2015, Number 2
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Rev Hosp Jua Mex 2015; 82 (2)
Evaluación de la eficacia y tolerabilidad de tres esquemas de preparación de colon
Lezama-de-Luna JF, Manrique MA, Chávez-García MÁ, Pérez-Corona T, Gómez-Peña-Alfaro NS, Pérez-Valle E, Espino-Cortés H, Hernández-Velázquez NN
Language: Spanish
References: 40
Page: 96-104
PDF size: 192.47 Kb.
ABSTRACT
Introduction. Colonoscopy is the primary method for evaluating the colon, but its diagnostic and therapeutic
effectiveness depends on the degree of quality of the data. The characteristics that define a high quality colonoscopy
is the examination of the entire colon, and optimal cleaning of the endoscope withdrawal time of 6-10 minutes from
the cecum to the rectum.
Objective. Evaluate the effectiveness of the colonic preparation with three schemes for
colon preparation used in the Hospital Juárez de México.
Material and methods. Randomized comparative
clinical study. Whereas a total number of 800 annual colonoscopies and estimating a margin of error of 5%, with
a confidence level of 95% and a statistical power of 80% the number of patients in each group are 70 pati.
Randomized Comparative Clinical Study. Whereas a total number of 800 annual colonoscopies and estimating a
margin of error of 5%, with a confidence level of 95% and a statistical power of 80% the number of patients in each
group are 70 patients.
Results. In group A, the classification of quality of bowel cleansing was: Excellent 15%, good
50%, fair in 30%, poor 0%, 5% inadequate. Adequate bowel preparation in 68% of patients was obtained. In
group B: excellent 4%, good in 64%, fair in 28% and poor in 4%. Adequate bowel preparation in 68% of patients was obtained. In group C, the classification of the quality of bowel cleansing was: Excellent in any patient, good in
44%, moderate in 24%, poor in 16% and inadequate in 16% of patients. Adequate bowel preparation in 44% of
patients was obtained.
Conclusion. Polyethylene scheme combined with similar percentages presented prokinetic
colon cleansing properly regarding polietilenglicol conventional scheme, but with increased patient tolerability.
We conclude that it may be an option for those patients who can not tolerate the intake of large volumes of bowel
preparation.
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