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  • Title: [Endoscopic drainage with polyethylene endoprosthesis of malignant obstructive jaundice].
    Author: Naranjo Rodríguez A, Puente Gutiérrez J, Hervás Molina A, de Dios Vega JF, Monrobel Lancho A, González Galilea A, Miño Fugarolas G.
    Journal: Gastroenterol Hepatol; 1999 Oct; 22(8):391-7. PubMed ID: 10592671.
    Abstract:
    AIM: To evaluate the efficacy and complications of endoscopic drainage of malignant obstructive jaundice with plastic endoprosthesis as well as to identify possible factors related with occlusion. PATIENTS AND METHODS: One-hundred and forty patients with malignant obstructive jaundice were retrospectively evaluated. The site of obstruction was proximal in 35 patients (25.0%), distal in 64 (45.7) and ampullary in 41 (29.3). Amsterdam or pigtail polyethylene prostheses of variable caliber and length were used. Drainage was preoperative in 41 patients and palliative in 99. Seventy-seven patients who underwent with palliative drainage were followed up long-term. RESULTS: Drainage was satisfactory in 132 patients (94.2%). Early morbidity was 10.7% (14/140) and early mortality related with the technique was 5% (7/140). Time free of obstruction was 4.6 +/- 1.0 months and in 47/77 (60%) the prostheses were still working at the end of follow-up. The actuarial rate of obstruction at 6 months was 42%, the majority (61%) occurring in the first 3 months. The median survival was 5.9 +/- 1.3 months. Of all the factors analyzed, greater permeability was found only in the ampullary tumors (p < 0.01) and in prostheses of caliber equal or superior to 10 French (p < 0.01). CONCLUSIONS: Endoscopic biliary drainage using plastic prostheses is satisfactory in the majority of patients with malignant jaundice. It has a low complication rate and provides acceptable palliation: the majority of patients do not require prostheses to be replaced and, when they becomes clogged, substitution usually solves the problem. Ampullary tumors and prostheses of higher caliber (> or = 10F) have been associated with greater permeability.
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