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Predictive Score for Significant Diastolic Dysfunction in Patients with Morbid Obesity Undergoing Bariatric Surgery
Aphichat Suphathamwit1, Kamheang Vacharaksa1, Chaowanan Khamtuikrua1
1Department of Anesthesiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
Journal of Obesity & Metabolic Syndrome
|September 7, 2025
Summary
Diastolic dysfunction is common in morbidly obese patients undergoing bariatric surgery. A predictive score using age and comorbidities can help identify high-risk individuals for better cardiovascular risk management.
Area of Science:
- Cardiology
- Bariatric Surgery
- Echocardiography
Background:
- Morbid obesity is a significant risk factor for cardiovascular disease.
- Diastolic dysfunction is linked to adverse cardiovascular events, especially in non-cardiac surgeries.
Purpose of the Study:
- To determine the prevalence of diastolic dysfunction in morbidly obese patients undergoing bariatric surgery.
- To identify clinical risk factors associated with diastolic dysfunction using transesophageal echocardiography (TEE).
Main Methods:
- Prospective observational study of 113 morbidly obese patients.
- Diastolic function assessed via TEE post-anesthesia induction.
- Categorization of dysfunction based on E/e' ratio.
Main Results:
- Diastolic dysfunction found in 45.1% of patients.
- Age and CPAP use for OSA were linked to high-grade dysfunction.
- A predictive score showed high diagnostic accuracy for elevated risk.
Conclusions:
- Diastolic dysfunction is prevalent in morbidly obese patients undergoing bariatric surgery.
- A predictive score >120 may identify patients at increased cardiovascular risk.
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