Cardiopulmonary exercise testing after single and double lung transplantation

S. Miyoshi, E. P. Trulock, H. J. Schaefers, C. M. Hsieh, G. A. Patterson, J. D. Cooper

Research output: Contribution to journalArticlepeer-review

80 Citations (Scopus)


The cardiopulmonary response to exercise was investigated in six single and six double lung transplant recipients using a three-minute incremental work rate protocol on a cycle ergometer. Maximum V̇O2 averaged 44.2 ± 9.2 percent and 48.5 ± 5.0 percent of predicted maximal V̇O2 in the single and double lung transplant groups, respectively. No evidence of ventilatory limitation to exercise was found in either group. Circulatory factors that may have limited exercise capacity included anemia and submaximal heart rates. There was a strong correlation between V̇O2/kg at venous blood lactate level of 2.2 mEq/L and vital capacity/body surface area in the single, but not in the double, lung recipients. Maximum V̇O2 in these lung transplant recipients was comparable to previously published values in heart-lung transplant recipients. The factors that limit maximum exercise capacity after lung transplantation deserve further study.

Original languageEnglish
Pages (from-to)1130-1136
Number of pages7
Issue number5
Publication statusPublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine


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