Research Topics
| M CeyhanSummaryAffiliation: Hacettepe University Country: Turkey Publications
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Detail Information
Publications
Acquisition of meningococcal serogroup W-135 carriage in Turkish Hajj pilgrims who had received the quadrivalent meningococcal polysaccharide vaccineM Ceyhan
Hacettepe University Department of Pediatric Infectious Diseases, Ankara, Turkey
Clin Vaccine Immunol 20:66-8. 2013....
A Chryseobacterium meningosepticum outbreak observed in 3 clusters involving both neonatal and non-neonatal pediatric patientsMehmet 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...
Differences in hepatitis A seroprevalence among geographical regions in Turkey: a need for regional vaccination recommendationsM 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...
Secondary attack rate of hepatitis A, varicella and mumps in household settings and reliability of family history to detect seronegative children for necessity of vaccinationMehmet 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...
Inappropriate antimicrobial use in Turkish pediatric hospitals: a multicenter point prevalence surveyM 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...
Multicenter prospective study on the burden of rotavirus gastroenteritis in Turkey, 2005-2006: a hospital-based studyMehmet 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...
Serosurveillance study on transmission of H5N1 virus during a 2006 avian influenza epidemicM 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...
Serotypes of Streptococcus pneumoniae isolates from children with invasive pneumococcal disease in Turkey: baseline evaluation of the introduction of the pneumococcal conjugate vaccine nationwideMehmet 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...
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 2005Mehmet Ceyhan
Department of Pediatric Infectious Diseases, Faculty of Medicine, Hacettepe University, Ankara, Turkey
Vaccine 25:7233-7. 2007....
Mumps meningoencephalitis effect on hearingGuler 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...
Serotypes and antibacterial susceptibility of pneumococci isolated from children with infections in Ankara in relation to proposed pneumococcal vaccine coverageG 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...
Monotherapy with meropenem versus combination therapy with piperacillin plus amikacin as empiric therapy for neutropenic fever in children with lymphoma and solid tumorsA 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...
Pneumococcal serotypes causing pediatric meningitis in Turkey: application of a new technology in the investigation of cases negative by conventional cultureM Ceyhan
Department of Pediatric Infectious Diseases, Hacettepe University, Medical School, 06100 Ankara, Turkey
Eur J Clin Microbiol Infect Dis 29:289-93. 2010....
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 ageM Ceyhan
Division of Pediatric Infectious Diseases, Hacettepe University School of Medicine, 06100, Ankara, Turkey
Vaccine 19:4473-8. 2001....
Clinical trial to evaluate immunogenicity and safety of inactivated hepatitis A vaccination starting at 2-month-old childrenG 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...
Outcome in children with purpura fulminans: report on 16 patientsAytemiz 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...
First vancomycin-resistant blood isolate of Enterococcus faecium in a children's hospital and molecular analysis of the mechanism of resistanceBelgin 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...
A prospective comparative study of the relationship between different types of ring and microbial hand colonization among pediatric intensive care unit nursesInci 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...
Complementary findings in clinical and epidemiologic features of mumps and mumps meningoencephalitis in children without mumps vaccinationGuler 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...
Secondary hemophagocytic lymphohistiocytosis in Turkish childrenAytemiz 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%...
Frequency of pertussis in children with prolongued coughInci 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...
Avian influenza A (H5N1) infection in eastern Turkey in 2006Ahmet 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...
Two booster dose hepatitis B virus vaccination in patients with leukemiaS 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...
Safety and immunogenicity of live attenuated varicella vaccine in 9-month-old childrenG 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...
Comparison of nasopharyngeal culture, polymerase chain reaction (PCR) and serological test for diagnosis of pertussisAli 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...
Pediatric pleural effusions: etiological evaluation in 492 patients over 29 yearsG 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...
Piperacillin/tazobactam plus amikacin versus carbapenem monotherapy as empirical treatment of febrile neutropenia in childhood hematological malignanciesI 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...
A prospective study of etiology of childhood acute bacterial meningitis, TurkeyMehmet 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...
Acute neck infections in childrenA 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...
Community-acquired pneumonia and parapneumonic effusions in developing countriesGulten 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...
Primary hemophagocytic lymphohistiocytosis in Turkish childrenA 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...
Early congenital syphilis with isolated bone involvement: a case reportDidem 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...
Long-term effects of dexamethasone on hearing ability in children with pneumococcal meningitisMetehan 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...
Cefepime vs. Meropenem as empirical therapy for neutropenic fever in children with lymphoma and solid tumoursTezer Kutluk
Department of Pediatric Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
Pediatr Blood Cancer 42:284-6. 2004
Risks and outcome of fungal infection in neutropenic children with hematologic diseasesSelin 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]...
Unusual sign of meningitis: acute globe vesicalisAslinur Ozkaya-Parlakay
Pediatric Infectious Diseases Unit, Hacettepe University, Faculty of Medicine, Ankara, Turkey
Turk J Pediatr 52:203-5. 2010....
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 tonsillopharyngitisInci 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...
Role of procalcitonin and CRP in differentiating a stable from a deteriorating clinical course in pediatric febrile neutropeniaGulten 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...
