Wojciech Witkiewicz

Dr. Wojciech Witkiewicz

Pomeranian Medical University, Departament of Cardiology
orcid

Research Focus & Metrics

Academic Career Length

16Years (2011-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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16 January 2018 in Videosurgery and Other Miniinvasive Techniques
Verified
Journal Article
Open access
MZMarek Zawadzki
Marek Zawadzki
MKMalgorzata Krzystek-Korpacka
Malgorzata Krzystek-Korpacka
AGAndrzej Gamian
Andrzej Gamian
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
Introduction : Anastomotic leakage continues to be one of the most serious complications following low anterior resections. Early diagnosis of a leak is difficult but critical to minimize morbidity and mortality. Aim : To evaluate changes in serum concentrations of 27 different cytokines...

MJMagdalena Jachymek
Magdalena Jachymek
ACAleksandra Cader-Ptak
Aleksandra Cader-Ptak
MPMichal Ptak
Michal Ptak
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
ASAdam Szymański
Adam Szymański
ASAleksandra Szylińska
Aleksandra Szylińska
Background: Due to the unpredictable nature of COVID-19, there is a need to identify patients at high risk of severe course of the disease and a higher mortality rate. Objective: This study aims to find the correlation between frailty and mortality in adult, hospitalized patients with COVID-19. Methods: Clinical records of 201 patients who suffered from COVID-19 and were hospitalized between October 2020 and February 2021 were retrospectively analyzed. Demographic, clinical, and biochemical data were collected. Patients were assessed using Clinical Frailty Scale (CFS) and were divided into three groups: CFS 1–3 fit; CFS 4–6 vulnerable and with mild to moderate frailty; CSF 7–9, severe frailty. The association between frailty and in-hospital mortality was the primary outcome. Results: Severe frailty or terminal illness was observed in 26 patients (12.94%) from a cohort of 201 patients. Those patients were older (median age 80.73, p < 0.001) and had more comorbidities. Frailty was also associated with higher requirement for oxygen supplementation, greater risk of in-hospital complications and worse biochemical laboratory results. An increase in CFS score also correlated with higher mortality (OR = 1.89, p < 0.001). The Conclusions: Clinical Frailty Scale (CFS) can be used as a potentially useful tool in predicting mortality in patients with COVID-19.

Verified
Journal Article
Open access
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KKKatarzyna Laura Kotfis
Katarzyna Laura Kotfis
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
ASAleksandra Szylińska
Aleksandra Szylińska
KWKarina Witkiewicz
Karina Witkiewicz
MNMagdalena Nalewajska
Magdalena Nalewajska
EEEugene Wesley Ely
Eugene Wesley Ely
Delirium is a sign of deterioration of homeostasis and worse prognosis. The aim of this study was to investigate the frequency, risk factors and prognosis of delirium in patients with COVID-19 in a temporary acute setting hospital. A retrospective cohort analysis of data collected between October 2020 and February 2021 from two temporary acute care hospitals was performed. All consecutive hospitalized patients ≥18 years old with COVID-19 were included. An assessment of consciousness was carried out at least two times a day, including neurological examination. Delirium was identified through retrospective chart review according to DSM-5 criteria if present at least once during hospitalization. Analysis included 201 patients, 39 diagnosed with delirium (19.4%). Delirious patients were older (p < 0.001), frailer (p < 0.001) and the majority were male (p = 0.002). Respiratory parameters were worse in this group with higher oxygen flow (p = 0.013), lower PaO2 (p = 0.043) and higher FiO2 (p = 0.006). The mortality rate was significantly higher in patients with delirium (46.15% vs 3.70%, p < 0.001) with OR 17.212 (p < 0.001) corrected for age and gender. Delirious patients experienced significantly more complications: cardiovascular (OR 7.72, p < 0.001), pulmonary (OR 8.79, p < 0.001) or septic (OR 3.99, p = 0.029). The odds of mortality in patients with COVID-19 presenting with delirium at any point of hospitalization were seventeen times higher.

MNMagdalena Nalewajska
Magdalena Nalewajska
WFWiktoria Feret-Adrabińska
Wiktoria Feret-Adrabińska
ŁWŁukasz Wojczyński
Łukasz Wojczyński
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
MWMagda Wiśniewska
Magda Wiśniewska
KKKatarzyna Laura Kotfis
Katarzyna Laura Kotfis
The coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a global pandemic and a burden to global health at the turn of 2019 and 2020. No targeted treatment for COVID-19 infection has been identified so far, thus supportive treatment, invasive and non-invasive oxygen support, and corticosteroids remain a common therapy. High-flow nasal cannula (HFNC), a non-invasive oxygen support method, has become a prominent treatment option for respiratory failure during the SARS-CoV-2 pandemic. HFNC reduces the anatomic dead space and increases positive end-expiratory pressure (PEEP), allowing higher concentrations and higher flow of oxygen. Some studies suggest positive effects of HFNC on mortality and avoidance of intubation. Spontaneous pneumothorax has been observed in patients suffering from SARS-CoV-2 pneumonia. Although the viral infection itself contributes to its development, higher PEEP generated by both HFNC and mechanical ventilation is another risk factor for increased alveoli damage and air-leak. Herein, we present three cases of patients with no previous history of lung diseases who were diagnosed with COVID-19 viral pneumonia. All of them were supported with HFNC, and all of them presented spontaneous pneumothorax.

25 November 2011 in Postępy Higieny I Medycyny Doświadczalnej
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Journal Article
Open access
WKWiesława Kwiatkowska
Wiesława Kwiatkowska
BKBrygida Knysz
Brygida Knysz
JDJustyna Drelichowska-Durawa
Justyna Drelichowska-Durawa
MCMarcin Czarnecki
Marcin Czarnecki
JGJacek Gąsiorowski
Jacek Gąsiorowski
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
HIV infected patients, especially those treated with antiretroviral (ARV) drugs, show an increased risk and incidence of cardiovascular disease. The aim of this study was to evaluate the progression of subclinical atherosclerosis in the carotid arteries, expressed as the value of carotid intima-media thickness (cIMT) and the amount of atherosclerotic plaques, and to analyze the correlation between cIMT and risk factors for cardiovascular diseases in a cohort of HIV infected patients. The analysis included 72 HIV infected patients, mean age 39.4 years, and 27 healthy HIV negative individuals, matched for age and sex. The data collected included evaluation of the infection, ARV treatment, past cardiovascular events, assessment of traditional and nontraditional risk factors for cardiovascular diseases, cIMT measurements and amount of atherosclerotic plaques in the carotid arteries. HIV infected patients show more advanced subclinical atherosclerosis in the carotid arteries (cIMT and plaques incidence). The cardiovascular risk profile of the HIV infected patients is significantly different from HIV negative people. Among the HIV positive group lower body mass index (BMI) and higher waist/hip ratio (WHR) are observed. The concentration of all cholesterol fractions is lower, whereas the concentration of triglycerides is higher. Cigarette smoking is more common among HIV-infected individuals. A strong statistical correlation between cIMT and age, hypertension, non-high-density lipoprotein (non-HDL) cholesterol and ARV time were found. Total and LDL cholesterol, and lifetime smoking exposure also affect the cIMT. The relationship between cIMT and current HIV RNA may indicate the impact of the current infection status on the cIMT dynamics in this subpopulation.

15 November 2021 in Journal of Clinical Medicine
Verified
Journal Article
Open access
PDF file
WFWiktoria Feret-Adrabińska
Wiktoria Feret-Adrabińska
MNMagdalena Nalewajska
Magdalena Nalewajska
ŁWŁukasz Wojczyński
Łukasz Wojczyński
Wojciech WitkiewiczWojciech Witkiewicz
Wojciech Witkiewicz
PKPatrycja Kłos
Patrycja Kłos
APAndrzej Pawlik
Andrzej Pawlik
The outburst of inflammatory response and hypercoagulability are among the factors contributing to increased mortality in severe COVID-19 cases. Pentoxifylline (PTX), a xanthine-derived drug registered for the treatment of vascular claudication, has been reported to display broad-spectrum anti-inflammatory and immunomodulatory properties via adenosine A2A receptor (A2AR)-related mechanisms, in parallel to its rheological actions. Prior studies have indicated the efficacy of PTX in the treatment of various pulmonary diseases, including the management of acute respiratory distress syndrome of infectious causes. Therefore, PTX has been proposed to have potential benefits in the treatment of SARS-CoV-2 symptoms, as well as its complications. The aim of this review is to discuss available knowledge regarding the role of PTX as a complementary therapeutic in SARS-CoV-2.