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Sedation for gastrointestinal endoscopy. Analysis of tolerance and complications.

OBJECTIVE
To analyse tolerance and complications in patients undergoing a gastrointestinal endoscopy.


PATIENTS AND METHODS
One hundred forty three patients were prospectively studied: 44.8% underwent a diagnostic upper endoscopy; 13.3%, a therapeutic upper endoscopy; 37%, a diagnostic colonoscopy and 4.9%, a therapeutic colonoscopy. Midazolam or midazolam combined with meperidine were used. Tolerance, level of sedation and complications were studied. Chis quare and ratio comparison tests were used for the statistical analysis. P-values less than 0.05 were considered as statistically significant.


RESULTS
In the diagnostic upper endoscopy group, tolerance was better with midazolam plus meperidine vs midazolam only (83.8% and 59.3% respectively); p < 0.05. In the therapeutic upper endoscopy group, tolerance was also better when both drugs were combined; p < 0.05. In the diagnostic and therapeutic colonoscopy groups, tolerance was good in 63.5% and 85.7% of patients, respectively. Men had better tolerance for upper endoscopy; p < 0.05. Tolerance was worse in patients under 40 years of age for upper endoscopy; p < 0.05. Mild desaturation occur in 27.3% of patients, being more severe in therapeutic procedures; p < 0.05.


CONCLUSIONS
Tolerance was good in a high percentage of patients, and better in men and in patients older than 40 years of age. The main problem is desaturation, that increases in therapeutic procedures.