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Pathophysiology of the aging kidney.

B R Gilbert¹, E D Vaughan

¹James Buchanan Brady Foundation, Department of Surgery, New York Hospital-Cornell Medical Center, New York.

Clinics in Geriatric Medicine

|February 1, 1990

Summary

Physicians must understand aging kidneys to treat geriatric patients effectively. This review covers age-related renal changes, their impact on drug effectiveness, and practical assessment methods.

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Area of Science:

Nephrology
Geriatric Medicine
Pharmacology

Background:

Aging significantly alters kidney structure and function.
Geriatric patients often present with complex health issues, including age-related kidney decline.
Understanding these changes is crucial for appropriate medical management.

Purpose of the Study:

To examine the physiological impact of the aging kidney on homeostasis.
To discuss altered pharmacodynamics in the context of impaired renal function.
To review limitations of quantitative renal function tests and present bedside assessment techniques.

Main Methods:

Literature review of physiological changes in the aging kidney.
Analysis of pharmacodynamic alterations due to reduced renal function.
Evaluation of current quantitative methods for assessing renal function.
Identification and description of practical bedside techniques for renal function assessment.

Main Results:

The aging kidney exhibits significant physiological changes affecting homeostasis.
Renal impairment in the elderly can lead to altered drug pharmacodynamics and efficacy.
Quantitative methods for assessing renal function have limitations in geriatric patients.
Bedside techniques offer practical alternatives for evaluating renal function in older adults.

Conclusions:

A thorough understanding of the senescent kidney is essential for geriatric physicians.
Age-related renal changes necessitate careful consideration of drug therapy and monitoring.
Practical bedside assessment tools can aid in managing renal function in the elderly.

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