What was “hot” at the ICS annual meeting San Francisco 2009

Cartwright, Rufus; Hashim, Hashim; Chapple, Christopher R.

doi:10.1002/nau.20859

Cited by 2 publications

(1 citation statement)

References 23 publications

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“…Educational programs and certificate systems have been established in several countries, because UDS including PFS are recognized as sophisticated functional examinations that demand high expertise 3–5 . However, all urologists should know at least the basic theoretical aspects of PFS in order to interpret the results of PFS properly.…”

Section: Introductionmentioning

confidence: 99%

Bladder contractility and urethral resistance relation: What does a pressure flow study tell us?

Sekido

2012

Int J of Urology

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Abbreviations & Acronyms A = cross-sectional area AG nomogram = Abrams-Griffiths nomogram AG number = Abrams-Griffiths number BCI = bladder contractility index BOO = bladder outlet obstruction BOR = bladder output relation BPE = benign prostatic enlargement BPO = benign prostatic obstruction DAMPF = detrusor-adjusted mean passive urethral resistance relation DESD = detrusor external sphincter dyssynergia FCZ = flow rate controlling zone ICS = International Continence Society LPURR = linearized passive urethral resistance relation LUTS = lower urinary tract symptoms NB = neurogenic bladder P = pressure Pabd = abdominal pressure Pdet = detrusor pressure Pdet.iso = isovolumetric detrusor pressure during isovolumetric contraction Pdet.min.void = minimum voiding pressure PFS = pressure flow study PIP = projected isovolumetric pressure Pmuo = minimum urethral opening pressure POP = pelvic organ prolapse PURR = passive urethral resistance relation PV = prostate volume Pves = intravesical pressure Q = flow rate Qmax = maximum flow rate R = urethral energy loss UD = underactive detrusor UDS = urodynamic studies URA = group-specific resistance factor URR = urethral resistance relation vdet = velocity of shortening of the bladder circumference vest = maximum possible detrusor contraction velocity WF = Watts factor WFmax = point of the maximum value of Watts factor Abstract: Hydrodynamic analysis of a pressure flow study is the only reliable method to determine the presence or absence of a bladder outlet obstruction, especially benign prostatic obstruction. To interpret the results of pressure flow study in benign prostatic obstruction, understanding the outlines of the basic theory about evaluation of the relationship between bladder contractility and urethral resistance relation is of paramount importance. In contrast, hydrodynamic analysis of pressure flow study in conditions other than benign prostatic obstruction is complicated by the limits of theories about the hydrodynamics of the lower urinary tract. In this review, the proposed hydrodynamic theories about the relationship between bladder contractility and urethral resistance relation are outlined. Then, problems encountered in the application of hydrodynamic analysis of pressure flow study to diseases other than benign prostatic obstruction are discussed.

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Section: Introductionmentioning

confidence: 99%

Bladder contractility and urethral resistance relation: What does a pressure flow study tell us?

Sekido

2012

Int J of Urology

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Comparison of Predictive Factors for Postoperative Incontinence of Holmium Laser Enucleation of the Prostate by the Surgeons’ Experience During Learning Curve

et al. 2006

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Purpose:To detect predictive factors for postoperative incontinence following holmium laser enucleation of the prostate (HoLEP) according to surgeon experience (beginner or experienced) and preoperative clinical data.Methods:Of 224 patients, a total of 203 with available data on incontinence were investigated. The potential predictive factors for post-HoLEP incontinence included clinical factors, such as patient age, and preoperative urodynamic study results, including detrusor overactivity (DO). We also classified the surgeons performing the procedure according to their HoLEP experience: beginner (<21 cases) and experienced (≥21 cases).Results:Our statistical data showed DO was a significant predictive factor at the super-short period (the next day of catheter removal: odds ratio [OR], 3.375; P=0.000). Additionally, patient age, surgeon mentorship (inverse correlation), and prostate volume were significant predictive factors at the 1-month interval after HoLEP (OR, 1.072; P=0.004; OR, 0.251; P=0.002; and OR, 1.008; P=0.049, respectively). With regards to surgeon experience, DO and preoperative International Prostate Symptom Score (inverse) at the super-short period, and patient age and mentorship (inverse correlation) at the 1-month interval after HoLEP (OR, 3.952; P=0.002; OR, 1.084; P=0.015; and OR,1.084; P=0.015; OR, 0.358; P=0.003, respectively) were significant predictive factors for beginners, and first desire to void (FDV) at 1 month after HoLEP (OR, 1.009; P=0.012) was a significant predictive factor for experienced surgeons in multivariate analysis.Conclusions:Preoperative DO, IPSS, patient age, and surgeon mentorship were significant predictive factors of postoperative patient incontinence for beginner surgeons, while FDV was a significant predictive factors for experienced surgeons. These findings should be taken into account by surgeons performing HoLEP to maximize the patient’s quality of life with regards to urinary continence.

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What was “hot” at the ICS annual meeting San Francisco 2009

Cited by 2 publications

References 23 publications

Bladder contractility and urethral resistance relation: What does a pressure flow study tell us?

Bladder contractility and urethral resistance relation: What does a pressure flow study tell us?

Comparison of Predictive Factors for Postoperative Incontinence of Holmium Laser Enucleation of the Prostate by the Surgeons’ Experience During Learning Curve

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