Effectiveness of the Fecal Occult Blood Test for the Early Diagnosis of Colorectal Lesions

Introduction: Colorectal cancer is health problem because of its high incidence and high morbidity and mortality associated, so being implemented strategies for early detection or prevention.

Objective: To determine the effectiveness of occult blood test stool for early diagnosis of colorectal lesions.

Materials and Methods: A descriptive, retrospective and transversal study of 220 patients attending consultation coloproctology Hospital programAbel Santamaria Cuadradoprogram of Pinar del Rio for presumptive symptoms of colorectal disease in the period June / 2013 to June / 2015 was made, studied variables such as age, sex, medical history, presentation and symptoms at baseline, occult blood test stool, colonoscopy results and location of lesions.

Statistical Processing: descriptive statistics were used, percentage calculation was performed and sensitivity, specificity, positive and negative predictive value and efficacy index was calculated on the gold standard colonoscopy to determine the effectiveness of the test, the results were expressed in tables and shapes.

Results: It was determined that these injuries are more frequent in females and in patients older than 60 years, the tumor prior colon was the antecedent more found, change in bowel habits was the most frequent symptoms, colonoscopy is the fundamental review for positive diagnosis, the greater sensitivity and specificity of the test is to malignant lesions.

Conclusions: The blood test fecal occult employed, has a sensitivity and high specificity for colorectal cancer.