Kamil Polok

Kamil Polok
Jagiellonian University | UJ · Department of Intensive Care and Perioperative Medicine

Doctor of Medicine

About

34
Publications
5,368
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117
Citations
Introduction
COVID-19 associated coagulopathy Prevention of perioperative cardiovascular complications

Publications

Publications (34)
Article
Full-text available
Background Noninvasive ventilation (NIV) is a promising alternative to invasive mechanical ventilation (IMV) with a particular importance amidst the shortage of intensive care unit (ICU) beds during the COVID-19 pandemic. We aimed to evaluate the use of NIV in Europe and factors associated with outcomes of patients treated with NIV. Methods This i...
Article
Full-text available
Background and Objectives: Poor sleep quality in patients with obstructive sleep apnea (OSA) may be associated with different clinical and polysomnographic features. The aim of this study was to identify features associated with poor sleep quality in OSA patients. Materials and Methods: This was a cross-sectional study enrolling patients with OSA c...
Article
Full-text available
Hospitalized patients with coronavirus disease 2019 (COVID-19), particularly those admitted to the intensive care unit (ICU) are at high risk of morbidity and mortality. Several observational studies have described hemostatic derangements and thrombotic complications in patients with COVID-19. The aim of this review article is to summarize the curr...
Article
Background Limited evidence suggests variation in mortality of older critically ill adults across Europe. We aimed to investigate regional differences in mortality among very old ICU patients. Methods Multilevel analysis of two international prospective cohort studies. We included patients ≥80 yr old from 322 ICUs located in 16 European countries....
Article
Background: The current European guidelines recommend that preoperative electrocardiogram (ECG) should be performed routinely in patients scheduled for high-risk surgery. However, the evidence regarding ECG as a predictor of perioperative cardiac complications is weak. Aim: To evaluate association of preoperative ECG with short- and long-term ou...
Article
Aim: To assess the association between discharge policy and hospital stay length, and to evaluate the factors related to duration of viral clearance among patients with coronavirus disease 2019 (COVID-19). Methods: This cross-sectional study enrolled consecutive patients aged ≥18 years with SARS-CoV-2 infection confirmed by reverse transcription...
Article
Full-text available
Background Tracheostomy is performed in patients expected to require prolonged mechanical ventilation, but to date optimal timing of tracheostomy has not been established. The evidence concerning tracheostomy in COVID-19 patients is particularly scarce. We aimed to describe the relationship between early tracheostomy (≤10 days since intubation) and...
Article
Full-text available
Background: The Clinical Frailty Scale (CFS) is frequently used to measure frailty in critically ill adults. There is wide variation in the approach to analysing the relationship between the CFS score and mortality after admission to the ICU. This study aimed to evaluate the influence of modelling approach on the association between the CFS score...
Article
Objective The aim of our study was to assess the prevalence of renal masses suspected of malignancy and adrenal incidentalomas in patients with abdominal aortic aneurysm based on the computed tomography angiography (CTA). Methods In the retrospective cross-sectional study, the CTA scans of patients with abdominal aortic aneurysms and thoraco-abdom...
Article
Full-text available
Purpose: The aim of this study was to evaluate the structural changes of the airways using the endobronchial ultrasound (EBUS) in ACO patients compared to severe asthma and COPD patients. Patients and methods: The study included 17 patients with ACO, 17 patients with COPD and 33 patients with severe asthma. Detailed clinical data were obtained f...
Article
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Introduction: A significant proportion of patients with COVID-19 present with a rapidly progressing severe acute respiratory failure (ARF). Objectives: We aimed to assess the therapeutic success of high-flow nasal oxygen (HFNO) in severe ARF in the course of COVID-19 in a noncritical care setting as well as to identify predictors of HFNO failure...
Article
Introduction: The coronavirus disease 2019 (COVID-19) is one of the greatest clinical challenges of the last decades. Clinical factors associated with severity of the disease remain unclear. The aim of the study was to characterize Polish patients hospitalized due to COVID-19 and to evaluate potential prognostic factors of severe course of the dis...
Article
Full-text available
To evaluate association between bariatric surgery and changes in obstructive sleep apnea (OSA) severity and sleep architecture was as well as to asses continuous positive airway pressure (CPAP) effectiveness and compliance. We enrolled patients undergoing bariatric surgery. Polysomnography was performed in each patient preoperatively and 12 months...
Article
Background: Postoperative atrial fibrillation (POAF) is associated with clinically significant short- and long-term complications after noncardiac surgery. Our aim was to describe the incidence of clinically important POAF after noncardiac surgery and establish the prognostic value of N-terminal pro-brain-type natriuretic peptide (NT-proBNP) in th...
Article
Objectives To compare preoperative coagulation and fibrinolysis activity and incidence of perioperative complications between patients undergoing vascular procedures for peripheral artery disease and abdominal aortic aneurysm. Methods This is a substudy of a prospective observational cohort study (VISION; NCT00512109) in which we recruited patient...
Preprint
Full-text available
Background Coronavirus disease 2019 (COVID-19), caused by the novel coronavirus SARS-CoV-2, has led to significant global mortality and morbidity. Until now, no treatment has proven to be effective in COVID-19. To explore whether the use of remdesivir, initially an experimental broad-spectrum antiviral, is effective in the treatment of hospitalized...
Article
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Introduction: Hip fracture is an important cause of morbidity and mortality among elderly patients worldwide. It poses a particular challenge for healthcare systems with limited financial and human resources. Objectives: To assess factors associated with the length of hospital stay and in-hospital mortality, focusing on the admission to surgery...
Article
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Background The effect of renal replacement therapy on drug concentrations in patients with sepsis has not been fully elucidated because the pharmacokinetic properties of many antimicrobials are influenced by both pathophysiological and treatment-related factors. The aim of this study was to determine meropenem concentrations in patients with sepsis...
Article
Background: Sepsis is a life-threatening organ dysfunction caused by a dysregulated host reaction to infection. There is an upward trend in sepsis prevalence and mortality worldwide. Sepsis causes hypoxia, which reduces the ability of cells to produce ATP. This process is also influenced by thyroid hormones. Some of the previous studies revealed a...
Article
Full-text available
Purpose We performed a retrospective cohort study in patients who underwent endovascular aneurysm repair (EVAR) to determine the incidence and predictors of myocardial injury and acute kidney injury (AKI). Methods We included 267 consecutive patients who underwent EVAR at two tertiary centres in Canada and Poland. The primary outcome was myocardia...
Article
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Objective: The main goal of our study was to assess the impact of vascular procedures on the activity of hemostatic and fibrinolytic pathways. Methods: We enrolled 38 patients with ≥ 45 years old undergoing surgery for abdominal aortic aneurysm or peripheral artery disease under general or regional anesthesia and who were hospitalized at least o...
Article
Background: Patients with autoimmune diseases constitute a relatively low percentage of the intensive care unit (ICU) population but their prognosis is particularly poor, partially due to involvement of multiple organs as well as complications related to immunosuppressive treatment. Diffuse alveolar haemorrhage (DAH) is one of the most life-threat...
Article
Background The aim of our study is to assess the prevalence of concomitant arterial abnormalities (true aneurysms of iliac, common femoral, renal, visceral arteries and stenoses of iliac and renal arteries) in patients with abdominal aortic aneurysm, and to evaluate whether the type of the aneurysm (suprarenal versus solely infrarenal) is associate...
Article
Full-text available
Background: The increasing population of very old intensive care patients (VIPs) is a major challenge currently faced by clinicians and policymakers. Reliable indicators of VIPs' prognosis and purposefulness of their admission to the intensive care unit (ICU) are urgently needed. Methods: This is a report from the Polish sample of the VIP1 multi...
Article
Purpose: Systemic autoimmune diseases are a heterogeneous group of disorders associated with dysfunction of multiple organs and unpredictable course. Complicated management and treatment become even more challenging when patients require critical care. This study aims to compare outcomes of small-vessel vasculitides (SVV) and other systemic autoim...
Article
Full-text available
Objective/background: Venous thromboembolism (VTE) has been considered the dominant major life threatening vascular complication after non-cardiac surgery, but recent studies have shifted the emphasis toward myocardial injury after non-cardiac surgery (MINS) as a common adverse event in the peri-operative setting. The aim of the present study was...
Article
To the Editor The article by Juo et al¹ addresses the important issue of temporal trends in perioperative myocardial infarction after high-risk vascular surgery. We congratulate the authors on their contribution; however, we have some reservations concerning the methods of this study.

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