Vardhan S Ashok, Haripriya Aravind, Ratukondla Banushree, Ramulu Pradeep, Shivakumar Chandrasekaran, Nath Manas, Vijayaraghavan Prabhu, Robin Alan L
Aravind Eye Care System, Tamil Nadu, India.
Wilmer Eye Institute and Bloomberg School of Public Health, The Johns Hopkins University, Baltimore, Maryland.
JAMA Ophthalmol. 2017 Apr 1;135(4):348-354. doi: 10.1001/jamaophthalmol.2017.0064.
IMPORTANCE: Ocular pseudoexfoliation (PEX) syndrome may be associated with systemic vascular diseases, which might suggest a broader health significance of PEX, although previous reports are conflicting. OBJECTIVE: To determine whether prespecified vascular risk factors and cardiac abnormalities are more common among patients with PEX than among control individuals without PEX. DESIGN, SETTING, AND PARTICIPANTS: This cross-sectional analysis of patients recruited into the Aravind Pseudoexfoliation study included South Indian patients older than 40 years with or without PEX who required cataract surgery. Surgical procedures were performed at 4 tertiary Aravind eye hospitals in Tamil Nadu, India, from December 2, 2010, through March 26, 2012. Nine hundred thirty patients with PEX and 476 non-PEX controls underwent detailed ocular examinations, including specific ocular features reflecting PEX. Patients also underwent evaluation for multiple systemic potential cardiovascular diseases and their risk factors. The data collection for this analysis on systemic vascular diseases started on December 2, 2010, and ended on April 30, 2014. This study analysis was specified in the study protocol. MAIN OUTCOMES AND MEASURES: Five cardiovascular outcomes compared between patients with and without PEX included blood glucose, cholesterol, and homocysteine levels; blood pressure; and cardiac morbidity (defined by electrocardiographic [ECG] abnormalities). RESULTS: The study analysis included 930 patients in the PEX group and 476 in the non-PEX group. The mean (SD) ages of patients in the PEX and non-PEX groups were 64.8 (6.8) and 59.9 (7.3) years (P < .001), respectively. More patients in the PEX group were men (470 [50.5%] vs 460 women [49.5%]) than in the non-PEX group (201 [42.2%] vs 275 women [57.8%]; P < .001). In multivariable analyses adjusting for age and sex, higher systolic blood pressure values were noted for the PEX group (difference [Δ], 4.0 mm Hg; 95% CI, 1.7-6.2 mm Hg; P = .001). Also, patients in the PEX group were more likely to demonstrate an ECG abnormality than in the non-PEX group (odds ratio, 1.64; 95% CI, 1.04-2.60; P = .03). Pseudoexfoliation was not observed to be associated with a higher level of blood glucose (Δ, 6.2 mg/dL; 95% CI, -2.0 to 14.3 mg/dL; P = .14), serum cholesterol (Δ, -0.6 mg/dL; 95% CI, -5.1 to 4.0 mg/dL; P = .81), or serum homocysteine level (Δ, 0.004 mg/L; 95% CI, -0.12 to 0.14; P = .96). CONCLUSIONS AND RELEVANCE: Of the 5 cardiovascular outcomes examined in South Indian patients requiring cataract surgery, PEX was associated with higher systolic blood pressure and more frequent ECG abnormalities but not with higher blood glucose, serum cholesterol, or serum homocysteine levels. Patients with PEX are more likely to require attention to blood pressure and cardiac morbidity.
重要性:眼部假性剥脱(PEX)综合征可能与全身性血管疾病相关,这可能提示PEX具有更广泛的健康意义,尽管先前的报告存在矛盾之处。 目的:确定预先指定的血管危险因素和心脏异常在PEX患者中是否比在无PEX的对照个体中更常见。 设计、地点和参与者:这项对纳入阿拉文德假性剥脱研究的患者的横断面分析包括年龄超过40岁、有或无PEX且需要进行白内障手术的南印度患者。手术于2010年12月2日至2012年3月26日在印度泰米尔纳德邦的4家阿拉文德三级眼科医院进行。930例PEX患者和476例非PEX对照者接受了详细的眼部检查,包括反映PEX的特定眼部特征。患者还接受了多种全身性潜在心血管疾病及其危险因素的评估。关于全身性血管疾病的该分析的数据收集于2010年12月2日开始,2014年4月30日结束。本研究分析在研究方案中已明确规定。 主要结局和测量指标:比较有和无PEX患者的5项心血管结局,包括血糖、胆固醇和同型半胱氨酸水平;血压;以及心脏发病率(由心电图[ECG]异常定义)。 结果:研究分析包括PEX组的930例患者和非PEX组的476例患者。PEX组和非PEX组患者的平均(标准差)年龄分别为64.8(6.8)岁和59.9(7.3)岁(P<0.001)。PEX组男性患者(470例[50.5%]对460例女性[49.5%])多于非PEX组(201例[42.2%]对275例女性[57.8%];P<0.001)。在对年龄和性别进行调整的多变量分析中,PEX组的收缩压值更高(差值[Δ],4.0 mmHg;95%置信区间,1.7 - 6.2 mmHg;P = 0.001)。此外,PEX组患者比非PEX组更有可能出现心电图异常(比值比,1.64;95%置信区间,1.04 - 2.60;P = 0.03)。未观察到假性剥脱与更高的血糖水平(Δ,6.2 mg/dL;95%置信区间, - 2.0至14.3 mg/dL;P = 0.14)、血清胆固醇(Δ, - 0.6 mg/dL;95%置信区间, - 5.1至4.0 mg/dL;P = 0.81)或血清同型半胱氨酸水平(Δ,0.004 mg/L;95%置信区间, - 0.12至0.14;P = 0.96)相关。 结论和相关性:在需要进行白内障手术的南印度患者所检查的5项心血管结局中,PEX与更高的收缩压和更频繁的心电图异常相关,但与更高的血糖、血清胆固醇或血清同型半胱氨酸水平无关。PEX患者更需要关注血压和心脏发病率。
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