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Is the optimal Tmax threshold identifying perfusion deficit volumes variable across MR perfusion software packages? A pilot study
PurposeAccurate quantification of ischemic core and ischemic penumbra is mandatory for late-presenting acute ischemic stroke. Substantial differences...
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Optical coherence tomography angiography suggests choriocapillaris perfusion deficit as etiology of acute macular neuroretinopathy
PurposeAcute macular neuroretinopathy (AMN) can cause sudden-onset and permanent scotoma in healthy young patients. Analysis of optical coherence...
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Assessment of perfusion deficit with early phases of [18F]PI-2620 tau-PET versus [18F]flutemetamol-amyloid-PET recordings
PurposeCharacteristic features of amyloid-PET (A), tau-PET (T), and FDG-PET (N) can serve for the A/T/N classification of neurodegenerative diseases....
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Delayed microsurgical revascularization in an acute ischemic stroke based on perfusion study
A 58-year-old patient presented with a severe neurological deficit due to a stroke caused by an occlusion of the left internal carotid artery siphon....
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Regional myocardial perfusion imaging in predicting vessel-related outcome: interplay between the perfusion results and angiographic findings
BackgroundDespite myocardial perfusion imaging (MPI) by cadmium-zinc-telluride (CZT) single-photon emission computed tomography (SPECT) camera is...
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Clinical outcome of a branch-first approach with a novel continuous whole-brain perfusion strategy for total arch surgery
BackgroundCerebral protection strategies have been investigated since the introduction of aortic arch surgery and have been modified over the...
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Radiomics Nomogram Derived from Gated Myocardial Perfusion SPECT for Identifying Ischemic Cardiomyopathy
Personalized management involving heart failure (HF) etiology is crucial for better prognoses. We aim to evaluate the utility of a radiomics nomogram...
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Unsupervised learning to characterize patients with known coronary artery disease undergoing myocardial perfusion imaging
PurposePatients with known coronary artery disease (CAD) comprise a heterogenous population with varied clinical and imaging characteristics....
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Combined evaluation of blood flow and tissue perfusion in diabetic feet by intra-arterial dynamic 4DCT imaging
Critical limb ischemia is associated with high mortality and major amputations. Intra-arterial digital subtraction angiography (IADSA) has been the...
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Role of arterial spin labeling magnetic resonance perfusion in acute ischemic stroke
BackgroundArterial spin labeling (ASL) is a recently used magnetic resonance imaging (MRI) perfusion technique in acute cerebrovascular stroke...
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Brain damage evaluation via arterial spin labeling perfusion imaging for patients with aneurysmal subarachnoid hemorrhage
ObjectiveSubarachnoid hemorrhage (SAH) is a neurological condition with an annual incidence of 6–22 per 100,000. Despite many advances in diagnosis,...
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Perfusion deficits may underlie lung and kidney injury in severe COVID-19 disease: insights from a multicenter international cohort study
BackgroundLung perfusion defects, mainly due to endothelial and coagulation activation, are a key contributor to COVID-19 respiratory failure....
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Low-flow perfusion technique for shaggy aortic arch
BackgroundThe most common complication of thoracic aortic disease with shaggy aorta is cerebral infarction. We have performed “low-flow perfusion” as...
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Brain perfusion SPECT in dementia: what radiologists should know
The findings of brain perfusion single-photon emission computed tomography (SPECT), which detects abnormalities often before changes manifest in...
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Cerebral perfusion is not impaired in persons with moderate obstructive sleep apnoea when awake
PurposeIt is well established that, together with a multitude of other adverse effects on health, severe obstructive sleep apnoea causes reduced...
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Brain abnormalities in children with attention-deficit/hyperactivity disorder assessed by multi-delay arterial spin labeling perfusion and voxel-based morphometry
PurposeTo obtain an understanding of the correlation between hemodynamic differences and morphological changes as well as potential sex differences...
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Arterial spin labelling magnetic resonance imaging and perfusion patterns in neurocognitive and other mental disorders: a systematic review
We reviewed 33 original research studies assessing brain perfusion, using consensus guidelines from a “white paper” issued by the International...
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Perfusion deficits in thrombolysis-treated acute ischemic stroke patients with negative or positive diffusion-weighted imaging
ObjectiveMagnetic resonance imaging (MRI) and CT perfusion may provide diagnostic information for intravenous tissue-type plasminogen activator (IV...
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Development of a dynamic myocardial perfusion phantom model for tracer kinetic measurements
BackgroundAbsolute myocardial perfusion imaging (MPI) is beneficial in the diagnosis and prognosis of patients with suspected or known coronary...
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Texture analysis of SPECT myocardial perfusion provides prognostic value for dilated cardiomyopathy
BackgroundTexture analysis (TA) has demonstrated clinical values in extracting information, quantifying inhomogeneity, evaluating treatment outcomes,...
