Publications by authors named "Mikolaj Wojtaszek"

Introduction: The main aim of our study was to compare diffusion tensor imaging (DTI) parameters in patients with myotonic dystrophy types 1 and 2 (DM1 and DM2).

Clinical Rationale For The Study: To ascertain whether DTI could be used to assess the integrity of white matter tracts in the brain and identify any abnormalities or disruptions in connectivity between different brain regions in patients with DM. By providing a more detailed understanding of the structural changes in the brain associated with DM, could DTI potentially be used to develop more effective treatments for the cognitive and neurological symptoms of the disorder?

Material And Methods: We retrospectively compared MRI scans of 19 patients with DM1 to those of 23 healthy, matched controls, and of 16 patients with DM2 to those of 20 healthy, matched controls, and finally compared the DM1 and DM2 samples.

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Article Synopsis
  • * The study assessed the effectiveness of color Doppler ultrasound (DUS) against digital subtraction angiography (DSA) and magnetic resonance angiography (MRA) in monitoring patients post-selective coil embolization for SAAs, with 80% showing successful occlusion at the 3-month follow-up.
  • * DUS demonstrated a high sensitivity in detecting aneurysm closure but low specificity; despite its limitations, it may be a cost-effective and less invasive option for follow-up in certain low-risk patients.
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Introduction: Despite the rapid development of neuroimaging techniques, the diagnosis of amyotrophic lateral sclerosis (ALS) remains a significant challenge. Magnetic resonance imaging (MRI) is important for ruling out ALS mimickers, while Diffusion Tensor Imaging (DTI) is a useful tool for the identification of cortical tract damage. The aim of this study was to identify the optimal set of DTI parameters to support the diagnosis of ALS that could be applied to everyday MRI and be used as a disease biomarker in daily practice.

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Purpose: The aim was to evaluate the relationship between coil packing densities after splenic artery aneurysm (SAA) treatment using detachable microcoils and rates of SAA reperfusion and to suggest a post-treatment surveillance protocol using contrast-enhanced MRA.

Materials And Methods: Evaluated were 16 patients (4 men; mean age 46.7), who underwent true SAA embolization using detachable microcoils (Concerto, Medtronic).

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Introduction: Type 2 endoleaks (T2E) occur in 10 to 20% of patients after endovascular abdominal aortic aneurysm repair (EVAR) and remain a significant clinical issue.

Aim: To evaluate the efficacy and clinical outcomes of transarterial treatment of persistent type II endoleaks after EVAR using the liquid embolic Onyx.

Material And Methods: From February 2012 to August 2015 transarterial T2E embolization was attempted in 22 patients (21 men, median age: 73, range: 62-88 years).

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Purpose: To evaluate the efficacy and clinical outcomes of ancillary endovascular procedures in promoting false-lumen (FL) thrombosis (FLT) and preventing aortic expansion in patients after thoracic endografting for type B dissections.

Materials And Methods: This retrospective review included 15 patients (12 men and 3 women; mean age, 59.6 y).

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Background: Transarterial chemoembolization (TACE) induces ischemic tumor necrosis, which is intensified by regional chemotherapy. By reducing the active tumor tissue, it can be assumed that patients on the waiting list for liver transplantation may benefit from this locoregional treatment. The aim of this study was to assess the relevance of TACE in hepatocellular carcinoma (HCC) patients before liver transplantation.

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Endovascular aneurysm repair (EVAR) has been accepted as an alternative to traditional open surgery in selected patients. Now it is a widely accepted standard. In case of contraindications for open repair, after accomplishing including criteria for EVAR, the patient can be treated by this method.

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Background: Subcutaneous emphysema (SE) is rarely life-threatening, although it may create significant discomfort to patients. It may impede eye opening, movement of the limbs and sometimes causes stridor and respiratory distress. We describe two cases of SE, in which small incisions in the skin helped to relieve symptoms.

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Background: To assess the quality of images obtained from time-resolved MRA together with the accuracy of this technique in diagnosing vascular diseases and the usefulness of haemodynamic information provided by this method.

Material/methods: The study group included 120 patients with different vascular pathologies excluding of intracranial vessels. All patients underwent time-resolved MRA on 1.

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Despite successful endograft placement in the thoracic aorta, dissections remain problematic in the abdominal aorta. Herein, the authors describe two successful cases of endovascular treatment of ruptured abdominal aortic dissections. One patient, despite previously undergoing successful thoracic endograft placement, presented with a ruptured false channel and was treated by excluding major re-entries with a covered renal stent and stent-graft limb.

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Background: A retrospective analysis of the effects of early postoperative rehabilitation in patients undergoing orthotropic liver transplantation in correlation to the primary liver disease leading to transplantation.

Materials And Methods: In between 2000 and 2003 in the Department of General, Transplant and Liver Surgery of the Medical University of Warsaw Central Teaching Hospital, 213 orthotropic liver transplants (OLT) were performed. Full rehabilitation records were available for 136 patients.

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Background: Hypoparathyroidism is a well-known consequence of extensive thyroid and parathyroid surgery. Allotransplantation of cultured parathyroid cells can be considered as an alternative to vitamin D3 and calcium supplementation in treatment of hypoparathyroidism. We present the long-term allotransplant activity in 85 patients who had undergone cellular allotransplantation for surgical hypoparathyroidism.

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Simultaneous pancreas and kidney transplantation (spktx) is currently the most effective method of treatment of type 1 diabetes complicated by renal insufficiency. The first successful spktx in Poland was performed in the Department of General, Vascular and Transplant Surgery of the Warsaw Medical University on the 4th of February 1988. Since then 70 spktx were performed in our Department.

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Objective: A cohort study was conducted to compare treatment of patients with type 1 diabetes mellitus and end-stage diabetic nephropathy.

Patients And Methods: 47 type 1 diabetic patients required renal replacement therapy in years: 2001-2005 were enrolled. Simultaneous pancreas and preemptive kidney transplant (sppktx) was performed in 18 (group I).

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A matched case-control study was performed to compare the prognosis of six renal transplant recipients with a control group of non-transplant patients, both groups presenting with native kidney tumors. Patients were matched for age, gender, neoplasm histology, and TNM classification. The follow-up ranged from 8 to 131 months (median 32 months) after nephrectomy or nephroureterectomy of the native kidney.

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