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ORIGINAL ARTICLE
Year : 2018  |  Volume : 6  |  Issue : 1  |  Page : 13-17

ERIC-PCR genotyping of Acinetobacter baumannii isolated from different clinical specimens


1 Department of Microbiology, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
2 Department of Clinical Laboratory Science, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia

Correspondence Address:
Nasreldin Elhadi
Department of Clinical Laboratory Science, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, P. O. Box. 2435, Dammam 31441
Saudi Arabia
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DOI: 10.4103/sjmms.sjmms_138_16

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Background: Acinetobacter baumannii is a major cause of hospital care-acquired infections, and this bacterium poses a significant challenge to health care worldwide. At King Fahd Hospital of the University (KFHU), Al Khobar, Saudi Arabia, there had been a significant increase in the number of cases of A. baumannii infections. Objective: The objective of this study was to determine the clonal relationship between A. baumannii collected from different specimens of patients admitted to KFHU using the enterobacterial repetitive intergenic consensus–polymerase chain reaction (ERIC-PCR) fingerprinting method. Materials and Methods: A. baumannii strains were isolated from a total of 59 specimens from inpatients admitted to KFHU between January and September 2014. These specimens were mainly collected from wound, rectal and throat swabs and transtracheal aspiration. ERIC-PCR fingerprinting was used to determine the clonal relationship between the different isolated strains. Results: Using ERIC-PCR fingerprinting genotype analysis, 51 strains of A. baumannii were clustered into seven groups, while the remaining 8 were single strains. The genetic relatedness of A. baumannii isolated from admitted patients was high, indicating cross-transmission within the hospitalized patients. Conclusion: This study found that the increase in the incidence of A. baumannii in patients at KFHU was likely due to the spread of seven epidemic clones, thereby highlighting the need for intensifying the infection control measures to prevent nosocomial transmission of A. baumannii. These results also demonstrate that ERIC-PCR is a reliable and rapid method for studying the clonal similarity between A. baumannii isolated from different clinical specimens.


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