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CORRESPONDENCE
Year : 2012  |  Volume : 136  |  Issue : 2  |  Page : 304

Aetiological agents of community acquired pneumonia


Sakarya Universty Faculty of Medicine, Department of Infectious Diseases & Clinical Microbiology, Sakarya Training & Research Hospital, Turkey

Date of Web Publication7-Sep-2012

Correspondence Address:
Oguz Karabay
Sakarya Universty Faculty of Medicine, Department of Infectious Diseases & Clinical Microbiology, Sakarya Training & Research Hospital
Turkey
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Source of Support: None, Conflict of Interest: None


PMID: 22960902

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How to cite this article:
Karabay O, Yahyaoglu M. Aetiological agents of community acquired pneumonia. Indian J Med Res 2012;136:304

How to cite this URL:
Karabay O, Yahyaoglu M. Aetiological agents of community acquired pneumonia. Indian J Med Res [serial online] 2012 [cited 2019 Aug 21];136:304. Available from: http://www.ijmr.org.in/text.asp?2012/136/2/304/100794

Sir,

The article of Asghar's et al[1] about bacterial pneumonia during Hajj. They reported that most common aetiological agents were Candida albicans (27.5%), Pseudomonas aeruginosa (20.9%) and Legionella pneumophila (14.3%) in their community acquired pneumonia (CAP) patients. We disagree with this information, because it is known that most common aetiological agents of CAP are Streptococcus pneumoniae, Haemophilus influenzae, Moroxella catarrhalis and atypical agents (Mycoplasma, Legionella, Chlamydia and viruses).

Defintive aetiologic diagnosis of CAP is still uncertain. In general, Pseudomanas spp. is expected in hospital acquired settings while Candida pneumonia in immunocompetent individuals is very rare in community acquired settings [3] . Many factors may be related with the high rate of Candida and Pseudomanas spp. isolations in their patients suspected to have pneumonia. Isolation of Candida from the respiratory tract is common [4] . Because of a reasonably high occurrence of yeasts colonizing the respiratory region, diagnosis of Candida pneumonia should not be made based on only clinical, bacteriological and radiographic findings. The diagnosis could be done with lung biopsy findings or mannan test for definitive diagnosis of Candida pneumonia.

Most of their Candida and Pseudomonas isolates may be respiratory tract colonizing microorganism. So, they should clarify as to how they differentiated the causative agents from the colonized microbial agents.

 
   References Top

1.Asghar AH, Ashshi AM, Azhar EI, Bukhari SZ, Zafar TA, Momenah AM. Profile of bacterial pneumonia during Hajj. Indian J Med Res 2011; 133 : 510-3.  Back to cited text no. 1
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2.Cillóniz C, Ewig S, Polverino E, Marcos MA, Espuinas C, Gabarrús A, et al. Microbial aetiology of community-acquired pneumonia and its relation to severity. Thorax 2011; 66 : 340.  Back to cited text no. 2
    
3.Chastre J, Fagon JY. Ventilator associated pneumonia. Am J Respir Crit Care Med 2012; 165 : 867-903.  Back to cited text no. 3
    
4.Donowitz GR, Mandell GL. Acutc pneumonia. In: Mandell GL, Bennett JE, Dolin R, editors. Mandell, douglas and bennett's principles and practice of infectious diseases, 6 th ed. Philadelphia: Elsevier; 2005. p. 819-45.  Back to cited text no. 4
    




 

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