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Autonomic dysreflexia and repeatability of cardiovascular changes during same session repeat urodynamic investigation in women with spinal cord injury


Walter, Matthias; Knüpfer, Stephanie C; Leitner, Lorenz; Mehnert, Ulrich; Schubert, Martin; Curt, Armin; Kessler, Thomas M (2016). Autonomic dysreflexia and repeatability of cardiovascular changes during same session repeat urodynamic investigation in women with spinal cord injury. World Journal of Urology, 34(3):391-397.

Abstract

PURPOSE: To investigate autonomic dysreflexia (AD) and repeatability of cardiovascular changes during same session repeat urodynamic investigation (UDI) in women with spinal cord injury (SCI).
METHODS: Prospective investigation of 33 consecutive women with suprasacral SCI suffering from neurogenic lower urinary tract dysfunction (NLUTD) undergoing same session repeat UDI and synchronous continuous cardiovascular monitoring [systolic blood pressure (SBP), diastolic blood pressure (DBP) and heart rate (HR)]. UDIs were performed according to the International Continence Society guidelines. AD was defined according to the International Standards to document remaining Autonomic Function after SCI. Neurological level of SCI was determined using the American Spinal Injury Association impairment scale.
RESULTS: Mean age and duration since SCI of the 33 women were 58 ± 19 and 6 ± 11 years, respectively. Overall AD incidence was 73 % (24/33), and 19 of the 33 women (58 %) showed AD in both UDIs. The repeatability of detecting AD between the two same session UDIs was good (κ = 0.67, 95 % CI 0.4-0.94). When applying the Bland and Altman method, wide 95 % limits of agreement for differences in same session SBP, DBP and HR indicated poor repeatability. There was a significant increase in SBP (p < 0.001) and DBP (p < 0.001) and a significant decrease in HR (p = 0.007) in patients with compared to those without AD.
CONCLUSIONS: In all women with NLUTD due to suprasacral SCI, we strongly recommend continuous cardiovascular monitoring during UDI and repeat measurements considering the high incidence of AD, the relevant risks involved with sudden hypertension and the poor repeatability of cardiovascular monitoring.

Abstract

PURPOSE: To investigate autonomic dysreflexia (AD) and repeatability of cardiovascular changes during same session repeat urodynamic investigation (UDI) in women with spinal cord injury (SCI).
METHODS: Prospective investigation of 33 consecutive women with suprasacral SCI suffering from neurogenic lower urinary tract dysfunction (NLUTD) undergoing same session repeat UDI and synchronous continuous cardiovascular monitoring [systolic blood pressure (SBP), diastolic blood pressure (DBP) and heart rate (HR)]. UDIs were performed according to the International Continence Society guidelines. AD was defined according to the International Standards to document remaining Autonomic Function after SCI. Neurological level of SCI was determined using the American Spinal Injury Association impairment scale.
RESULTS: Mean age and duration since SCI of the 33 women were 58 ± 19 and 6 ± 11 years, respectively. Overall AD incidence was 73 % (24/33), and 19 of the 33 women (58 %) showed AD in both UDIs. The repeatability of detecting AD between the two same session UDIs was good (κ = 0.67, 95 % CI 0.4-0.94). When applying the Bland and Altman method, wide 95 % limits of agreement for differences in same session SBP, DBP and HR indicated poor repeatability. There was a significant increase in SBP (p < 0.001) and DBP (p < 0.001) and a significant decrease in HR (p = 0.007) in patients with compared to those without AD.
CONCLUSIONS: In all women with NLUTD due to suprasacral SCI, we strongly recommend continuous cardiovascular monitoring during UDI and repeat measurements considering the high incidence of AD, the relevant risks involved with sudden hypertension and the poor repeatability of cardiovascular monitoring.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Balgrist University Hospital, Swiss Spinal Cord Injury Center
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:2016
Deposited On:25 Nov 2015 10:00
Last Modified:05 Apr 2016 19:32
Publisher:Springer
ISSN:0724-4983
Publisher DOI:https://doi.org/10.1007/s00345-015-1589-1
PubMed ID:26055644

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