Magdalena Roszak

Poznan University of Medical Sciences · Department of Computer Science and Statistics; Medical E-Education Lab; Medical E-Education Lab

Background High-energy devices allow better vessel sealing compared with monopolar electrocautery and could improve the outcomes of surgical operations. The objective of the study was to compare tissue dissection by the LigaSure™ device with that by monopolar electrocoagulation for thoracoscopic lobectomy and lymphadenectomy. Methods This pragmati...

The COVID-19 pandemic disrupted cancer screening programs and care for individuals with malignancies. We aimed to analyze the effects of the COVID-19 pandemic on the interest of Google users in cancers and their screenings. We collected data from Google Trends (GT) from 1 January 2015 to 31 December 2021 worldwide for nine topics representing cance...

Anorexia nervosa (AN) is an eating disorder characterized by restrictive eating and significant weight loss. In the course of AN, changes are observed in appetite regulation, including orexigenic ghrelin and potentially anorexigenic obestatin. The study aimed to determine if any changes in serum ghrelin and obestatin levels during treatment of AN a...

Background: Pneumonectomy is a high-risk radical resection procedure, with bronchopleural fistula (BPF) being its most challenging and severe complication. This study aimed to assess the surgical risk factors and the impact of the bronchial stump closure technique on the incidence of the BPF. Methods: This is a single-center, cross-sectional stu...

Background: Patients who suffer from anorexia nervosa (AN) are characterized by exceedingly lower body weight, micro- and macro-nutrient deficiencies, and hyposalivation as compared to healthy subjects. In addition, AN may predispose to difficulties in oral health maintenance. However, little is known about the relationship between stress-dependen...

BACKGROUND Studies demonstrated lower incidence of complications after Video-Assisted Thoracoscopic Surgery (VATS) lobectomy compared to thoracotomy, but the data on in-hospital and 90-day mortality is inconclusive. This study aimed to analyze whether surgical approach, VATS or thoracotomy, was related to early mortality of lobectomy in lung cancer...

[This corrects the article DOI: 10.3389/fpsyt.2022.874263.].

Introduction Restrictive type of anorexia nervosa (AN) is still one of the most severe eating disorders worldwide with an uncertain prognosis. Patients affected by AN should be encouraged to undertake psychiatric care and psychotherapy, but whether they should necessarily be included in careful dental care or not may still be questionable. Even tho...

Background: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a commonly performed minimally invasive technique for diagnosing mediastinal pathologies. Currently, many needle types are being developed to improve the accuracy of the final diagnosis. Our study aimed to assess the possible advantages and disadvantages bet...

The COVID-19 pandemic significantly impacted the healthcare system, including dentistry. However, it is not entirely clear whether affected patients’ willingness for regular dental visits and preventive behaviors with regards oral hygiene and diet. This is essential to understanding the potential effects of the COVID-19 pandemic on the acceleration...

The national curricula of the EU member states are structured around learning outcomes, selected according to Bloom’s Taxonomy. The authors of this paper claim that using Bloom’s Taxonomy to phrase learning outcomes in medical education in terms of students’ achievements is difficult and unclear. This paper presents an efficient method of assessing...

This paper presents the place of e-learning methods in the teaching of Advanced Life Support (ALS) to second year medical students. The described course lasts 30 hours and consists of lectures, seminars, and classes. Numerous modifications of the course were introduced in the past and at the moment electronic learning methods are being improved wit...

The COVID-19 pandemic had a huge impact on the learning and teaching processes, particularly in healthcare education and training, because of the principal position of the cutting-edge student–patient interaction. Replacing the traditional form of organization and implementation of knowledge evaluation with its web-based equivalent on an e-learning...

Managing the oral health of children during the time of a health emergency linked to the current COVID-19 pandemic presents specific problems. A high number of non-specific effective infection control protocols are available in dental settings. It is of fundamental importance to implement specific protocols relating to those clinical situations tha...

Aim. Increased arterial stiffness is a risk factor for cardiovascular disease (CVD). Adult men with untreated hypertension are at risk of future CVD. The study aimed to compare the effects of a submaximal exercise on the recovery of the two descriptors of arterial pressure waveform, i.e. stiffness index (SI) and reflection index (RI), between men w...

Introduction: The video-assisted thoracic surgery (VATS) approach is widely used for pulmonary lobectomy, but its application for pneumonectomy is much less common and outcomes are ambiguous. Aim: To evaluate the feasibility and outcomes of VATS pneumonectomy. Material and methods: This retrospective study included 19 patients with the mean ag...

As a result of the epidemiological situation in Poland that occurred as a consequence of the SARS-CoV-2 pandemic, all classroom study was suspended in March 2020 and schools were required to deliver online education. There number of teachers who create educational resources for medical e-education, also those including interactive elements, is stil...

The epidemiological situation resulting from the SARS-CoV-2 pandemic caused the Polish universities to fully switch to distance education in March 2020. Medical e-learning has not yet been broadly implemented into the education process. Therefore, examples of successful e-learning implementations or the organization of the process of medical e-lear...

OBJECTIVES Conversion of thoracoscopic lobectomy for lung cancer to thoracotomy can adversely affect short-term outcomes, but the impact on long-term outcomes is unknown. This study aimed to identify the risk factors for conversion and to determine the influence of conversion on the outcomes of lung cancer treatment. METHODS This retrospective stu...

In recent years, attention has been paid to the co-occurrence of attention deficit hyperactivity disorder (ADHD) and obesity, but results in relation to dental caries outcomes differ. The study was conducted to determine obesity/overweight and dental caries in children suffering from ADHD and to draw comparisons with non-ADHD children. A total of 1...

Various forms of e-learning are now entering both the education system at all levels and lifelong learning. Incorporating online resources and activities into a university course curriculum involves restructuring the whole teaching programme to achieve a synergistic effect. It also requires the teachers to acquire appropriate knowledge and develop...

Aim: The aim of the study was to evaluate the impact of smoking cessation and its timing in the preoperative period on postoperative morbidity in patients undergoing surgery for non-small cell lung cancer (NSCLC). Material and methods: Two hundred and eighty-six patients surgically treated for NSCLC were prospectively analyzed in terms of durati...

Introduction: Despite the constant decrease of performed pneumonectomies (PN) in recent years, it is still necessary for 15-20% of patients with non-small cell lung cancer (NSCLC) to undergo total lung resection due to the local progression of the disease. Aim: To assess the frequency and type of postoperative complications, quality of life, and...

Context: Amaranth and canola oils have been used traditionally. Amaranth has been identified as being of interest because of its outstanding nutritive value. Amaranth oil is a rich source of highly unsaturated fats and so could be a valuable dietary alternative for individuals affected with obesity. Reactive oxygen species (ROS) are postulated to b...

We assessed the relationship between the stages of the frailty syndrome and the development of limitations in the activities of daily living, hospitalization, and death among women aged ≥80 as compared to men over the course of 12 months. The Fried criteria and selected tests of comprehensive geriatric assessment were performed in 213 participants...

Objectives. Opiorphin is a salivary peptide with analgesic and antidepressant properties. Its relationship to the hypothalamic-pituitary-adrenal, autonomic nervous and immune systems may provide understanding of chronic stress, especially in anorexia nervosa (AN). This study investigated a possible correlation between opiorphin and stress/immune bi...

The existence of seasonal changes in secretion of stress hormones and inflammatory mediators by humans is not certain. Here, we aimed to determine whether concentrations of cortisol and IL-6 displayed seasonal rhythmicity. The study was performed in Poznań, Poland (52°N, 16°E) in 7 healthy female volunteers (age 22.6 ± 0.8 yr). Samples of whole mix...

Public universities in Poland receive fairly limited financial support for creating e-textbooks (interactive online textbooks) and lack the appropriate ICT competences among teaching staff, especially in the case of non-technical universities. The authors propose a pedagogical and technological paradigm for e-textbooks in medical education using op...

Introduction: Saliva has been increasingly used as a diagnostic medium for disease detection and monitoring. The aim of this observational, prospective, pilot study was to investigate whether salivary concentrations of CRP and IL-6 correlate with those in serum and with the clinical course of a rheumatic disease. Materials and methods: Nineteen...

Objectives. Opiorphin is a physiological inhibitor of peptidases inactivating endogenous opioids displaying strong analgesic properties without undesirable side effects, antidepressant properties and hormonal dependency. It might therefore play an important role in patients with painful diseases related to neuro-hormonal dysregulation of the nervou...

There is scientific evidence confirming the effectiveness of e-learning within resuscitation, however, there is not enough research on modern examination techniques within the scope. The aim of the pilot research is to compare the exam results in the field of Advanced Life Support in a traditional (paper) and interactive (computer) form as well as...

Deployment of distance education (especially e-learning) at universities requires university teachers and students to have adequate ICT (Information and Communication Technologies) competencies. Schools usually provide training for their staff in operating e-learning portals and creating courses, which is the necessary minimum for conducting distan...

This paper presents several applications of the dimensional analysis method to problems investigated in medical sciences. The method is used to analyze various complex processes without using formal laws governing the same. It is particularly suitable for a general analysis of fluid transfer (liquids and gases) in the human body. This paper mainly...

The process of continuing education of paramedics is based on gaining educational credits during five-year educational periods. One of the forms of self-improvement are Internet-based educational programs. The lack of regulations concerning the organizational and technical aspects of e-learning made the authors attempt to analyze the phenomenon. Th...

The aim of the study was to conduct a comparative analysis of three forms of knowledge transfer online, taking into account the long-term knowledge growth rate and the satisfaction of students surveyed in respect to distance learning. The cohort of participants for this survey were students of the first degree, studying in the Emergency Medical Ser...

Breast and cervical cancer represent a significant health and economic issue for Polish society, although if detected early, both can be cured successfully. For this reason, since 2006, according to the National Cancer Combat Programme, population-based screening programmes have been implemented, aimed at reducing the mortality and morbidity for br...

Increasing evidence accumulate to suggest that obesity increases the risk of chronic kidney disease independently of dyslipidemia, diabetes, and hypertension. This so-called obesity-related glomerulopathy is characterized at early stages by glomerular hypertrophy with or without secondary focal segmental glomerulosclerosis. Since, however, kidney b...

Aim. Overhydration is a prevalent problem in peritoneal dialysis (PD) patients. The aim of the study was to evaluate the effect of several factors on the development of overhydration in PD patients. Material and Methods. The study was performed on 74 PD patients, who were divided into two groups according to bioimpedance analysis hydration status...

Background: Cardiovascular (CV) incidents are the major cause of mortality in maintenance dialysis (MD) patients undergoing peritoneal dialysis (PD) or hemodialysis (HD). CV injury indicators may be useful to investigate the dialysis modality influence on survival. Objectives: The aim of this study was to compare selected laboratory and echocard...

As defined by the National Institutes of Health: “Biomedical engineering integrates physical, chemical, mathematical, and computational sciences and engineering principles to study biology, medicine, behavior, and health”. Many issues in this area are closely related to fluid dynamics. This paper provides an overview of the basic concepts concernin...

Distance education undoubtedly has many advantages, such as individualization of the learning process, unified transmission of teaching materials, the opportunity to study at any place and any time, reduction of financial costs for commuting to classes or accommodation of participants, etc. Adequate working conditions on the e-learning portal must...

Background Lowe syndrome (LS) and Dent-2 disease (DD2) are disorders associated with mutations in the OCRL gene and characterized by progressive chronic kidney disease (CKD). Here, we aimed to investigate the long-term renal outcome and identify potential determinants of CKD and its progression in children with these tubulopathies. Methods Retrosp...

Introduction: Systemic inflammation, as defined by elevated blood IL-6, is a strong independent predictor of peritoneal dialysis (PD) patient survival. The present study has aimed to determine whether there exists a particular "phenotype" associated with high systemic IL-6 that characterizes PD patients in terms of their fluid status and cardiac p...

Distance education is entering the area of university education with increasing strength, particularly including lifelong learning. Distance education requires a well-structured organisation and resource management tools, namely an e-learning portal. Universities which are still at the beginning of the portal implementation process may encounter nu...

Distance education is entering the area of university education with increasing strength, particularly including lifelong learning. Distance education requires a well-structured organisation and resource management tools, namely an e-learning portal. Universities which are still at the beginning of the portal implementation process may encounter nu...

The aim of this study was to assess the epidemiology of different patterns of chronic glomerular diseases based on clinical, histopathological and immunofluorescent findings of glomerulonephritis patients hospitalized in the Department of Nephrology, Transplantology and Internal Diseases in Poznan between January 2009 and December 2012. We retrosp...

The necessary prerequisites for efficiently pursuing distance learning include carefully planned organization of work and resource management tools, typically found in an internet application – a distance learning portal. The portal application must meet a number of capacity and functionality requirements. Learning goals are pursued through impleme...

Enhancement of teaching using digital materials is rapidly entering the world of medical studies. Creation of a self-learning environment supported with self-tests is received well, or even enthusiastically, among students. On the other hand, there is a relatively large group of opponents among university teachers, who do not see the need for chang...

Background. Vitamin D, known for its role in calcium-phosphorus homeostasis, is also a significant immuno-modulatory factor. Vitamin D deficiency has been reported in some autoimmune disorders. Recently, vitamin D level in autoimmune thyroiditis (HT – Hashimoto's thyroiditis) has become the subject of researchers' interest. Objectives. This study a...

Falling in the elderly results in a significant number of admissions to hospitals and long-term care facilities, especially among patients with lower extremity osteoarthritis (OA). The aim of the study was to assess the risk of falling in adults older than 60 years with OA using timed up and go (TUG) test. A total of 187 patients (aged >60 years) w...

This study aimed to assess cardiac troponin T (cTnT) and hydration state as cardiovascular (CV) risk markers in hemodialysis (HD) patients. Two hundred and forty one patients were divided according to HD vintage into two groups: SV (HD ≤24 months) and LV. Water balance was assessed with overhydration (OH%; bioimpedance analysis) and daily diuresis...

This article presents an overview of generally available applications for creating multimedia and interactive educational materials, such as presentations, instructional videos, self-tests and interactive repetitions. With the use of the presented tools, pilot materials were developed to support the teaching of biostatistics at a medical university...

This article shows the organization of distance learning, particularly the idea of b-learning, combining the accomplishment of classes carried on in the traditional way and via computers. The authors present learning activities related to complementary education herein. Some of these course types may be successfully adapted to an e-learning backgro...

Technology advancement has a major impact on the prevailing education methods and ways to present knowledge. More and more frequently, blended learning or even e-learning methods are implemented along with traditional education. On the other hand, rapid changes in medical sciences involve the need to continuously extend and update the teaching cont...

A learning group is a concept which is commonly known and used in education. This article presents the issue of managing learning groups on e-learning portals. The authors point to similarities and differences in realization of the group concept in traditional and distance education. They present the technical options offered by LCMS portals for cr...

Unlabelled: Breast cancer (BC) is one of the most common neoplasms and the second biggest cause of death among women. The aim of the study was to investigate how separate risk factors influence the development of breast neoplasms. Materials and methods: The study included 200 women aged between 17 and 86 years diagnosed with breast neoplasm, who...

Unlabelled: Endothelium dysfunction is well established factor contributing to the development of atheroslerotic plaque. It is characterized by, among other, impaired vasodilatation and increased expression of adhesion molecules. The aim of the study was to estimate changes of serum selectin levels and blood vessels stiffness under the influence o...

Introduction: Vitamin D, primarily known for its role in calcium–phosphorus homeostasis, is also a significant immunomodulatory factor. Vitamin D deficiency has been reported in some autoimmune disorders. Recently, vitamin D level in autoimmune thyroiditis (Hashimoto’s thyroiditis (HT)) has become the subject of researchers’ interest. Objectives: T...

The prevalence of late-onset hipogonadism (LOH) in men is not accurately determined and may be overestimated. Androgen deficiency is causally linked to insulin resistance, regardless of age. Clinical signs of androgen deficiency are not uniquely specific for LOH. The aim of this study was to assess the correlations between androgen serum levels and...