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The Donati stitch revisited: favorable cosmetic results in a randomized clinical trial
1Department of Gynaecology, Leiden University Medical Center, The Netherlands. J.B.M.Z.Trimbos@lumc.nl
Background:
Literature on the cosmetic results of various surgical methods to close the skin is scarce. We sought to compare the cosmetic results of two different surgical techniques of skin closure after lower midline laparotomy.
Materials And Methods:
A randomized clinical trial compared a running nylon skin suture to interrupted Donati stitches in 58 patients undergoing gynecological surgery. Scar hypertrophy, scar width, scar color, the presence of cross-hatching marks, and a total scar score were assessed in all patients at 2 weeks, 6 months, and 12 months postoperatively.
Results:
On average closing the wounds with Donati stitches took 5 min longer than using a running suture (P > 0.001). The Donati sutures caused significantly less cross-hatching at 2 weeks and 6 months postoperatively. At 1 year, the scar color following Donati closure was also significantly less pronounced than in the running suture arm. The total scar score was significantly better in the Donati arm at each of the three time periods of assessment. The difference at 6 months was equal to the difference at 1 year.
Conclusions:
Closing the skin of lower midline laparotomy wounds with Donati stitches resulted in a cosmetically better scar. Scar cosmetics of lower midline laparotomies could be improved by using interrupted Donati stitches instead of a running suture. The difference was significant at 2 weeks, 6 months, and 12 months postoperatively, but the magnitude of the difference was the same at 6 and at 12 months.