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Revista Española de Enfermedades Digestivas
versión impresa ISSN 1130-0108
Resumen
GRILO-BENSUSAN, Israel; HERRERA-MARTIN, Pablo; JIMENEZ-MESA, Remedios y AGUADO-ALVAREZ, Valle. Prospective study of the factors associated with poor tolerance to ambulatory colonoscopy under conscious sedation. Rev. esp. enferm. dig. [online]. 2018, vol.110, n.4, pp.223-230. ISSN 1130-0108. https://dx.doi.org/10.17235/reed.2018.5287/2017.
Background:
conscious sedation with benzodiazepines and opiates for colonoscopy is a widespread clinical practice.
Objective:
to determine the patient's tolerance to colonoscopy and identify the factors associated with lower tolerance.
Methods:
a prospective, single-center, descriptive study of patients undergoing ambulatory colonoscopy under conscious sedation. The pain was assessed using a visual analogue scale with a score of 0 to 100 and also qualitatively.
Results:
three hundred patients with a median age of 54 years completed the study (p25-75: 45-64); 138 were men (46%). Tolerance was good in 273 cases (91%). The median value of tolerance was 13 (p25-p75: 4-33). Pain was considered as mild in 215 (71.7%), moderate in 57 (19%) and intense in 28 (9.3%). In the univariate study, greater pain was associated with females, anxiety, the indication for the procedure, the length of time and difficulty of the examination, and the doses of sedatives. In the multivariate study, both the indication (OR 2.92, 95% CI = 1.03-8.2, p < 0.05) and the difficulty of the examination (OR 4.68, 95% CI = 1.6-13.6, p < 0.01) were significant. Complications were found in 16 patients (5.3%), although all of them were insignificant.
Conclusions:
tolerance of patients undergoing ambulatory colonoscopy under conscious sedation is good in most cases and complications are infrequent and minor. A worse tolerance to the test is associated with women patients, individuals with anxiety prior to colonoscopy, indication, difficult and longer exploration and lower doses of sedatives.
Palabras clave : Colonoscopy; Tolerance; Benzodiazepines; Opiates; Sedation.