Comparison of Analgesic Duration of Popliteal Block Versus Ankle Block in Patients Undergoing Forefoot Surgery

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

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-09-20

Study Completion Date

2022-12-30

Brief Summary

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Pain after forefoot surgery can be important and regional anesthesia plays a crucial role in post-operative pain control. Several techniques can be used to achieve surgical anesthesia as well as postoperative analgesia. Of those techniques the ankle block and sciatic nerve block at the popliteal fossa are the most common. The primary goal of this study is thus to compare the analgesic duration of these two types of blocks for patients undergoing forefoot surgery.

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Detailed Description

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Patients scheduled for unilateral forefoot surgery, aged over 18 years old and ASA status I-III without any contra-indications for regional anesthesia will be enrolled.

After a standard randomisation, patients will be allocated in either of two groups : ankle block or sciatic nerve block at the popliteal fossa. In both groups the patients will have a multimodal analgesic regimen followed by a patient-controlled-analgesia (PCA) of morphine.

The primary endpoint is the analgesic duration, defined by the time between the end of the block procedure and the first IV request of morphine from a PCA.

Conditions

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Pain, Postoperative

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

TRIPLE

Caregivers Investigators Outcome Assessors

Study Groups

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Ankle Block

Ankle block will be performed under ultrasound guidance.

Group Type ACTIVE_COMPARATOR

Ankle Block

Intervention Type PROCEDURE

Ankle block will be performed prior to surgery under ultrasound guidance

Popliteal sciatic nerve block (PSNB)

PSNB will be performed under ultrasound guidance, along with a saphenous nerve block at the ankle

Group Type ACTIVE_COMPARATOR

Sciatic nerve block

Intervention Type PROCEDURE

Sciatic nerve block will be performed prior to surgery under ultrasound guidance

Interventions

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Ankle Block

Ankle block will be performed prior to surgery under ultrasound guidance

Intervention Type PROCEDURE

Sciatic nerve block

Sciatic nerve block will be performed prior to surgery under ultrasound guidance

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients who are going to undergo a unilateral forefoot surgery ;
* ASA I-III ;
* Aged 18 years or more;
* Weighing at least 45 kg

Exclusion Criteria

* Patient refusal and/or language/cognitive barrier
* Pregnancy
* Contra-indication for regional anesthesia
* Opiate or alcohol dependency
* Concomitant oncological disease with chemotherapy
* Patients suffering from neuropathic pain

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No