2008
DOI: 10.1590/s0004-27492008000500006
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Ação do colírio de fenilefrina 10% no posicionamento palpebral de indivíduos normais

Abstract: Ação do colírio de fenilefrina 10% no posicionamento palpebral de indivíduos normaisDescritores: Pálpebras/fisiologia; Pupila; Fenilefrina/administração & dosagem; Fenilefrina/ farmacologia; Soluções oftálmicas Objetivos: Determinar a ação de uma gota do colírio de fenilefrina 10% sobre as pálpebras superior e inferior de indivíduos normais; verificar a ocorrência de alterações no posicionamento das pálpebras superior e inferior do olho contralateral, após instilação desta medicação. Métodos: Estudo prospectiv… Show more

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Cited by 5 publications
(3 citation statements)
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“…We found a small, although highly significant difference in PFH between the treated eye and the untreated eye (∆PFH), in accordance with the measures reported by Bastiaensen et al 6 in a cohort of patients with insulin-dependent diabetes. The ∆PFH response in healthy particpants 3 5 is up to 70% higher in comparison with our measures, indicating a loss of sympathetic reserve capacity caused by decreased adrenergic excitability and autonomic dysfunction .…”
Section: Discussioncontrasting
confidence: 70%
See 1 more Smart Citation
“…We found a small, although highly significant difference in PFH between the treated eye and the untreated eye (∆PFH), in accordance with the measures reported by Bastiaensen et al 6 in a cohort of patients with insulin-dependent diabetes. The ∆PFH response in healthy particpants 3 5 is up to 70% higher in comparison with our measures, indicating a loss of sympathetic reserve capacity caused by decreased adrenergic excitability and autonomic dysfunction .…”
Section: Discussioncontrasting
confidence: 70%
“…Consequently, topical application of phenylephrine, a sympathomimetic drug, causes an increase in palpebral fissure height (PFH) in healthy subjects of 1.2 to 1.6 mm accordingly. 3 5 In diabetes, however, the PFH is significantly decreased compared with healthy controls. On average, people with diabetes who depend on insulin had a PFH of 8.3 mm, whereas healthy controls had a PFH of 9.9.…”
mentioning
confidence: 98%
“…Entretanto, para que os dados possam ser validados há necessidade de se ter critérios bem definidos de inclusão e exclusão dos participantes, devendo-se levar em conta que os indivíduos que utilizam colírios podem ter alterações na fenda palpebral decorrente da ação dos mesmos nos músculos palpebrais, como ocorre, por exemplo, com o colírio de fenilefrina (13) . Ainda, a técnica de tomada das imagens deve ser sempre a mesma, já que a DMR e a fenda palpebral se alteram de acordo com a posição do olhar (14) .…”
Section: Discussionunclassified