Research Topics
Species | Olli RuuskanenSummaryAffiliation: University of Turku Country: Finland Publications
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Detail Information
Publications
Specific antibody deficiency in children with recurrent respiratory infections: a controlled study with follow-upO Ruuskanen
Department of Paediatrics, Turku University Hospital, PO Box 52, FI 20521 Turku, Finland
Clin Exp Immunol 172:238-44. 2013..SAD is common in young children with recurrent respiratory infections, but it is often transient and resolves itself within a few years without specific treatment...
Viral pneumoniaOlli Ruuskanen
Department of Paediatrics, Turku University Hospitals, Turku, Finland
Lancet 377:1264-75. 2011..Furthermore, regional differences in cause of pneumonia should be investigated, in particular to obtain more data from developing countries...
Safety and tolerability of azithromycin in pediatric infectious diseases: 2003 updateOlli Ruuskanen
Department of Pediatrics, Turku University Hospitals, Turku, Finland
Pediatr Infect Dis J 23:S135-9. 2004....
Respiratory viral infections in children with leukemiaMinna Koskenvuo
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 27:974-80. 2008..Respiratory viruses occur frequently in the community and are a common cause of fever in children. Data on respiratory viral infections in children with cancer are limited...
Atopic characteristics of wheezing children and responses to prednisoloneTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Pulmonol 42:1125-33. 2007..It is important that corticosteroid intervention trials have strict design for these potentially confounding factors...
Comparison of total white blood cell count and serum C-reactive protein levels in confirmed bacterial and viral infectionsVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Pediatr 149:721-4. 2006..Adenoviruses were the only viral agents that often increased total white blood cell counts or serum C-reactive protein levels...
The dynamics of bacteria in the middle ear during the course of acute otitis media with tympanostomy tube otorrheaAino Ruohola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 26:892-6. 2007..AOM with tympanostomy tube otorrhea provides a unique opportunity to study the appearance and disappearance of pathogens during the course of the disease without stressing the child...
Efficacy of prednisolone in children hospitalized for recurrent wheezingTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Allergy Immunol 18:326-34. 2007..033 for both). Prospectively designed clinical trial is needed to test the hypothesis that prednisolone reduces symptoms in picornavirus-affected wheezing children...
Clinical effects of rhinovirus infectionsVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Clin Virol 43:411-4. 2008..Our studies corroborate the major contribution of rhinovirus to hospitalization of children, most often because of wheezing. Young children with respiratory symptoms are major spreaders of rhinovirus in family setting...
Respiratory picornaviruses and respiratory syncytial virus as causative agents of acute expiratory wheezing in childrenTuomas Jartti
Turku University Hospital, Turku, Finland
Emerg Infect Dis 10:1095-101. 2004..Human metapneumovirus was detected in 4% of all children and in 11% of infants. To prevent and treat acute expiratory wheezing illnesses in children, efforts should be focused on RSV, enterovirus, and rhinovirus infections...
Human bocavirus-the first 5 yearsTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Rev Med Virol 22:46-64. 2012..The best currently available diagnostic approaches are quantitative PCR and serology. This concise review summarizes the current clinical knowledge on HBoV species...
Evaluation of the efficacy of prednisolone in early wheezing induced by rhinovirus or respiratory syncytial virusTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 25:482-8. 2006..The role of systemic corticosteroids in the treatment of early childhood wheezing in children is not clear...
Symptoms and otoscopic signs in bilateral and unilateral acute otitis mediaJohanna M Uitti
Department of Pediatrics, Turku University Hospital, Kiinamyllynkatu 4 8, PL 52, 20521 Turku, Finland
Pediatrics 131:e398-405. 2013..We studied whether bilateral AOM is a clinically more severe illness than unilateral AOM by comparing symptoms and otoscopic signs between bilateral and unilateral AOM...
Mixed bacterial-viral infections in septic children with leukemiaMinna Koskenvuo
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 26:1133-6. 2007..Febrile infections in children with leukemia are common. The occurrence of possible mixed bacterial-viral infections is unknown...
Prednisolone reduces recurrent wheezing after a first wheezing episode associated with rhinovirus infection or eczemaPasi Lehtinen
Department of Pediatrics, Turku University Hospital, Finland
J Allergy Clin Immunol 119:570-5. 2007..Rhinovirus-induced early wheezing has been suggested as a new important risk factor for recurrent wheezing...
Bronchiolitis: age and previous wheezing episodes are linked to viral etiology and atopic characteristicsTuomas Jartti
Departments of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 28:311-7. 2009..Diagnostic criteria for bronchiolitis are variable...
Recurrent and persistent respiratory tract viral infections in patients with primary hypogammaglobulinemiaLeena Kainulainen
Department of Pediatrics, Turku University Hospitals, Turku, Finland
J Allergy Clin Immunol 126:120-6. 2010..The occurrence of respiratory tract viral infections in patients with primary hypogammaglobulinemia has not been studied...
Symptoms or symptom-based scores cannot predict acute otitis media at otitis-prone ageMiia K Laine
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatrics 125:e1154-61. 2010..We also compared scores including or excluding tympanic-membrane examination of children with and without AOM...
Temporal association between rhinovirus circulation in the community and invasive pneumococcal disease in childrenVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 30:456-61. 2011..Mucosal coinfections with respiratory viruses and Streptococcus pneumoniae are common, but the role of rhinovirus infections in the development of invasive pneumococcal disease (IPD) in children has not been studied...
No efficacy of prednisolone in acute wheezing associated with human bocavirus infectionTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 30:521-3. 2011..Outcomes included hospitalization time, duration of symptoms, and occurrence of relapses. No efficacy of prednisolone was found in children with serologically confirmed acute human bocavirus infection...
Systemic T-helper and T-regulatory cell type cytokine responses in rhinovirus vs. respiratory syncytial virus induced early wheezing: an observational studyTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Respir Res 10:85. 2009..The risk is more important than that associated with respiratory syncytial virus (RSV) disease. No comparative data are available on the immune responses of these diseases...
Rhinovirus infections in children: a retrospective and prospective hospital-based studyVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Med Virol 81:1831-8. 2009..Acute wheezing is the most frequent manifestation in hospital setting, but the range of clinical presentations is wide. Group C rhinoviruses may account for a large part of rhinovirus hospitalizations...
Human bocavirus in children with acute lymphoblastic leukemiaMinna Koskenvuo
Department of Pediatrics, Turku University Hospital, Kiinamyllynkatu 4 8, FI 20520, Turku, Finland
Eur J Pediatr 167:1011-5. 2008..One of them had five consecutive febrile episodes during 6 months, all associated with the presence of human bocavirus at varying viral loads, suggesting prolonged shedding or reactivation of the virus...
Identification of respiratory viruses in asymptomatic subjects: asymptomatic respiratory viral infectionsTuomas Jartti
Department of Pediatrics, University of Turku, Turku, Finland
Pediatr Infect Dis J 27:1103-7. 2008....
A placebo-controlled trial of antimicrobial treatment for acute otitis mediaPaula A Tähtinen
Department of Pediatrics, Turku University Hospital, Turku, Finland
N Engl J Med 364:116-26. 2011..The efficacy of antimicrobial treatment in children with acute otitis media remains controversial...
New respiratory viral infectionsTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Curr Opin Pulm Med 18:271-8. 2012..This article briefly reviews the clinical significance of newly discovered respiratory viruses...
Development of parapneumonic empyema in childrenElina Lahti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Acta Paediatr 96:1686-92. 2007..The aim of the study was to find clinical predictors for parapneumonic empyema in children...
Bacteria and viruses in maxillary sinuses of patients with primary hypogammaglobulinemiaLeena Kainulainen
Department of Pediatrics, Turku University Hospital, PO Box 52, 20521 Turku, Finland
Arch Otolaryngol Head Neck Surg 133:597-602. 2007..To study bacteria and viruses in maxillary sinuses of patients with primary hypogammaglobulinemia receiving immunoglobulin therapy...
Bacterial and viral interactions within the nasopharynx contribute to the risk of acute otitis mediaAino Ruohola
Department of Pediatrics, Turku University Hospital, Kiinamyllynkatu 4 8, 20520 Turku, Finland Electronic address
J Infect 66:247-54. 2013..To understand relationships between microbes in pathogenesis of acute otitis media during respiratory tract infections, we compared nasopharyngeal bacteria and respiratory viruses in symptomatic children with and without AOM...
C4A deficiency in children and adolescents with recurrent respiratory infectionsLeena Kainulainen
Department of Pediatrics, Turku University Hospital, Turku, Finland
Hum Immunol 73:498-501. 2012..C4 gene testing should be added to the list of investigations when the cause for recurrent acute otitis media, maxillary sinusitis, or pneumonia in children and young adults is sought...
Microbiology of acute otitis media in children with tympanostomy tubes: prevalences of bacteria and virusesAino Ruohola
Department of Pediatrics, Turku University Hospital, Turku, FIN 20521, Finland
Clin Infect Dis 43:1417-22. 2006..Our aim was to specify the full etiology of acute middle ear infection by using modern microbiological methods concomitantly for bacterial and viral detection...
Incidence of influenza-related hospitalizations in different age groups of children in Finland: a 16-year studyHeli Silvennoinen
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 30:e24-8. 2011..children are frequently hospitalized with influenza-associated illnesses. Few virologically confirmed population-based studies of pediatric hospitalizations performed during several consecutive seasons are vailable...
Discrepancy between total white blood cell counts and serum C-reactive protein levels in febrile childrenVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Scand J Infect Dis 39:560-5. 2007..In conclusion, WBC and CRP are commonly discrepant in febrile children. Measuring both markers increases substantially the detection rate of bacterial infections...
Pulmonary abscess of viral-bacterial etiology in a neonateVille Peltola
Department of Pediatrics, Turku University Hospital, 20520 Turku, Finland
Eur J Pediatr 166:1301-2. 2007
Parental experiences and attitudes regarding the management of acute otitis media--a comparative questionnaire between Finland and The NetherlandsPaula A Tähtinen
Department of Pediatrics, Turku University Hospital, PL 52, 20521 Turku, Finland
Fam Pract 26:488-92. 2009..Parental expectations and their awareness of antimicrobial use and resistance, which may also be influenced by the guidelines, are not yet completely known...
The link between bronchiolitis and asthmaTuomas Jartti
Department of Pediatrics, Turku University Hospital, Finland
Infect Dis Clin North Am 19:667-89. 2005..The authors address the question how respiratory syncytial virus and rhinovirus infections in young children, together with genetics and immunologic immaturity, may contribute to the development of asthma...
New molecular virus detection methods and their clinical value in lower respiratory tract infections in childrenTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Paediatr Respir Rev 14:38-45. 2013..This paper reviews the progress in PCR assays and discusses their role in the diagnosis of lower respiratory tract infections in children...
Prednisolone reduces recurrent wheezing after first rhinovirus wheeze: a 7-year follow-upMinna Lukkarinen
Department of Paediatrics, Turku University Hospital, Turku, Finland
Pediatr Allergy Immunol 24:237-43. 2013..To better understand the role of human rhinovirus-associated wheeze as a risk factor for childhood recurrent wheezing, a cohort of young children experiencing their first wheezing episode was followed until school age...
Delayed versus immediate antimicrobial treatment for acute otitis mediaPaula A Tähtinen
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 31:1227-32. 2012..Our aim was to study whether delayed, as compared with immediate, initiation of antimicrobial treatment worsens the recovery from acute otitis media in young children...
New respiratory viruses and the elderlyLaura Jartti
Department of Geriatrics, Turku City Hospital, Turku, Finland
Open Respir Med J 5:61-9. 2011..Data regarding these viruses and the elderly are scarce. This review introduces these new viruses and reviews their clinical significance, especially with regard to the elderly population...
Rhinovirus transmission within families with children: incidence of symptomatic and asymptomatic infectionsVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Infect Dis 197:382-9. 2008..Rhinoviruses are the most common cause of respiratory tract infections, but the transmission in families has not been studied using sensitive and specific molecular detection methods...
Metapneumovirus and acute wheezing in childrenTuomas Jartti
Department of Paediatrics, Turku University Hospital, PL 52, 20521, Turku, Finland
Lancet 360:1393-4. 2002..Human metapneumovirus is a clinically important causative agent of acute wheezing in young children...
Neuroendocrine cell hyperplasia of infancy: a prospective follow-up of nine childrenHeikki Lukkarinen
Department of Pediatrics, Turku University Central Hospital, PB 52, Turku FIN 20520, Finland
Arch Dis Child 98:141-4. 2013..Systemic or inhaled corticosteroid treatment did not affect the duration of the symptoms. NEHI may mimic severe asthma and thus this entity should be taken into account when evaluating infants with chronic respiratory symptoms...
Magnetic resonance imaging of lung infections in childrenVille Peltola
Department of Paediatrics, Turku University Hospital, Turku, Finland
Pediatr Radiol 38:1225-31. 2008..Contrast enhancement may be useful in the differentiation of active inflammation from noninflammatory changes. MRI can be particularly useful in the follow-up of children with chronic pulmonary diseases...
Hepatitis and human bocavirus primary infection in a child with T-cell deficiencyLeena Kainulainen
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Clin Microbiol 46:4104-5. 2008..The clinical features of HBoV infection have not yet been fully elucidated. We report an invasive HBoV infection and hepatitis in a boy with cartilage-hair hypoplasia and severe T-cell immunodeficiency...
Influenza A and B virus infections in childrenVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Clin Infect Dis 36:299-305. 2003..Laboratory confirmation of influenza is particularly important for children because the clinical presentation of the infection is less characteristic than that seen in adults...
Influenza pneumoniaElina Lahti
Department of Pediatrics, Turku University Hospital, Vähä Hämeenkatu 1A3, 20500 Turku, Finland
Pediatr Infect Dis J 25:160-4. 2006..The aim of this study was to describe the frequency and characteristics of laboratory-documented and radiologically detected influenza pneumonia in children...
Three distinct episodes of GBS septicemia in a healthy newborn during the first month of lifeHanna Soukka
Department of Pediatrics, Turku University Hospital, Turku, Finland
Eur J Pediatr 169:1275-7. 2010..Conclusion In this report, we describe a newborn with two exceptionally rapid recurrences of group B streptococcal septicemias, and who was successfully treated with combining rifampin to the antibiotic regimen...
Antibiotic treatment of acute otorrhea through tympanostomy tube: randomized double-blind placebo-controlled study with daily follow-upAino Ruohola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatrics 111:1061-7. 2003..The objective of this study was to assess whether amoxicillin-clavulanate accelerates the resolution of acute tube otorrhea...
Clostridium difficile ribotype 027-associated disease in children with norovirus infectionHeikki Lukkarinen
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 28:847-8. 2009..Viral gastroenteritis may contribute to epithelial homeostasis of the intestine and exacerbate the effects of toxins produced by C. difficile ribotype 027...
High-dose ganciclovir in HHV-6 encephalitis of an immunocompetent childTuire Olli-Lähdesmäki
Department of Pediatrics and Pediatric Neurology, Turku University Hospital, Turku, Finland
Pediatr Neurol 43:53-6. 2010..Controlled, prospective, clinical trials are warranted, to analyze the pharmacokinetics of ganciclovir in infants...
Persistence of rhinovirus and enterovirus RNA after acute respiratory illness in childrenTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
J Med Virol 72:695-9. 2004..The study shows that after the onset of symptomatic respiratory infection enterovirus RNA may take 2-3 weeks and rhinovirus RNA 5-6 weeks to disappear from nasal mucus...
Clinical response to antibiotic therapy for community-acquired pneumoniaTaina Juven
Department of Paediatrics, Turku University Hospital, PL 52, 20521, Turku, Finland
Eur J Pediatr 163:140-4. 2004..Expensive and time-consuming microbiological investigations are not required once bacterial sepsis has been excluded...
Nasal swab versus nasopharyngeal aspirate for isolation of respiratory virusesTerho Heikkinen
Department of Pediatrics, Turku University Hospital Department of Virology, University of Turku, Turku, Finland
J Clin Microbiol 40:4337-9. 2002..The sensitivity of nasal swabs was comparable to that of nasopharyngeal aspirates for the detection of all major respiratory viruses except respiratory syncytial virus...
Ultrasonography after the first febrile urinary tract infection in childrenTimo Jahnukainen
Department of Pediatrics, Turku University Hospital, PL 52, 20521, Turku, Finland
Eur J Pediatr 165:556-9. 2006....
Systemic glucocorticoids in childhood expiratory wheezing: relation between age and viral etiology with efficacyTuomas Jartti
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 21:873-8. 2002
Symptoms and signs of community-acquired pneumonia in childrenTaina Juven
Department of Pediatrics, Turku University Hospital, Turku, Finland
Scand J Prim Health Care 21:52-6. 2003....
Clinical courses of croup caused by influenza and parainfluenza virusesVille Peltola
Department of Pediatrics, Turku University Hospital, Turku, Finland
Pediatr Infect Dis J 21:76-8. 2002..By several indicators the clinical picture of croup caused by influenza viruses was significantly more severe than that caused by parainfluenza viruses...
Detection of rhinovirus RNA in middle turbinate of patients with common colds by in situ hybridizationAnne Pitkaranta
Department of Otorhinolaryngology, University Hospital of Helsinki, Helsinki, Finland
J Med Virol 70:319-23. 2003..However, in situ hybridization procedure appeared to be an interesting methodology to investigate the physiopathology of respiratory tract infection by rhinoviruses...
Respiratory viruses in children with invasive pneumococcal diseaseVille Peltola
Clin Infect Dis 43:266-8. 2006
Respiratory viruses and acute asthma in childrenTuomas Jartti
J Allergy Clin Immunol 120:216; author reply 217. 2007
Human bocavirus and acute wheezing in childrenTobias Allander
Department of Microbiology Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden
Clin Infect Dis 44:904-10. 2007..It has been detected primarily in children with acute lower respiratory tract infection, but its occurrence, clinical profile, and role as a causative agent of respiratory tract disease are not clear...
[Adenoidectomy--is it unnecessary surgery toward preventing otitis?]Aino Ruohola
TYKS n lastenklinikka, Turku
Duodecim 120:2040-2. 2004
[Diagnostics and therapy of hypogammaglobulinemia]Leena Kainulainen
TYKS:n lastenklinikka PL 52, 20521 Turku
Duodecim 118:1873-80; quiz 1880, 1897. 2002
The role of respiratory viral infections among children hospitalized for community-acquired pneumonia in a developing countryCristiana M Nascimento-Carvalho
Department of Pediatrics, Federal University of Bahia School of Medicine, Salvador, Brazil
Pediatr Infect Dis J 27:939-41. 2008..Rhinovirus (21%) and Streptococcus pneumoniae (21%) were the most common pathogens. Our results demonstrate the importance of viral and pneumococcal infections among those patients...
Effectiveness of influenza vaccine to prevent acute otitis mediaTerho Heikkinen
JAMA 291:692-3; author reply 693-4. 2004
Nasal swabs for detection of respiratory syncytial virus RNAMatti E Waris
Arch Dis Child 92:1046-7. 2007
Serodiagnosis of human bocavirus infectionKalle Kantola
Department of Virology, Haartman Institute, University of Helsinki, Finland
Clin Infect Dis 46:540-6. 2008..Moreover, nothing is known of HBoV immunity. We examined HBoV-specific systemic B cell responses and assessed their diagnostic use in young children with respiratory disease...
Use of an oligonucleotide array for laboratory diagnosis of bacteria responsible for acute upper respiratory infectionsStina B Roth
Mobidiag, Haartmaninkatu 8, FIN-00290 Helsinki, Finland
J Clin Microbiol 42:4268-74. 2004..These results provide a proof of concept for the diagnostic use of microarray technology based on broad-range topoisomerase gene amplification, followed by hybridization and specific detection of bacterial species...
Novel insertions of Bruton tyrosine kinase in patients with X-linked agammaglobulinemiaMichael P Okoh
Institute of Medical Technology, FIN-33014 University of Tampere, Finland
Hum Mutat 20:480-1. 2002..In the intron 4 there is a substitution of two bases. Carrier detection was performed in four families. In one case the mutation was found to be de novo...
[Empyema--increasingly common complication connected to pneumonia in children]Ville Peltola
Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN, USA
Duodecim 120:1771-7. 2004
Zanamivir prophylaxis: an effective strategy for the prevention of influenza types A and B within householdsArnold S Monto
School of Public Health, Department of Epidemiology, University of Michigan, Ann Arbor 48109, USA
J Infect Dis 186:1582-8. 2002..Zanamivir was well tolerated and was effective in preventing influenza types A and B within households where the index patient was not treated...
[Response to comments on adenoidectomy]Aino Ruohola
TYKS:n lastenklinikka, Turku
Duodecim 120:2936-7. 2004
Influenza vaccines in healthy childrenTerho Heikkinen
Lancet 365:2086-7; author reply 2087. 2005
[Is penicillin becoming old-fashioned?]Olli Ruuskanen
Duodecim 118:325-7. 2002
Editorial commentary: Respiratory viral infections in developing countries: common, severe, and unrecognizedVille Peltola
Clin Infect Dis 46:58-60. 2008
