Spect
research

Since the 1980s, there have been thousands of scientific papers on brain SPECT imaging for evaluating many psychiatric and neurological disorders. The Amen Clinics' research library contains our own scientific research along with abstracts of thousands of studies from the U.S. and around the world.

LATEST ABSTRACTS

PURPOSE: This study aimed to characterize changes in regional cerebral blood flow (rCBF) in patients who experienced carbon monoxide (CO) poisoning and subsequently developed severe delayed neuropsychiatric sequelae (DNS) with akinetic mutism. We determined whether these changes were reversible in parallel with improvements in neuropsychological ... Read More
OBJECTIVES: To evaluate changes in regional cerebral blood flow (rCBF) during wakeful rest in older subjects with mild to severe obstructive sleep apnea (OSA) and healthy controls, and to identify markers of OSA severity that predict altered rCBF. DESIGN: High-resolution (99m)Tc-HMPAO SPECT imaging during wakeful ... Read More
The posterior hippocampus (pHp) plays a major role in the processing and storage of drug-related cues and is linked to striatal-limbic brain circuits involved with craving and drug salience. We have recently reported that increased basal regional cerebral blood flow (rCBF) in a pHp loci, ... Read More
BACKGROUND: Idiopathic normal pressure hydrocephalus (iNPH) is a clinical syndrome that consists of the triad: gait disturbance, mental deterioration and urinary incontinence associated with normal cerebrospinal fluid pressure (CSF), without pre-existing abnormalities. The most popular treatment option is surgical implantation of a shunt. Brain perfusion ... Read More
OBJECTIVES: We clarified the safety, feasibility, and efficacy of atomoxetine administration combined with intensive speech therapy (ST) for patients with post-stroke aphasia. In addition, we investigated the effect of atomoxetine treatment on neural activity of surrounding lesioned brain areas. MATERIALS AND METHODS: Four adult patients ... Read More
AIM: The aim of the present study was to evaluate the relationship between baseline white matter lesions (WML) and changes in regional cerebral blood flow during longitudinal follow up of patients with Alzheimer’s disease (AD). METHODS: A total of 38 patients with AD were included ... Read More
BACKGROUND/AIMS: Patients with early-onset dementia (EOD) often present atypically, making an accurate diagnosis difficult. Single-photon emission-computed tomography (SPECT) provides an indirect measure of cerebral metabolic activity and can help to differentiate between dementia subtypes. This study aims to investigate the clinical utility of SPECT imaging ... Read More
Abstract AIMS: We attempted to identify a dementia subgroup with characteristics associated with diabetes mellitus (DM)-related metabolic abnormalities, referred to as diabetes-related dementia, using longitudinal single photon emission computed tomography (SPECT) and Pittsburgh compound-B (PiB) positron emission tomography (PET). METHODS: We classified 175 patients with ... Read More
Abstract BACKGROUND: Restless legs syndrome (RLS) is a neurological sensory motor disorder of which pathophysiology remains sketchy. The present study was aimed to determine the diagnostic accuracy and potential of SPECT-TRODAT imaging in discriminating patients with RLS from normal individuals. PATIENTS AND METHODS: A total ... Read More
Abstract We present the case of a 40-year-old man consulting for uncontrollable episodes of laughing related to emotional lability and not systematically linked to feelings of happiness. Seven months earlier he had presented a pontine ischemic stroke related to an occlusion of the basilar and ... Read More
Abstract Single-photon emission-computed tomography (SPECT) may potentially contribute to the diagnostic work up of patients with neurodegenerative dementia. This systematic review aims to establish the diagnostic utility of 99mTc-hexamethylpropyleneamine (99mTc-HMPAO) and 99mTc-ethylcysteine dimer SPECT in distinguishing between Alzheimer’s disease (AD) and frontotemporal dementia (FTD), AD ... Read More
Abstract BACKGROUND/AIMS: Patients with early-onset dementia (EOD) often present atypically, making an accurate diagnosis difficult. Single-photon emission-computed tomography (SPECT) provides an indirect measure of cerebral metabolic activity and can help to differentiate between dementia subtypes. This study aims to investigate the clinical utility of SPECT ... Read More

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