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[Living donor liver transplantation for the treatment complicated hepatic cystic echinococcosis: first case report from China].

OBJECTIVE
To report the first clinical experience of living donor liver transplantation(LDLT) in patient with complicated hepatic cystic echinococcosis in China.


METHODS
First Affiliated Hospital of Xinjiang Medical University successfully implemented LDLT in the treatment of one patient with complicated hepatic cystic echinococcosis after four times liver surgery and secondary congestive cirrhosis on May 9, 2015. The clinical data of the patient has been retrospectively analyzed.


RESULTS
LDLT procedure was successfully performed in a patient with four previous liver intervention due to his recurrence. The patient was lack of right lobe, while with significant hypertrophy in left lobe. The reoccurred lesion compressed the retrohepatic vena cava, left hepatic vein, portal vein, that led to the stricture of retrohepatic vena cava, left hepatic vein orifice. The phlebography displayed remarkable stricture in retrohepatic vena cava and rich collateral circulation by which the venous blood flow back to the right atrium via paravertebral vein. The orifice of left hepatic vein shaped as hair-like so that the stenting was impossibly. After the multi-disciplinary team discussion, the liver transplantation was proposed, while the autotransplantation was considered as first line option, and with the backup of living related donor. The laparotomy showed the hugely enlarged liver with nodular changes. The frozen section was tested twice and showed as spotty necrosis with pseudo-lobe formation. Although the enlarged left lobe about 2 000 g weight, the liver colored as grey with cotton-like texture, the plan for autotransplantation was abandoned regarding the high risk for post-operative liver failure. Therefore, LDLT was performed. The donor was her brother who donated right lobe with 685 g weight. The operation time was 1 005 min with anhepatic time 335 min. Total of 12 units red blood cell suspension was transfused. The coagulating function was back to normal in 3 days after operation. The patient was discharged at 30 days after operation, while the routine blood test and biochemical markers had back to normal levels. The patient had taken tacrolimus and methylprednisolone with normal life. The liver functions of transplanted liver were normal in 90 days after surgery. The patient was able to self-activity and regular outpatient follow-up.


CONCLUSION
Hepatic CE is an infectious disease, and liver transplantation could be the last choice for complicated case, especially in combination with severe complications, like Budd-Chiari syndrome.