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  • 1.
    Folkestad, Bengt
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Spångberg, Anders
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Timed micturition and maximum urinary flow rate in randomly selected symptom-free males2004In: Scandinavian Journal of Urology and Nephrology, ISSN 0036-5599, E-ISSN 1651-2065, Vol. 38, no 2, p. 136-142Article in journal (Refereed)
    Abstract [en]

    Objective: To establish normal ranges for timed micturition, i.e. the time to void the first 100 ml, study its dependency on voided volume and age and compare it to maximum flow rate. Material and Methods: Randomly selected men from the National Register without voiding symptoms were investigated. These 58 men (aged 30-75 years) registered 1286 voidings (median 21 per person) at home with the aid of a portable uroflowmeter. Timed micturition and maximum flow rate were obtained from the same voidings. Results: An increase in timed micturition with an increase in age was confirmed. When estimating normal ranges it was sufficient to use the age groups ≤55 years and ≥56 years. Maximum flow rate is shown in nomograms with voided volume. Timed micturition had less dependency on voided volume than maximum flow rate. The normal ranges of timed micturition are ≤9 s for men aged ≤55 years and ≤15 s for those aged ≥56 years. The true median of timed micturition for men aged ≥56 years may be 6 s lower or 2.5 s higher than the value of a single measurement. Corresponding figures for maximum flow rate are 5 and 6 ml/s. Conclusions: Timed micturition has a low dependency on volume and values of ≤9 s and ≤15 s are normal for men aged ≤55 years and ≥56 years, respectively.

  • 2.
    Folkestad, Bengt
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Spångberg, Anders
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Validation of timed micturition: A comparison of flow rates measured at home manually and electronically2004In: Scandinavian Journal of Urology and Nephrology, ISSN 0036-5599, E-ISSN 1651-2065, Vol. 38, no 5, p. 385-390Article in journal (Refereed)
    Abstract [en]

    Objective: To compare and evaluate manually performed timed micturition in a domestic setting with registrations made using a home flowmeter. Material and Methods: Forty-six randomly selected men without voiding symptoms performed timed micturition at home both by hand and with a Da CapoTM home flowmeter. Statistical comparison using the Wilcoxon signed-rank test and regression analysis of the differences was performed to evaluate whether the two methods were comparable. Results: In two cases, there was a large discrepancy between the two methods. For the remaining 44 men, there were no statistically significant differences between the two methods. The median (range) timed micturition was 7 s (3-35 s) for manual measurements and 6.5 s (3.5-28 s) for electronic measurements. For each individual, the difference between the manually and electronically obtained medians was calculated. The average individual difference was 0.06 s (SD 1.6 s). Conclusion: Approximately 95% of men are able to measure timed micturition at home manually without statistically or clinically significant differences from electronically obtained measurements. One has to be aware that in a small proportion of cases timed micturition measured at home may be falsely long.

  • 3. Hofner, C
    et al.
    DeRiejke, Claes
    Folkestad, Bengt
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Urology. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Speakman, MJ
    Tamsulosin 0,4 mg once daily: effect on sexual function in patients with lower urinary tract symptoms suggestive of benign prostatic obstruction.1999In: European Urology, ISSN 0302-2838, E-ISSN 1873-7560, Vol. 36, p. 335-341Article in journal (Refereed)
  • 4. Kristjansson, B.
    et al.
    Carlsson, Per
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Department of Health and Society, Center for Medical Technology Assessment.
    Ahlstrand, Christer
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Folkestad, Bengt
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Spångberg, Anders
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Routine measurements of Health Outcome in Management of Patients with Benign Prostatic Hyperplasia (BPH)1998In: Outcome measuring : "outcome-measures make sense; do they make a difference?", Stockholm: Spri , 1998Chapter in book (Other academic)
  • 5.
    Spångberg, Anders
    et al.
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Folkestad, Bengt
    Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of surgery. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Urology in Östergötland.
    Kristjansson, B
    Ask, Per
    Linköping University, The Institute of Technology. Linköping University, Department of Biomedical Engineering, Physiological Measurements.
    New method to quantify the urodynamic improvement when treating bladder utlet obstruction - The efficacy of transurethral resectionin benign prostatic hypertrophy1995In: Neurology, ISSN 0028-3878, E-ISSN 1526-632X, Vol. 14, no 4, p. 325-335Article in journal (Refereed)
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