Related Experiment Videos
The value of a new symptom score (DAN-PSS) in diagnosing uro-dynamic infravesical obstruction in BPH
J Schou1, A L Poulsen, J Nordling
1Urological Department, Herlev Hospital, Copenhagen, Denmark.
Introduction:
A new type of questionnaire for BPH, the DAN-PSS symptom score system, was used in an attempt to predict infravesical obstruction determined by pressure-flow study.
Patients And Methods:
In 50 consecutive patients a reliable questionnaire and a pressure-flow was obtained.
Results:
Almost none of the unobstructed patients had a total obstructed index (TOI) of more than 6, whereas this was the case in half of the obstructed patients. This difference was statistically significant.
Discussion:
This study indicates, that if the total obstructed index (TOI) is more than 6, the patient most likely have an infravesical obstruction. With this limit the DAN-PSS-score system can predict infravesical obstruction with a sensitivity of 42% and a specificity of 89%.
Conclusion:
With the new concept of combining quantity with quality in a symptom score system, a strong correlation between symptoms and objective findings has been found.