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Objective:To compare the efficacy of high-flow nasal cannula oxygen therapy (HFNC) and non-invasive ventilation (NIV) in the treatment of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) with moderate typeⅡ respiratory failure, to clarify the feasibility of HFNC in the treatment of AECOPD, and to explore the influencing factors of HFNC failure.Methods:This study was a randomized controlled trial of non-inferiority. Patients with AECOPD with moderate type Ⅱ respiratory failure [arterial blood gas pH 7.25-7.35, partial pressure of arterial blood carbon dioxide (PaCO 2)> 50 mmHg] admitted to the Intensive Care Unit (ICU) from January 2018 to December 2021 were randomly assigned to the HFNC group and NIV group to receive respiratory support. The primary endpoint was the treatment failure rate. The secondary endpoints were blood gas analysis and vital signs at 1 h, 12 h, and 48 h, total duration of respiratory support, 28-day mortality, comfort score, ICU length of stay, and total length of stay. Multivariate logistic regression analysis was used to evaluate the failure factors of HFNC treatment. Results:Totally 228 patients were randomly divided into two groups, 108 patients in the HFNC group and 110 patients in the NIV group. The treatment failure rate was 29.6% in the HFNC group and 25.5% in the NIV group. The risk difference of failure rate between the two groups was 4.18% (95% CI: -8.27%~16.48%, P=0.490), which was lower than the non-inferiority value of 9%. The most common causes of failure in the HFNC group were carbon dioxide retention and aggravation of respiratory distress, and the most common causes of failure in the NIV group were treatment intolerance and aggravation of respiratory distress. Treatment intolerance in the HFNC group was significantly lower than that in the NIV group (-29.02%, 95% CI -49.52%~-7.49%; P=0.004). After 1 h of treatment, the pH in both groups increased significantly, PaCO 2 decreased significantly and the oxygenation index increased significantly compared with baseline (all P < 0.05). PaCO 2 in both groups decreased gradually at 1 h, 12 h and 48 h after treatment, and the pH gradually increased. The average number of daily airway care interventions and the incidence of nasal and facial lesions in the HFNC group were significantly lower than those in the NIV group ( P < 0.05), while the comfort score in the HFNC group was significantly higher than that in the NIV group ( P=0.021). There was no significant difference between the two groups in the total duration of respiratory support, dyspnea score, ICU length of stay, total length of stay and 28-day mortality (all P > 0.05). Multivariate logistic regression analysis showed that acute physiology and chronic health evaluation Ⅱ score (≥15), family NIV, history of cerebrovascular accident, PaCO 2 (≥60 mmHg) and respiratory rate (≥32 times/min) at 1 h were independent predictors of HFNC failure. Conclusions:HFNC is not inferior to NIV in the treatment of AECOPD complicated with moderate type Ⅱ respiratory failure. HFNC is an ideal choice of respiratory support for patients with NIV intolerance, but clinical application should pay attention to the influencing factors of its treatment failure.
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Objective:To explore the application effect of family-centered empowerment model (FCEM) in rehabilitation nursing of children with femoral shaft fractures treated by skin traction.Methods:A retrospective case-control study was conducted to analyze the clinical data of 107 children with femoral shaft fractures treated with skin traction in Anhui Children′s Hospital from April 2019 to October 2021, including 67 males and 40 females; aged 1.5-5.0 years [2.8(2.0, 3.5)years]. Fracture types included oblique fracture ( n=50), comminuted fracture ( n=26), transverse fracture ( n=14) and spiral fracture ( n=17). FCEM nursing was implemented in 55 patients (family empowerment group) and routine home rehabilitation nursing guidance was performed in 52 patients (routine nursing group). The face, legs, activity, cry, consolability (FLACC) behavioral score on admission and at days 1, 3 and 7 after skin traction, treatment compliance rate at 1 month after skin traction, complication rate at 1 month after skin traction, length of hospital stay and fracture healing time were compared between the two groups. Results:All patients were followed up for 12-18 weeks [13.4(12.7, 13.9)weeks]. There was no significant difference in FLACC behavioral score between the two groups on admission ( P>0.05). The FLACC behavioral score was (4.0±0.7)points,(3.4±0.6)points and (2.4±0.6)points in family empowerment group at days 1, 3 and 7 after skin traction, lower than (4.8±0.7)points, (3.9±0.8)points and (3.3±0.5)points in routine nursing groups (all Ρ<0.01). One month after skin traction, treatment compliance was excellent in 51 patients, good in 4, poor in 0, with treatment compliance rate of 92.7% (51/55) in family empowerment group, and was excellent in 40 patients, good in 9, poor in 3, with treatment compliance rate of 76.9% (40/52) in routine nursing group ( Ρ<0.05). The complication rate was 5.4% (3/55) in family empowerment group, lower than 21.2% (11/52) in routine nursing group ( Ρ<0.05). The length of hospital stay and fracture healing time were (15.6±0.3)days and (7.1±0.8)weeks in family empowerment group, shorter than (16.8±0.3)days and (8.2±0.4)weeks in routine nursing group (all Ρ<0.01). Conclusion:For children with femoral shaft fractures treated by skin traction, nursing using FCEM can alleviate pain, improve treatment compliance, reduce complication rate, reduce hospital stay and shorten fracture healing time.
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Objective:To investigate the effect of different P2Y12 inhibitors on the long-term prognosis of patients with diabetes mellitus (DM) and acute coronary syndrome (ACS), with or without the CYP2C19 loss-of-function (LOF) gene. Method:266 consecutive ACS patients undergoing percutaneous coronary intervention (PCI) were enrolled. According to the CYP2C19 LOF genotype, the patients were divided into rapid metabolizing-type (without the CYP2C19 LOF gene) and moderate-slow metabolizing type (with the CYP2C19 LOF gene). Each type was divided into the A group (with diabetes) and the B group (without diabetes). Each group was divided into the ticagrelor subgroup and the clopidogrel subgroup according to the type of P2Y12 platelet inhibitor. The MACE events were recorded for each subgroup over 3 years, and the prognostic impact of the CYP2C19 LOF genotype and the type of P2Y12 used were analyzed. Results:There were no significant differences in MACE, revascularization, stroke, heart failure rehospitalization, major bleeding, or all-cause mortality among subgroups of patients with rapid metabolizing type at 3 years after PCI (all P>0.05). In patients with moderate-slow metabolizing-type, the use of tegretol significantly reduced the probability of MACE events and cardiac revascularization (all P<0.01) and significantly reduced the reoccurrence of heart attack in patients with DM. Conclusions:In DM combined with ACS patients with rapid metabolizing type, the choice of different P2Y12 inhibitors after PCI had no significant effect on their prognosis. In DM combined with ACS patients with moderate-slow metabolizing type, tegretol not only significantly reduced the incidence of MACE, revascularization, and reinfarction, but also did not increase the risk of major bleeding. In terms of reducing the reoccurrence of heart attack, the benefit of using tegretol in the DM patients was greater than in the non-DM patients.
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Objective:To investigate the association of postprandial hypotension(PPH)with insulin and neurotensin(NT)in very old adults.Methods:In this retrospective study, 22 people with PPH and 21 without non-PPH, aged ≥80, were enrolled from patients hospitalized at the First Division of the Health Department of China-Japan Friendship Hospital between September 2015 and October 2021.The levels of blood pressure, blood glucose, insulin and NT at fasting and 30, 60, 90 and 120 minutes after a meal were monitored.Changes in values of each parameter before and after a meal were compared between the two groups, and the correlation of the maximum decrease in postprandial blood pressure with the maximum increase in blood glucose, insulin and neurotensin was analyzed.Results:The maximum decrease in postprandial systolic blood pressure(SBP)in the PPH group was significantly higher than that in the non-PPH group[(35.5±13.2)mmHg(1 mmHg=0.133 kPa) vs.(16.0±8.6)mmHg, t=4.135, P<0.01)]. The maximum increase in postprandial insulin was significantly higher than that in the non-PPH group[(20.9±4.2)mU/L vs.(12.1±4.1)mU/L, t=3.949, P<0.01)]. There was no statistically significant difference between the PPH and non-PPH groups in the maximum increase in postprandial blood glucose[(3.6±1.8)mmol/L vs.(2.5±0.5)mmol/L, t=1.912, P>0.05)]or NT[65.7(22.0, 110.1)ng/L vs.112.2(47.2, 270.2)ng/L, Z=1.817, P>0.05)]. There was a significant positive correlation between the maximum decrease in postprandial systolic blood pressure and the maximum increase in insulin( r=0.907, P<0.05). There was no correlation between the maximum decrease in postprandial systolic blood pressure and the maximum increase in blood glucose( r=0.016, P>0.05). There was no correlation between the maximum decrease in postprandial systolic blood pressure and the maximum increase in NT( r=0.396, P>0.05). Conclusions:The PPH is related to abnormal increases in postprandial insulin secretion.
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Personnel training marks a key assurance for the healthy and sustainable development of healthcare sector and healthcare institutions in China, rendering it critical importance to include personnel training into performance appraisal. The authors analyzed the connotation and orientation of personnel training index assessment in the performance appraisal at tertiary public hospitals in the country, sorted out the assessment details to be optimized. On such basis, the authors recommended on optimal assessment methodology, combining the gradual improvement of medical personnel training assessment indexes and interval range assessment. These efforts aim at providing references for further improving the scientificity, standardization, homogeneity, as well as vertical and horizontal comparability and operability of personnel training index assessment.
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Objective:To investigate the function of gasdermin D (GSDMD) in intestinal damage of mice with severe acute pancreatitis (SAP).Methods:The healthy C57BL/6 mice were divided into four groups randomly, including normal saline (NS) group, small interfering RNA (siRNA)-NS group, SAP model group and siRNA-SAP group, with 6 mice in each group. The SAP mouse model was reproduced by intraperitoneal injection of caerulein 50 μg/kg combined with lipopolysaccharide (LPS) 10 mg/kg; the NS group was given the same amount of NS; in the siRNA-SAP group and siRNA-NS group, siRNA 50 mg/kg was injected through the tail vein three times before modeling or injection of NS. The blood of mice eyeball in each group was taken 12 hours after modeling, and serum interleukins (IL-1β, IL-18) levels were detected by enzyme linked immunosorbent assay (ELISA). The mice were sacrificed to observe the general changes in abdominal cavity, the pancreas and ileum tissues were taken to observe the pathological changes under a light microscope. The expression of long-chain non-coding RNA uc.173 (lnc uc.173) was detected by reverse transcription-polymerase chain reaction (RT-PCR). Immunohistochemical method was used to detect the expression of tight junction proteins zonula occluden-1 (ZO-1) and Occludin in intestinal mucosal epithelial cells. Western blotting was used to detect the GSDMD protein expression level in the intestinal tissue.Results:The serum levels of IL-1β and IL-18 in the SAP model group were significantly higher than those in the NS group and the siRNA-NS group [IL-1β (ng/L): 146.66±1.40 vs. 44.48±5.76, 81.49±10.75, IL-18 (ng/L): 950.47±177.09 vs. 115.43±16.40, 84.84±21.90, all P < 0.05]; and the levels of IL-1β and IL-18 in the siRNA-SAP group were significantly lower than those in the SAP model group [IL-1β (ng/L): 116.26±15.54 vs. 146.66±1.40, IL-18 (ng/L): 689.96±126.08 vs. 950.47±177.09, both P < 0.05]. General observation showed that there were no obvious abnormalities in the abdominal cavity of the mice in the NS and siRNA-NS groups; the mice in the SAP model group and the siRNA-SAP group had different degrees of edema and congestion in the intestine; compared with the SAP model group, the abnormalities in the siRNA-SAP group was significantly reduced. Under light microscope, there were no obvious changes in the pancreas and intestinal mucosa in the NS group and the siRNA-NS group; the pancreatic tissue of the SAP model group and the siRNA-SAP group had different degrees of edema, inflammatory cell infiltration, and lobular structure damage, and the intestinal mucosa was damaged to a certain degree, and the villi were broken to varying degrees, but the damage in the siRNA-SAP group was lighter. The results of RT-PCR showed that the expression of lnc uc.173 in the intestinal tissues of the model SAP group was significantly lower than that of the NS group and the siRNA-NS group (2 -ΔΔCt: 0.26±0.12 vs. 1.01±0.37, 0.67±0.32, both P < 0.05), while the expression of lnc uc.173 in the siRNA-SAP group was significantly higher than that in the SAP model group (2 -ΔΔCt: 0.60±0.39 vs. 0.26±0.12, P < 0.05). Immunohistochemistry showed that ZO-1 and Occludin proteins in the NS group were distributed along the epithelial cells of the intestinal mucosa, showing a strong expression; ZO-1 and Occludin expressions were significantly reduced in the SAP model group and siRNA-SAP group, but the expressions in the siRNA-SAP group was higher than that in the SAP model group. Western blotting showed that the expression level of GSDMD protein in the intestinal tissues of the SAP model group was significantly higher than that of the NS group and the siRNA-NS group [GSDMD protein (GSDMD-N/β-actin): 1.99±0.46 vs. 1, 1.00±0.78, both P < 0.05]. Compared with the SAP model group, the expression of GSDMD protein in the siRNA-SAP group was significantly decreased [GSDMD protein (GSDMD-N/β-actin): 1.42±0.42 vs. 1.99±0.46, P < 0.05]. Conclusions:The systemic inflammatory response and intestinal mucosal barrier damage of SAP mice may be related to the increase of GSDMD expression in intestinal tissues. GSDMD mediates cell pyrolysis to promote the release of inflammatory factors, cause intestinal injury, and down-regulate the expression of intestinal epithelial cell tight junction proteins such as ZO-1 and Occludin, resulting in intestinal mucosal damage.
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Objective:To understand the degree of professional autonomy of nurses in Pediatric Nursing Alliance and the status of pediatric nursing practice environment, which providing guidance for the development of a series of specialized training in the alliance.Methods:Stratified random sampling method was used to conduct a questionnaire survey on nursing staff of different professional levels in Pediatric Nursing Alliance, which through the questionnaire star by using the questionnaire general information and training demand questionnaire, nurses practice professional autonomy scale, pediatric nursing staff structural empowerment questionnaire and nursing practice influencing factors questionnaire through the questionnaire star.Results:The total score for professional autonomy of nurses in the pediatric alliance was 192.66±18.63, the structural empowerment ( OR=1.137, 95% CI=1.084-1.194), lack of caring team ( OR=2.763, 95% CI=1.443-5.292) and performance evaluation ( OR=0.498, 95% CI= 0.274-0.908), specialized education and professional experience ( OR=0.548, 95% CI= 0.334-0.871) were affecting the clinical nursing practice. Conclusion:The degree of professional autonomy of nurses in the Pediatric Nursing Alliance is in the middle and high level. Key factors affecting nursing practice including insufficient structural empowerment, lack of opportunities to continue learning, lack of nursing teams, lack of effectiveness evaluation and the lack of specialized education and work experience, which guiding the pediatric nursing alliance to continuously deepen the connotation of pediatric nursing professional and innovative team collaboration new model, utilize the advantages of resources to actively cultivate specialized nursing research personnel, carry out multi-disciplinary and cross-disciplinary cooperation, improve the nursing quality evaluation index system, so as to enhance the professional nursing service capacity and value.
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Objective:To compare the therapeutic effects of nasal high-flow oxygen therapy (HFNC) and nasal canal oxygenation (NCO) during breaks off non-invasive ventilation (NIV) for acute exacerbation of chronic obstructive pulmonary disease (AECOPD), and to explore the feasibility of NIV combined with HFNC in the treatment of AECOPD.Methods:From August 2017 to July 2019, AECOPD patients with type Ⅱrespiratory failure (arterial blood gas pH <7.35, PaCO 2 > 50 mmHg) who were treated with NIV were randomly (random number) assigned to the HFNC group and NCO group at 1:1. The HFNC group received HFNC treatment during breaks from NIV and the NCO group received low-flow NCO during the NIV interval. The primary endpoint was the total respiratory support time. The secondary endpoints were endotracheal intubation, duration of NIV treatment and breaks from NIV, length of ICU stay, total length of hospital stay and so on. Results:Eighty-two patients were randomly assigned to the HFNC group and the NCO group. After secondary exclusion, 36 patients in the HFNC group and 37 patients in the NCO group were included in the analysis. The total respiratory support time in the HFNC group was significantly shorter than that in the NCO group [(74 ± 18) h vs. (93 ± 20) h, P = 0.042]. The total duration of NIV treatment in the HFNC group was significantly shorter than that in the NCO group [(36 ± 11) h vs. (51 ± 13) h, P=0.014]. There was no significant difference of the mean duration of single break from NIV between the two groups, but durations of break from NIV in the HFNC group were significantly longer than those in the NCO group since the third break from NIV ( P < 0.05). The intubation rates of the HFNC and NCO groups were 13.9% and 18.9%, respectively, with no significant difference ( P=0.562). The length of ICU stay in the HFNC group was (4.3 ± 1.7) days, which was shorter than that in the NCO group [(5.8 ± 2.1) days, P=0.045], but there was no significant difference in the total length of hospital stay between the two groups. Heart rate, respiratory rate, percutaneous carbon dioxide partial pressure and dyspnea score during the breaks from NIV in the NCO group were significantly higher than those in the HFNC group, and the comfort score was lower than that in the HFNC group ( P<0.05). Conclusion:For AECOPD patients receiving NIV, compared with NCO, HFNC during breaks from NIV can shorten respiratory support time and length of ICU stay, and improve carbon dioxide retention and dyspnea. HFNC is an ideal complement to NIV therapy in AECOPD patients.
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Objective:To investigate the effects of poly (ADP-ribose) polymerase-1(PARP-1) in intestinal mucosal barrier injury in rat model with severe acute pancreatitis (SAP).Methods:Twenty healthy male Wistar rats were divided into four groups ( n=5 each group) using a random table method: control, SAP, 3-aminobenzamide (3-AB), and 3-AB control groups. The SAP model was induced by intraperitoneal injection of cerulean with lipopolysaccharide. At 30 min, the rats were treated with the PARP-1 inhibitor, 3-AB, or normal saline,separately. After 12 h, all rats were sacrificed to harvest pancreas tissues, intestines tissues, and blood from the hearts for index detection. Serum amylase (AMY) and interleukin (IL)-6 levels were measured using an automatic biochemical instrument and enzyme-linked immunosorbent assay (ELISA), respectively.The protein expression of PARP-1 and nuclear factor (NF-κB) were measured using Western blot and that of occludin was measured using an immunohistochemical test. One-way analysis of variance was used for comparison of multiple groups of variables. Non-parametric tests of rank conversion were used when variances were not uniform. A P <0.05 was considered statistically significant. Results:Compared to the control group, the following indexes in the SAP group were significantly increased: ascites (with serious hemorrhage and necrosis in the pancreas and disordered intestinal villi),serum AMY and IL-6 levels, and the expression of PARP-1 and NF-κB. However, Occludin expression was significantly decreased. There was no significant difference between 3-AB group and 3-AB control group. Compared to the SAP group, the severity of SAP and pancreatitis-associated intestinal injury was significantly attenuated with the administration of 3-AB. Serum AMY and IL-6 levels were significantly decreased (serum AMY: 1 879.25 ± 736.6 U/L vs 5 569.33 ± 1993.48 U/L; IL-6: 77.98 ± 20.65 pg/mL vs 209.14 ± 79.08 pg/mL, both P<0.05), but the expression of PARP-1 and NF-κB were significantly increased (PARP-1: 1.44 ± 0.09 vs 1.49 ± 0.13; NF-κB: 0.63 ± 0.09 vs 0.96±0.08, both P<0.05). Similarly, Occludin expression was significantly decreased (6.7±1.5 vs 3.2±1.1, P<0.05). Conclusions:Inhibition of PARP-1 has protective effects on SAP associated intestinal mucosal barrier damage. The mechanism may be related to the inhibition of NF-κB signaling pathway and increase intestinal mucosal Occludin protein expression.
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Objective:To explore the relationship between the selection of different P2Y 12 inhibitors and the long-term prognosis of acute coronary syndrome (ACS) patients with and without CYP2C19 defect gene. Method:289 consecutive ACS patients who underwent percutaneous coronary intervention (PCI) at Tianjin Third Central Hospital from March 2016 to October 2016 were selected for CYP2C19 gene polymorphism detection. According to the detection results, the patients were divided into group A (with CYP2C19 loss-of-function gene, 199 cases) and group B (without CYP2C19 loss-of-function gene, 90 cases). After PCI, different P2Y 12 inhibitors were selected. The patients were followed up for 3 years, and 23 cases were lost to follow-up. Finally, 182 cases were enrolled in group A and 84 cases were enrolled in group B. According to whether there were major adverse cardiovascular events (MACE) within 3 years, the patients in groups A and B were divided into MACE subgroups (58 cases, 32 cases) and non-MACE subgroups (124 cases, 52 cases). The single factor analysis of the two subgroups in groups A and B was carried out based on the patient's clinical data, coronary artery disease and intervention status, and postoperative drug treatment plan. Risk factors with statistical significance ( P<0.05) were selected, and multivariate logistic regression analysis was performed on groups A and B to compare the effects of different P2Y 12 inhibitors on the prognosis of the two groups. Results:The differences in platelet volume, fasting blood glucose, HbA1c, left ventricular end-diastolic diameter, proportion of single-branch lesions, proportion of intervention for left main lesions, and dual antiplatelet therapy were statistically significant between the two subgroups in group A (all P<0.05). The differences in low-density lipoprotein (LDL), left ventricular ejection fraction (LVEF), left ventricular end-diastolic diameter, proportion of two-branch lesions, proportion of three-branch lesions, and proportion of using tirofeben were statistically significant between the two subgroups in group B (all P<0.05). In the group A, the choice of different P2Y 12 inhibitors was the independent risk factor for the long-term prognosis. Compared with patients treated with Ticagrelor, the probability of long-term MACE was 11.971 times larger ( OR=12.971, 95% CI: 5.028~33.464, P<0.001) among patients treated with Clopidogrel 75 mg/day, and 5.029 times larger ( OR=6.029, 95%CI: 2.278~15.958) among patients treated with Clopidogrel 100 mg/day. No significant correlation was witnessed between different P2Y 12 inhibitors and long-term prognosis in group B. In the group B, different P2Y 12 inhibitors have no significant correlation with their long-term prognosis of patients( P>0.05). Conclusions:For ACS patients with CYP2C19 loss-of-function gene, the choice of P2Y 12 inhibitors is associated with their long-term MACE events after PCI. Ticagrelor therapy brings the lowest risk of long-term MACE. For those without CYP2C19 loss-of-function gene, the correlation between the choice of different P2Y 12 inhibitors and their prognosis is not significant.
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Objective To be good for the different working age midwives to carry out the same evaluation of the pregnant woman,we build and use the Episiotomy Evaluation Form for reducing the rate of episiotomy with ensuring the safety of mother and baby.Methods Consult relevant literature,combine clinical practice,discuss,report to the hospital ethics committee many times and at last it was made after approval.The details included:perineal lesions,perineum elasticity,perineal length,maternal coordination,gestational age,age,fetal distress degree,amniotic fluid situation,the weight of fetus estimated,the second time of labor and so on,to score by 0,1,3,5,20.A total of 600 patients with low risk of natural childbirth were randomly divided into observation group and control group according to method of random number table with 300 cases each.The observation group was graded according to the perineal incision evaluation and we operated according to its use method.The control group was judged according to the experience of midwife and subjective cognition.At last compared the effects on the mother and baby.Results The rates of lateral episiotomy and Ⅰ degree laceration were 15.00％ (45/300) and 63.00％ (189/300) in the observation group and 48.33％ (145/300) and 21.67％ (65/300) in the control group,respectively.The difference between the two groups was statistically significant (x2=16.238,21.507,P ＜ 0.05).There was no statistical difference in the perineal intact rate,median perineal incision rate,perineal Ⅱ degree laceration rate,severe perineal laceration,second stage of labor,postpartum hemorrhage 2 hours,neonatal asphyxia rate,incidence of neonatal birth injury (brachial plexus injury,clavicle fracture,etc.) and pelvic floor muscle strength of 42 days after delivery between the two groups (P ＞ 0.05).Conclusions By using the episiotomy evaluation form,we can improve the accuracy and homogeneity of the midwife's assessment about the episiotomy which is benefit to reduce rate of episiotomy.It is worth promoting in clinical practice but we should ensure the safety of maternal and child.
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Delirium is a common complication in elderly hospitalized patients and a marker of poor outcome. The Hospital Elder Life Program has been shown to be highly efficient and cost-effective in reducing delirium incidence in the USA. This article describes the Hospital Elder Life Program, a new model of care designed to prevent delirium in America, and its clinical applications. The article also analyzes the key points in the delivery of HELP in domestic health care system. It is expected to provide reference for improving delirium care for hospitalized older adults in China.
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Objective@#To evaluate the effect of the ischemic post-conditioning (IPC) on the prevention of the cardio-renal damage in patients with acute ST-segment elevation myocardial infarction (STEMI) after primary percutaneous coronary intervention (PPCI).@*Methods@#A total of 251 consecutive STEMI patients underwent PPCI in the heart center of Tianjin Third Central Hospital from January 2012 to June 2014 were enrolled in this prospective, randomized, control, single-blinded, clinical registry study. Patients were randomly divided into IPC group (123 cases) and control group (128 cases) with random number table. Patients in IPC group underwent three times of inflation/deflation with low inflation pressure using a balloon catheter within one minute after culprit vessel blood recovery, and then treated by PPCI. Patients in control group received PPCI procedure directly. The basic clinical characteristics, incidence of reperfusion arrhythmia during the procedure, the rate of electrocardiogram ST-segment decline, peak value of myocardial necrosis markers, incidence of contrast induced acute kidney injury(CI-AKI), and one-year major adverse cardiovascular events(MACE) which including myocardial infarction again, malignant arrhythmia, rehospitalization for heart failure, repeat revascularization, stroke, and death after the procedure were analyzed between the two groups.@*Results@#The age of IPC group and control group were comparable((61.2±12.6) vs. (64.2±12.1) years old, P=0.768). The incidence of reperfusion arrhythmia during the procedure was significantly lower in the IPC group than in the control group(42.28% (52/123) vs. 57.03% (73/128), P=0.023). The rate of electrocardiogram ST-segment decline immediately after the procedure was significantly higher in the IPC group than in the control group (77.24% (95/123) vs. 64.84% (83/128), P=0.037). The peak value of myocardial necrosis markers after the procedure were significantly lower in the IPC group than in the control group(creatine kinase: 1 257 (682, 2 202) U/L vs. 1 737(794, 2 816)U/L, P=0.029; creatine kinase-MB: 123(75, 218)U/L vs.165(95, 288)U/L, P=0.010). The rate of CI-AKI after the procedure was significantly lower in the IPC group than in the control group(5.69%(7/123) vs. 14.06%(18/128), P=0.034). The rate of the one-year MACE was significantly lower in the IPC group than in the control group(7.32%(9/123) vs. 15.63% (20/128), P=0.040).@*Conclusion@#The IPC strategy performed eight before PPCI can reduce myocardial ischemia- reperfusion injury, decline the rates of CI-AKI and one-year MACE significantly in STEMI patients, thus has a significant protective effect on heart and kidney in STEMI patients. Clinical Trial Registration Chinese Clinical Trials Registry, ChiCTR-ICR-15006590.
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Objective To systematically analyze the current situation of case‐control studies published on Chinese nursing ac‐ademic journals and provide references for future researches .Methods All literatures related to case‐control studies published on Chinese nursing academic journals were retrieved from CNKI ,CBM ,Wangfang databases ,and VIP by computer .The literatures were analyzed by bibliometrics method .Results Totally 77 literatures published in 17 journals were retrieved .The number of liter‐atures revealed an increasing tendency .T he content of these literatures involved 11 nursing fields ,such as medicine nursing ,surgery nursing ,and fundamental nursing .29 .9% of studies were supported by research grants .On the other side ,authors were located in 18 provinces ,autonomous regions and municipalities .Meanwhile ,most of them were from developed regions and worked in medical institutions .Conclusion The method of case‐control studies have gradually gained recognition of Chinese nursing researchers . However ,the number of case‐control studies were still small .Nursing researchers should be encouraged to conduct case‐control studies actively and apply this kind of method in more extensive fields of nursing .
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Objective To evaluate the association between the concentration of particulate matter (PM2.5)and asthma attack in children.Methods The computer and databases were used to search the key wordsAsthma andChild were searched by means of the subject headings ( Asthma andChild) and free words (Asthma * , Child *andPediatric * etc.),moreover PM2.5 was searched on the basis of free words such asPM2.5, Particulate Matter *which were linked withAND in PubMed and Medline database.Furthermore,the key words asthma AND (Child OR Pediatric OR Infant) AND (PM2.5 OR Particulate Matter OR Inhalable Particles) for keywords were searched in CBM,CNKI,VIP and Wanfang databases.The literatures included those from the initial computer database up to those of December 2014 from computer database.Meanwhile manual research was added to screen literatures according to the standards of inclusion and exclusion.Newcastle-Ottawa Scale was employed to assess the quality of the included literatures including selection,comparability and outcomc.Data wcre synthesized and analyzed by Rcvman5.3 and Stata12.0 version for statistical analysis,heterogeneity test,sensitivity analysis,subgroup analysis,and so on.Results A total of 17 literatures involving 1326573 children were included.The findings from quality assessment involved 2 studies for 8 scores,2 for 7 scores,7 for 6 scores,5 for 5 scores,and 1 for 4 scores,respectively.The result of Meta-analysis showed that the combined the odds ratio (OR) of PM2.5 with childhood asthma attack was 1.06,and 95％ confidence interval(CI) was 1.03-1.08.Subgroup analysis showed that the OR on the asthma hospital visit equaled to 1.03 (95％ CI 1.01-1.06),and the OR on the asthma symptom equaled to 1.11 (95％ CI 1.06-1.16),moreover,subgroup analysis between developed and developing countries showed that the OR of the asthma on developing countries corresponded to 1.04 (95％ CI 1.02-1.06),and the OR of the asthma on developed countries corresponded to 1.06 (95％ CI 1.03-1.09).Conclusion There is a positive correlation between concentration of PM2.5 and asthma attack in children.
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SUMMARY Here we report a case of cervical spondylosis misdiagnosed as cerebral infarction .The pa-tient was a 55-year-old man with a one-day history of weakness in his right extremities .Brain magnetic resonance imaging ( MRI) showed no acute abnormality , cerevical MRI showed that cervical spondylisis , C4/5 , C5/6 disc herniation , spinal canal stenosis and compression of the spinal cord .Then the patient was transferred to the Department of Orthopaedics and underwent surgical treatment of cervical spondylo -sis.Followed-up for six months , the weakness of his right extremities returned to normal .
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Objective To explore the association between HbA1c and acute myocardial infarction(AMI) in youth. Methods Seventy-two AMI patients (≤44y) diagnosed during the period from January in 2009 to August in 2012 were enrolled and 79 young age-matched adults without coronary artery disease at the same period were enrolled to be control group. The relationship between HbA1c, fasting blood-glucose(FBG) and AMI was explored. Results (1)Compared with the control group,the plasma FBG and HbA1C value were significantly higher(P<0.05) in AMI group. (2)Logistic regression analysis showed that HbA1c is the independent risk factor for AMI in youth. (3)In AMI group, the HbA1c level in single vessel disease had remarkable difference with that in double vessel disease and triple vessel disease(P<0.05). Conclusions Increasing HbA1c level is the independent risk factor for AMI in youth,and positively correlated with the degree of coronary artery lesions. Primary intervention of glycometabolism abnormality possibly becomes the new opinion for prevention and cure of AMI.
ABSTRACT
Death following situations of intense emotional stress has been linked to the cardiac pathology described as stress cardiomyopathy, whose pathomechanism is still not clear. In this study, we sought to determine, via an animal model, whether the transcriptional coactivator peroxisome proliferator-activated receptor γ coactivator-1alpha (PGC-1α) and the amino peptide neuropeptide Y (NPY) play a role in the pathogenesis of this cardiac entity. Male Sprague-Dawley rats in the experimental group were subjected to immobilization in a plexy glass box for 1 h, which was followed by low voltage electric foot shock for about 1 h at 10 s intervals in a cage fitted with metallic rods. After 25 days the rats were sacrificed and sections of their hearts were processed. Hematoxylin-eosin staining of cardiac tissues revealed the characteristic cardiac lesions of stress cardiomyopathy such as contraction band necrosis, inflammatory cell infiltration and fibrosis. The semi-quantitative RT-PCR analysis for PGC-1α mRNA expression showed significant overexpression of PGC1-α in the stress-subjected rats (P<0.05). Fluorescence immunohistochemistry revealed a higher production of NPY in the stress-subjected rats as compared to the control rats (P=0.0027). Thus, we are led to conclude that following periods of intense stress, an increased expression of PGC1-α in the heart and an overflow of NPY may lead to stress cardiomyopathy and even death in susceptible victims. Moreover, these markers can be used to identify stress cardiomyopathy as the cause of sudden death in specific cases.
ABSTRACT
Death following situations of intense emotional stress has been linked to the cardiac pathology described as stress cardiomyopathy, whose pathomechanism is still not clear. In this study, we sought to determine, via an animal model, whether the transcriptional coactivator peroxisome proliferator-activated receptor γ coactivator-1alpha (PGC-1α) and the amino peptide neuropeptide Y (NPY) play a role in the pathogenesis of this cardiac entity. Male Sprague-Dawley rats in the experimental group were subjected to immobilization in a plexy glass box for 1 h, which was followed by low voltage electric foot shock for about 1 h at 10 s intervals in a cage fitted with metallic rods. After 25 days the rats were sacrificed and sections of their hearts were processed. Hematoxylin-eosin staining of cardiac tissues revealed the characteristic cardiac lesions of stress cardiomyopathy such as contraction band necrosis, inflammatory cell infiltration and fibrosis. The semi-quantitative RT-PCR analysis for PGC-1α mRNA expression showed significant overexpression of PGC1-α in the stress-subjected rats (P<0.05). Fluorescence immunohistochemistry revealed a higher production of NPY in the stress-subjected rats as compared to the control rats (P=0.0027). Thus, we are led to conclude that following periods of intense stress, an increased expression of PGC1-α in the heart and an overflow of NPY may lead to stress cardiomyopathy and even death in susceptible victims. Moreover, these markers can be used to identify stress cardiomyopathy as the cause of sudden death in specific cases.