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Changes in Cardiopulmonary Capacity Parameters after Surgery: A Pilot Study Exploring the Link between Heart Function
Andrea Segreti1,2,3, Chiara Fossati3, Luigi Maria Monticelli1,2
1Cardiology Unit, Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo, 200-00128 Roma, Italy.
Journal of Functional Morphology and Kinesiology
|September 27, 2024
Summary
Athletes post-knee surgery show higher resting heart rate but improved myocardial contractility. Exercise capacity remains unchanged, indicating muscular deconditioning offsets cardiac improvements after surgery.
Area of Science:
- Cardiology
- Sports Medicine
- Exercise Physiology
Background:
- Knee injuries in athletes cause exercise interruptions.
- Echocardiography and cardiopulmonary exercise testing (CPET) assess athletes post-injury.
- Post-surgery cardiovascular and functional changes are not well understood.
Purpose of the Study:
- To compare pre- and post-surgery cardiovascular parameters and functional capacity in athletes.
- To evaluate myocardial work (MW) and exercise performance after knee surgery.
Main Methods:
- 22 non-professional athletes with knee pathology underwent pre- and post-surgery evaluations.
- Transthoracic echocardiography assessed resting myocardial work.
- Cardiopulmonary exercise testing (CPET) evaluated functional capacity during exercise.
Main Results:
- Resting heart rate increased significantly post-surgery.
- Global Work Efficiency (GWE) increased, and Global Wasted Work (GWW) decreased, indicating improved resting myocardial contractility.
- Peak oxygen consumption and other exercise parameters showed no significant post-surgery changes.
Conclusions:
- Athletes are more deconditioned post-surgery (higher resting HR).
- Resting myocardial contractility improves (increased GWE, decreased GWW) after surgery.
- Muscular deconditioning appears to offset improved myocardial contractility, leaving exercise capacity unchanged.
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