Takashi Kokumai1, Shuichi Aoki2, Masamichi Mizuma1, Shimpei Maeda1, Hideo Ohtsuka1, Kei Nakagawa1, Takanori Morikawa1, Fuyuhiko Motoi3, Takashi Kamei1, Michiaki Unno1. 1. Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan. 2. Department of Surgery, Tohoku University Graduate School of Medicine, 1-1, Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan. shuichi1124@surg.med.tohoku.ac.jp. 3. Department of Surgery, Yamagata University Graduate School of Medical Science, Yamagata, Japan.
Abstract
PURPOSE: To clarify the prognostic value of the preoperative nutrition status of patients undergoing conversion surgery (CS) for initially unresectable pancreatic adenocarcinoma (UR-PA). METHODS: The subjects of this retrospective study were 41 consecutive patients with initially UR-PA treated with chemo-/radiotherapy and subsequent CS between 2007 and 2014, at Tohoku University Hospital. The preoperative Glasgow Prognostic Score (GPS) was 0, conveying normal nutrition, in 25 patients (N group) and 1-2, conveying malnutrition, in 16 patients (M group). The clinicopathological factors influencing overall survival were defined by uni- and multivariate analyses. RESULTS: The M group had a significantly worse prognosis than the N group (median overall survival (mOS) 9.6 vs 40.7 months, p = 0.001). Multivariate analysis identified a GPS of 1-2 as an independent predictor of worse prognosis [hazard ratio (HR)3.437, p = 0.032], followed by CA19-9 elevation before CS (HR4.089, p = 0.012) and pathological lymph node metastases (HR2.314, p = 0.046). Patients who maintained a favorable nutritional status (GPS 0) during preoperative treatment had a significantly better prognosis, whereas those whose nutritional status deteriorated (elevated to GPS 1-2) had poorer survival (mOS 40.7 vs. 9.7 months, p = 0.003) CONCLUSION: Preoperative malnutrition status (GPS 1-2) is considered an independent predictor of a worse prognosis for patients undergoing CS for initially UR-PA.
PURPOSE: To clarify the prognostic value of the preoperative nutrition status of patients undergoing conversion surgery (CS) for initially unresectable pancreatic adenocarcinoma (UR-PA). METHODS: The subjects of this retrospective study were 41 consecutive patients with initially UR-PA treated with chemo-/radiotherapy and subsequent CS between 2007 and 2014, at Tohoku University Hospital. The preoperative Glasgow Prognostic Score (GPS) was 0, conveying normal nutrition, in 25 patients (N group) and 1-2, conveying malnutrition, in 16 patients (M group). The clinicopathological factors influencing overall survival were defined by uni- and multivariate analyses. RESULTS: The M group had a significantly worse prognosis than the N group (median overall survival (mOS) 9.6 vs 40.7 months, p = 0.001). Multivariate analysis identified a GPS of 1-2 as an independent predictor of worse prognosis [hazard ratio (HR)3.437, p = 0.032], followed by CA19-9 elevation before CS (HR4.089, p = 0.012) and pathological lymph node metastases (HR2.314, p = 0.046). Patients who maintained a favorable nutritional status (GPS 0) during preoperative treatment had a significantly better prognosis, whereas those whose nutritional status deteriorated (elevated to GPS 1-2) had poorer survival (mOS 40.7 vs. 9.7 months, p = 0.003) CONCLUSION: Preoperative malnutrition status (GPS 1-2) is considered an independent predictor of a worse prognosis for patients undergoing CS for initially UR-PA.
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