Comparative Analysis of Out-of-Hospital Cardiac Arrest Outcomes in Health Clinics, Nursing Homes, and Public Places: Implications for Optimizing Automated External Defibrillator Strategies.

Purpose: Various factors, such as event location and response time, influence the outcomes of out-of-hospital cardiac arrest (OHCA). Very few studies have explored the delivery of basic life support (BLS) to patients having OHCA at health clinics or nursing homes-settings with professional BLS providers. Thus, in this study, we compared prognostic and survival outcomes between health clinics, nursing homes, and other public places (eg, workplaces and sports facilities/recreational areas) to offer insights for optimizing OHCA outcomes. Patients: This study included adults who had nontraumatic OHCA in Taoyuan City between January 2017 and December 2022. Methods: We collected data on patient characteristics, emergency medical service parameters, onsite patient management, automated external defibrillator (AED) locations, OHCA prognosis, and survival outcomes. Multivariate analyses were performed to predict survival to discharge (primary outcome) and neurological outcomes at discharge (secondary outcome). Results: During the study period, the numbers of OHCA events at health clinics, nursing homes, and other public places were 158, 208, and 1986, respectively. The mean age of OHCA in health medical clinics, nursing home and other public places were 63.4, 81.5 and 64.7, respectively (P value<0.001). The proportion of witnessed events, rate of bystander resuscitation, and frequency of AED utilization were the highest for health clinics (53.2% (84/158), 83.4% (132/158), and 13.3% (21/158), respectively, P value<0.001). The average AED-scene distances and response times were the lowest for health clinics (388.8 m and 5.4 min, respectively). In initial shockable rhythm group, the probabilities of survival to discharge at discharge were the highest for health clinics (aOR=1.41, 95% CI=1.04-1.81, P value=0.041)) and lowest for nursing homes (aOR=0.84, 95% CI=0.76-0.93, P value=0.024). Conclusion: Our research shows that OHCA patients at medical health clinics have higher rates of witnessing and bystander CPR and AED usage than other public places. However, while survival rates for patients with shockable rhythms are slightly better at health clinics, the neurological outcomes are not significantly different. The AED-scene distances are too far to be used effectively.

Successful lung transplantation for artificial stone-associated accelerated silicosis: a case report.

This report focuses on the occupational health risks associated with the use of artificial stones containing high levels of crystalline silica in the production of kitchen countertops. It presents the case of a 43-yr-old man who developed severe silicosis due to his occupation involving cutting and polishing quartz stone raw materials. A retrospective analysis of the patient's medical records and occupational history was conducted. The diagnosis of severe silicosis, moderate restrictive lung disease, and bilateral pneumothorax was based on clinical manifestations, pulmonary function test, radiological findings, and histological reports. The patient underwent lung transplantation, and his pulmonary function improved post-surgery. The study highlights the significant health risks associated with procedures involving artificial stones and emphasizes the importance of awareness and protective measures for employees and workers. Clinicians should be cautious when diagnosing respiratory symptoms in patients with a history of occupational exposure to artificial stones containing high levels of crystalline silica.

The effectiveness of teaching chest compression first in a standardized public cardiopulmonary resuscitation training program.

Effectiveness of bystander cardiopulmonary resuscitation (CPR) is known to provide emergency medical services which reduce the number of deaths in patients with out-of-hospital cardiac arrest. The survival at these patients is affected by the training level of the bystander, but the best format of CPR training is unclear. In this pilot study, we aimed to examine whether the sequence of CPR instruction improves learning retention on the course materials.A total of 95 participants were recruited and divided into 2 groups; Group 1: 49 participants were taught firstly how to recognize a cardiac arrest and activate the emergency response system, and Group 2: 46 participants were taught chest compression first. The performance of participants was observed and evaluated, the results from 1 pre-test and 2 post-tests between 2 groups were then compared.There was a significantly better improvement of participants in Group 2 regarding the recognition of a cardiac arrest and the activation of the emergency response system than of those in Group 1. At the post-test, participants in Group 2 had an improvement in chest compression compared to those in Group 1, but the difference was not statistically significant.Our study had revealed that teaching CPR first in a standardized public education program had improved the ability of participants to recognize cardiac arrest and to activate the emergency response system.

Risk of gastrointestinal perforation in patients taking oral fluoroquinolone therapy: An analysis of nationally representative cohort.

BACKGROUND: Fluoroquinolone is a commonly prescribed antimicrobial agent, and up to 20% of its users registers adverse gastroenterological symptoms. We aimed to evaluate the association between use of fluoroquinolone and gastrointestinal tract perforation. METHODS: We conducted a nested case-control study on a national health insurance claims database between 1998 and 2011. The use of fluoroquinolones was classified into current (< 60 days), past (61-365 days prior to the index date) and any prior year use of fluoroquinolones. We used the conditional logistic regression model to estimate rate ratios (RRs), adjusting or matching by a disease risk score (DRS). RESULTS: We identified a cohort of 17,510 individuals diagnosed with gastrointestinal perforation and matched them to 1,751,000 controls. Current use of fluoroquinolone was associated with the greatest increase in risk of gastrointestinal perforations after DRS score adjustment (RR, 1.90; 95% CI, 1.62-2.22). The risk of gastrointestinal perforation was attenuated for past (RR, 1.33; 95% CI, 1.20-1.47) and any prior year use (RR, 1.46; 95% CI, 1.34-1.59). To gain insights into whether the observed association can be explained by unmeasured confounder, we compared the risk of gastrointestinal perforation between fluoroquinolone and macrolide. Use of macrolide, an active comparator, was not associated with a significant increased risk of gastrointestinal perforation (RR, 1.11, 95%CI, 0.15-7.99). Sensitivity analysis focusing on perforation requiring in-hospital procedures also demonstrated an increased risk associated with current use. To mitigate selection bias, we have also excluded people who have never used fluoroquinolone before or people with infectious colitis, enteritis or gastroenteritis. In both of the analysis, a higher risk of gastrointestinal perforation was still associated with the use of fluoroquinolone. CONCLUSIONS: We found that use of fluoroquinolones was associated with a non-negligible increased risk of gastrointestinal perforation, and physicians should be aware of this possible association.

Predicting emergency departments visit rates from septicemia in Taiwan using an age-period-cohort model, 1998 to 2012.

The aim of this study was to determine the age-period-cohort (APC) effects on the rate of infection-related emergency department (ED) visits from septicemia for predicting the same in recent periods.In our study, we investigated the longitudinal trends in septicemia-related visit rates. Using an APC model to decompose the septicemia visit rates into the effects of age, time period, and cohort, and examine whether their effects varied by sex.The septicemia ED visit rate was classified as the International Classification of Disease Code 038 by primary and secondary diagnosis between 1998 and 2012.In both males and females, the visit rate of septicemia showed an increase from 2003 through 2012. An increase in septicemia visit rate after 2003 was observed in all age groups. An APC model indicated a reversal increasing period effect, which increased prominently from 2003 to 2012 in both males and females. The age effect showed an increasing trend. The cohort effect tended to show a slight oscillation from 1913 to 1988. With reference to the prediction of the logarithms of the age-specific 5-year visit rates, we observed that the younger cohorts exhibited a slightly increasing trend, as compared to the older cohorts.The period effect can explain the increase in septicemia visit rates, suggesting the role of screening for septicemia. Furthermore, it is well known that aging is a relevant risk variable for infectious diseases. The present study concludes that the aged population exhibited a strong increasing future trend for septicemia-related ED visit rates.

Angiotensin-Converting Enzyme Inhibitors and Active Tuberculosis: A Population-Based Study.

Numerous epidemiological data suggest that the use of angiotensin-converting enzyme inhibitors (ACEis) can improve the clinical outcomes of pneumonia. Tuberculosis (TB) is an airborne bacteria like pneumonia, and we aimed to find out whether the use of ACEis can decrease the risk of active TB.We conducted a nested case-control analysis by using a 1 million longitudinally followed cohort, from Taiwan national health insurance research database. The rate ratios (RRs) for TB were estimated by conditional logistic regression, and adjusted using a TB-specific disease risk score (DRS) with 71 TB-related covariates.From January, 1997 to December, 2011, a total of 75,536 users of ACEis, and 7720 cases of new active TB were identified. Current use (DRS adjusted RR, 0.87 [95% CI, 0.78-0.97]), but not recent and past use of ACEis, was associated with a decrease in risk of active TB. Interestingly, it was found that chronic use (>90 days) of ACEis was associated with a further decrease in the risk of TB (aRR, 0.74, [95% CI, 0.66-0.83]). There was also a duration response effect, correlating decrease in TB risk with longer duration of ACEis use. The decrease in TB risk was also consistent across all patient subgroups (age, sex, heart failure, cerebrovascular diseases, myocardial infraction, renal diseases, and diabetes) and patients receiving other cardiovascular medicine.In this large population-based study, we found that subjects with recent and chronic use of ACEis were associated with decrease in TB risk.

Successful Extracorporeal Life Support in a Case of Severe Glyphosate-Surfactant Intoxication.

OBJECTIVE: To describe the experience of emergency extracorporeal membrane oxygenation in treating life-threatening glyphosate-surfactant intoxication. DESIGN: Case report. SETTING: Emergency department and ICU. PATIENT: A patient with cardiopulmonary failure after glyphosate-surfactant intoxication. INTERVENTION: Extracorporeal membrane oxygenation. CASE REPORT: A 47-year-old man presented with mildly decreased consciousness in our emergency department after ingesting approximately 100 mL of glyphosate-surfactant 1.5 hours previously. Respiratory failure, persistent ventricular tachycardia, profound shock refractory to inotropic agents, and metabolic acidosis developed in the patient within 2 hours. Extracorporeal membrane oxygenation was applied within 4 hours of cardiopulmonary failure. The patient's condition improved considerably. He was transferred to the general ward on the eighth day with stable hemodynamic status and complete neurological recovery. CONCLUSIONS: On the basis of our research, this was the first case in which extracorporeal membrane oxygenation was used to treat severe glyphosate-surfactant intoxication. We recommend early initiation of extracorporeal membrane oxygenation therapy to mitigate cardiopulmonary compromise in patients with glyphosate-surfactant intoxication.

Does procalcitonin, C-reactive protein, or interleukin-6 test have a role in the diagnosis of severe infection in patients with febrile neutropenia? A systematic review and meta-analysis.

PURPOSE: The study aims to determine the usefulness of procalcitonin (PCT) and other blood markers for identification of bacterial infection among patients with febrile neutropenia (FN). METHODS: The Medline, EMBASE, and Cochrane databases were searched for articles from 1966 to December 2012. We performed a search to identify articles that examined the diagnostic accuracy of PCT in patients with FN. Statistical analyses (fixed- or random-effect models) were conducted to summarize and calculate the sensitivity, specificity, likelihood ratios, and 95 % confidence intervals (CIs). RESULTS: Twenty-seven studies were included (1960 febrile episodes) for PCT analysis, 13 (1712 febrile episodes) for C-reactive protein (CRP) analysis, and five (314 febrile episodes) for interleukin (IL)-6 analysis. Increased PCT levels (odds ratio [OR] 11.5; 95 % CI 7.6 to 17.3), raised CRP levels (3.3; 2.7 to 4.2), and raised IL-6 levels (10.0; 5.5 to 18.0) were significantly associated with bacterial infection. Overall positive likelihood ratio was 5.49 (4.04-7.45) for PCT, 1.82 (1.42-2.33) for CRP, and 3.68 (2.41-5.60) for IL-6. Overall negative likelihood ratio was 0.40 (0.31-0.51) for PCT, 0.40 (0.26-0.61) for CRP, and 0.33 (0.23-0.46) for IL-6. CONCLUSIONS: Of the three potentially useful markers, PCT had the best positive likelihood ratio and can be used to confirm the diagnosis of bacterial infections in patients with FN. Due to unacceptably high negative likelihood ratio, medical decision for stopping antibiotics based on PCT alone in this high-risk population may not be possible.

Comparison of 3 scoring systems to predict mortality from unstable upper gastrointestinal bleeding in cirrhotic patients.

OBJECTIVE: We aimed to compare the performance of Glasgow-Blatchford, preendoscopic Rockall, and model for end-stage liver disease (MELD) scores in cirrhotic patients with unstable upper gastrointestinal bleeding (UGIB) in the emergency department (ED). METHODS: This was a retrospective cohort study conducted at a university-affiliated teaching hospital. Adult cirrhotic patients who presented with acute UGIB and unstable vital signs (heart rate >100 beats/min or systolic blood pressure <100 mm Hg) between January 2009 and February 2011 were included. Patients who were transferred from another hospital, received no emergency endoscopy study, or had incomplete medical records were excluded. Data were retrieved from the admission list of the ED critical zone using international classification of disease code via computer registration. RESULTS: Among enrolled visits, the initial median hemoglobin level was 8.6 (interquartile range, 7.2-10.1) mg/dL in the ED. The median heart rate and systolic blood pressure were 111.0 beats/min and 94.0 mm Hg, respectively. The endoscopic diagnosis of variceal bleeding accounted for 86.6% of the events. The mortality rate was 16.0% (19/119). Model for end-stage liver disease score performed better with an area under the curve (AUC) of 0.736 (95% confidence interval [CI], 0.629-0.842; P = .001) compared with other scoring systems (Glasgow-Blatchford score: AUC, 0.527; 95% CI, 0.393-0.661; P = .709; preendoscopic Rockall score: AUC, 0.591; 95% CI, 0.465-0.717; P = .208). CONCLUSION: Model for end-stage liver disease score performed better in terms of predicting mortality of unstable UGIB in cirrhotic patients compared with Glasgow-Blatchford and preendoscopic Rockall scores in the ED.

Role of procalcitonin in the diagnosis of infective endocarditis: a meta-analysis.

BACKGROUND: Infective endocarditis (IE) is a diagnostic challenge. We aimed to systemically summarize the current evidence on the diagnostic value of procalcitonin (PCT) in identifying IE. METHODS: We searched EMBASE, MEDLINE, Cochrane database, and reference lists of relevant articles with no language restrictions through September 2012 and selected studies that reported the diagnostic performance of PCT alone or compare with other biomarkers to diagnose IE. We summarized test performance characteristics with the use of forest plots, hierarchical summary receiver operating characteristic curves, and bivariate random effects models. RESULTS: We found 6 qualifying studies that included 1006 episodes of suspected infection with 216 (21.5%) confirmed IE episodes from 5 countries. Bivariate pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios were 64% (95% confidence interval [CI], 52%-74%), 73% (95% CI 58%-84%), 2.35 (95% CI 1.40-3.95), and 0.50 (95% CI 0.35-0.70), respectively. Of the 5 studies examining C-reactive protein (CRP), the pooled sensitivity, specificity, positive likelihood ratios, and negative likelihood ratios were 75% (95% CI 62%-85%), 73% (95% CI 61%-82%), 2.81 (95% CI 1.70-4.65), and 0.34 (95% CI 0.19-0.60), respectively. The global measures of accuracy, area under the receiver operating characteristic curve (AUC) and diagnostic odds ratio (dOR), showed CRP (AUC 0.80, dOR 8.55) may have higher accuracy than PCT (AUC 0.71, dOR 4.67) in diagnosing IE. CONCLUSIONS: Current evidence does not support the routine use of serum PCT or CRP to rule in or rule out IE in patients suspected to have IE.