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World Journal of Pharmaceutical
and Medical Research

An International Peer Reviewed Journal for Pharmaceutical and Medical Research and Technology
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
ISSN 2455-3301
IMPACT FACTOR: 4.639

ICV : 78.6

Abstract

DETECTION OF AMP C Β-LACTAMASE PRODUCING BACTERIA ISOLATED IN NEONATAL SEPSIS

Dr. Sara Mazhar, Dr. Madiha Rani and Dr. Maryam Zakir*

ABSTRACT

Objective: The objective of this study was to determine the occurrence and antimicrobial profile of AmpC ?- lactamase producing bacteria. Methods: The study was conducted at The DHQ teaching hospital Sargodha and Allied hospital faisalabad, Pakistan, during September 2016 to June 2017. A total number of 1,914 blood samples of suspected neonatal septicemia were processed. Isolates were identified using Gram’s staining, API 20E and API 20NE tests. Gram negative isolates were screened for AmpC ?-lactamase production against ceftazidime, cefotaxime and cefoxitin resistance and confirmed by inhibitor based method. Results: Total number of 54 (8.49%) Gram positive and 582 (91.5%) Gram negative bacteria were identified. Among Gram negative isolates 141 (22%) were AmpC producers and found to be 100% resistant to co-amoxiclav, cefoxitin, ceftazidime, cefotaxime, cefuroxime, cefixime, ceftriaxone, cefpodoxime, gentamicin, amikacin and aztreonam. Less resistance was observed against cefepime (30.4%), sulbactamcefoperazone (24.8%), piperacillin-tazobactam (10.6%), ciprofloxacin (20.5%) and meropenem (2.1%). All the isolates were found sensitive to imipenem. The patients harbored AmpC ?-lactamases were on various interventions in which intravenous line was noted among (51.1%), naso-gastric tube (37.6%), ambu bag (8.5%), endotracheal tube (3.5%), ventilator (2.1%) and surgery (0.7%). Conclusion: Extensive use of invasive procedures and third generation cephalosporins should be restricted to avoid the emergence of AmpC beta-lactamases in neonates.

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