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首页> 外文期刊>Journal of refractive surgery >Influence of temperature and humidity on laser in situ keratomileusis outcomes.
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Influence of temperature and humidity on laser in situ keratomileusis outcomes.

机译：温度和湿度对激光原位角膜磨镶术结局的影响。

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PURPOSE: The influence of ambient factors on the results of refractive surgery is not well-known. This study evaluated the influence of temperature and humidity on laser in situ keratomileusis (LASIK) outcomes. METHODS: Two hundred thirty-seven patients who underwent LASIK at the Clivan Instituto de Oftalmologia in Salvador--Bahia--Brazil, between May 1999 and March 2000, were evaluated. A total of 156 (65.8%) patients were female. Mean age was 30.3 +/- 7.6 years. Refractive errors: 197 patients (83.12%) had compound myopic astigmatism, 17 patients (7.17%) had myopia, 11 patients (4.64%) had compound hyperopic astigmatism, and 12 patients (5.07%) had other. Results at 15 and 60 days after LASIK were compared according to different levels of temperature and humidity in the operating room during the procedure. RESULTS: Patients whose spherical equivalent refraction varied between -0.50 to +0.50 D at 15 days after LASIK had surgery performed when the temperature was 25.1 +/- 1.4 degrees C and humidity was 45.1 +/- 4.2%; for the others, temperature was 24.7 +/- 1.5 degrees C (P = .12) and humidity was 43.0 +/- 4.0% (P = .002). The linear regression coefficient showed that lower temperature levels were associated with lower spherical equivalent refractions at 60 days after LASIK (r2 = .14; P = .03) but not at 15 days after LASIK (P = .98). The evaluation of humidity indicated an influence at 15 days after LASIK (r2 = .44; P = .04), as well as at 60 days (r2 = .45; P = .0002). CONCLUSION: Operating room environment may influence LASIK outcomes; humidity may be more significant than temperature.
机译：目的：环境因素对屈光手术结果的影响尚不清楚。这项研究评估了温度和湿度对激光原位角膜磨镶术（LASIK）结果的影响。方法：评估了1999年5月至2000年3月在萨尔瓦多-巴伊亚州-巴西的临床研究中心进行LASIK手术的237例患者。共有156名（65.8％）患者为女性。平均年龄为30.3 +/- 7.6岁。屈光不正：197例（83.12％）患有复合近视散光，17例（7.17％）患有近视，11例患者（4.64％）患有复合远视散光，12例（5.07％）患有其他近视散光。在手术过程中，根据手术室内温度和湿度的不同水平比较了LASIK术后15天和60天的结果。结果：LASIK手术后第15天，当量屈光度在-0.50至+0.50 D之间变化的患者接受了手术，温度为25.1 +/- 1.4摄氏度，湿度为45.1 +/- 4.2％。其他温度为24.7 +/- 1.5摄氏度（P = .12），湿度为43.0 +/- 4.0％（P = .002）。线性回归系数表明，较低的温度水平与LASIK术后60天的较低球面等效屈光度有关（r2 = .14; P = .03），而在LASIK术后15天则不相关（P = .98）。湿度评估表明在LASIK术后15天（r2 = .44; P = .04）和60天（r2 = .45; P = .0002）会产生影响。结论：手术室环境可能会影响LASIK结果;湿度可能比温度重要。

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