Comparison of /sup 133/Xe single-breath and washout imaging in the scintigraphic diagnosis of pulmonary embolism
Conference
·
· Radiology; (United States)
OSTI ID:6786276
To compare the utility of /sup 133/Xe single-breath (SB) and prolonged washout (WO) imaging in the scintigraphic diagnosis of pulmonary embolism, ventilation and perfusion studies of 66 patients who had pulmonary angiography within 48 hours were reviewed. The single-breath-perfusion (SB-P) and washout-perfusion (WO-P) studies agreed in 59 of 66 patients (89%). Each of the seven patients with disparate interpretations had an SB-P interpretation with a high probability for pulmonary embolism and a WO-P reading of low probability, with /sup 133/Xe retention in areas which appeared normal on the SB image. Single-breath images with /sup 133/Xe are not suitable as the sole determinant of ventilation-perfusion (V-P) match or mismatch, especially when subsegmental perfusion defects are present. Prolonged washout imaging improves the specificity of V-P imaging in patients with suspected pulmonary embolism.
- Research Organization:
- Johns Hopkins Medical Institutions, Baltimore, MD
- OSTI ID:
- 6786276
- Conference Information:
- Journal Name: Radiology; (United States) Journal Volume: 137:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOMEDICAL RADIOGRAPHY
BLOOD VESSELS
BODY
CARDIOVASCULAR SYSTEM
CLEARANCE
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
EMBOLI
EVEN-ODD NUCLEI
EXCRETION
INHALATION
INTAKE
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LUNG CLEARANCE
LUNGS
MEDICINE
NUCLEAR MEDICINE
NUCLEI
ORGANS
PERFUSED ORGANS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIOLOGY
RESPIRATORY SYSTEM
SCINTISCANNING
XENON 133
XENON ISOTOPES
62 RADIOLOGY AND NUCLEAR MEDICINE
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOMEDICAL RADIOGRAPHY
BLOOD VESSELS
BODY
CARDIOVASCULAR SYSTEM
CLEARANCE
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
EMBOLI
EVEN-ODD NUCLEI
EXCRETION
INHALATION
INTAKE
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LUNG CLEARANCE
LUNGS
MEDICINE
NUCLEAR MEDICINE
NUCLEI
ORGANS
PERFUSED ORGANS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RADIOLOGY
RESPIRATORY SYSTEM
SCINTISCANNING
XENON 133
XENON ISOTOPES