Evidence map›Paper›PMID 41247546›Full record

SynthesisPediatric cardiology2026

Septal Myectomy in Pediatric Obstructive Hypertrophic Cardiomyopathy: A Systematic Review and Meta-analysis.

Anelise Poluboiarinov Cappellaro, Luiz Felipe Costa de Almeida, Ronaldo Altenburg Odebrecht Curi Gismondi, Rafael Ayala, Myat Soe Thet, Joseph A Dearani

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Pediatric cardiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Anelise Poluboiarinov CappellaroCentro Universitário Maurício de Nassau de Barreiras, Barreiras, Brazil.
Luiz Felipe Costa de AlmeidaDepartment of Medical Sciences, Universidade Federal Fluminense, Niterói, Brazil.
Ronaldo Altenburg Odebrecht Curi GismondiDepartment of Cardiology, Universidade Federal Fluminense, Niterói, Brazil.
Rafael AyalaCardiovascular Surgery Department, Robert Bosch Hospital, Stuttgart, Germany.
Myat Soe ThetDepartment of Surgery & Cancer, Imperial College London, South Kensington, UK. m.thet21@imperial.ac.uk.
Joseph A DearaniDepartment of Cardiovascular Surgery, Mayo Clinic, Rochester, MN, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Evidence regarding outcomes of septal myectomy in pediatric patients with obstructive hypertrophic cardiomyopathy (HOCM) remains limited. This meta-analysis aimed to assess surgical outcomes and long-term survival in this population. A systematic review was conducted using PubMed, Embase, Scopus, and Cochrane databases to identify studies evaluating septal myectomy in pediatric patients with obstructive HCM. Eight clinical trials comprising a total of 490 pediatric patients met the inclusion criteria. Among children undergoing septal myectomy for HOCM, the pooled early and late mortality rates were 3.3% and 8.5%, respectively. Concomitant mitral valve repair was performed in 7.3% of patients. Rates of complete atrioventricular block and permanent pacemaker implantation were 9.9% and 5.1%, respectively. The mean durations of intensive care and hospital stay were 34.6 h and 12.9 days. Postoperative wound infection and reoperation occurred in 3.4% and 6.4% of cases. Echocardiographic assessments demonstrated a marked reduction in LVOT gradient (from 86.9 to 16.2 mmHg) with preserved left ventricular ejection fraction. Mitral regurgitation decreased from 49.8 to 6.4%, and systolic anterior motion from 84.9 to 19.9%. Septal myectomy in pediatric patients with HOCM is a safe and effective procedure, associated with favorable survival and substantial symptomatic and hemodynamic improvement. However, results must be interpreted cautiously due to moderate-quality retrospective data.

Indexed as

Cardiomyopathy, HypertrophicHeart SeptumSeptal MyectomyChildEchocardiographyHumansMitral Valve InsufficiencyTreatment OutcomeChildrenObstructive hypertrophic cardiomyopathyPediatricSeptal myectomy

Identifiers

PMID41247546
PMCPMC13597645

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.