Publications by authors named "Cay Ummuhan"

Purpose: Klebsiella pneumoniae is a significant cause of healthcare-associated infections, resulting in high morbidity and mortality rates due to limited treatment options. In this study, we aimed to evaluate the treatment outcomes and the safety of Ceftazidime-avibactam in infections caused by extensively drug-resistant or pandrug-resistant Klebsiella pneumoniae in pediatric patients.

Methods: This study included pediatric patients who received ceftazidime-avibactam treatment due to extensively drug-resistant or pandrug-resistant Klebsiella pneumoniae infections, monitored in the pediatric intensive care, neonatal intensive care, and pediatric wards of Cukurova University Faculty of Medicine between 2022 and 2023.

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Glanders is a rare zoonotic disease caused by (B. mallei). can cause pneumonia, abscesses, osteomyelitis in severe cases, sepsis, and even death in humans.

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Unlabelled: In recent years, the incidence and drug resistance of have increased. Our study aimed to determine the antifungal sensitivity of and the clinical and demographic characteristics of children with candidemia. Two hundred pediatric patients with candidemia were included in the study between 1 January 2010 and 1 August 2023.

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Objective: Congenital toxoplasmosis (CT) can have severe early and late sequelae in children. In this study, we aimed to evaluate the demographic, clinical, treatment characteristics of patients diagnosed with congenital infection and to highlight the long-term complications of the patients.

Methods: Patients with CT were included in this study who were followed between 2010 and 2022 in Cukurova University Medical Faculty Hospital.

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Background: The prevalence of community-acquired methicillin-resistant S. aureus (CA-MRSA) has been increasing worldwide. We aimed to investigate the prevalence of MRSA in community-acquired S.

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Article Synopsis
  • - Antibiotic-associated diarrhea is a common side effect of antimicrobial therapy, and a study was conducted to examine its prevalence among pediatric patients in a specific region.
  • - The study involved 758 pediatric patients who started oral antibiotics, revealing a 10.4% occurrence rate of diarrhea associated with antibiotic use, particularly higher with cephalosporins and in certain geographic areas of Turkey.
  • - The findings highlighted geographic differences in the rate of antibiotic-associated diarrhea, suggesting that while it's not extremely common, it can vary significantly based on location and type of antibiotic used.
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Aim: Cardiovascular involvement is common among children with multisystem inflammatory syndrome (MIS-C) and can cause shock and death. In this study, we evaluated the early and long-term cardiac effects of MIS-C.

Methods: In this observational cohort study, we included all children treated for MIS-C from October 2020 to November 2021 in the Department of Paediatric Infectious Disease at Cukurova University School of Medicine Hospital.

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Background: Enterococcal infections are increasingly common in hospitalized patients. Enterococcal meningitis/ventriculitis (EMV) is an extremely rare condition of enterococcal infections, occurring particularly in children. This study investigated the clinical and microbiological characteristics, predisposing factors, and prognosis in pediatric patients with EMV.

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Cystic echinococcosis is a parasitic disease caused by the Echinococcus tapeworm. The disease can often affect organs such as the liver and lungs, muscles, bones, kidneys, brain, and spleen. Spinal cystic echinococcosis has been reported very rarely in the literature.

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Article Synopsis
  • Protozoa of the genus Leishmania are intracellular parasites that cause different forms of leishmaniasis, with species leading to cutaneous or visceral symptoms.
  • The study aimed to analyze the link between clinical symptoms and molecular characteristics of Leishmania isolates in children with visceral leishmaniasis (VL) in Turkey.
  • Key findings included a high positivity rate for VL in diagnostic tests (93% via microscopy, 79.1% via rK39 test), and the most common symptoms were fever and splenomegaly, with significant complications like thrombocytopenia and hemophagocytic lymphohistiocytosis also observed.
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Aim: Echinococcosis with multi-organ/disseminated involvement is rare in childhood. We aimed to evaluate the clinical and laboratory characteristics and prognosis in paediatric patients with echinococcosis having multiorgan/disseminated involvement.

Method: We evaluated retrospectively children with echinococcosis with involvement of three or more organs.

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Background: Invasive Trichosporon infections are rarely seen opportunistic fungal infections in children and mainly affect immunocompromised patients. This multicenter retrospective study has rewieved the characteristics, risk factors, treatment modalities and outcomes of bloodstream infections caused by Trichosporon species in children diagnosed over the past ten years in Turkey.

Methods: The study was performed with the participation of 12 of 55 hospitals invited from Turkey.

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Background: Due to the lack of a standard case definifion and the diffuculty in estabilishing a definitive diagnsos, TB in children needs increasing attention by physicians caring for pediatric patients. Tuberculous meningitis (TBM) is the most serious form of extrapulmonary tuberculosis that is associated with significant morbidity and mortality rate in the pediatric age group, especially in infants. This descriptive study was conducted in an University hospital, at the South of Turkey, from May 1999 to May 2019.

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Meningococcal carriage studies and transmission modeling can predict IMD epidemiology and used to define invasive meningococcal disease (IMD) control strategies. In this multicenter study, we aimed to evaluate the prevalence of nasopharyngeal ( carriage, serogroup distribution, and related risk factors in Turkey. Nasopharyngeal samples were collected from a total of 1267 children and adolescents and were tested with rt-PCR.

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Hydatid cyst is a common zoonosis caused by larval forms of tapeworms called . The problem often occurs in the liver or lung. Cyst rupture and secondary bacterial infection are the most important complications of pulmonary hydatid cyst (PHC).

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Tularemia is a zoonotic infection caused by Francisella tularensis. Tularemia has several clinical form in humans, including ulceroglandular, pneumonic, oropharyngeal, oculoglandular, and systemic (typhoidal). Tularemia may develop granulomatous and suppurative lesions, especially in the affected regional lymph nodes and various organs.

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This is an observational epidemiological study to describe causes of bacterial meningitis among persons between 1 month and 18 y of age who are hospitalized with suspected bacterial meningitis in 7 Turkish regions. covering 32% of the entire population of Turkey. We present here the results from 2013 and 2014.

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