Department of EyeSmart EMR and AEye, Public Health, and Economics Research Center, Hyderabad, Telangana, India.
Indian Health Outcomes, Public Health, and Economics Research Center, Hyderabad, Telangana, India.
Indian J Ophthalmol. 2024 Jun 1;72(6):890-895. doi: 10.4103/IJO.IJO_1712_23. Epub 2024 Jan 8.
To characterize hemi-retinal vein occlusion (HRVO) in patients presenting to a multi-tier ophthalmology hospital network.
This retrospective, hospital-based study analyzed 2,834,616 new patients between August 2010 and June 2021. Patients with a clinical diagnosis of HRVO in at least one eye were included as cases. Data were collected using an electronic medical record system. Data were compared to the findings noted in branch RVO (BRVO) and central RVO (CRVO) patients.
HRVO constituted 0.9% ( n = 191) of all the retinal vein occlusions (RVOs), with the mean age being 60.55 ± 10.14 years. Most patients were male (125, 65.45%) with unilateral (92.67%) affliction. Majority presented during the sixth (31.41%) or seventh (32.46%) decade of life. Most patients reported mild (37.07%) or moderate (27.32%) visual impairment, with vision < 20/200 being less common in HRVO (25.8%) and BRVO (17.2%) compared to CRVO (44.1%) ( P < 0.00001). Glaucoma was diagnosed and treated in 49 (23.90%) eyes, which was much higher than CRVO (11.45%) and BRVO (5.04%) ( P < 0.001), though neovascular glaucoma was much less than CRVO (2.9% vs. 9.2%) ( P = 0.0037). On follow-up, HRVO eyes (12.2%) had lesser vision loss compared to CRVO eyes (13.7%) (this difference does not look very significant to me), though BRVO had the least (9.1%) vision loss.
HRVO is a rare RVO, presenting more in males. It causes less-severe visual impairment compared to CRVO. Large majority of patients with HRVO do not have identifiable systemic risk factors other than age. Preexisting glaucoma was more associated with HRVO compared to other RVOs.
描述在多级别眼科医院网络就诊的半侧视网膜静脉阻塞（HRVO）患者的特征。
本回顾性基于医院的研究分析了 2834616 名 2010 年 8 月至 2021 年 6 月之间的新患者。至少一只眼存在 HRVO 临床诊断的患者被纳入病例。数据使用电子病历系统收集。数据与分支静脉阻塞（BRVO）和中央静脉阻塞（CRVO）患者的发现进行了比较。
HRVO 占所有视网膜静脉阻塞（RVOs）的 0.9%（n=191），平均年龄为 60.55±10.14 岁。大多数患者为男性（125 例，65.45%），单侧受累（92.67%）。大多数患者在第六（31.41%）或第七（32.46%）个十年期间出现症状。大多数患者报告轻度（37.07%）或中度（27.32%）视力障碍，HRVO（25.8%）和 BRVO（17.2%）中视力<20/200 的情况较 CRVO（44.1%）少见（P<0.00001）。49 只眼（23.90%）被诊断和治疗青光眼，明显高于 CRVO（11.45%）和 BRVO（5.04%）（P<0.001），但新生血管性青光眼明显少于 CRVO（2.9%比 9.2%）（P=0.0037）。随访时，HRVO 眼（12.2%）的视力损失小于 CRVO 眼（13.7%）（这一差异对我来说似乎并不显著），而 BRVO 则是视力损失最小（9.1%）。
HRVO 是一种罕见的 RVO，在男性中更为常见。与 CRVO 相比，它导致的视力损害程度较轻。大多数 HRVO 患者除年龄外，没有其他可识别的系统性危险因素。与其他 RVO 相比，HRVO 更常与预先存在的青光眼相关。
