Cannula-based Versus Needle-based Subcision for Posttraumatic Atrophic Facial Scars

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

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-11-01

Study Completion Date

2022-12-31

Brief Summary

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This study aims to evaluate the effectiveness of cannula- based subcision versus common needle subcision in treatment of posttraumatic atrophic facial scars

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Detailed Description

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In addition to cosmetic issues, atrophic scars can lead to psychological issues like social isolation, low self-esteem, and embarrassment. Subcision (Subcutaneous incision-less surgery) has been used for years to treat a variety of skin depressions, including atrophic acne scars and other depressed scars. Numerous modifications have been made throughout time to this surgical method to make it easier and more efficient. Although needle subcision is a straightforward, simple, useful, and practical procedure, it has many side effects and the overall success in this procedure is mild to moderate. So, in this study we evaluated the effectiveness of cannula- based subcision versus common needle subcision in treatment of posttraumatic atrophic facial scars.

Conditions

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Scar; Atrophy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Each scar was split into two equal halves; the upper right half were treated using a cannula- based subcision approach, while the lower left half was treated using a common needle-based procedure

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

The assessor was blinded to the treatment applied to each half of the scar.

Study Groups

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Cannula arm

the cannula's 18 gauge tip was pointed upward and approximately parallel to the skin's surface when it was put into the superficial dermis, 1-2 millimeters away from the targeted scar. In order to completely remove fibrous tissue from the superficial dermis, a lancing motion (linear inserting-withdrawing needle action) was utilized first.

Group Type ACTIVE_COMPARATOR

cannula- based subcision

Intervention Type PROCEDURE

Insertion of a needle into the base of a cutaneous scar to cut fibrous tissue and help new collagen formation.

Needle arm

The needle's 27 gauge tip was pointed upward and approximately parallel to the skin's surface when it was put into the superficial dermis, 1-2 millimeters away from the targeted scar. In order to completely remove fibrous tissue from the superficial dermis, a lancing motion (linear inserting-withdrawing needle action) was utilized first.

Group Type ACTIVE_COMPARATOR

common- needle based subcision

Intervention Type PROCEDURE

Insertion of a cannula into the base of a cutaneous scar to cut fibrous tissue and help new collagen formation.

Interventions

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cannula- based subcision

Insertion of a needle into the base of a cutaneous scar to cut fibrous tissue and help new collagen formation.

Intervention Type PROCEDURE

common- needle based subcision

Insertion of a cannula into the base of a cutaneous scar to cut fibrous tissue and help new collagen formation.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Adult Patients (\> 20-years old) with posttraumatic facial scar

Exclusion Criteria

* other types of scars (e.g; postacne scars), pregnancy, lactation, bleeding or coagulation disorders, liability for keloid formation, history of kobnerization, and patients with systemic diseases (cardiac, chronic renal diseases, chronic liver diseases, asthma and hypertension) at the time of recruitment.

Minimum Eligible Age

20 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No