Retinal Capillary Rarefaction in Patients with Type 2 Diabetes Mellitus

Citation: Jumar A, Harazny JM, Ott C, Friedrich S, Kistner I, Striepe K, et al. (2016) Retinal Capillary Rarefaction in Patients with Type 2 Diabetes Mellitus. PLoS ONE 11(12): e0162608. doi:10.1371/journal.pone.0162608
Published: December 9, 2016

Abstract
Purpose: In diabetes mellitus type 2, capillary rarefaction plays a pivotal role in the pathogenesis of end-organ damage. We investigated retinal capillary density in patients with early disease.
Methods: This cross-sectional study compares retinal capillary rarefaction determined by intercapillary distance (ICD) and capillary area (CapA), measured non-invasively and in vivo by scanning laser Doppler flowmetry, in 73 patients with type 2 diabetes, 55 healthy controls and 134 individuals with hypertension stage 1 or 2.
Results: In diabetic patients, ICD was greater (23.2±5.5 vs 20.2±4.2, p = 0.013) and CapA smaller (1592±595 vs 1821±652, p = 0.019) than in healthy controls after adjustment for differences in cardiovascular risk factors between the groups. Compared to hypertensive patients, diabetic individuals showed no difference in ICD (23.1±5.8, p = 0.781) and CapA (1556±649, p = 0.768).
Conclusion: In the early stage of diabetes type 2, patients showed capillary rarefaction compared to healthy individuals.

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This entry was posted in Diabetes, Diabetes Featured 2, Ophthalmology and tagged , , .

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