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Descripteurs (mots clés)
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Malformation d'Arnold-Chiari
A group of congenital malformations involving the brainstem, cerebellum, upper spinal cord, and surrounding bony structures. Type II is the most common, and features compression of the medulla and cerebellar tonsils into the upper cervical spinal canal and an associated MENINGOMYELOCELE. Type I features similar, but less severe malformations and is without an associated meningomyelocele. Type III has the features of type II with an additional herniation of the entire cerebellum through the bony defect involving the foramen magnum, forming an ENCEPHALOCELE. Type IV is a form a cerebellar hypoplasia. Clinical manifestations of types I-III include TORTICOLLIS; opisthotonus; HEADACHE; VERTIGO; VOCAL CORD PARALYSIS; APNEA; NYSTAGMUS, CONGENITAL; swallowing difficulties; and ATAXIA. (From Menkes, Textbook of Child Neurology, 5th ed, p261; Davis, Textbook of Neuropathology, 2nd ed, pp236-46)
Synonyme(s)
Syndrome d'Arnold Chiari; Malformation d'Arnold-Chiari de type II; Malformation d'Arnold-Chiari de type 2; Malformation d'Arnold-Chiari type II; Malformation d'Arnold-Chiari de type IV; Malformation d'Arnold-Chiari de type 4; Malformation d'Arnold-Chiari type IV; Malformation d'Arnold-Chiari de type I; Malformation d'Arnold-Chiari de type 1; Malformation d'Arnold-Chiari type I; Malformation d'Arnold-Chiari de type III; Malformation d'Arnold-Chiari de type 3; Malformation d'Arnold-Chiari type IIIRelation(s)
- voir aussi au terme générique : [Descripteurs (mots clés)] Anomalies du tube neural
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Case Report: Downbeat Nystagmus Due to Epidural Puncture during Labor with Undiagnosed Arnold-Chiari Malformation / Raman Bhakhri in OVS : Optometry & Vision Science, vol. 99, 9 (septembre 2022)
[article]
in OVS : Optometry & Vision Science > vol. 99, 9 (septembre 2022)
Titre : Case Report: Downbeat Nystagmus Due to Epidural Puncture during Labor with Undiagnosed Arnold-Chiari Malformation Type de document : article de périodique Auteurs : Raman Bhakhri ; Leonard Messner Année de publication : 2022 Langues : Français (fre) Descripteurs (mots clés) : [Thésaurus HELB]:Paramédical:accouchement
[Thésaurus Mesh]Anesthésie péridurale
[Thésaurus Mesh]Malformation d'Arnold-Chiari
[Thésaurus Mesh]Troubles de la visionMots-clés : nystagmus descendant Résumé : SIGNIFICANCE: Epidural anesthesia is a safe procedure used in pregnant patients during labor. However, caution should be exercised in those patients who have concurrent Arnold-Chiari malformation. PURPOSE: This study aimed to report a rare and atypical presentation of downbeat nystagmus, in a pregnant patient with Arnold-Chiari malformation type 1 (ACM1), secondary to accidental dural puncture. CASE REPORT: A 31-year-old African American woman presented with a chief complaint of decreased vision and oscillopsia that occurred after giving birth, 6 months earlier. Her medical history before presentation was unremarkable. Her delivery was typical; however, the patient did receive epidural anesthesia, which resulted in a dural puncture. The patient noted her symptoms a few days after delivery. Upon examination, persistent downbeat nystagmus was noted in both eyes. Magnetic resonance imaging revealed a 2.5-cm inferior displacement of the cerebellar tonsils below the foramen magnum consistent with ACM1. The patient was referred to neurosurgery for posterior fossa decompression. However, surgery was deferred until appropriate weight reduction could be achieved. Follow-up examination 6 months later revealed no change in her clinical findings. CONCLUSIONS: This case report highlights an atypical presentation of downbeat nystagmus secondary to an accidental dural puncture in a pregnant patient with undiagnosed ACM1. Clinicians should consider the importance of considering ocular complications that can occur in pregnant patients with ACM1. Questioning of women who have recently given birth about epidural anesthesia should be considered with an acute presentation of downbeat nystagmus. Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
Cote Support Localisation Section Disponibilité aucun exemplaire Malformations de Chiari et symptômes oculaires in L'optométriste (UNIQUEMENT ACCESSIBLE EN PDF), vol. 43, 01 (Janvier-février 2021)
[article]
in L'optométriste (UNIQUEMENT ACCESSIBLE EN PDF) > vol. 43, 01 (Janvier-février 2021)
Titre : Malformations de Chiari et symptômes oculaires Type de document : article de périodique Année de publication : 2021 Langues : Français (fre) Descripteurs (mots clés) : [Thésaurus Mesh]:M:Malformation d'Arnold-Chiari:Malformation d'Arnold-Chiari / complications
[Thésaurus Mesh]:M:Malformation d'Arnold-Chiari:Malformation d'Arnold-Chiari / diagnostic
[Thésaurus Mesh]Malformation d'Arnold-Chiari
[Thésaurus Mesh]Neurologie
[Thésaurus Mesh]Troubles de la visionRésumé : Les malformations de Chiari (MC) peuvent causer une variété de symptômes oculaires que les optométristes doivent connaître afin de renseigner le patient, ou fournir un diagnostic correct, et d'orienter rapidement vers un neurologue. Permalink : https://bibliotheque.helb-prigogine.be/opac_css/index.php?lvl=notice_display&id= [article]Exemplaires
Cote Support Localisation Section Disponibilité aucun exemplaire