Exploration of symptom clusters during hemodialysis and symptom network analysis of older maintenance hemodialysis patients: a cross-sectional study.

BACKGROUND: Symptom networks can provide empirical evidence for the development of personalized and precise symptom management strategies. However, few studies have established networks of symptoms experienced by older patients on maintenance hemodialysis. Our goal was to examine the type of symptom clusters of older maintenance hemodialysis patients during dialysis and construct a symptom network to understand the symptom characteristics of this population. METHODS: The modified Dialysis Symptom Index was used for a cross-sectional survey. Network analysis was used to analyze the symptom network and node characteristics, and factor analysis was used to examine symptom clusters. RESULTS: A total of 167 participants were included in this study. The participants included 111 men and 56 women with a mean age of 70.05 ± 7.40. The symptom burdens with the highest scores were dry skin, dry mouth, itching, and trouble staying asleep. Five symptom clusters were obtained from exploratory factor analysis, of which the clusters with the most severe symptom burdens were the gastrointestinal discomfort symptom cluster, sleep disorder symptom cluster, skin discomfort symptom cluster, and mood symptom cluster. Based on centrality markers, it could be seen that feeling nervous and trouble staying asleep had the highest strength, and feeling nervous and feeling irritable had the highest closeness and betweenness. CONCLUSIONS: Hemodialysis patients have a severe symptom burden and multiple symptom clusters. Dry skin, itching, and dry mouth are sentinel symptoms in the network model; feeling nervous and trouble staying asleep are core symptoms of patients; feeling nervous and feeling irritable are bridge symptoms in this symptom network model. Clinical staff can formulate precise and efficient symptom management protocols for patients by using the synergistic effects of symptoms in the symptom clusters based on sentinel symptoms, core symptoms, and bridge symptoms.

The Situation and Influencing Factors of Depression and Anxiety in Patients of Hemodialysis during the COVID-19 Pandemic in China.

OBJECTIVE: To investigate the incidence of depression and anxiety among maintenance hemodialysis (MHD) patients during the regular prevention and control stage of COVID-19 in China as well as the influencing factors. METHODS: A cross-sectional study including 180 patients under the treatment of hemodialysis was conducted in the hemodialysis center of the 8th Affiliated Hospital of Sun Yat-Sen University. The questionnaire regarding the subject's general information, Self-Rating Anxiety Scale (SAS) and Self-Rating Depression Scale (SDS) was completed by the patients, and the laboratory test results were recorded. RESULTS: The incidences of anxiety and depression were 35.6% and 38.9%, respectively, and the average scores of SAS and SDS were (48.03 ± 5.02) and (48.12 ± 5.42), respectively, in the subjects. The results showed that age, monthly income, vascular access of dialysis, feeling of pain and itching (within a week), worried about being infected by COVID-19, whether having health insurance and the levels of hemoglobin, parathyroid hormone, and phosphorus were the impact factors of both anxiety and depression in the MHD patients (p < 0.05 for all). CONCLUSION: The proportion of depression and anxiety is relatively high in the MHD patients during the regular prevention and control stage of COVID-19.

Newly Diagnosed Sjogren Syndrome in an Elderly Patient on Dialysis: A Case Report.

Sjogren syndrome (SS) is a chronic, systemic autoimmune disease that primarily affects the exocrine glands, causing dry eyes and mouth, but also presents with a variety of other symptoms. SS is a common connective tissue disease but it can be difficult to diagnose due to the non-specific symptoms and lack of diagnostic markers in many cases. This report describes a case of an elderly patient on dialysis with newly diagnosed SS. The patient had been unable to eat a normal diet for a year, but treatment had not been initiated, presumably because of his age and the fact that he was on dialysis. The patient's symptoms improved with the administration of glucocorticoids. This is a very educational case for physicians to recognize undiagnosed SS patients presenting with non-specific symptoms.

Analysis of the impact of various risk factors on short-term and long-term outcomes in patients with COVID-19 on maintenance hemodialysis.

Patients receiving renal replacement therapy (RRT) in the form of maintenance hemodialysis (MHD) belong to a group of particularly high risk of infection and the course of COVID-19. The new coronavirus infection also has a great impact on long-term outcomes. Material(s) and Method(s): A retrospective observational study included 510 patients on MHD, hospitalized from April 1, 2020 to April 01, 2021. The outcome of hospitalization was chosen as the primary endpoint of the study: discharge or 28-day mortality. Death within 6 months after discharge and the development of complications related to COVID-19 during this period were considered as secondary endpoints. Data collection was carried out by analyzing electronic and archival medical records. Quantitative variables: age, duration of hospitalization, days in the intensive care unit, laboratory blood parameters: the level of D-Dimer, Glucose, Interleukin-6, Procalcitonin, Lymphocytes and Platelets, CRP, CPK, CPK-MB, LDH, Fibrinogen, Ferritin. Qualitative indicators: gender, ventilator, ARDS, the presence of diabetes, the presence of obesity, the presence of complications: cardiovascular, gastrointestinal, septic, macrothrombotic, stage of pneumonia. To identify statistically significant predictors of the risk of an event, the odds ratio (OR) method was used. Result(s): average age 57.8+/-14 years, men - 59.5%, average bed day 17.6+/-10.6 days. In concomitant diseases, diabetes mellitus was indicated in 24% of patients, obesity was registered in 4.3% of patients. Hospital mortality (28-day) in the total cohort of follow-up was 16.05%, in total with out-of-hospital mortality of 22%. Mortality in intensive care reached 62.7%, on ventilator more than 86%, with ARDS 94.3%. No statistical significance was revealed by gender and the presence of diabetes mellitus (DM) in concomitant diseases. When comparing short-term outcomes, the age groups over 65 differed statistically. The following laboratory blood parameters showed a significant difference (P<0.001): D-Dimer, Glucose, IL-6 lymphocytes, Leukocytes, Neutrophils, Platelets, LDH, Ferritin. The following odds ratios (OR) were obtained: ARDS (OR 143.78;95% CI 33.4-616.2;p=0.0001), on ventilator (OR 57.96;95% CI 23.1-144.5;p=0.0001), the presence of septic complications (OR 26.4;95% CI 13.8-50;p=0.0001), the course of the disease is defined as severe (OR 25;95% CI 12.9-48.2;p=0.0001), the course of the disease is defined as complicated (OR 11.6;95% CI 6.8-19.7;p=0.0001), the presence of gastrointestinal complications (OR 6.5;95% CI 2.28-18.4;p=0.0007), the presence of obesity (OR 2.57;95% CI 1.0-6.5;p=0.039). Mortality of patients receiving two main treatment regimens T-1 and T-2 did not differ (15.8% vs 15.7%). Significant differences (p=0.0001) appeared when compared with the T-0 and T-4 schemes, in which mortality was recorded at 8.8% and 85.7%, respectively. When comparing long-term outcomes, the analysis did not reveal statistical significance by gender. The statistical difference was noted by age. Among laboratory indicators, the PCT level was higher in survivors with complications. A significant difference among all survivors and deceased (P<0.001) was shown by: D-Dimer, blood glucose level, IL-6, CRP. The highest OR was calculated for the following indicators: the presence of gastrointestinal complications (OR 7.7;95% CI 1.0-57.7;p=0.03), the initial LDH blood level of 622 units /l (OR 4.7;95% CI 1.63-13.63;p=0.0086), the course of the disease defined as complicated (OR 4.05;95% 1.97-8.33;p=0.003), the course of the disease is defined as severe (OR 2.4;95% CI 1.17-5.0;p=0.03). Conclusion(s): gastrointestinal complications had the greatest impact on unfavorable short-term and long-term outcomes in patients on programmed hemodialysis. In relation to such laboratory markers as Ferritin, CRH, LDH, threshold values of a significant increase in the chances characteristic of dialysis patients were obtained. During the first year of the epidemic, therapy remained largely supportive and aimed at prevent ng complications, the main isolated treatment regimens showed no significant differences in the impact on the outcomes of COVID-19.Copyright © 2022 Interregional public organization Association of infectious disease specialists of Saint-Petersburg and Leningrad region (IPO AIDSSPbR). All rights reserved.

Analysis of the impact of various risk factors on short-term and long-term outcomes in patients with COVID-19 on maintenance hemodialysis

Patients receiving renal replacement therapy (RRT) in the form of maintenance hemodialysis (MHD) belong to a group of particularly high risk of infection and the course of COVID-19. The new coronavirus infection also has a great impact on long-term outcomes. Materials and methods: A retrospective observational study included 510 patients on MHD, hospitalized from April 1, 2020 to April 01, 2021. The outcome of hospitalization was chosen as the primary endpoint of the study: discharge or 28-day mortality. Death within 6 months after discharge and the development of complications related to COVID-19 during this period were considered as secondary endpoints. Data collection was carried out by analyzing electronic and archival medical records. Quantitative variables: age, duration of hospitalization, days in the intensive care unit, laboratory blood parameters: the level of D-Dimer, Glucose, Interleukin-6, Procalcitonin, Lymphocytes and Platelets, CRP, CPK, CPK-MB, LDH, Fibrinogen, Ferritin. Qualitative indicators: gender, ventilator, ARDS, the presence of diabetes, the presence of obesity, the presence of complications: cardiovascular, gastrointestinal, septic, macrothrombotic, stage of pneumonia. To identify statistically significant predictors of the risk of an event, the odds ratio (OR) method was used. Results: average age 57.8±14 years, men – 59.5%, average bed day 17.6±10.6 days. In concomitant diseases, diabetes mellitus was indicated in 24% of patients, obesity was registered in 4.3% of patients. Hospital mortality (28-day) in the total cohort of follow-up was 16.05%, in total with out-of-hospital mortality of 22%. Mortality in intensive care reached 62.7%, on ventilator more than 86%, with ARDS 94.3%. No statistical significance was revealed by gender and the presence of diabetes mellitus (DM) in concomitant diseases. When comparing short-term outcomes, the age groups over 65 differed statistically. The following laboratory blood parameters showed a significant difference (P<0.001): D-Dimer, Glucose, IL-6 lymphocytes, Leukocytes, Neutrophils, Platelets, LDH, Ferritin. The following odds ratios (OR) were obtained: ARDS (OR 143.78;95% CI 33.4-616.2;p=0.0001), on ventilator (OR 57.96;95% CI 23.1-144.5;p=0.0001), the presence of septic complications (OR 26.4;95% CI 13.8-50;p=0.0001), the course of the disease is defined as severe (OR 25;95% CI 12.9-48.2;p=0.0001), the course of the disease is defined as complicated (OR 11.6;95% CI 6.8-19.7;p=0.0001), the presence of gastrointestinal complications (OR 6.5;95% CI 2.28-18.4;p=0.0007), the presence of obesity (OR 2.57;95% CI 1.0-6.5;p=0.039). Mortality of patients receiving two main treatment regimens T-1 and T-2 did not differ (15.8% vs 15.7%). Significant differences (p=0.0001) appeared when compared with the T-0 and T-4 schemes, in which mortality was recorded at 8.8% and 85.7%, respectively. When comparing long-term outcomes, the analysis did not reveal statistical significance by gender. The statistical difference was noted by age. Among laboratory indicators, the PCT level was higher in survivors with complications. A significant difference among all survivors and deceased (P<0.001) was shown by: D-Dimer, blood glucose level, IL-6, CRP. The highest OR was calculated for the following indicators: the presence of gastrointestinal complications (OR 7.7;95% CI 1.0-57.7;p=0.03), the initial LDH blood level of 622 units /l (OR 4.7;95% CI 1.63-13.63;p=0.0086), the course of the disease defined as complicated (OR 4.05;95% 1.97-8.33;p=0.003), the course of the disease is defined as severe (OR 2.4;95% CI 1.17-5.0;p=0.03). Conclusions: gastrointestinal complications had the greatest impact on unfavorable short-term and long-term outcomes in patients on programmed hemodialysis. In relation to such laboratory markers as Ferritin, CRH, LDH, threshold values of a significant increase in the chances characteristic of dialysis patients were obtained. During the first year of the epidemic, therapy remained largely supportive and aimed at preventing comp ications, the main isolated treatment regimens showed no significant differences in the impact on the outcomes of COVID-19. © 2022 Interregional public organization Association of infectious disease specialists of Saint-Petersburg and Leningrad region (IPO AIDSSPbR). All rights reserved.

Analysis of the impact of various risk factors on short-term and long-term outcomes in patients with COVID-19 on maintenance hemodialysis.

Patients receiving renal replacement therapy (RRT) in the form of maintenance hemodialysis (MHD) belong to a group of particularly high risk of infection and the course of COVID-19. The new coronavirus infection also has a great impact on long-term outcomes. Material(s) and Method(s): A retrospective observational study included 510 patients on MHD, hospitalized from April 1, 2020 to April 01, 2021. The outcome of hospitalization was chosen as the primary endpoint of the study: discharge or 28-day mortality. Death within 6 months after discharge and the development of complications related to COVID-19 during this period were considered as secondary endpoints. Data collection was carried out by analyzing electronic and archival medical records. Quantitative variables: age, duration of hospitalization, days in the intensive care unit, laboratory blood parameters: the level of D-Dimer, Glucose, Interleukin-6, Procalcitonin, Lymphocytes and Platelets, CRP, CPK, CPK-MB, LDH, Fibrinogen, Ferritin. Qualitative indicators: gender, ventilator, ARDS, the presence of diabetes, the presence of obesity, the presence of complications: cardiovascular, gastrointestinal, septic, macrothrombotic, stage of pneumonia. To identify statistically significant predictors of the risk of an event, the odds ratio (OR) method was used. Result(s): average age 57.8+/-14 years, men - 59.5%, average bed day 17.6+/-10.6 days. In concomitant diseases, diabetes mellitus was indicated in 24% of patients, obesity was registered in 4.3% of patients. Hospital mortality (28-day) in the total cohort of follow-up was 16.05%, in total with out-of-hospital mortality of 22%. Mortality in intensive care reached 62.7%, on ventilator more than 86%, with ARDS 94.3%. No statistical significance was revealed by gender and the presence of diabetes mellitus (DM) in concomitant diseases. When comparing short-term outcomes, the age groups over 65 differed statistically. The following laboratory blood parameters showed a significant difference (P<0.001): D-Dimer, Glucose, IL-6 lymphocytes, Leukocytes, Neutrophils, Platelets, LDH, Ferritin. The following odds ratios (OR) were obtained: ARDS (OR 143.78;95% CI 33.4-616.2;p=0.0001), on ventilator (OR 57.96;95% CI 23.1-144.5;p=0.0001), the presence of septic complications (OR 26.4;95% CI 13.8-50;p=0.0001), the course of the disease is defined as severe (OR 25;95% CI 12.9-48.2;p=0.0001), the course of the disease is defined as complicated (OR 11.6;95% CI 6.8-19.7;p=0.0001), the presence of gastrointestinal complications (OR 6.5;95% CI 2.28-18.4;p=0.0007), the presence of obesity (OR 2.57;95% CI 1.0-6.5;p=0.039). Mortality of patients receiving two main treatment regimens T-1 and T-2 did not differ (15.8% vs 15.7%). Significant differences (p=0.0001) appeared when compared with the T-0 and T-4 schemes, in which mortality was recorded at 8.8% and 85.7%, respectively. When comparing long-term outcomes, the analysis did not reveal statistical significance by gender. The statistical difference was noted by age. Among laboratory indicators, the PCT level was higher in survivors with complications. A significant difference among all survivors and deceased (P<0.001) was shown by: D-Dimer, blood glucose level, IL-6, CRP. The highest OR was calculated for the following indicators: the presence of gastrointestinal complications (OR 7.7;95% CI 1.0-57.7;p=0.03), the initial LDH blood level of 622 units /l (OR 4.7;95% CI 1.63-13.63;p=0.0086), the course of the disease defined as complicated (OR 4.05;95% 1.97-8.33;p=0.003), the course of the disease is defined as severe (OR 2.4;95% CI 1.17-5.0;p=0.03). Conclusion(s): gastrointestinal complications had the greatest impact on unfavorable short-term and long-term outcomes in patients on programmed hemodialysis. In relation to such laboratory markers as Ferritin, CRH, LDH, threshold values of a significant increase in the chances characteristic of dialysis patients were obtained. During the first year of the epidemic, therapy remained largely supportive and aimed at prevent ng complications, the main isolated treatment regimens showed no significant differences in the impact on the outcomes of COVID-19.Copyright © 2022 Interregional public organization Association of infectious disease specialists of Saint-Petersburg and Leningrad region (IPO AIDSSPbR). All rights reserved.

Mortality rate of COVID-19 infection in end stage kidney disease patients on maintenance hemodialysis: A systematic review and meta-analysis.

BACKGROUND: Coronavirus disease 2019 (COVID-19) has been the most talked-about disease of the past few years. Patients with significant comorbidities have been at particular risk of adverse outcomes. This study looked at the outcomes and risk factors for adverse outcomes among patients on chronic hemodialysis for end-stage renal disease, a group of patients known to be particularly susceptible to infectious complications. AIM: To assess outcomes and risk factors for adverse outcomes of COVID-19 infection among patients on chronic hemodialysis. METHODS: We searched PubMed/MEDLINE, EMBASE, Reference Citation Analysis (https://www.referencecitationanalysis.com/) and Web of Science databases for relevant terms and imported the results into the Covidence platform. From there, studies were assessed in two stages for relevance and quality, and data from studies that satisfied all the requirements were extracted into a spreadsheet. The data was then analyzed descriptively and statistically. RESULTS: Of the 920 studies identified through the initial database search, only 17 were included in the final analysis. The studies included in the analysis were mostly carried out during the first wave. We found that COVID-19 incidence among patients on hemodialysis was significant, over 10% in some studies. Those who developed COVID-19 infection were most likely going to be hospitalized, and over 1 in 5 died from the infection. Intensive care unit admission rate was lower than the infection lethality rate. Biochemical abnormalities and dyspnea were generally reported to be associated with adverse outcomes. CONCLUSION: This systematic review confirms that patients on chronic hemodialysis are very high-risk individuals for COVID-19 infections, and a significant proportion was infected during the first wave. Their prognosis is overall much worse than in the general population, and every effort needs to be made to decrease their exposure.

Mortality and risk factors for COVID-19 in hemodialysis patients: A systematic review and meta-analysis.

Introduction: The present study systematically reviewed the clinical features and risk factors in patients undergoing maintenance hemodialysis (MHD) who also acquired coronavirus disease 2019 (COVID-19). More specifically, clinical manifestations, prognosis, and risk factors for death among this population were explored. Method: A literature search using the PubMed, Web of Science, and Embase databases, for articles involving patients with laboratory-confirmed COVID-19 and undergoing MHD published between January 1, 2020, and March 13, 2022, was performed. Random-effects meta-analyses were performed to calculate the weighted mean prevalence and corresponding 95% confidence interval (CI) or weighted means and 95% CI. Heterogeneity among studies was assessed using I2 statistics. Results: Twenty-two studies including 13,191 patients with COVID-19 undergoing MHD were selected. The most common symptoms included fever (53% [95% CI 41%-65%]) and cough (54% [95% CI 48%-60%]); however, 17% (95% CI 11%-22%) of the cases were asymptomatic. In subgroup analysis, the proportion of male patients (65% [95% CI 58%-71%]), and patients with coronary artery disease (30% [95% CI 17%-44%) and chronic obstructive pulmonary disease (9% [95% CI 4%-15%]) was greater in the non-survivor group compared with the survivor group. Furthermore, patients undergoing MHD, who were also positive for COVID-19, exhibited a high mortality rate (24% [95% CI 19%-28%]). Conclusions: MHD patients with COVID-19 may initially present as asymptomatic or with mild symptoms; nevertheless, in this study, these patients exhibited a higher risk for death compared with COVID-19 patients not undergoing MHD. Moreover, male sex and underlying cardiovascular and respiratory diseases increased the mortality risk.

Humoral response and breakthrough infections with SARS-CoV-2 B.1.617.2 variant in vaccinated maintenance hemodialysis patients.

INTRODUCTION: Breakthrough COVID-19 may occur in vaccinated people, and may result from declining vaccine effectiveness or highly transmittable SARS-CoV-2 variants, such as the B.167.2 (delta) variant. We investigated risk factors and outcomes for infection with the delta variant among vaccinated hemodialysis patients. METHODS: Patients on maintenance hemodialysis who received two doses of the BNT162b2 (Pfizer-BioNTech) vaccine were analysed according to having developed COVID-19 (study group) or not (control group), in a retrospective, observational, comparative study. We compared risk-factors for developing breakthrough COVID-19 and assessed clinical outcomes, including 30-day mortality rates. RESULTS: Twenty-four cases of breakthrough SARS-CoV-2 infection were compared to 91 controls without infection. Breakthrough infection was associated with chronic immunosuppressive treatment, hematological malignancies, and low antibody levels against SARS-CoV-2 spike protein. All COVID-19 cases occurred at least 5 months after vaccination, and most were caused by the B.1.617.2 variant (at least 23/24 cases). COVID-19 was categorized as severe or critical disease in 11/24 patients (46%), and 54% required hospitalization and COVID-19-directed treatment. The source of infection was nosocomial in 6/24 cases (25%), and healthcare-related in 3/24 (12.5%). Mortality rate was 21%. Overall mortality was significantly higher in patients who developed COVID-19 than in controls (odds ratio for all-cause mortality 7.6, 95% CI 1.4-41, p = 0.002). CONCLUSIONS: Breakthrough COVID-19 with the B.1.617.2 variant can occur in vaccinated hemodialysis patients and is associated with immunosuppression and weaker humoral response to vaccination. Infections may be nosocomial and result in significant morbidity and mortality.

Comparison of COVID-19 Inactivated Virus Vaccine Immunogenicity Between Healthy Individuals and Patients on Hemodialysis: A Single-Center Study From Pakistan.

Introduction This study compares the immune response after coronavirus disease 2019 (COVID-19) inactivated virus vaccine between healthy individuals (HI) and patients on hemodialysis (HD). Methods In this cross-sectional, comparative study, the presence or absence of immunoglobulin G (IgG) anti-S antibody and IgG anti-S antibody titer was compared between HI, and patients on HD after two doses of COVID-19 vaccine. Results A total of 81 participants, 50 (61.7%) HD patients and 31 (38.3%) HI, were studied. The mean age was 52.9±12 in HD patients and 42±12.4 in HI. Vaccination responder rates were 80.6% in HI and 72% in HD patients after the first dose (p=0.38) and 93.5% in HI and 94% in HD at the third week of the second dose of the vaccine (p=0.93). The mean IgG antibody titer was 156.3±113.8 in HI and 143.4 ± 117.8 in HD patients (p=0.538) after the first dose and 186.7 ± 97.9 in HI and 180.6 ± 105.8 in HD patients (p=0.552) at three weeks of the second dose. No statistically significant difference was found in antibody titer with respect to gender, age, vaccine (BBIBP-CorV or Conovac), and hypertension. Diabetic HD patients had a lower antibody titer than non-diabetic HD patients (p=0.03) while participants who had a history of COVID-19 infection had a higher IgG titer (p = 0.001). The levels of IgG titer in the same patient increased, corresponding to the doses of vaccine (p <0.001). No HD patient developed COVID-19 infection till the third week of vaccination. Conclusion This study demonstrates a similar humoral response after COVID-19 inactivated virus vaccination in HD patients and HI. The response was lower among diabetic patients on HD and better in those with previous COVID-19 infection.

Effectiveness of COVID-19 Vaccines in Patients Under Maintenance Hemodialysis.

BACKGROUND: Several published data on the dialysis population showed that antibody levels decreased after COVID-19 vaccinations in comparison to the overall population. We aimed to illustrate the persistence of humoral response after receiving second dose of the Pfizer or AstraZeneca vaccines in patients under maintenance hemodialysis (HD). METHODS: A total of 119 adult patients on HD who were recruited from a single hemodialysis center in Madinah, Saudi Arabia. An enzyme-linked immunosorbent assay (ELISA) was utilized to measure the specific antibody response to the spike protein in the serum samples. RESULTS: Mean age of patients was 48.5 ± 13.5 years, while mean time since starting the renal dialysis was 5.09 ± 5.29 years. Blood samples were collected after 89.2 ± 25.7 days of receiving the second dose of the vaccines. A very high positive correlation between anti-S IgG antibodies in pre- and post-dialysis was found (rs= 0.93, p < 0.001). Additionally, there was a high positive correlation between anti-S IgG antibody collected at baseline and follow-up blood samples (30 days apart) (rs= 0.82, p < 0.001). Moreover, patients who received Pfizer had significantly higher mean change in anti-S IgG antibodies compared to patients who received AstraZeneca (0.41 ± 0.94 vs 0.03 ± 0.30, respectively, p = 0.026). CONCLUSION: The majority of the patients included in this study were able to yield an immune response to the vaccine after receiving the two doses. Persistence of IgG antibodies in the majority of the patients on HD in response to COVID-19 vaccines is encouraging in terms of continuing to vaccinate this category of patients in addition to monitoring them.

COVID-19: mortality rates of patients on hemodialysis and peritoneal dialysis.

OBJECTIVE: Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection might have a higher mortality rate in patients with end-stage renal disease due to immunosuppression. This study investigates the mortality rates of SARS-CoV-2 infection and the factors affecting mortality among patients who were on maintenance hemodialysis and continuous ambulatory peritoneal dialysis. MATERIALS AND METHODS: A total of 200 patients, including 157 maintenance hemodialysis and 43 continuous ambulatory peritoneal dialysis patients followed in our hospital, were included in the study. The patients' sociodemographic characteristics, comorbidities, history of SARS-CoV-2 infection in the previous year, death event, source of death (SARS-CoV-2 or not), presence of hospitalization due to SARS-CoV-2 infection, need for intensive care unit, need for ventilatory support in intensive care unit were obtained from the clinical file records. RESULTS: 85 of the 200 patients had a history of SARS-Cov-2 infection during the last 12 months. Forty-two (49.5%) patients with SARS-CoV-2 infection were hospitalized. Patients with SARS-CoV-2 had longer dialysis time, increased mortality, and significantly higher comorbidities such as coronary artery disease, congestive heart failure. Besides, heart failure and hypertension were the determining factors in the risk factor analysis for SARS-CoV-2 infection. In dialysis patients, the mortality rate in the last year, due to all causes, including SARS-CoV-2 infection, was 23% while the mortality rate due to "SARS-CoV-2 infection only" was 13%) (p > 0.05). Our findings are important in guiding clinical decision-making and informing the public and health authorities about the risk of death associated with COVID-19 in this patient group.

Video Visits Using the Zoom for Healthcare Platform for People Receiving Maintenance Hemodialysis and Nephrologists: A Feasibility Study in Alberta, Canada.

BACKGROUND: Demand for virtual visits (an online synchronous medical appointment between a health care provider and patient) is increasing due to the COVID-19 pandemic. There may be additional benefits of virtual visits as they appear to be convenient and potentially cost-saving to patients. People receiving maintenance hemodialysis require ongoing care from their nephrologist and may benefit from virtual visits; however, the optimal model for a virtual kidney clinic is unknown. OBJECTIVE: To codesign and assess the feasibility of a virtual (video) kidney clinic model with clinic staff, nephrologists, and patients receiving maintenance hemodialysis, to be used for routine follow-up visits. DESIGN: Mixed-methods study. SETTING: Two main kidney clinics in central Calgary, Alberta. PARTICIPANTS: Adults with kidney failure receiving maintenance hemodialysis, nephrologists, and clinic staff. METHODS: First, we individually interviewed clinic staff and nephrologists to assess the needs of the clinic to deliver virtual visits. Then, we used participant observation with patients and nephrologists to codesign the virtual visit model. Finally, we used structured surveys to evaluate the patients' and nephrologists' experiences when using the virtual model. RESULTS: Eight video visits (8 patients; 6 nephrologists) were scheduled between October 2019 and February 2020 and 7 were successfully completed. Among completed visits, all participants reported high satisfaction with the service, were willing to use it again, and would recommend it to others. Three main themes were identified with respect to factors influencing visit success: IT infrastructure, administration, and process. LIMITATIONS: Patients received training on how to use the videoconference platform by the PhD student, whom also set up the technical components of the visit for the nephrologist. This may have overestimated the feasibility of virtual visits if this level of support is not available in future. Second, interviews were not audio-recorded and thematic analysis relied on field notes. CONCLUSIONS: Video visits for routine follow-up care between people receiving hemodialysis and nephrologists were acceptable to patients and nephrologists. Video visits appear to be feasible if clinics are equipped with appropriate equipment and IT infrastructure, physicians are remunerated appropriately, and patients receive training on how to use software as needed.

CONTEXTE: La demande pour des consultations virtuelles (rendez-vous médical par vidéoconférence entre un patient et son fournisseur de soins) augmente en raison de la pandémie de COVID-19. Ces consultations pourraient présenter des avantages pour les patients, notamment en raison de leur côté pratique et des économies qui en résultent. Les patients recevant des traitements d'entretien par hémodialyse nécessitent un suivi continu de la part de leur néphrologue et pourraient tirer profit de ce type de consultation. On ignore toutefois quel modèle de clinique de néphrologie virtuelle serait optimal. OBJECTIF: Concevoir, conjointement avec le personnel des cliniques, les néphrologues et les patients recevant des traitements d'hémodialyse, un modèle de consultation virtuelle (vidéoconférence) pour les visites de suivi de routine, et en évaluer la faisabilité. TYPE D'ÉTUDE: Étude à méthodes mixtes. CADRE: Les deux principales cliniques de néphrologie du centre de Calgary (Alberta). SUJETS: Des adultes atteints d'insuffisance rénale et recevant des traitements d'hémodialyse, des néphrologues et le personnel des cliniques concernées. MÉTHODOLOGIE: En premier lieu, le personnel de la clinique et les néphrologues ont été interrogés individuellement afin d'évaluer les besoins de la clinique en matière de consultations virtuelles. Les observations des participants ont ensuite servi à la conception conjointe du modèle de consultation virtuelle avec les patients et les néphrologues. Enfin, des questionnaires structurés ont servi à évaluer les expériences des patients et des néphrologues lors de l'utilisation du modèle. RÉSULTATS: Huit consultations virtuelles (8 patients; 6 néphrologues) étaient prévues entre octobre 2019 et février 2020, dont sept ont été réalisées avec succès. Tous les participants aux séances complétées se sont dits très satisfaits du modèle et ont mentionné qu'ils seraient prêts à l'utiliser à nouveau et qu'ils le recommanderaient à d'autres. Trois principaux thèmes ont été dégagés quant aux facteurs influençant le succès de la consultation ont été dégagés: l'infrastructure, l'administration et le processus informatiques. LIMITES: Les patients avaient reçu une formation sur l'utilisation de la plateforme de vidéoconférence de la part d'un étudiant au doctorat, lequel a également mis en place les composantes techniques de la consultation pour le néphrologue. La faisabilité des consultations virtuelles pourrait être surestimée si ce niveau de soutien n'est pas offert à l'avenir. Deuxièmement, les entrevues n'étaient pas enregistrées sur des fichiers audio, l'analyse thématique reposait donc sur des notes d'observation. CONCLUSION: Les patients hémodialysés et les néphrologues ont jugé acceptable ce modèle de consultations virtuelles pour les suivis de routine. Les consultations par vidéoconférence sont réalisables si les cliniques sont dotées de l'équipement et de l'infrastructure informatiques appropriés, si les médecins sont rémunérés adéquatement et si les patients reçoivent une formation sur l'utilisation du logiciel, au besoin.

Clinical course of patients on maintenance hemodialysis and COVID-19: a retrospective longitudinal study.

Coronavirus Disease 2019 (COVID-19) emerges as a global pandemic and there is a lack of evidence about the clinical course and outcome of patients on maintenance hemodialysis (MHD). Here we conducted a retrospective longitudinal study aimed to analyze the clinical features and outcome of MHD patients hospitalized with COVID-19. Of 3126 inpatients with COVID-19 at 3 Branches of Wuhan Tongji Hospital from Jan 18th to Mar 9th, 2020, 19 patients were undergoing maintenance hemodialysis. Among the 19 MHD patients with COVID-19, 6 patients (31.6%) died, and 13 patients (68.4%) were able to be discharged. Baseline characteristics, clinical courses, laboratory findings, and dynamic trajectories of major laboratory markers were compared between survivors and nonsurvivors. According to our findings, MHD patients with COVID-19 who experienced non-surviving outcome had more elevated CRP, IL6 and procalcitonin as well as fibrinogen levels at various points compared to survivors. Thus the dysregulation of immune response as well as coagulation abnormalities might be highly involved in the pathological process of COVID-19, contributing to the poor prognosis in MHD patients.

The effect of refined nursing intervention on patients undergoing maintenance hemodialysis in the hemodialysis center during the COVID-19 epidemic.

BACKGROUND: The outbreak of novel coronavirus pneumonia has exerted considerable psychological pressure on patients undergoing hemodialysis, resulting in unhealthy psychological emotions. Therefore, it is of great significance to carry out strict management and refined nursing intervention for patients undergoing maintenance hemodialysis during the prevention and control of novel coronavirus. This study aims to analyze and discuss the effect of clinical refined nursing intervention on patients undergoing maintenance hemodialysis during the coronavirus disease 2019 (COVID-19) epidemic. METHODS: This was a prospective cohort study. In this study, we used the Symptom Checklist-90 (SCL-90) or the Chinese adult SCL-90 norm to conduct nursing interventions for patients undergoing maintenance hemodialysis to investigate the effect of clinical refined nursing intervention on patients undergoing maintenance hemodialysis during the COVID-19 epidemic. RESULTS: The scores for all the factors of SCL-90 of patients undergoing maintenance hemodialysis were higher than those of the Chinese SCL-90, and patients with a single factor score ≥ 2 had a higher level of depression and anxiety, with extremely significant difference (p < 0.01). The depression and anxiety of the patients were reduced after the intervention, and there was a statistical difference. Among the 172 patients, the results of both nucleic acid tests were negative. CONCLUSION: During the COVID-19 epidemic, providing patients undergoing maintenance hemodialysis with refined nursing intervention can regulate negative emotions, reduce related complications, improve their quality of life, and improve the nurse-patient relationship.

Prevalence of SARS-CoV-2 Specific Antibodies in Asymptomatic Hemodialysis Patients.

BACKGROUND: Since the outbreak of the new coronavirus pandemic, the importance of carrying out an infection check to prevent acquisition and transmission among end-stage renal disease patients (ESRD) under maintenance hemodialysis (MHD) has become a major concern in the health care system. Applying serology screening tests could enlighten the view with regards to disease prevalence in dialysis wards. METHODS: We subjected 328 end-stage renal disease patients to maintenance hemodialysis. After dividing patients into suspicious and non-suspicious groups for COVID-19 infection based on their clinical manifestation, they were investigated for SARS-CoV-2 specific IgM and IgG screening against nucleoprotein (NP), spike protein (SP), and receptor-binding domain (RBD), utilizing our recently developed ELISA tests. RESULTS: We found that approximately 10.1% of asymptomatically tested cases were antibody positive. Although IgG positivity showed a higher prevalence than IgM across all three virus antigen subunits, there were no significant differences among mentioned immunoglobulins of the studied groups. The most prevalent antibody was from the IgG subtype against virus nucleoprotein (NP), while the lowest prevalence was attributed to receptor-binding domain (RBD) IgM. CONCLUSION: High seropositive rate among asymptomatic end-stage renal disease patients, as a sample of high-risk population, reflected the importance of considering SARS-CoV-2 specific antibody screening for disease containment.

Analysis of the prevalence and influencing factors of depression and anxiety among maintenance dialysis patients during the COVID-19 pandemic.

OBJECTIVE: Currently, the COVID-19 outbreak and its spread around the globe is significantly affecting mental health and health in general, worldwide. During the COVID-19 pandemic, the general medical complications have received the most attention, whereas only a few studies address the potential direct impact of SARS-CoV-2 on mental health. METHODS: A total of 321 maintenance hemodialysis (MHD) patients were selected using random sampling from the hemodialysis center of the second people's Hospital of Yibin. They completed Zung's self-rating anxiety scale (SAS) for anxiety, Zung's self-rating depression scale (SDS) for depression, and the activity of daily living scale (ADL) for the ability of living. Demographic data and laboratory tests were used to analyze the risk factors. RESULTS: The proportions of the prevalence of anxiety and depression symptoms were between 34.89% and 30.02%, respectively, among the MHD patients. The SAS and SDS scores of the 321 patients were 45.42(± 10.99) and 45.23(± 11.59), respectively. The results show that monthly income, medical insurance, vascular access, the duration of dialysis, complication, hemoglobin (HGB), immunoreactive parathyroid hormone (iPTH) and blood phosphorus (P) are factors that influence anxiety among patients (p < 0.05 for all). Vascular access, monthly income, medical insurance, complication, CRP, Alb, are factors that influence depression among patients (p < 0.05 for all). CONCLUSION: Our results suggest that during the pandemic period, the prevalence of anxiety and depression symptoms among MHD patients increased. Some demographic and clinical variables were associated with it. We should, therefore, pay more attention to the patients' psychology, start targeted intervention to alleviate the patients' anxiety and further improve their quality of life.

Hospital-based group medical quarantine increased the pre- dialysis blood pressure in maintenance hemodialysis patients.

BACKGROUND: Quarantine is an effective measure to contain the spread of infectious disease, however, it can be a great challenge for patients undergoing maintenance hemodialysis (MHD). The purpose of this study was to evaluate the impact of hospital-based group medical quarantine (H-GMQ) on blood pressure (BP) in MHD patients, and the effect of age on change in BP. METHODS: MHD patients in our dialysis center who were under H-GMQ due to exposure to coronavirus disease 2019 (COVID-19) were enrolled. Their demographic data, clinical characteristics, and laboratory data were collected from 3 months before H-GMQ to the end of H-GMQ. They were divided into two groups by median age (61 y). BP and related data before and during H-GMQ between groups were analyzed. The association between age and change in BP was estimated using multivariable linear regression analysis. RESULTS: One hundred and thirty MHD patients were enrolled. The pre-dialysis systolic BP (SBP) and heart rate (HR) during H-GMQ were significantly higher than before, the serum sodium decreased significantly at the end of H-GMQ. After adjusting for covariates by multivariable regression, age had a negative correlation with BP elevation (R2 =0.218, P=0.246). Subgroup analysis showed that both pre-dialysis SBP and diastolic BP (DBP) increased significantly during H-GMQ in patients less than 61 years old, instead, neither SBP nor DBP changed in the elderly. CONCLUSIONS: H-GMQ increased the pre-dialysis BP in MHD patients, especially in younger patients. More attention should be paid to these patients' BP if another quarantine is needed.

End-Stage Renal Disease Patients on Chronic Hemodialysis Fare Better With COVID-19: A Retrospective Cohort Study From the New York Metropolitan Region.

Introduction Several comorbid conditions have been identified as risk factors in patients with coronavirus disease 2019 (COVID-19). However, there is a dearth of data describing the impact of COVID-19 infection in patients with end-stage renal disease on hemodialysis (ESRD-HD). Methods This retrospective case series analyzed 362 adult patients consecutively hospitalized with confirmed COVID-19 illness between March 12, 2020, and May 13, 2020, at a teaching hospital in the New York City metropolitan area. The primary outcome was severe pneumonia as defined by the World Health Organization. Secondary outcomes were the (1) the Combined Outcome of Acute respiratory distress syndrome or in-hospital Death (COAD), and (2) need for high levels of oxygen supplementation (HiO2). Results Patients with ESRD-HD had lower odds for poor outcomes including severe pneumonia [odds ratio (OR) 0.4, confidence interval (CI) 0.2-0.9, p=.04], HiO2 [OR 0.3, CI (0.1-0.8), p=.02] and COAD [OR 0.4, CI (0.2-1.05), p=.06], when compared to patients without ESRD. In contrast, higher odds for severe pneumonia, COAD and HiO2 were seen with advancing age. African Americans were over-represented in the hospitalized patient cohort, when compared to their representation in the community (35% vs 18%). Hispanics had higher odds for severe illness and HiO2 when compared to Caucasians. Conclusions Patients with ESRD-HD had a milder course of illness with a lower likelihood of severe pneumonia and a lesser need for aggressive oxygen supplementation when compared to patients not on chronic dialysis. The lower odds of severe illness in ESRD-HD patients might have a pathophysiologic basis and need to be further explored.

Aggressive Quarantine Measures Reduce the High Morbidity of COVID-19 in Patients on Maintenance Hemodialysis and Medical Staff of Hemodialysis Facilities in Wuhan, China.

INTRODUCTION: Maintenance hemodialysis (MHD) patients are highly vulnerable to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Medical staff of dialysis facilities without sufficient biosecurity protection are susceptible once exposed to asymptomatic coronavirus disease 2019 (COVID-19) patients. This study evaluated the epidemiological characteristics of COVID-19 in all MHD patients and medical staff of dialysis facilities in Wuhan, China. METHODS: We collected COVID-19 morbidity and mortality data from MHD patients and medical staff from 52 hemodialysis centers in Wuhan. Then, we analyzed the symptoms and signs of patients and staff in our hospital (Tongji Hospital in Wuhan), and chest CT, SARS-CoV-2 nucleic acid detection and laboratory tests were performed. After aggressive quarantine of the COVID-19 patients, we followed up on the prognosis of them. RESULTS: We analyzed the hemodialysis data from Wuhan and found that 10% of MHD patients and 6.0% of medical staff were suspected of COVID-19. Further detection of SARS-CoV-2 nucleic acid showed that 1.7% of MHD patients and 2.9% of medical staff were confirmed as having COVID-19. In our facility, 18.9% (46/244) of patients and 9.5% (6/63) of medical staff were suspected of COVID-19. Among them, 2.9% (7/244) of MHD patients and 4.8% (3/63) of medical staff tested positive for SARS-CoV-2 were confirmed as having COVID-19. Interestingly, 87.0% of MHD patients suspected of COVID-19 did not have obvious symptoms, but the CT screening showed features of viral pneumonia. There were no significant differences in symptoms, CT findings, comorbidity and laboratory findings of SARS-CoV-2 nucleic-acid-positive and -negative patients. We followed up these patients and found that 57 patients with COVID-19 died (COVID-19 mortality 8.9%). Two patients from our dialysis center with COVID-19 (mortality 4.3%) died. No new infections occurred in our dialysis center after aggressive quarantine was initiated. CONCLUSIONS: The SARS-CoV-2 infection rates in MHD patients and medical staff in dialysis facilities were both high in Wuhan. Frequent chest CT and SARS-CoV-2 nucleic acid detection were needed to screen COVID-19 patients in dialysis facilities. Through the lessons of this experience on the aggressive diagnosis and quarantine measures of COVID-19 patients, we hope medical staff avoid more infections in serious epidemic areas.