Obesity and kidney protection
Aravind Chandra1, Michael Biersmith1, Ramin Tolouian1
1Division of Nephrology and Hypertension, Eastern Virginia Medical School, Norfolk, VA, USA.
Context:
Obesity, both directly and indirectly, increases the risk for a variety of disease conditions including diabetes, hypertension, liver disease, and certain cancers, which in turn, decreases the overall lifespan in both men and women. Though the cardiovascular risks of obesity are widely acknowledged, less often identified is the relationship between obesity and renal function.
Evidence Acquisitions:
Directory of Open Access Journals (DOAJ), Google Scholar, PubMed, EBSCO and Web of Science has been searched.
Results:
The concept of the "Metabolic Syndrome" helps us to understand this close link between obesity, diabetes, hypertension, and renal dysfunction. An elevated body mass index has shown to be one of the major determinants of glomerular hyperfiltration that lead to the development of chronic kidney disease. Interestingly, weight loss can lead to attenuation of hyperfiltration in severely obese patients suggesting a possible therapeutic option to combat obesity-related hyperfiltration.
Conclusions:
Various treatment strategies had been suggested to decrease impact of obesity on kidneys. These are blood pressure controling, inhibition of the renin-angiotensinaldosterone axis, improving glycemic control, improving dyslipidemia, improving protein uriaand lifestyle modifications. Regardless of the numerous pharmacotherapies, the focus should be on the root cause: obesity.
Insights
Obesity significantly impacts kidney function, increasing the risk of chronic kidney disease through mechanisms like glomerular hyperfiltration. Weight loss may offer a therapeutic strategy to mitigate these renal effects in obese individuals.
Area of Science:
- Nephrology
- Metabolic Diseases
- Public Health
Background:
- Obesity is a major risk factor for numerous diseases, including diabetes, hypertension, and cancer, reducing lifespan.
- While cardiovascular risks of obesity are known, its impact on renal function is less recognized.
- The metabolic syndrome highlights the connection between obesity, diabetes, hypertension, and kidney dysfunction.
Purpose of the Study:
- To explore the relationship between obesity and renal function.
- To understand the mechanisms linking obesity to kidney disease.
- To identify potential therapeutic strategies for obesity-related kidney dysfunction.
Main Methods:
- Literature search conducted across major scientific databases: Directory of Open Access Journals (DOAJ), Google Scholar, PubMed, EBSCO, and Web of Science.
Main Results:
- Elevated Body Mass Index (BMI) is a key factor in glomerular hyperfiltration, contributing to chronic kidney disease development.
- Weight loss in severely obese patients can reduce hyperfiltration, suggesting a potential treatment avenue.
- The metabolic syndrome provides a framework for understanding obesity's link to diabetes, hypertension, and renal dysfunction.
Conclusions:
- Obesity significantly contributes to kidney disease through mechanisms like hyperfiltration.
- Therapeutic strategies include blood pressure control, RAAS inhibition, glycemic and lipid management, and lifestyle changes.
- Addressing obesity itself is crucial for managing its impact on kidney health.
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