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Improved cardiopulmonary exercise function after modified Nuss operation for pectus excavatum.
Mariann Tang1, Hans Henrik Møller Nielsen, Maj Lesbo
1Department of Cardiothoracic and Vascular Surgery, Aarhus University Hospital, Skejby, Denmark.
Summary
The Nuss procedure improved cardiac index and forced expiratory volume in 1 second (FEV(1)) in teenagers with pectus excavatum one year after surgery. However, cardiac function remained lower than in healthy controls.
Area of Science:
- Cardiology
- Thoracic Surgery
- Pediatric Medicine
Background:
- Pectus excavatum can impair cardiac function during exercise.
- The Nuss technique is a surgical repair for pectus excavatum.
Purpose of the Study:
- To evaluate the impact of the Nuss procedure on cardiopulmonary function during exercise in teenagers with pectus excavatum.
Main Methods:
- Compared 49 teenagers with pectus excavatum to 26 controls.
- Assessed cardiac index, heart rate, VO(2) max, ventricular dimensions, and forced expiratory volume in 1 second (FEV(1)) at rest and during exercise before and one year after surgery.
Main Results:
- Pre-surgery, patients had lower cardiac index and FEV(1) during exercise compared to controls.
- One year post-Nuss surgery, patients showed significant improvements in cardiac index and FEV(1).
- Despite improvements, patients' cardiac index remained lower than controls; VO(2) max increased in both groups, but more in controls.
Conclusions:
- The Nuss operation improves cardiac index and FEV(1) in patients with pectus excavatum.
- Cardiopulmonary function during exercise is still compromised post-surgery compared to healthy peers.
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