Abstract:
BACKGROUND:The development of disturbances in skin microcirculation in type 1 diabetes is not well characterised. We assessed skin microcirculation longitudinally from the onset of diabetes up to 29 years of duration to investigate when such disturbances start. MATERIAL AND METHODS:Seventeen adult patients with type 1 diabetes participated. Skin microvascular function in digit IV of the left hand was investigated by laser Doppler fluxmetry (LDF, arbitrary units [AU]). LDF was carried out at rest and following one-min arterial occlusion. Time to peak LDF (s) and percentage increase of LDF (post-occlusive reactive hyperaemia, PRH%) were determined. Retinopathy was assessed from fundus photographs or ophthalmoscopic recordings. RESULTS:Skin microvascular function remained normal during the first five years. Compared with baseline and a non-diabetic reference group, time to peak LDF was prolonged after 7-9 years of diabetes ( p < 0.01). PRH% was lower than in the reference group after 7-9 years ( p < 0.01), and lower than baseline after 24-29 years of diabetes ( p < 0.05). All but one patient developed retinopathy and the first signs were found after 10 years of diabetes. CONCLUSIONS:Functional disturbances in total skin microcirculation were observed after seven years in patients with type 1 diabetes and preceded diabetic complications such as retinopathy.
journal_name
Diab Vasc Dis Resjournal_title
Diabetes & vascular disease researchauthors
Santesson P,Lins PE,Kalani M,Adamson U,Lelic I,von Wendt G,Fagrell B,Jörneskog Gdoi
10.1177/1479164117694463subject
Has Abstractpub_date
2017-05-01 00:00:00pages
191-199issue
3eissn
1479-1641issn
1752-8984journal_volume
14pub_type
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