PMID: 9180127Jun 1, 1997Paper

Exercise tolerance in patients with Ebstein's anomaly

Journal of the American College of Cardiology
S G MacLellan-TobertGordon K Danielson

Abstract

The purpose of this study was to identify the determinants of exercise tolerance in patients with Ebstein's anomaly. Patients with Ebstein's anomaly of the tricuspid valve may have exercise limitation that improves after surgical repair. One hundred seventeen patients performed cycle ergometry for a total of 124 tests (preoperative test in 76 patients, postoperative test in 23, test but no operation in 18, preoperative and postoperative test in 7). Multiple linear regression analysis was used to identify predictors of maximal oxygen uptake, oxygen saturation and heart rate at peak exercise. Age at the time of exercise ranged from 6 to 60 years (median 15). An atrial septal defect was present in 67 patients (88%) preoperatively. Compared with the preoperative group, the postoperative group had significantly higher maximal oxygen uptake (mean [+/- SD] 20.5 +/- 7.4 vs. 25.3 +/- 7.0 ml/kg body weight per min, p = 0.006). Postoperative rest and exercise blood oxygen saturation was higher than that measured preoperatively (p = 0.0001). Six of seven patients tested before and after the operation showed improved exercise tolerance. Preoperatively, major predictors of maximal oxygen uptake were oxygen saturation at rest (p = 0.01) and a...Continue Reading

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Citations

Jul 6, 2000·The Annals of Thoracic Surgery·C J Knott-CraigJ D Razook
Jun 8, 2000·International Journal of Cardiology·J TherrienM Rigby
Oct 31, 2013·Cardiology in the Young·Lianne M Geerdink, Livia Kapusta
Sep 24, 2013·Current Cardiology Reports·Oktay TutarelGerhard-Paul Diller
Nov 26, 2010·The Journal of Thoracic and Cardiovascular Surgery·Jan MüllerAlfred Hager
Sep 22, 1998·Cardiology Clinics·A S Blaustein, A Ramanathan
Feb 9, 2018·European Heart Journal·Justin T Tretter
Jan 18, 2007·Circulation·Christine H Attenhofer JostGordon K Danielson
Jul 26, 2017·Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine·Massimiliano CantinottiShelby Kutty
Feb 1, 2019·Pediatric Cardiology·Brandon D MorricalNathaniel W Taggart
Mar 13, 2008·British Medical Bulletin·Elisabeth BédardMichael A Gatzoulis
Jun 15, 2019·Cardiology in the Young·Kristen L SessionsJonathan N Johnson

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