Archives of cardiovascular diseases · 2020
Transcatheter closure of a perimembranous ventricular septal defect with Nit-Occlud Lê VSD Coil: A French multicentre study.
СтатьяМногоцентровое исследованиеНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Houeijeh Ali, Godart François, Jalal Zakaria, Ovaert Caroline, Heitz François, Mauran Pierre, Baruteau Alban-Elouen, Guirguis Lisa, Hadeed Khaled, Baudelet Jean-Benoit, Iriart Xavier, Aldebert Philippe, Acar Philippe, Fraisse Alain, Odemis Ender, Karsenty Clément, Thambo Jean Benoit, Hascoët Sébastien
Аннотация
BACKGROUND: Transcatheter perimembranous ventricular septal defect (pmVSD) closure remains challenging and is seldom used in France given the risk of atrioventricular block (AVB). pmVSD closure with the Nit-Occlud Lê VSD coil was recently introduced in France as an alternative to occluder devices.
AIMS: To study the safety and feasibility of pmVSD closure with the Nit-Occlud Lê VSD coil.
METHODS: All consecutives cases of pmVSD closure with the Nit-Occlud Lê VSD coil in 20 tertiary French centres were included between January 2015 and December 2018.
RESULTS: Among 46 procedures in five centres, indications for pmVSD closure were left ventricle overload (76.1%), exertional dyspnoea (17.4%), history of infective endocarditis (4.3%) and mild pulmonary hypertension (2.2%). The median (interquartile [IQR]) age of the patients was 13.9 (5.7-31.8) years. Aneurismal tissue was identified in 91.3% of patients. VSD median (IQR) size was 8 (7-10) mm on the left ventricle side and 5 (4-6) mm on the right ventricle side. Implantation was successful in 40 patients (87.0%; 95% confidence interval [CI] 73.7-95.1%). Severe complications occurred in six patients (13.0%, 95% CI 4.9-26.3%), mainly severe haemolysis (8.7%, 95% CI 2.4-20.8%). One aortic valve lesion required surgical aortic valvuloplasty. Occurrence of severe complications was significantly related to the presence of haemolysis (P=0.001), residual shunt (P=0.007) and multi-exit VSD (P=0.005). Residual shunt was observed in 40% of cases with the implanted device shortly after closure and 15% after a median follow-up of 27 months. No immediate or delayed device embolization or complete AVB was recorded.
CONCLUSION: pmVSD closure with the Nit-Occlud Lê VSD Coil is feasible in older children and adults. However, residual shunting (leading to haemolysis) is a dreaded complication that should not be tolerated. pmVSD closure with the Nit-Occlud Lê VSD as a therapeutic strategy remains controversial and is limited to selected patients.
AIMS: To study the safety and feasibility of pmVSD closure with the Nit-Occlud Lê VSD coil.
METHODS: All consecutives cases of pmVSD closure with the Nit-Occlud Lê VSD coil in 20 tertiary French centres were included between January 2015 and December 2018.
RESULTS: Among 46 procedures in five centres, indications for pmVSD closure were left ventricle overload (76.1%), exertional dyspnoea (17.4%), history of infective endocarditis (4.3%) and mild pulmonary hypertension (2.2%). The median (interquartile [IQR]) age of the patients was 13.9 (5.7-31.8) years. Aneurismal tissue was identified in 91.3% of patients. VSD median (IQR) size was 8 (7-10) mm on the left ventricle side and 5 (4-6) mm on the right ventricle side. Implantation was successful in 40 patients (87.0%; 95% confidence interval [CI] 73.7-95.1%). Severe complications occurred in six patients (13.0%, 95% CI 4.9-26.3%), mainly severe haemolysis (8.7%, 95% CI 2.4-20.8%). One aortic valve lesion required surgical aortic valvuloplasty. Occurrence of severe complications was significantly related to the presence of haemolysis (P=0.001), residual shunt (P=0.007) and multi-exit VSD (P=0.005). Residual shunt was observed in 40% of cases with the implanted device shortly after closure and 15% after a median follow-up of 27 months. No immediate or delayed device embolization or complete AVB was recorded.
CONCLUSION: pmVSD closure with the Nit-Occlud Lê VSD Coil is feasible in older children and adults. However, residual shunting (leading to haemolysis) is a dreaded complication that should not be tolerated. pmVSD closure with the Nit-Occlud Lê VSD as a therapeutic strategy remains controversial and is limited to selected patients.