Abstract
A review was made of 85 patients who received a second injection of chymopapain because of a recurrent disc herniation between 1980 and 1996. All patients were pretreated for 3 days with H1 and H2 receptor blockers. Immediate sensitivity reactions were not seen. Four Type 1 and one Type 2 reactions were seen after the the second injection. No other complications were seen. In this group of 85 patients, 66 patients received a second injection at the same level as primary treatment after a period of 57.1 months (range, 2-143 months). Two patients were lost to followup. Four patients had surgery, three with good results. Good results and no complications were seen in three patients who had a third chemonucleolysis because of another recurrence after 15, 40, and 56 months, respectively. The remaining 57 patients were interviewed after 64 months (range, 3-143 months). Using the Prolo scale, 51 patients were rated as having excellent or good results, and six patients were rated as having fair or poor results.
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