Right ventricular outflow tract reconstruction using monocusp valved outflow patch for pulmonary atresia with ventricular septal defect: influence of the presence of major aorto-pulmonary collateral arteries

K. Hisamochi, K. Ishino, M. Kawada, Y. Ohshima, A. Aoki, Sadahiko Arai, S. Sano

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Abstract

We have preferably utilized monocusp valved outflow patch (MVOP) for right ventricular outflow tract (RVOT) reconstruction in pulmonary atresia with ventricular septal defect (PA + VSD). The purpose of this study was to evaluate the influence of the presence of major aorto-pulmonary collateral arteries (MAPCAs) on probability of MVOP reconstruction and development of RVOT restenosis in midterm. 49 patients underwent complete repair (either MVOP reconstruction or Rastelli procedure) of PA + VSD in our service. These patients were divided into 2 groups: group 1; 21 patients with MAPCAs, group 2; 28 patients without MAPCAs. There was one operative death (group 1). The probably of MVOP reconstruction was similar between group 1 and group 2 (71 vs 79%, p = 0.57, chi 2 test). Follow-up was completed for 48 survivors with the period ranged 3-108 months (mean 47 months). In group 1, one patient died suddenly at home 10 months after surgery. For 47 long-term patients, the ratio of freedom from RVOT restenosis was 72% (95% CI: 52-92%, Kaplan-Meier method) at 5 year. There was no difference between 2 groups (group 1; 73%, 95% CI: 45-100%, group 2; 74%, 95% CI: 48-99%, respectively, p = 0.85 by Log-Rank test). The presence of MAPCAs in PA + VSD was not a risk factor for either the probably of MVOP reconstruction or development of RVOT restenosis in midterm.

Original languageEnglish
Pages (from-to)671-675
Number of pages5
JournalKyobu geka. The Japanese journal of thoracic surgery
Volume54
Issue number8 Suppl
Publication statusPublished - Jul 2001

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Pulmonary Artery
Survivors
Pulmonary Atresia With Ventricular Septal Defect

ASJC Scopus subject areas

  • Medicine(all)

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Right ventricular outflow tract reconstruction using monocusp valved outflow patch for pulmonary atresia with ventricular septal defect : influence of the presence of major aorto-pulmonary collateral arteries. / Hisamochi, K.; Ishino, K.; Kawada, M.; Ohshima, Y.; Aoki, A.; Arai, Sadahiko; Sano, S.

In: Kyobu geka. The Japanese journal of thoracic surgery, Vol. 54, No. 8 Suppl, 07.2001, p. 671-675.

Research output: Contribution to journalArticle

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abstract = "We have preferably utilized monocusp valved outflow patch (MVOP) for right ventricular outflow tract (RVOT) reconstruction in pulmonary atresia with ventricular septal defect (PA + VSD). The purpose of this study was to evaluate the influence of the presence of major aorto-pulmonary collateral arteries (MAPCAs) on probability of MVOP reconstruction and development of RVOT restenosis in midterm. 49 patients underwent complete repair (either MVOP reconstruction or Rastelli procedure) of PA + VSD in our service. These patients were divided into 2 groups: group 1; 21 patients with MAPCAs, group 2; 28 patients without MAPCAs. There was one operative death (group 1). The probably of MVOP reconstruction was similar between group 1 and group 2 (71 vs 79{\%}, p = 0.57, chi 2 test). Follow-up was completed for 48 survivors with the period ranged 3-108 months (mean 47 months). In group 1, one patient died suddenly at home 10 months after surgery. For 47 long-term patients, the ratio of freedom from RVOT restenosis was 72{\%} (95{\%} CI: 52-92{\%}, Kaplan-Meier method) at 5 year. There was no difference between 2 groups (group 1; 73{\%}, 95{\%} CI: 45-100{\%}, group 2; 74{\%}, 95{\%} CI: 48-99{\%}, respectively, p = 0.85 by Log-Rank test). The presence of MAPCAs in PA + VSD was not a risk factor for either the probably of MVOP reconstruction or development of RVOT restenosis in midterm.",
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