Pancreatoduodenectomy for chronic pancreatitis: anatomic selection criteria and subsequent long-term outcome analysis
- PMID: 9351711
- PMCID: PMC1191055
- DOI: 10.1097/00000658-199710000-00004
Pancreatoduodenectomy for chronic pancreatitis: anatomic selection criteria and subsequent long-term outcome analysis
Abstract
Objective: The authors sought to provide a framework through outcome analysis to evaluate operations directed toward the intractable abdominal pain of severe chronic pancreatitis centered in the pancreatic head. Pancreatoduodenectomy (PD) was used as an example.
Summary background data: Head resection for severe chronic pancreatitis is the treatment of choice for a ductal system in the head obliterated by severe disease when associated with intractable abdominal pain. To evaluate the effectiveness of promising head resection substitutes for PD, a framework is necessary to provide a reference standard (i.e., an outcome analysis) of PD.
Methods: Inclusion criteria were severe chronic pancreatitis centered in the pancreatic head, intractable abdominal pain, and a main pancreatic duct obstruction or stricture resulting in absent drainage into the duodenum from the uncinate process and adjacent pancreatic head areas or the entire gland. Since 1986, 57 consecutive cases with these criteria underwent PD (47 head only and 10 total pancreatectomy). Clinical and anatomic predictor variables were derived from the history, imaging studies, and pathologic examination. These variables then were tested for association with the following outcome events gathered during annual follow-up: pain relief, onset of diabetes, body weight maintenance, and peptic ulceration.
Results: Operative mortality was zero. In 57 patients with a mean follow-up of 42 months, the 5-year outcome event for survival was 93% and the onset of diabetes was 32%. All new cases of diabetes occurred more than 1 year after resection. In 43 cases > or =1 year postoperative with a mean follow-up of 55 months, all patients indicated significant pain relief and 76% were pain free. Pain relief was more common in patients with diabetes or in those patients with a pancreatic duct disruption. Death was more common in patients with diabetes. Weight maintenance was more common if preoperatively severe ductal changes were not present. Total pancreatectomy was associated with peptic ulceration.
Conclusions: Using selection criteria, the outcome analysis standardized anatomic and clinical variables as to how they were associated with the outcome events (calibrated the effects of the operation with each variable). In these selected patients, PD is safe and significantly relieves pain. Sequelae are from diabetes, provided total pancreatectomy is avoided.
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