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J Thorac Cardiovasc Surg 2007;133:1656-1658
© 2007 The American Association for Thoracic Surgery

Brief Communication

Reduced regional right ventricular wall motion after transventricular repair of tetralogy of Fallot

Shin Takabayashi, MD, PhDa,*, Hideto Shimpo, MD, PhDa, Kazuto Yokoyama, MDa, Koji Onoda, MD, PhDa, Yoshihide Mitani, MD, PhDb

a Department of Thoracic and Cardiovascular Surgery, Mie University Graduate School of Medicine, Mie, Japan
b Department of Pediatrics, Mie University Graduate School of Medicine, Mie, Japan.

Received for publication February 19, 2006; accepted for publication March 5, 2006.

* Address for reprints: Shin Takabayashi, MD, Department of Thoracic and Cardiovascular Surgery, Mie University Graduate School of Medicine, 2-174, Edobashi, Tsu, Mie 514-8507, Japan. (Email: shin1111@clin.medic.mie-u.ac.jp).

The first 20% of the full text of this article appears below.

During intracardiac repair of tetralogy of Fallot (TOF), a larger right ventriculotomy provides better exposure of ventricular structures. However, right ventricular (RV) function is impaired after ventriculotomy, and a previous report suggests that ventriculotomy reduces regional wall motion around the RV incision.1Go To investigate the impact of right ventriculotomy on regional RV wall function, we used postoperative lateral RV angiocardiography to compare segmental fractional shortening (FS) after transventricular and transpulmonary–transatrial TOF repair.

Clinical Summary

We studied 28 consecutive patients who underwent TOF repair between 1994 and 1998. They were divided into two groups: the first 14 patients underwent transventricular repair (group V) and the other 14 underwent transatrial–transpulmonary repair (group A). The mean age (2.9 vs 2.6 years), weight (13.0 vs 11.4 kg) and preoperative RV function were not significantly different between group V and group A. Three patients in group V had undergone a prior operation (systemic–pulmonary shunt, 2; Brock, 1), and 1 patient in group A had undergone a systemic–pulmonary . . . [Full Text of this Article]




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