M Ceyhan

Summary

Affiliation: Hacettepe University
Country: Turkey

Publications

  1. pmc Elizabethkingia meningosepticum (Chryseobacterium meningosepticum) Infections in Children
    Mehmet Ceyhan
    Department of Pediatric Infectious Diseases, Hacettepe University Faculty of Medicine, 06100 Ankara, Turkey
    Int J Pediatr 2011:215237. 2011
  2. pmc The value of mean platelet volume in the determination of community acquired pneumonia in children
    Eda Karadağ-Oncel
    Hacettepe University Faculty of Medicine, Pediatric Infectious Disease Unit, Ankara, Turkey
    Ital J Pediatr 39:16. 2013
  3. pmc Acquisition of meningococcal serogroup W-135 carriage in Turkish Hajj pilgrims who had received the quadrivalent meningococcal polysaccharide vaccine
    M Ceyhan
    Hacettepe University Department of Pediatric Infectious Diseases, Ankara, Turkey
    Clin Vaccine Immunol 20:66-8. 2013
  4. doi request reprint Serosurveillance study on transmission of H5N1 virus during a 2006 avian influenza epidemic
    M Ceyhan
    Hacettepe University, Department of Pediatric Infectious Diseases, Ankara, Turkey
    Epidemiol Infect 138:1274-80. 2010
  5. doi request reprint Multicenter prospective study on the burden of rotavirus gastroenteritis in Turkey, 2005-2006: a hospital-based study
    Mehmet Ceyhan
    Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    J Infect Dis 200:S234-8. 2009
  6. doi request reprint Secondary attack rate of hepatitis A, varicella and mumps in household settings and reliability of family history to detect seronegative children for necessity of vaccination
    Mehmet Ceyhan
    Hacettepe University, Paediatric Infectious Diseases, Ankara, Turkey
    Scand J Infect Dis 41:501-6. 2009
  7. pmc Serotypes of Streptococcus pneumoniae isolates from children with invasive pneumococcal disease in Turkey: baseline evaluation of the introduction of the pneumococcal conjugate vaccine nationwide
    Mehmet Ceyhan
    Hacettepe University, Faculty of Medicine, Department of Pediatric Infectious Diseases, Sihhiye, 06100, Ankara, Turkey
    Clin Vaccine Immunol 18:1028-30. 2011
  8. doi request reprint Inappropriate antimicrobial use in Turkish pediatric hospitals: a multicenter point prevalence survey
    M Ceyhan
    Department of Pediatric Infectious Diseases, Hacettepe University, Medical School, Ankara, Turkey
    Int J Infect Dis 14:e55-61. 2010
  9. doi request reprint Differences in hepatitis A seroprevalence among geographical regions in Turkey: a need for regional vaccination recommendations
    M Ceyhan
    Department of Infectious Disease, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    J Viral Hepat 15:69-72. 2008
  10. ncbi request reprint Age-specific seroprevalence of serogroup C meningococcal serum bactericidal antibody activity and serogroup A, C, W135 and Y-specific IgG concentrations in the Turkish population during 2005
    Mehmet Ceyhan
    Department of Pediatric Infectious Diseases, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Vaccine 25:7233-7. 2007

Collaborators

Detail Information

Publications41

  1. pmc Elizabethkingia meningosepticum (Chryseobacterium meningosepticum) Infections in Children
    Mehmet Ceyhan
    Department of Pediatric Infectious Diseases, Hacettepe University Faculty of Medicine, 06100 Ankara, Turkey
    Int J Pediatr 2011:215237. 2011
    ..In this paper, we have reviewed the nosocomial outbreaks of C. meningosepticum in newborns and infants reported so far in the literature and overviewed the infection control interventions, treatment modalities, and prevention measures...
  2. pmc The value of mean platelet volume in the determination of community acquired pneumonia in children
    Eda Karadağ-Oncel
    Hacettepe University Faculty of Medicine, Pediatric Infectious Disease Unit, Ankara, Turkey
    Ital J Pediatr 39:16. 2013
    ..The aim of this study was to evaluate whether MPV could be used for the diagnostic tool of community-acquired pneumonia (CAP) and for making the decision for hospitalization...
  3. pmc Acquisition of meningococcal serogroup W-135 carriage in Turkish Hajj pilgrims who had received the quadrivalent meningococcal polysaccharide vaccine
    M Ceyhan
    Hacettepe University Department of Pediatric Infectious Diseases, Ankara, Turkey
    Clin Vaccine Immunol 20:66-8. 2013
    ....
  4. doi request reprint Serosurveillance study on transmission of H5N1 virus during a 2006 avian influenza epidemic
    M Ceyhan
    Hacettepe University, Department of Pediatric Infectious Diseases, Ankara, Turkey
    Epidemiol Infect 138:1274-80. 2010
    ..Further, the low rate of subclinical infection following contact with diseased poultry gave further support to the reported low infectivity of the virus...
  5. doi request reprint Multicenter prospective study on the burden of rotavirus gastroenteritis in Turkey, 2005-2006: a hospital-based study
    Mehmet Ceyhan
    Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    J Infect Dis 200:S234-8. 2009
    ..G1P[8] was the most widely prevalent strain (76% of strains), followed by G2P[4] (12.8%). G9P[8] was reported in samples from 3.9% of children. These data support the need for a rotavirus vaccine in Turkey...
  6. doi request reprint Secondary attack rate of hepatitis A, varicella and mumps in household settings and reliability of family history to detect seronegative children for necessity of vaccination
    Mehmet Ceyhan
    Hacettepe University, Paediatric Infectious Diseases, Ankara, Turkey
    Scand J Infect Dis 41:501-6. 2009
    ..2% for mumps. In conclusion, asymptomatic infections are important in the calculation of SARs in household contacts. PPV and NPV of medical history taken from parents might be useful when deciding the need for vaccination...
  7. pmc Serotypes of Streptococcus pneumoniae isolates from children with invasive pneumococcal disease in Turkey: baseline evaluation of the introduction of the pneumococcal conjugate vaccine nationwide
    Mehmet Ceyhan
    Hacettepe University, Faculty of Medicine, Department of Pediatric Infectious Diseases, Sihhiye, 06100, Ankara, Turkey
    Clin Vaccine Immunol 18:1028-30. 2011
    ..The most common serotypes were 19F and 6B. In children ≤2 years of age, the potential coverage rate of PCV7 was 69.5%. The most frequent non-PCV7 serotypes were 19A, 3, 1, 6A, and 8...
  8. doi request reprint Inappropriate antimicrobial use in Turkish pediatric hospitals: a multicenter point prevalence survey
    M Ceyhan
    Department of Pediatric Infectious Diseases, Hacettepe University, Medical School, Ankara, Turkey
    Int J Infect Dis 14:e55-61. 2010
    ..Accurate information on the usage of antimicrobials, including factors associated with and influencing their use, is valuable for improving the quality of prescription practices...
  9. doi request reprint Differences in hepatitis A seroprevalence among geographical regions in Turkey: a need for regional vaccination recommendations
    M Ceyhan
    Department of Infectious Disease, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    J Viral Hepat 15:69-72. 2008
    ..We conclude that the differences observed in HAV sero-positivity among various geographical regions in Turkey support a universal HAV immunization policy for children currently living in regions of intermediate endemicity...
  10. ncbi request reprint Age-specific seroprevalence of serogroup C meningococcal serum bactericidal antibody activity and serogroup A, C, W135 and Y-specific IgG concentrations in the Turkish population during 2005
    Mehmet Ceyhan
    Department of Pediatric Infectious Diseases, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Vaccine 25:7233-7. 2007
    ....
  11. doi request reprint A Chryseobacterium meningosepticum outbreak observed in 3 clusters involving both neonatal and non-neonatal pediatric patients
    Mehmet Ceyhan
    Infection Control Committee, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Am J Infect Control 36:453-7. 2008
    ..Wet and dry environmental surfaces and equipment may act as a source or play a role in disseminating the microorganism. Outbreaks may be controlled with strong emphasis on infection control measures...
  12. ncbi request reprint Mumps meningoencephalitis effect on hearing
    Guler Kanra
    Pediatric Infectious Disease Unit, Department of Pediatrics, Hacettepe University School of Medicine, Ankara, Turkey
    Pediatr Infect Dis J 21:1167-9. 2002
    ..05). These results show that mumps meningoencephalitis causes a higher risk of hearing loss than does mumps...
  13. doi request reprint Pneumococcal serotypes causing pediatric meningitis in Turkey: application of a new technology in the investigation of cases negative by conventional culture
    M Ceyhan
    Department of Pediatric Infectious Diseases, Hacettepe University, Medical School, 06100 Ankara, Turkey
    Eur J Clin Microbiol Infect Dis 29:289-93. 2010
    ....
  14. ncbi request reprint Serotypes and antibacterial susceptibility of pneumococci isolated from children with infections in Ankara in relation to proposed pneumococcal vaccine coverage
    G Kanra
    Department of Pediatric Infectious Diseases, Hacettepe University, School of Medicine, Ankara, Turkey
    Acta Paediatr Jpn 40:437-40. 1998
    ..Streptococcus pneumoniae is an important pathogen for both children and adults. Although there is an effective vaccine, it is not protective under 2 years of age and common serotypes differ from one location to another...
  15. ncbi request reprint Monotherapy with meropenem versus combination therapy with piperacillin plus amikacin as empiric therapy for neutropenic fever in children with lymphoma and solid tumors
    A Duzova
    Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 43:105-9. 2001
    ..No serious drug-related adverse event was noticed. Meropenem monotherapy was as effective as piperacillin plus amikacin combination in the empirical treatment of neutropenic fever in children with lymphoma and solid tumors...
  16. ncbi request reprint Immunogenicity and efficacy of one dose measles-mumps-rubella (MMR) vaccine at twelve months of age as compared to monovalent measles vaccination at nine months followed by MMR revaccination at fifteen months of age
    M Ceyhan
    Division of Pediatric Infectious Diseases, Hacettepe University School of Medicine, 06100, Ankara, Turkey
    Vaccine 19:4473-8. 2001
    ..All children had been followed for occurrence of measles infection for 60 months. Two vaccination schedules were compared for immunogenicity and protection rates...
  17. ncbi request reprint Clinical trial to evaluate immunogenicity and safety of inactivated hepatitis A vaccination starting at 2-month-old children
    G Kanra
    Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Turk J Pediatr 42:105-8. 2000
    ..96, p < 0.001) on admission. Hepatitis A vaccine showed no immunogenicity in infants with presence of maternal antibodies. Hepatitis A vaccine is safe but it should be used after the disappearance of maternal antibodies...
  18. ncbi request reprint First vancomycin-resistant blood isolate of Enterococcus faecium in a children's hospital and molecular analysis of the mechanism of resistance
    Belgin Altun
    Department of Internal Medicine, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 50:554-8. 2008
    ..faecium, and were also shown to carry the vanA gene. However, arbitrarily-primed-PCR and pulsed-field gel electrophoresis results could not confirm the source of the resistant strain nor did they suggest a clonal spread in the hospital...
  19. doi request reprint A prospective comparative study of the relationship between different types of ring and microbial hand colonization among pediatric intensive care unit nurses
    Inci Yildirim
    Hacettepe University Ihsan Dogramaci Children Hospital, Infection Control Unit, Sihhiye 06100, Ankara, Turkey
    Int J Nurs Stud 45:1572-6. 2008
    ..The aim of the study is to assess the effect of ring wearing and ring types on hand contamination and efficacy of alcohol-based hand disinfection among nurses working in intensive care settings...
  20. ncbi request reprint Outcome in children with purpura fulminans: report on 16 patients
    Aytemiz Gurgey
    Hacettepe University, Faculty of Medicine, Department of Pediatrics, Ankara, Turkey
    Am J Hematol 80:20-5. 2005
    ..It is also suggested that effective immunization programs and better health care have probably resulted in some changes in the etiological profile of PF...
  21. ncbi request reprint Frequency of pertussis in children with prolongued cough
    Inci Yildirim
    Department of Paediatric Infectious Diseases, Hacettepe University School of Medicine, 06100 Sihhiye, Ankara, Turkey
    Scand J Infect Dis 40:314-9. 2008
    ..Although the duration of cough is defined as longer than 21 d in some studies for pertussis case definition criteria, it was shorter than this in 3 of our cases...
  22. ncbi request reprint Secondary hemophagocytic lymphohistiocytosis in Turkish children
    Aytemiz Gurgey
    Pediatric Hematology, Department of Pediatrics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Pediatr Infect Dis J 24:1116-7. 2005
    ..5%), patient, respectively. Leishmaniasis was diagnosed in 2 patients (11%), and herpes simplex virus was diagnosed in 2 patients (11%). Six patients died during treatment, and 1 patient was lost to follow-up. The survival rate was 61%...
  23. ncbi request reprint Complementary findings in clinical and epidemiologic features of mumps and mumps meningoencephalitis in children without mumps vaccination
    Guler Kanra
    Department of Pediatrics, Pediatric Infectious Disease Unit, Hacettepe University School of Medicine, Ankara, Turkey
    Pediatr Int 46:663-8. 2004
    ..One of the major complication of mumps is meningoencephalitis, which although usually heals spontaneously, it may cause neurologic complications...
  24. ncbi request reprint Avian influenza A (H5N1) infection in eastern Turkey in 2006
    Ahmet Faik Oner
    Faculty of Medicine, Yuzuncu Yil University, Van, Turkey
    N Engl J Med 355:2179-85. 2006
    ..An outbreak of highly pathogenic avian influenza A (H5N1) that had previously been detected throughout Asia, with major economic and health repercussions, extended to eastern Turkey in late December 2005 and early January 2006...
  25. ncbi request reprint Determination and clinical correlation of markers of inflammation in unvaccinated patients with varicella-zoster infection
    E Karadağ Öncel
    Department of Pediatrics, Pediatric Infectious Disease Unit, and Department of Bioistatistics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
    Eur Rev Med Pharmacol Sci 17:2032-9. 2013
    ..TNF-alpha and IL-6 stimulate virus-specific immunoglobulin production and it has been postulated that determination of levels of these cytokines may be useful as a prognostic factor...
  26. ncbi request reprint Safety and immunogenicity of live attenuated varicella vaccine in 9-month-old children
    G Kanra
    Hacettepe University Faculty of Medicine, Pediatric Infectious Disease Unit, Ankara, Turkey
    Pediatr Int 42:674-7. 2000
    ..The present study was conducted to evaluate the safety and immunogenicity of live attenuated varicella vaccine (Oka-strain) in 9-month-old infants...
  27. ncbi request reprint Two booster dose hepatitis B virus vaccination in patients with leukemia
    S Yetgin
    Department of Pediatric Hematology, Hacettepe University, , 06100, Ankara, Turkey
    Leuk Res 25:647-9. 2001
    ..This study indicates that one third of the leukemic children undergoing maintenence chemotherapy responded to HB vaccine with protective titers of anti-HBs. We recommend HB vaccination especially in developing countries...
  28. ncbi request reprint Pediatric pleural effusions: etiological evaluation in 492 patients over 29 years
    G Eda Utine
    Division of Chest Diseases, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 51:214-9. 2009
    ..6% overall, with Staphylococcus aureus and Streptococcus pneumoniae being the two most common. Relative frequency of S. aureus decreased, whereas pneumococci and Haemophilus influenzae were more frequent in recent years...
  29. ncbi request reprint Comparison of nasopharyngeal culture, polymerase chain reaction (PCR) and serological test for diagnosis of pertussis
    Ali Bulent Cengiz
    Infectious Disease Unit, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 51:309-16. 2009
    ..pertussis obtained in both acute and convalescent sera--could be more sensitive than culture in the diagnosis of pertussis...
  30. doi request reprint Piperacillin/tazobactam plus amikacin versus carbapenem monotherapy as empirical treatment of febrile neutropenia in childhood hematological malignancies
    I Yildirim
    Department of Pediatric Infectious Diseases, Hacettepe University, Ankara, Turkey
    Pediatr Hematol Oncol 25:291-9. 2008
    ..05 for all categories). PTA was as effective as carbapenem monotherapy as an initial empirical regimen in febrile neutropenic episodes of pediatric hematological malignancies...
  31. ncbi request reprint Acute neck infections in children
    A Bulent Cengiz
    Section of Infectious Diseases, Department of Pediatrics, Hacettepe University, Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 46:153-8. 2004
    ..Since ultrasonographic evaluation of each patient has limited additional benefits in clinical management, it must be reserved for selected cases to document abscess formation...
  32. ncbi request reprint Community-acquired pneumonia and parapneumonic effusions in developing countries
    Gulten Secmeer
    Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 50:51-7. 2008
    ..Increase in the usage of specific viral serologic studies will probably lower the percentage of antibiotic usage and lower the costs of cultures...
  33. pmc A prospective study of etiology of childhood acute bacterial meningitis, Turkey
    Mehmet Ceyhan
    Hacettepe University, Ankara, Turkey
    Emerg Infect Dis 14:1089-96. 2008
    ..This study highlights the emergence of serogroup W-135 disease in Turkey and concludes that vaccines to prevent meningococcal disease in this region must provide reliable protection against this serogroup...
  34. ncbi request reprint Primary hemophagocytic lymphohistiocytosis in Turkish children
    A Gurgey
    Hacettepe University, Faculty of Medicine, Department of Pediatrics, Ihsan Dogramaci Children s Hospital, Ankara, Turkey
    Pediatr Hematol Oncol 20:367-71. 2003
    ..Four patients were diagnosed by postmortem examination. Elevated LDH levels were found in all patients tested. No significant differences for clinical and laboratory data were found between the two groups...
  35. ncbi request reprint Long-term effects of dexamethasone on hearing ability in children with pneumococcal meningitis
    Metehan Ozen
    Infectious Diseases Unit, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 50:23-9. 2008
    ..Even though adjuvant dexamethasone therapy had no statistically significant impact on hearing ability after long-term follow-up, its use may be a good choice in terms of preventing serious SNHI...
  36. ncbi request reprint Cefepime vs. Meropenem as empirical therapy for neutropenic fever in children with lymphoma and solid tumours
    Tezer Kutluk
    Department of Pediatric Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Pediatr Blood Cancer 42:284-6. 2004
  37. ncbi request reprint Comparison of the effect of benzathine penicillin G, clarithromycin, cefprozil and amoxicillin/clavulanate on the bacteriological response and throat flora in group A beta hemolytic streptococcal tonsillopharyngitis
    Inci Yildirim
    Unit of Infectious Disease, Department of Pediatrics, Hacettepe University, Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 50:120-5. 2008
    ..Overall, cefprozil seems to be advantageous in GABHS eradication by having less inhibitory effect on AHS...
  38. ncbi request reprint Risks and outcome of fungal infection in neutropenic children with hematologic diseases
    Selin Aytac
    Unit of Hematology, Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 52:121-5. 2010
    ..When the mortality rate was compared between the two treatment groups (amphotericin B vs fluconazole), mortality was significantly higher in patients receiving amphotericin B [n = 14 (93%) and n = 1 (7%), respectively]...
  39. ncbi request reprint Role of procalcitonin and CRP in differentiating a stable from a deteriorating clinical course in pediatric febrile neutropenia
    Gulten Secmeer
    Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    J Pediatr Hematol Oncol 29:107-11. 2007
    ..Hence, PCT might be helpful when deciding on initial therapy modification...
  40. ncbi request reprint Early congenital syphilis with isolated bone involvement: a case report
    Didem Armangil
    Department of Pediatrics, Hacettepe University Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 51:169-71. 2009
    ..To our best knowledge, there are only a few case reports presented with isolated bone involvement. This case demonstrates that congenital syphilis should be considered in neonates with bone fractures, lytic bone lesions and periostitis...
  41. ncbi request reprint Unusual sign of meningitis: acute globe vesicalis
    Aslinur Ozkaya-Parlakay
    Pediatric Infectious Diseases Unit, Hacettepe University, Faculty of Medicine, Ankara, Turkey
    Turk J Pediatr 52:203-5. 2010
    ....