SynthesisPloS one2016
Gender Differences in Appropriate Shocks and Mortality among Patients with Primary Prophylactic Implantable Cardioverter-Defibrillators: Systematic Review and Meta-Analysis.
Synthesis in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
20 citing papers in PubMed, 1 synthesis or guideline pooled it, 40 citations in OpenAlex.
- Predictors of mortality and ICD shock therapy in primary prophylactic ICD patients-A systematic review and meta-analysis.PloS one · 2017Pooled it
- Social Determinants of Health-Related Outcomes in an Intervention Following Initial Implantable Cardioverter-Defibrillator Implantation.Journal of the American Heart Association · 2025Trial
- Sex-specific trends in ventricular arrhythmias among European implantable cardioverter-defibrillator recipients.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026Article
- Exploring Sex and Clinical Factors Associated with Long-Term Survival After Implantable Cardioverter-Defibrillator Implantation: A 10-Year Cohort Study.Journal of clinical medicine · 2026Article
- Predictors and Prognostic Significance of Appropriate Implantable Cardioverter-Defibrillator Therapy in Primary Prevention Patients with Ischemic Cardiomyopathy.Journal of clinical medicine · 2026Article
- Gender Disparities in Ischemic Heart Disease Management: Underdiagnosis in Women and Differences in Treatment.Cureus · 2025Review
- Incidence and risk factors for first and recurrent ICD shock therapy in patients with an implantable cardioverter defibrillator.Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2025Article
- Sex differences among subcutaneous implantable cardioverter-defibrillator recipients: a propensity-matched, multicentre, international analysis from the i-SUSI project.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2024Observational
- "Real-world" analysis of battery longevity of implantable cardioverter-defibrillators: an in-depth analysis of a prospective defibrillator database.BMC cardiovascular disorders · 2023Article
- Sex-Related Differences in Patient Selection for and Outcomes after Pace and Ablate for Refractory Atrial Fibrillation: Insights from a Large Multicenter Cohort.Journal of clinical medicine · 2022Article
- Predictors of primary prevention implantable cardioverter-defibrillator use in heart failure with reduced ejection fraction: impact of the predicted risk of sudden cardiac death and all-cause mortality.European journal of heart failure · 2022Article
- Sex Differences in the Risk of First and Recurrent Ventricular Tachyarrhythmias Among Patients Receiving an Implantable Cardioverter-Defibrillator for Primary Prevention.JAMA network open · 2022Article
- Underrepresentation of women in implantable cardioverter defibrillator trials.American heart journal plus : cardiology research and practice · 2022Article
- Review
- European Heart Rhythm Association (EHRA)/Heart Rhythm Society (HRS)/Asia Pacific Heart Rhythm Society (APHRS)/Latin American Heart Rhythm Society (LAHRS) expert consensus on risk assessment in cardiac arrhythmias: use the right tool for the right outcome, in the right population.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2020Article
- Review
- Sex difference in inappropriate therapy and survival among 1471 implantable cardioverter-defibrillator recipients.Journal of cardiovascular electrophysiology · 2019Observational
- Rationale and design of the EU-CERT-ICD prospective study: comparative effectiveness of prophylactic ICD implantation.ESC heart failure · 2019Observational
- Sex differences in outcomes of primary prevention implantable cardioverter-defibrillator therapy: combined registry data from eleven European countries.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2018Article
- Gender differences in the use of primary prevention ICDs in New Zealand patients with heart failure.Heart Asia · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundSome but not all prior studies have shown that women receiving a primary prophylactic implantable cardioverter defibrillator (ICD) have a lower risk of death and appropriate shocks than men. PURPOSE: To evaluate the effect of gender on the risk of appropriate shock, all-cause mortality and inappropriate shock in contemporary studies of patients receiving a primary prophylactic ICD. DATA SOURCE: PubMed, LIVIVO, Cochrane CENTRAL between 2010 and 2016. STUDY SELECTION: Studies providing at least 1 gender-specific risk estimate for the outcomes of interest. DATA EXTRACTION: Abstracts were screened independently for potentially eligible studies for inclusion. Thereby each abstract was reviewed by at least two authors. DATA SYNTHESIS: Out of 680 abstracts retained by our search strategy, 20 studies including 46'657 patients had gender-specific information on at least one of the relevant endpoints. Mean age across the individual studies varied between 58 and 69 years. The proportion of women enrolled ranged from 10% to 30%. Across 6 available studies, women had a significantly lower risk of first appropriate shock compared with men (pooled multivariable adjusted hazard ratio 0.62 (95% CI [0.44; 0.88]). Across 14 studies reporting multivariable adjusted gender-specific hazard ratio estimates for all-cause mortality, women had a lower risk of death than men (pooled hazard ratio 0.75 (95% CI [0.66; 0.86]). There was no statistically significant difference for the incidence of first inappropriate shocks (3 studies, pooled hazard ratio 0.99 (95% CI [0.56; 1.73]). LIMITATIONS: Individual patient data were not available for most studies.
conclusionIn this large contemporary meta-analysis, women had a significantly lower risk of appropriate shocks and death than men, but a similar risk of inappropriate shocks. These data may help to select patients who benefit from primary prophylactic ICD implantation.
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