Bacterial Isolates in Slow Resolving Pneumonias
Background : To study the pattern of bacterial
isolates in slow resolving pneumonia (SRP) patients
Methods : In this prospective study patients
(n=121) fulfilling the criteria of slow resolving
pneumonia, having Age > 14 years and radiological
evidence of consolidation were included in the
study. Patients having Age > 65 < 14 years, not
giving consent for Invasive investigation,
nosocomial pneumonia, atypical pneumonia, fungal
and mycobacterial infections were excluded. All
patients were investigated with multiple view Chest
X-ray, sputum smear for Gram staining, ZN-staining,
cytology & culture sensitivity for pyogenic and
fungal infections. Fiber-optic Bronchoscopy and BAL
analysis was utilized. Contrast enhanced CT scan
was employed for accurate definition of the lesion.
Samples were sent for microbiological evaluation.
Result: Age group was 14-65 years with median age
53 years. One hundred and twenty one pyogenic
bacterial isolates were obtained. Gram negative
bacteria were 66.11% while gram positive bacteria
were 30.57 % and mixed growth were seen in 3.30%.
Conclusion : Gram negative etiology
predominates in SRP cases with pseudomonas at the
top followed by klebsiella.
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