Acta radiologica (Stockholm, Sweden : 1987) · 2001
Self-expandable metal stents in the treatment of antro-pyloric and/or duodenal strictures.
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Profili S, Meloni G B, Bifulco V, Conti M, Feo C F, Canalis G C
Аннотация
PURPOSE: To assess the usefulness of self-expandable metal stents in the recanalization of antro-pyloric and/or duodenal strictures.
MATERIAL AND METHODS: We report our experience of 15 patients with inoperable antro-pyloric and/or duodenal strictures treated by implantation of 21 self-expandable metal stents (18 uncovered and 3 covered) inserted perorally under fluoroscopic guidance. The patients were 11 men and 4 women, mean age 65.3 years. Fourteen of 15 patients were affected by a malignant stricture of the antro-pyloric region and/or duodenum either primary or secondary in 10 and 4 cases, respectively. Only in 1 case there was a benign stricture from postoperative scarring. Stricture length and diameter varied from 3 to 9 cm (mean 5.4 cm) and from 0 to 4 mm (mean 1.27 mm), respectively.
RESULTS: Twenty-one stents were placed in 15 patients: Technical success was achieved in all cases while clinical improvement was obtained in 14 cases. No short-term complications were observed. A mean 4.3-month follow-up was obtained. Two patients had emesis secondary to peritoneal dissemination of the tumor after 1 and 2 months, respectively. Two other patients showed tumor overgrowth of the oral edge of the prosthesis after 3 and 2 months, respectively, and required another coaxial stent to bridge the new stenosis. The patient treated for a benign stricture had jaundice after 3 months and percutaneous internal-external biliary drainage was necessary.
CONCLUSION: Self-expandable metal stents are a safe and effective treatment of antro-pyloric and duodenal strictures; therefore, they should be considered an alternative to palliative resection in cases of advanced stage disease or poor general physical condition.
MATERIAL AND METHODS: We report our experience of 15 patients with inoperable antro-pyloric and/or duodenal strictures treated by implantation of 21 self-expandable metal stents (18 uncovered and 3 covered) inserted perorally under fluoroscopic guidance. The patients were 11 men and 4 women, mean age 65.3 years. Fourteen of 15 patients were affected by a malignant stricture of the antro-pyloric region and/or duodenum either primary or secondary in 10 and 4 cases, respectively. Only in 1 case there was a benign stricture from postoperative scarring. Stricture length and diameter varied from 3 to 9 cm (mean 5.4 cm) and from 0 to 4 mm (mean 1.27 mm), respectively.
RESULTS: Twenty-one stents were placed in 15 patients: Technical success was achieved in all cases while clinical improvement was obtained in 14 cases. No short-term complications were observed. A mean 4.3-month follow-up was obtained. Two patients had emesis secondary to peritoneal dissemination of the tumor after 1 and 2 months, respectively. Two other patients showed tumor overgrowth of the oral edge of the prosthesis after 3 and 2 months, respectively, and required another coaxial stent to bridge the new stenosis. The patient treated for a benign stricture had jaundice after 3 months and percutaneous internal-external biliary drainage was necessary.
CONCLUSION: Self-expandable metal stents are a safe and effective treatment of antro-pyloric and duodenal strictures; therefore, they should be considered an alternative to palliative resection in cases of advanced stage disease or poor general physical condition.