Wos İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/11727/4807

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search.filters.applied.f.rights: search.filters.rights.info:eu-repo/semantics/openAccessSubject: search.filters.subject.Stroke

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    Cerebrovascular events in hemodialysis patients; a retrospective observational study
    (2019) Ozelsancak, Ruya; Micozkadioglu, Hasan; Torun, Dilek; Tekkarismaz, Nihan; 0000-0002-0788-8319; 31830923
    Background This study reports findings in subjects who underwent brain imaging for any reason, and examined factors influencing cerebrovascular events (CVEs) in hemodialysis (HD) patients. Methods We reviewed the files of patients on HD between January 2015 and January 2018. A total of 432 patients who underwent HD for at least 5 months by the January 2015 and who were older than 18 years were included in the study; 264 had been examined by cerebral computed tomography or magnetic resonance imaging examination within the 3 years. Cerebrovascular pathology was detected in 139 of 264 patients. Results Of the 139 patients, 65 (24.62%) had ischemic lesions, 25 (9.47%) had hemorrhagic lesions, and 49 (18.56%) had cerebral small vessel disease (CSVD). We compared recorded data and later clinical findings between patients with and those without CVEs. The cause of end-stage renal disease was diabetes in 58.5% of patients with ischemic lesions, 52% in those with hemorrhagic lesions, and 55% in those with CSVD (P < 0.05). Patients with cerebrovascular ischemia were older (P = 0.0001) and had lower serum creatinine (sCr) (P = 0.0001) and higher serum C-reactive protein (CRP) (P = 0.002) levels than normal subjects. Hemorrhagic patients were older (P = 0.003) and had lower sCr (P = 0.003) and serum predialysis potassium (P = 0.003) and parathyroid hormone (PTH) (P = 0.004) levels than normal subjects. Patients with CSVD were older (P < 0.0001) and had lower sCr (P < 0.0001), phosphorus (P < 0.007), and PTH (P < 0.013) and higher CRP (P < 0.002) levels than normal subjects. Conclusions HD patients with CVEs are older and typically have diabetes mellitus and lower sCr levels.
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    Effects of chronic flexed wrist posture on the elasticity and cross-sectional area of the median nerve at the carpal tunnel among chronic stroke patients
    (2018) Aslan, Hulya; Analan, Pinar Doruk; 0000-0002-3528-3712; 29400371; AAA-8043-2021
    Aim: To investigate the effects of chronic flexed wrist posture following spasticity on the elasticity and cross-sectional area (CSA) of the median nerve at the carpal tunnel among chronic stroke patients. Material and method: This prospective study included 24 consecutive patients (mean age, 56.5 +/- 11.56 years) with unilateral wrist spasticity following a stroke in a chronic phase. The CSA of the median nerve was measured by ultrasound (US). The elasticity was measured by Virtual Touch tissue imaging quantification (VTIQ; Siemens, Erlangen, Germany). SWV and CSA of the median nerves of the affected and unaffected sides for each patient were compared. The correlations between duration of time since the stroke, SWV and CSA of the median nerve were assessed. The interobserver agreement was assessed. Results: The CSA of the median nerve at the affected side was significantly lower than that of the unaffected side (p = 0.03). The SWV of the median nerve at the affected side was significantly higher than that on the unaffected side (p < 0.001). The interobserver agreement was excellent for both CSA and SWV measurements. There was a negatively fair correlation between CSA at the affected side and duration of time since stroke (r = -0.58, p < 0.05). The SWV of the median nerve at the affected side was not correlated with the duration of time since stroke (r <= 0.3, p >= 0.05). Conclusions: These results suggest that chronic flexed wrist posture may cause atrophy of the median nerve due to chronic compression after stroke and increase in the stiffness of the median nerve.