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Effect of bariatric surgery on flow-mediated dilation and carotid intima-media thickness in patients with morbid obesity: 1-year follow-up study [Anatol J Cardiol]
Anatol J Cardiol. 2020; 23(4): 218-222 | DOI: 10.14744/AnatolJCardiol.2019.85249  

Effect of bariatric surgery on flow-mediated dilation and carotid intima-media thickness in patients with morbid obesity: 1-year follow-up study

Ali Elitok1, Samim Emet1, Farrukh Bayramov1, Ekrem Karaayvaz1, Fulya Türker2, Umut Barbaros3, Mustafa Özcan1
1Departments of Cardiology, İstanbul Faculty of Medicine, İstanbul University; İstanbul-Turkey
2Department of Internal Medicine, İstanbul Faculty of Medicine, İstanbul University; İstanbul-Turkey
3Department of General Surgery, İstanbul Faculty of Medicine, İstanbul University; İstanbul-Turkey

Objective: Obesity is associated with increased cardiovascular (CV) mortality and morbidity. Bariatric surgery (BS) is currently an established therapeutic approach for severely obese patients. Carotid intima-media thickness (CIMT) and brachial artery flow-mediated dilation (FMD) provide important prognostic information beyond traditional CV risk factors. This study aimed to examine the effect of bariatric surgery-induced weight loss on CIMT and brachial artery FMD in morbidly obese patients.
Methods: A total of 23 morbidly obese patients (40.4±5.6 years, 13 females) were examined before and after BS for 1 year with 3-month periods. CIMT, FMD, body composition, and metabolic parameters were determined.
Results: All the patients exhibited significant weight loss following BS (p<0.001). Carotid intima-media thickness reduction was not significant from baseline to 6 months (p=0.069), but at 9 months (p=0.004), it became significant. Similarly, the difference between the preoperative and 6-month FMD assessments was not significant (p=0.057), but at 9 months (p<0.001), it became significant.
Conclusion: Our study reveals that weight loss following BS causes improvements in CV risk factors, which is evident after 9 months of surgery.

Keywords: atherosclerosis, obesity, bariatric surgery, weight loss, intima-media thickness flow-mediated vasodilation


Ali Elitok, Samim Emet, Farrukh Bayramov, Ekrem Karaayvaz, Fulya Türker, Umut Barbaros, Mustafa Özcan. Effect of bariatric surgery on flow-mediated dilation and carotid intima-media thickness in patients with morbid obesity: 1-year follow-up study. Anatol J Cardiol. 2020; 23(4): 218-222

Corresponding Author: Samim Emet, Türkiye


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