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  • Title: A prospective comparison of laser therapy and intubation in endoscopic palliation for malignant dysphagia.
    Author: Loizou LA, Grigg D, Atkinson M, Robertson C, Bown SG.
    Journal: Gastroenterology; 1991 May; 100(5 Pt 1):1303-10. PubMed ID: 1707386.
    Abstract:
    There is little objective long-term follow-up comparing laser therapy with intubation for palliation of malignant dysphagia. In a prospective, nonrandomized two-center trial 43 patients treated with the neodymium:yttrium-aluminum-garnet laser were compared with 30 patients treated by endoscopic intubation; the two groups were comparable for mean age and tumor position, length, and histology. Dysphagia was graded from 0 to 4 (0, normal swallowing; 4, dysphagia for liquids). Pretreatment mean dysphagia grades were similar: laser-treated group, 2.9 (SD, 0.6); intubated group, 3.2 (SD, 0.55). For thoracic esophageal tumors, the percentage of patients achieving an improvement in dysphagia grade by greater than or equal to 1 grade initially and over the long term was similar (laser, 95% and 77%; intubation, 100% and 86%). For tumors crossing the cardia, intubation was significantly better (laser, 59% and 50%; intubation, 100% and 92%, respectively; P less than 0.001). In patients palliated over a long period, however, the mean dysphagia grade over the remainder of their mean dysphagia grade over the remainder of their lives (mean survival: laser, 6.1 months; intubation, 5.1 months) was better in the laser group (1.6 vs. 2.0; P less than 0.01); 33% of laser-treated and 11% of intubated patients could eat most or all solids (P less than 0.05). For long-term palliation, laser-treated patients required on average more procedures (4.6 vs. 1.4; P less than 0.05) and days in the hospital (14 vs. 9; P less than 0.05). The perforation rate was lower in the laser-treated group (2% vs. 13%; P less than 0.02); no treatment-related deaths occurred in either group. For individual patients, the best results are likely to be achieved when the two techniques are used in a complementary fashion in specialist centers.
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