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Original Articles: Pediatric Cardiac

Video-Assisted Thoracoscopic Left Cardiac Sympathetic Denervation: A Reliable Minimally Invasive Approach for Congenital Long-QT Syndrome

^a Department of Thoracic Surgery, Peking University, People's Hospital, Beijing, China
^b Department of Cardiology, Peking University, People's Hospital, Beijing, China

Accepted for publication July 29, 2008.

^_* Address correspondence to Dr Wang, Department of Thoracic Surgery, People's Hospital of Peking University, Beijing, 100044, China (Email: jwangmd{at}yahoo.com).

Background: The purpose of this study was to assess the feasibility and long-term effect of video-assisted thoracoscopic left cardiac sympathetic denervation for congenital long-QT syndrome.

Methods: From December 2002 to May 2007, 11 patients who could not tolerate or who were refractory to β-blocker therapy received video-assisted thoracoscopic left cardiac sympathetic denervation. Under general anesthesia, the pleural cavity was entered through three 1.5-cm incisions in the left subaxillary area. The left thoracic sympathetic chain was identified, and the lower one third of the left stellate ganglion, together with T₂ to T₅ sympathetic chain, was resected.

Results: The mean operative time was 40.9 ± 7.7 minutes. Blood loss was minimal. The mean postoperative stay was 6 ± 1.4 days. There were no major perioperative complications apart from mild ptosis of the left upper eyelid in 1 patient who subsequently recovered shortly after the procedure. The mean follow-up time was 37.0 ± 26.3 months. Seven of the patients are totally free of cardiac events and report good quality of life. One patient experienced decreased syncopal events from 5 or 6 times per year to 2 or 3 times per year. One patient still experiences syncopal events 3 to 4 times a year, but with shortened duration to several seconds. One patient reports syncope 10 times per year. Only 1 patient died, early in the second year after surgery. In conclusion, the overall efficacy rate (that is, reduction in syncopal episodes) is 81.8% (9 of 11) and the mortality rate, 9.1% (1 of 11).

Conclusions: Video-assisted thoracoscopic left cardiac sympathetic denervation is a simple and minimally invasive technique that results in good long-term benefits in patients with congenital long-QT syndromes.

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Invited Commentary

Charles T. Klodell
Ann. Thorac. Surg. 2008 86: 1958-1959. [Extract] [Full Text] [PDF]

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				C. T. Klodell Invited Commentary Ann. Thorac. Surg., December 1, 2008; 86(6): 1958 - 1959. [Full Text] [PDF]