nutch_noindex
CANCELAR
/nutch_noindex

Naruhito Watanabe, MD

  • No hay imagen

Especialidades

Cardiothoracic Surgery

Trabajo y Educación

Formación Profesional

Gifu University Medical School, Gifu, Japan, 06/30/1999

Internado

Gifu University Medical School, Gifu, Japan, 03/31/2000

Residencia

Tokyo Women's Medical School, Tokyo, 12/31/2005

Compañerismo

Emory University School of Medicine, Atlanta, GA, Japan, 06/30/2012

Gifu Prefectural General Medical Center, Gifu, CA, 06/30/2008

Tokyo Women's Medical School, Tokyo, 06/30/2009

UCSF Dept of General Surgery, San Francisco, 06/16/2011

Certificaciones Médicas

Cardiothoracic Surgery, Japanese Board of Cardiovascular Surgery

General Surgery, Japan Surgical Society

Todo Publicaciones

Left Ventricular Retraining and Late Arterial Switch for D-Transposition of the Great Arteries. Annals of thoracic surgery Watanabe, N., Mainwaring, R. D., Carrillo, S. A., Lui, G. K., Reddy, V. M., Hanley, F. L. 2015; 99 (5): 1655-1661

Abstract

For many decades, patients with d-transposition of the great arteries underwent an atrial switch procedure. Although many of these patients have continued to do well, a subset experience profound right ventricular failure. Some may be candidates for left ventricular (LV) retraining and late arterial switch. The purpose of this study was to review our experience with LV retraining and late arterial switch.This was a retrospective review of 32 patients with d-transposition. Thirty patients underwent a previous atrial switch and subsequently experienced right ventricular failure, whereas 2 presented late (8 months and 6 years) without previous intervention. The median age at the time of enrollment in this program was 15 years. Seven patients proceeded directly to late arterial switch owing to systemic LV pressures. The remaining 25 underwent a pulmonary artery band for LV retraining.Twenty of the 32 (63%) patients enrolled in this program were able to undergo a late arterial switch. There were 2 operative mortalities (10%). Two additional patients survived surgery but died in the early outpatient time period. There has been no late mortality after the arterial switch with a median follow-up of 5 years. Twelve patients underwent one or more pulmonary artery band procedures without evidence of effective LV retraining. There have been 2 early and 3 late (42%) deaths in this subgroup.The outcomes after arterial switch are encouraging and suggest that LV retraining and late arterial switch provide a viable option for this complex group of patients.

View details for DOI 10.1016/j.athoracsur.2014.12.084

View details for PubMedID 25817887

Left Ventricular Retraining and Late Arterial Switch for D-Transposition of the Great Arteries ANNALS OF THORACIC SURGERY Watanabe, N., Mainwaring, R. D., Carrillo, S. A., Lui, G. K., Reddy, V. M., Hanley, F. L. 2015; 99 (5): 1655-1663
Early complete repair of pulmonary atresia with ventricular septal defect and major aortopulmonary collaterals. Annals of thoracic surgery Watanabe, N., Mainwaring, R. D., Reddy, V. M., Palmon, M., Hanley, F. L. 2014; 97 (3): 909-915

Abstract

Pulmonary atresia with ventricular septal defect and major aortopulmonary collaterals (PA/VSD/MAPCAs) is a complex and diverse form of congenital heart defect. Although most patients with PA/VSD/MAPCAs can wait until they are 3 to 6 months of age to undergo surgical reconstruction, there are three specific criteria that merit an earlier repair. These 3 criteria are (1) unremitting heart failure; (2) a ductus to one lung and MAPCAs to the other; and (3) hemitruncus to one lung and MAPCAs to the other. The purpose of this study was to evaluate our surgical experience with early complete repair of PA/VSD/MAPCAs.This was a retrospective review of patients undergoing complete repair of PA/VSD/MAPCAs within the first 60 days of life. Twenty-seven patients were identified in our database (2002 to 2013) who met these criteria. Fifteen had congestive heart failure, 9 had a ductus plus MAPCAs, and 3 had hemitruncus plus MAPCAs. The median age at surgery was 5 weeks.There was no operative mortality in this cohort of 27 patients. Hemodynamics at the conclusion of the complete repair demonstrated an average right ventricular peak systolic pressure of 32 5 mm Hg and anaverage right ventricle to aortic pressure ratio of 0.36 0.06. The median length of hospital stay was 26 days. There have been 2 subsequent mortalities (7%), with a median follow-up duration of 4 years. Eight of the 27patients have subsequently undergone conduit replacements at our institution. The hemodynamics at the conclusion of the conduit change were statistically unchanged compared with the hemodynamics after complete repair.The data demonstrate that early complete repair of PA/VSD/MAPCAs can be accomplished with low mortality and excellent postoperative hemodynamics. These early hemodynamic results are maintained at medium-term follow-up. We conclude that early complete repair is an appropriate choice for this highly select subgroup of patients.

View details for DOI 10.1016/j.athoracsur.2013.10.115

View details for PubMedID 24480261