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author:("marrab, Ted")
1.  Nontuberculous mycobacterial hypersensitivity pneumonitis related to a home shower: treatment and secondary prevention 
BMJ Case Reports  2011;2011:bcr0620114360.
A 57-year-old physician with increasing dyspnoea and hypoxaemia had a high-resolution CT scan of the chest, which disclosed diffuse pulmonary ground glass opacities, more pronounced in the upper lobes with minimal mediastinal lymphadenopathy. Transbronchial biopsy of the right middle and lower lobes was performed, demonstrating varying degrees of well circumscribed organising granulomatous pneumonitis thought to be most consistent with hypersensitivity to nontuberculous mycobacteria. Cultures of water obtained from the patient’s home shower were positive for Mycobacterium avium complex. The patient began substituting baths for showers, experiencing some gradual improvement of his symptoms. Subsequently, he installed point-of-use 0.2 micron membrane filters on his shower, and resumed regular showering after installation with continued symptomatic improvement. CT scans at 3 and 18 months revealed improvement and resolution, respectively. Four years later, he continues to shower in filtered home shower water and remains clinically well.
doi:10.1136/bcr.06.2011.4360
PMCID: PMC3149474  PMID: 22689847
2.  Utility of routine chest radiographs in a medical–surgical intensive care unit: a quality assurance survey 
Critical Care  2001;5(5):271-275.
Objective
To determine the utility of routine chest radiographs (CXRs) in clinical decision-making in the intensive care unit (ICU).
Design
A prospective evaluation of CXRs performed in the ICU for a period of 6 months. A questionnaire was completed for each CXR performed, addressing the indication for the radiograph, whether it changed the patient's management, and how it did so.
Setting
A 14-bed medical–surgical ICU in a university-affiliated, tertiary care hospital.
Patients
A total of 645 CXRs were analyzed in 97 medical patients and 205 CXRs were analyzed in 101 surgical patients.
Results
Of the 645 CXRs performed in the medical patients, 127 (19.7%) led to one or more management changes. In the 66 surgical patients with an ICU stay <48 hours, 15.4% of routine CXRs changed management. In 35 surgical patients with an ICU stay ≥ 48 hours, 26% of the 100 routine films changed management. In both the medical and surgical patients, the majority of changes were related to an adjustment of a medical device.
Conclusions
Routine CXRs have some value in guiding management decisions in the ICU. Daily CXRs may not, however, be necessary for all patients.
PMCID: PMC83854  PMID: 11737902
chest radiograph; intensive care unit; quality assurance; routine radiography

Results 1-2 (2)