Publications by authors named "Czarnecki A"

: Sport climbing's popularity has grown with its inclusion in the Olympics and increased accessibility. Understanding the relationship between hand dominance, grip strength, endurance, and the involvement of masticatory and neck muscles can provide valuable insights into the neuromuscular adaptations specific to sport climbing, potentially aiding performance optimization and injury prevention in intermediate and advanced climbers. This study analyzes if the dominant hand has greater isometric endurance and isometric manual grip strength parameters than the non-dominant one and examines its relation to the masticatory and neck muscles in intermediate and advanced sport climbers.

View Article and Find Full Text PDF

Objective: The aim of the study was to determine the risk factors for binge-watching (BW) among Polish medical and non-medical students.

Material And Methods: A STROBE-compliant cross-sectional observational study, was carried out in Poland from July 2022 - March 2023. The web-based survey consisted of a personal questionnaire, a Binge-Watching Behaviour Questionnaire, a Scale of Motivation for Watching TV Series, a shortened version of the Ryff Well-Being Scale, and the De Jong Gierveld Loneliness Scale.

View Article and Find Full Text PDF
Article Synopsis
  • Acute mitral regurgitation (MR) following myocardial infarction (MI) can result from papillary muscle rupture (PMR), leading to high risks for patients; this study explores using transcatheter edge-to-edge mitral valve repair (TEER) as a treatment option.
  • Data from 30 centers across Europe, North America, and the Middle East revealed that TEER was performed on 23 high-risk patients within a week of their MI, achieving procedural success in 87% and a significant reduction in MR severity.
  • The outcomes indicated that 70% of patients could be discharged after treatment, showcasing TEER's potential as a viable emergency intervention or a bridge to further surgical options for critically ill patients with PM
View Article and Find Full Text PDF

The risk assessment for carotid atherosclerotic lesions involves not only determining the degree of stenosis but also plaque morphology and its composition. Recently, carotid contrast-enhanced ultrasound (CEUS) has gained importance for evaluating vulnerable plaques. This review explores CEUS's utility in detecting carotid plaque surface irregularities and ulcerations as well as intraplaque neovascularization and its alignment with histology.

View Article and Find Full Text PDF

Background: Wide geographic variation in access to transcatheter (TAVR) and surgical (SAVR) aortic valve replacement exists, but the impact of socioethnic factors on the geographic variation of AS management in Ontario, Canada, is unknown.

Methods: Neighbourhood rates of AS admissions, as a proxy for AS burden, and downstream TAVR and SAVR referrals and procedures were estimated for the 76 subregions in Ontario. To determine if the socioethnic geographic variations in referrals and procedures were concordant or discordant with AS burden, we calculated Pearson correlation coefficients to determine the relationship between AS burden and each of TAVR referrals, TAVR procedures, SAVR referrals, or SAVR procedures.

View Article and Find Full Text PDF
Article Synopsis
  • - The study explored the effectiveness of transcatheter edge-to-edge repair (TEER) for patients with significant mitral regurgitation (MR) who are also experiencing cardiogenic shock (CS), analyzing data from almost 3,800 patients over eight years.
  • - It found that a successful TEER procedure, defined by notable reductions in MR, was achieved in 85.6% of patients, leading to better health outcomes, including significantly lower rates of mortality and heart failure hospitalizations one year post-procedure.
  • - The authors concluded that while TEER can be effectively applied in CS patients, further randomized trials are necessary to fully validate its benefits as a treatment option.
View Article and Find Full Text PDF

The aim of the study was to determine the effect of osmoconcentration in a sucrose and sodium chloride solution on the efficiency of lactic fermentation and the content of polyphenols and oligosaccharides in yellow and red onion varieties: Alonso, Hysky, Hystore, and Red Lady. In most cases, no negative effect of onion dehydration was noted on the growth or number of the bacteria tested. Osmotic dehydration of onions prior to lactic fermentation may positively modify the profile of lactic acid isomers by increasing the proportion of the L (+) isomer.

View Article and Find Full Text PDF
Article Synopsis
  • Functional mitral regurgitation (MR) is critical in heart failure patients, and the CAPITAL MINOS trial investigates the impact of transcatheter edge-to-edge repair (TEER) on patients with cardiogenic shock (CS) and MR since this area hasn't been randomized before.!* -
  • The study involves 144 patients with advanced CS and significant MR, comparing TEER against standard medical therapy to see which provides better clinical outcomes, including survival and quality of care during hospitalization.!* -
  • Findings from the CAPITAL MINOS trial will help clarify the effectiveness of TEER in this high-risk group, potentially leading to improved treatment strategies for patients experiencing both CS and MR.!*
View Article and Find Full Text PDF

The paper presents a longitudinal cohort survey on the public acceptability of COVID-19 vaccination and real vaccination levels. A survey on a representative sample of adult Polish citizens ( = 1066) was conducted in June 2020 and, one year later, the same group was approached to compare the hypothetical declarations with the real vaccination decisions ( = 438). A significant part of the group that declared reluctance and hesitation toward COVID-19 vaccination before that vaccination was available actually got vaccinated or plans to get vaccinated.

View Article and Find Full Text PDF

Objectives: The objective of this study was to determine the effect of transcatheter mitral valve repair (TMVr) on hospitalization rates by assessing pre- and postprocedural hospitalization patterns.

Background: TMVr has emerged as the treatment of choice for selected patients with mitral regurgitation, but the impact of these procedures on hospital utilization remains unclear.

Methods: All patients who underwent TMVr in Ontario, Canada, between 2011 and 2017 were included in this observational study using population-based data.

View Article and Find Full Text PDF
Article Synopsis
  • * Research found that NEPs, particularly those in the floor plate of the spinal cord, can generate large action potentials through the activation of T-type calcium channels and are interconnected via gap junctions, forming a functional electrical syncytium.
  • * Acetylcholine released from motoneurons triggers these action potentials in floor-plate NEPs, leading to the propagation of calcium waves throughout the spinal cord, indicating a unique mechanism for electrical signaling independent of neurons.
View Article and Find Full Text PDF
Article Synopsis
  • Severe mitral regurgitation (MR) after acute myocardial infarction (MI) is linked to high mortality, prompting a study of outcomes for different treatment methods, including conservative, surgical, and percutaneous interventions.
  • A total of 471 patients were analyzed, showing that early intervention (either surgical or percutaneous) led to lower in-hospital and one-year mortality rates compared to conservative treatment, despite patients in intervention groups being in worse clinical condition.
  • While immediate success rates were similar for surgical mitral valve repair and percutaneous methods, the surgical approach had higher in-hospital and one-year mortality rates, suggesting percutaneous repair may be a safer alternative to surgery.
View Article and Find Full Text PDF

A substantial proportion of airway disease's global burden is attributable to exposure to air pollution. This study aimed to investigate the association between air pollution, assessed as concentrations of particulate matter PM2.5 and PM10 on the upper respiratory tract symptoms (URTS) in children.

View Article and Find Full Text PDF
Article Synopsis
  • * A study analyzed data from 21 centers and included 105 patients treated with MitraClip within 90 days post-MI, comparing outcomes between those with left ventricle ejection fraction (LVEF) below and above 35%.
  • * Results showed significant improvements in MR severity and heart function for both groups, with similar mortality rates in the hospital and after a year, indicating that even patients with severe heart dysfunction can safely undergo this procedure.
View Article and Find Full Text PDF
Article Synopsis
  • Renshaw cells (V1) in the spinal cord are active soon after they settle next to motoneurons and show functional differences throughout their development.
  • The study used various experimental methods along with modeling to investigate the changes in V1's electrical properties during early mouse embryonic stages (E11.5-E16.5).
  • Key findings indicate that the diversity in firing patterns of embryonic V1 is influenced by the balance of sodium and potassium conductances, leading to a phase where these cells temporarily lose their ability to sustain continuous firing.
View Article and Find Full Text PDF

High-grade serous ovarian cancer (HGSOC) is the most lethal gynecological malignancy that is primarily detected at the metastatic stage. Most HGSOC originates from the fallopian tube epithelium (FTE) and metastasizes to the ovary before invading the peritoneum; therefore, it is crucial to study disease initiation and progression using FTE-derived models. We previously demonstrated that loss of PTEN from the FTE leads to ovarian cancer.

View Article and Find Full Text PDF

Common in vitro models used to study the mechanisms regulating myelination rely on co-cultures of oligodendrocyte precursor cells (OPCs) and neurons. In such models, myelination occurs in an environment that does not fully reflect cell-cell interactions and environmental cues present in vivo. To avoid these limitations while specifically manipulating oligodendroglial cells, we developed a reliable ex vivo model of myelination by seeding OPCs on cerebellar slices, deprived of their endogenous oligodendrocytes.

View Article and Find Full Text PDF

Objectives: To assess outcomes in patients with acute mitral regurgitation (MR) following acute myocardial infarction (AMI) who received percutaneous mitral valve repair (PMVR) with the MitraClip device and to compare outcomes of patients who developed cardiogenic shock (CS) to those who did not (non-CS).

Background: Acute MR after AMI may lead to CS and is associated with high mortality.

Methods: This registry analyzed patients with MR after AMI who were treated with MitraClip at 18 centers within eight countries between January 2016 and February 2020.

View Article and Find Full Text PDF

Background: If globally implemented, a safe coronavirus disease 2019 (COVID-19) vaccination program will have broad clinical and socioeconomic benefits. However, individuals who anticipate that the coronavirus vaccine will bring life back to normality may be disappointed, due to the emerging antivaccination attitude within the general population.

Methods: We surveyed a sample of adult Polish citizens ( = 1066), and compared it with the data on international COVID-19 vaccine reluctance.

View Article and Find Full Text PDF

The Hofmeister series is a qualitative ordering of ions according to their ability to precipitate proteins in aqueous solution and is extremely important to consider when trying to understand materials and biomolecular structure and function. Herein, we utilized optical devices (etalons) composed of poly(N-isopropylacrylamide) (pNIPAm)-co-10% acrylic acid (AAc) or pNIPAm-based microgels to investigate how various salts in the Hofmeister series influenced the microgel hydration state. Etalons were exposed to a series of salts solutions at different concentrations and the position of the peaks in the reflectance spectra monitored using reflectance spectroscopy.

View Article and Find Full Text PDF
Article Synopsis
  • Implementation of gene editing technologies like CRISPR/Cas9 could revolutionize cell-based therapies with precise and lasting genome modifications without using viral vectors.
  • A new microfluidic device for electroporation was developed to enhance the delivery of gene-editing components to target cells, overcoming limitations of current commercial machines designed for research rather than mass production.
  • The device achieved up to 95% efficiency in gene delivery to human T cells, processing up to 500 million cells at a rapid rate, and has potential to scale production for large-scale cellular therapies.
View Article and Find Full Text PDF

Thirteen compounds were isolated from the methanolic extract of the leaves of Androcymbium palaestinum Baker (Colchicaceae). Of these, three were new, two were new natural products, and eight were known. The new isolated compounds were (+)-1-demethylandrocine (5), (-)-andropalaestine (8), and (+)-2-demethyl-β-lumicolchicone (10), while the new natural products were (+)-O-methylkreysigine-N-oxide (3) and (+)-O,O-dimethylautumnaline (9).

View Article and Find Full Text PDF

Background: Rehospitalization rates post-transcatheter aortic valve replacement (TAVR) are high; however, it is not known how these compare with pre-TAVR hospitalization rates. Our objective was to determine the association between the index TAVR and hospitalization rates pre- and postprocedure.

Methods: A retrospective observational study was performed including all TAVR procedures performed in Ontario, Canada, between 2013 and 2017.

View Article and Find Full Text PDF

Yellow onion waste from industrial peeling was used to obtain three pure preparations: protocatechuic acid (PA), quercetin diglycosides (QD) and quercetin monoglycosides (QM). PA contained 61% protocatechuic acid, QD contained 35% quercetin diglucosides, mainly quercetin-3,4'-diglucoside, and QM contained 41% monoglucosides, mainly quercetin-4'-glucoside. The highest antioxidant activity was shown by PA.

View Article and Find Full Text PDF