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Long-term effects of bariatric surgery on peripheral endothelial function and coronary microvascular function
Pierpaolo Tarzia1, Gaetano A Lanza1, Alfonso Sestito1
1Institute of Cardiology, Università Cattolica del Sacro Cuore, Roma, Italy.
Obesity Research & Clinical Practice
|January 7, 2017
Summary
Bariatric surgery (BS) significantly improves endothelial and coronary microvascular function in morbidly obese patients long-term. These vascular benefits persist years after surgery, indicating lasting cardiovascular health improvements.
Area of Science:
- Cardiovascular Physiology
- Metabolic Surgery
- Vascular Biology
Background:
- Bariatric surgery (BS) previously showed short-term benefits for endothelial and coronary microvascular function.
- This study investigates the long-term efficacy of BS on these vascular parameters.
Discussion:
- The study assessed peripheral vascular function using flow-mediated dilation (FMD) and nitrate-mediated dilation (NMD).
- Coronary microvascular function was evaluated by measuring coronary blood flow (CBF) response to adenosine and cold pressor test (CPT).
Key Insights:
- Long-term follow-up (4.0±1.5 years) revealed significant improvements in FMD and CBF responses to adenosine and CPT compared to baseline.
- These vascular improvements were maintained from the 3-month to the long-term follow-up points.
Outlook:
- Bariatric surgery demonstrates sustained positive effects on peripheral endothelial and coronary microvascular function in morbidly obese individuals.
- These findings support BS as a strategy for improving cardiovascular health in the long term.
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