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Multidisciplinary Approach to Obesity Management: A Case Report
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Improving obesity and blood pressure.

Masami Tanaka1

  • 1Department of Endocrinology, Metabolism, and Nephrology, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. tana176k@keio.jp.

Hypertension Research : Official Journal of the Japanese Society of Hypertension
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PubMed
Summary

Obesity frequently causes hypertension through mechanisms like sympathetic nervous system overactivity and hormonal imbalances. Lifestyle modifications and weight reduction are key treatments for obesity-related high blood pressure.

Keywords:
HypertensionLifestyle modificationObesityObstructive sleep apnea syndromeSympathetic nervous system activity

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Area of Science:

  • Nephrology
  • Cardiology
  • Endocrinology

Background:

  • Obesity-associated hypertension is a significant public health issue.
  • Sympathetic nervous system (SNS) overactivity, particularly in the kidneys, links obesity to hypertension.
  • Adipokines, hyperinsulinemia, and renin-angiotensin-aldosterone system (RAAS) activation contribute to elevated blood pressure in obesity.

Purpose of the Study:

  • To explore the multifaceted mechanisms linking obesity to hypertension.
  • To discuss the role of various physiological systems and conditions in obesity-induced hypertension.
  • To highlight effective treatment strategies for obesity-related hypertension.

Main Methods:

  • Review of existing literature on obesity, hypertension, and related physiological pathways.
  • Analysis of the roles of SNS, RAAS, adipokines, insulin resistance, and gut microbiota.
  • Examination of conditions like obstructive sleep apnea syndrome (OSAS) and mineralocorticoid receptor-associated hypertension.
  • Evaluation of treatment outcomes, including weight reduction and bariatric surgery.

Main Results:

  • Obesity activates SNS and RAAS, leading to increased peripheral vascular resistance and plasma volume.
  • Insulin resistance and hyperinsulinemia contribute to sodium retention and volume expansion.
  • OSAS is a common cause of secondary hypertension in obese individuals.
  • Gut dysbiosis in obesity may negatively impact blood pressure control.
  • Weight reduction (>3% or 5kg) significantly lowers blood pressure.
  • Bariatric surgery is effective for morbid obesity and associated hypertension.

Conclusions:

  • Obesity-associated hypertension involves complex interactions between metabolic, hormonal, and neural pathways.
  • Lifestyle modification, focusing on weight reduction, is the primary treatment approach.
  • Understanding these mechanisms is crucial for managing hypertension in obese populations.