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A new Technique of Sutureless Pars Plana Sclerotomies: Ultrasound Biomicroscopical and Clinical Analysis
1Theelen T., 1Verbeek A. D., 2Van den Biesen P. R., 1Deutman A. F., 1Tilanus M. A. D.,
1Universitair Medisch Centrum "St. Radboud", Instituut voor Oogheelkunde (Nijmegen)
2Universitair Medisch Centrum , F.C. Donders Instituut voor Oogheelkunde (Utrecht)
Purpose: To compare a new technique of sutureless pars plana incisions (wedge-sclerotomies) with conventionally sutured sclerotomies.
Method: Prospectively 20 consecutive eyes undergoing three-port pars plana vitrectomy were studied. Sclerotomies were closed alternately in a sutured, conventional manner or sutureless, radial and wedge-shaped. Patients underwent clinical examination pre and post surgery. Additional ultrasound biomicroscopy (UBM) was performed one day and 6-8 weeks postoperatively.
Results: With all incisions a sufficient wound closure was achieved. No sclerotomy-related complications occured during the study period. There was no clearly visible vitreous incarceration in any sclerotomy. Ultrasound biomicroscopical visualisation of the wedge-sclerotomies was limited, whereas due to suturing identification of the conventional incisions was easy.
Conclusions: Wedge-shaped sclerotomies are a new technique of sutureless pars plana incisions. In the final analysis clinical and ultrasound biomicroscopical examination showed no difference of this method in comparison to conventional sutured sclerotomies. This quick and easy practicable technique with a short learning curve facilitating stabilazation of the intraoperative intraocular pressure seems promising.