Josep Callizo1, Nicolas Feltgen2, Stefanie Pantenburg1, Armin Wolf3, Aljoscha Steffen Neubauer3, Bernhard Jurklies4, Rolf Wachter5, Claudia Schmoor6, Martin Schumacher7, Bernd Junker8, Amelie Pielen8. 1. Department of Ophthalmology, Georg-August University, Goettingen, Germany. 2. Department of Ophthalmology, Georg-August University, Goettingen, Germany. Electronic address: nicolas.feltgen@med.uni-goettingen.de. 3. Department of Ophthalmology, Ludwig-Maximillians-University, Muenchen, Germany. 4. Helios Clinics Wuppertal, Wuppertal, Germany. 5. Clinic for Cardiology and Pneumology and German Cardiovascular Research Center, Georg-August University, Goettingen, Germany. 6. Clinical Trials Unit, Albert-Ludwigs University, Freiburg, Germany. 7. Clinic of Neuroradiology, Albert-Ludwigs University, Freiburg, Germany. 8. Hannover Medical School, University Eye Hospital, Hannover, Germany.
Abstract
PURPOSE: To analyze the underlying risk factors in patients with nonarteritic central retinal artery occlusion (CRAO) in a well-defined and homogenous group of patients enrolled in the European Assessment Group for Lysis in the Eye (EAGLE) study. DESIGN: Analysis of the cardiovascular risk factors in a prospective, randomized clinical trial. PARTICIPANTS: Seventy-seven EAGLE patients with nonarteritic CRAO. METHODS: Analysis of vascular risk factors and underlying diseases detected by questionnaire and standardized physical examination within 1 month after occlusion. MAIN OUTCOME MEASURES: The standardized physical examination included carotid Doppler ultrasonography, echocardiography, electrocardiography, blood pressure monitoring, pulse rate, urine analysis, body mass index analysis, and laboratory tests. RESULTS:Seventy-seven of 84 patients had complete datasets for analysis. Fifty-two (67%) patients had cardiovascular risk factors in their medical history, and comprehensive phenotyping identified at least 1 new risk factor in 60 patients (78%; 95% confidence interval, 67%-87%). Thirty-one (40%) had carotid artery stenosis of at least 70%. Eleven patients experienced a stroke, 5 of those within 4 weeks after the CRAO occurred. Arterial hypertension was found in 56 (73%) patients and was newly diagnosed in 12 (16%) study participants. Cardiac diseases were also highly prevalent (22% coronary artery disease, 20% atrial fibrillation, and 17% valvular heart disease). CONCLUSIONS: Previously undiagnosed vascular risk factors were found in 78% of all CRAO patients. The most meaningful risk factor was ipsilateral carotid artery stenosis. A comprehensive and prompt diagnostic work-up is mandatory for all CRAO patients.
RCT Entities:
PURPOSE: To analyze the underlying risk factors in patients with nonarteritic central retinal artery occlusion (CRAO) in a well-defined and homogenous group of patients enrolled in the European Assessment Group for Lysis in the Eye (EAGLE) study. DESIGN: Analysis of the cardiovascular risk factors in a prospective, randomized clinical trial. PARTICIPANTS: Seventy-seven EAGLE patients with nonarteritic CRAO. METHODS: Analysis of vascular risk factors and underlying diseases detected by questionnaire and standardized physical examination within 1 month after occlusion. MAIN OUTCOME MEASURES: The standardized physical examination included carotid Doppler ultrasonography, echocardiography, electrocardiography, blood pressure monitoring, pulse rate, urine analysis, body mass index analysis, and laboratory tests. RESULTS: Seventy-seven of 84 patients had complete datasets for analysis. Fifty-two (67%) patients had cardiovascular risk factors in their medical history, and comprehensive phenotyping identified at least 1 new risk factor in 60 patients (78%; 95% confidence interval, 67%-87%). Thirty-one (40%) had carotid artery stenosis of at least 70%. Eleven patients experienced a stroke, 5 of those within 4 weeks after the CRAO occurred. Arterial hypertension was found in 56 (73%) patients and was newly diagnosed in 12 (16%) study participants. Cardiac diseases were also highly prevalent (22% coronary artery disease, 20% atrial fibrillation, and 17% valvular heart disease). CONCLUSIONS: Previously undiagnosed vascular risk factors were found in 78% of all CRAO patients. The most meaningful risk factor was ipsilateral carotid artery stenosis. A comprehensive and prompt diagnostic work-up is mandatory for all CRAO patients.
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