Jaroslaw Walkowiak

Summary

Affiliation: Polish Academy of Sciences
Country: Poland

Publications

  1. ncbi request reprint Small intestine bacterial overgrowth is frequent in cystic fibrosis: combined hydrogen and methane measurements are required for its detection
    Aleksandra Lisowska
    Department of Pediatric Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Acta Biochim Pol 56:631-4. 2009
  2. ncbi request reprint Small intestine bacterial overgrowth does not correspond to intestinal inflammation in cystic fibrosis
    Aleksandra Lisowska
    Department of Gastroenterology and Metabolism, Poznanń University of Medical Sciences, Poznan, Poland
    Scand J Clin Lab Invest 70:322-6. 2010
  3. pmc Fecal pancreatic elastase-1 levels in older individuals without known gastrointestinal diseases or diabetes mellitus
    Karl Heinz Herzig
    Department of Biotechnology and Molecular Medicine, AI Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
    BMC Geriatr 11:4. 2011
  4. ncbi request reprint Fecal elastase-1 is superior to fecal chymotrypsin in the assessment of pancreatic involvement in cystic fibrosis
    Jaroslaw Walkowiak
    Institute of Pediatrics, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
    Pediatrics 110:e7. 2002
  5. ncbi request reprint Fecal pyruvate kinase (M2-PK): a new predictor for inflammation and severity of pouchitis
    Jaroslaw Walkowiak
    Chair of Pediatrics, Department of Gastroenterology and Metabolism, Poznan, Poland
    Scand J Gastroenterol 40:1493-4. 2005
  6. ncbi request reprint Exocrine pancreatic function in children with progressive familial intrahepatic cholestasis type 2
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    J Pediatr Gastroenterol Nutr 42:416-8. 2006
  7. ncbi request reprint Normal pancreatic secretion in children with progressive familial intrahepatic cholestasis type 1
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Scand J Gastroenterol 41:1480-3. 2006
  8. ncbi request reprint The elimination of meat from the diet selectively decreases pancreatic elastase secretion
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Br J Nutr 98:154-8. 2007
  9. ncbi request reprint The changing face of the exocrine pancreas in cystic fibrosis: pancreatic sufficiency, pancreatitis and genotype
    Jarosław Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Eur J Gastroenterol Hepatol 20:157-60. 2008
  10. doi request reprint Acid steatocrit determination is not helpful in cystic fibrosis patients without or with mild steatorrhea
    Jarosław Walkowiak
    Department of Gastroenterology and Metabolism, 1st Chair of Pediatrics, Poznan University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    Pediatr Pulmonol 45:249-54. 2010

Collaborators

Detail Information

Publications38

  1. ncbi request reprint Small intestine bacterial overgrowth is frequent in cystic fibrosis: combined hydrogen and methane measurements are required for its detection
    Aleksandra Lisowska
    Department of Pediatric Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Acta Biochim Pol 56:631-4. 2009
    ..We aimed to assess the usefulness of combined measurement of hydrogen and methane expiration for the diagnosis of SIBO in CF...
  2. ncbi request reprint Small intestine bacterial overgrowth does not correspond to intestinal inflammation in cystic fibrosis
    Aleksandra Lisowska
    Department of Gastroenterology and Metabolism, Poznanń University of Medical Sciences, Poznan, Poland
    Scand J Clin Lab Invest 70:322-6. 2010
    ..However, the potential link to intestinal inflammation has not been studied so far. Therefore, we aimed to assess whether SIBO correlates with intestinal inflammation in CF patients...
  3. pmc Fecal pancreatic elastase-1 levels in older individuals without known gastrointestinal diseases or diabetes mellitus
    Karl Heinz Herzig
    Department of Biotechnology and Molecular Medicine, AI Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
    BMC Geriatr 11:4. 2011
    ..The aim of this study was to investigate the fecal elastase-1 levels among over 60 years old Finnish and Polish healthy individuals without any special diet, known gastrointestinal disease, surgery or diabetes mellitus...
  4. ncbi request reprint Fecal elastase-1 is superior to fecal chymotrypsin in the assessment of pancreatic involvement in cystic fibrosis
    Jaroslaw Walkowiak
    Institute of Pediatrics, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
    Pediatrics 110:e7. 2002
    ..Therefore, the aim of the present study was to compare the sensitivity and the specificity of the fecal elastase-1 (E1) test with the fecal chymotrypsin (ChT) test in a large cohort of CF patients and healthy subjects (HS)...
  5. ncbi request reprint Fecal pyruvate kinase (M2-PK): a new predictor for inflammation and severity of pouchitis
    Jaroslaw Walkowiak
    Chair of Pediatrics, Department of Gastroenterology and Metabolism, Poznan, Poland
    Scand J Gastroenterol 40:1493-4. 2005
  6. ncbi request reprint Exocrine pancreatic function in children with progressive familial intrahepatic cholestasis type 2
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    J Pediatr Gastroenterol Nutr 42:416-8. 2006
    ..In conclusion, pancreatic exocrine function in patients with PFIC-2 is normal. Steatorrhea observed in those patients is not related to pancreatic insufficiency...
  7. ncbi request reprint Normal pancreatic secretion in children with progressive familial intrahepatic cholestasis type 1
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Scand J Gastroenterol 41:1480-3. 2006
    ..Therefore, the objective of this study was to assess exocrine pancreatic function in patients with PFIC1...
  8. ncbi request reprint The elimination of meat from the diet selectively decreases pancreatic elastase secretion
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Br J Nutr 98:154-8. 2007
    ..It was concluded that the exclusion of meat from the diet for a 1-month period results in significant changes in pancreatic secretion with a selective decrease of elastase-1 output. However, the underlying factor remains unclear...
  9. ncbi request reprint The changing face of the exocrine pancreas in cystic fibrosis: pancreatic sufficiency, pancreatitis and genotype
    Jarosław Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Eur J Gastroenterol Hepatol 20:157-60. 2008
    ..Potential appearance of this complication in individuals with pancreatic insufficiency demands elucidation...
  10. doi request reprint Acid steatocrit determination is not helpful in cystic fibrosis patients without or with mild steatorrhea
    Jarosław Walkowiak
    Department of Gastroenterology and Metabolism, 1st Chair of Pediatrics, Poznan University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    Pediatr Pulmonol 45:249-54. 2010
    ..Therefore, in the present study we have aimed to assess CF patients without or with mild steatorhea (<10 g/day) and evaluate the applicability of AS in such a subset of patients...
  11. ncbi request reprint Normal levels of serum pancreatic enzymes in patients with progressive familial intrahepatic cholestasis type 2
    Jaroslaw Walkowiak
    Poznan University of Medical Sciences, Department of Pediatric Gastroenterology and Metabolism, Poland
    Acta Biochim Pol 57:573-5. 2010
    ..However, this state is related predominantly to biliary atresia. Therefore, we aimed to assess pancreatic damage by measuring serum pancreatic enzymes in patients with progressive familial intrahepatic cholestasis type 2 (PFIC type 2)...
  12. ncbi request reprint Early decline of pancreatic function in cystic fibrosis patients with class 1 or 2 CFTR mutations
    Jaroslaw Walkowiak
    Institute of Pediatrics, Department of Gastroenterology and Metabolism, Karol Marcinkowski University of Medical Sciences, 60 572 Poznan, Poland
    J Pediatr Gastroenterol Nutr 40:199-201. 2005
    ..We assessed the decline of pancreatic function in CF infants carrying class 1 or 2 CFTR mutations who were diagnosed in a neonatal screening program...
  13. ncbi request reprint Indirect pancreatic function tests in children
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    J Pediatr Gastroenterol Nutr 40:107-14. 2005
  14. ncbi request reprint Vegetarian diet alters the assessment of exocrine pancreatic function with the use of fecal tests
    Jaroslaw Walkowiak
    Institute of Pediatrics, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
    J Pediatr Gastroenterol Nutr 38:224-6. 2004
  15. ncbi request reprint Serum lipase after secretin stimulation detects mild pancreatic involvement in cystic fibrosis
    Jaroslaw Walkowiak
    Department of Gastroenterology, Institute of Pediatrics, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
    J Pediatr Gastroenterol Nutr 38:430-5. 2004
    ..However, identification of mild cases remains a challenge. The aim of this study was to assess the ability of serum lipase after secretin stimulation to identify mild pancreatic insufficiency in patients with CF...
  16. ncbi request reprint Giardiasis aggravates malabsorption in cystic fibrosis
    J Walkowiak
    Institute of Pediatrics, Dept of Gastroenterology and Metabolism, Karol Marcinkowski University of Medical Sciences, Poznan, Poland
    Scand J Gastroenterol 39:607-8. 2004
  17. ncbi request reprint Five-year prospective analysis of dietary intake and clinical status in malnourished cystic fibrosis patients
    J Walkowiak
    Department of Gastroenterology and Metabolism, Institute of Pediatrics, Poznan, Poland
    J Hum Nutr Diet 16:225-31. 2003
    ..Poor growth and malnutrition still pose a problem in cystic fibrosis (CF). The aim of the present study was to assess nutrition, as well as clinical status, of malnourished CF patients during a nutritional care programme...
  18. ncbi request reprint Faecal elastase-1 test is superior to faecal lipase test in the assessment of exocrine pancreatic function in cystic fibrosis
    J Walkowiak
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Acta Paediatr 93:1042-5. 2004
    ..Therefore, the aim of the present study was to compare the sensitivity and the specificity of the faecal lipase test to the faecal elastase-1 test in the assessment of exocrine pancreatic function in children with CF...
  19. ncbi request reprint Longitudinal follow-up of exocrine pancreatic function in pancreatic sufficient cystic fibrosis patients using the fecal elastase-1 test
    Jaroslaw Walkowiak
    Department of Gastroenterology and Metabolism, Institute of Pediatrics, Karol Marcinkowski University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    J Pediatr Gastroenterol Nutr 36:474-8. 2003
    ..Therefore, the aim of the present study was to evaluate the usefulness of the noninvasive fecal elastase-1 (E1) test for the longitudinal assessment of exocrine pancreatic function (EPF) in pancreatic-sufficient (PS) CF patients...
  20. ncbi request reprint Fecal elastase-1 cut-off levels in the assessment of exocrine pancreatic function in cystic fibrosis
    Jaroslaw Walkowiak
    Institute of Pediatrics, Department of Gastroenterology and Metabolism, Karol Marcinkowski University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    J Cyst Fibros 1:260-4. 2002
    ..Fecal elastase-1 (E1) test is a sensitive and specific indirect test. However, there are few data on the best cut-off level in the assessment of exocrine pancreatic function in cystic fibrosis (CF)...
  21. ncbi request reprint [Comparison of faecal lipase test and faecal elastase-1 test in the assessment of exocrine pancreatic function in cystic fibrosis]
    Jaroslaw Walkowiak
    Klinika Gastroenterologii Dzieciecej i Chorób Metabolicznych, Instytut Pediatrii, Akademia Medyczna, ul Szpitalna 27 33, 60 572 Poznan, Poland
    Med Wieku Rozwoj 7:149-55. 2003
    ..Therefore, the aim of the present study was to compare the sensitivity and the specificity of faecal lipase test to the faecal elastase-1 test in the assessment of exocrine pancreatic function...
  22. pmc Mild CFTR mutations and genetic predisposition to lactase persistence in cystic fibrosis
    Edyta Madry
    Department of Physiology, Poznan University of Medical Sciences, Poznan, Poland
    Eur J Hum Genet 19:748-52. 2011
    ..Lactose malabsorption due to ATH in CF is not more frequent than in the general population. Symptomatic assessment of lactose malabsorption in CF is not reliable...
  23. pmc Comparison of fecal pyruvate kinase isoform M2 and calprotectin in acute diarrhea in hospitalized children
    Elzbieta Czub
    Child and Mother Specialist Hospital, Poznan, Poland
    Sci Rep 4:4769. 2014
    ..The performance of both tests in hospitalized patients did not meet the needs of everyday clinical practice. Moreover, no advantage of fecal tests over the measurement of CRP was documented...
  24. ncbi request reprint Unresponsive or non-compliant steatorrhea in cystic fibrosis?
    Aleksandra Lisowska
    Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Szpitalna 27 33, 60 572 Poznan, Poland
    J Cyst Fibros 5:253-5. 2006
    ..Eight unresponsive subjects were checked for PET compliance with fecal chymotrypsin assay. Three patients were documented to be non-compliant. Unresponsive patients should undergo evaluation for PET compliance...
  25. pmc Prevalence and correlates of vitamin K deficiency in children with inflammatory bowel disease
    Jan K Nowak
    Poznan University of Medical Sciences, Department of Pediatric Gastroenterology and Metabolic Diseases, Poznan, Poland
    Sci Rep 4:4768. 2014
    ..Relation of vitamin K deficiency to pediatric IBD clinical course and treatment demand further research. ..
  26. doi request reprint Chronic pouchitis is not related to small intestine bacterial overgrowth
    Aleksandra Lisowska
    I Chair of Pediatrics, Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Inflamm Bowel Dis 14:1102-4. 2008
    ..The oro-anal transit time is significantly reduced in this patient group. Therefore, we investigated the hypothesis if IPAA constitutes a significant risk for small intestine bacterial overgrowth (SIBO)...
  27. ncbi request reprint Adaptive changes of pancreatic protease secretion to a short-term vegan diet: influence of reduced intake and modification of protein
    Jaroslaw Walkowiak
    1st Chair of Pediatrics, Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Br J Nutr 107:272-6. 2012
    ..It was concluded that significant reduction and modification of protein intake due to a short-term vegan diet resulted in an adaptation of pancreatic protease secretion in healthy volunteers...
  28. ncbi request reprint Cystic fibrosis is a risk factor for celiac disease
    Jarosław Walkowiak
    Department of Dietetics, Poznan University of Life Sciences, Poznan, Poland
    Acta Biochim Pol 57:115-8. 2010
    ..Therefore, in the present study we aimed to assess the genetic predisposition to CD and its incidence in CF patients comparing it to data from the general population...
  29. ncbi request reprint Adult-type hypolactasia and lactose malabsorption in Poland
    Edyta Madry
    Department of Physiology, Poznan University of Medical Sciences, Poland
    Acta Biochim Pol 57:585-8. 2010
    ..4:c.1917+326C>T; rs4988235) has not been reported in those studies. Therefore, in this study we aimed to assess genetic predisposition and clinical manifestation of adult-type hypolactasia (ATH)...
  30. ncbi request reprint Sodium butyrate and short chain fatty acids in prevention of travellers' diarrhoea: a randomized prospective study
    Lukasz Krokowicz
    Department of General Surgery, Oncologic Gastroenterologic Surgery and Plastic Surgery, Poznan University of Medical Sciences, Poznan, Poland Electronic address
    Travel Med Infect Dis 12:183-8. 2014
    ..Travellers' diarrhoea (TD) remains a considerable concern among international travellers. Known methods of prevention include dietary precautions, administration of vaccines and antibiotic agents...
  31. doi request reprint Oral antibiotic therapy improves fat absorption in cystic fibrosis patients with small intestine bacterial overgrowth
    Aleksandra Lisowska
    1st Chair of Pediatrics, Department of Pediatric Gastroenterology and Metabolism, Poznan University of Medical Sciences, Szpitalna 27 33 60 572 Poznań, Poland
    J Cyst Fibros 10:418-21. 2011
    ..The aim of the present study was to assess the influence of antibiotic therapy on fat assimilation in cystic fibrosis (CF) patients with small intestine bacterial overgrowth (SIBO)...
  32. ncbi request reprint Antibiotic therapy and fat digestion and absorption in cystic fibrosis
    Aleksandra Lisowska
    Department of Pediatric Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
    Acta Biochim Pol 58:345-7. 2011
    ..6(3.4) % vs. 5.7(5.4) %, p = 0.167]. In conclusion, antibiotic therapy applied routinely in the course of pulmonary exacerbation in CF patients does not seem to result in an improvement of fat digestion and absorption...
  33. pmc Microencapsulated sodium butyrate administered to patients with diverticulosis decreases incidence of diverticulitis--a prospective randomized study
    Lukasz Krokowicz
    Department of General Surgery, Oncologic Gastroenterological and Plastic Surgery, Poznan University of Medical Sciences, Ul Przybyszewskiego 49, 60 355, Poznan, Poland
    Int J Colorectal Dis 29:387-93. 2014
    ..We aimed to examine a role of MSB in patients with diverticulosis, hypothesizing its potential for reduction of diverticulitis episodes and diverticulitis prevention...
  34. ncbi request reprint Comparison of fecal pyruvate kinase isoform M2 and calprotectin in assessment of pediatric inflammatory bowel disease severity and activity
    Elzbieta Czub
    Child and Mother Specialist Hospital in Poznan, Poznan, Poland
    Acta Biochim Pol 61:99-102. 2014
    ..The aim of this study was to compare performance of M2-PK and FC in assessment of pediatric ulcerative colitis (UC) and Crohn's disease (CD) severity and activity...
  35. pmc High Resolution Melting analysis as a rapid and efficient method of screening for small mutations in the STK11 gene in patients with Peutz-Jeghers syndrome
    Pawel Borun
    Institute of Human Genetics, Polish Academy of Sciences, Strzeszynska 32, Poznan, 60 479, Poland
    BMC Med Genet 14:58. 2013
    ..Depending on the studied population, its incidence has been estimated to range from 1:200 000 even up to 1:50 000 births. Being an autosomal disease, PJS is caused in most cases by mutations in the STK11 gene...
  36. ncbi request reprint Pancreatic enzyme therapy and gastrointestinal symptoms in patients with cystic fibrosis
    Jaroslaw Walkowiak
    J Pediatr 147:870-1. 2005
  37. ncbi request reprint Re: fecal elastase: pancreatic status verification and influence on nutritional status in children with cystic fibrosis
    Jaroslaw Walkowiak
    J Pediatr Gastroenterol Nutr 42:117; author reply 118. 2006
  38. ncbi request reprint Polyunsaturated fatty acids in cystic fibrosis are related to nutrition and clinical expression of the disease
    Jaroslaw Walkowiak
    J Pediatr Gastroenterol Nutr 45:488-9; author reply 489. 2007