Abnormal insulin levels and vertigo

Proctor, Michael S.

doi:10.1288/00005537-198110000-00011

Cited by 15 publications

(25 citation statements)

References 12 publications

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“…Disturbances of glucose metabolism as diabetes mellitus and hyperinsulinemia are thought to be responsible for inner ear diseases [7]. Hypoglycemia, hyperglycemia and even mild alterations in insulin levels are already enough to cause changes which impact the labyrinth [8]. In our study we detected fourteen patients (3%) with hyperglycemia which presented with vertigo.…”

Section: Discussionmentioning

confidence: 72%

Vertigo: Is it Really a Neurological Emergency?

Beydilli¹

2012

Ann Clin Anal Med

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Section: Discussionmentioning

confidence: 72%

Vertigo: Is it Really a Neurological Emergency?

Beydilli¹

2012

Ann Clin Anal Med

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“…The early diagnosis of these disorders is extremely important in the assessment of patients complaining of dizziness 8,11 . It is known that the labyrinthine structures and, especially the stria vascularis, have a very intense metabolic activity and, therefore, depend on a constant and proper supply of oxygen, glucose and adenosine triphosphate (ATP).…”

Section: Discussionmentioning

confidence: 99%

“…Patients usually complain of vertigo, a feeling of floating, tinnitus, weakness, sweat and tremor 8 . Hypoglycemia, hyperglycemia and even mild alterations in insulin levels are already enough to cause changes which impact the labyrinth [8][9][10][11] . Metabolic disorders may act as the major etiological factor in vestibular dysfunctions or be a worsening factor in a pre-existing vestibular disorder.…”

Section: Introductionmentioning

confidence: 99%

Blood glucose and insulin levels in patients with peripheral vestibular disease

Serra¹,

Lopes²,

Dorigueto³

et al. 2009

Braz. j. otorhinolaryngol. (Impr.)

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Met abolic disorders can cause dizziness. Aim: to study the prevalence of glucose and glucose-insulin alterations in patients with peripheral vestibular disorders by studying the four-hour glucose-insulin curve; to check at what time there was the highest prevalence of altered cases and whether the glucose and insulin curves together are better than the isolate glucose curve and fasting glucose curve. Materials and Methods: retrospective study, analyzing 81 four-hour glucose-insulin curves in patients with peripheral vestibular dizziness. Results: Four-hour glucose-insulin curve alterations happened in 87.7% of the patients. Hypoglycemia was seen in 61.7% of the cases, hyperinsulinemia in 55.5%, hyperglycemia in 27.2%, glucose intolerance in 12.3% and hypoinsulinemia in 1.2%. Normal tests were seen in 12.3 % of the cases and altered fasting glucose in 23.5%. Conclusions: The fourhour glucose-insulin curve analysis showed that 87.7% of the patients with dizziness and suspicion of peripheral vestibular disorder had glucose or insulin metabolism disorders. The highest number of alterations was seen up to the third and fourth hour of the glucose-insulin curve. The glucose and insulin curves together overcame the glucose curve alone and fasting glucose curve in regards of the prevalence of altered cases.

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“…A entrada de glicose a partir do plasma para a perilinfa é realizada por meio de um sistema de transporte facilitado, específico e saturável, sendo que, mesmo durante um processo isquêmico da cóclea, existem carreadores energéticos que permitem o abastecimento das reservas para as células nervosas. O metabolismo da glicose tem grande influência no ouvido interno e tanto a hipoglicemia como a hiperglicemia podem alterar seu funcionamento normal (1)(2)(3)(4).…”

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“…São propostos os seguintes mecanismos: 1) interferência no transporte de nutrientes através de paredes capilares espessadas; 2) redução do fluxo por meio de vasculatura estreitada; 3) acometimento neuropático do VIII par craniano. Observa-se, ainda, uma diminuição das células ciliadas nos pacientes diabéticos, que poderia ser explicada pela hiperosmolaridade intracelular resultante do acú -mulo de sorbitol (resultado do desvio do metabolismo da glicose, via mioinositol) nas células (1)(2)(3)5,6).…”

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Diabetes mellitus: prevalência de alterações auditivas

Marchiori

Gibrin

2003

Arq Bras Endocrinol Metab

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Arq Bras Endocrinol Metabvol 47 nº 1 Fevereiro 2003 82 RESUMOA presença de sintomas otológicos associados ao diabetes mellitus (DM) é discutida há seis décadas; entretanto, sua etiologia ainda permanece obscura. Uma vez que a associação entre perda auditiva e DM é ainda bastante controversa na literatura mundial, neste estudo realizou-se uma análise comparativa entre a presença de queixa e perda auditiva em pacientes com DM. Foram estudados 552 anamneses e 36 indivíduos com e 36 sem DM (grupo controle) através de audiometria tonal limiar e imitância acústica. A acuidade auditiva em 97,2% dos pacientes com DM mostrou-se neurossensorial com rebaixamento nas agudas. Conclui-se haver associação direta entre DM e perdas auditivas, principalmete nas freqüências agudas. ABSTRACT Diabetes Mellitus: Prevalence of Hearing Disorders.Although the presence of otologic symptoms associated with diabetes mellitus (DM) have been discussed for six decades, its etiology still remains obscure. Since the association between DM and hearing loss is still a matter of debate, the goal of this paper was to verify the prevalence of hearing loss in patients with DM. Therefore we studied the genesis of DM by a case-control protocol, where pure tone and impedance audiometry were employed. The hearing acuity in 97.2% of the patients with DM showed sensorioneural hearing loss, mainly for high frequencies. We conclude that there was a direct association between DM and hearing loss, mainly for high frequencies. A MAIORIADAS PERDAS AUDITIVAS adquiridas em adultos surge gradualmente. Uma perda auditiva adquirida pode não alterar a fala e a voz do indivíduo, dependendo da idade de início da mesma, de sua severidade e da determinação e motivação do paciente; no entanto, qualquer perda auditiva é capaz de dificultar a recepção da linguagem oral.Existem determinados grupos que tem mais probabilidade de vir a adquirir uma perda auditiva por inúmeros fatores predisponentes, entre estes grupos estão os indivíduos que são submetidos à exposição ao ruído e ingestão de medicamentos ototóxicos ou apresentam alterações metabólicas.Os pacientes com alterações do metabolismo da glicose podem apresentar sintomas auditivos, vestibulares ou mistos. As tonturas podem ser rotatórias típicas, mas não raro encontrar queixas de instabilidade, flutuação ou sensação de desfalecimento. As queixas auditivas são mais vari -

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Abnormal insulin levels and vertigo

Cited by 15 publications

References 12 publications

Vertigo: Is it Really a Neurological Emergency?

Vertigo: Is it Really a Neurological Emergency?

Blood glucose and insulin levels in patients with peripheral vestibular disease

Diabetes mellitus: prevalência de alterações auditivas

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