The Reproducibility Of Urodynamic Studies Of Neurogenic Bladders In Spinal Cord Injury

Objective: To evaluate the reproducibility (test-retest reliability) of urodynamic studies in neurogenic bladders of subjects with spinal cord injuries (SCI). Design: Retrospective case series. Setting: Urology department of a major rehabilitation center. Subjects: Fifty individuals with SCI who had...

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Bibliographic Details
Published in:The journal of spinal cord medicine 2000-01, Vol.23 (4), p.276-283
Main Authors: Ho, Chester, Linsenmeyer, Todd, Millis, Scott
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Compliance
Diagnostic Techniques, Urological
Female
Humans
Male
Middle Aged
Muscle Contraction - physiology
Neurogenic bladder
Reproducibility
Reproducibility of Results
Retrospective Studies
Spinal Cord Injuries - complications
Spinal Cord Injuries - physiopathology
Spinal cord injury
Urinary Bladder, Neurogenic - etiology
Urinary Bladder, Neurogenic - physiopathology
Urodynamics
Urodynamics - physiology
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Summary:Objective: To evaluate the reproducibility (test-retest reliability) of urodynamic studies in neurogenic bladders of subjects with spinal cord injuries (SCI). Design: Retrospective case series. Setting: Urology department of a major rehabilitation center. Subjects: Fifty individuals with SCI who had urodynamic studies performed from February 2000 to April 2000. Main outcome measures: Two trials (Time 1 and Time 2) of urodynamic studies done 5 minutes apart, with the following collected: bladder volume at first sensation, maximum cystometric capacity, presence of uninhib ited contractions, opening pressure, maximum detrusor pressure, duration of bladder contraction, volume voided, and post-void residual (PVR) volume. The corresponding data were then compared. Statistical analysis was performed using the Lin's concordance correlation coefficient and kappa. Results: Analysis of the data showed statistically significant levels of agreement between Time 1 and Time 2 with regard to the various corresponding parameters for both the filling and voiding phases. For 3 of the most important parameters-the opening pressure, maximum detrusor pressure, and duration of contraction-the Lin's concordance correlation coefficient (r c ) was .86 (95% Cl, .78-.95; ρ < .0005), .91 (95% Cl, .86-.96; ρ < .0005), and .97 (95% Cl, .95 -.99, ρ < .0005), respectively. Conclusion: The study demonstrates good short-term intrasubject reproducibility of urodynamic studies in individuals with SCI.
ISSN:1079-0268
2045-7723
DOI:10.1080/10790268.2000.11753537