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Pulse Wave Transit Time After Infraclavicular Block

NCT07669688 · Status: NOT_YET_RECRUITING · Type: OBSERVATIONAL · Enrollment: 25

Last updated 2026-07-07

No results posted yet for this study

Summary

This prospective observational study aims to evaluate the time-dependent changes in Pulse Wave Transit Time (PWTT) following ultrasound-guided infraclavicular brachial plexus block. PWTT is a non-invasive hemodynamic parameter reflecting vascular tone and sympathetic nervous system activity. Patients undergoing upper extremity surgery under infraclavicular block will be monitored using standard perioperative monitoring devices. PWTT measurements will be obtained before and after block placement at predefined time intervals. Secondary outcomes will include perfusion index, skin temperature, heart rate, blood pressure, respiratory rate, and oxygen saturation. The study seeks to determine whether PWTT can serve as an objective and non-invasive marker of sympathetic blockade following infraclavicular block.

Conditions

  • Infraclavicular Brachial Plexus Block

Interventions

PROCEDURE

Ultrasound-guided infraclavicular brachial plexus block

Ultrasound-guided infraclavicular brachial plexus block will be performed as part of routine clinical anesthesia practice for upper extremity surgery. Local anesthetic will be administered according to standard institutional protocols. No additional or experimental drug or procedure will be applied for research purposes. Pulse Wave Transit Time (PWTT) and other hemodynamic parameters will be recorded before and after block placement at predefined time intervals.

Sponsors & Collaborators

  • Sakarya University

    lead OTHER

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-07-20
Primary Completion
2026-10-15
Completion
2026-11-15

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 NCT07669688 on ClinicalTrials.gov