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Unprovoked and glyceryl tinitrate-provoked head-up tilt table test is safe in older people: a review of 10 years' experience.

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Title: Unprovoked and glyceryl tinitrate-provoked head-up tilt table test is safe in older people: a review of 10 years' experience.
Authors: Gieroba ZJ (AUTHOR), Newton JL (AUTHOR), Parry SW (AUTHOR), Norton M (AUTHOR), Lawson J (AUTHOR), Kenny RA (AUTHOR)
Source: Journal of the American Geriatrics Society. Nov2004, Vol. 52 Issue 11, p1913-1915. 3p.
Abstract: OBJECTIVES: To test the safety of the head-up tilt test (HUT) in older adults. DESIGN: Direct observation and measurements. SETTING: Tests performed in a quiet room with dim lighting in a laboratory setting. PARTICIPANTS: One thousand ninety-six subjects aged 60 to 74; 873 aged 75 and older. MEASUREMENTS: Blood pressure and pulse at baseline for 10 minutes and 70 degrees tilt for maximum of 45 minutes. Subjects with unprovoked HUT had test repeated on a separate day after 800 mg glyceryl trinitrate (GTN). RESULTS: One thousand four hundred ninety-five drug-free and 474 GTN-provoked HUTs were studied. In those aged 60 to 74, the proportion of hypotensive unprovoked HUT was 16% (27% in those aged > or =75); this was higher with GTN provocation (43% in those aged 60-74, 44% in those aged > or =75; P<.01). Systolic blood pressure decreased during provoked HUT (lowest mean+/-standard deviation=67+/-20 in those aged 60-74, 63+/-24 in those aged > or =75; P<.01). There was one cardiovascular and no neurological complications. CONCLUSION: This study included 10 times as many people as previous studies and demonstrates the safety of HUT in older people. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:OBJECTIVES: To test the safety of the head-up tilt test (HUT) in older adults. DESIGN: Direct observation and measurements. SETTING: Tests performed in a quiet room with dim lighting in a laboratory setting. PARTICIPANTS: One thousand ninety-six subjects aged 60 to 74; 873 aged 75 and older. MEASUREMENTS: Blood pressure and pulse at baseline for 10 minutes and 70 degrees tilt for maximum of 45 minutes. Subjects with unprovoked HUT had test repeated on a separate day after 800 mg glyceryl trinitrate (GTN). RESULTS: One thousand four hundred ninety-five drug-free and 474 GTN-provoked HUTs were studied. In those aged 60 to 74, the proportion of hypotensive unprovoked HUT was 16% (27% in those aged > or =75); this was higher with GTN provocation (43% in those aged 60-74, 44% in those aged > or =75; P<.01). Systolic blood pressure decreased during provoked HUT (lowest mean+/-standard deviation=67+/-20 in those aged 60-74, 63+/-24 in those aged > or =75; P<.01). There was one cardiovascular and no neurological complications. CONCLUSION: This study included 10 times as many people as previous studies and demonstrates the safety of HUT in older people. [ABSTRACT FROM AUTHOR]
ISSN:00028614
DOI:10.1111/j.1532-5415.2004.52518.x