Tıp Fakültesi / Faculty of Medicine

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Author: search.filters.author.Haberal, M.Subject: search.filters.subject.RECIPIENTS

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    MDCT Evaluation of Early Pulmonary Infection Types After Liver Transplantation
    (2015) Hekimoglu, K.; Tezcan, S.; Coskun, M.; Dogrul, M. I.; Moray, G.; Haberal, M.; 0000-0002-0805-0841; 0000-0003-2498-7287; 0000-0002-3462-7632; 0000-0001-5630-022X; 0000-0001-7204-3008; 25769594; AAD-9097-2021; AAE-1041-2021; AAJ-8097-2021; AAM-4120-2021
    Introduction. Opportunistic pulmonary infections frequently occur after liver transplantation, and affect mortality and morbidity significantly. The purpose of this study was to define the incidence, types, and imaging characteristics of pulmonary infections in liver transplant recipients with multidetector CT (MD CT) evaluation. Methods. Thirty-five adult transplant recipients diagnosed with a pulmonary infection within the first 45 days posttransplantation were reviewed retrospectively from March 2002 to December 2013. MDCT features were evaluated retrospectively by 2 radiologists in consensus. All diagnoses were made by sputum analysis, cultures, biopsies, and postmortem histopathologic evaluation. Results. Pneumococcus pneumonia was found in 7 patients. Five patients had nonspecific pneumonia, Candidiasis, Klebsiella, and Aspergillosis separately. S aureus pneumonia was detected in 2 patients and the other 2 patients had Escherichia coli pneumonia. Two patients had active tuberculosis and 1 patient had Acinetobacter pneumonia also. Four main MDCT patterns were identified: patchy infiltrations (10%), tree-in-bud pattern (9.5%), ground-glass opacity (8.5%), and nodules with halo sign (6%). One patient had a cavitary lesion owing to tuberculosis. Conclusion. Although the incidence of pulmonary complications in liver recipients was relatively low, mortality from serious infections was high. Care must be taken with pulmonary infectious complications in the posttransplant period. For any suspicious case, MDCT evaluation for specific patterns of early accurate diagnosis is very important.
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    Successful Renal Transplantation, Bone Mineral Densitometry, and Affecting Factors
    (2015) Canoz, M. B.; Yavuz, D.; Altunoglu, A.; Yavuz, R.; Colak, T.; Haberal, M.; 0000-0002-3462-7632; 0000-0002-4082-6320; 0000-0002-8372-7840; 26293056; AAJ-8097-2021; ABG-9980-2021; AAJ-8554-2021
    Background. Successful renal transplantation corrects many disorders of bone and mineral metabolism owing to the normalization of serum levels of calcium and phosphorus and restoration of calcitriol production. However, successful transplantation does not guarantee complete resolution of the pre-transplantation osteopathy. Methods. This study evaluated 100 patients who underwent successful renal transplantation. We determined the possible risk factors for osteoporosis among 72 male and 28 female renal transplant patients of mean age 32.3 +/- 10.0 years with 81% of them recipients of living-related grafts. Bone mineral densitometry (BMD) was performed in all patients before and >= 1 year after transplantation. Routine test results and demographic data were recorded. Results. At the time of transplantation 76% of the patients had osteoporosis or osteopeni and only 24% of them had normal BMD in 4 regions (femur neck, lumber, radius, and ultradistal). After transplantation, 70% of them had osteopororosis or osteopeni and 30% were normal. After renal transplantation, BMD scores increased (P > .05) although the diagnosis of the bone disease did not change (P < .05). Only preexisting osteodystrophy and smoking were found to be important risk factors for post-transplantation osteoporosis. Conclusions. After renal transplantation, BMD scores increased whereas the diagnosis of bone disease did not change statistically. We found that medical management of osteopenia/osteoporosis before transplantation and smoking habit are the main factors to prevent post-transplantation osteoporosis. Further long-term studies may be more helpful for evaluating the risk factors of post-transplantation osteoporosis.