Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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Author: search.filters.author.Haberal, MehmetSubject: search.filters.subject.Blood transfusion

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    Sensitization Status of Patients on the Deceased Donor Kidney Transplant Waiting List: A Single-Center Experience
    (2022) Erdogmus, Siyar; Celebi, Zeynep Kendi; Turgut, Didem; Sayin, Burak; Ozdemir, Fatma Nurhan; Colak, Turan; Haberal, Mehmet; 0000-0002-3462-7632; AAJ-8097-2021
    Objectives: This study aimed to analyze the features of patients on the deceased donor kidney transplant waiting list and risk factors associated with sensitization that affect panel reactive antibody status in our center. Methods: Patients' data were collected retrospectively. Panel reactive antibody screening and definition tests were studied for class I (A, B, and C) and class II (DR, DP, DQ) antigens with Luminex every 6 months. Patients with panel reactive antibody >5% and antibody strength >1000 median fluorescence intensity were considered panel reactive antibody-positive. Based on the panel reactive antibody status, the patients were divided into 2 groups: the panel reactive antibody-positive group and -negative group. Results: A total of 338 patients (60% male, mean age: 52.6 +/- 14.6 years) were included in the analysis. Panel reactive antibody positivity was detected in 117 (34.6) patients on the waiting list. Compared with the panel reactive antibody-negative patient group, the panel reactive antibody-positive patient group had higher rate of women and lower age (P <.001 and P <.001, respectively). The patients in the panel reactive antibody-positive group also had longer dialysis vintage (P =.027), higher rate of blood transfusion history (P <.001), organ transplant (P <.001), and higher number of blood transfusion (P <.001). Female gender (odd ratio:4.094, 95% CI:2.275-7.368, P <.001), history of blood transfusion (odds ratio:2.027, 95% CI:1.131-3.633, P =.018), and organ transplant (odds ratio:16.894, 95% CI:7.212-39.578, P <.001) were independent risk factors associated with panel reactive antibody positivity. Conclusion: Updates of the organ allocation system to consider sensitized patients and new strategies to expand the donor pool and donation rates are needed in Turkiye.
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    Immediate Tracheal Extubation After Pediatric Liver Transplantation
    (2021) Sahinturk, Helin; Ozdemirkan, Aycan; Yilmaz, Olcay; Zeyneloglu, Pinar; Torgay, Adnan; Pirat, Arash; Haberal, Mehmet; 0000-0002-3462-7632; 0000-0003-0159-4771; 30346263; AAJ-8097-2021; AAJ-1419-2021
    Objectives: We examined whether immediate tracheal extubation among pediatric liver transplant recipients was safe and feasible. Materials and Methods: We retrospectively analyzed medical records of pediatric liver transplant recipients at Baskent University Hospital from January 2012 to December 2017. We grouped children who were extubated in the operating room versus those extubated in the intensive care unit. Results: In our study group of 81 pediatric patients, median age was 4 years (range, 4 mo to 16 y) and 44 (54%) were male. Immediate tracheal extubation in the operating room was performed in 39 patients (48%). Children who remained intubated (n = 42) had more frequent massive hemorrhage (14% vs 0%; P = .015), received larger amounts of packed red blood cells (19.3 vs 10.2 mL/kg; P < .001), and had higher serum lactate levels (9.0 vs 6.9 mmol/L; P = .001) intraoperatively. All children with open abdomens postoperatively remained intubated (n = 7). Patients extubated in the operating room received less vasopressors (1 [3%] vs 12 [29%]; P = .002) and antibiotics (11 [28%] vs 22 [52%]; P = 0.041) and developed infections less frequently postoperatively (3.0 [8%] vs 15.0 [36%]; P = .003). Children extubated in the operating room had shorter mean stay in the intensive care unit (2.0 vs 4.5 days; P < .001). Hospital mortality was higher in children who remained intubated (12% vs 0%; P = .026). Conclusions: Immediate tracheal extubation was well tolerated in almost half of our patients and did not compromise their outcomes. Patients who remained intubated had longer intensive care unit stays and higher hospital mortalities. Therefore, we recommend immediate tracheal extubation in the operating room after pediatric liver transplant among those children without intraoperative requirements for massive blood transfusion, high-dose vasopressors, high serum lactate levels, and open abdomen.