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Eur J Cardiothorac Surg 2001;19:279-282
© 2001 Elsevier Science NL

Outcome following tricuspid valve detachment for ventricular septal defects closure

^a Division of Pediatric Cardiothoracic Surgery, The Cardiac Center at The Children's Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19104, USA
^b Division of Pediatric Cardiology, The Cardiac Center at The Children's Hospital of Philadelphia, Philadelphia, PA, USA

Received 10 October 2000; received in revised form 5 December 2000; accepted 30 December 2000.

Corresponding author. Tel.: +1-215-590-2708; fax: +1-215-590-2715
e-mail: gaynor{at}email.chop.edu

Objectives: Detachment of the septal leaflet of the tricuspid valve from the annulus (TVD) has been used to improve visualization of ventricular septal defects (VSDs), but may be associated with increased operative time, heart block, and the development of tricuspid regurgitation (TR). Methods: Patients undergoing VSD closure between 1/1/96 and 31/12/99 were retrospectively reviewed. Follow-up was obtained from the patients' cardiologists. Results: Transatrial VSD closure was performed in 172 patients with TVD in 36 (21%) at the surgeon's discretion. The leaflet incision was repaired with a separate suture (22) or with the VSD patch suture (14). Additional procedures including arch augmentation, closure of atrial septal defects, and closure of additional VSDs were performed in 93 (68%) non-TVD patients and 20 (56%) TVD patients. The median age was 6.2 months (range 1 day to 46 years) and the median weight was 5.9 kg (range 1.5–71.5 kg). Cardiopulmonary bypass (CPB) time was 64±24 min and cross-clamp time was 34±16 min. One hospital death occurred in an infant with tracheal stenosis. No child in either group developed complete heart block. The median duration of postoperative stay was 4 days (range 2–49 days). There were no differences in CPB time, cross-clamp time or postoperative stay between the TVD and non-TVD groups (P>0.1 for all). At a mean follow-up of 17±15 months, there have been two late deaths unrelated to cardiac disease. No child in the TVD group required reoperation for residual VSD, compared to three in the non-TVD group. No child in the TVD group has greater than mild TR, but six in the non-TVD group have greater than mild TR. No child in either group has undergone reoperation for TR. Conclusions: TVD is a safe, effective technique to improve visualization of VSD and is not associated with heart block, increased operative time, or TR. TVD may result in improved preservation of tricuspid valve architecture and decrease the incidence of significant postoperative TR.

Key Words: Ventricular septal defects • Tricuspid valve detachment • Tricuspid regurgitation

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