Injection of freshly collected autologous adipose tissue into non-healing wounds after closed incision pilonidal surgery

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  • S. Haas
  • M. J. Sørensen, Randers Regional Hospital
  • ,
  • L. Lundby
  • ,
  • A. G. Pedersen, Randers Regional Hospital

Background: Chronic non-healing wounds are a major problem after closed incision pilonidal surgery. Freshly collected autologous adipose tissue injected into perianal fistulas in patients with Crohn’s disease seems to promote healing. We investigated this technique in patients with non-healing wounds after cleft-lift surgery for pilonidal sinus disease (PSD). Method: In a prospective interventional pilot study conducted at our institution autologous adipose tissue from the abdominal wall was harvested, and injected into chronic non-healing PS wounds after surgical revision, healing rate being the primary outcome. The wounds were left open. Patients were followed every 2 to 3 weeks until complete healing (skin coverage, no undermining). Results: 7 male patients were included (mean age 24 ± 0,6 SD years) and complete healing was achieved in 6 patients (86%). Median time to healing was 90 days (range 36-403 days ) and mean follow-up time was 388± 45 days. All patients reported major symptom relief shortly after the procedure. The mean operation time was 80 ± 23 minutes and the mean amount of freshly collected adipose tissue injected was 27.4± 12 ml. There were no complications. Conclusions: Freshly collected autologous adipose tissue injected into chronic non-healing pilonidal wounds seems safe and efficient.

OriginalsprogEngelsk
TidsskriftTechniques in Coloproctology
Vol/bind24
Nummer12
Sider (fra-til)1301-1306
Antal sider6
ISSN1123-6337
DOI
StatusUdgivet - dec. 2020

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