Publications by authors named "Amadeusz Zak"

Mechanical thrombectomy (MT) is the current standard treatment for strokes in the anterior cerebral circulation (AMT) and has recently been proven to be beneficial in the posterior circulation strokes (PMT). Our study aims to evaluate parameters for favorable outcomes in PMT-patients and to compare the clinical characteristics of individuals who received AMT and PMT. For this purpose, we confronted AMT and PMT-receipients and performed a multivariate regression analysis to assess the influence of factors on favorable outcomes in the study group and in the AMT and PMT subgroups.

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Background And Purpose: The abnormalities in EEG of stroke-patients increase the risk of epilepsy but their significancy for poststroke outcome is unclear. This presented study was aimed at determining the prevalence and nature of changes in EEG recordings from the stroke hemisphere and from the contralateral hemisphere. Another objective was to determine the significance of abnormalities in EEG in the first days of stroke for the post-stroke functional status on the acute and chronic phase of disease.

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Introduction: The relevance of diabetes mellitus (DM) to the efficacy of mechanical thrombectomy (MT) has been the subject of few studies and with only inconclusive results.

Objectives: This study aimed to evaluate the effect of DM and admission hyperglycaemia on the efficacy and safety of MT in stroke patients.

Material And Methods: This retrospective study analysis focused on the relevance of admission hyperglyacemia and DM to the functional status of patients treated with MT at the Upper Silesian Medical Centre of the Silesian Medical University in Katowice, Poland.

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Introduction: The association between atrial fibrillation (AF) and the outcome of mechanical throm‑bectomy (MT) in patients with stroke has not been determined so far.

Objectives: We aimed to evaluate the effect of AF on the efficacy and safety of MT in patients with stroke and to investigate the association between prior anticoagulation and symptomatic intracranial bleeding (ICB).

Patients And Methods: Patients who underwent MT for stroke were enrolled.

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Unlabelled: To date, inconsistent results evaluating the effect of parameters on mechanical thrombectomy (MT) outcomes in stroke-patients have been published. This study aimed to identify the key parameters for functional status after MT in stroke-patients in short and long-term follow-up.

Method: The study analysis focused on the relevance of selected clinical and non-clinical parameters to the functional status of the patients after MT.

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Background: The aim of the study was to assess the relevance of chronic rhinosinusitis (CRS) CT features to the efficacy of mechanical thrombectomy (MT) in patients with acute ischemic stroke.

Methods: This study included 311 patients qualified for MT in whom the CRS features were assessed based on a CT scan, according to the Lund-Mackay (L-M) score. Clinical, inflammatory parameters, patients neurological (NIHSS) and functional status (mRS), and recanalisation efficacy (TICI) were compared between patients with mild lesions (L-M score 0-3 points)-group 1, and patients with more severe lesions (L-M score 4-24)-group 2.

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Aim Of The Study: The aim of this study was to explore genetic findings and the phenotype in Polish patients with Unverricht-Lundborg disease (ULD).

Materials And Methods: We retrospectively evaluated mutations in the cystatin B (CSTB) gene and clinical presentation in a cohort of patients with ULD. The study population consisted of 19 (14 males) patients with genetically confirmed disease.

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Article Synopsis
  • Endovascular treatments for cerebral aneurysms offer a valuable alternative to traditional neurosurgical clipping, especially for patients with unruptured aneurysms or those unsuitable for surgery.
  • In a study involving 107 patients, various factors including age, sex, and symptom presentation were analyzed to evaluate outcomes and complications after treatment, with a focus on recanalisation rates after 12 months.
  • Key findings revealed that complications were minimal, with only a few adverse events noted, and the main risk factor for aneurysm recanalisation was found to be aneurysm size greater than 10 mm.
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Unlabelled: The purpose of this paper was to present our experience following the longterm treatment of 11 patients with Unverricht-Lundborg disease (ULD) confirmed by molecular testing.

Methods: We analyzed the clinical course, cognitive state, neuroimaging and neurophysiology results.

Results: The data were collected from 9 unrelated families (F/M: 4/7) aged 25-49.

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Article Synopsis
  • The study examined the impact of low ejection fraction (EF) and left ventricular dysfunction on the neurological and functional outcomes of stroke patients.
  • Analyzed data from 162 stroke patients revealed that those with left ventricular systolic dysfunction (LVSD) had worse neurological states, while lower EF correlated with poorer functional status 30 days post-stroke.
  • Key findings suggested that age and low EF are predictors of unfavorable outcomes, with a significant portion of patients exhibiting either LVSD or diastolic dysfunction shortly after experiencing a stroke.
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Unlabelled: Functional magnetic resonance imaging (fMRI) allows for the assessment of neuronal activity through the blood-level-dependent signal. The purpose of study was to evaluate the pattern of brain activity in fMRI in patients with ischemic stroke and to assess the potential relationship between the activity pattern and the neurological/functional status.

Methods: The fMRI was performed in patients up to 4th day of stroke.

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Introduction: While the asymmetry of body posture and the asymmetrical nature of hemiparetic gait in poststroke (PS) patients are well documented, the role of weight shift asymmetry in gait disorders after stroke remains unclear.

Objective: We examined the association of weight-bearing asymmetry (WBA) between paretic and nonparetic lower limbs during quiet standing with the degree of deviation of hemiplegic gait from normal gait evaluated by the Gillette Gait Index (GGI) incorporating 16 distinct clinically important kinematic and temporal parameters in chronic PS patients.

Participants And Methods: Twenty-two ambulatory patients with chronic stroke aged between 50 and 75 years were included in this study.

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