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Hemodynamic Effects of Bilateral and Unilateral Spinal Anesthesia Using the Continuous Pressure Recording Analytical Method.

NCT07789795 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 74

Last updated 2026-08-27

No results posted yet for this study

Summary

This randomized controlled study aims to compare the intraoperative hemodynamic effects of unilateral and bilateral spinal anesthesia in elderly patients undergoing elective total hip arthroplasty. Seventy-four patients aged 65 years and older will be randomized into two groups: unilateral spinal anesthesia (n=37) and bilateral spinal anesthesia (n=37).

Hemodynamic parameters including cardiac output, stroke volume, stroke volume variation, pulse pressure variation, and systemic vascular resistance will be continuously monitored using the Pressure Recording Analytical Method (PRAM)-based MostCare monitoring system. Intraoperative fluid requirements and vasopressor consumption will also be evaluated.

The study seeks to determine whether unilateral spinal anesthesia provides greater hemodynamic stability and reduces the need for fluid administration and vasopressor support compared with conventional bilateral spinal anesthesia in elderly patients undergoing hip arthroplasty.

Conditions

  • Spinal Anesthesia
  • Hemodynamic Changes

Interventions

PROCEDURE

Unilateral Spinal Anesthesia

Unilateral spinal anesthesia administered for unilateral lower extremity surgery.

PROCEDURE

Bilateral Spinal Anesthesia

Bilateral spinal anesthesia administered for unilateral lower extremity surgery.

Sponsors & Collaborators

  • Kayseri City Hospital

    lead OTHER_GOV

Study Design

Allocation
RANDOMIZED
Purpose
OTHER
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-05-01
Primary Completion
2026-08-31
Completion
2026-08-31

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07789795 on ClinicalTrials.gov