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An adjustable double running suture technique for keratoplasty
T E Clinch1, H W Thompson, B P Gardner
1LSU Eye Center, Louisiana State University Medical Center School of Medicine, New Orleans.
American Journal of Ophthalmology
|August 15, 1993
Summary
This study on penetrating keratoplasty found that an adjustable suture technique led to rapid visual recovery and reduced astigmatism. Early suture removal was facilitated, improving patient outcomes.
Area of Science:
- Ophthalmology
- Corneal Surgery
- Refractive Surgery
Background:
- Astigmatism is a common complication following penetrating keratoplasty.
- Traditional suture techniques can lead to prolonged visual recovery and persistent astigmatism.
Purpose of the Study:
- To evaluate the efficacy of a double running nylon suture technique with early adjustment for managing astigmatism after penetrating keratoplasty.
- To assess visual recovery speed and final visual acuity in patients undergoing this modified suture technique.
Main Methods:
- Retrospective analysis of 30 consecutive penetrating keratoplasty cases.
- Utilized a double running 10-0/11-0 nylon suture technique.
- Early postoperative adjustment of the 10-0 suture to correct astigmatism, with early removal facilitated by the 11-0 suture if needed.
Main Results:
- Achieved rapid visual recovery at a mean of 12.3 weeks.
- Resulted in low final astigmatism, averaging 2.66 diopters.
- 89% of visually rehabilitated patients (28/30) attained a visual acuity of 20/20 to 20/40, which remained stable.
Conclusions:
- The double running suture technique with early adjustment is effective in reducing astigmatism after penetrating keratoplasty.
- This method promotes faster visual rehabilitation and achieves good, stable visual acuity.
- The technique allows for timely intervention and suture removal, optimizing patient outcomes.