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Scintigraphic detection of pulmonary embolism in patients with obstructive pulmonary disease

Journal Article · · Radiology; (United States)
; ; ;
The 133Xe ventilation studies, 99mTc perfusion lung images, and pulmonary angiograms of 83 patients with obstructive pulmonary disease and suspected pulmonary emboli were reviewed. Each patient had ventilation abnormalities suggesting OPD and at least one region showing matched V-P abnormalities. All angiograms were obtained within 72 hours of the V-P study and were reviewed independently. The overall sensitivity of V-P imaging for PE in this population was 0.83 and its specificity was 0.92. False-negative interpretations occurred in three of the 16 patients who showed ventilation abnormalities in more than 50% of their lung fields. In the 67 patients with ventilation abnormalities in less than or equal to 50% of their lung fields the sensitivity and specificity for detecting PE were high, V-P imaging is a reliable method for detecting PE in patients with regions of V-P match, if the ventilation abnormalities are limited in extent.
OSTI ID:
5942630
Journal Information:
Radiology; (United States), Journal Name: Radiology; (United States) Vol. 138:3; ISSN RADLA
Country of Publication:
United States
Language:
English

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Related Subjects

550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
551001 -- Physiological Systems-- Tracer Techniques
59 BASIC BIOLOGICAL SCIENCES
62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BODY
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DIAGNOSTIC USES
DYNAMIC FUNCTION STUDIES
EMBOLI
EVALUATION
EVEN-ODD NUCLEI
HOURS LIVING RADIOISOTOPES
INHALATION
INTAKE
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LUNGS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RESPIRATORY SYSTEM
SCINTISCANNING
TECHNETIUM 99
TECHNETIUM ISOTOPES
USES
XENON 133
XENON ISOTOPES
YEARS LIVING RADIOISOTOPES