The empty bladder

Haylen, Bernard T.

doi:10.1007/s00192-006-0111-0

Cited by 16 publications

(11 citation statements)

References 16 publications

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“…5 It remains to be confirmed by future research that uterine version, as is the case with all other aspects of the uterus and adnexae, is more accurately assessed ultrasonically than clinically.…”

Section: Discussionmentioning

confidence: 90%

A standardised ultrasonic diagnosis and an accurate prevalence for the retroverted uterus in general gynaecology patients

Haylen

McNally

Ramsay

et al. 2007

Aust NZ J Obst Gynaeco

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Transvaginal ultrasound with an empty bladder is recommended as a standardised ultrasonic technique for the accurate diagnosis of the retroverted uterus. Using this method, the prevalence of the retroverted uterus in 480 general gynaecological patients attending for subspecialist gynaecological ultrasound was 18%. The anteverting effect of the full bladder required for transabdominal ultrasound reduces the prevalence of the retroverted uterus to 13% (P < 0.001).

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Section: Discussionmentioning

confidence: 90%

A standardised ultrasonic diagnosis and an accurate prevalence for the retroverted uterus in general gynaecology patients

Haylen

McNally

Ramsay

et al. 2007

Aust NZ J Obst Gynaeco

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“…When filled with fluid, the distended bladder can enlarge to 15 times its decompressed volume, 33,34 reaching a capacity of approximately 400 cc or more. 35 Visually, distention leads to an apparent thinning of the layers.…”

Section: 31mentioning

confidence: 99%

Three-dimensional, distendable bladder phantom for optical coherence tomography and white light cystoscopy

et al. 2014

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Abstract. We describe a combination of fabrication techniques and a general process to construct a threedimensional (3-D) phantom that mimics the size, macroscale structure, microscale surface topology, subsurface microstructure, optical properties, and functional characteristics of a cancerous bladder. The phantom also includes features that are recognizable in white light (i.e., the visual appearance of blood vessels), making it suitable to emulate the bladder for emerging white light þ optical coherence tomography (OCT) cystoscopies and other endoscopic procedures of large, irregularly shaped organs. The fabrication process has broad applicability and can be generalized to OCT phantoms for other tissue types or phantoms for other imaging modalities. To this end, we also enumerate the nuances of applying known fabrication techniques (e.g., spin coating) to contexts (e.g., nonplanar, 3-D shapes) that are essential to establish their generalizability and limitations. We anticipate that this phantom will be immediately useful to evaluate innovative OCT systems and software being developed for longitudinal bladder surveillance and early cancer detection. © The Authors.Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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“…A higher degree of prolapse might result in slower urine flow due to a kinking effect of the prolapse on the urethra. When the prolapse is relieved pre-operatively by either a pessary or the presence of a fuller bladder, urine flow rates tend to improve [29].…”

Section: Clinical Indications For Uroflowmetrymentioning

confidence: 99%

“…In one study, the mean MUFR was around 25% slower [19]. The exception to this is where there is a prolapse effect on voiding at low bladder volumes (extent of prolapse greater) relieved when voiding occurs from a higher bladder volume (prolapse reduced) [29].…”

Section: Other Factors Influencing Uroflowmetrymentioning

confidence: 99%

Uroflowmetry: its current clinical utility for women

2008

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Uroflowmetry, the simple, non-invasive measurement of urine flow over time during micturition, has a long and interesting history, clear definitions, a clear purpose in screening for voiding difficulty and, most importantly, technical accuracy. Data interpretation is currently limiting its clinical utility, despite appropriate analysis being available in long-standing existing research. The main clinically important numerical parameters are the maximum and average urine flow rates and the voided volume. Urine flow rates are strongly dependent on voided volume. Reference to established (Liverpool) nomograms will most accurately correct for this dependency. Nomograms will also optimise the validation of uroflowmetry data and the accurate assessment of its normality, compared with fixed urine flow rates and "cutoffs" for voided volume. Abnormally slow urine flow (under the 10th centile Liverpool Nomograms) is the most clinically significant abnormality. Repeat uroflowmetry, concomitant post-void residual measurement and voiding cystometry studies are appropriate options for evaluating any abnormal uroflowmetry.

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The empty bladder

Cited by 16 publications

References 16 publications

A standardised ultrasonic diagnosis and an accurate prevalence for the retroverted uterus in general gynaecology patients

A standardised ultrasonic diagnosis and an accurate prevalence for the retroverted uterus in general gynaecology patients

Three-dimensional, distendable bladder phantom for optical coherence tomography and white light cystoscopy

Uroflowmetry: its current clinical utility for women

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