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Aim: Although most patients with COVID-19 experience respiratory tract infections, severe reactions to the virus may cause coagulation abnormalities that mimic other systemic coagulopathies associated with severe infections, such as disseminated intravascular coagulation and thrombotic microangiopathy. Fluctuations in platelet markers, which are an indicator of the acute phase response for COVID-19, are of clinical importance. The aim of this study is to evaluate the relationship between disease severity and Platelet Mass Index (MPI) parameters in COVID-19 patients. Material(s) and Method(s): This retrospective observational study was conducted with patients who were diagnosed with COVID-19 in a tertiary hospital. The study was continued with the remaining 280 patients. All laboratory data were scanned retrospectively from patient files and hospital information system. Result(s): A very high positive correlation was found between PMI and PLT. The PMI value in women was significantly higher than in men. It was observed that PMI did not differ significantly in terms of mortality, intubation, CPAP and comorbidity. PMI vs. Pneumonia Ct Severity Score, biochemistry parameters (AST, CRP), hemogram parameters (WBC, HGB, HCT, MCV, LYM, MPV EO) and coagulation factors (aPTT and FIB) at various levels of positive/negative, weak and strong, and significant relationship was found. There was no significant relationship between hormone and D-dimer when compared with PMI. Discussion(s): Although platelet count alone does not provide information about the prognosis of the disease, PMI may guide the clinician as an indicator of lung damage in seriously ill patients.Copyright © 2022, Derman Medical Publishing. All rights reserved.
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Introduction: The COVID-19 pandemic has required clinical teams to function with an unprecedented amount of uncertainty, balancing complex risks and benefits in a highly fluid environment. This is especially the case when considering the delivery of a pregnant woman critically unwell with COVID-19. This is one maternal critical care team's reflections on establishing best practice and a shared mental model when undertaking a Caesarean section in critically unwell patients with COVID-19. Objective(s): We describe our experience of balancing the risks and streamlining the process of this high-risk intervention. Method(s): We used our standard clinical governance forums across four specialties (Obstetrics, Intensive care, Anaesthetics and Neonatology) to identify key challenges and learning points. We developed a working group to combine our learning and develop a shared mental model across the involved teams. Result(s): 1. The decision to deliver must be multidisciplinary involving Obstetrics, Intensive care, Anaesthetics, Neonatology and the patient according to their capacity to participate. The existing structure of twice daily ITU ward rounds could be leveraged as a 'pause' moment to consider the need for imminent delivery and review the risk-benefit balance of continued enhanced pharmacological thromboprophylaxis. 2. We identified a range of scenarios that our teams might be exposed to: 3. Perimortem Caesarean section 4. Critically unwell - unsafe to move to theatre 5. Critically unwell - safe to move to theatre 6. Recreating an obstetric theatre in the ICU Advantages Avoids moving a critically unstable patient, although our experience is increasing moving patients for ECMO. Some forms of maximal non-invasive therapy such as High Flow Nasal Oxygen may require interruption to move to theatre with resultant risk of harm or be difficult to continue in transport mode through a bulky ICU ventilator e.g. CPAP Disadvantages Significant logistics and coordination burden: multiple items of specialist equipment needing to be brought to the ICU. Human factors burden: performing a caesarean section in an unfamiliar environment is a significant increase in cognitive load for participating teams. Environmental factors: ICU side rooms may offer limited space vs the need to control the space if performed on an open unit. Delivering a Neonate into a COVID bubble. Conclusion(s): Developing a shared mental model across the key teams involved in delivering an emergency caesarean section in this cohort of critically unwell patients has enabled our group to own a common understanding of the key decisions and risks involved. We recommend a patient centred MDT decision making model, with a structure for regular reassessment by senior members of the teams involved. In most circumstances the human factors and logistical burden of recreating an operating theatre in the ICU outweighs the risk of transport to theatre. Pre-defined checklists and action cards mitigate the cognitive and logistical burden when multiple teams do perform an operative delivery in ICU. Action cards highlight key aspects of routine obstetric care to be replicated in the ICU environment.
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Introduction: Perinatal admissions to Critical Care are increasing due to rising maternal age, obesity, and comorbid disease.1 The MBRRACE Report 2021 stated that of 191 maternal deaths in 2017-2019, only 17% had good care.2 Since the COVID-19 pandemic, there was a subjective increase in perinatal admissions to Mid Yorkshire Hospitals Critical Care. Objective(s): To investigate whether MYH Critical Care maternal admissions have increased, if there has been a change in admission trends and to evaluate the care of critically ill pregnant and postpartum women compared to FICM standards.3 Methods: Retrospective audit of notes of all pregnant and up to 6 weeks postpartum women admitted to critical care between 24/02/2019 and 05/09/2021. Data collected included gestation, duration of admission, organ support, days reviewed by obstetrics and mortality outcomes. Result(s): * There was 1 maternal death and 3 fetal deaths during the study period * 50% of the admissions were antenatal and 50% were postnatal * During the COVID-19 pandemic we have seen a 47% increased rate of admissions from 1 per 29 critical care bed days to 1 per 19 critical care bed days * 50% of patients were supported with ventilation and CPAP during admission, 13% with CPAP only. Prior to the COVID pandemic, no maternal admission required CPAP on our Critical Care unit during the data collection period * 63% of patients were reviewed by obstetrics at least one during their admission, but obstetric review was documented on only 37 of 112 patient days * There is no critical care SOP for perimortem Caesarean section * There is no specialist neonatal resuscitation equipment available on ICU * There is no named ICM consultant responsible for Maternal Critical Care * There is no SOP for support of maternal contact with baby * There is no critical care/obstetric services MDT follow-up Conclusion(s): This study shows that Critical Care admissions have increased, and that care does not follow all the FICM recommendations. Considering this, the following recommendations have been made: * Introduce an SOP and simulation training for peri-mortem section * Introduce neonatal resuscitation equipment box * Nomination of a named ICM Consultant lead for Maternal Critical Care to ensure quality of care and act as liaison * Train critical care staff in supporting contact between a mother and baby, with support from midwifery services * Introduction of Obstetric and Critical Care MDT follow-up.
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Background: Several pro- and anti-inflammatory cytokines involved in COVID-19 and it is reasonable to speculate that their removal from blood might limit organ damage. Hemoperfusion with CytoSorb is a technique developed to adsorb molecules in the middle molecular weight range (up to 55 kDa). Studies in vitro and in vivo have shown that HP is highly effective in clearing blood from a number of cytokines. Method(s): We report a case series of 9 consecutive COVID-patients admitted to our COVID Intensive Care Unit (ICU). Five of them were treated with HP using CytoSorb (T), due to the heavy emergency overload it was impossible to deliver blood purification in the other 4 patients (C), who were also considered as potential candidates by the attending medical team. All patients had pneumonia and respiratory failure requiring continuous positive airway pressure. Different antibacterial prophylaxes, antiviral, and anti-inflammatory therapies including steroids were delivered. Result(s): Our results show a better clinical course of T compared to control patients (C), in fact all T except 1 survived, and only 2 of them were intubated, while all C required intubation and died. CRP decreased in both groups, but to a greater extent after HP. Lymphocytopenia worsened in control patient but not in treated patient after HP. Procalcitonin increased in 2 of the not treated patients. In all survived patients (n = 4) HP reduced pro-inflammatory cytokines, as IL-6, TNF-alpha, and IL-8. Notably, a striking effect was observed on IL-6 levels that at the end of the second session were decreased by a 40% than before the first treatment. Serum levels of IL-8 and TNF-alpha were lowered within normal range. In all patients the treatment was safe and there were no complications. Conclusion(s): Our study suggests a potential efficacy of HP in an early phase of viral infection not only for improving survival in the treated patients but also by the remodeling treatment-associated cytokine levels.
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Background: The second wave of the COVID-19 pandemic caused significant demand for beds capable of delivering enhanced respiratory support. NHS England recommended the use of CPAP for patients with COVID-19 respiratory failure, a treatment which can be offered outside of a critical care facility, and on a Respiratory High Care/ Support Unit (RSU). The enhancement of Portsmouth's RSU provided CPAP and NIV for patients with COVID-19 respiratory failure. With our intensive care facilities at 300% their normal capacity, this greatly alleviated bed pressures on critical care. Varied levels of deprivation exist in Portsmouth's dense population. Deprivation has an impact on overall health, however the effect of postcode on outcomes for people going onto support for COVID-19 respiratory failure, is unknown. Method(s): Retrospective cohort analysis of consecutive patients admitted to Respiratory Support Unit during the second wave of the COVID-19 pandemic, from 02/11/2020 to 31/01/2021. 227 patients were included in the study with 8 removed due to incomplete data, all of the patients received respiratory support in the form of CPAP or NIV. We collected multivariate data including biochemical markers, demographics, oxygenation status, co-morbidities and outcomes. Outcomes measured were: 1) Death in RSU, 2) Discharge from RSU or 3) Intubation and Ventilation. To measure deprivation, we linked a persons postcode to an area called an LSOA (Lower-layer Super Output Area). These are small areas of similar population size, each of which has a deprivation score (ie. top 10%, to the lowest 10% areas of deprivation in the UK). This is measured using an 'index of multiple deprivation'. An individual's outcome from the RSU was then analysed in relation to the deprivation score allocated to their postcode. Result(s): We observed a significant number of patients discharged from RSU, without needing invasive mechanical ventilation. 80/219 were discharged directly. 45/219 died in RSU, and 94 were eventually admitted to ITU. The average stay on CPAP or NIV before needing admission to ITU was 3 days. Some biochemical markers which stood out in relation to the outcomes described were as follows: average LDH, D-dimer and Troponin levels were higher in those who were admitted to intensive care. In patients who died, the PCT was significantly higher on average when compared to the other two groups. In the group who were discharged, mean lymphocyte count was >1, in the other two groups this was <1. From our observations in Portsmouth, there is a negative correlation between deprivation and lower aged individuals admitted for COVID-19 related respiratory support. Overall, we also saw disproportionate representation of those from the most deprived 50% of the UK in our respiratory support unit. Conclusion(s): CPAP and NIV can effectively be used in an RSU during a spike of COVID-19, to safely minimise demand on critical care services. Deprivation may have an impact on outcomes in patients needing respiratory support related to COVID-19. Deprivation levels may help predict risk of needing enhanced respiratory support in certain age groups. Multiple biochemical markers may be of prognostic value in COVID-19.
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Introduction: Northern Ireland (NI) has 5.5 ICU beds/100 000 population,1 amongst the lowest in Western Europe.2 Alongside ICU bed expansion the Covid-19 response required delivery of advanced Respiratory support (Continuous Positive Airway Pressure (CPAP) and High Flow Nasal Oxygen (HFNO)) outside ICU. ICNARC provides robust data for patients within ICU but this is unavailable for those receiving 'critical care' elsewhere. Objective(s): To evaluate delivery of CPAP/HFNO outside of ICU to Covid-19 patients - focusing on demographics and outcomes including ICU admission and mortality. Method(s): Ward-CPAP for acute hypoxaemic respiratory failure (AHRF) was not previously utilised.3 It was introduced for Covid-19 to Medical wards. Data was analysed using the NI Electronic Care Record, ward electronic note system (EDAMS) and ICU system (ICCA, Koninklijke Philips N.V.). Data was compared between Wave 1 (01/03/2020 - 12/12/2020) and Wave 2 (13/12/2020 - 01/04/2021). Result(s): 215 patients received CPAP/HFNO/Invasive Mechanical Ventilation (IMV) for Covid-19: 103 in Wave 1 and 112 in Wave 2. 75 Covid-19 patients were admitted to the ICU itself (comprising 44 of the study cohort, 11 direct from ED and 20 transferred from other Trusts). Table 1 shows demographics. Fewer patients were female as seen elsewhere,4 there were more young patients in Wave 2. The majority of patients would likely have been ICU candidates pre-pandemic,3 but a subset of 25% were deemed for a ward ceiling-of-care on admission by a Consultant and the proportion of elderly patients was higher than described by ICNARC.4 Comorbidities and obesity were common. Outcomes are shown in Table 2 and Figures 1-3. Close co-operation with ICU saw 61% of patients with a documented ICU review. Overall 20% of patients were admitted to ICU, and 15% received IMV. Mortality was 37%, but 22% if patients with an admission ward ceiling-of-care decision were excluded. Mortality correlated with frailty and age (fig 2&3). Outcomes were generally better in Wave 2. Conclusion(s): This Evaluation documents the huge contribution to the critical care Covid-19 response made by our Medical teams, not captured by ICNARC. Most patients avoided ICU admission and IMV and outcomes were likely at least comparable which undoubtedly freed up vital ICU beds. We thank the teams involved and believe it is vital to evaluate the outcome of all critically ill Covid-19 patients irrespective of their location.
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Objective: Acute respiratory tract infections are one of the leading causes of morbidity and mortality in children. Although human bocavirus (HBoV) infections are not as common as other seasonal respiratory viruses, children who are infected with HBoV are more likely to suffer from a variety of respiratory conditions, including the common cold, acute otitis media, asthma exacerbations, bronchiolitis pneumonia, some of the affected children require pediatric intensive care unit stay. Here, we aimed to evaluate pediatric bocavirus (HBoV) cases presenting with severe respiratory tract symptoms during the coronavirus disease 2019 (COVID-19) pandemic. Method(s): This retrospective study evaluated the medical records of children diagnosed with respiratory infections, followed up at the Faculty of Medicine, Eskisehir Osmangazi University between September 2021 and March 2022. In this study, patients with HBoV identified using nasopharyngeal polymerase chain reaction (PCR) were considered positive. Cases were analyzed retrospectively for their clinical characteristics. Result(s): This study included 54 children (29 girls and 25 boys) with HBoV in nasopharyngeal PCR samples. The cases ranged in age from 1 month to 72 months (median 25 months). At the time of presentation, cough, fever, and respiratory distress were the most prevalent symptoms. Hyperinflation (48%), pneumonic consolidation (42%), and pneumothorax-pneumomediastinum (7%) were observed on the chest X-ray;54% of the children required intensive care unit stay. The median length of hospitalization was 6 days. Bacterial coinfection was detected in 7 (17%) children, while HBoV and other viruses were present in 20 (37%) children;57% of children received supplemental oxygen by mask, 24% high-flow nasal oxygen, 7% continuous positive airway pressure, and 9% invasive mechanical ventilation support. Antibiotics were given to 34 (63%) cases, and systemic steroid treatment was given to 41 (76%) cases. Chest tubes were inserted in three out of the four cases with pneumothorax-pneumomediastinum. All patients were recovered and were discharged from the hospital. Conclusion(s): The COVID-19 pandemic changed the epidemiology of seasonal respiratory viruses and the clinical course of the diseases. Although it usually causes mild symptoms, severe respiratory symptoms can lead to life-threatening illnesses requiring intensive care admission.Copyright © 2023. The Author(s).
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BACKGROUND: One-third of pregnant women will experience worsening asthma requiring emergency hospitalization. However, no report comprehensively discussed the management of asthma attacks in pregnant women in impoverished settings. We attempt to illuminate what general practitioners can do to stabilize and improve the outcome of severe acute asthma exacerbations in primary care with resource limitations. CASE REPORT: A nulliparous 29-year-old woman in her 21st week of pregnancy presented severe acute asthma exacerbation in moderate persistent asthma with uncontrolled asthma status along with gestational hypertension, uncompensated metabolic acidosis with a high anion gap, anemia, respiratory infection, and asymptomatic bacteriuria, all of which influenced her exacerbations. This patient was admitted to our resource-limited subdistrict hospital in Indonesia during the COVID-19 pandemic for optimal stabilization. Crystalloid infusions, oxygen supplementation, nebulized beta-agonist with anticholinergic agents, inhaled corticosteroids, intravenous methylprednisolone, broad-spectrum antibiotics, subcutaneous terbutaline, mucolytics, magnesium sulphate, oral antihypertensives, and continuous positive airway pressure were used to treat her life-threatening asthma. After she was stabilized, we referred the patient to a higher-level hospital with more advanced pulmonary management under the supervision of a multidisciplinary team to anticipate the worst scenario of pregnancy termination. CONCLUSION(S): Limitations in primary care, including the lack of sophisticated intensive care units and laboratory panels, may complicate challenges in managing severe acute asthma exacerbation during pregnancy. To enhance maternal-fetal outcomes, all multidisciplinary team members should be well-informed about key asthma management strategies during pregnancy using evidence-based guidelines regarding the drug, rationale, and safety profile.Copyright © 2023 Muhammad Habiburrahman, Triya Damayanti, Mohammad Adya Firmansha Dilmy, Hariyono Winarto.
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Introduction: Most modern healthcare systems are striving to improve patient outcomes in an evidence-based manner. Increasingly, performance metrics are seen as key tools for accurately measuring and improving patient outcomes and healthcare value.1 However, in order to achieve better outcomes, process measures need to be identified. Process measures are evidence-based, best practices metrics that can be measured and thus, used to identify if outcomes are being met. Good process measures can improve patient outcomes by reducing the amount of variation in care delivery. During the Covid-19 pandemic, vast quantities of data were generated while managing ARDS (Acute Respiratory Distress Syndrome) on the ICU. Furthermore, there was as a concomitant evolution of treatment strategies, which made it exceedingly difficult to identify processes that were actually improving patient outcomes. Objective(s): The aim of our quality improvement project was to promote standardised high quality care for intubated Covid-19 patients by identifying potential quality indicators and trends in their management. It is our intention to expand on this work to report metrics on all severe acute respiratory failure patients. Method(s): 15 process metrics surrounding the early care of intubated of Covid-19 patients were selected via a consultant led review process and a literature review in an effort to identify markers of quality surrounding intubation on our ITU. The variables selected included: - P/F ratio 24 hours pre-intubation, CPAP (continuous positive airway pressure) duration prior to intubation, Recording intubation location, Enhanced thromboprophylaxis prescribed, Permissive hypercapnia, Driving pressure documented, prone position and paralysis initiated if P/F ratio was less than 20 kPa, Echo post intubation. Result(s): Data surrounding the intubation of Covid-19 patients was collected over an 11 week period between September and November 2021. The data was collected in a standardised fashion from patient notes and nursing notes, then stored in an excel file. Our data showed more than half the patients admitted were either intubated on the ward or immediately following arrival onto our ICU, possible indicating a delay in admitting Covid-19 patients. Our data also demonstrated heterogeneity of duration in CPAP prior to intubation which may also indicate delayed intubation for these patients.2 Conclusion(s): Our data demonstrated a reasonable degree of heterogeneity in our approach to the early care of intubated Covid-19 Patients. Areas of concern highlighted were the number of patients intubated on the ward or immediately upon arrival to ITU, rather than admitting prior to deterioration (most likely due to bed pressure) and variation in post intubation respiratory sampling between invasive and non-invasive broncheoalveolar lavage. Ongoing PDSA (plan-do-study-act) cycling are in progress to refine the data collection processes and reporting for all severe acute respiratory failure patients.
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Introduction: Peripartum women are at increased risk for severe illness with coronavirus disease (Covid-19) infection. Recent medical literature has drawn attention to the possible influence of COVID-19 on the course of pregnancies and its long-term effects.1-5 Objective: This case series aimed to observe the clinical course of peripartum women with confirmed Covid-19 admitted to a critical care unit in the North-west of England. Method(s): Since the start of the pandemic, all pregnant women with Covid-19 infection admitted to the critical care unit were monitored and followed up. Demographic profile, medical co-morbidities, treatment received, respiratory support and vaccination status were noted. Result(s): From March 2020 until February 2022, 8 women in our practice were shifted to the critical care unit post-partum in view of worsening work of breathing & increasing oxygen requirement after initial management in the delivery suite. All admissions were during the 3rd wave of the pandemic in the UK, between June to October 2021. 5 patients underwent Caesarean section under spinal anesthesia & 3 were shifted post normal vaginal delivery. Mean age in the study population was 33.25 years (SD +/- 3.99) and mean length of stay in the ICU was 6.62 days (SD +/- 3.99). Only one woman required intubation & mechanical ventilation for 10 days and the rest were managed on High Flow Nasal Cannula (HFNC) or Continuous Positive Airway Pressure (CPAP) hood and self-proning manoeuvres. 50% of the patients received Tocilizumab. All women were discharged home and there were no maternal deaths. Pre- admission none of the women were vaccinated, but on follow up 5 out of the 8 had completed their vaccination. All women were emotionally distraught due to being isolated from their family and new born. When reviewed at 12 weeks, one patient experienced post traumatic stress disorder (PTSD) and one had features of long Covid syndrome. On follow up, all new born babies were doing well. Conclusion(s): From the limited amount of data available, psychological stress was common to all patients. Being isolated from their new-born and family was the most difficult emotional aspect for the mothers in addition to finding it difficult to breathe and uncertainty about the future. Most mothers and new-born babies were discharged from the hospital without any serious complications. However, further observation and long term follow up is imperative. Use of guidelines in peripartum patients will aid in appropriate escalation of care. Key words: COVID-19, Pregnancy, Peri-partum, Long Covid syndrome.
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Introduction: It is well documented that survivors of ICU admissions struggle to return to pre-admission level of function because of both physical and psychological burden. Current guidance therefore recommends a follow-up service to review patients 2-3 months post discharge from ICU [NICE 2009]. Prior to 2020 University Hospitals Bristol and Weston (UHBW) had no such service. With the increase in patient numbers seen during the COVID-19 pandemic, funding was received to provide a follow-up clinic to COVID-19 survivors. Spare clinic spaces were used for non COVID ICU patients. Objective(s): To review symptoms reported by patients in the following 3 groups, COVID-19 patients treated in ICU (COVID ICU), COVID-19 patients treated with continuous positive airway pressure ventilation in high dependency areas (COVID CPAP) and non COVID-19 ICU patients (ICU), at 2-3 months post discharge from UHBW. Method(s): Referred patients had an initial phone call at 8 weeks post discharge. The call identified both physical and psychological symptoms. Advice regarding recovery, signposting to resources and onwards referrals to appropriate specialities were provided. If symptoms indicated, patients would then be referred into the multidisciplinary team follow up clinic. Here they met with an intensivist, clinical psychologist, physiotherapist, occupational therapist, speech and language therapist and dietitian. Result(s): As Graph 1 shows all 3 patient groups had a wide variety of ongoing symptoms at 2-3 months post discharge. Fatigue was the most common symptom reported in all 3 groups. Breathlessness was the second most common symptom reported by COVID patients but was less frequently reported in the ICU population who had a variety of non-respiratory related reasons for admission. COVID ICU patients more commonly reported ongoing problems with their swallowing, voice and communication compared to the COVID CPAP group, most probably due to invasive ventilation. Psychological burden post critical illness was high in all 3 groups. More than 20% of all patients scored =10 on a PHQ-9 depression scale showing moderate to severe depression. More than 15% of all patients scored =10 on a GAD-7 showing moderately severe to severe anxiety. COVID ICU group had the highest incidence of post-traumatic stress disorder (PTSD). This may be linked to the higher level of delirium we saw in this group, as a result of change in practice, such as full PPE and absence of visiting during the pandemic. ICU patients presented with a significantly higher percentage of physiotherapy needs. This is likely because patients with the longest and most complex ICU admissions were selected for the clinic. Sleep likely goes under reported in these results as we only began questioning specifically about this later on in the clinic. Conclusion(s): This data goes some way in supporting current literature that the rehabilitation needs of COVID ICU patients equal that of ICU patients (Puthucheary et al 2021). It also shows the need to follow up patients who receive advanced respiratory support outside of the ICU environment, as their symptoms, and therefore rehabilitation needs are very similar to ICU patients at 2-3 months post discharge.
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Background: At our hospital, people with COVID-19 (coronavirus disease 2019) had a high rate of pulmonary barotrauma. Therefore, the current study looked at barotrauma in COVID-19 patients getting invasive and non-invasive positive pressure ventilation to assess its prevalence, clinical results, and features. Methodology: Our retrospective cohort study comprised of adult COVID-19 pneumonia patients who visited our tertiary care hospital between April 2020 and September 2021 and developed barotrauma. Result(s): Sixty-eight patients were included in this study. Subcutaneous emphysema was the most frequent type of barotrauma, reported at 67.6%;pneumomediastinum, reported at 61.8%;pneumothorax, reported at 47.1%. The most frequent device associated with barotrauma was CPAP (51.5%). Among the 68 patients, 27.9% were discharged without supplemental oxygen, while 4.4% were discharged on oxygen. 76.5% of the patients expired because of COVID pneumonia and its complications. In addition, 38.2% of the patients required invasive mechanical breathing, and 77.9% of the patients were admitted to the ICU. Conclusion(s): Barotrauma in COVID-19 can pose a serious risk factor leading to mortality. Also, using CPAP was linked to a higher risk of barotrauma.Copyright © 2021 Muslim OT et al.
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[This corrects the article DOI: 10.3389/fped.2022.839476.].
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Hydrogen peroxide is a chemical commonly used as a household antiseptic for cleaning and disinfecting. No cases of acute hydrogen peroxide inhalation-induced lung injury are previously described. We present a case of acute chemical pneumonitis caused by mixing hydrogen peroxide in a nighttime continuous positive airway pressure device's humidifier used for obstructive sleep apnea to prevent COVID-19 infection. The patient endorsed mixing hydrogen peroxide with distilled water in his nighttime continuous positive airway pressure device's humidifier at a ratio of 1:3-1:2 for the previous week before admission based on a friend's advice in preventing COVID-19. The presenting chest X-ray showed new multifocal consolidations with interstitial markings and alveolar edema throughout both lungs. Chest computed tomography (CT) imaging demonstrated multifocal, bilateral, hazy consolidations with increased interstitial markings and bilateral pleural effusions. The patient was subsequently initiated on systemic glucocorticoid therapy, significantly improving hypoxemia and dyspnea. Inhalation of hydrogen peroxide may produce acute pneumonitis distinct from what has been described previously with chronic inhalation. Given this case, systemic glucocorticoid therapy may be considered a viable treatment option for acute hydrogen peroxide-associated inhalation lung injury causing pneumonitis.
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During the SARS-CoV-2 pandemic, the use of in-laboratory positive airway pressure (PAP) titration studies was not routinely suggested. PAP pressure prediction calculations are emerging as alternative methods for the treatment of these patients. The underestimation of PAP titration pressure usually leads to unsatisfactory results for PAP therapy. This study aimed to evaluate the factors associated with the underestimation of PAP titration pressure when using PAP pressure prediction equations. Estimated PAP pressure formulas based on body mass index (BMI) and apnea-hypopnea index (AHI) were chosen to validate the accuracy of equations in the successful prediction of titration pressure. Among 341 adult patients diagnosed with obstructive sleep apnea (OSA) by overnight polysomnography (PSG) and who received overnight PAP titration in order to select a successful pressure, the mean age of the total subjects was 55.4 years old and 78.9% of patients were male. The average BMI and AHI scores were 27.1 ± 4.8 and 37 ± 21.7, respectively. After multivariate stepwise regression analysis, the odds ratio of participants with a pretitration AHI was 1.017 (95% CI: 1.005-1.030). Only the severity of OSA was significantly different between the underestimated group and the adequately assessed group. In conclusion, a high AHI, but not BMI, is associated with an underestimated CPAP titration pressure in adult patients with OSA.
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BACKGROUND: Continuous positive airway pressure (CPAP) has been increasingly deployed to manage patients with COVID-19 and acute respiratory failure, often for protracted periods. However, concerns about protracted CPAP have been raised. This study aimed to examine the use of CPAP for patients with COVID-19 and the outcomes after protracted use. METHODS: This was a national cohort study of all adults admitted to Scottish critical care units with COVID-19 from March 1, 2020 to December 25, 2021 who received CPAP. Protracted CPAP was defined as ≥ 5 continuous days of CPAP. Outcomes included CPAP failure rate (institution of invasive mechanical ventilation [IMV] or death), mortality, and outcomes after institution of IMV. Multivariable logistic regression was performed to assess the impact of protracted CPAP on mortality after IMV. RESULTS: A total of 1961 patients with COVID-19 received CPAP for COVID-19 pneumonitis, with 733 patients (37.4%) receiving protracted CPAP. CPAP failure occurred in 891 (45.4%): 544 patients (27.7%) received IMV and 347 patients (17.7%) died in critical care without IMV. Hospital mortality rate was 41.3% for the population. For patients who subsequently commenced IMV, hospital mortality was 58.7% for the standard duration CPAP group and 73.9% for the protracted duration CPAP group (P=0.003); however, there was no statistical difference in hospital mortality after adjustment for confounders (odds ratio 1.4, 95% confidence interval 0.84-2.33, P=0.195). CONCLUSIONS: Protracted CPAP was used frequently for managing patients with COVID-19. Whilst it was not associated with worse outcomes for those patients who subsequently required IMV, this might be due to residual confounding and differences in processes of care.
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Helmet continuous positive airway pressure is a simple, noninvasive respiratory support strategy to treat several forms of acute respiratory failure, such as cardiogenic pulmonary edema and pneumonia. Recently, it has been largely used worldwide during the COVID-19 pandemic. Given the increased use of helmet continuous positive airway pressure in the emergency department, we aimed to provide an updated practical guide for nurses and clinicians based on the latest available evidence. We focus our attention on how to set the respiratory circuit. Moreover, we discuss the interactions between flow generators, filters, and positive end-expiratory pressure valves and the consequences regarding the delivered gas flow, fraction of inspired oxygen, positive end-expiratory pressure, and noise level.
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Introduction: Posterior mediastinal mass is most likely due to neurogenic tumor, meningocele or thoracic spine lesions. Caudate lobe of the liver herniation presenting as posterior mediastinal mass is a rare occurrence. Diaphragmatic herniation (DH) of the caudate lobe presents in various way including dyspnea, dyspepsia or incidental finding on imaging. We present a case of diaphragmatic hernia of the caudate lobe of the liver presenting as a posterior mediastinal mass found during evaluation of dyspnea. Case Description/Methods: A 75-year-old female presented to her physician with worsening shortness of breath from her baseline of 3 days duration. She had a history of sarcoidosis, COVID pneumonia over 1 year ago, COPD, diastolic heart failure, and hypertension. She was initially evaluated for COVID re-infection, which was negative and a CT of the chest with contrast to check for sarcoidosis flare revealed posterior mediastinal mass measuring 4.5 x 6.5 x 6.4 cm. Further work up with CT chest and abdomen with contrast revealed that the posterior mediastinal mass had similar attenuation as the liver and appears continuous with the caudate lobe of the liver. This was confirmed by NM scan of liver. Review of her records from an outside organization revealed similar finding on imaging a few years ago. Patient denied any history of trauma and laboratory work up revealed normal liver functions. After pulmonologist evaluation she was started on 2 L home oxygen following six-minute walk test, and also CPAP following a positive sleep study. Pulmonary function tests were performed and inhalers were continued. Given the chronicity of her symptoms and co-morbidities with stable caudate lobe herniation, conservative management was advised with surgery warranted if symptoms persist despite treatment (Figure 1). Discussion(s): DH is typically found on the left side with stomach or intestine while the right side is usually guarded by the liver. Isolated herniation of part of the liver into the thoracic cavity is rarely reported and is mostly acute from traumatic or spontaneous rupture requiring immediate repair. Our patient was initially evaluated for the posterior mediastinal mass for concerns of tumor, followed by the finding of what was thought to be acute herniation of the caudate lobe of liver into the thoracic cavity. Review of records showed this to be a stable lesion, we suspect that the patient had congenital diaphragmatic defect. Chronic and stable liver herniation into thoracic cavity can be managed conservatively if uncomplicated.
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Intubation and invasive mechanical ventilation are often unavoidable in most severe cases of COVID-19 pneumonia;however, deciding the optimum timing and best practices of intubation is challenging. The decision to proceed with intubation should be based on an integrated patient evaluation and not limited to the assessment of the severity of hypoxemia alone. Intubation is a maneuver exposing the operator to a high risk of contamination, therefore adequate personal protection equipment is mandatory. Benefits of intubation over noninvasive respiratory support include reduction or suppression of the respiratory drive, reduction of the basal metabolism and allowance of maintaining protective mechanical ventilation. On the other hand, risks are related to the need for sedation, the presence of an artificial airway and exposure to mechanical ventilation, which may result in overlapping ventilator-associated bacterial pneumonia and ventilator-induced lung injury. Balancing between risks and benefits of intubation in this context is challenging and the optimum timing of intubation remains largely an open question. This chapter discusses the clinical, technical, and safety aspects that deserve to be considered when considering intubation in patients with severe COVID-19-related acute respiratory failure. © The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2022.
ABSTRACT
Background: Little is understood about which comorbidities are associated with severe outcomes in children hospitalized with acute COVID-19. Some confusion lies especially for cancer or diabetes. Method(s): Data from 2 multicenter prospective cohort studies of hospitalized children (aged 0-18 years) with confirmed SARS-CoV-2 in Spain and Colombia were combined for this analysis. Data were obtained from 116 hospitals. Outcome was classified as (in decreasing order of severity): death, mechanical ventilation (MV), pediatric intensive care unit (PICU) admission, high flow/CPAP, oxygen therapy with nasal prong (NP) and hospitalization without respiratory support. Risk factors for severity, adjusting for age and gender, were identified using multinominal logistic regression and a backwards selection process. Result(s): A total of 1,753 patients were included, 734 (41.8%) in Spain and 1,019 (58.1%) in Colombia. The most frequent comorbidities were asthma (9.0%), chronic neurological disorder (NRL) (7.4%), immunosuppressive medication (7.2%), malignant neoplasms (5.4%) and chronic lung disease (not asthma) (CLD) (4.5%). Comorbidities associated with the different endpoints are summarized in Figure 1. Asthma was associated with a significantly increased risk of death (OR: 4.17;95%CI 1.34-12.97), MV (OR: 7.94 (3.59-17.56)), PICU admission (OR: 3.37 (1.91- 5.96)), high flow/CPAP (OR: 6.65 (2.69-16.46)), and NP (OR: 3.85 (2.57-5.77)) compared to hospitalization without respiratory support. NRL was associated with increased risk of death (OR: 7.34 (3.01-17.90)), MV (OR: 3.07 (1.20-7.82)) and high flow/CPAP (OR: 4.36 (1.68-11.29)). CLD was associated with increased risk of death (OR: 6.22 [2.28-16.94]) and NP (OR: 3.1 (1.74-5.58)) and in addition, chronic cardiac disease was associated with increased risk of MV (OR: 5.21 (1.76-15.41)) and PICU (OR: 2.78 (1.27-6.08)). Risks of death (OR: 4.49 (2.03-9.05)), MV (OR: 2.97 (1.52-5.81)), PICU (OR: 4.27 (2.89-6.33)), and NP (OR: 4.67 (3.64-5.99)) were higher in the Colombia Cohort. Conclusion(s): Asthma, chronic neurological, cardiac and lung disease;and belonging to the Colombia cohort were consistently associated with multiple severe outcomes of COVID-19. Cancer and diabetes association with selected endpoints rather than with most endpoints may be more related to the baseline disease than with the actual COVID-19.