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Intralesional steroids augment the effects of endoscopic dilation in corrosive esophageal strictures

R Kochhar, J D Ray, P V Sriram, S Kumar, K Singh
Gastrointestinal Endoscopy 1999, 49 (4 Pt 1): 509-13

BACKGROUND: Intralesional corticosteroid injection has been shown to be effective in refractory esophageal strictures of various etiologies. The present study was conducted to determine the efficacy of intralesional triamcinolone in augmenting results of endoscopic dilation in corrosive esophageal strictures.

METHODS: Seventeen patients with corrosive esophageal strictures were treated with endoscopic dilation together with injection of triamcinolone acetonide into the stricture. Fourteen patients were already undergoing dilation; 3 patients were newly recruited. The interval between dilations and frequency of dilation were calculated before and after corticosteroid injections, and periodic dilation index was calculated as number of dilations/number of months.

RESULTS: The mean age of the 17 patients (8 men and 9 women) was 30+/-9.21 (range 13 to 52). Thirteen had strictures due to acid ingestion, four to alkali ingestion. There were 18 strictures in total, involving the upper (n = 2), middle (n = 10), and lower (n = 6) thirds of esophagus. Fourteen patients already on a dilation program had undergone 27.92+/-28.63 (range 6 to 92) dilations over a period of 22.92+/-30.73 months (range 2 to 96) before corticosteroid injections. Nine patients received a single injection of triamcinolone, whereas four each had two and three sessions. The dilation requirement after injections in these 14 patients was reduced to 3.57+/-2.90 (range 0 to 10) dilations over a period of 10.5+/-5.58 (range 4 to 21) months. The median total periodic dilation index irrespective of corticosteroid therapy was 0.33 (range 0.55 to 1.8). In 12 of the 14 patients, periodic dilation index before injections (range 0.91 to 3.0, median 1.67) was higher than the median total periodic dilation index and in all the 14 patients periodic dilation index after corticosteroid therapy (range 0 to 0.83, median 0.32) was less than the median of total periodic dilation index (p < 0.01). In addition three patients received intralesional corticosteroid injections at the time of first dilation. These three patients could be effectively dilated with 5, 3, and 3 dilations.

CONCLUSIONS: Intralesional triamcinolone injections augment the effects of endoscopic dilation in patients with corrosive esophageal strictures.


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