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Background Although targeted temperature management (TTM) is recommended in comatose survivors after cardiac arrest (CA), the optimal method to deliver TTM remains unknown. We performed a meta-analysis to evaluate the effects of different TTM methods on survival and neurological outcome after adult CA. Methods We searched on the MEDLINE/PubMed database until 22 February 2019 for comparative studies that evaluated at least two different TTM methods in CA patients. Data were extracted independently by two authors. We used the Newcastle-Ottawa Scale and a modified Cochrane ROB tools for assessing the risk of bias of each study. The primary outcome was the occurrence of unfavorable neurological outcome (UO); secondary outcomes included overall mortality. Results Our search identified 6886 studies; 22 studies ( n  = 8027 patients) were included in the final analysis. When compared to surface cooling, core methods showed a lower probability of UO (OR 0.85 [95% CIs 0.75–0.96]; p  = 0.008) but not mortality (OR 0.88 [95% CIs 0.62–1.25]; p  = 0.21). No significant heterogeneity was observed among studies. However, these effects were observed in the analyses of non-RCTs. A significant lower probability of both UO and mortality were observed when invasive TTM methods were compared to non-invasive TTM methods and when temperature feedback devices (TFD) were compared to non-TFD methods. These results were significant particularly in non-RCTs. Conclusions Although existing literature is mostly based on retrospective or prospective studies, specific TTM methods (i.e., core, invasive, and with TFD) were associated with a lower probability of poor neurological outcome when compared to other methods in adult CA survivors (CRD42019111021).

BackgroundSex differences in out-of-hospital cardiac arrest (OHCA) have been studied in adults but remain poorly explored in younger populations. We aimed to assess sex differences in OHCA across age groups to provide a comprehensive overview.MethodsAll OHCA occurring between May 2011 and December 2018 in Paris and its suburbs were analysed. Primary outcomes included sex differences in OHCA characteristics and survival to hospital discharge across three age groups: paediatric patients (28 days-18years), young adults (18–35 years) and older adults (≥35 years). Secondary outcomes included aetiology and 1-month survival. Logistic regression was used to identify factors associated with OHCA in females versus males.ResultsAmong 18 767 OHCA cases, 6185 (33.0%) were females, 360 (1.92%) were paediatric patients, 1240 (6.61%) young adults and 17 167 (91.5%) older adults.In paediatric patient, male were older (6.00 vs 2.78 years, p=0.029) and had shorter no-flow times (5.00 vs 10.0 min, p=0.007). Among young adults, OHCA in males occurred more often in public areas (61.9% vs 35.3%, p<0.001) and during sport (6.47% vs 1.53%, p<0.001); females had shorter no-flow time (3.00 vs 5.00 min, p=0.035). In older adults, males were younger (64.3 vs 71.8 years, p<0.001), more shocked (40.2% vs 23.7%, p<0.001) and more commonly managed with amiodarone (16.5% vs 8.11%, p<0.001). OHCA in males occurred more often in public areas (33.9% vs 19.8%, p<0.001) and during sport (1.94% vs 0.30%, p<0.001).After adjustment, females underwent coronary angiography less often (OR (95% CI) 0.54 (0.46 to 0.64)). Survival to hospital discharge was lower in females across all age groups, reaching statistical significance in older adults (6.23% vs 9.37%, p<0.001).ConclusionsSex differences in OHCA characteristics and outcomes were observed across all age groups and became more pronounced with increasing age, consistently indicating a better prognosis for males.

Purpose Characteristics of acute kidney injury (AKI) occurring after out-of-hospital cardiac arrest (OHCA) are incompletely described. We aimed to evaluate the prevalence of AKI, identifying risk factors and assessing the impact of AKI on outcome after OHCA. Methods Single-center study between 2007 and 2012 in a cardiac arrest center in Paris, France. All consecutive OHCA patients with at least one weight measurement and one serum creatinine level available and treated by therapeutic hypothermia were included, except those with chronic kidney disease and those dead on arrival. AKI was defined as stage 3 of the Acute Kidney Injury Network (AKIN) classification. Main outcome was day-30 mortality. Factors associated with AKI occurrence and day-30 mortality were evaluated by logistic regression. Results 580 patients (71.3 % male, median age 59.3 years, initial shockable rhythm in 56.9 % of cases) were included in the analysis. AKI stage 3 occurred in 280 (48.3 %) patients. Age, male gender, resuscitation duration, post-resuscitation shock, public setting, and initial rhythm were associated with AKI stage 3. AKI stage 3 was associated with a significantly higher day-30 mortality rate [OR 1.60; 95 % CI (1.05, 2.43); p  = 0.03]. No independent association between AKI and neurologic outcome was observed. At day 30, 67 patients had a normal kidney function (eGFR >75 mL/min/1.73 m 2 ), and five remained dialysis-dependent. Patients with eGFR higher than 75 mL/min/1.73 m 2 at day 30 were younger and more frequently male. Conclusion AKI stage 3 was frequent after OHCA and was associated with poorer outcome. Improvement strategies in post-resuscitation care should consider AKI as a potential target of treatment.

Background Bloodstream infections (BSIs) are frequent on veno-arterial extracorporeal membrane oxygenation (V-A ECMO). Performing routine blood cultures (BCs) may identify early paucisymptomatic BSIs. We investigated the contribution of systematic daily BCs to detect BSIs on V-A ECMO. Methods This was a retrospective study including all adult patients requiring V-A ECMO and surviving more than 24 h. Our protocol included routine daily BCs, from V-A ECMO insertion up to 5 days after withdrawal; other BCs were performed on-demand. Results On the 150 V-A ECMO included, 2146 BCs were performed (1162 routine and 984 on-demand BCs); 190 (9%) were positive, including 68 contaminants. Fifty-one (4%) routine BCs revealed BSIs; meanwhile, 71 (7%) on-demand BCs revealed BSIs ( p  = 0.005). Performing routine BCs was negatively associated with BSIs diagnosis (OR 0.55, 95% CI [0.38; 0.81], p  = 0.002). However, 16 (31%) BSIs diagnosed by routine BCs would have been missed by on-demand BCs. Independent variables for BSIs diagnosis after routine BCs were: V-A ECMO for cardiac graft failure (OR 2.43, 95% CI [1.20; 4.92], p  = 0.013) and sampling with on-going antimicrobial therapy (OR 2.15, 95% CI [1.08; 4.27], p  = 0.029) or renal replacement therapy (OR 2.05, 95% CI [1.10; 3.81], p  = 0.008). Without these three conditions, only two BSIs diagnosed with routine BCs would have been missed by on-demand BCs sampling. Conclusions Although routine daily BCs are less effective than on-demand BCs and expose to contamination and inappropriate antimicrobial therapy, a policy restricted to on-demand BCs would omit a significant proportion of BSIs. This argues for a tailored approach to routine daily BCs on V-A ECMO, based on risk factors for positivity.

Introduction The influence of blood glucose (BG) level during the post-resuscitation period after out-of-hospital cardiac arrest (OHCA) is still debated. To evaluate the relationship between blood glucose level and outcome, we included the median glycemia and its maximal amplitude over the first 48 h following ICU admission in an analysis of outcome predictors. Methods We conducted a database study in a cardiac arrest center in Paris, France. Between 2006 and 2010, we included 381 patients who were all resuscitated from an OHCA. A moderate glycemic control was applied in all patients. The median glycemia and the largest change over the first 48 h were included in a multivariate analysis that was performed to determine parameters associated with a favorable outcome. Results Of the 381 patients, 136 (36 %) had a favorable outcome (CPC 1–2). Median BG level was 7.6 mmol/L (6.3–9.8) in patients with a favorable outcome compared to 9.0 mmol/L (IQR 7.1–10.6) for patients with an unfavorable outcome ( p  < 0.01). Median BG level variation was 7.1 (4.2–11) and 9.6 (5.9–13.6) mmol/L in patients with and without a favorable outcome, respectively ( p  < 0.01). In multivariate analysis, an increased median BG level over the first 48 h was found to be an independent predictor of poor issue [OR = 0.43; 95 % CI (0.24–0.78), p  = 0.006]. Finally a progressive increase in median BG level was associated with a progressive increase in the proportion of patients with a poor outcome. Conclusion We observed a relationship between high blood glucose level and outcome after cardiac arrest. These results suggest the need to test a strategy combining both control of glycemia and minimization of glycemic variations for its ability to improve post-resuscitation care.

Patients discharged from intensive care units (ICUs) are at high risk of adverse long-term outcomes including cardiovascular and/or renal events and a 1-year mortality of approximately 22%. Plasma biomarkers measured at ICU discharge have demonstrated strong prognostic value, with elevated cardiac or renal biomarkers identifying patients at particularly high risk of poor outcomes. Sodium-glucose cotransporter 2 inhibitors are now widely recognised for their cardioprotective and nephroprotective effects in chronic conditions such as type 2 diabetes, heart failure or chronic kidney disease. These agents improve both morbidity and mortality across a range of high-risk populations. We hypothesise that a therapeutic strategy aimed at preventing the progression of cardiovascular and/or renal injury following ICU discharge may improve long-term outcomes in ICU survivors. This is a multicentre, double-blind, randomised, placebo-controlled clinical trial conducted across 16 teaching and non-teaching ICUs in France. We will enrol 600 adult patients (18 years of age or older) who have received mechanical ventilation and/or vasopressors for at least 24 hours during their ICU stay, and who meet at least one of the following criteria at ICU discharge: N-terminal pro-B-type natriuretic peptide (NT-proBNP) >800 pg/mL or BNP >90 ng/L, an estimated glomerular filtration rate between 25 and 90 mL/min/m². Eligible patients will be randomised in a 1:1 ratio to receive either dapagliflozin (10 mg once daily) or a matching placebo for a duration of 1 year. The primary outcome is a composite endpoint assessed at 1 year after randomisation, comprising: all-cause mortality, unscheduled hospitalisation for acute heart failure and decrease in renal function. Feasibility will be assessed based on patient and clinical acceptability and recruitment performance, including enrolment rates across participating centres. This study has been approved by the Institutional Review Board (CPP Ile-de-France 5). Written informed consent will be obtained from all participants prior to enrolment and the initiation of any study-related procedures. Dapagliflozin is a widely available medication with an established safety profile. If proven effective, it would represent a readily deployable strategy to improve long-term outcomes in ICU survivors. The study is described in accordance with the Standard Protocol Items: Recommendations for Interventional Trials framework, and key design features and methodological decisions are outlined accordingly. DAPA-ICU aims to evaluate the efficacy of dapagliflozin in cardiorenal protection among critically ill patients following ICU discharge. The main trial results will be submitted for publication in a peer-reviewed journal as soon as they become available after final analysis. NCT07025629.

Background Accidental hypothermia designates an unintentional drop in body temperature below 35 °C. There is a major risk of ventricular fibrillation below 28 °C and cardiac arrest is almost inevitable below 24 °C. In such cases, conventional cardiopulmonary resuscitation is often inefficient. In urban areas with temperate climates, characterized by mild year-round temperatures, the outcome of patients with refractory hypothermic out-of-hospital cardiac arrest (OHCA) treated with extracorporeal cardiopulmonary resuscitation (ECPR) remains uncertain. Methods We conducted a retrospective monocentric observational study involving patients admitted to a university hospital in Paris, France. We reviewed patients admitted between January 1, 2011 and April 30, 2022. The primary outcome was survival at 28 days with good neurological outcomes, defined as Cerebral Performance Category 1 or 2. We performed a subgroup analysis distinguishing hypothermic refractory OHCA as either asphyxic or non-asphyxic. Results A total of 36 patients were analysed, 15 of whom (42%) survived at 28 days, including 13 (36%) with good neurological outcomes. Within the asphyxic subgroup, only 1 (10%) patient survived at 28 days, with poor neurological outcomes. A low-flow time of less than 60 min was not significantly associated with good neurological outcomes (P = 0.25). Prehospital ECPR demonstrated no statistically significant difference in terms of survival with good neurological outcomes compared with inhospital ECPR (P = 0.55). Among patients treated with inhospital ECPR, the HOPE score predicted a 30% survival rate and the observed survival was 6/19 (32%). Conclusion Hypothermic refractory OHCA occurred even in urban areas with temperate climates, and survival with good neurological outcomes at 28 days stood at 36% for all patients treated with ECPR. We found no survivors with good neurological outcomes at 28 days in submersed patients.

IntroductionStatus epilepticus (SE) is a common life-threatening neurological emergency that can cause long-term impairments. Overall outcomes remain poor. Major efforts are required to clarify the epidemiology of SE and the determinants of outcomes, thereby identifying targets for improved management.Methods and analysisICTAL Registry is a multicentre open cohort of critically ill patients with convulsive, non-convulsive or psychogenic non-epileptic SE. Observational methods are applied to collect uniform data. The goal of the ICTAL Registry is to collect high-quality information on a large number of patients, thereby allowing elucidation of the pathophysiological mechanisms involved in mortality and morbidity. The registry structure is modular, with a large core data set and the opportunity for research teams to create satellite data sets for observational or interventional studies (eg, cohort multiple randomised controlled trials, cross-sectional studies and short-term and long-term longitudinal outcome studies). The availability of core data will hasten patient recruitment to studies, while also decreasing costs. Importantly, the vast amount of data from a large number of patients will allow valid subgroup analyses, which are expected to identify patient populations requiring specific treatment strategies. The results of the studies will have a broad spectrum of application, particularly given the multidisciplinary approach used by the IctalGroup research network.Ethics and disseminationThe ICTAL Registry protocol was approved by the ethics committee of the French Intensive Care Society (#CE_SRLF 19-68 and 19-68a). Patients or their relatives/proxies received written information to the use of the retrospectively collected and pseudonymised data, in compliance with French law. Prospectively included patients receive written consent form as soon as they recover decision-making competency; if they refuse consent, they are excluded from the registry. Data from the registry will be disseminated via conference presentations and peer-reviewed publications.Trial registration numberNCT03457831.

We sought to evaluate frequency, characteristics, and outcomes of sudden cardiac arrest (SCA) during sports activities according to the location of occurrence (in sports facilities vs those occurring outside of sports facilities). This is an observational 5-year prospective national French survey of subjects 10 to 75 years old presenting with SCA during sports (2005-2010), in 60 French administrative regions (covering a population of 35 million people). Of the 820 SCA during sports, 426 SCAs (52%) occurred in sports facilities. Overall, a substantially higher survival rate at hospital discharge was observed among SCA in sports facilities (22.8%, 95% CI 18.8-26.8) compared to those occurring outside (8.0%, 95% CI 5.3-10.7) (P < .0001). Patients with SCA in sports facilities were younger (42.1 vs 51.3 years, P < .0001) and less frequently had known cardiovascular diseases (P < .0001). The events were more often witnessed (99.8% vs 84.9%, 0.0001), and bystander cardiopulmonary resuscitation was more frequently initiated (35.4% vs 25.9%, P = .003). Delays of intervention were significantly shorter when SCA occurred in sports facilities (9.3 vs 13.6, P=0.03), and the proportion of initially shockable rhythm was higher (58.8% vs 33.1%, P < .0001). Better survival in sports facilities was mainly explained by concomitant circumstances of occurrence (adjusted odds ratio 1.48, 95% CI 0.88-2.49, P = .134). Sports-related SCA is not a homogeneous entity. The 3-fold higher survival rate reported among sports-related SCA is mainly due to cases that occur in sports facilities, whereas SCA during sports occurring outside of sports facilities has the usual very low rate of survival.