Extension Pin Block vs Pin Orthosis-extension Block Pinning for Bonny Mallet Fractures

NCT ID: NCT05857683

Last Updated: 2023-05-12

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

NA

Total Enrollment

54 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-01

Study Completion Date

2024-06-01

Brief Summary

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This is a single center prospective study comparing the extension pin block vs pin orthosis-extension block pinning for bonny mallet fractures.

Detailed Description

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Mallet finger is a fracture of the distal phalanx involving the dorsal articular surface. It is important because it concerns the extensor tendon attachment site. The clinical manifestation of mallet finger formation is active extension loss at the DIP joint. If the injury is not treated and becomes chronic, the DIP passive extension is gradually lost and a hyperextension posture occurs in the PIP joint due to the compensatory swan neck deformity. Non-surgical methods have an important place in the treatment of mallet finger injuries. The indications for surgical treatment of mallet finger injuries are a matter of debate. Conditions that are widely accepted as definite surgical indications are open injury, individuals who cannot work with a splint, the ruptured dorsal part is large and includes more than 30% of the articular surface, and the presence of palmar subluxation in the DIP. Among the mallet finger surgical treatments, the extension pin block technique , bracing in extension, hook method are defined.

In this prospective study, we aimed to compare the extension pin block technique with the pin orthosis-extension block pinning. In comparison, the patients eligible for the study will be evaluated according to Crawford criteria for function evaluation, complications (infection, nail deformities, skin necrosis, DIP joint osteoarthritis), recovery time.

Conditions

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Mallet Finger

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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extension pin block

this is the technique for mallet finger where 2 pins are used, one for the extension block and other intramedullary for the extension posture

Group Type ACTIVE_COMPARATOR

cextension pin block

Intervention Type PROCEDURE

this is the technique for mallet finger where 2 pins are used, one for the extension block and other intramedullary for the extension posture

pin orthosis- extension block pin

this is the technique for mallet finger where only 1 pin is used for extension block and an orthosis is applied for the extension posture

Group Type ACTIVE_COMPARATOR

pin orthosis- extension block pin

Intervention Type PROCEDURE

this is the technique for mallet finger where only 1 pin is used for extension block and an orthosis is applied for the extension posture

Interventions

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cextension pin block

this is the technique for mallet finger where 2 pins are used, one for the extension block and other intramedullary for the extension posture

Intervention Type PROCEDURE

pin orthosis- extension block pin

this is the technique for mallet finger where only 1 pin is used for extension block and an orthosis is applied for the extension posture

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* 18 years and older patients
* Wehbe classification type 2 b (Type Definition) I No DIP joint subluxation II DIP joint subluxation III Epiphyseal and physeal injuries Subtype A Avulsed fragment \<1/3 of articular surface B Avulsed fragment 1/3-2/3 of articular surface C Avulsed fragment \>2/3 of articular surface )
* Isolated bonny mallet fractures
* Minimum 1 year follow up
* Good cognitive status

Exclusion Criteria

* Patients under the age of 18
* Open fracture
* Chronic mallet finger
* TFracture area that includes more than 50% of the joint face
* Patients whose follow-up less than 1 year
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ankara University

OTHER

Sponsor Role lead

Responsible Party

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Malik Kısmet

MD

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Ankara University Medical Faculty

Ankara, , Turkey (Türkiye)

Site Status RECRUITING

Countries

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Turkey (Türkiye)

Central Contacts

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Malik Kısmet, MD

Role: CONTACT

00905063436401

Yener Yoğun, MD

Role: CONTACT

00905364310071

Facility Contacts

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Malik Kısmet

Role: primary

005063436401

Other Identifiers

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AnkaraUniHand

Identifier Type: -

Identifier Source: org_study_id

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