Regional Hemodynamic Parameter Changes After Spinal Anesthesia

Completed

• Conditions: Spinal Anesthesia Evaluation

• Registration Number: NCT05332379
• Lead Sponsor: Marmara University

Brief Summary

Spinal anesthesia is a regional anesthesia method used for surgical procedures generally involving the lower abdominal area, perineum, and lower extremities. Various tests are performed to evaluate the block level after spinal anesthesia, incluyding pinprick test, cold application, and motor examination. These tests are performed to check whether the pain, sympathetic and motor nerve fibers are affected, respectively, after the block; and good communication with the patient is important here. However, it is extremely difficult to evaluate these tests in pediatric, geriatric, mentally retarded or uncooperative patients.

Sympathectomy can be used as a criterion to evaluate the success of the block that occurs after the spinal anesthesia procedure. Sympathetic nerve fibers are the first to be affected by the block, and the success of the block can be evaluated with the revealed sympathectomy. Sympathectomy in the lower extremities after spinal block increases arterial blood flow. This increase in blood flow can be detected by the Pulsed Wave Doppler feature of USG.

Detailed Description

Not available

Study Timeline

• Study Start: 2022-04-01
• Study First Submitted: 2022-04-11
• Study First Submitted QC: 2022-04-11
• Study First Posted: 2022-04-18
• Primary Completion: 2023-07-20
• Study Completion: 2023-07-20
• Status Verified: 2023-10
• Last Update Submitted: 2024-12-28
• Last Update Posted: 2024-12-31

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 35

Inclusion Criteria

• Elective surgery under spinal anesthesia
• American Society of Anesthesiologists (ASA) I-II physical status

Exclusion Criteria

• Contraindication for spinal anesthesia
• ASA physical status >II
• Vasoactive drug usage

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Arterial velocity changes	At the 5th and 10th minutes after the spinal anesthesia procedure	Posterior tibial artery velocities (peak systolic, end-diastolic) and vessel diameters will be measured after the spinal anesthesia procedure.

Trial Locations

Locations (1)

Marmara University School of Medicine; 🇹🇷 Istanbul, Pendik, Turkey