Document Detail


Unsuspected pulmonary embolism identified using multidetector computed tomography in hospital outpatients.
MedLine Citation:
PMID:  20103414     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: To evaluate the incidence of unsuspected pulmonary embolism (PE) in an unselected population of outpatients undergoing contrast-enhanced multidetector computed tomography (MDCT) for indications other than the investigation of PE. MATERIALS AND METHODS: Outpatients undergoing CT of the chest over a 6-month period were retrospectively identified and images reviewed. Inpatients and patients undergoing unenhanced CT of the chest were excluded. Data, including referring specialty, patient age and sex, reasons for examination, level of embolism, image quality, and section thickness were recorded. Radiology reports were reviewed with respect to whether or not the embolism was noted at the time of initial reporting. RESULTS: Following exclusions 440 patients were reviewed (195 women and 245 men). PE was identified in 10 of the 440 patients, an incidence of 2.23%. One pulmonary embolus was in the main pulmonary artery, three were in lobar arteries, three in segmental arteries, and three in subsegmental arteries. Patients over the age of 60 years were more likely to have an embolism (9/300, 2.9%) compared with those under 60 years (1/140, 0.7%). Seven of the 10 positive examinations were carried out in patients who were known or later shown to have malignancy. Seven of the 10 emboli were reported at the time of initial reporting. CONCLUSION: The outpatient population has a significant incidence of unsuspected PE. PE should be actively sought when reporting examinations performed for alternative indications, particularly where cancer is a known or suspected diagnosis.
Authors:
C Farrell; M Jones; F Girvin; G Ritchie; J T Murchison
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Publication Detail:
Type:  Journal Article     Date:  2009-10-28
Journal Detail:
Title:  Clinical radiology     Volume:  65     ISSN:  1365-229X     ISO Abbreviation:  Clin Radiol     Publication Date:  2010 Jan 
Date Detail:
Created Date:  2010-01-27     Completed Date:  2010-03-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  1306016     Medline TA:  Clin Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  1-5     Citation Subset:  IM    
Copyright Information:
Copyright 2009 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.
Affiliation:
Department of Radiology, Royal Infirmary of Edinburgh, Edinburgh, UK.
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Distribution
Aged
Aged, 80 and over
Female
Humans
Image Interpretation, Computer-Assisted / methods
Incidental Findings
Male
Middle Aged
Outpatient Clinics, Hospital
Pulmonary Embolism / radiography*
Retrospective Studies
Tomography, X-Ray Computed / methods
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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