2019
DOI: 10.20344/amp.11265
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Late-Night Salivary Cortisol: Cut-Off Definition and Diagnostic Accuracy for Cushing’s Syndrome in a Portuguese Population

Abstract: RESUMOIntrodução: O diagnóstico de síndrome de Cushing continua a ser um desafio complexo. Apesar do cortisol salivar noturno ser utilizado como teste de rastreio, a definição de um valor diagnóstico deverá ser individualizada. Material e Métodos: Foram estudados 3 grupos: voluntários saudáveis, com suspeita clínica e com diagnóstico estabelecido de Síndrome de Cushing. O doseamento de cortisol salivar foi realizado por eletroquimioluminescência automatizado. A definição do ponto-de-corte foi obtida pela curva… Show more

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Cited by 5 publications
(2 citation statements)
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References 31 publications
(46 reference statements)
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“…Different groups have reported cut-off levels ranging from 2.8-12.3 nmol/l (0.10-0.45 μg/dl) with different sensitivities and specificities for the diagnosis of HC (▶ table 1) [8-12, 15-17,19-26]. Almost all cited studies used at least partially or solely healthy subjects as control group [8,12,16,17,[19][20][21][22][23]27]. This will very like-ly limit the use of the calculated cut-offs in daily clinical work because healthy subjects will not be undergoing HC testing.…”
Section: Discussionmentioning
confidence: 99%
“…Different groups have reported cut-off levels ranging from 2.8-12.3 nmol/l (0.10-0.45 μg/dl) with different sensitivities and specificities for the diagnosis of HC (▶ table 1) [8-12, 15-17,19-26]. Almost all cited studies used at least partially or solely healthy subjects as control group [8,12,16,17,[19][20][21][22][23]27]. This will very like-ly limit the use of the calculated cut-offs in daily clinical work because healthy subjects will not be undergoing HC testing.…”
Section: Discussionmentioning
confidence: 99%
“…It has a strong circadian rhythm. Its level reaches its highest peak within 1 h in the morning and then decreases rapidly [ 57 , 58 ], so this study strictly followed the collection time during the specimen collection process to ensure the accuracy of data. This study compared six different saliva collection methods and explored the relationship between saliva cortisol and blood cortisol levels.…”
Section: Discussionmentioning
confidence: 99%