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T. Ruuska · SciRah

Researcher profile · Semantic Scholar

T. Ruuska

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T. Ruuska — researcher profile on SciRah

h-index: 36
Works: 90
Citations: 3,865

Most-cited papers

Rotavirus disease in Finnish children: use of numerical scores for clinical severity of diarrhoeal episodes.
T. Ruuska, T. Vesikari
1990Scandinavian Journal of Infectious Diseases745 citations
Semantic Scholar
Rectal Bleeding in Infancy: Clinical, Allergological, and Microbiological Examination
T. Arvola, T. Ruuska, J. Keränen, H. Hyöty +2 more
2006Pediatrics239 citations
Semantic Scholar
Prospective Evaluation of Upper Gastrointestinal Mucosal Lesions in Children with Ulcerative Colitis and Crohn's Disease
T. Ruuska, P. Vaajalahti, P. Arajärvi, M. Mäki
1994Journal of Pediatric Gastroenterology and Nutrition - JPGN173 citations Open access
Semantic Scholar
Outcome of patients operated on for esophageal atresia: 30 years' experience.
E. Somppi, O. Tammela, T. Ruuska, Jorma Rahnasto +3 more
1998Journal of Pediatric Surgery152 citations
Semantic Scholar
The feasibility of wireless capsule endoscopy in detecting small intestinal pathology in children under the age of 8 years: a multicentre European study
A. Fritscher-ravens, P. Scherbakov, P. Bufler, Filipo Torroni +5 more
2009Gut131 citations Open access
Semantic Scholar
Exclusive Whole Protein Enteral Diet Versus Prednisolone in the Treatment of Acute Crohn's Disease in Children
T. Ruuska, E. Savilahti, M. Mäki, T. Örmälä +1 more
1994Journal of Pediatric Gastroenterology and Nutrition - JPGN101 citations Open access
Semantic Scholar
Parenteral Plant Sterols and Intestinal Failure–associated Liver Disease in Neonates
Annika Kurvinen, M. Nissinen, S. Andersson, P. Korhonen +10 more
2012Journal of Pediatric Gastroenterology and Nutrition - JPGN100 citations Open access
Semantic Scholar
Oats in the treatment of childhood coeliac disease: a 2‐year controlled trial and a long‐term clinical follow‐up study
K. Holm, M. Mäki, N. Vuolteenaho, K. Mustalahti +3 more
2006Alimentary Pharmacology and Therapeutics95 citations
Semantic Scholar
Upper Gastrointestinal Endoscopy in Recurrent Abdominal Pain of Childhood
M. Ashorn, M. Mäki, T. Ruuska, R. Karikoski-Leo +4 more
1993Journal of Pediatric Gastroenterology and Nutrition - JPGN94 citations Open access
Semantic Scholar
Presentation of Celiac Disease in Finnish Children Is No Longer Changing: A 50-Year Perspective.
L. Kivelä, K. Kaukinen, Marja-Leena Lähdeaho, H. Huhtala +6 more
2015Jornal de Pediatria93 citations
Semantic Scholar
A Prospective Study of Acute Diarrhoea in Finnish Children from Birth to 2 1/2 Years of Age
T. Ruuska, T. Vesikari
1991Acta Paediatrica Scandinavica84 citations
Semantic Scholar
Helicobacter pylori and Iron Deficiency Anaemia in Children
M. Ashorn, T. Ruuska, A. Mäkipernaa
2001Scandinavian Journal of Gastroenterology79 citations
Semantic Scholar
Age‐dependent variation in the serum concentration of mannan‐binding protein
J. Aittoniemi, A. Miettinen, P. Laippala, E. Isolauri +3 more
1996Acta paediatrica79 citations
Semantic Scholar
Iron overload in children who are treated for acute lymphoblastic leukemia estimated by liver siderosis and serum iron parameters.
P. Halonen, J. Mattila, P. Suominen, T. Ruuska +2 more
2003Pediatrics68 citations
Semantic Scholar
Symptomatic Response to Helicobacter Pylori Eradication in Children With Recurrent Abdominal Pain:: Double Blind Randomized Placebo-controlled Trial
M. Ashorn, Tiina Rägö, J. Kokkonen, T. Ruuska +2 more
2004Journal of Clinical Gastroenterology67 citations
Semantic Scholar
Surgical treatment and outcomes of severe pediatric intestinal motility disorders requiring parenteral nutrition.
M. Pakarinen, Annika Kurvinen, A. Koivusalo, T. Ruuska +3 more
2013Journal of Pediatric Surgery66 citations
Semantic Scholar
Protective efficacy against serotype 1 rotavirus diarrhea by live oral rhesus-human reassortant rotavirus vaccines with human rotavirus VP7 serotype 1 or 2 specificity.
T. Vesikari, T. Ruuska, K. Green, J. Flores +1 more
1992The Pediatric Infectious Disease Journal65 citations
Semantic Scholar
Evaluation of the M37 human rotavirus vaccine in 2‐ to 6‐month‐old infants
T. Vesikari, T. Ruuska, H. Koivu, K. Green +2 more
1991The Pediatric Infectious Disease Journal64 citations
Semantic Scholar
Microbiota Composition of the Intestinal Mucosa: Association with Fecal Microbiota?
A. Ouwehand, S. Salminen, T. Arvola, T. Ruuska +1 more
2004Microbiology and immunology63 citations
Semantic Scholar
The Natural Course of Gastroesophageal Reflux Disease in Children
M. Ashorn, T. Ruuska, R. Karikoski, P. Laippala
2002Scandinavian Journal of Gastroenterology62 citations
Semantic Scholar
Mucosal pathology of the foregut associated with food allergy and recurrent abdominal pains in children
Jorma Kokkonen, T. Ruuska, T. Karttunen, A. Niinimäki
2001Acta paediatrica61 citations
Semantic Scholar
Evaluation of RIT 4237 bovine rotavirus vaccine in newborn infants: correlation of vaccine efficacy to season of birth in relation to rotavirus epidemic period.
T. Ruuska, T. Vesikari, A. Delem, F. André +2 more
1990Scandinavian Journal of Infectious Diseases57 citations
Semantic Scholar
A Prospective Study on the Usefulness of Duodenal Bulb Biopsies in Celiac Disease Diagnosis in Children: Urging Caution
Juha Taavela, A. Popp, I. Korponay-Szabó, Adina Ene +9 more
2016American Journal of Gastroenterology56 citations
Semantic Scholar
Stress-induced gastric findings in critically ill newborn infants: frequency and risk factors
A. Kuusela, M. Mäki, T. Ruuska, P. Laippala
2000Intensive Care Medicine56 citations
Semantic Scholar
High prevalence of asymptomatic esophageal and gastric lesions in preterm infants in intensive care
M. Mäki, T. Ruuska, A. Kuusela, R. Karikoski-Leo +1 more
1993Critical Care Medicine54 citations
Semantic Scholar
Celiac Disease: From Inflammation to Atrophy: A Long-Term Follow-up Study
Marja-Leena Lähdeaho, K. Kaukinen, P. Collin, T. Ruuska +3 more
2005Journal of Pediatric Gastroenterology and Nutrition - JPGN52 citations Open access
Semantic Scholar
Efficacy of Two Doses of RIT 4237 Bovine Rotavirus Vaccine for Prevention of Rotavirus Diarrhoea
T. Vesikari, T. Ruuska, A. Delem, F. André +2 more
1991Acta Paediatrica Scandinavica52 citations
Semantic Scholar
Seroepidemiological study of Helicobacter pylori infection in infancy.
M. Ashorn, Ari Miettinen, T. Ruuska, P. Laippala +1 more
1996Archives of Disease in Childhood: Fetal and Neonatal Edition50 citations Open access
Semantic Scholar
Gastric Mucosal Cell Densities in Helicobacter pylori Positive and Negative Dyspeptic Children and Healthy Controls
M. Ashorn, T. Ruuska, R. Karikoski, J. Välipakka +1 more
1994Journal of Pediatric Gastroenterology and Nutrition - JPGN46 citations Open access
Semantic Scholar
Acquired myopathic intestinal pseudo-obstruction may be due to autoimmune enteric leiomyositis.
T. Ruuska, R. Karikoski, V. Smith, P. Milla
2002Gastroenterology43 citations Open access
Semantic Scholar
Growth of prepubertal children with inflammatory bowel disease.
M. Saha, T. Ruuska, P. Laippala, H. Lenko
1998Journal of Pediatric Gastroenterology and Nutrition - JPGN43 citations Open access
Semantic Scholar
Dose-response study of RIT 4237 oral rotavirus vaccine in breast-fed and formula-fed infants.
T. Vesikari, T. Ruuska, H. Bogaerts, A. Delem +1 more
1985Pediatric Infectious Disease43 citations
Semantic Scholar
ACQUIRED MYOPATHIC INTESTINAL PSEUDO‐OBSTRUCTION (CIIP) MAY BE DUE TO AUTOIMMUNE ENTERIC LEIOMYOSITIS
T. Ruuska, R. Karikoski, V. Smith, P. Milla
1999Journal of Pediatric Gastroenterology and Nutrition - JPGN42 citations Open access
Semantic Scholar
Helicobacter pylori gastritis in dyspeptic children. A long-term follow-up after treatment with colloidal bismuth subcitrate and tinidazole.
M. Ashorn, T. Ruuska, R. Karikoski, A. Miettinen +1 more
1994Scandinavian Journal of Gastroenterology40 citations
Semantic Scholar
A randomized, controlled study of prophylactic ranitidine in preventing stress-induced gastric mucosal lesions in neonatal intensive care unit patients.
A. Kuusela, T. Ruuska, R. Karikoski, P. Laippala +3 more
1997Critical Care Medicine39 citations
Semantic Scholar
Colonic Mucosal Microbiota and Association of Bacterial Taxa with the Expression of Host Antimicrobial Peptides in Pediatric Ulcerative Colitis
Jonna Jalanka, Jing Cheng, K. Hiippala, J. Ritari +4 more
2020International Journal of Molecular Sciences37 citations Open access
Semantic Scholar
Neonatal rotavirus vaccination with RIT 4237 bovine rotavirus vaccine: a preliminary report
T. Vesikari, T. Ruuska, A. Delem, F. Andrea
1987The Pediatric Infectious Disease Journal35 citations
Semantic Scholar
Occurrence of Acute Diarrhea in Atopic and Nonatopic Infants: The Role of Prolonged Breast‐Feeding
T. Ruuska
1992Journal of Pediatric Gastroenterology and Nutrition - JPGN34 citations Open access
Semantic Scholar
An update on the "Jennerian" and modified "Jennerian" approach to vaccination of infants and young children against rotavirus diarrhea.
A. Kapikian, T. Vesikari, T. Ruuska, H. Madore +6 more
1992Advances in Experimental Medicine and Biology31 citations
Semantic Scholar
Oral Rotavirus Vaccination in Breast‐ and Bottle‐Fed Infants Aged 6 to 12 Months
T. Vesikari, T. Ruuska, A. Delem, F. André
1986Acta Paediatrica Scandinavica31 citations
Semantic Scholar
Changing jejunal gamma delta T cell receptor (TCR)-bearing intraepithelial lymphocyte density in coeliac disease.
S. Iltanen, K. Holm, M. Ashorn, T. Ruuska +2 more
1999Clinical and Experimental Immunology29 citations
Semantic Scholar
Blisters in the small intestinal mucosa of coeliac patients contain T cells positive for cyclooxygenase 2
H. Kainulainen, I. Rantala, P. Collin, T. Ruuska +5 more
2002Gut27 citations Open access
Semantic Scholar
Gastric lymphoma in an 11-year-old boy: a case report.
P. Ashorn, Pirkko-Liisa Lähde, T. Ruuska, A. Mäkipernaa
1994Medical and Pediatric Oncology27 citations
Semantic Scholar
Liver histology after current intensified therapy for childhood acute lymphoblastic leukemia: microvesicular fatty change and siderosis are the main findings.
P. Halonen, J. Mattila, T. Ruuska, M. Salo +1 more
2003Medical and Pediatric Oncology26 citations
Semantic Scholar
[Eosinophilic diseases of the gastrointestinal tract].
K. Kurppa, O. Lohi, M. Vornanen, T. Ruuska
2012Duodecim lääketieteellinen aikakauskirja24 citations
Semantic Scholar
Granulocyte‐monocyte adsorptive apheresis in pediatric inflammatory bowel disease: Results, practical issues, safety, and future perspectives
T. Ruuska, V. Wewer, F. Lindgren, Petter Malmborg +6 more
2009Inflammatory Bowel Diseases24 citations Open access
Semantic Scholar
Clinical trials of rotavirus vaccines.
T. Vesikari, E. Isolauri, T. Ruuska, T. Rautanen
2007Ciba Foundation symposium16 citations
Semantic Scholar
Erythrocyte concentrations of metabolites or cumulative doses of 6‐mercaptopurine and methotrexate do not predict liver changes in children treated for acute lymphoblastic leukemia
P. Halonen, J. Mattila, A. Mäkipernaa, T. Ruuska +1 more
2006Pediatric Blood & Cancer15 citations
Semantic Scholar
Neonatal and infantile upper gastrointestinal endoscopy using a new small diameter fibreoptic gastroscope.
T. Ruuska, J. Fell, W. Bisset, P. J. Milla
1996Journal of Pediatric Gastroenterology and Nutrition - JPGN15 citations Open access
Semantic Scholar
Recent advances in development of a rotavirus vaccine for prevention of severe diarrheal illness of infants and young children.
A. Kapikian, Jorge Flores, T. Vesikari, T. Ruuska +7 more
1991Advances in Experimental Medicine and Biology15 citations
Semantic Scholar

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T. Vesikari — researcher profile on SciRah