Primary robot-assisted laparoscopic partial nephrectomy for hemorrhage secondary to angiomyolipoma: a retrospective study from a large tertiary hospital in China.
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With the continuous development of robot-assisted technology, Robot-assisted Laparoscopic Partial Nephrectomy (RALPN) has gradually become an optional method for the treatment of Hemorrhage secondary to angiomyolipoma (HSA). However, there are rare clinical reports of the primary RALPN for HSA. Therefore, this research aims to evaluate the efficacy and safety of primary RALPN for HSA. Fourteen patients(six males and eight females), aged 14-56 years, underwent primary RALPN for HSA and were retrospectively analyzed from 2015 to 2023. The initial blood routine examination revealed decreased hemoglobin in all patients, and Contrast-enhanced computed tomography (CT) indicated retroperitoneal hematoma. After correcting shock and electrolyte imbalance through fluid therapy and medical treatment, all primary RALPN procedures were performed with transabdominal access on the side of the Hemorrhage. After tumor resection and hematoma removal with a monopolar Curved Scissor, the absorbable barbed suture was performed for inner and outer running stitches, respectively. Patient demographic information, perioperative characteristics, and functional outcomes were collected and analyzed. The initial tumor size of fourteen patients ranged from 57 to 145 mm, and the RENAL ranged from 7 to 11. All of the HSA was controlled, and primary RALPN was successful. The operating time it was ranged from 105 to 265 min. Postoperatively, one patient exhibited chylous drainage (Clavien-Dindo II), and another patient developed pleural effusion (Clavien-Dindo III). No postoperative transfusion and Digital Subtraction Angiography (DSA) highly selective embolization of the bleeding vessel was needed. No patients developed urinoma or urinary fistula. Within the follow-up period, the overall complications were manageable. Primary RALPN is a safe and effective procedure for HSA, which may be considered an alternative to selective renal artery embolization.