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find Author "任增金" 2 results
  • Retrospective analysis of main etiological factors in non-traumatic severe vitreous hemorrhage

    Objective To observe the etiological factors and variation of effects of nontraumatic severe vitreous hemorrhage. Methods A total of 1107 patients (1202 eyes) with nontraumatic severe vitreous hemorrhage who underwent vitrectomy from January 2005 to December 2011 were enrolled in this study. The patients were divided into A group (444 eyes of 415 patients were operated between January 2005 and December 2008) and group B (758 eyes of 692 patients between January 2009 and December 2011) according to admission date. The etiological factors and variations were recorded and retrospectively analyzed. Results Of all 444 eyes in group A, 156 eyes were due to retinal vein occlusion (RVO), 117 eyes associated with proliferative diabetic retinopathy (PDR), 61 eyes with retinal hole/retinal detachment (RH/RD), 42 eyes with Eales disease, 20 eyes with exudative agerelated macular degeneration (EAMD). These diagnoses accounting for 89.19% of the total eyes, were found to be the common causes in patients with severe vitreous hemorrhage, with RVO as the most common cause. Similarly in group B, severe vitreous hemorrhage was found in 347 eyes with proliferative diabetic retinopathy (PDR), 135 eyes with retinal hole/retinal detachment (RH/RD), 133 eyes with retinal vein occlusion (RVO), 25 eyes with Eales disease, 22 eyes with exudative age-related macular degeneration (EAMD), accounting for 87.87% of the total eyes. PDR was the most common cause instead of RVO to vitreous hemorrhage in this group. The number of vitreous hemorrhages increased year by year. Conclusions PDR, RH/RD, RVO, Eales disease and EAMD are the common causes of nontraumatic severe vitreous hemorrhage. There is a trend toward an increasing proportion of PDR among the causes of vitreous hemorrhage.

    Release date:2016-09-02 05:18 Export PDF Favorites Scan
  • The efficacy of micro-invasive vitrectomy for retinal detachment associated with choroidal detachment

    Objective To observe the efficacy and safety of micro-invasive vitrectomy for retinal detachment associated with choroidal detachment. Methods A total of 35 patients (36 eyes) with retinal detachment associated with choroidal detachment were enrolled in this study. The patients included 22 males and 13 females, with a mean age of (51.32 plusmn;17.34) years. Visual acuity was light perception in six eyes, hand movement in 12 eyes, finger counting in nine eyes, 0.01-0.1 in eight eyes, and 0.2 - 0.3 in one eye. The median LogMAR visual acuity was (2.13plusmn;0.50). The median intraocular pressure was (7.08plusmn;2.62) mm Hg (1 mm Hg=0.133 kPa). All the patients were received vitrectomy using 23-gauge instrumentation combined with 25-gauge infusion. Tamponade with silicone oil (35 eyes) or C3F8 gas (one eye) were performed. The median follow-up time was (6.23plusmn;3.07) months. The pre- and post-operative visual acuity, intraocular pressure, the rate of retinal reattachment, the rate of recurrent retinal detachment and complications were comparatively analyzed.Results Retinal reattachment was attained in 36 eyes (100%) at the first day after vitrectomy. Retinal reattachment was attained in 33 eyes (91.7%) and recurrent retinal local detachment was attained in three eyes (8.3%) at one months after vitrectomy. The rate of retinal reattachment was 83.3% (30 eyes) at three months after vitrectomy. One day, one and three months after treatment, the mean LogMAR visual acuity were 1.77plusmn;0.66, 1.53plusmn;0.72, 1.31plusmn;0.77 respectively. The differences of the visual acuity was statistically significant between before and after vitrectomy (F=62.61,P<0.05). One day, one and three months after treatment, the mean intraocular pressure were (12.47plusmn;7.28), (15.51plusmn;6.86), (15.82plusmn;7.60) mm Hg respectively. The differences of the intraocular pressure was statistically significant between before and after vitrectomy (F=6.88,P<0.05).Secondary glaucoma occurred in one eye at three months after vitrectomy. Except this, there was no other complication related to treatment. Conclusion Micro-invasive vitrectomy is a feasible and safe treatment for retinal detachment with choroidal detachment.

    Release date:2016-09-02 05:26 Export PDF Favorites Scan
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