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Hepatic Vagotomy in Patients With Obesity Leads to Improvement of the Cholesterol to High-Density Lipoprotein Ratio
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Hepatic Vagotomy in Patients With Obesity Leads to Improvement of the Cholesterol to High-Density Lipoprotein Ratio
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Journal Article
Hepatic Vagotomy in Patients With Obesity Leads to Improvement of the Cholesterol to High-Density Lipoprotein Ratio
2023
Overview
Introduction/PurposeThe obesity epidemic is rapidly growing, and visceral adiposity is associated with metabolic consequences secondary to peroxisome proliferator-activated receptor (PPAR)-induced inter-organ signaling pathways. PPARs are ligand-activated transcription factors that modulate vagal pathways which can improve blood pressure, arterial remodeling, cholesterol levels, and insulin sensitivity. However, an obesity-induced inflammatory milieu can interfere with the beneficial effects of PPAR activity, suggesting that a dysregulated PPAR-vagus pathway may play a role in the pathogenesis of obesity-related hypertension. Therefore, we hypothesized that hepatic vagotomy (HV) in patients with obesity would result in a significant reduction in blood pressure and/or the number of hypertension medications compared to control.MethodsWe conducted a retrospective chart review of 160 patients undergoing laparoscopic sleeve gastrectomy. Patients were divided into HV and control groups, and information was collected at each clinic visit.ResultsAt six-months post-operation, the HV group was found to have significantly lower total cholesterol (TC)/high-density lipoprotein (HDL) ratios than the control group. The HV group also had a numerically better blood profile for TC, HDL, low-density lipoprotein (LDL), triglycerides, C-reactive protein, and LDL/HDL ratio. Hypertensive patients in the HV group showed numerically lower hypertension medication counts after six weeks when compared to control.ConclusionWe present the first study to report clinically significant changes related to HV in human subjects. Our results did not support our initial hypothesis but did demonstrate an improvement of the TC/HDL ratio with HV in patients with obesity. Future studies should confirm these findings in a randomized control trial.
Publisher
Springer Nature B.V
Subject
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