Microbiological Surveillance of Operation Theatres: Five Year Retrospective Analysis from a Tertiary Care Hospital in North India.

Introduction: Microbiological contamination of air and environment in the operation theaters (OTs) are major risk factor for surgical site and other hospital-associated infections.

Objectives: The aim was to identify bacterial colonization of surfaces and equipment and to determine the microbial contamination of air in the OTs of a tertiary care hospital.

Materials And Methods: Five years (January 2010-December 2014) retrospective analysis of the data obtained from routine microbiological surveillance of the five OTs of the hospital was done.