Background
Surgical debulking of primary neuroendocrine tumors (NETs) and hepatic resection of metastatic NET disease may each independently improve overall survival. However, evidence for combined primary site debulking and metastasectomy on survival and impact on short‐term perioperative outcomes is limited.
Methods
The 2014–2016 ACS‐NSQIP targeted hepatectomy database was queried for all patients undergoing liver resection for metastatic NET. Secondary procedure codes were evaluated for major concurrent operations. Multivariable analysis was performed to determine risk factors for 30‐day morbidity and mortality.
Results
A total of 472 patients were identified, of whom 153 (32.4%) underwent ≥1 additional concurrent major operation. The most common concurrent procedures were small bowel resection (14.6%), partial colectomy (8.9%), and radical lymphadenectomy (7.4%). Among all patients, overall 30‐day mortality and morbidity were 1.5% and 25.6%, respectively. Modifiable and treatment‐related factors associated with increased major postoperative morbidity risk included >10% weight loss within six months of surgery (p = 0.05), increasing number of hepatic lesions treated (p = 0.05), and biliary reconstruction (p = 0.001). No major concurrent procedure was associated with increased 30‐day morbidity (all p > 0.05).
Conclusions
Approximately one‐third of patients with stage IV NET underwent combined hepatic and multi‐organ resection. Although modifiable and treatment‐related factors predictive of perioperative morbidity were identified, performance of concurrent major procedures did not increase perioperative morbidity. These results support consideration of multi‐organ resection in carefully selected patients with metastatic NET.
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