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Research on the diagnosis of posterior vitreous detachment in rhegmatogenous retinal detachment patients |
WANG Feng-hua,WANG Wen-qiu,YU Su-qin,MO Ya-nan,ZHANG Lei,JIANG Yuan,LIU Hai-yun,WANG Hong,ZHANG Xi,XU Xun,SUN Xiao-dong |
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Abstract Objective To investigate the prevalence of complete posterior vitreous detachment in rhegmatogenous retinal detachment (RRD) patients and to evaluate the following diagnostic tests:fundus examination,B-scan ultrasound and optical coherence tomography (OCT).Methods Thirty patients (30 eyes) with RRD who underwent vitrectomy in Shanghai First People's Hospital were included in this prospective case-series study.Patients received comprehensive ocular examinations that included fundus examination,B-scan ultrasound and OCT.TA stain (triamcinolone acetonide) was used to assist during the vitrectomy surgery as well as being the gold standard for PVD diagnosis.Data were analyzed using a Kappa test.Results The rate of detection for the prevalence of complete PVD was as follows:10.0% by TA stain,76.7% by B-scan,36.7% by fundus examination and 13.3% by OCT.Different rates of PVD detection were found by the above examinations and,of these,the difference was most significant between B-scan and observation during surgery.Conclusion Observation during surgery with the help of TA is comparatively the most persuasive diagnostic method for PVD.Different examination methods can be selected for individual cases.
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Received: 03 August 2011
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