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AIM:To evaluate two structural predictors of visual outcome of epiretinal membrane surgery.METHODS:Retrospective study for 30 eyes of epiretinal membrane surgery between January 2014 and October 2016.We assessed the related parameters of the optical coherence tomography and recorded the best-corrected visual acuity(BCVA) at baseline and 1,3 and 6mo after surgery.Correlations between the final best-corrected visual acuity and photoreceptor integrity status or photoreceptor outer segment length were investigated.RESULTS:Average best-corrected visual acuity decreased at 1mo postoperatively compared with baseline,but improved at 3 and 6mo.Central macular were more sweller at 1mo postoperatively than baseline,but a significant thickeness reduction was found at 6mo (P＜ 0.05).Photoreceptor outer segment length were shortened at 1 mo compared with preoperation (P＜0.05),gradually approached the baseline level at 3 and 6mo.Multivariate regression the final best-corrected visual acuity associated with photoreceptor integrity and photoreceptor outer segment length (P=0.023,0.004).CONCLUSION:Photoreceptor integrity and photoreceptor outer segment length detected by OCT were significant predictors of the final best-corrected visual acuity(BCVA) after idiopathic epiretinal membrane surgery.
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@#AIM: To decide the type of the idiopathic epiretinal membrane by measuring collagens.<p>METHODS: Totally 25 cases(25 eyes)were divided into cellophane macular reflex membrane(CMRM)and preretinal macular fibrosis membrane(PMFM)by fundus manifestation. Then the specimens of peeled idiopathic epiretinal membranes were made immunohistochemistry and measured for the collagen of Ⅵ and Ⅰ and Ⅱ. The coincidence rate were tested between the fundus examination and pathological examination. <p>RESULTS: The idiopathic epiretinal membranes were classified into 10 CMRM and 15 PMFM by fundus manifestation. The immunohistochemical specimens were classified into 16 Ⅵ collagens and 9Ⅰ or Ⅱ collagens.<p>CONCLUSION: The pathological examination is the means of the type of the idiopathic epiretinal membranes.
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<p><b>OBJECTIVE</b>To explore the therapeutic effects of arthroscopy for post-traumatic chronic wrist pain.</p><p><b>METHODS</b>From February 2007 to June 2010, 12 patients with post-traumatic chronic wrist pain treated with arthroscopy were reviewed. Among the patients, 9 patients were male and 3 patients were female, ranging in age from 19 to 47 years, with a mean of 35.6 years. After physical examinations or MR abnormal findings, all the patients underwent wrist arthroscopic examination and treatment. Eight patients with tear in the central area of the triangular fibrocartilage complex (TFCC) underwent endoscopic partial resection. Two patients with relaxation of inter-carpal ligament after injury underwent radiofrequency shrinkage. One patient with distal radioulnar joint instability was treated with Kirschner fixation through distal radius and ulna in the neutral forearm rotation after clean-up of wrist joint, and also fixed with long arm cast immobilization for 6 weeks. One patient with ulnar impaction syndrome was treated with wrist clean, border modeling of triangular cartilage plate, partial resection of distal ulna.</p><p><b>RESULTS</b>All the patients were followed up with an average duration of 10 months. Modified Mayo wrist score were evaluated from preoperative mean of (51.67 +/- 15.27) ( 25 to 75 scores) to postoperative mean of (77.92 +/- 10.54) (65 to 95 scores). Eleven patients recovered to normal work.</p><p><b>CONCLUSION</b>Arthroscopy is an effective method for patients with post-traumatic chronic wrist pain which can diagnosis and cure the injuries under arthroscopy.</p>