Hospital-Acquired Pneumonia in Patients Undergoing Coronary Artery Bypass Graft; Comparison of the Center for Disease Control Clinical Criteria With Physicians’ Judgment

AUTHORS

Mahboubeh Baghban 1 , Omalbanin Paknezhad 1 , Fardin Yousefshahi 2 , * , Keivan Gohari Moghadam 1 , Payvand Bina 1 , Saghar Samimi Sadeh 2

1 Internal Medicine Department, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran

2 Anesthesia and Critical Care Department, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran

How to Cite: Baghban M, Paknezhad O, Yousefshahi F, Gohari Moghadam K, Bina P, et al. Hospital-Acquired Pneumonia in Patients Undergoing Coronary Artery Bypass Graft; Comparison of the Center for Disease Control Clinical Criteria With Physicians’ Judgment, Anesth Pain Med. 2014 ; 4(3):e93362. doi: 10.5812/aapm.20733.

ARTICLE INFORMATION

Anesthesiology and Pain Medicine: 4 (3); e93362
Published Online: August 17, 2014
Article Type: Research Article
Received: May 11, 2019
Accepted: July 15, 2014
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Abstract

Background: Following coronary artery bypass graft (CABG), patients are at high risk (3.2%-8.3%) for developing hospital-acquired pneumonia (HAP) with mortality rate of 24% to 50%. Some of routine features in patients undergoing CABG are similar to clinical criteria of Center of Disease Control (CDC) for diagnosis of pneumonia. This may lead to over-diagnosis of pneumonia in these patients.

Objectives: This study aimed to assess the frequency of CDC criteria for diagnosis of pneumonia in patients undergoing CABG.

Patients and Methods: This study was performed on CABG candidates admitted to post cardiac surgery Intensive Care Unit (ICU) in a six-month period. Patient’s records, Chest-X-Ray, and Laboratory tests were assessed for PNU1-CDC criteria for HAP diagnosis. At the same time, a physician who was unaware of the study protocol assessed the clinical diagnosis. Then the results were compared with CDC criteria-based diagnosis.

Results: Of total 300 patients, 9 (3%) met CDC criteria for diagnosis of pneumonia while none of the cases were diagnosed as HAP according to the physicians’ clinical diagnosis. All nine patients were discharged with proper general condition and no need of antibiotic therapy. This study showed that loss of consciousness, tachypnea, dyspnea, PaO2 < 60 mm Hg, PaO2/FiO2 < 240, and local infiltration in 24 hours of operation were misleading features of CDC criteria, which were not considered in physicians’ clinical judgment to establish the diagnosis.

Conclusions: Our findings suggest that in Post-CABG patients, physicians could judge the occurrence of HAP more accurately in comparison to making the diagnosis based on CDC criteria alone. Expert physician may intentionally do not take some of these criteria into account according the patients’ course of disease. Therefore, it is suggested that the value of these criteria in special group of patients like those undergoing CABG should be re-evaluated.

Keywords

Hospital Infection Pneumonia Coronary Artery Bypass Graft

© 2014, Author(s). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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