Tıp Fakültesi / Faculty of Medicine

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Author: search.filters.author.Ocal, RuhsenSubject: search.filters.subject.Liver transplant

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    Neurologic Complications After Liver Transplant: Experience at a Single Center
    (2015) Derle, Eda; Kibaroglu, Seda; Ocal, Ruhsen; Kirnap, Mahir; Can, Ufuk; Benli, Sibel; Haberal, Mehmet; 0000-0003-2122-1016; 0000-0002-3964-268X; 0000-0001-8689-417X; 0000-0002-3462-7632; 0000-0002-9975-3170; 25894184; V-3553-2017; AAH-9198-2019; AAI-8830-2021; AAJ-2956-2021; AAJ-2999-2021; AAJ-8097-2021; AAJ-4403-2021
    Objectives: Neurologic complications occur frequently after liver transplants. Up to 43% of patients experience severe postsurgical neurologic complications. These complications are significantly associated with longer hospital stay, morbidity, and mortality. The aim of this retrospective study was to evaluate the type and incidence of neurologic complications after liver transplants in adult patients. Materials and Methods: We retrospectively evaluated the medical records of 176 adult patients who had undergone liver transplants between 1995 and 2013. We recorded the demographic data, type of neurologic complications, type, and level of immunosuppressive treatment, and cause of liver failure. Results: Our study sample consisted of 48 deceased-donor liver transplants and 128 living-donor transplants (n = 176). Fifty-three of the patients (30.1%) were female. The age range of the total sample was 18 to 66 years (mean age, 43.1 +/- 13.7 y). As immunosuppressive treatment, most patients received tacrolimus alone (52%) or tacrolimus combined with mycophenolate mofetil (33%). Neurologic complications occurred in 74 of the patients (42%). The most common neurologic complications were diffuse encephalopathy (22.2%) and seizure (14.2%). Other neurologic complications were posterior reversible encephalopathy (1.7%), peripheral neuropathy (1.7%), cerebrovascular disease (1.1%), and central nervous system infection (1.1%). Age, cause of liver failure, and type of transplant were not associated with occurrence of neurologic complications. Conclusions: There was a high incidence of neurologic complications after liver transplants. Diffuse encephalopathy and seizure were common complications. Physicians should be aware of the high risk of neurologic complications after liver transplants. Factors such as immunosuppressive toxicity and metabolic imbalance that predispose patients to neurologic complications after liver transplants should be evaluated immediately, and treatment of postoperative neurologic complications should be initiated as early as possible.
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    Seizure as a Neurologic Complication After Liver Transplant
    (2015) Derle, Eda; Kibaroglu, Seda; Ocal, Ruhsen; Kirnap, Mahir; Kilinc, Munire; Benli, Sibel; Haberal, Mehmet; 0000-0002-3462-7632; 0000-0001-7979-0276; 0000-0003-2122-1016; 0000-0002-3964-268X; 0000-0002-9975-3170; 25894183; AAJ-8097-2021; AAJ-8674-2021; AAI-8830-2021; AAJ-2956-2021; AAH-9198-2019; AAJ-4403-2021; V-3553-2017
    Objectives: Seizure is a common complication after liver transplant and has been reported to occur in up to 42% of patients in different case series. Multiple factors can trigger seizures, including immunosuppressive toxicity, sepsis, metabolic imbalance, and structural brain lesions. The aim of this retrospective study was to evaluate seizure types and associated factors in adult liver transplant patients. Materials and Methods: We retrospectively evaluated the medical records of 142 adult patients who received a liver transplant between 2005 and 2013. We recorded demographic data, immunosuppressive treatment, seizure type, cause, recurrence, and treatment. Results: Of the 146 patients, 23 (15.7%) had a seizure after the liver transplant. This group included 10 females and 13 males, with ages ranging between 18 and 63 (39.9 +/- 14.8 y). Generalized tonic-clonic seizures were the most common, occurring in 20 patients (87%). We observed complex partial seizure and status epilepticus in 1 and 2 patients. Immunosuppressive drug-related seizure occurred in 8 patients (34.8%) with normal drug blood levels, and all but 1 of these patients experienced seizure within the first week after transplant. Multiple factors (26.1%), metabolic imbalance (17.4%), structural lesion (13%), and sepsis (8.7%) were the other factors identified as underlying conditions. Conclusions; In conclusion, seizure occurred in a significant proportion of patients who underwent liver transplant. Immunosuppressive drugs were the most common factor associated with seizure occurrence and drug cessation prevented seizure recurrence.