Abstract
Diabetes mellitus (DM)-associated hyperglycemia contributes to the initiation and progression of chronic microvascular (MIC) and macrovascular (MAC) complications. To carry out early identification of MIC, standardized and inexpensive tests are needed. Computerized nailfold video-capillaroscopy (CNVC) is a noninvasive tool to easily evaluate MIC at the level of the fingers and could be useful to detect the so-called ‘diabetic capillaropathy’. Aim: This was a prospective study using CNVC to examine the prevalence of capillaroscopic patterns in a cohort of type 1 (T1D) and type 2 (T2D) diabetic individuals, and to assess their relationship with the level of glycemic control (HbA1c) and DM-related complications. Results: Nailfold alterations were found to be more prevalent in diabetics, including tortuosity (p < 0.01), avascular zones (p < 0.01), ectasiae (p < 0.01) and capillary with bizarre shape (p < 0.01). At least two of these patterns were found with a higher prevalence in T1D and T2D individuals vs. controls (p < 0.01). Finally, a higher frequency of ‘capillary score’ equal to or higher than 2 points was found to be associated with worse glycemic control, and with the presence of diabetic retinopathy. Conclusions: These results confirm the presence of a ‘diabetic capillaropathy’, and nailfold capillary alterations appear to be related to the level of glycemic control and the existence of MIC, particularly when retinal damage is involved.
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Abbreviations
- ACR:
-
Albumin/creatinine ratio
- CKD:
-
Chronic kidney disease
- CNVC:
-
Computerized nailfold video-capillaroscopy
- CS:
-
Capillary score
- DM:
-
Diabetes mellitus
- eGFR:
-
Estimated glomerular filtration rate
- HbA1c:
-
Glycosylated hemoglobin
- MAC:
-
Macrovascular complications
- MIC:
-
Microvascular complications
- NPDR:
-
Not proliferative diabetic retinopathy
- PDR:
-
Proliferative diabetic retinopathy
- T1D:
-
Type 1 diabetes
- T2D:
-
Type 2 diabetes
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Lisco, G., Cicco, G., Cignarelli, A., Garruti, G., Laviola, L., Giorgino, F. (2018). Computerized Video-Capillaroscopy Alteration Related to Diabetes Mellitus and Its Complications. In: Thews, O., LaManna, J., Harrison, D. (eds) Oxygen Transport to Tissue XL. Advances in Experimental Medicine and Biology, vol 1072. Springer, Cham. https://doi.org/10.1007/978-3-319-91287-5_58
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DOI: https://doi.org/10.1007/978-3-319-91287-5_58
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