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Related Experiment Video

Updated: Feb 23, 2026

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

Body composition and hemodynamic changes in patients with special needs.

Masanori Tsukamoto¹, Takashi Hitosugi², Kanako Esaki¹

¹Department of Dental Anesthesiology, Kyushu University Hospital, Fukuoka, Japan.

Journal of Dental Anesthesia and Pain Medicine

|September 9, 2017

Summary

Patients with special needs undergoing general anesthesia showed altered body fluid balance and hemodynamics. Monitoring these changes is crucial for this population.

Keywords:

Body fluids General anesthesia Hemodynamics

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Published on: August 17, 2022

Area of Science:

Anesthesiology and Perioperative Medicine
Physiology
Patient Safety

Background:

Patients with special needs often have intellectual disabilities, impacting cognitive skills and quality of life.
General anesthesia presents unique physiological challenges for patients with special needs.
Understanding hemodynamic and body composition changes is vital for optimizing care.

Purpose of the Study:

To compare body composition and hemodynamic alterations during general anesthesia.
To investigate differences between patients with and without special needs.
To identify potential risks and inform anesthetic management.

Main Methods:

Retrospective analysis of medical records for patients undergoing oral maxillofacial surgery.
Measurement of intracellular water (ICW), extracellular water (ECW), stroke volume variation (SVV), and heart rate (HR) for 3 hours post-anesthesia induction.
Statistical comparison using unpaired t-tests and Bonferroni correction for significance.

Main Results:

No significant background differences between groups, except for height.
Intracellular water and extracellular water were maintained but lower in the special needs group (S-group).
Stroke volume variation was maintained but higher in the S-group; heart rate was significantly lower in the S-group post-anesthesia.

Conclusions:

General anesthesia can induce body fluid imbalances affecting hemodynamics in patients with special needs.
Close monitoring of hemodynamic parameters and fluid status is essential for this patient group.
Anesthetic protocols may require adjustments for patients with special needs to mitigate risks.