Browsing by Author "Gur Gungor, Sirel"

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    Ophthalmologic Examination and Echocardiography Should be the Essential Components of Candidemia Bundle
    (2023) Erol, Cigdem; Sari, Nuran; Yanik Yalcin, Tugba; Yesilkaya, Aysegul; Asena, Leyla; Gur Gungor, Sirel; Kurt Azap, Ozlem; 0000-0002-6848-203X; 0000-0001-5996-8639; 0000-0002-2535-2534; 0000-0001-6178-8362; 0000-0002-3171-8926; 0000-0002-3165-4520; 38633906; E-5914-2016; AAA-4708-2022; AAJ-1219-2021; AAD-5967-2021; AAK-4089-2021
    Objective: Candidemia is the most common form of invasive candidiasis, and it is associat-ed with end-organ involvement, prolonged hospitalization, increased mortality, and higher healthcare costs. Candidemia can lead to metastatic heart and ocular infections. This study aimed to define the incidence, characteristics, and mortality of candidemia episodes and compare the data with our center's previous results.Materials and Methods: In this single-center retrospective observational study, we enrolled 250 patients over 18 years diagnosed with candidemia between January 2015 and December 2020. We obtained patients' demographic, clinical, laboratory, and therapeutic data from medical records. An ophthalmologic examination and screening with echocardiography were carried out within the first week after candidemia diagnosis.Results: There were 275 candidemia episodes from 250 patients. The incidence of candidem-ia was 2.8/1000 admissions and 5.68/ 10,000 inpatient days, higher than our previous results (1.23/1000 and 3.29/10,000). The median age was 65 (interquartile range [IQR]=52-75) years. Malignancies were the most frequent comorbidity (50%). The most common type was Candida albicans (n=115, 41.8%). Candida glabrata (n=61, 22.2%) was common, particularly in surgical patients, patients with malignancy, and critically ill patients. There was Infectious disease consultation in 93.3% (257) episodes. The ophthalmoscopic examination was made in 145 episodes (52.7%), and ophthalmitis was detected in 16 (11.0%). Echocardiography was per-formed in 139 (50.5%) episodes; one case had an endocarditis diagnosis. The 30-day mortal-ity was 44.7% (n=123). Mortality rates in C. glabrata and Candida krusei infections were high-er (54.1% and 66.7). The factors related to mortality were intensive care unit requirement (p=0.0001), chronic liver disease (p=0.005), corticosteroid usage (p=0.0001), previous antibiotic usage (p=0.013), multiple antibiotic usage (p=0.020), and CVC related candidemia (p=0.010).Conclusion: Because of the life-threatening complications such as endocarditis, increased mortality rates, and higher healthcare costs, systematic and comprehensive candidemia bundle applications would be effective strategies for providing an effective antifungal stew-ardship program.
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    Peripapillary and Macular Vessel Density Measurement With Optical Coherence Tomography Angiography in Exfoliation Syndrome
    (2021) Gur Gungor, Sirel; Gokgoz, Gulsah; Sarigul Sezenoz, Almila; Ozturk, Caner Caner; Akman, Ahmet; 0000-0002-4837-7937; 0000-0002-7030-5454; 32976289; AAY-7932-2021; AAJ-4860-2021
    Precis: Although peripapillary retinal nerve fiber layer thickness (RNFLTs) and vessel density (VD) values were similar to healthy group, eyes with exfoliation syndrome had significantly lower superficial macular VDs and minimum ganglion cell analysis values. Purpose: To compare peripapillary and macular perfused capillary densities with optical coherence tomography angiography (OCT-A) between patients with eyes having exfoliation syndrome (XFS) and normal age-matched healthy controls. Patients and Methods: This cross-sectional study included patients diagnosed with XFS from December 2017 to January 2020 at the Glaucoma Department. Peripapillary and parafoveal superficial VDs were obtained using OCT-A. The RNFLTs and ganglion cell analysis values were compared. Results: Thirty-nine eyes of 39 XFS patients (26 women; mean age, 69.0 +/- 8.1 y) and 39 eyes of 39 healthy patients (25 women; mean age, 68.0 +/- 8.6 y) were enrolled. There were no statistically significant differences in sex or age distribution, central corneal thickness measurements, refractive errors, or intraocular pressures between both groups (all P>0.05). There were no statistically significant differences in the peripapillary VD or peripapillary RNFLT between XFS eyes and healthy eyes (P>0.05 for all). In the macular region, most superficial VD parameters were significantly reduced in the XFS group (P=0.02 for parafoveal VD, P=0.04 for both hemifields). While the average ganglion cell and internal plexiform layer (GCL+IPL) values were similar between groups (P=0.19), the minimum GCL+IPL value was lower in the XFS group than in the healthy group (P=0.03). Conclusion: Although structural test results, especially peripapillary RNFLT and mean GCL+IPL, were similar between the healthy and XFS groups, macular VD values were lower in XFS eyes. Our findings implicate microvascular damage can be the mechanism underlying XFS-related changes and indicate that it precedes significant structural damage.