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October 8, 2016: Veterinary Record
Taerim Kim, Shin Ahn, Chang Hwan Sohn, Dong Woo Seo, Won Young Kim
OBJECTIVE: Reversible cerebral vasoconstriction syndrome (RCVS) is an underestimated cause of thunderclap headache that shares many characteristics with subarachnoid hemorrhage (SAH). This fact makes the two easily confused by emergency physicians. This study evaluated the clinical manifestations, radiological features, and outcomes of patients with RCVS. METHODS: The electronic medical records of 18 patients meeting the diagnostic criteria of RCVS at our emergency department between January 2013 and December 2014 were retrospectively reviewed...
December 2015: Clin Exp Emerg Med
Makarand Kulkarni, Vinay Chauhan, Sudheer Shetty
Reversible cerebral vasoconstriction syndrome (RCVS) is a disease characterized by thunderclap headache with severe vasospasm of middle sized vessels of circle of Willis or the extracranial circulation which spontaneously revert back. We report a middle aged female with severe headache and vasospasm of the vertebral arteries and vessels of circle of Willis causing multiple cerebral infarcts. The vasospasm resolved within 3 months.
June 2016: Journal of the Association of Physicians of India
Elisabeth B Marsh, Wendy C Ziai, Rafael H Llinas
INTRODUCTION: Reversible cerebral vasoconstriction syndrome (RCVS) typically affects young patients and left untreated can result in hemorrhage or ischemic stroke. Though the disorder has been well characterized in the literature, the most appropriate way to diagnose, treat, and evaluate therapeutic response remains unclear. In previous studies, transcranial Doppler ultrasound (TCD) has shown elevated velocities indicative of vasospasm. This imaging modality is noninvasive and inexpensive; an attractive option for diagnosis and therapeutic monitoring if it is sensitive enough to detect changes in the acute setting given that RCVS often affects the distal vessels early in the course of disease...
May 2016: Case Reports in Neurology
Vincent Koppelmans, Yoo Young Hoogendam, Sarah Hirsiger, Susan Mérillat, Lutz Jäncke, Rachael D Seidler
Cerebellar volume declines with aging. Few studies have investigated age differences in regional cerebellar volume (RCV) and their association with motor and cognitive function. In 213 healthy older adults, we investigated the association of age with motor skills, cognition and RCV. Subsequently, we studied the association of RCV with motor skills and cognition. RCVs were derived from T1-weighted MRI scans using the automated SUIT segmentation method and clustered using principal component analysis (PCA). Motor skill (manual dexterity, tapping speed, bimanual visuomotor coordination, grip force) and cognition (mental rotation, verbal memory, inhibition, mental flexibility) were assessed...
October 3, 2016: Brain Structure & Function
M Trolliet, A Sevely, J-F Albucher, N Nasr, C Hachon Lecamus, K Deiva, E Cheuret
Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by thunderclap headaches with diffuse segmental constriction of cerebral arteries that resolves spontaneously within 3 months. We report on a case of a 13-year-old boy presenting with acute severe headaches, triggered by physical exertion. His past medical history was uneventful. Moderate headache persisted between exacerbations for 4 weeks. He secondarily presented with signs of intracranial hypertension. Brain magnetic resonance angiography (MRA) revealed multifocal narrowing of the cerebral arteries...
September 14, 2016: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
(no author information available yet)
No abstract text is available yet for this article.
September 10, 2016: Veterinary Record
(no author information available yet)
No abstract text is available yet for this article.
September 10, 2016: Veterinary Record
Jay H Levin, Jorge Benavides, Claudine Caddick, Kathleen Laurie, Janet Wilterdink, Shadi Yaghi, Brian Silver, Muhib Khan
BACKGROUND AND PURPOSE: Reversible cerebral vasoconstriction syndrome (RCVS) is a vascular headache disorder characterized by severe headaches with vasospasm of cerebral arteries. Transcranial Doppler ultrasonography (TCD) has been widely applied and validated in studying vasospasm of intracranial vessels, but the role of TCD in the diagnosis and monitoring of RCVS is less well established. We sought to determine the reliability of TCD for diagnosis and monitoring of RCVS. METHODS: Patients admitted to an inpatient neurology service between 2011 and 2014 with a discharge diagnosis of RCVS were retrospectively analyzed for demographics, neuroimaging, and functional outcomes...
September 1, 2016: Rhode Island Medical Journal
Maryna Skliut, Dara G Jamieson
Pregnant women are most likely to have primary headaches, such as migraine and tension-type headaches, which can be diagnosed and treated without brain imaging. Primary headaches may even start de novo during pregnancy, especially in the first few months. However, when the headache occurs late in pregnancy or in the peripartum period, secondary causes of headaches need to be considered and evaluated by brain and/or vascular imaging, generally using magnetic resonance techniques. There is considerable overlap between the cerebrovascular complications of pregnancy, including preeclampsia/eclampsia, posterior reversible encephalopathy syndrome (PRES), reversible cerebral vasoconstriction syndrome (RCVS), and both hemorrhagic and ischemic strokes; although, their imaging may be distinctive...
October 2016: Current Pain and Headache Reports
Jehoon Lee, Soo-Young Kim, Hi Jeong Kwon, Hae Kyung Lee, Yonggoo Kim, Yeongsic Kim
BACKGROUND: Biological variation is used in the calculation of reference change values (RCVs) for a delta check. In this study, we examined the correlation between intra-individual biological coefficients of variation (CVI) and delta check limits according to population distribution. METHODS: A total of 1,533,359 paired test results of nine routine chemistry tests were used to make the population distributions of delta percent changes. Their 0.5th, 2.5th, 97.5th, and 99...
August 11, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
Akiyuki Hiraga, Yuya Aotsuka, Kyosuke Koide, Satoshi Kuwabara
BACKGROUND: Reversible cerebral vasoconstriction syndrome (RCVS) is characterized by segmental vasospasm. Vasoactive agents and childbirth have been reported as precipitating factors for RCVS; however, RCVS induced by altitude change or air travel has rarely been reported. CASE: We present a case of a 74-year-old woman who presented with thunderclap headache during airplane descent. Magnetic resonance angiography demonstrated segmental vasoconstriction that improved 9 days after onset...
August 12, 2016: Cephalalgia: An International Journal of Headache
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No abstract text is available yet for this article.
August 6, 2016: Veterinary Record
Duangnapa Roongpiboonsopit, Kannikar Kongbunkiat, Kammant Phanthumchinda
Reversible cerebral vasoconstriction syndrome (RCVS), a recently recognized syndrome, is defined as an intermittent segmental vasospasm of cerebral arteries accompanied by thunderclap headache. The major complications of RCVS include ischemic or hemorrhagic stroke, which may cause morbidity and mortality. It is important to detect RCVS in clinical practice because misdiagnosis may lead to inappropriate treatment. In Thailand, there are only two reported cases of RCVS, which may reflect an underdiagnosis of this syndrome...
January 2016: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
Ji Young Lee, Young Seo Kim, Hyun Young Kim, Dong Woo Park, Sang-Cheol Bae, Young-Jun Lee
We describe two cases of non-aneurysmal subarachnoid hemorrhage (SAH) and multifocal stenosis of the intracranial arteries. The patients' histories together with magnetic resonance angiography, vessel wall imaging and transcranial Doppler (TCD) indicated that the SAH was due to vasculitis or reversible cerebral vasoconstriction syndrome (RCVS). Differential diagnosis of vasculitis and RCVS is important because the treatment strategies are different: immunosuppressants in vasculitis and calcium channel blockers in RCVS...
July 25, 2016: International Journal of Rheumatic Diseases
John Innes
In the first of a new series of features for Vet Record Careers, John Innes describes a recent working week as referrals director for CVS and a RCVS specialist in small animal orthopaedics.
July 23, 2016: Veterinary Record
(no author information available yet)
No abstract text is available yet for this article.
July 23, 2016: Veterinary Record
Álex Rovira, Cristina Auger, Antoni Rovira
Idiopathic inflammatory-demyelinating diseases (IIDDs) represent a broad spectrum of central nervous system (CNS) disorders, including monophasic, multiphasic, and progressive disorders that range from highly localized forms to multifocal or diffuse variants. In addition to the classic multiple sclerosis (MS) phenotypes, several MS variants have been described, which can be differentiated on the basis of severity, clinical course, and lesion distribution. Other forms of IIDD are now recognized as distinct entities and not MS variants, such as acute disseminated encephalomyelitis, and neuromyelitis optica spectrum disorders...
2016: Handbook of Clinical Neurology
(no author information available yet)
No abstract text is available yet for this article.
July 16, 2016: Veterinary Record
(no author information available yet)
No abstract text is available yet for this article.
July 16, 2016: Veterinary Record
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