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目的探讨复杂性眼外伤玻璃体切除术后发生低眼压的危险因素。方法对208例(208眼)复杂性眼外伤行玻璃体切除手术的临床资料进行回顾性分析,低眼压标准为≤5mmHg持续1个月以上。结果208眼中,术后1年低眼压的发生率为19.71%。进行卡方检验表明:无晶状体眼和有晶状体眼术后低眼压的发生率分别为21.45%和17.07%,差异有统计学意义;视网膜切除和不切除术后低眼压的发生率分别为35.48%和13.00%,差异有统计学意义;玻璃体基底部切除干净与不干净术后低眼压的发生率分别为11.51%和36.25%,差异有统计学意义;术前低眼压与非低眼压术后低眼压的发生率分别为30.77%和13.08%,差异有统计学意义;术前有眼内炎与无眼内炎术后低眼压的发生率分别为33.33%与16.86%,差异有统计学意义;术前有视网膜脱离和无视网膜脱离术后低眼压的发生率分别为39.58%和13.75%,差异有统计学意义;有无睫状体破裂术后低眼压的发生率分别为35.14%和11.19%,差异有统计学意义;有无眼内异物术后低眼压的发生率分别为35.48%和41.30%,差异有统计学意义。结论术前低眼压、睫状体破裂、视网膜脱离、眼内炎、术中晶状体切除(或术前无晶状体)、视网膜切除以及玻璃体基底部残留较多是复杂眼外伤玻璃体切除术后低眼压发生的危险因素。
Objective To investigate the risk factors of hypotony after complicated vitreous ophthalmotomy. Methods The clinical data of 208 cases (208 eyes) complicated with ocular trauma undergoing vitrectomy were retrospectively analyzed. The standard of IOP was ≤5 mmHg for more than one month. Results In 208 eyes, the incidence of hypotony after one year was 19.71%. The chi-square test showed that: the incidence of postoperative low intraocular pressure in patients with aphakia and phakic eyes were 21.45% and 17.07%, respectively, the difference was statistically significant; the incidence of low intraocular pressure after retinal resection and non-resection were 35.48% and 13.00% respectively, the difference was statistically significant. The incidences of postoperative low intraocular pressure (IOP) were 11.51% and 36.25%, respectively, with significant differences between preoperative IOP and non-IOP The incidence of intraocular pressure after intraocular pressure were 30.77% and 13.08%, the difference was statistically significant; preoperative endophthalmitis and endophthalmitis postoperative intraocular pressure were 33.33% and 16.86% , The difference was statistically significant; preoperative retinal detachment and retinal detachment postoperative low intraocular pressure incidence rates were 39.58% and 13.75%, the difference was statistically significant; with or without ciliary body fracture hypotony The incidence rates were 35.14% and 11.19% respectively, the difference was statistically significant. The incidences of intraocular foreign body postoperative intraocular pressure were 35.48% and 41.30% respectively, the difference was statistically significant. Conclusions Preoperative low intraocular pressure, ciliary body rupture, retinal detachment, endophthalmitis, intraoperative lensectomy (or aphakia), retinal resection and residual basal vitreous are the most common complications after vitrectomy Pressure risk factors.