Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Regulation of Water Intake

Regulation of Water Intake

Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...

Physiology of the Genitourinary System III: Urine Concentration and Dilution

Physiology of the Genitourinary System III: Urine Concentration and Dilution

The kidneys concentrate or dilute urine to maintain water and electrolyte balance. Nephrons, particularly the loop of Henle, play a crucial role in this process through the countercurrent multiplication system. This system establishes a high osmolarity in the renal medulla, which is essential for water reabsorption. In the loop of Henle’s descending limb, water is reabsorbed into the surrounding medulla due to its permeability to water. In contrast, the ascending limb actively transports...

Nursing Assessment of the Genitourinary System I: Health History

Nursing Assessment of the Genitourinary System I: Health History

The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...

Diabetes Insipidus I: Introduction

Diabetes Insipidus I: Introduction

Definition Diabetes insipidus is a disorder marked by the production of large amounts of dilute urine because of impaired vasopressin production, release, or kidney response. The lack of effective vasopressin action limits water reabsorption in the renal collecting ducts, which leads to excessive urinary water loss and intense thirst.Clinical PresentationIndividuals with diabetes insipidus report persistent thirst and very high urine output. In severe cases, fluid intake can reach up to 20...

Diabetes Insipidus II: Pathophysiology

Diabetes Insipidus II: Pathophysiology

Normally, water balance is maintained through three interconnected mechanisms: the hypothalamic thirst center, the synthesis and release of antidiuretic hormone (ADH, or vasopressin), and the kidneys' responsiveness to this hormone. ADH is synthesized in the hypothalamus, released from the posterior pituitary, and acts on the distal nephron, allowing water reabsorption and concentrated urine production.Diabetes Insipidus and Its TypesIn diabetes insipidus (DI), this regulatory system is...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Early patient removal of urinary catheters after urogynecologic surgery, a randomized trial.

American journal of obstetrics and gynecology·2026

Same author

An integrated behavioral treatment for improving nocturia and insomnia symptoms in older adults (MINT): study protocol for a multi-site randomized clinical trial.

Trials·2026

Same author

Protocol for a multi-site randomized trial testing an integrated behavioral treatment for improving nocturia and insomnia symptoms in older adults (MINT).

Research square·2025

Same author

Recommendations From the Women's Preventive Services Initiative on Breast Cancer Screening for Women at Average Risk and Patient Navigation Services for Breast and Cervical Cancer Screening.

Obstetrics and gynecology·2025

Same author

Development and Validation of a Bowel Diary for Fecal Incontinence: Comparison With a Questionnaire.

Neurogastroenterology and motility·2025

Same author

Initiation and Utilization of Psychotherapy in Women With Overactive Bladder.

Urogynecology (Philadelphia, Pa.)·2025

Search research articles

Related Experiment Video

Updated: Jul 23, 2026

Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis

Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis

Published on: August 17, 2022

Urinary incontinence and hydration: A population-based analysis.

Marcella Willis-Gray¹, Jennifer M Wu¹, Alayne Markland²

¹Division of Urogynecology, Department of OB/GYN, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.

Neurourology and Urodynamics

|April 19, 2017

Summary

This study found no link between hydration status and urinary incontinence in men and women. Objective measures of urine osmolality did not correlate with the severity of urinary incontinence.

Keywords:

hydration status incontinence osmolality urinary

More Related Videos

Real-Time Void Spot Assay

Real-Time Void Spot Assay

Published on: February 10, 2023

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Published on: September 22, 2023

Related Experiment Videos

Last Updated: Jul 23, 2026

Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis

Evaluation of Fluid Overload by Bioelectrical Impedance Vectorial Analysis

Published on: August 17, 2022

Real-Time Void Spot Assay

Real-Time Void Spot Assay

Published on: February 10, 2023

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test

Published on: September 22, 2023

Area of Science:

Urology
Public Health
Nephrology

Background:

Urinary incontinence (UI) affects a significant portion of the population, impacting quality of life.
Hydration status is a modifiable factor that may influence various physiological processes, including bladder function.
Previous research has not definitively established a link between objective hydration markers and UI prevalence.

Purpose of the Study:

To investigate the association between objective hydration status and moderate to severe urinary incontinence.
To analyze this relationship in a large, population-based sample of adult men and women in the United States.

Main Methods:

Utilized cross-sectional data from the National Health and Nutrition Examination Surveys (NHANES) 2009-2012.
Defined dehydration as urine osmolality ≥ 800 mOsm/kg; adequate hydration was < 800 mOsm/kg.
Employed multivariable logistic regression, controlling for demographic and clinical factors.

Main Results:

Among 9497 participants with complete data, dehydration was more prevalent in men than women.
Bivariate analysis suggested a potential association, but this did not persist in multivariable models.
Dehydration was not significantly associated with moderate/severe UI in men (OR 0.2) or women (OR 0.8).

Conclusions:

Objective hydration status, measured by urine osmolality, is not associated with moderate to severe urinary incontinence.
Findings suggest that hydration management may not be a primary target for reducing UI in the general population.