Jacek J. Klawe

ORCID: 0000-0001-8314-8630
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About
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Research Areas
  • Heart Rate Variability and Autonomic Control
  • Thermoregulation and physiological responses
  • Infrared Thermography in Medicine
  • Neuroscience of respiration and sleep
  • Salmonella and Campylobacter epidemiology
  • Cardiovascular Syncope and Autonomic Disorders
  • Exercise and Physiological Responses
  • Sleep and Work-Related Fatigue
  • Viral gastroenteritis research and epidemiology
  • Cardiovascular and exercise physiology
  • Fibromyalgia and Chronic Fatigue Syndrome Research
  • Obstructive Sleep Apnea Research
  • Cardiovascular and Diving-Related Complications
  • Nutrition and Health Studies
  • Environmental Toxicology and Ecotoxicology
  • Heavy metals in environment
  • High Altitude and Hypoxia
  • Parkinson's Disease Mechanisms and Treatments
  • Myasthenia Gravis and Thymoma
  • Human Health and Disease
  • Cardiovascular Health and Disease Prevention
  • Health, psychology, and well-being
  • Blood Pressure and Hypertension Studies
  • Respiratory Support and Mechanisms
  • Migraine and Headache Studies

Nicolaus Copernicus University
2015-2024

Collegium Medicum in Bydgoszcz
2015-2024

University of Bydgoszcz
1999-2003

Medical University of Warsaw
1989-1997

Philipps University of Marburg
1993

Campylobacteriosis is a dominant bacterial cause of foodborne infection and considered the main public health problem in Europe many other countries worldwide. In study lasting from 2011 to 2013 we compared prevalence antimicrobial resistance Campylobacter jejuni coli isolated children, domestic animals, poultry meat surface water Northern Poland. During 3-years 1973 samples were analysed. The results proved presence spp. 306 (15.5%) samples. percentage Campylobacter-positive differed among...

10.1186/s12866-017-0991-9 article EN cc-by BMC Microbiology 2017-04-04

Introduction: Autonomic dysfunction is common in chronic fatigue syndrome (CFS). This study set out to derive an autonomic biomarker using a comprehensive assessment of heart rate and blood pressure variability. Methods: Heart non-invasive continuous measurements (task force monitor) at rest on standing were performed CFS (Fukuda n = 68) matched controls (n high frequency (HF; parasympathetic) low (LF; sympathetic) variability (HRV), systolic (SBPV) diastolic (DBPV) Variables significance...

10.1093/qjmed/hcs085 article EN QJM 2012-06-04

The purpose of this study was to determine whether raw milk, unpasteurized dairy products, pork, and beef available for sale in the Kujawsko-Pomorskie Wielkopolska regions Poland are contaminated with Campylobacter spp. bacteria may be a potential source infection. For isolated strains, antibiotic susceptibility presence genes responsible virulence were examined. Material research included 1058 food samples collected between 2014 2018 454 milk products (milk from vending machines, owners...

10.3390/foods8090420 article EN cc-by Foods 2019-09-17

Objectives The aim of this study was to estimate the prevalence chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME) and describe illness characteristics in a community population Poland. Design: cross-sectional study. Setting Participants Of cohort 1400 who self-presented with only 69 subsequently were confirmed as having CFS/ME using Fukuda criteria. Main outcome measures completed following screening symptom assessment tools: Chalder Fatigue Scale, Hospital Anxiety Depression Scale...

10.1136/bmjopen-2018-023955 article EN cc-by-nc BMJ Open 2019-03-01

In this study we set out to define the characteristics of autonomic subgroups patients with Chronic Fatigue Syndrome (CFS). The included 131 CFS (Fukuda criteria). Participants completed following screening symptom assessment tools: Chalder Scale, Impact Severity Epworth Sleepiness Scales, self-reported Composite Autonomic Symptom Scale. parameters were measured at rest a Task Force Monitor (CNS Systems) and arterial stiffness using an Arteriograph (TensioMed Kft.). Principal axis factor...

10.3390/jcm9082531 article EN Journal of Clinical Medicine 2020-08-05

The aim of this study was to investigate the role cats and dogs as a potential reservoir Campylobacter spp. Rectal swabs from 83 71 were examined. Samples obtained animals aged between 2 weeks 24 months living in shelters, private households, farms veterinary clinics located Bydgoszcz region during routine check-up. isolated 4.81% 9.86% cats, respectively. C. jejuni predominant study. All strains autumn winter houses. positive for prevalence had access small water basins, accidental source...

10.2478/pjvs-2013-0016 article EN Polish Journal of Veterinary Sciences 2013-03-01

Introduction This study aimed to identify the characteristics of Campylobacter isolated from wild birds (Black-headed gulls Chroicocephalus ridibundus and Great tits Parus major) collect surface water samples (from rivers, ponds, ornamental lakes, freshwater beaches). Research material included 33 isolates. All strains were by different monitoring surveillance plans. Methods The prevalence selected genes (flaA, cadF, iam, cdtB, wlaN, sodB, tet0) encoding virulence factors resistance among...

10.3389/fcimb.2022.1005085 article EN cc-by Frontiers in Cellular and Infection Microbiology 2022-11-25

Autonomic dysfunction has been reported in patients with NAFLD (non-alcoholic fatty liver disease) and is associated clinical presentations. To date, there are no therapies to improve autonomic regulation people NAFLD. The present study defines the impact of a short-term exercise programme on cardiac haemodynamic A total 17 clinically defined [age, 55±12 years; BMI (body mass index), 33±5 kg/m2; fat, 17±9%] were randomized 8 weeks resistance or control group continue standard care. Resting...

10.1042/cs20120684 article EN Clinical Science 2013-03-07

Introduction: Firefighters as a profession are required to maintain high levels of attention for prolonged periods. However, total sleep deprivation (TSD) could influence negatively upon performance, particularly when the task is and repetitive. Purpose: The aim this study examine TSD on cognitive functioning in group firefighters. Subjects methods: Sixty volunteers who were active male fire brigade officers examined with computerized battery test that consisted simple reaction time (SRT)...

10.2147/ndt.s156501 article EN cc-by-nc Neuropsychiatric Disease and Treatment 2018-05-01

The presence of the flaA, cadF, cdtB and iam genes Campylobacter spp. was determined with PCR method.The materials to investigate were 56 C. jejuni 23 coli strains isolated from clinical samples (children domestic animals).It found that all spp.isolates children diarrhoea animals had cadF gene, responsible for adherence.The flaA gene present in derived cats.Occurrence confirmed 100% obtained dogs.The high prevalence associated toxin production observed this study (100%-Campylobacter dogs...

10.2478/v10181-011-0031-x article EN Polish Journal of Veterinary Sciences 2011-01-01

The aim of this study was to investigate the role white stork Ciconia ciconia as a potential reservoir Campylobacter spp. Antimicrobial resistance and presence putative virulence genes isolates were also examined. A total 398 chicks sampled in Western Poland habitats with high density breeding Rectal swabs collected during season 2009-2012 from storks developing relatively pure environment (Odra meadows), polluted areas (a copper mining-smelting complex), suburbs. Of anal collected, 7.6%...

10.1089/fpd.2014.1793 article EN Foodborne Pathogens and Disease 2014-12-02

In this study we set out to understand is sleep fragmentation affects the cardiovascular regulation and circadian variability of core body temperature more or less than deprivation. 50 healthy men (age 29.0±3.1 years; BMI 24.3±2.1 kg/m2) participated in a 3-day that included one adaptative night experimental involving randomization to: deprivation (SD) (SF). The evaluation hemodynamic parameters, measures spectral analysis heart rate blood pressure variability, sensitivity arterial...

10.33549/physiolres.933758 article EN cc-by-nc Physiological Research 2018-10-25

Dry-sauna is a strong thermal stimulus and commonly used all over the world. The aim of this experiment was to comprehensively analyse cardiovascular autonomic changes that result from an increase in core body temperature during sauna bath. study included 9 healthy men with mean age 26.7 ± 3.0 years comparable anthropomorphical characteristics. Each subject exposed one 15-minute session dry-sauna treatment at 100°C 30–40% humidity. baseline (i.e., hemodynamic contractility) parameters were...

10.1155/2014/106049 article EN cc-by Physiology Journal 2014-10-08
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