Publications by authors named "Martje Suverein"

Background: We aimed to estimate the effect of extracorporeal cardiopulmonary resuscitation (ECPR) on neurological outcome and mortality, when compared to conventional cardiopulmonary resuscitation (CCPR), using an individual patient data meta-analysis (IPDMA).

Methods: A systematic literature search was performed up to the 20th of October 2022 in the PubMed, EMBASE and CENTRAL databases. For observational studies with unmatched populations, a propensity score including age, location of arrest and initial rhythm was used to match ECPR and CCPR patients in a 1:1 ratio.

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Article Synopsis
  • A Bayesian meta-analysis was conducted to evaluate the effectiveness of extracorporeal cardiopulmonary resuscitation (ECPR) compared to conventional CPR in patients who had a cardiac arrest outside of the hospital, focusing on neurological outcomes after 6 months.
  • The analysis included data from three randomized trials, with ECPR involving 209 patients and conventional CPR involving 211 patients, and aimed to clarify the probability of clinically significant treatment effects rather than relying solely on p-values.
  • Results showed that ECPR had a median relative risk of 1.47 for neurologically favorable survival in all rhythms and 1.54 for patients with shockable rhythms, indicating a potential benefit, but with wide credible intervals suggesting uncertainty
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  • A study examined health-related quality of life (HRQoL) in patients who survived out-of-hospital cardiac arrest (OHCA) treated with either extracorporeal cardiopulmonary resuscitation (ECPR) or conventional CPR (CCPR) during the first year post-incident.
  • Out of 134 enrolled patients, only 20% survived to hospital discharge, with HRQoL assessed for 25 survivors using the EQ-5D-5L questionnaire, revealing 68% had good HRQoL after one year.
  • Although there was no significant statistical difference in HRQoL scores between ECPR and CCPR groups, results suggested that ECPR survivors experienced numerically better outcomes,
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Introduction: Extracorporeal cardiopulmonary resuscitation (ECPR) is increasingly used as a supportive treatment for refractory out-of-hospital cardiac arrest (OHCA). Still, there is a paucity of data evaluating favorable and unfavorable prognostic characteristics in patients considered for ECPR.

Methods: We performed a previously unplanned post-hoc analysis of the multicenter randomized controlled INCEPTION-trial.

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Aims: When out-of-hospital cardiac arrest (OHCA) becomes refractory, extracorporeal cardiopulmonary resuscitation (ECPR) is a potential option to restore circulation and improve the patient's outcome. However, ECPR requires specific materials and highly skilled personnel, and it is unclear whether increased survival and health-related quality of life (HRQOL) justify these costs.

Methods And Results: This cost-effectiveness study was part of the INCEPTION study, a multi-centre, pragmatic randomized trial comparing hospital-based ECPR to conventional CPR (CCPR) in patients with refractory OHCA in 10 cardiosurgical centres in the Netherlands.

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Background: Evidence for extracorporeal cardiopulmonary resuscitation (CPR) in refractory out-of-hospital cardiac arrest (OHCA) remains inconclusive. Recently, the INCEPTION-trial, comparing extracorporeal with conventional CPR, found no statistically significant difference in neurologically favorable survival. Since protocol deviations were anticipated, a pre-specified per-protocol analysis was foreseen.

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Aims: Previously, we performed the multicentre INCEPTION trial, randomizing patients with refractory out-of-hospital cardiac arrest (OHCA) to extracorporeal cardiopulmonary resuscitation (ECPR) or conventional cardiopulmonary resuscitation (CCPR). Frequentist analysis showed no statistically significant treatment effect for the primary outcome; 30-day survival with a favourable neurologic outcome (cerebral performance category score of 1-2). To facilitate a probabilistic interpretation of the results, we present a Bayesian re-analysis of the INCEPTION trial.

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Purpose Of Review: Extracorporeal cardiopulmonary resuscitation (ECPR) is an emerging treatment for refractory cardiac arrest. In recent years, several randomized controlled trials have been published that aimed to address the efficacy and effectiveness of ECPR for out-of-hospital cardiac arrest (OHCA). Despite the lack of high-quality evidence concerning clinical effectiveness and cost-effectiveness, ECPR is increasingly implemented throughout the world.

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Background: Extracorporeal cardiopulmonary resuscitation (ECPR), has demonstrated promise in the management of refractory out-of-hospital cardiac arrest (OHCA). However, evidence from observational studies and clinical trials are conflicting and the factors influencing outcome have not been well established.

Methods: We conducted a systematic review and meta-analysis summarizing the association between pre-ECPR prognostic factors and likelihood of good functional outcome among adult patients requiring ECPR for OHCA.

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Extracorporeal cardiopulmonary resuscitation is a promising treatment for refractory out-of-hospital cardiac arrest. Three recent randomized trials (ARREST trial, Prague OHCA study, and INCEPTION trial) that addressed the clinical benefit of extracorporeal cardiopulmonary resuscitation in out-of-hospital cardiac arrest yielded seemingly diverging results. The evidence for extracorporeal cardiopulmonary resuscitation in out-of-hospital cardiac arrest, derived from three recent randomized controlled trials, is not contradictory but rather complementary.

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Article Synopsis
  • Extracorporeal CPR is a method used to restore blood flow and oxygen to patients with cardiac arrest who don’t regain spontaneous circulation, but its effectiveness on survival and neurological outcomes is unclear.
  • A randomized trial in the Netherlands compared extracorporeal CPR with conventional CPR in patients aged 18 to 70 who experienced out-of-hospital cardiac arrest and received bystander CPR.
  • The results showed that after 30 days, 20% of patients in the extracorporeal CPR group had a favorable neurologic outcome compared to 16% in the conventional CPR group, indicating similar outcomes for both methods.
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The design of emergency medicine trials can raise several ethical concerns - risks may be greater, and randomisation may have to occur before consent. Research in emergency medicine is thus an illuminating context to explore the interplay between risk and randomisation, and the consequences for consent. Using a currently running trial, we describe possible concerns, considerations, and solutions to reconcile the conflicting interests of scientific inquiry, ethical principles, and clinical reality in emergency medicine research.

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Post-cardiotomy extracorporeal life support (PC-ECLS) has seen a substantial increase in use over the past 10 years. PC-ECLS can be a life-saving procedure and is mostly applied in the presence of unexpected, severe cardio-respiratory complication. Despite PC-ECLS being critical in allowing for organ recovery, it is unfortunately closely connected with an unpredictable outcomes, high morbidity, and, even in the case of cardiac function improvement, potential sustained disabilities that have a life-changing impact for the patient and his or her family.

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Unlabelled: Return of spontaneous circulation occurs in less than 10% of patients with cardiac arrest undergoing cardiopulmonary resuscitation (CPR) for more than 15 minutes. Studies suggest that extracorporeal life support during cardiopulmonary resuscitation (ECPR) improves survival rate in these patients. These studies, however, are hampered by their non-randomized, observational design and are mostly single-center.

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