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Introduction: The inflammatory state that accompanies adiposity and the metabolic syndrome (MetS) is called "low-grade" inflammation. White blood cell count (WBC) has been proposed as an emerging biomarker for predicting future cardiovascular events, MetS and mortality. Bariatric surgery (BS) improves comorbidities associated with obesity and the MetS and the surgically induced weight loss is known to improve inflammatory status.
Objectives: To analyze the improvement of low-grade inflammation associated to obesity in patients with metabolically healthy severe obesity (MHSO) and patients with metabolically unhealthy obesity (MUSO) (severe obesity with MetS) after primary bariatric surgery as well as the protective effect of BS against the development of MetS in patients with MHSO by reducing the WBC.
Materials And Methods: Retrospective analysis of prospectively collected data of patients undergoing laparoscopic primary BS (gastric by-pass or sleeve gastrectomy) from January 2004-December 2015. Outcomes included changing of low-grade inflammation in terms of leukocytes, neutrophils, lymphocytes, and platelets.
Results: Twenty-one patients with MHSO and 167 patients with MUSO underwent laparoscopic primary BS. The preoperative values of leukocyte and platelet were statistically higher in the group of patients with MHSO. In both groups, there was significant postoperative decrease of inflammatory markers. The greatest drop in WBC occurred in the second postoperative year. No patient of the group of patients with MHSO developed MetS within five postoperative years.
Conclusions: Surgically induced weight loss plays an important role for improvement in chronic inflammation associated to obesity because of reduction of visceral fat mass. MHSO associates a low-grade chronic inflammatory status comparable to MUSO. The improvement or decrease of low-grade inflammation in patients with metabolically healthy severe obesity after bariatric surgery could have a protective effect against the development of MetS and medical conditions associated with severe obesity.
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| http://dx.doi.org/10.1007/s11695-022-06345-w | DOI Listing |
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