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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Russian neurological...arrow_drop_down
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Cerebral microangiopathy according to magnetic resonance imaging of the brain in patients undergoing longterm programmed hemodialysis

Authors: A. E. Khrulev; N. A. Shiyanova; V. N. Grigorieva; G. N. Vlasov; L. S. Kоzulina; A. T. Egorskaya;

Cerebral microangiopathy according to magnetic resonance imaging of the brain in patients undergoing longterm programmed hemodialysis

Abstract

Introduction.Cerebral microangiopathy (CMA), being the leading cause of vascular cognitive impairment and strokes, has a number of causes, among which chronic kidney disease (CKD) and programmed hemodialysis (HD) are the least studied.Purpose of the study:to determine the frequency of CMA neuroimaging markers and risk factors for its development in patients receiving renal replacement therapy for a long time using the programmed HD.Material and methods:the study involved 70 patients who had been on programmed HD for 10 months or more. Clinical neurological examination, laboratory tests and brain MRI were performed. The analysis of CMA neuroimaging markers was carried out in accordance with the STRIVE recommendations. Cerebral Small Vessel Disease Score (CSVDS) was used to quantify the overall severity of MR imaging markers of CMA.Results.Among 70 examined (29 men and 41 women) aged 53.0 ± 14.2 years, average HD experience – 70.0 ± 39.5 months, the main clinical manifestations of CMA were cognitive impairment (82.9%, n = 58), emotional disorders (61.4%, n = 43), sleep disorders (38.6%, n = 27), pseudobulbar syndrome (17.1%, n = 12), walking disorders (8.6%, n = 6), acute lacunar syndromes (7.1%, n = 5) and pelvic dysfunction (4.3%, n = 3). CMA neuroimaging markers of varying severity were found in 100% of cases. Expansion of perivascular spaces (100%, n = 70) and white matter hyperintensities (81.4%, n = 57) prevailed in the structure of CMA imaging markers. Cortical atrophy (67%, n = 47), cerebral microbleeds (47%, n = 33), asymptomatic lacunae (35.7%, n = 25) and minor subcortical infarctions (2.9%, n = 3) were less common. Mild CMA (1–2 points on the CSVDS scale) was determined in 38 patients (54.3%), severe CMA (3–4 points on the CSVDS scale) – in 32 patients (45.7%). The presence of uncontrolled arterial hypertension (OR 1.85, p < 0.05), intradialysis hypertension (OR 2.8, p < 0.05), dialysis vegetative polyneuropathies (OR 2.75, p < 0.05), type 2 diabetes mellitus (OR 5.7, p < 0.05) and the experience of programmed HD (more than 50 months) (OR 3.1, p < 0.05) were prognostic signifi cance for the development of severe CMA in dialysis patients.Conclusion.All patients with end-stage CKD who have been on programmed HD for a long time are shown to undergo the brain MRI in order to timely diagnose CMA imaging markers and possible correction of therapy.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
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