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A Novel Single-puncture Triple Nerve Block; Sciatic, Obturator, Femoral Technique (SOFT), as a Sole Anesthesia for Knee Surgeries

NCT ID: NCT02951520

Last Updated: 2016-11-03

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

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-10-31

Brief Summary

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This study aims to describe and to evaluate the effectiveness (success rate) of a supine ultrasound (US) guided single-puncture sciatic, obturator and femoral neve block technique (SOFT block) in knee surgery.

Detailed Description

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Under aseptic technique, all the patients will receive US-guided femoral, obturator and sciatic nerve blocks using a single puncture point. All blocks will be performed by an expert anesthetist. The femoral nerve will be blocked lateral to the femoral artery. The obturator nerve will be blocked after it exits the obturator canal (deep to pectineus muscle). While the sciatic nerve will be blocked deep (posterior) to the inferior border of quadratus femoris muscle. The motor block of the femoral, obturator and sciatic nerves and sensory block of the lateral femoral cutaneous nerve (LFCN) will be assessed before shifting the patient to the operating room.

The performance time, patient discomfort, technique success rate, the associated successful LFCN block and any complication will be recorded by the assistant. All patients were assessed neurologically before discharge and during the physiotherapy visits for 3 weak after surgery.

Conditions

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Arthroscopic Knee Ligament Reconstruction

Keywords

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Patients

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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SOFT block

Fifty patients will form the study group (one group). All the patients will receive supine ultrasound guided (US) sciatic, obturator, femoral nerve block technique using a single skin puncture (SOFT block).

Group Type EXPERIMENTAL

new technique for lower limb nerve blocks using a single skin puncture (SOFT block)

Intervention Type PROCEDURE

The patients will be in supine position. The block needle will be inserted at the inguinal crease (medial to the femoral vein) and advanced towards the femoral nerve, then redirected towards the obturator nerve (deep to the pectineus muscle). Lastly, it will be redirected posteriorly towards the sciatic nerve (deep to the quadratus femoris muscle). A ropivacaine-lidocaine-epinephrine mixture will be used to block these nerves. The block success rate (painless surgery), performance time and patient discomfort will be recorded.

Interventions

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new technique for lower limb nerve blocks using a single skin puncture (SOFT block)

The patients will be in supine position. The block needle will be inserted at the inguinal crease (medial to the femoral vein) and advanced towards the femoral nerve, then redirected towards the obturator nerve (deep to the pectineus muscle). Lastly, it will be redirected posteriorly towards the sciatic nerve (deep to the quadratus femoris muscle). A ropivacaine-lidocaine-epinephrine mixture will be used to block these nerves. The block success rate (painless surgery), performance time and patient discomfort will be recorded.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Adult patients scheduled for arthroscopic knee ligament reconstruction

Exclusion Criteria

* BMI \> 30 kg.m-2,
* ASA physical state \>II
* Allergy to the used local anesthetics
* Infection at the injection site
* age \<18y
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Healthpoint Hospital

OTHER

Sponsor Role lead

Responsible Party

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Ahmad Muhammad Taha

Consultant of anesthesia

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Healthpoint Hospital

Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates

Site Status RECRUITING

Countries

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United Arab Emirates

Central Contacts

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Ahmad M Taha, MD

Role: CONTACT

Phone: 00971508297326

Email: [email protected]

Facility Contacts

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Sabah Zahooruddin

Role: primary

Other Identifiers

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REC 001

Identifier Type: -

Identifier Source: org_study_id