2009
DOI: 10.1007/s10286-009-0515-2
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Pupil evaluation as a test for autonomic disorders

Abstract: Pupil tests provide a convenient and simple method for evaluation of autonomic function. Most patients with autonomic disorders show evidence of sympathetic or parasympathetic deficits in the pupil, and these can be detected using a combination of clinical signs, pupillometric tests (measuring the responses to light, or an accommodative effort, or a sudden noise) and pharmacological tests (using topically applied drugs both to confirm a deficit and to localize the lesion). Caution is needed in the interpretati… Show more

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Cited by 92 publications
(86 citation statements)
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References 28 publications
(26 reference statements)
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“…Pupillometry offers noninvasive, rapid, and objective measurements of pupillary function; these measurements serve as an ideal instrument to quantify ophthalmologic-specific ANSD. Pupillometry has been successfully used to evaluate ANSD in autonomic neuropathies (14)(15)(16), pediatric enuresis (17), heart failure (18), and familial dysautonomia (19) and has the potential for use in other pediatric disorders of respiratory and autonomic dysregulation. Although multiple factors can influence pupil diameter and response, with standardized conditions and intact afferent pathways, pupillometry allows for insight into efferent ANS pathways (14).…”
Section: Ongenital Central Hypoventilation Syndrome (Cchs) Ismentioning
confidence: 99%
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“…Pupillometry offers noninvasive, rapid, and objective measurements of pupillary function; these measurements serve as an ideal instrument to quantify ophthalmologic-specific ANSD. Pupillometry has been successfully used to evaluate ANSD in autonomic neuropathies (14)(15)(16), pediatric enuresis (17), heart failure (18), and familial dysautonomia (19) and has the potential for use in other pediatric disorders of respiratory and autonomic dysregulation. Although multiple factors can influence pupil diameter and response, with standardized conditions and intact afferent pathways, pupillometry allows for insight into efferent ANS pathways (14).…”
Section: Ongenital Central Hypoventilation Syndrome (Cchs) Ismentioning
confidence: 99%
“…Pupillometry has been successfully used to evaluate ANSD in autonomic neuropathies (14)(15)(16), pediatric enuresis (17), heart failure (18), and familial dysautonomia (19) and has the potential for use in other pediatric disorders of respiratory and autonomic dysregulation. Although multiple factors can influence pupil diameter and response, with standardized conditions and intact afferent pathways, pupillometry allows for insight into efferent ANS pathways (14). Specifically, these include the sympathetic nervous system (SNS) component via pupillary dilation response and the parasympathetic nervous system (PSNS) component via pupillary constriction (Figure 1).…”
Section: Ongenital Central Hypoventilation Syndrome (Cchs) Ismentioning
confidence: 99%
“…Por ello puede emplearse para monitorear la sensibilidad de la retina a la luz. Esto es muy útil en la práctica clínica, ya que la constricción pupilar transitoria en respuesta a un estímulo lumínico, o el diámetro pupilar normal tras una iluminación constante puede reflejar la integridad de la retina y del nervio óptico, y puede usarse para la detección de enfermedades sistémicas, como es el caso de la diabetes mellitus (Bremner, 2009). Por ende, la valoración pupilar, realizándola con las condiciones adecuadas, brinda información valiosa y relevante sobre la posibilidad de si hay o no compromiso de neuropatía autonómica en pacientes con diabetes mellitus.…”
unclassified
“…Quando estas condições são padronizadas para o uso da pupilometria, os dados podem ser utilizados para identificar possíveis déficits simpáticos ou parassimpáticos (Bremner, 2009). …”
Section: Pupilometriaunclassified
“…Esta técnica, apesar de variar de acordo com a aparelhagem utilizada, costuma seguir os mesmos princípios: uma fonte de luz infra-vermelha ilumina a íris enquanto uma câmera grava a imagem; um estímulo luminoso é apresentado e o reflexo pupilar à luz pode ser analisado a partir das imagens computadorizadas (Bremner, 2009). Há, na literatura, alguns parâmetros pré-estabelecidos para análise das respostas simpática e parassimpática através do RPL (Bannister & Mathias, 1999;Bremner, 2009;Fotiou et al, 2000), sendo os mais utilizados: Há registros na literatura de estudos indicando parâmetros e valores padrões da resposta pupilar para indivíduos normais (Fotiou et al, 2000;Tales et al, 2001), além de trabalhos relacionando as funções pupilares de indivíduos saudáveis com a de indivíduos portadores de neuropatia diabética (Dütsch et al, 2004;Eppens et al, 2006;Smith, 2006). Em um estudo piloto, os dados decorrentes da avaliação através do RPL foram significativamente diferentes em pacientes com diabetes quando comparados aos sujeitos do grupo controle (Ferrari et al, 2010).…”
Section: Pupilometriaunclassified