title: Hypersomnia after tegmental pontine hematoma: case report.
abstract: We describe polysomnographic studies of a 44 years-old man who showed a defect in the central nervous regulation of the sleep-waking cycle (SWC), hypoventilation and cardiovascular hyperactivity after a right-sided tegmental pontine hematoma. A significant increase in total sleep time mainly depending upon stage 1 + 2 was observed. Predominant unilateral damage to the medial and central region of the reticularis pontis oralis (Poo) nucleus, extending into the central part of the rostral reticularis pontis caudalis (Poc) nucleus, was presumably responsible for the hypersomnia in this patient.
authors.affiliation: Servicio de Neurología, Hospital La Paz, Madrid.
authors.forename: J
authors.initials: J
authors.lastname: Arpa
authors.forename: A
authors.initials: A
authors.lastname: Rodríguez-Albariño
authors.forename: E
authors.initials: E
authors.lastname: Izal
authors.forename: J
authors.initials: J
authors.lastname: Sarriá
authors.forename: M
authors.initials: M
authors.lastname: Lara
authors.forename: P
authors.initials: P
authors.lastname: Barreiro
mesh_terms: D000328:Adult; D006970:Disorders of Excessive Somnolence / Q000175:diagnosis / Q000209:etiology*; D004576:Electromyography; D006406:Hematoma / Q000150:complications* / Q000503:physiopathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D017286:Polysomnography; D011149:Pons / Q000503:physiopathology*; D012894:Sleep Stages; D012895:Sleep, REM; D013681:Tegmentum Mesencephali / Q000503:physiopathology*; D014057:Tomography, X-Ray Computed; D014851:Wakefulness; D015385:Zona Reticularis / Q000503:physiopathology