P Dvorák

ORCID: 0000-0003-1966-0044
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About
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Research Areas
  • Renal and related cancers
  • Renal cell carcinoma treatment
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Cancer Research and Treatments
  • Cardiac Arrhythmias and Treatments
  • Aortic Disease and Treatment Approaches
  • Cardiac Imaging and Diagnostics
  • Aortic aneurysm repair treatments
  • Esophageal and GI Pathology
  • Urinary and Genital Oncology Studies
  • Cardiac pacing and defibrillation studies
  • Pancreatic and Hepatic Oncology Research
  • Tissue Engineering and Regenerative Medicine
  • Cerebrospinal fluid and hydrocephalus
  • Appendicitis Diagnosis and Management
  • Colorectal Cancer Surgical Treatments
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Abdominal vascular conditions and treatments
  • Gallbladder and Bile Duct Disorders
  • Muscle Physiology and Disorders
  • Intraperitoneal and Appendiceal Malignancies
  • Abdominal Surgery and Complications
  • CNS Lymphoma Diagnosis and Treatment
  • Melanoma and MAPK Pathways
  • Ultrasound and Hyperthermia Applications

University Hospital Hradec Králové
2006-2024

Charles University
2006-2024

Masaryk University
2009-2024

University Hospital Olomouc
1990-2003

To evaluate intracardiac findings near leads and causes of death in pacemaker/defibrillator patients.Special autopsy was performed on 78 patients deceased a hospital. Age at 77.9 +/- 10.0, implantation-death interval 4.0 3.3 years, ventricular n = 78, atrial 21. Thrombi along brachiocephalic vein/upper caval vein (BV/UCV) were found 22 (7), right atrium (RA) 11 (8), ventricle (RV) cases. Bipolar lead rings fixed by fibrous tissue 43 (4) Connective bridges tunnels BV/UCV 44 (13), RA 17 (15),...

10.1093/europace/eup216 article EN EP Europace 2009-08-14

The preferred treatment for acute cholecystitis is cholecystectomy, but patients with precluded general anesthesia due to critical illness or multiple medical comorbidities it not suitable. Cholecystostomy could be a minimally invasive therapeutic alternative.To retrospectively evaluate the indications, technical features, efficacy, complications, patients' development and relationships among monitored parameters of percutaneous computed tomography (CT)-guided cholecystostomies in cases find...

10.5114/wiitm.2019.84704 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2019-05-05

The standard radical treatment of renal cell carcinoma is surgical resection, but it not suitable for patients with serious medical comorbidities and solitary kidney tumors. Minimally invasive ablation techniques could be an appropriate therapeutic alternative.To retrospectively evaluate the technical success, mid-term long-term efficacy safety radiofrequency microwave in small tumors.Over course 10 years, 91 procedures 64 68 tumors, size 12-60 mm, were performed using only conscious...

10.5114/wiitm.2017.72322 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2017-12-29

Aim: To retrospectively evaluate the technical features, feasibility, efficacy, accuracy and appropriate complications of CT-guided biopsies mediastinal masses correlate them with anatomical relationships in mediastinum. Methods: Over course ten years, 81 percutaneous biopsy procedures 78 patients for tumors sizes 27 - 189 mm diameter (median length 57.5 mm) were performed using only local anesthesia. These interventions done under guidance computed tomography. The men 30 cases women 48...

10.5507/bp.2018.058 article EN cc-by Biomedical Papers 2018-10-01

Despite the undeniable ongoing development of cross-sectional imaging methods, not all focal liver lesions (FLLs) have a typical pattern. An image-guided biopsy using percutaneous approach might safely provide final histological diagnosis FLLs. We aimed to evaluate accuracy, efficiency, complication rate, technical features, and relationships between followed parameters computed tomography (CT)-guided biopsies FLLs retrospective approach.303 procedures in 295 patients were carried out with...

10.15403/jgld-4653 article EN Journal of Gastrointestinal and Liver Diseases 2023-06-22

Background and objectives: For the treatment of chronic unilateral radicular syndrome, there are various methods including three minimally invasive computed tomography (CT)-guided methods, namely, pulsed radiofrequency (PRF), transforaminal oxygen ozone therapy (TFOOT), epidural steroid injection (TFESI). Despite this, it is still unclear which these best in terms pain reduction disability improvement. Therefore, purpose this study was to evaluate short long-term effectiveness by measuring...

10.3390/medicina57020136 article EN cc-by Medicina 2021-02-04

To evaluate the accuracy, efficiency, complication rate, technical features, and relations among followed parameters of CT-guided percutaneous biopsies pelvic lesions. 140 in 136 patients for tumors, sizes 17-160 mm largest diameter, were carried out with probable tumorous process within ten years period. The women 77 cases men 59 cases, aged 21 to 87 years. lesions´ size varied from 17 160 diameter. In 135 (96.4%) results true positive or negative; only 5 procedures (3.6%) histologically...

10.1177/00368504211058555 article EN cc-by-nc Science Progress 2021-10-01

Aims: To retrospectively evaluate the technical features, efficacy, accuracy, appropriate complications, and relationships among monitored parameters of computed tomography-guided biopsies retroperitoneum-located processes. Methods: From December 2008 to 2018, 208 percutaneous biopsy procedures for tumors, sized 14 - 190 mm in diameter (median size 57.5 mm), were performed on patients with suspected retroperitoneal tumorous process imaging examinations. The men 124 cases women 84 cases, aged...

10.5507/bp.2019.028 article EN cc-by Biomedical Papers 2019-06-17

We present three cases of pneumopericardium following blunt chest trauma injury. All patients were victims road traffic accidents. had multiple associated injuries and was found as the additional finding. Pneumopericardium treated conservatively with thoracic drains placement observation. Transesophageal echocardiography used a method choice for exclusion cardiac air tamponade. survived.

10.14712/18059694.2017.125 article EN cc-by Acta Medica (Hradec Kralove Czech Republic) 2006-01-01

Východiska: Možnosti adjuvantní léčby maligního melanomu se v posledních letech významně rozšířily.Na základě výsledků klinických studií byla do léčebných postupů postupně zařazena jak imunoterapie zastoupená checkpoint inhibitory (ipilimumab, pembrolizumab, nivolumab), tak u pacientů s prokázanou mutací BRAF genu i cílená terapie (dabrafenib plus trametinib).V ČR je současné době pro klinickou praxi reálně dostupný nivolumab a kombinovaná dabrafenibu trametinibem.Nicméně otázkou zůstává,...

10.48095/ccko202173 article CS Klinicka onkologie 2021-02-15

Systemic targeted therapy options are commonly used in patients with metastatic renal cell carcinoma (mRCC). Histological verification is crucial for treatment of mRCC. Our aim was to evaluate an optimal location percutaneous computed tomography‑guided biopsy a diagnosis suspected A total 138 biopsies tumors ranging from 21 133 mm diameter (median, 72 mm) were carried out 134 mRCC over 5‑year period. The variable, kidney performed 77 cases (55.8%), and other localizations (retroperitoneum,...

10.20452/wiitm.2024.17894 article EN cc-by-nc-sa Videosurgery and Other Miniinvasive Techniques 2024-07-31

The aim of the study was to retrospectively evaluate technical features, efficacy, accuracy, and relevant complications computed tomography-guided biopsies in various anatomical localizations when diagnosing indolent lymphoma transformations, relapses, duplicate malignant diseases or benign processes.From December 2007 2017, 81 percutaneous biopsy procedures 72 patients for tumors, sizes 17-232 mm diameter (median length: 39 mm), were performed with known lymphomas their clinical history....

10.5114/aoms.2018.79573 article EN cc-by-nc-sa Archives of Medical Science 2019-01-01

The authors present an overview on CT-guided stereotaxy performed in the last 10 years University Hospital Olomouc. During this period a total of 811 stereotactic brain operations were performed. Of these, 710 done field afunctional and 101 functional stereotaxy. majority procedures biopsies intracranial lesions (n = 464), evacuations intracerebral hematomas with or without drainage fibrinolysis 147) thalamotomies patients Parkinson's disease 88). With exception two at beginning, number...

10.5507/bp.2003.033 article EN cc-by Biomedical Papers 2003-12-01
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