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      Safety and efficacy of self-expanding removable metal esophageal stents during neoadjuvant chemotherapy for resectable esophageal cancer.

      Diseases of the esophagus : official journal of the International Society for Diseases of the Esophagus
      Wiley

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          Abstract

          Patients with esophageal cancer may present with dysphagia and weight loss. Resectable lesions require consideration of neoadjuvant chemotherapy, which improves survival but have side effects, which compound already poor intake. Prevention of malnutrition has historically required interventions such as surgical jejunostomy or percutaneous endoscopic gastrostomy, which carry associated morbidity. With established roles in palliation, self-expanding removable metal stents (SERMS) may provide an alternative intervention in resectable disease. We sought to evaluate outcomes from our unit's introduction of SERMS in dysphagic patients prior to esophagectomy. All dysphagic patients presenting with esophageal cancer and considered for curative surgery between April 2006 and November 2008 were offered preoperative treatment of dysphagia with SERMS during neoadjuvant chemotherapy. Baseline and preoperative outcomes assessed included dysphagia score and nutritional markers. Sixteen patients underwent esophageal stenting during neoadjuvant therapy of whom 7/16 (44%) were female with mean age 63 (53-76). In 12/16 (75%), tumors were located in the lower one third of the esophagus. There was a significant fall in mean dysphagia score from 2.5 (range 1-4) to 1.1 (range 0-3) immediately preoperatively. There was no significant change in serum albumin, weight, or body mass index. Stent-related morbidity occurred in 4/16 (25%) patients and stomach migration occurred in 7/16 (43.8%). All were resolved endoscopically and there was no stent-related mortality. Of 10/16 (62.5%) patients ultimately progressing to esophagectomy, 30-day mortality was 6.3%. Anastomotic leak occurred in one patient (10%) and R1 resection rate was 20%. SERMS are a safe and effective intervention in dysphagic patients undergoing neoadjuvant chemotherapy for esophageal cancer. Complications are minor and readily treatable with endoscopy. Objective parameters suggest nutritional status is maintained and symptoms are improved. SERMS do not appear to compromise resection.

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          Most cited references20

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          Surgical resection with or without preoperative chemotherapy in oesophageal cancer: a randomised controlled trial.

          (2002)
          The outlook for patients with oesophageal cancer undergoing surgical resection with curative intent is poor. We aimed to assess the effects of preoperative chemotherapy on survival, dysphagia, and performance status in this group of patients. 802 previously untreated patients with resectable oesophageal cancer of any cell type were randomly allocated either two 4-day cycles, 3 weeks apart, of cisplatin 80 mg/m(2) by infusion over 4 h plus fluorouracil 1000 mg/m(2) daily by continuous infusion for 4 days followed by surgical resection (CS group, n=400), or resection alone (S group, 402). Clinicians could choose to give preoperative radiotherapy to all their patients irrespective of randomisation. Primary outcome measure was survival time. Analysis was by intention to treat. No patients dropped out of the study. Resection was microscopically complete in 233 (60%) of 390 assessable CS patients and 215 (54%) of 397 S patients (p<0.0001). Postoperative complications were reported in 146 (41%) CS and 161 (42%) S patients. Overall survival was better in the CS group (hazard ratio 0.79; 95% CI 0.67-0.93; p=0.004). Median survival was 512 days (16.8 months) in the CS group compared with 405 days (13.3 months) in the S group (difference 107 days; 95% CI 30-196), and 2-year survival rates were 43% and 34% (difference 9%; 3-14). Two cycles of preoperative cisplatin and fluorouracil improve survival without additional serious adverse events in the treatment of patients with resectable oesophageal cancer.
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            A randomized controlled trial of preoperative oral supplementation with a specialized diet in patients with gastrointestinal cancer.

            Perioperative nutrition with specialized enteral diets improves outcome when compared with standard formulas. A post-hoc analysis suggested preoperative administration as the most important period. Thus, we designed a study to understand prospectively whether preoperative supplementation could be as efficacious as the perioperative approach and superior to a conventional treatment (no artificial nutrition) in reducing postoperative infections and length of hospital stay. A total of 305 patients with preoperative weight loss <10% and cancer of the gastrointestinal tract were randomized to receive the following: (1) oral supplementation for 5 days before surgery with 1 L/day of a formula enriched with arginine, omega-3 fatty acids, and RNA, with no nutritional support given after surgery (preoperative group, n = 102); (2) the same preoperative treatment plus postoperative jejunal infusion with the same enriched formula (perioperative group, n = 101); and (3) no artificial nutrition before and after surgery (conventional group; n = 102). The 3 groups were comparable for all baseline and surgical characteristics. Intention-to-treat analysis showed a 13.7% incidence of postoperative infections in the preoperative group, 15.8% in the perioperative group, and 30.4% in the conventional group (P = 0.006 vs. preoperative; P = 0.02 vs. perioperative). Length of hospital stay was 11.6 +/- 4.7 days in the preoperative group, 12.2 +/- 4.1 days in the perioperative group, and 14.0 +/- 7.7 days in the conventional group (P = 0.008 vs. preoperative and P = 0.03 vs. perioperative). Preoperative supplementation is as effective as perioperative administration in improving outcome. Both strategies seem superior to the conventional approach.
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              Baseline nutritional status is predictive of response to treatment and survival in patients treated by definitive chemoradiotherapy for a locally advanced esophageal cancer.

              To assess the impact of baseline nutritional status on treatment response and survival in nonmetastatic patients with a locally advanced esophageal cancer (LAEC) treated with definitive chemoradiotherapy (CRT). One hundred five patients with LAEC treated by definitive CRT were retrospectively included. The CRT regimen was based on an external radiotherapy (RT) delivered concomitantly to a cisplatin-based chemotherapy (CT). Patients were considered to have a complete response (CR) to CRT when no residual tumor was detected on CT scan and esophagoscopy performed 2 months after the end of CRT. Multivariate analysis of predictive factors of response to CRT and survival were performed using a logistic regression and a Cox model, respectively. Mean value of baseline nutritional parameters was significantly different between nonresponder (N = 42) and responder (N = 63) patients to CRT (weight loss 10%vs 5.8%, P= 0.0047; serum albumin level 35 g/L vs 38.7 g/L, P= 0.0004; BMI 22.8 kg/m2vs 25.2 kg/m2, P= 0.01). In multivariate analysis, serum albumin level > 35 g/L was the only independent predictive factor of CR to CRT (P= 0.009). Independent prognostic factors of survival were BMI > 18 kg/m2 (P= 0.003), dysphagia Atkinson score 50 Grays (Gy) (P < 0.0001) and CR to CRT (P < 0.0001). Survival was influenced by baseline nutritional status as well as dysphagia, dose of RT, and CR to CRT. Despite the retrospective design of the study, our results may provide the concept basis for performing a prospective nutritional intervention study in patients treated by definitive CRT for an esophageal cancer.
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                Author and article information

                Journal
                21595778
                10.1111/j.1442-2050.2011.01206.x

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