학술논문
Pulmonary Artery Diameter Measurement and Semiquantitative Visual Scoring with Q-SPECT-CT in Acute Pulmonary Embolism
ORIGINAL ARTICLE
perfusion single-photon emission computed tomography/computed tomography
ORIGINAL ARTICLE
perfusion single-photon emission computed tomography/computed tomography
Document Type
Report
Author
Source
Journal of the College of Physicians and Surgeons Pakistan. November 2023, Vol. 33 Issue 11, p1229, 6 p.
Subject
Language
English
ISSN
1022-386X
Abstract
INTRODUCTION Acute pulmonary embolism (APE) is a life-threatening and potentially fatal disease. The mortality rate of APE can be as high as 30% in untreated patients. (1) Chronic thromboembolic pulmonary [...]
Objective: To investigate whether pulmonary artery diameters obtained from lung perfusion single-photon emission computed tomography-computed tomography (SPECT-CT) images and semiquantitative visual scoring (SVS) could serve as predictors of chronic pulmonary thromboembolic disease (CPTED) in acute pulmonary embolism patients (APE). Study Design: Observational study. Place and Duration of the Study: Department of Nuclear Medicine, Samsun Provincial Health Directorate, Gazi State Hospital, Samsun, Turkey, from January 2016 to March 2021. Methodology: A total of 142 patients undergoing lung perfusion SPECT-CT were included in this study. Patients were classified as APE (+) (n=42) and APE (-) (n=100) based on laboratory and radiological findings, clinical diagnosis, and treatment protocol. Non-contrast CT images were used to determine the diameters (mm) of the main (MPA), right (RPA), and left (LPA) pulmonary arteries and the main pulmonary artery/aorta (PA/AO) ratio. All perfusion defects were scored using SVS for the PE (+) group. Seventeen patients with a diagnosis of CPTED were followed up. The scores and arterial diameters of recovered APE and follow-up patients were compared. Results: The mean diameters (mm) of MPA, RPA, and LPA and PA/AO ratio were 29.74[+ or -]5.51, 21.73[+ or -]4.11, 22.74[+ or -]4.16, and 0.83[+ or -]0.16 in the APE (+) group and 26.18[+ or -]4.99, 19.35[+ or -]3.84, 19.49[+ or -]4.15, and 0.77[+ or -]0.15 in the APE (-) group, respectively (p Conclusion: Assessment of pulmonary artery diameter and PA/AO ratio may indicate APE, but TD and RVD scores may be predictive factors for CPTED when included in the assessment along with MPA dilatation and PA/AO ratio. Key Words: Acute pulmonary embolism, Pulmonary artery diameter, Lung SPECT-CT, Chronic pulmonary thromboembolic disease, Semiquantitative visual scoring.
Objective: To investigate whether pulmonary artery diameters obtained from lung perfusion single-photon emission computed tomography-computed tomography (SPECT-CT) images and semiquantitative visual scoring (SVS) could serve as predictors of chronic pulmonary thromboembolic disease (CPTED) in acute pulmonary embolism patients (APE). Study Design: Observational study. Place and Duration of the Study: Department of Nuclear Medicine, Samsun Provincial Health Directorate, Gazi State Hospital, Samsun, Turkey, from January 2016 to March 2021. Methodology: A total of 142 patients undergoing lung perfusion SPECT-CT were included in this study. Patients were classified as APE (+) (n=42) and APE (-) (n=100) based on laboratory and radiological findings, clinical diagnosis, and treatment protocol. Non-contrast CT images were used to determine the diameters (mm) of the main (MPA), right (RPA), and left (LPA) pulmonary arteries and the main pulmonary artery/aorta (PA/AO) ratio. All perfusion defects were scored using SVS for the PE (+) group. Seventeen patients with a diagnosis of CPTED were followed up. The scores and arterial diameters of recovered APE and follow-up patients were compared. Results: The mean diameters (mm) of MPA, RPA, and LPA and PA/AO ratio were 29.74[+ or -]5.51, 21.73[+ or -]4.11, 22.74[+ or -]4.16, and 0.83[+ or -]0.16 in the APE (+) group and 26.18[+ or -]4.99, 19.35[+ or -]3.84, 19.49[+ or -]4.15, and 0.77[+ or -]0.15 in the APE (-) group, respectively (p Conclusion: Assessment of pulmonary artery diameter and PA/AO ratio may indicate APE, but TD and RVD scores may be predictive factors for CPTED when included in the assessment along with MPA dilatation and PA/AO ratio. Key Words: Acute pulmonary embolism, Pulmonary artery diameter, Lung SPECT-CT, Chronic pulmonary thromboembolic disease, Semiquantitative visual scoring.