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Background@#Bacteremia is a common complication in hematopoietic stem cell transplant (HSCT) recipients. Prophylactic fluoroquinolone is recommended and used in these individuals. Breakthrough infections can occur with fluoroquinolone-resistant strains.We aimed to identify the incidence, resistance, and risk factors for bacteremia in HSCT recipients receiving fluoroquinolone prophylaxis. @*Materials and Methods@#This retrospective study was performed on patients who received fluoroquinolone prophylaxis and underwent autologous and allogeneic HSCT between 2015 and 2019. The incidence of bacteremia, comorbidity, treatment, and invasive procedures was compared in these patients with and without bacteremia. @*Results@#There were 553 patients included in the study, 68 (12.3%) had bacteremia. The incidence of bacteremia is 8.2% of autologous HSCT recipients and 18.4% of allogeneic HSCT recipients. The significant risk factors associated with bacteremia were steroidusing (odds ratio [OR]:13.83, 95% confidence interval [CI]: 2.88 - 66.40), higher Charlson Comorbidity Index (CCI)-mean (OR: 1.57, 95% CI: 1.15 - 2.16), diabetes mellitus (OR: 4.29, 95% CI: 1.11 - 16.48) in autologous HSCT, steroid-using (OR: 6.84, 95% CI: 1.44 - 32.33), longer duration of neutropenia (OR: 1.05, 95% CI: 1.01 - 1.09) using central venous catheter (OR: 7.81, 95% CI: 1.00 - 61.23) in allogeneic HSCT. Seventy-three pathogens were isolated from a total of 68 bacteremia episodes. The most commonly occurring agents were Escherichia coli, Klebsiella pneumoniae and Enterococcus spp. Resistance to fluoroquinolones was 87.2%, 70.0% and 60.0% among these strains, respectively. @*Conclusion@#High CCI, diabetes mellitus, use of steroids and long-term neutropenia and use of central venous catheters were significantly associated with the breakthrough bacteremia in HSCT recipients receiving fluoroquinolone prophylaxis. Fluoroquinolone prophylaxis may reduce the incidence of bacteremia but may select strains resistant to fluoroquinolone.
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Background@#Fungal pneumonia is a common infectious complication of hematological cancer (HC) patients. In this retrospective study, the objective was set to identify the risk factors and outcome of fungal pneumonia in adult HC patients. @*Materials and Methods@#This retrospective study was conducted with adult (>16 years) HC patients from January 2017 and December 2018. @*Results@#During the study period, of 181 patients included 76 were diagnosed with fungal pneumonia. The most common HC was identified as acute myeloid leukaemia (40%). Of the participating patients, 52 (29%) were hematopoietic stem cell transplant (HSCT) recipients.The median age of patients with fungal pneumonia was significantly greater: 57 vs. 48 (odds ratio [OR]: 1.08) and they had longer hospitalization durations (OR: 1.14). Overall, 37 patients (20%) died, and 28-day mortality was significantly greater among patients with fungal pneumonia than without fungal pneumonia (33% vs. 11%). The most significant risk factors for mortality in fungal pneumonia were identified as need of intensive care unit (ICU) (OR: 191.2, P <0.001) and the need of vasopressor support (OR:81.6, P <0.012). ICU-mortality was (88%). @*Conclusion@#Fungal pneumonia is a lethal complication in HC patients. Intensive care need is the most important predictive factor for mortality.
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Background@#Fungal pneumonia is a common infectious complication of hematological cancer (HC) patients. In this retrospective study, the objective was set to identify the risk factors and outcome of fungal pneumonia in adult HC patients. @*Materials and Methods@#This retrospective study was conducted with adult (>16 years) HC patients from January 2017 and December 2018. @*Results@#During the study period, of 181 patients included 76 were diagnosed with fungal pneumonia. The most common HC was identified as acute myeloid leukaemia (40%). Of the participating patients, 52 (29%) were hematopoietic stem cell transplant (HSCT) recipients.The median age of patients with fungal pneumonia was significantly greater: 57 vs. 48 (odds ratio [OR]: 1.08) and they had longer hospitalization durations (OR: 1.14). Overall, 37 patients (20%) died, and 28-day mortality was significantly greater among patients with fungal pneumonia than without fungal pneumonia (33% vs. 11%). The most significant risk factors for mortality in fungal pneumonia were identified as need of intensive care unit (ICU) (OR: 191.2, P <0.001) and the need of vasopressor support (OR:81.6, P <0.012). ICU-mortality was (88%). @*Conclusion@#Fungal pneumonia is a lethal complication in HC patients. Intensive care need is the most important predictive factor for mortality.
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The aim of this study is to determine the risk factors for percutaneous and mucocutaneous exposures in healthcare workers [HCW] in one of the largest centers of a middle income country, Turkey. This study has a retrospective design. HCWs who presented between August 2011 and June 2013, with Occupational Exposures [OEs] [cases] and those without [controls] were included. Demographic information was collected from infection control committee documents. A questionnaire was used to ask the HCWs about their awareness of preventive measures. HCWs who work with intensive work loads such as those found in emergency departments or intensive care units have a higher risk of OEs. Having heavy workloads and hours increases the risk of percutaneous and mucocutaneous exposures. For that reason the most common occupation groups are nurses and cleaning staff who are at risk of OEs. Increasing work experience has reduced the frequency of OEs
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Microbiology laboratories play an important role in epidemiology and infection control programs. Within microbiology laboratories, molecular microbiology techniques have revolutionized the identification and surveillance of infectious diseases. The combination of excellent sensitivity, specificity, low contamination levels and speed has made molecular techniques appealing methods for the diagnosis of many infectious diseases. In a well-equipped microbiology laboratory, the facility designated for molecular techniques remains indiscrete. However, in most developing countries, poor infrastructure and laboratory mismanagement have precipitated hazardous consequences. The establishment of a molecular microbiology facility within a microbiology laboratory remains fragmented. A high-quality laboratory should include both conventional microbiology methods and molecular microbiology techniques for exceptional performance. Furthermore, it should include appropriate laboratory administration, a well-designed facility, laboratory procedure standardization, a waste management system, a code of practice, equipment installation and laboratory personnel training. This manuscript lays out fundamental issues that need to be addressed when establishing a molecular microbiology facility in developing countries