Age increases MCP-1 level in association with bariatric surgery operating time and metabolic risk severity

S K Malin1,2,3, J L Kaplan3,4, L Meng3

  • 1Department of Kinesiology University of Virginia Charlottesville USA.

Insights

Inflammation marker monocyte chemoattractant protein-1 (MCP-1) is linked to longer operating times and higher metabolic risk in older bariatric surgery patients. Addressing inflammation before surgery may improve outcomes.

Area of Science:

  • Bariatric Surgery
  • Inflammation and Metabolism
  • Surgical Outcomes

Background:

  • Older bariatric surgery patients often present with increased inflammation and metabolic risk.
  • Understanding the role of inflammation in surgical outcomes is crucial for optimizing patient care.
  • Monocyte chemoattractant protein-1 (MCP-1) is a key inflammatory marker implicated in metabolic diseases.

Purpose of the Study:

  • To assess the association between inflammation, specifically MCP-1 levels, and operating time in younger versus older bariatric surgery patients.
  • To investigate the relationship between MCP-1, metabolic risk severity, and glycaemic control in different age groups undergoing bariatric surgery.

Main Methods:

  • A cohort of younger (n=55) and older (n=48) bariatric surgery patients were studied pre-operatively.
  • Assessed parameters included blood pressure, glycaemic control (HbA1c), lipids, and serum MCP-1.
  • Omental adipose tissue biopsies were collected for MCP-1 protein analysis; operating time served as a proxy for surgical difficulty.

Main Results:

  • Older patients exhibited higher HbA1c and elevated circulating MCP-1 levels compared to younger patients.
  • Operating time was significantly longer in older individuals.
  • Serum MCP-1 correlated with increased metabolic risk severity, and operating time was linked to HbA1c and omental MCP-1.

Conclusions:

  • MCP-1 is associated with longer operating times and greater metabolic risk in older bariatric patients, independent of glycaemic control.
  • These findings suggest that pre-operative inflammation may impact surgical complexity and outcomes.
  • Targeting inflammation prior to bariatric surgery could potentially enhance its effectiveness and improve patient recovery.
Abstract

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