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Medicina & Laboratorio

2017, Number 05-06

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Medicina & Laboratorio 2017; 23 (05-06)

Hygiene behaviors in the use of stethoscopes of students of a medicine program of the city of Tunja, Colombia

Torres-Ballesteros LA, Rodríguez-Sáenz AY, Mendieta-Vergara JA

Language: Spanish
References: 22
Page: 249-256
PDF size: 434.91 Kb.


ABSTRACT

Introduction: multiple investigations have shown that bacteria causing human infections colonize stethoscopes. However, the reasons why these instruments are contaminated have not been defined. Objective: To determine the hygiene behaviors that medicine students have in the use of stethoscopes. Materials and methods: 50 medicine students were selected to complete a questionnaire with closed questions, based on focus groups that allowed characterizing the intra and extrahospital behavior of the stethoscope use. In addition, each participant student was asked for his stethoscope in order to take samples of four parts of it, which were later culture on nutritive agar and characterized macroscopically and microscopically by Gram staining. Results: Of the 50 students, who completed the questionnaire, 48% have never cleaned the stethoscope, 24% cleaned it with antiseptic alcohol, and 2% cleaned before the patient’s evaluation. In 100% of the stethoscopes bacterial colonies were isolated, mainly Gram-positive cocci, been diaphragm the most contaminated part of this instrument. Conclusions: inadequate behaviors were determined in the intra- and extra-hospital stethoscope use, as well as lack of information for it adequate disinfection.


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