Даваа–Баасан 08:30–20:00 · Бямба 09:00–16:00
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    P.402: The role of complement C4 and Alt level for acute rejection after liver transplantation.
    Acute liver graft rejection is still a common complication after liver transplantation. Diagnosis of acute cellular rejection (ACR) requires a liver biopsy with attendant expense, and risk, especially for developing countries. Measurements of serum complement components C3 and C4 are useful in the diagnosis and monitoring of immune complex disease. The normal adult range of C4 is 20-50mg/dl. Low levels of C4 strongly suggest immune complex disease. The combination C4 and ALT levels are highly predictive of acute cellular rejection (ACR) in liver transplant recipients. A lowered concentration or the complete absence of C4 occurs in immunocomplex diseases, systemic lupus erythematosus (SLE), autoimmune thyroiditis and juvenile dermatomyositis. Patients and Methods: Our study has two groups, one group comprised 8 liver transplant recipients, who has predictive diagnosis of ACR. The other group comprised 8 liver transplant recipients, who has not prediction of ACR. Pathologist evaluated the ACR by Banff grading schema. Serum C4 was checked Cobas 6000/c501/ analyzer. Results: ACR patients had an average of C4 ≤ 0.22 gm/L test, ALT ≥ 124 IU/ml. The patients without ACR had an average of C4 ≥0.61 gm/L test, ALT ≤ 87 IU/ml. The ACR patients had done needle biopsy, which showed liver rejection.Conclusion: To detect serum C4 in blood is a relatively non-invasive, inexpensive, easy to measure and quick marker. Especially for developing countries like Mongolia, preliminary diagnosis of ACR, which revealed decreasing C4 and increasing ALT convenient to biopsy results. Organ Transplantation Team of Mongolia.
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    P.367: Outcomes of liver transplantation: A single-center experience. (First Central Hospital of Mongolia).
    Methods: This study was conducted in Transplantation Center of the First Central Hospital of Mongolia between September 2011 and May 2023 on a total 200 patients have undergone liver transplantation. Results: There were 105 female patients out of 200, age between 18 months to 62 years old, and the average MELD score was 15±5.5, length of hospital stay were 31±13.94. These transplants were for liver (living donor=189, deceased donor=11, pediatric=7). The most causes of liver transplantation were liver cirrhosis due to HBV/HDV (59.5%), hepatocellular carcinoma (22.5%), primary biliary cirrhosis (5%), and only HBV related cirrhosis, alcoholic cirrhosis. There were 23(11.5%) biliary complication, 17 (8.5%) acute cellular rejection, hepatic artery thrombosis 2 (1%), and 3 cases retransplanted. The five year survival was 87%. Conclusions: This study provides the process of liver transplantation in First Central Hospital of Mongolia, and these positive outcomes support LT as an important therapy for end-stage liver disease and early hepatocellular carcinomas. Introduction: Liver transplantation (LT) is a main treatment of end-stage liver disease. Specially developing country like Mongolia has high prevalence of HBV, HDV, and hepatocellular cancer. Liver transplant is the second-most common solid organ transplant procedure in Mongolia. This study aimed to evaluate the efficacy of liver transplantation in the First Central Hospital of Mongolia.