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Ann Thorac Surg 2001;72:1520-1522
© 2001 The Society of Thoracic Surgeons

Original article: cardiovascular

Repair of double-chambered right ventricle: surgical results and long-term follow-up

Yoshikazu Hachiro, MD*a, Nobuyuki Takagi, MDa, Tetsuya Koyanagi, MDa, Masayuki Morikawa, MDa, Tomio Abe, MD, PhDa

a Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan

Accepted for publication June 12, 2001.

* Address reprint requests to Dr Hachiro, Department of Thoracic and Cardiovascular Surgery, Sapporo Medical University School of Medicine, South 1, West 16, Chuo-ku, Sapporo 060-8543, Japan
e-mail: hachiro{at}rf6.so-net.ne.jp

Background. We reviewed the outcomes of double-chambered right ventricle repair.

Methods. Between 1969 and 1998, 40 patients underwent surgical repair of a double-chamber right ventricle. The patients ranged in age from 3 months to 52 years (mean, 12.8 ± 11.6 years). Right ventricular outflow tract pressure gradients were from 20 to 170 mm Hg (mean, 65.0 ± 38.5 mm Hg) An associated ventricular septal defect was present in 27 patients (67.5%). Four patients were older than 30 years of age.

Results. There were no hospital or late deaths. Mean postsurgical follow-up was 16.5 ± 8.9 years (range, 2.5 to 31 years). No patient required further surgery to relieve obstruction of right ventricular outflow tract.

Conclusions. Surgical repair of a double-chambered right ventricle yields excellent hemodynamic and functional results over both the short and long term.




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