Evidence map›Paper›PMID 40495986›Full record

ArticleFrontiers in cardiovascular medicine2025

Short-term outcomes of transcatheter perimembranous ventricular septal defect closure using the konar-multifunctional occluder: the Taiwanese experience.

Li-Chin Liao, Yun-Ching Fu, Pi-Chang Lee, Sheng-Ling Jan, Ming-Chih Lin, Chieh-Mao Chuang, Hui-Chih Hung

Abstract read
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Article in Frontiers in cardiovascular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Li-Chin LiaoDoctoral Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan.
Yun-Ching FuDepartment of Pediatric Cardiology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
Pi-Chang LeeDepartment of Pediatric Cardiology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
Sheng-Ling JanDepartment of Pediatric Cardiology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
Ming-Chih LinDepartment of Pediatric Cardiology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
Chieh-Mao ChuangDepartment of Pediatric Cardiology, Children's Medical Center, Taichung Veterans General Hospital, Taichung, Taiwan.
Hui-Chih HungDoctoral Program in Translational Medicine, National Chung Hsing University, Taichung, Taiwan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction: Transcatheter device closure of perimembranous ventricular septal defect (PmVSD) using the Lifetech KONAR-MF ventricular septal defect occluder (MFO) presents a promising and effective alternative to surgical repair. Objectives: This study aims to evaluate the 6-month safety and efficacy of the MFO device for PmVSD closure. Materials and methods: We conducted a retrospective analysis of clinical data from patients who underwent percutaneous PmVSD closure using the MFO device at our institution between December 2021 and June 2024. Safety, procedural and 6-month outcomes were systematically assessed. Results: A total of 115 patients (52.2% male) underwent transcatheter PmVSD closure. The median age was 7.6 years [interquartile range (IQR), 4.0-27.2] and weight 25.6 kg (IQR, 14.2-62.6). Median defect size by angiography was 5.7 mm (IQR, 3.8-8.3) on the left ventricle side and 3.3 mm (IQR, 2.3-4.4) on the right ventricle side. Aortic valve prolapse (AVP) was noted in 114 patients (99.1%), with pre-procedural aortic regurgitation (AR) in 36 (31.3%). Median pulmonary artery pressure was 17 mmHg (IQR, 14-20); 48 (41.7%) had Qp/Qs >1.5. All procedures were successful; 33 (28.7%) used a retrograde approach. Median fluoroscopy time was 22 min (IQR, 15-33). Complete closure was achieved in 51.3% at 1 day, 62.6% at 1 month, 69.6% at 3 months, and 83.5% at 6 months. Transient conduction disturbances ( Conclusion: Transcatheter closure of PmVSD with the MFO demonstrated safety and efficacy during the 6-month follow-up period. Notably, the majority of defects in this cohort were small in size.

Indexed as

congenital heart defectKONAR-MF occluderoccludertranscatheter closureventricular septal defect

Identifiers

PMID40495986
PMCPMC12148872

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