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Comparative Efficacy of Sciatic and Femoral Blocks in Ankle Surgery

NCT06758245 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 140

Last updated 2025-08-28

No results posted yet for this study

Summary

Comparison of Anesthetic and Postoperative Analgesic Efficacy of Femoral and Popliteal Sciatic Block vs Femoral and Anterior Sciatic Block in Ankle Surgery

Conditions

  • Postoperative Pain Management
  • Postoperative Pain
  • Analgesia
  • Nerve Blocks
  • Ankle Surgery

Interventions

PROCEDURE

femoral and anterior sciatic nerve block

First, in the supine position, the USG probe is placed below the inguinal crease. The femoral nerve is located lateral to the femoral artery, above the iliopsoas muscle. Once the needle tip reaches the nerve, simultaneous nerve stimulation is applied. Patellar movement is observed due to quadriceps muscle contraction upon needle placement. After a negative aspiration test, 20 ml of local anesthetic is injected.For the anterior sciatic block, while the patient was in the supine position, a convex ultrasound (USG) probe was placed transversely approximately 10 cm distal to the inguinal ligament. After visualizing the sciatic nerve as a hyperechoic flat structure, the nerve stimulator was set to 1-1.5 mA, 0.1 ms, and 1 Hz. Using an in-plane technique, the block needle was advanced. Upon reaching the sciatic nerve, when contractions in the calf, foot, or big toe continued at a current of 0.3-0.5 mA, 20 ml of 0.5% bupivacaine was administered following a negative aspiration test.

PROCEDURE

femoral and popliteal sciatic nerve block

The ultrasound probe is placed transversely at the popliteal crease. The first structure seen is the popliteal artery. Just above and lateral to the artery, the tibial nerve appears as a hyperechoic, oval, and round structure. After identifying the tibial and peroneal nerves, the probe is moved proximally, and it is observed that the nerves join about 5-10 cm above the popliteal crease. The needle is advanced using an in-plane technique. After obtaining the first sciatic nerve stimulation, 20 cc of 0.5% bupivacaine is injected following a negative aspiration test.

Sponsors & Collaborators

  • Gaziosmanpasa Research and Education Hospital

    lead OTHER_GOV

Principal Investigators

  • Döndü GENÇ MORALAR, MD · GAZİOSMANPAŞA RESEARCH AND TRAİNİNG HOSPİTAL

Study Design

Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
DOUBLE
Model
PARALLEL

Eligibility

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

Timeline & Regulatory

Start
2023-11-24
Primary Completion
2024-07-01
Completion
2024-07-01

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 NCT06758245 on ClinicalTrials.gov