Hippocampal infarction: redefining transient global amnesia

Santana, Julián; García-Alfonso, Carolina; Martinez, A Romero; Cardenas-Cruz, Andres Felipe; Aguilera-Pena, María Paula; Bris-Fernández, Óscar; Waich, Alan; Munoz, María Del Mar Talero-; Coral, Juliana

doi:10.1007/s10072-022-05980-6

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…Yaşam boyu nüks oranı %2,9-23,8'dir. 2 Oliveira ve ark., tekrarlamayı %27 oranında bulmuşlar ve kadın cinsiyet, depresyon, kısa epizod süresi, beyin MRG'de hipokampal hiperintensite varlığının nüks için risk faktörleri olabilece-ğini öne sürmüşlerdir. 4 GGA'nın etiyolojisine ilişkin vertebrobaziler sistemin dalları tarafından kanlanan bir alan olan mediyal temporal lobla sınırlı geçici iskeminin de neden olabileceği düşünülmektedir.…”

Section: Discussionunclassified

“…Duygusal ve fiziksel stres, yüksek irtifa, aşırı sıcak, valsalva manevrası ve cinsel ilişki GGA'yı tetikleyebilir. 2 Yoğun ev ve bahçe işleri ile uğraşmak, çok sıcak banyo yapmak ya da soğuk suda yüzmek GGA için tanımlanmış diğer tetikleyici faktörlerdir. 3 Benign paroksismal pozisyonel vertigo (BPPV) santral kaynaklı olmayan vertigo sebepleri arasında en sık olanıdır.…”

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Transient Global Amnesia After Positional Testing and Canalolith Repositioning Maneuver in Benign Paroxysmal Positional Vertigo

ÖZER KAYRA,

ÖZMEN,

ÇAYLAKLI

et al. 2023

KBB ve BBC Dergisi

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ÖZET Benign paroksismal pozisyonel vertigo (BPPV) en yaygın periferik vertigo nedenidir. Kulak burun boğaz ve nöroloji kliniklerinin önemli bir hasta bölümünü oluşturur. Geçici global amnezi (GGA), ani başlangıçlı anterograd amnezi ve bazen de retrograd amnezi ile karakterize, en geç 24 saat içinde düzelen nadir bir nörolojik antitedir. Özellikle duygusal ve fiziksel stres tarafından tetiklenir. Ayırıcı tanısı posterior serebral dolaşımda geçici iskemik atak, fokal nöbetler, postiktal durum, psikojenik amnezi, travma sonrası amnezi ve hipoglisemi gibi metabolik bozuklukları içerir. Bu olguda, posterior kanal BPPV nedeniyle önce Dix-Hallpike testi ardından Epley manevrası uygulandıktan kısa süre sonra ani bilinç değişikliği ve oryantasyon kaybı yaşayan, yapılan incelemeler sonucunda GGA olarak değerlendirilen ve 24 saat içinde normale dönen 72 yaşında kadın hasta sunulmuştur. Anah tarKe li me ler: Baş dönmesi; benin paroksismal pozisyonel vertigo; amnezi; psikolojik sıkıntı; yaşlanma ABS TRACT Benign paroxysmal positional vertigo (BPPV) is the most common cause of peripheral vertigo. It forms an significant number of patients in ear nose throat and neurology clinics. Transient global amnesia (TGA) is a rare neurological entity characterized by sudden onset anterograde amnesia and sometimes retrograde amnesia, which resolves within 24 hours at the latest. It is particularly triggered by emotional and physical stress. Its differential diagnosis includes transient ischemic attack in the posterior cerebral circulation, focal seizures, postictal state, psychogenic amnesia, post-traumatic amnesia, and metabolic disorders such as hypoglycemia. In this case, a 72-year-old female patient who experienced sudden changes in consciousness and loss of orientation shortly after performing the Dix-Hallpike test and then the Epley maneuver due to posterior canal BPPV is presented. As a result of the examinations, it was evaluated as TGA and returned to normal within 24 hours.

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Section: Discussionunclassified

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Transient Global Amnesia After Positional Testing and Canalolith Repositioning Maneuver in Benign Paroxysmal Positional Vertigo

ÖZER KAYRA,

ÖZMEN,

ÇAYLAKLI

et al. 2023

KBB ve BBC Dergisi

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“…5 The etiology of TGA has been speculated for some time but remains a mystery, 6,7 though one study found hippocampal lesions in as many as 50% of cases. 8 A differentiation must be made between TGAs occurring through sexual activity and otherwise, since in the latter, there are a number of potentially relevant variables, particularly migraine. [9][10][11] However, whereas in previous cases many of the patients' symptoms were more severe, with the amnesia being truly global and sometimes exhibiting severe confusion, [12][13][14] the amnesia in the present instance was "spotty," with only certain details in memory and comprehension of written material being evident.…”

Section: Introductionmentioning

confidence: 99%

“…The etiology of TGA has been speculated for some time but remains a mystery, 6,7 though one study found hippocampal lesions in as many as 50% of cases. 8 A differentiation must be made between TGAs occurring through sexual activity and otherwise, since in the latter, there are a number of potentially relevant variables, particularly migraine. 9–11…”

Section: Introductionmentioning

confidence: 99%

A Case of “Spotty” Transient Global Amnesia

Simón

2023

Journal of Psychosexual Health

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A case of transient global amnesia occurring after sexual intercourse is presented with a somewhat unusual symptomatology. Instead of an all-encompassing amnesia, as has usually been reported in the literature, the patient’s amnesia was evident in spots. Therefore, transient global amnesia after sexual relations may go unnoticed in patients if the amnesia is temporary, as is usually the case, and is restricted to a few memories.

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Akuter Gedächtnisverlust: Ist es eine transiente globale Amnesie?

Eschle

2023

Notfall Rettungsmed

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Hippocampal infarction: redefining transient global amnesia

Cited by 4 publications

References 33 publications

Transient Global Amnesia After Positional Testing and Canalolith Repositioning Maneuver in Benign Paroxysmal Positional Vertigo

Transient Global Amnesia After Positional Testing and Canalolith Repositioning Maneuver in Benign Paroxysmal Positional Vertigo

A Case of “Spotty” Transient Global Amnesia

Akuter Gedächtnisverlust: Ist es eine transiente globale Amnesie?

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