Extramembranous and Interosseous Technique of Tibialis Posterior Tendon Transfer

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

TERMINATED

Clinical Phase

NA

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-03-31

Study Completion Date

2019-12-31

Brief Summary

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Foot drop deformity is a life limiting condition characterized by loss of ankle dorsiflexion and eversion. Main condition leading to drop foot condition include irrecoverable muscle and nerve injuries, poliomyelitis, drug poisoning, strokes, cerebral palsy, Charcot - Marie - Tooth disease, meningomyelocele, club foot, Friedreich's ataxia and Leprosy (1-4).

Anterior transposition of Posterior tibialis tendon (PTT) is the gold standard for surgical restoration of functional dorsiflexion of a permanently paralyzed foot (1, 4-10). Two methods of rerouting the posterior tibialis tendon have been reported, one through the interosseous membrane i.e. Interosseous route (7, 10) and second subcutaneously around the medial side of tibia i.e. Extramembranous or circumtibial route (11-13). Both these techniques have been widely described in literature (4-16) and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors.

There is a clinical equipoise with regards to these two techniques of Tibialis posterior tendon transfer and through our study we aim to compare the clinical and functional outcomes of these two techniques. There are no studies in literature which compare the clinical and functional outcomes with regards to both these methods. Although there are many studies to demonstrate the functional and clinical effectiveness of the respective procedures, there is a paucity of clinical trials comparing these two surgical techniques with regards to clinical and functional outcomes. Furthermore there are no head to head clinical trials to compare the outcomes with regards to these two methods of Tibialis Posterior tendon transfer (Medline search dated 03/03/ 2012)

we propose to compare the clinical and functional outcomes with regards to the two techniques i.e extra membranous and Interosseous technique of Tibialis Posterior tendon transfer performed in patients with foot drop as a result of nerve palsy.

Through our prospective randomized trial we aim to answer the research question, whether one method has any superior outcome over the other?

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Detailed Description

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Foot drop deformity is a life limiting condition. This has far reaching consequences in patients of all age groups. Anterior transfer of tibialis posterior tendon is now regarded as the gold standard treatment as this allows walking without wearing an orthosis and thus substantial improvement in quality of life. This equally applies to developing and developed world.

The rationale for our study is that that there is a clinical equipoise with regards to these two techniques of Tibialis posterior tendon transfer and through our study we aim to compare the clinical and functional outcomes of these two techniques. Both these techniques have been widely described in literature (References attached) and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors.

There are no studies in literature which compare the clinical and functional outcomes with regards to both these methods. Although there are many studies to demonstrate the functional and clinical effectiveness of the respective procedures, there is a paucity of clinical trials comparing these two surgical techniques with regards to clinical and functional outcomes. Furthermore there are no head to head clinical trials to compare the outcomes with regards to these two methods of Tibialis Posterior tendon transfer (Pub med search dated 12/03/2012)

This study is of great interest to health care professionals managing foot drop both in developing and developed world. The answer to our research question; whether one surgical technique has better clinical, functional and quality of life over the other, will greatly impact the future surgical management of foot drop.

Conditions

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Muscle Injury Nerve Injury Poliomyelitis Leprosy Cerebral Palsy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Interosseous route of TPTT

The investigators will have two groups of patients, one who had their tendon transfer using the extra membranous route and other group which had their tendon transfer through the interosseous route. Patients will be randomized to either groups before the surgery and both the patients and the assessors will be blinded to the technique used. Both these techniques have been widely described in literature and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors.

Group Type ACTIVE_COMPARATOR

Interosseous route of TPTT

Intervention Type PROCEDURE

Anterior transposition of Posterior tibialis tendon (PTT) is the gold standard for surgical restoration of functional dorsiflexion of a permanently paralyzed foot. Two methods of rerouting the posterior tibialis tendon have been reported, one through the interosseous membrane i.e. Interosseous route and second subcutaneously around the medial side of tibia i.e. Extramembranous or circumtibial route. Both these techniques have been widely described in literature and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors

Extra membranous route of TPTT

Extramembranous or circumtibial route of Tibialis Posterior tendon transfer.Both these techniques have been widely described in literature and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors

Group Type ACTIVE_COMPARATOR

Extra membranous route of TPTT

Intervention Type PROCEDURE

Rerouting the posterior tibialis tendon subcutaneously around the medial side of tibia i.e. Extramembranous or circumtibial route (

Interventions

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Interosseous route of TPTT

Anterior transposition of Posterior tibialis tendon (PTT) is the gold standard for surgical restoration of functional dorsiflexion of a permanently paralyzed foot. Two methods of rerouting the posterior tibialis tendon have been reported, one through the interosseous membrane i.e. Interosseous route and second subcutaneously around the medial side of tibia i.e. Extramembranous or circumtibial route. Both these techniques have been widely described in literature and are being extensively used in surgical management of foot drop. The selection of technique depends on surgeon choice and patient factors

Intervention Type PROCEDURE

Extra membranous route of TPTT

Rerouting the posterior tibialis tendon subcutaneously around the medial side of tibia i.e. Extramembranous or circumtibial route (

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Traumatic peroneal nerve injuries in age group 16 yrs to 80 yrs Upper-level nerve injuries after hip and lumbar surgery

Exclusion Criteria

* Sciatic nerve injuries with tibial component Previous fractures to Distal 1/3rd Tibia and fibula Previous history of Neuropathy Patients who are mentally challenged, vulnerable or non- English speakers will not be part of our study.

Minimum Eligible Age

16 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes