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Axial length may predict initial retinal reattachment in highly myopic eyes
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Among highly myopic eyes with retinal detachments caused by macular holes, successful initial reattachment greatly improves visual prognosis after pars plana vitrectomy with gas tamponade, a retrospective multicenter study found. In addition, axial length may be considered a prognostic factor for initial reattachment after the procedure.
Hideo Nakanishi, MD, and colleagues reviewed the records of 49 highly myopic eyes of 48 patients with retinal detachments secondary to macular holes who underwent primary pars plana vitrectomy with gas tamponade. They then determined prognostic indicators of initial reattachment. Study results were published in the August issue of American Journal of Ophthalmology.
The patients all had axial lengths greater than 28 mm.
Initial reattachments was successful in 34 eyes (69%), the authors reported.
Postop best corrected visual acuity was significantly better among these 34 eyes with successful reattachments than in the 15 eyes with initially failed reattachments (P < .05); there was no significant difference in baseline BCVA between eyes with successful and failed reattachments.
The average axial length of eyes with initial success was 29.26 mm, significantly shorter than 30.04 mm among eyes with initial failure (P = .049), according to the study.
The investigators found no significant differences regarding internal limiting membrane peeling or type of tamponade gas between eyes with successful and failed reattachments.
According to multiple logistic regression analysis for preoperative factors, axial length was significantly associated with initial reattachment success (P < .05).