After successful screening the cases of cirrhosis of liver irrespective of the etiology who have non tumor portal vein thrombosis will be enrolled. The baseline parameter will be recorded and the patient will be randomized into either interventional (vagus nerve-preserving laparoscopic splenectomy and azygoportal disconnection) or control (conventional laparoscopic splenectomy and azygoportal disconnection) group. From postoperative day 3, all patients will receive 100 mg oral aspirin enteric-coated tablets (Bayer, Leverkusen, Germany) once daily for 1 year, low-molecular-weight heparin (CS Bio, Hebei, China) subcutaneously (4.100 IU/day) for 5 days, and 25 mg of oral dipyridamole (Henan Furen, Henan, China) thrice daily for 3 months. At months 3, 9, and 12 after operation, electron gastroscopy examination for delayed gastric emptying will be done for all patients. Postoperative complications of the digestive system (including diarrhea, epigastric fullness, bloating, nausea, and vomiting), liver and renal function, and body weight will be recorded at the seventh day, months 1, 3, 6, 9, and 12 after operation. Then one year monitoring will be done in the both groups as per the primary or secondary outcome.
This study aimed to evaluate whether vagus nerve-preserving laparoscopic splenectomy and azygoportal disconnection is effective and safe, and to determine whether a reduction in the incidence of postoperative complications of the digestive system improves postoperative quality of life compared with conventional laparoscopic splenectomy and azygoportal disconnection.