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Medicine
Poland
2026

D-Index & Metrics

Medicine

D-Index
105
Citations
45830
World Ranking
6716
National Ranking
7

Research.com Recognitions

  • 2026 - Research.com Medicine in Poland Leader Award
  • 2025 - Research.com Medicine in Poland Leader Award
  • 2023 - Research.com Medicine in Poland Leader Award
  • 2022 - Research.com Medicine in Poland Leader Award

Overview

Hania Szajewska is affiliated with the Medical University of Warsaw in Poland. Their research output primarily spans the field of medicine, with a focus on several subfields including immunology and allergy, surgery, pharmacy, food science, and nutrition and dietetics.

The scientist's work covers multiple key topics in health and nutrition. These include:

  • Infant Health and Development
  • Food Allergy and Anaphylaxis Research
  • Probiotics and Fermented Foods
  • Eosinophilic Esophagitis
  • Infant Nutrition and Health
  • Gut microbiota and health
  • Digestive system and related health

Hania Szajewska has contributed to a range of academic journals, frequently publishing in:

  • Journal of Pediatric Gastroenterology and Nutrition
  • Nutrients
  • World Allergy Organization Journal
  • Nature Reviews Gastroenterology & Hepatology
  • BMJ Open

Several notable papers from their recent research include:

  • The International Scientific Association of Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of postbiotics, 2021, Nature Reviews Gastroenterology & Hepatology
  • EAACI guideline: Preventing the development of food allergy in infants and young children (2020 update), 2021, Pediatric Allergy and Immunology
  • Emerging issues in probiotic safety: 2023 perspectives, 2023, Gut Microbes
  • Probiotics and Preterm Infants, 2020, Journal of Pediatric Gastroenterology and Nutrition
  • Paediatric functional abdominal pain disorders, 2020, Nature Reviews Disease Primers

Frequent coauthors in their collaborative research include:

  • Raanan Shamir
  • Yvan Vandenplas
  • Andrea Horvath
  • Agata Stróżyk
  • Carina Venter

Best Publications

  • Prebiotic effects: metabolic and health benefits.

    Marcel Roberfroid;Glenn R. Gibson;Lesley Hoyles;Anne L. McCartney

  • Enteral nutrient supply for preterm infants: commentary from the European Society of Paediatric Gastroenterology, Hepatology and Nutrition Committee on Nutrition

    C Agostoni;G Buonocore;VP Carnielli;M De Curtis

  • Complementary Feeding: A Commentary by the ESPGHAN Committee on Nutrition

    Carlo Agostoni;Tamás Decsi;Mary S. Fewtrell;Olivier Goulet

  • European Society for Paediatric Gastroenterology, Hepatology, and Nutrition/European Society for Paediatric Infectious Diseases evidence-based guidelines for the management of acute gastroenteritis in children in Europe: executive summary.

    Alfredo Guarino;Shai Ashkenazi;Dominique Gendrel;Andrea Lo Vecchio

  • Dense genotyping identifies and localizes multiple common and rare variant association signals in celiac disease

    Gosia Trynka;Karen A Hunt;Nicholas A Bockett;Jihane Romanos

  • Lactobacillus GG administered in oral rehydration solution to children with acute diarrhea: a multicenter European trial.

    S Guandalini;L Pensabene;M A Zikri;J A Dias

  • The roles of long-chain polyunsaturated fatty acids in pregnancy, lactation and infancy: review of current knowledge and consensus recommendations.

    Berthold Koletzko;Eric Lien;Carlo Agostoni;Hansjosef Böhles

  • Breast-feeding: A commentary by the ESPGHAN Committee on Nutrition

    Carlo Agostoni;Christian Braegger;Tamas Decsi;Sanja Kolacek

  • Probiotics in the treatment and prevention of acute infectious diarrhea in infants and children: a systematic review of published randomized, double-blind, placebo-controlled trials.

    Hania Szajewska;Jacek Z. Mrukowicz

  • Randomized Feeding Intervention in Infants at High Risk for Celiac Disease

    S. L. Vriezinga;R. Auricchio;E. Bravi;G. Castillejo

  • Systematic review demonstrating that breakfast consumption influences body weight outcomes in children and adolescents in Europe

    Hania Szajewska;Marek Ruszczynski

  • Supplementation of infant formula with probiotics and/or prebiotics: a systematic review and comment by the ESPGHAN committee on nutrition

    Christian Braegger;Anna Chmielewska;Tamas Decsi;Sanja Kolacek

  • Probiotics in the prevention of antibiotic-associated diarrhea in children: a meta-analysis of randomized controlled trials.

    Hania Szajewska;Marek Ruszczyński;Andrzej Radzikowski

  • World Gastroenterology Organisation Global Guidelines: probiotics and prebiotics October 2011.

    Francisco Guarner;Aamir G. Khan;James Garisch;Rami Eliakim

  • Saccharomyces boulardii in the prevention of antibiotic‐associated diarrhoea in children: a randomized double‐blind placebo‐controlled trial

    M. Kotowska;P. Albrecht;H. Szajewska

  • Systematic review of randomised controlled trials: Probiotics for functional constipation

    Anna Chmielewska;Hania Szajewska

  • Meta-analysis: the effects of Saccharomyces boulardii supplementation on Helicobacter pylori eradication rates and side effects during treatment

    Hania Szajewska;Andrea Horvath;Anna Piwowarczyk

  • Practical approach to paediatric enteral nutrition: A comment by the ESPGHAN committee on nutrition

    Christian Braegger;Tamás Decsi;Jorge Amil Dias;Corina Hartman

  • Guidance for Substantiating the Evidence for Beneficial Effects of Probiotics: Current Status and Recommendations for Future Research

    Ger T. Rijkers;Stig Bengmark;Paul Enck;Dirk Haller

  • [European Society for Pediatric Gastroenterology, Hepatology, and Nutrition/European Society for Pediatric Infectious Diseases evidence-based guidelines for the management of acute gastroenteritis in children in Europe: update 2014].

    Alfredo Guarino;Fabio Albano;Shai Ashkenazi;Dominique Gendrel

Frequent Co-Authors

Raanan Shamir
Raanan Shamir Tel Aviv University
Berthold Koletzko
Berthold Koletzko Ludwig-Maximilians-Universität München
Yvan Vandenplas
Yvan Vandenplas Vrije Universiteit Brussel
Dominique Turck
Dominique Turck University of Lille
Johannes B. van Goudoever
Johannes B. van Goudoever University of Amsterdam
Carlo Agostoni
Carlo Agostoni University of Milan
Kim F. Michaelsen
Kim F. Michaelsen University of Copenhagen
Marc A. Benninga
Marc A. Benninga University of Amsterdam
Sibylle Koletzko
Sibylle Koletzko University of Warmia and Mazury in Olsztyn
Mary Fewtrell
Mary Fewtrell University College London

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