头高位倾斜试验：对其在晕厥患者管理中当前作用的评估
Head Up Tilt Testing: An Appraisal of Its Current Role in the Management of Patients with Syncope.
作者信息
Macedo Paula, Leite Luiz Roberto, Asirvatham Samuel J, Hachul Denise Tessariol, Dos Santos-Neto Leopoldo Luiz, Shen Win-Kuang
机构信息
Division of Cardiovascular Diseases, Department of Medicine.
Department of Pediatrics and Adolescent Medicine - Mayo Clinic, Rochester, Minnesota.
出版信息
J Atr Fibrillation. 2011 Jul 15;4(2):333. doi: 10.4022/jafib.333. eCollection 2011 Jul-Aug.
Head up tilt testing (HTT) is now commonly used to investigate otherwise unexplained syncope and presyncope. This test has been used for over 20 years primarily to diagnose neurally mediated syncope, but HTT's exact role in the diagnostic process remains uncertain. Recognized limitations include poor reproducibility, lack of prognostic role, and insufficient randomized studies to guide therapeutic choice. In this review, we describe the indications and methods recommended by present guidelines on utilizing HTT. In addition, present criticisms and limitations of this test, along with future perspectives, are outlined.
头高位倾斜试验（HTT）目前常用于调查不明原因的晕厥和晕厥前状态。这项试验已应用20多年，主要用于诊断神经介导性晕厥，但HTT在诊断过程中的确切作用仍不明确。公认的局限性包括可重复性差、缺乏预后价值以及指导治疗选择的随机研究不足。在这篇综述中，我们描述了目前关于使用HTT的指南所推荐的适应证和方法。此外，还概述了对该试验目前的批评和局限性以及未来展望。
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