Fakülteler / Faculties

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Author: search.filters.author.Arslan, GulnazSubject: search.filters.subject.Pediatric

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    Anesthetic Management in Pediatric Orthotopic Liver Transplant For Fulminant Hepatic Failure and End-stage Liver Disease
    (2014) Camkiran, Aynur; Araz, Coskun; Balli, Sevgi Seyhan; Torgay, Adnan; Moray, Gokhan; Pirat, Arash; Arslan, Gulnaz; Haberal, Mehmet; https://orcid.org/0000-0003-1470-7501; https://orcid.org/0000-0002-4927-6660; https://orcid.org/0000-0002-6829-3300; https://orcid.org/0000-0003-2498-7287; https://orcid.org/0000-0002-3462-7632; 24635805; AAJ-4576-2021; AAJ-5221-2021; AAE-1041-2021; AAJ-8097-2021
    Objectives: We assessed the anesthetic management and short-term morbidity and mortality in pediatrics patients who underwent an orthotopic liver transplant for fulminant hepatic failure or end-stage liver disease in a university hospital. Material and Methods: We retrospectively analyzed the records of children who underwent orthotopic liver transplant from May 2002 to May 2012. Patients were categorized into 2 groups: group fulminant hepatic failure (n=22) and group end-stage liver disease (n=19). Perioperative data related to anesthetic management and intra-operative events were collected along with information related to postoperative course and survival to hospital discharge. Results: Mean age and weight for groups fulminant hepatic failure and end-stage liver disease were 8.6 +/- 2.7 years and 10.8 +/- 3.8 years (P= .04) and 29.2 +/- 11.9 kg and 33.7 +/- 16.9 kg (P= .46). There were no differences between the groups regarding length of anhepatic phase (65 +/- 21 min vs 73 +/- 18 min, P= .13) and operation time (9.1 +/- 1.6 h vs 9.5 +/- 1.8 h, P= .23). When compared with the patients in group fulminant hepatic failure, those in group end-stage liver disease more commonly had a Glasgow Coma score of 7 or less (32% vs 6%, P= .04). Compared with patients in group fulminant hepatic failure, those in group end-stage liver disease were more frequently extubated in the operating room (31.8% versus 89.5% P <.001). Postoperative duration of mechanical ventilation (2.78 +/- 4.02 d vs 2.85 +/- 10.21 d, P = .05), and the mortality rates at 1 year after orthotopic liver transplant (7.3% vs 0%, P = .09) were similar between the groups. Conclusions: During pediatric orthotopic liver transplant, those children with fulminant hepatic failure require more intraoperative fluids and more frequent perioperative mechanical ventilation than those with end-stage liver disease.
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    Large-for-Size Liver Transplant: A Single-Center Experience
    (2015) Akdur, Aydincan; Kirnap, Mahir; Ozcay, Figen; Sezgin, Atilla; Soy, Hatice Ebru Ayvazoglu; Yarbug, Feza Karakayali; Yildirim, Sedat; Moray, Gokhan; Arslan, Gulnaz; Haberal, Mehmet; 0000-0002-8726-3369; 0000-0002-5735-4315; 0000-0003-2498-7287; 0000-0002-3462-7632; 0000-0002-0993-9917; 0000-0002-5214-516X; 25894137; AAA-3068-2021; AAF-4610-2019; AAE-1041-2021; AAJ-8097-2021; AAH-9198-2019; AAC-5566-2019; ABG-5684-2020
    Objectives: The ideal ratio between liver transplant graft mass and recipient body weight is unknown, but the graft probably must weigh 0.8% to 2.0% recipient weight. When this ratio > 4%, there may be problems due to large-for-size transplant, especially in recipients < 10 kg. This condition is caused by discrepancy between the small abdominal cavity and large graft and is characterized by decreased blood supply to the liver graft and graft dysfunction. We evaluated our experience with large-for-size grafts. Materials and Methods: We retrospectively evaluated 377 orthotopic liver transplants that were performed from 2001-2014 in our center. We included 188 pediatric transplants in our study. Results: There were 58 patients < 10 kg who had living-donor living transplant with graft-to-body-weight ratio > 4%. In 2 patients, the abdomen was closed with a Bogota bag. In 5 patients, reoperation was performed due to vascular problems and abdominal hypertension, and the abdomen was closed with a Bogota bag. All Bogota bags were closed in 2 weeks. After closing the fascia, 10 patients had vascular problems that were diagnosed in the operating room by Doppler ultrasonography, and only the skin was closed without fascia closure. No graft loss occurred due to large-for-size transplant. There were 8 patients who died early after transplant (sepsis, 6 patients; brain death, 2 patients). There was no major donor morbidity or donor mortality. Conclusions: Large-for-size graft may cause abdominal compartment syndrome due to the small size of the recipient abdominal cavity, size discrepancies in vascular caliber, insufficient portal circulation, and disturbance of tissue oxygenation. Abdominal closure with a Bogota bag in these patients is safe and effective to avoid abdominal compartment syndrome. Early diagnosis by ultrasonography in the operating room after fascia closure and repeated ultrasonography at the clinic may help avoid graft loss.