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Erschienen in:
01.11.2013 | Pancreatic Tumors
Resolution of New-Onset Diabetes After Radical Pancreatic Resection Predicts Long-term Survival in Patients with Pancreatic Ductal Cell Adenocarcinoma
Erschienen in: Annals of Surgical Oncology | Ausgabe 12/2013
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Purpose
To demonstrate the effect of diabetes mellitus (DM) (stratified by long-term/new-onset presurgical diabetes, resolved/unresolved postsurgical diabetes) on prognosis for pancreatic ductal cell adenocarcinoma (PDAC) after radical resection.
Methods
One hundred ninety-nine patients who underwent radical resection for PDAC between 2007 and 2011 at Ruijin Hospital (Shanghai, China) were retrospectively analyzed. Clinical and pathologic characteristics, surgical and adjuvant chemotherapy related outcomes, disease-free survival (DFS), and postoperative survival were compared among patients with long-term (≥2 years)/new-onset (<2 years) presurgical diabetes and resolved/unresolved postsurgical diabetes. Univariate and multivariable analysis was performed to determine factors associated with DFS and overall survival (OS).
Results
Of 199 patients, 90 (44.7 %) had DM, 64 of which were new onset and 26 of which were long-standing. Resolution of DM after radical pancreatic resection was observed in 65 % (42 of 64) in the new-onset group, but in none of the long-standing group. Resolved new-onset DM patients had larger, well-differentiated tumors compared to patients with unresolved new-onset DM. Patients with long-standing DM had shorter postoperative DFS and OS than nondiabetic/new-onset DM, whereas postoperative resolved new-onset DM is associated with longer DFS and OS than unresolved DM. Morbidity was higher and postoperative hospital stay was longer in patients with new-onset DM compared with patients with long-standing DM and patients without DM. There was no difference in the adjuvant chemotherapy toxicity rate among patients with long-standing or new-onset DM and those without DM.
Conclusions
Different status of DM has different effects on outcome after resection for PDAC. Long-standing DM is related to progression of disease, whereas postsurgical resolved new-onset DM is a favorable prognostic factor.