Bacteriological Profile and Antibiogram of Lower Respiratory Tract Infection (LRTI) in a Tertiary Teaching Hospital of Bangladesh

Introduction: Lower respiratory tract infection (LRTI) is one of the common infectious diseases in the world especially in the developing countries. This causes a large financial burden to healthcare system too. Methodology: This was a cross-sectional descriptive study to find out the infection patter and antibiogram of sputum of LRTI patients. Study place was Sylhet Women’s Medical College Hospital. Study period was 6 months. Sample size 684. Results: This positive samples were 60.4% of all the samples. Male and female percentage were 61.1% and 38.9% respectively. The age of the nearly half (49.56%) of the participants were 60 years or above. Commonest isolated Gram-positive bacteria was Staphylococcus aureus (37.87%) and commonest Gram-negative bacteria was Klbsiellaspp (23.39%). Commonest sensitive antibiotics were Piperacillin & Tazobactam (93.86%), Imipenem (93.71%) and Meropenem (90.64%). Conclusion: Use of proper antibiotic is essential to prevent antibiotic resistance. Institutional and regional antibiogram can help in decision making for selecting empirical antibiotic.