A 22-year-old female was admitted to our hospital due to acute onset of severe headache, confusion, and deterioration of consciousness. Results of initial examinations did not suggest cerebrovascular diseases, encephalitis, or nonconvulsive status epilepticus. Over the next several weeks, her level of consciousness fluctuated in parallel with the severity of headache. The electroencephalogram, recorded during a symptomatic episode, showed lack of posterior dominant rhythm, and the single-photon emission CT (SPECT) also revealed a decrease in cerebral blood flow predominantly in the occipital lobes. Administration of sodium valproate and topiramate, recommended as treatment for migraine, dramatically ameliorated her headache and consciousness. Although this was an adult-onset case, her symptoms and clinical course were similar with the diagnosis of ICHD-3-unlisted confusional migraine rather than other listed subtypes of migraine with aura. Further accumulation of similar adult-onset cases is necessary to clarify the nature of this illness.
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http://dx.doi.org/10.5692/clinicalneurol.cn-001337 | DOI Listing |
Clin Pract Cases Emerg Med
August 2024
Binghamton University, Binghamton, New York.
Introduction: Acute confusional migraine (ACM) is a rare variant of migraine that is benign and self-resolving but difficult to diagnose. Without known causative pathophysiology and a lack of recognition in the International Classification of Headache Disorders (ICHD-3), ACM offers a puzzling clinical presentation. There currently is no standardized treatment for ACM, but with a growing anecdotal dataset there is the opportunity to formally recognize and establish protocols to improve patient care and outcomes.
View Article and Find Full Text PDFActa Neurol Belg
October 2024
Headache Unit, Department of Neurology, Hospital Universitario de la Paz, Madrid, Spain.
Introduction: Acute confusional migraine (ACM) is a rare disorder characteristic of pediatric patients. Our objective was to describe the clinical characteristics of patients diagnosed with ACM who visited our pediatric emergency department (PED).
Methods: This study was a retrospective review of children who presented to our PED between January 2012 and December 2022 with a discharge diagnosis of ACM.
Neurol Sci
September 2023
Department of Anesthesia and Critical Care, IRCCS, A. Gemelli University Polyclinic Foundation, Rome, Italy.
Objective: To assess epidemiological, clinical and neuroimaging features of acute confusional state in the Headache and Neurological Deficits with cerebrospinal fluid Lymphocytosis (HaNDL) syndrome.
Background: HaNDL is an increasingly recognized syndrome in which migraine-like headache episodes accompanied by hemiparaesthesia and/or hemiparesis and/or dysphasia are associated to CSF lymphocytic pleocytosis. The International Classification of Headache Disorders (ICHD-3) includes HaNDL syndrome in group 7 "headache attributed to non-vascular intracranial disorder" code 7.
Clin Neurol Neurosurg
May 2022
Division of Neurology, Scientific Institute for Research, Hospitalization, and Care (IRCCS) Foundation "Carlo Besta" Neurological Institute, Milan, Italy.
Background: Acute confusional state associated with migraine in adults is an infrequent entity. Around 30-60% of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) patients get affected by migraine attacks-the majority with aura-often as the first symptom of the disease. Acute confusional state during migraine has been rarely described in CADASIL patients and a complete neuropsychological assessment during the acute phase has never been conducted so far.
View Article and Find Full Text PDFCase Rep Neurol Med
October 2020
Internal Medicine Department, Hamad Medical Corporation, Doha, Qatar.
. Acute confusional migraine (ACM) is a rare variant of migraine, mainly prevalent in children and adolescents. It is not currently indexed as a distinct variant of migraine likely since only a few cases were reported in the adult population.
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