Surgical endoscopy · 2012
Stent treatment of malignant gastric outlet obstruction: the effect on rate of gastric emptying, symptoms, and survival.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Larssen Lene, Hauge Truls, Medhus Asle W
Аннотация
BACKGROUND: Advanced pancreatic cancer and other malignancies located proximal to the small bowel might cause gastric outlet obstruction (GOO) resulting in nausea, vomiting, dehydration, and malnutrition. Self-expandable metal stents (SEMS) to a large extent have replaced surgical treatment, with gastro-entero-anastomosis as palliative treatment for GOO. The aim of the present study was to evaluate the effect of duodenal stenting on the rate of gastric emptying, symptoms, and survival.
METHODS: Patients with endoscopically verified malignant obstruction of the proximal duodenum were included. Gastric emptying rate was measured prior to and within 1 week after stent placement using a meal containing (13)C-octanoic acid as a marker. Symptoms related to GOO were assessed by the patients before and 2 weeks after stent treatment and during the gastric emptying tests. All patients were followed up until death.
RESULTS: In the patients included (n = 17), all studied variables of gastric emptying improved significantly following treatment, and a reduction in self-reported obstructive symptoms was observed. There was no correlation between survival and the rate of gastric emptying before or after, or the change in the rate of emptying.
CONCLUSION: The present study demonstrated that treatment with SEMS results in improved gastric emptying in most patients with GOO and a corresponding reduction in self-reported obstruction symptoms. However, survival and emptying were not related. The present findings provide further evidence that treatment with stents is an effective palliative treatment in patients with GOO.
METHODS: Patients with endoscopically verified malignant obstruction of the proximal duodenum were included. Gastric emptying rate was measured prior to and within 1 week after stent placement using a meal containing (13)C-octanoic acid as a marker. Symptoms related to GOO were assessed by the patients before and 2 weeks after stent treatment and during the gastric emptying tests. All patients were followed up until death.
RESULTS: In the patients included (n = 17), all studied variables of gastric emptying improved significantly following treatment, and a reduction in self-reported obstructive symptoms was observed. There was no correlation between survival and the rate of gastric emptying before or after, or the change in the rate of emptying.
CONCLUSION: The present study demonstrated that treatment with SEMS results in improved gastric emptying in most patients with GOO and a corresponding reduction in self-reported obstruction symptoms. However, survival and emptying were not related. The present findings provide further evidence that treatment with stents is an effective palliative treatment in patients with GOO.