Paweł Kleka

Dr. Paweł Kleka

orcid

Research Focus & Metrics

Academic Career Length

57Years (1970-Present)

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

Representative Publications

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12 August 2019 in PLOS ONE
Verified
Journal Article
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HHHonorata Hafke-Dys
Honorata Hafke-Dys
ABAnna Bręborowicz
Anna Bręborowicz
PKPaweł Kleka
Paweł Kleka
JKJędrzej Kociński
Jędrzej Kociński
ABAdam Biniakowski
Adam Biniakowski
Auscultation is one of the first examinations that a patient is subjected to in a GP’s office, especially in relation to diseases of the respiratory system. However it is a highly subjective process and depends on the physician’s ability to interpret the sounds as determined by his/her psychoacoustical characteristics. Here, we present a cross-sectional assessment of the skills of physicians of different specializations and medical students in the classification of respiratory sounds in children. 185 participants representing different medical specializations took part in the experiment. The experiment comprised 24 respiratory system auscultation sounds. The participants were tasked with listening to, and matching the sounds with provided descriptions of specific sound classes. The results revealed difficulties in both the recognition and description of respiratory sounds. The pulmonologist group was found to perform significantly better than other groups in terms of number of correct answers. We also found that performance significantly improved when similar sound classes were grouped together into wider, more general classes. These results confirm that ambiguous identification and interpretation of sounds in auscultation is a generic issue which should not be neglected as it can potentially lead to inaccurate diagnosis and mistreatment. Our results lend further support to the already widespread acknowledgment of the need to standardize the nomenclature of auscultation sounds (according to European Respiratory Society, International Lung Sounds Association and American Thoracic Society). In particular, our findings point towards important educational challenges in both theory (nomenclature) and practice (training).

EZEwa Zasadzka
Ewa Zasadzka
APAnna Pieczyńska
Anna Pieczyńska
TTTomasz Trzmiel
Tomasz Trzmiel
PKPaweł Kleka
Paweł Kleka
MPMariola Pawlaczyk
Mariola Pawlaczyk
Background: Depression remains an important health problem among older adults and it may be correlated with the deterioration of physical fitness, whose chief indicator is hand grip strength (HGS). The aim of the study was to investigate the relationship between depression and HGS among older populations using the available literature. Methods: PubMed, Web of Science and Science Direct databases were searched. The inclusion criteria were as follows: written in English and published after 2009, subject age: ≥60 years, HGS measured using a hand dynamometer, assessment of the depressive symptoms using a validated tool. The following articles were excluded: studies conducted among institutionalized subjects and/or populations with a specific disease. Results: The total combined effect of 33 results presented in 16 studies included in the meta-analysis, converted to the correlation coefficient, was OEr = −0.148 (SE = 0.030, 95%CI: −0.206–−0.091), indicating a weak, negative correlation between HGS and depressive symptoms. Conclusions: The review of the literature and the meta-analysis demonstrated a relationship between low muscle strength and intensified depressive symptoms in older populations. Bearing in mind that depression is often unrecognized or underdiagnosed among older patients, lowered muscle strength should be an important sign for physicians and an incentive to screen them for depression.

1 July 2021 in Cortex
Verified
Journal Article
Open access
GKGregory Kroliczak
Gregory Kroliczak
MBMikołaj Buchwald
Mikołaj Buchwald
PKPaweł Kleka
Paweł Kleka
Michal KlichowskiMichal Klichowski
Michal Klichowski
WPWeronika Potok
Weronika Potok
Brian J PiperBrian J Piper
Brian J Piper
While Liepmann was one of the first researchers to consider a relationship between skilled manual actions (praxis) and language for tasks performed "freely from memory", his primary focus was on the relations between the organization of praxis and left-hemisphere dominance. Subsequent attempts to apply his apraxia model to all cases he studied - including his first patient, a "non-pure right-hander" treated as an exception - left the praxis-handedness issue unresolved. Modern neuropsychological and recent neuroimaging evidence either showed closer associations of praxis and language, than between handedness and any of these two functions, or focused on their dissociations. Yet, present-day developments in neuroimaging and statistics allow us to overcome the limitations of the earlier work on praxis-language-handedness links, and to better quantify their interrelationships. Using functional magnetic resonance imaging (fMRI), we studied tool use pantomimes and subvocal word generation in 125 participants, including righthanders (NRH = 52), ambidextrous individuals (mixedhanders; NMH = 31), and lefthanders (NLH = 42). Laterality indices were calculated both in two critical cytoarchitectonic maps, and 180 multi-modal parcellations of the human cerebral cortex, using voxel count and signal intensity, and the most relevant regions of interest and their networks were further analyzed. We found that atypical organization of praxis was present in all handedness groups (RH = 25.0%, MH = 22.6%; LH = 45.2%), and was about two and a half times as common as atypical organization of language (RH = 3.8%; MH = 6.5%; LH = 26.2%), contingent on ROI selection/LI-calculation method. Despite strong associations of praxis and language, regardless of handedness and typicality, dissociations of atypically represented praxis from typical left-lateralized language were common (~20% of cases), whereas the inverse dissociations of atypically represented language from typical left-lateralized praxis were very rare (in ~2.5% of all cases). The consequences of the existence of such different phenotypes for theoretical accounts of manual praxis, and its links to language and handedness are modeled and discussed.

1 January 2018 in Applied Acoustics
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Journal Article
Closed access
MSMalina Szychowska
Malina Szychowska
HHHonorata Hafke-Dys
Honorata Hafke-Dys
APAnna Preis
Anna Preis
JKJędrzej Kociński
Jędrzej Kociński
PKPaweł Kleka
Paweł Kleka

1 January 2011 in Polish Psychological Bulletin
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Journal Article
Closed access
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TCTeresa Chirkowska-Smolak
Teresa Chirkowska-Smolak
PKPaweł Kleka
Paweł Kleka
The Maslach Burnout Inventory-General Survey: validation across different occupational groups in Poland: This paper concerns the psychometric evaluation of the Polish version of a self-report questionnaire to measure burnout. Although the Maslach Burnout Inventory (MBI) is the most commonly employed measure of burnout, researchers have been troubled by some of its psychometric limitations. The aim of this study is to examine the MBI-GS factor structure in three occupational groups (both within the human services sector and elsewhere), and to evaluate its reliability (internal consistency). In evaluating factorial validity, we carried out an explanatory analysis and a number of confirmatory analyses (using the total database and the three occupational groups). An additional aim was to explore the relationships between biographic characteristics (gender, age, work experience, employment level, and occupation) and burnout. The results of the confirmatory analyses show us that all three models fit the data almost acceptably, both in the total sample (N=998) and in the separate occupational groups, and that the fit of the three-factor solution appears to be somewhat better than that of the one- and two-factor solutions. When the initial model failed to fit the data well, we had to eliminate two items with weak reliability. The results then confirmed the factorial validity of the MBI-GS—as expected, the MBI-GS consists of three scales that are moderately correlate.

1 January 2011 in Archives of Medical Science
Verified
Journal Article
Open access
GBGrażyna Bączyk
Grażyna Bączyk
TOTomasz Opala
Tomasz Opala
PKPaweł Kleka
Paweł Kleka
Introduction : Evaluation of the quality of life of patients with osteoporosis concerns the physical, emotional, social and pain quality of life domains. The aim of the research was to describe the psychometric properties of the Polish version of QUALEFFO-41 in 253 Polish postmenopausal women...