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How necessary it is to perform a ventilation scan in patients with a history of COVID-19 to rule out pulmonary thromboembolism?
Asia Ocean J Nucl Med Biol
January 2025
Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
Objectives: This study evaluated the necessity of a ventilation scan in patients suspected of PE with a history of COVID-19 infection.
Methods: This was a cross-sectional study of patients with PCR-confirmed COVID-19 and suspected PE at a tertiary care hospital in 2020. They underwent ventilation/perfusion (V/Q) scintigraphy using single-photon emission computed tomography/computed tomography (SPECT/CT) and CT scans with or without contrast.
Diagnostic Efficacy of Ventilation-Perfusion Single Photo Emission Computed Tomography/Computed Tomography for Pulmonary Hypertension due to Fibrinous Mediastinitis.
Acad Radiol
December 2024
Department of Nuclear Medicine, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, China (F.X.Z., Y.C.C.). Electronic address:
Rationale And Objectives: Comprehensive data on the use of ventilation-perfusion single-photo emission computed tomography/computed tomography (V/Q SPECT/CT), an established diagnostic tool for chronic thromboembolic pulmonary hypertension, in identifying pulmonary hypertension secondary to fibrinous mediastinitis (PH-FM) is scarce. This study aimed to assess its diagnostic efficacy for PH-FM.
Materials And Methods: Patients with PH due to pulmonary artery stenosis were assessed using V/Q SPECT/CT, computed tomography pulmonary angiography (CTPA), and digital subtraction pulmonary angiography (PAG).
The Role of Lung Ventilation/Perfusion Scan in the Management of Chronic Thromboembolic Pulmonary Hypertension.
Nucl Med Mol Imaging
December 2024
Department of Nuclear Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-ro 43-gil, Songpa-gu, Seoul, Republic of Korea 05505.
Article Synopsis
- * The ventilation/perfusion (V/Q) scan is the best imaging method for detecting CTEPH because it is more sensitive than CT pulmonary angiography, though its results may differ from those seen in acute PE cases.
- * Recent advancements show that combining V/Q scans with SPECT or SPECT/CT improves diagnostic accuracy, which helps in early detection and better treatment outcomes for patients with CTEPH.
Comparison of 2D and 3D lung lobe quantification with Ventilation/Perfusion Ratio.
Nuklearmedizin
December 2024
Klinik für Nuklearmedizin, University Hospital Aachen, Aachen, Germany.
In this study, standard 2D lung lobe quantification is compared with two 3D lung lobe quantification software tools to investigate the clinical benefit of a 3D approach. The accuracy of 2D versus 3D lung lobe quantification is evaluated based on the calculated numerical ventilation-perfusion ratio (VQR) using a receiver operating curve (ROC) analysis.A study group of 50 consecutive patients underwent a planar lung scintigraphy (anterior/posterior) as well as ventilation/perfusion single photon emission computed tomography (SPECT/CT) to exclude acute pulmonary embolism.
View Article and Find Full Text PDFEnhanced Diagnostic Accuracy of Pulmonary Embolism: Integrating Low-Dose CT with V/Q SPECT.
Tomography
August 2024
Medical Diagnostic Imaging Department, College of Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates.
Objective: This study aimed to retrospectively assess the benefits of combining low-dose computed tomography (LDCT) with ventilation/perfusion single-photon emission computed tomography (V/Q SPECT) for the diagnosis of pulmonary embolism (PE).
Methods: A retrospective analysis was performed on 92 patients with suspected PE who underwent V/Q SPECT with ldCT (V/Q SPECT CT) between January 2020 and December 2022 at King Khalid Hospital Najran. Data were collected using the hospital's picture archiving and communication system.
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