Bacterial contamination of medical equipment and surfaces in the main operating theater of Enugu State University Teaching Hospital

Ikenna K Ndu; Josephat M Chinawa; Chukwubuike K Emeka; Isaac N Asinobi; Uchenna Ekwochi; Obinna C Nduagubam; Joseph T Enebe; Awoere T Chinawa; Chukwunonso C Iheji; Ngozi N Onu; Thaddeus C Eze

doi:10.4103/ijmh.IJMH_17_21

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ORIGINAL ARTICLE

Year : 2022 \| Volume : 27 \| Issue : 2 \| Page : 164-168

Bacterial contamination of medical equipment and surfaces in the main operating theater of Enugu State University Teaching Hospital Ikenna K Ndu¹, Josephat M Chinawa², Chukwubuike K Emeka³, Isaac N Asinobi¹, Uchenna Ekwochi¹, Obinna C Nduagubam¹, Joseph T Enebe⁴, Awoere T Chinawa⁵, Chukwunonso C Iheji¹, Ngozi N Onu⁶, Thaddeus C Eze⁷ ¹ Department of Paediatrics, College of Medicine, Enugu State University of Science and Technology, Enugu, Enugu State, Nigeria ² Department of Paediatrics, College of Medicine, University of Nigeria Enugu, Enugu, Nigeria ³ Department of Surgery, College of Medicine, Enugu State University of Science and Technology, Enugu, Enugu State, Nigeria ⁴ Department of Obstetrics and Gynaecology, College of Medicine, Enugu State University of Science and Technology, Enugu, Enugu State, Nigeria ⁵ Department of Community Medicine, College of Medicine, Enugu State University of Science and Technology, Enugu, Enugu State, Nigeria ⁶ Department of Paediatrics, Enugu State University Teaching Hospital, Parklane, Enugu, Enugu State, Nigeria ⁷ Department of Surgery, Enugu State University Teaching Hospital, Parklane, Enugu, Enugu State, Nigeria Correspondence Address: Chukwunonso C Iheji Department of Paediatrics, Enugu State University Teaching Hospital, Parklane, PMB 1030, Enugu, Enugu State. Nigeria Source of Support: None, Conflict of Interest: None DOI: 10.4103/ijmh.IJMH_17_21

Background: Bacterial contamination of operating theaters is a major contributory factor to the high prevalence of post-operative nosocomial infections. The detection of changing trends of microbial counts and micro-flora is key to reducing microbial contamination and good antibiotic stewardship. Objective: The objective of this study was to identify bacterial colonization of surfaces and equipment in Enugu State University Teaching Hospital’s operating theater. It also aimed at determining the sensitivity patterns of the colonized surfaces. Materials and Methods: This cross-sectional study was conducted in the Main Theater of Enugu State University Teaching Hospital (ESUTH), Parklane, Enugu, Nigeria. Samples were collected from equipment, operating room surfaces, and cleaning solutions. Results: Out of 92 samples collected from various sites, bacterial growth was observed in 47 (51.1%) specimens. Coagulase-negative Staphylococcus (CoNS) was the most common isolate (36.2%), followed by Staphylococcus aureus (34%). Among S. aureus isolates, 43.8% were methicillin-resistant S. aureus (MRSA), and the remaining were methicillin-susceptible S. aureus (MSSA). There was high Gram-negative resistance to meropenem. All the Gram-negative isolates were susceptible to imipenem. Conclusion: CoNS and S. aureus were the commonest isolates. Increased efforts are needed to reduce the rate of healthcare-associated and surgical site infections in operating theaters.



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