気道・食道のステント治療 食道癌による食道狭窄のステント治療
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概要
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The purpose of this study was to evaluate the results of esophageal stents implanted in patients with inoperable esophageal carcinoma. From May 1984 to February 2000, 81 patients with inoperable carcinoma of the esophagus were treated by placement of 51 plastic prostheses and 30 metallic stents. The plastic prostheses consisted of 30 silicone stents, 19 polyurethane stents and 2 polyuronide stents in our series. Twenty-nine of the 30 patients treated with metallic stents were treated with Ultraflex (a self-expanding nitinol stent) and one case with Wallstent (a self-expanding stainless steel stent). The overall rate of palliation of dysphagia with the esophageal stents was 86% in our series. The rate of successful palliation for 31 cases with tracheoesophageal fistula was 90%. There were no differences between the plastic prosthesis group and metallic stent group in these rates. The overall median survival time after treatment with stent was 54 days. There was no difference between the stent groups in survival curves by the Kaplan-Meier method. Complaints of sore throat were much more common in the plastic prosthesis group than in the metallic stent group, and that was the only statistically difference between the two groups in terms of complications after the insertion of the stents (p < 0.05). This might have been due to the fact that the metallic stent was slimer than the plastic prosthesis at the insertion point.
- 特定非営利活動法人 日本気管食道科学会の論文
特定非営利活動法人 日本気管食道科学会 | 論文
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