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Microneedling Improves Appearance of Surgical Scars – Especially If Performed Early

Performed early after surgery, a procedure called microneedling can improve the final appearance of surgical scars – with best results if done within 6 to 7 weeks, reports a study in the September issue of Plastic and Reconstructive Surgery®, the official medical journal of the American Society of Plastic Surgeons (ASPS).

That's in contrast to the "conventional wisdom" that treatments to improve the appearance of surgical scars should be delayed for up to a year, according to the new research by Casey Gene Sheck, DO, of Cooper University Hospital, Camden, N.J., and colleagues. They write, "Our findings suggest that microneedling 6 weeks after surgery to restart the healing process is an option to improve the final outcomes of postoperative scarring,"

'Paradigm shift' on preventive approaches to improve scarring

Microneedling is a nonsurgical technique that has been used to improve the appearance of the skin in a number of conditions, such as chronic acne scars. In this procedure, after the skin is numbed, a power handpiece with needles of different sizes is used to is used to create tiny channels in the skin.

Sometimes called "minimally invasive percutaneous collagen induction," microneedling works by inducing the body's own healing factors, such as collagen and elastin. Typically, microneedling or other treatments to improve the appearance of surgical scars have been delayed until after the scar has fully matured: between 6 and 12 months. Dr. Sheck and colleagues evaluated an alternative approach using microneedling in earlier phases of the healing process, with the goal of reactivating the healing pathway.

The study included 25 women with surgical scars resulting from various plastic/skin surgery procedures, such as benign lesion removal, facelift or tummy tuck. Each patient underwent microneedling, with the first treatment performed at 6 and 16 weeks after surgery. The second and third treatments were performed 4 and 8 weeks later, respectively.

After microneedling, the patients had significant improvement in scar appearance, based on three different standardized assessments. For example, on the Patient and Observer Scar Scale (POSAS, with a range from 6 to 60, with lower scores indicating better appearance), average score decreased from 23.7 before microneedling to 11.7 at follow-up (two months after the last treatment).

The researchers also compared results for patients who started microneedling earlier, 6 to 7 weeks after surgery; versus later, 13 to 16 weeks. The results showed "markedly better" improvement in POSAS scores for the earlier treatment group: from 16.8 to 8.1, compared with 26.1 to 14.2 in the later treatment group. Outcomes were similar for patients in different age groups and for those with scars located on the body versus face.

The study raises new questions about the timing of microneedling to improve the appearance of surgical scars. In contrast to the standard advice to delay treatment until the scar is completely healed, the new study suggests that early microneedling – performed during the late proliferation/early maturation phase of healing – produces can markedly improve final scar appearance. The improvement may result from reactivation of the healing process at a time when collagen production has started to decline.

"While more research is needed to fully evaluate this finding, it certainly represents a significant paradigm shift in scar management," Dr. Sheck and colleagues conclude. "Patients and surgeons interested in maximizing scar management may elect for early intervention with microneedling prior to development of undesirable scars as a matter of preventative care."

Plastic and Reconstructive Surgery® is published by Wolters Kluwer.

Click here to read "Microneedling Outcomes in Early Postsurgical Scars"

Article: "Microneedling Outcomes in Early Postsurgical Scars" (doi: 10.1097/PRS.0000000000009466)

About Plastic and Reconstructive Surgery

For over 75 years, Plastic and Reconstructive Surgery® has been the one consistently excellent reference for every specialist who uses plastic surgery techniques or works in conjunction with a plastic surgeon. The official journal of the American Society of Plastic Surgeons, Plastic and Reconstructive Surgery® brings subscribers up-to-the-minute reports on the latest techniques and follow-up for all areas of plastic and reconstructive surgery, including breast reconstruction, experimental studies, maxillofacial reconstruction, hand and microsurgery, burn repair and cosmetic surgery, as well as news on medico-legal issues.

About ASPS

The American Society of Plastic Surgeons (ASPS) is the largest organization of board-certified plastic surgeons in the world. Representing more than 7,000 physician members, the society is recognized as a leading authority and information source on cosmetic and reconstructive plastic surgery. ASPS comprises more than 93 percent of all board-certified plastic surgeons in the United States. Founded in 1931, the society represents physicians certified by The American Board of Plastic Surgery or The Royal College of Physicians and Surgeons of Canada.

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