Predictors of Spinal Anesthesia-Induced Hypotension in Hypertensive Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

110 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-01-03

Study Completion Date

2025-06-10

Brief Summary

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This prospective observational study aims to evaluate predictive factors for spinal anesthesia-induced hypotension (SASH) in hypertensive patients undergoing elective surgery. Parameters such as internal jugular vein collapsibility index, carotid intima-media thickness, and flow-mediated dilation will be assessed using ultrasonography to determine their association with SASH. Demographic, anthropometric, and hemodynamic data will also be analyzed. The findings may improve perioperative management strategies for hypertensive patients receiving spinal anesthesia.

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Detailed Description

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This study aims to investigate the relationship between carotid intima-media thickness (CIMT) and spinal anesthesia-induced hypotension (SASH) in hypertensive patients. SASH is a common side effect of spinal anesthesia, with an incidence ranging from 15% to 33%, and is associated with significant clinical consequences such as increased morbidity and mortality. CIMT is a well-established marker of atherosclerotic burden and cardiovascular risk. This study hypothesizes that CIMT may be an independent predictor of SASH in hypertensive patients. Participants will undergo preoperative CIMT measurements and standardized spinal anesthesia procedures, with hemodynamic variables and potential risk factors recorded for analysis.

Conditions

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Spinal Anesthesia-Induced Hypotension

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

Adult hypertensive patients classified as ASA II-III risk group. Patients scheduled for elective surgeries requiring spinal anesthesia.

Exclusion Criteria

Presence of severe renal or hepatic failure, or severe respiratory or cardiovascular diseases.

Contraindication to spinal anesthesia. Failure of spinal anesthesia. History of carotid surgery or presence of carotid plaques. Presence of anxiety.

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No