EARLY PERSISTENT RELAPSES OF DIABETIC MACULPATHY AFTER SURGICAL TREATMENT AND ENDOTELIN-1 LEVEL IN PATIENTS WITH TYPE 2 DIABETES MELLITUS
About the author:
Panchenko Yu. O.
CLINICAL AND EXPERIMENTAL MEDICINE
Type of article:
In type 2 diabetes mellitus (T2DM), a cascade of pathological reactions unfolds in the vascular endothelium, which, in turn, is included in the pathogenesis mechanisms and causes the development of complications. The main marker of endothelial function is its hormone – endothelin-1 (ET1). The purpose of study was to investigate the impact of endothelin-1 blood level on development of early persistent relapses of diabetic maculopathy after surgical treatment in patients with type 2 diabetes mellitus. We observed 313 patients T2DM (313 eyes) with DMP and initial (group 1; n=40), moderate or severe nonproliferative (NPDR; group 2; n=92) and proliferative diabetic retinopathy (PDR; group 3; n=181). The severity of retinopathy and DMP was determined in accordance with the recommendations of the American Academy of Ophthalmology (2002). In this study, patients underwent four types of surgical interventions: 78 patients underwent a three-port closed subtotal vitrectomy; 85 patients underwent additional peeling of the inner border membrane; in addition to these methods, 81 patients received panretinal laser coagulation of the retina, and cataract phacoemulsification was performed in 69 patients. The frequency of early of persistent relapses of diabetic maculopathy occurrence after surgical treatment and the impact of endothelin-1 blood level were investigated. In a cohort prospective study (n = 313) in patients with diabetic maculopathy with type 2 diabetes mellites, the pathogenetic significance of high blood level of endotelin-1 before surgical treatment for the occurrence of early persistent relapses of diabetic maculopathy after surgical treatment was shown. A regression model of the effect of endothelin-1 level on the development of such relapses was constructed (area under the ROC diagram AUC = 0.580 ± 0.037; p = 0.032). The critical level of endotelin-1 before surgical treatment, when it becomes possible to develop early persistent relapses of diabetic maculopathy, is 2.417 fmol/ml.
diabetic maculopathy, type 2 diabetes mellites, surgical treatment, relapse, endotelin-1.
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Publication of the article:
«Bulletin of problems biology and medicine» Issue 4 Part 2 (154), 2019 year, 177-181 pages, index UDK 617.735-002-02:616.633.66+616.155.2]-076.5