Wos Açık Erişimli Yayınlar

Permanent URI for this collectionhttps://hdl.handle.net/11727/10754

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Author: search.filters.author.Aliskan, Hikmet Edasearch.filters.applied.f.language: search.filters.language.eng

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    Tunnelled Central Venous Catheter-Related Problems in the Early Phase of Haematopoietic Stem Cell Transplantation and Effects on Transplant Outcome
    (2015) Yeral, Mahmut; Boga, Can; Oguzkurt, Levent; Aliskan, Hikmet Eda; Ozdogu, Hakan; Demiroglu, Yusuf Ziya; 25805675
    Objective: Haematopoietic stem cell recipients need central venous catheters (CVCs) for easy administration of intravenous fluid, medications, apheresis, or dialysis procedures. However, CVCs may lead to infectious or non-infectious complications such as thrombosis. The effect of these complications on transplantation outcome is not clear. This manuscript presents the complication rates of double-lumen tunnelled CVCs and their effect on transplantation outcome. Materials and Methods: Data from 111 consecutive patients, of whom 75 received autologous and 36 received allogeneic peripheral blood stem cell transplantations, were collected retrospectively. The data were validated by the Record Inspection Group of the related JACIE-accredited transplantation centre. Results: Thrombosis developed in 2.7% of recipients (0.9 per 1000 catheter days). Catheter-related infection was identified in 14 (12.6%) patients (3.6 per 1000 catheter days). Coagulase-negative Staphylococcus was the most common causative agent. Engraftment time, rate of 100-day mortality, and development of grade II-IV graft-versus-host disease were not found to be associated with catheter-related complications. Conclusion: These results indicate that adverse events related with tunnelled CVCs are manageable and have no negative effects on transplant outcome.
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    Comparison of B.melitensis and B.abortus Bacteremias with Respect to Diagnostic Laboratory Tests
    (2015) Aliskan, Hikmet Eda
    Aim: Brucellosis are most commonly caused by the Brucella species Brucella melitensis and Brucella abortus. This study was aimed to determine the differences in the routine diagnostic tests (serological tests and blood culture positivity) that differentiate bacteremias caused by B. melitensis and B. abortus. Material and Method: This study included a total of 42 patients from whose blood cultures Brucella sp. were isolated between January 2010 and April 2014. A 8-10 ml blood sample was put into BACTEC plus/Aerobic F culture bottles after being drawn from patients (n: 42) with suspected brucellosis. The obtained samples were incubated in BACTEC 9240 device (BD Diagnostic, Maryland, USA) for 21 days. Sera of the blood samples taken simultaneously with the blood culture were studied with the Rose Bengal and Standard Tube Agglutination (STA) tests. Results: In patients with acute brucellosis, B. melitensis and B. abortus species showed no significant differences with respect to time to positive signal in blood cultures (for hours p= 0.850; for days p= 0.696) and the mean time to positivity. The earliest signal in the device was delivered at day 2., 44th hour and the latest at day 6., 123rd hour. No significant difference was noted between the two species with respect to the mean time to positivity. Discussion: This study did not show any significant differences between B. melitensis (n=22) and B. abortus (n=20) bacteremias with respect to age, sex, time to blood culture positivity, and STA test titer level.
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    Listeriosis in a Patient Undergoing Hemodialysis: A Case Report and Review of the Literature
    (2017) Tekkarismaz, Nihan; Ozelsancak, Ruya; Torun, Dilek; Aliskan, Hikmet Eda; 0000-0001-7631-7395; 0000-0001-9060-3195; 0000-0002-0788-8319; 0000-0002-6267-3695; AAD-9088-2021; AAE-2282-2021; AAD-5716-2021; AAD-9111-2021
    Listeria monocytogenes (L. monocytogenes) infection is an uncommon manifestation in patients with chronic renal failure. In this article, we present a case of L. monocytogenes bacteremia in a patient undergoing hemodialysis. In addition, we are also present the listeriosis cases in hemodialysis patients reported so far in the literature. The patient was a 58-year-old man who was undergoing hemodialysis and had been admitted to hospital with fever. On the 5th day of admission, L. monocytogenes was detected in his blood cultures. He responded dramatically to ampicillin treatment. Listeriosis is a disease that requires careful microbiological laboratory examination. If the patient cultures are not analyzed carefully, the disease can be misdiagnosed. Only early diagnosis and adequate treatment can ensure a good prognosis.