Objective: To study the clinical value and safety of the head-up tilt table test (HUTT) in children under 6 years old.
Methods: The HUTT results between September 2000 and August 2011 of 144 2 to 6-year-old children (81 boys and 63 girls) with syncope and dizziness of unknown causes were retrospectively studied.
Results: Eight children completed the based tilt table test and 136 cases completed the sublingual nitroglycerin tilt table test. No serious side effects were found in these children. Thirty-two (22.2%) of the 144 children had a positive result of HUTT, including 18 boys and 14 girls (P>0.05). When HUTT-induced syncope met positive standards, ECG record and blood pressure recovered to normal levels within 5 minutes by changing the position of the test bed, keeping the airway open, nasal oxygen inhalation and oral milk.
Conclusions: The HUTT is valuable, safe and compliant in children under 6 years old.
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Medicina (Kaunas)
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Clinic of Cardiac and Vascular Diseases, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, LT-03225 Vilnius, Lithuania.
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Europace
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Department of Clinical Sciences, Lund University, Malmö, Sweden.
Background: Orthostatic hypotension (OH) is an important differential diagnosis in unexplained syncope. Neurogenic OH (nOH) has been postulated to differ from non-neurogenic OH (non-nOH), yet pathophysiological differences are largely unexplored. We aimed to investigate etiology and tilt table test (TTT)-induced hemodynamic responses in symptomatic OH patients.
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