Imaging urodynamic characteristics of lower urinary tract dysfunction in young male / 现代泌尿外科杂志

【Objective】 To analyze the results, characteristics and clinical value of video urodynamic study (VUD) of lower urinary tract symptoms (LUTS) in young male. 【Methods】 A total of 106 young male LUTS patients (18-45 years old) who received VUD in our hospital during Jan.2016 and Sep.2021 were collected to analyze the clinical and imaging urodynamic characteristics. 【Results】 Of the 106 patients, 55 (52.44%) had neurogenic lower urinary tract dysfunction (NLUTD)with clear neurological etiology, and 51 (48%) had non-neurogenic lower urinary tract dysfunction (NNLUTD). In NLUTD patients, dysuria was the most common symptom (76.74%); lumbosacral lesions were the main cause (76.36%); imaging urodynamics indicated weakening of detrusor muscle in different degrees. In NNLUTD patients,the main symptoms were frequent urination (48.72%) and dysuria (48.72%); about 58.97% of patients had two or more LUTS, and the main diagnosis was detrusor underactivity (DU)(35.90%). 【Conclusion】 NLUTD in young male is characterized by varying degrees of detrusor muscle weakness, detrusor sphincter dyscoordination, and decreased bladder compliance. NNLUTD is mostly caused by detrusor overactivity (DO) and DU.

Role of urodynamics in evaluation of lower urinary tract dysfunction in women of pelvic organ prolapse

Background: Utero-vaginal prolapse is a common gynecological disorder, result from weakness of musculoskeletal structure that support the pelvic organ. Although it is not an emergency situation but severely affect the quality of life. Women with utero-vaginal prolapse may present with lower urinary tract dysfunction but association of urological changes with UV prolapse and beneficial effect of surgery on these changes is still debatable. Urodynamic study such as cystometry and uroflowmetry help in better understanding of lower urinary tract dysfunction and assist to plan appropriate surgical management thereby reduce chances of postoperative voiding dysfunction.Methods: A total of 30 women of pelvic organ prolapse with lower urinary tract dysfunction, over a period of one year, were subjected to urodynamic studies after thorough evaluation by history, examination and standardized questionnaire both pre and post operatively and data analysed.Results: In present study, urodynamic study identified urinary dysfunction in 93.34% of women recruited in study. Obstruction was present in 36.67% of women. Detrusor overactivity along with obstruction was seen in 20.00% of women. Urodynamic stress incontinence and urodynamic stress incontinence along with obstruction was identified in 13.33% of women each and detrusor overactivity was observed in 10.00% of women.Conclusions: In present study it was found that, if surgical management of pelvic organ prolapse is planned according to urodynamic study, it will improve urologic profile of patients. To conclude that urodynamic study should be an integral part of diagnostic work up of uterovaginal prolapse patients require larger sample size and at least 6 months follow-up duration after surgery.

Catheter induced hypospadias, urethral trauma and penile abscess in completely recoverable neurological afflictions: preventable entities

Background: Catheter associated complications are very common in the emergency departments of medicine, general surgery, orthopaedics and in community. They mostly occur in patients with neurological afflictions because of inexperience of the first handlers as they lack the insight of altered physiology and anatomy in the lower urinary tract because of neurological lesions and also because of an inadequate advice at the time of discharge regarding the catheter care. Objectives of this study were to find the prevalence of per-urethral catheter associated injuries in patients with neurological lesions in a tertiary care centre of south-eastern Punjab and their prevention in completely recoverable neurological afflictions.Methods: This is a cross-sectional observational study conducted in urology department from 1st August 2017-31st August 2018. The data was taken from medicine, general surgery and orthopedic emergency departments. A total of 82 patients were taken from 19-78 years and 49 patients had per-urethral catheter placement. Analysis was done using Statistical Program of Special Sciences, version 20.Results: It was observed that overall neurological lesions are more common in males (80.48%) as compared to females (19.51%) and distributed over an age range of 19-84 years in both sexes. Out of total patients, 59.75% required per urethral catheterization. The prevalence of per-urethral catheter associated complications was 20.40%.Conclusions: Insertion of per-urethral catheter is a simple procedure but an error of omission on the part of health professionals’ results in a serious complication in a neurological patient. Proper insertion technique and catheter care are to be followed to prevent avoidable complications in this subset of patients.

A Clinical Study on Correlation of Non-Invasive Diagnostic Tests in Evaluation and Management of Patients with Symptomatic Benign Prostatic Hyperplasia

Introduction: The gold standard for diagnosing bladderoutlet obstruction is pressure flow study but it is associatedwith side effects of high cost, invasiveness, infection, limitedavailability. So non invasive diagnostic tests becomes a goodoption. The diagnostic accuracy of these non invasive tests,however, remains uncertain. So this study was conductedto know the role of non invasive diagnostic tests likeInternational prostate symptom score (IPSS), Uroflowmetry(UFR), prostate volume, bladder wall thickness, post voidresidual urine in symptomatic patients with BPH in theirevaluation and in the planning of management.Material and methods: The present study included 108 malepatients above 50 years suffering from symptomatic BPH whoattended urology OPD at SVIMS, Tirupati. IPSS, Urinaryflow rates, bladder wall thickness, prostate volume, post voidresidual urine and urodynamic study have been recorded inthese patients at the time of enrollment into study.Results: One hundred and eight men between 50 – 79 years ofage with mean age of 62.4 years participated in this study. Allthe patients were divided into two groups as either obstructedor un obstructed based on Abraham – Griffith numbercalculated from the urodynamic study. Bladder wall thickness,Q max, Post void residual urine and prostate volume allhad statistically significant values between obstructed andun obstructed patients. However, there was no statisticalsignificant differences between age, IPSS in both the groupsConclusion: This study shows that in a subset of patientswith BPH with predefined inclusion and exclusion criteria,it should be possible to define obstruction with simple noninvasive parameters, without using invasive pressure flowstudy

National Trend of Uroflowmetry, Urodynamic Study and Cystoscopy Considering the Change in the Population Structure in Korea from 2010 to 2015

BACKGROUND: Although lower urinary tract symptoms (LUTS) show a higher prevalence with age, few studies have reported the trend of these examination tools including uroflowmetry, urodynamic study and cystoscopy. METHODS: We evaluated the trend of performance of uroflowmetry, urodynamic study and cystoscopy by using National Health Insurance Data from 2010 to 2015. Primary outcome findings included cumulative number of patients per year, cumulative age-standardized patient rate per year and per age group, and correlation between the number of patients per year and the percentage of population per year in each age group. RESULTS: The overall trend for frequency of uroflowmetry and cystoscopy showed an increasing pattern (P < 0.001, respectively) while the trend for frequency of urodynamic study showed a decreasing pattern (P < 0.001). After age standardization, the overall trend showed similar results. Correlation between the number of patients per year and the percentage of population per year showed a positive correlation in the 50s age group and the above 70s age group (P = 0.003 and < 0.01, respectively) on uroflowmetry and in the above 70s age group (P < 0.01) on cystoscopy. Urodynamic study showed negative correlations in the 50s age group and the above 60s age group (P = 0.001 and 0.01, respectively). CONCLUSION: National trend for frequency of uroflowmetry, urodynamic study and cystoscopy showed a different trend. The increasing trend of uroflowmetry and cystoscopy was related with growth of the aged population. However, urodynamic study showed a decreasing trend regardless of the age group.

Incidence of Bacteriuria after Urodynamic Study with or without Antibiotic Prophylaxis in Women with Urinary Incontinence / Incidência de bacteriúria após estudo urodinâmico com ou sem profilaxia antibiótica em mulheres com incontinência urinária

Abstract Introduction The presence of bacteria in urine is called bacteriuria, which may be symptomatic or asymptomatic. The manipulation of the urinary tract during urodynamic study (UDS), which is an invasive procedure, can result in urinary tract infection (UTI). Studies on the use of prophylactic antibiotics for UDSs are contradictory. Some investigators concluded that they were valuable and others did not. The objective of this study is to evaluate the efficacy of antibiotic prophylaxis before UDS. This is a placebo-control randomized double-blind study. Methods Two-hundred and seventeen women affected by urinary incontinence were eligible for this study. All patients had presented negative urine culture previous to the UDS. They were randomized in four groups: group A received placebo, group B received 500 mg of levofloxacin, group C received 80 mg trimethoprim and 400 mg sulfamethoxazole and group D received 100 mg of nitrofurantoin. A urine culture was performed 14 days after the UDS. Results We observed asymptomatic bacteriuria after the UDS in five patients in group A, one in group B, one in group C and one in group D. Only one patient on group A had symptomatic bacteriuria.We didn't observe statistical difference between the groups. When we recategorized the patients in two groups, the incidence of bacteriuria was significantly higher in the placebo group compared with the antibiotic group. Conclusion The conclusion is that antibiotic prophylaxis before the UDS did not reduce the incidence of UTI in women within the target population.

Resumo Introdução A presença de bactéria na urina é denominada bacteriúria, que pode ser sintomática ou assintomática. A manipulação do trato urinário pelo estudo urodinâmico (EUD), que é um procedimento invasivo, pode resultar em infecção do trato urinário (ITU). Os estudos sobre o uso de profilaxia antibiótica para EUD são contraditórios. Alguns investigadores concluíram que era necessário e outros não. O objetivo deste estudo é avaliar a eficácia da antibióticoprofilaxia antes da realização do EUD. Trata-se de um estudo randomizado duplo-cego. Métodos Duzentas e dezessete mulheres comqueixa de incontinência urinária foram recrutadas para este estudo. Todas as pacientes apresentaram urocultura negativa antes do EUD. As pacientes foram randomizadas em quatro grupos: o grupo A recebeu placebo, o grupo B recebeu 500 mg de levofloxacina, o grupo C recebeu 80 mg de trimetoprim e 400 mg de sulfametoxazol e o grupo D recebeu 100 mg de nitrofurantoína. Uma urocultura foi realizada 14 dias após o EUD. Resultados Observamos bacteriúria assintomática após o EUD em cinco pacientes do grupo A, uma no grupo B, uma no grupo C e uma no grupo D. Apenas uma paciente do grupo A apresentou bacteriúria sintomática. Não observamos diferença estatística entre os grupos. Quando recategorizamos as pacientes em dois grupos, a incidência de bacteriúria foi significativamentemaior no grupo placebo emcomparação como grupo antibiótico. Conclusão A conclusão deste estudo é que a antibióticoprofilaxia antes do EUD não reduz a incidência de ITU nesse grupo de mulheres.

A case of urinary tract infection caused by Raoultella planticola after a urodynamic study

Abstract Here we report the case of a patient who developed urinary tract infection after a urodynamic study. The causative agent was Raoultella planticola, a rare opportunistic pathogen that usually invades immunocompromised patients. While a urinary tract infection with R. planticola has been previously described, this is the first report in which an R. planticola infection developed after a urodynamic study. We postulate that the mechanism of infection was direct invasion of the urinary tract from contaminated urodynamic study equipment. Here, we discuss the role played by isotonic solutions in facilitating bacterial reproduction.

Cirugía antiincontinencia en mujeres posmenopáusicas / Anti-incontinence surgery in postmenopausal women

RESUMEN OBJETIVO: comparar la tasa de curación subjetiva y objetiva en mujeres posmenopáusicas después de habérseles realizado cirugía antiincontinencia. MATERIALES Y MÉTODOS: estudio de cohorte, retrospectivo, comparativo, efectuado en pacientes del Instituto Nacional de Perinatología Isidro Espinosa de los Reyes atendidas entre enero de 2009 y diciembre de 2011. Criterios de inclusión: haber sido intervenidas quirúrgicamente para antiincontinencia. Grupo I: menores de 45 años (n=50); grupo II: 45-65 años (n=109); grupo III: mayores de 65 años (n=8). Variables de estudio: curación subjetiva (síntoma) y objetiva (prueba de la tos y estudio de urodinamia). Se analizaron los resultados quirúrgicos, postquirúrgicos y estudio de urodinamia, con estadística descriptiva y análisis bivariado con χ2 y t-Student. RESULTADOS: se estudiaron 167 pacientes con los siguientes resultados: curación subjetiva: 82% en el grupo I y 80.7% en el grupo II, y 100% en el grupo III, con p= no significativa. La curación objetiva se consiguió en: 90% de las pacientes del grupo I, 92.6 del grupo II y 50% en el grupo III, con p no significativa. La cirugía antiincontinencia efectuada fue por vía transobturadora en 52% del grupo I y 48.6% en el grupo II, y vía retropúbica (62.5%) en el grupo III. La estancia hospitalaria fue mayor en el grupo III, de 3 días, con p=0.018. Los cambios en la presión máxima de cierre uretral para el grupo I fueron de 48.8 cmH2O a 43.6 cmH2O, en el grupo II de 46.1 cmH2O a 45.8 cmH2O y en el grupo III de 38.1 cmH2O a 31 cmH2O, valores pre y posquirúrgicos en todos los grupos (p<0.005). CONCLUSIONES: a pesar de la disminución en la curación subjetiva, mayor morbilidad y menor presión máxima de cierre uretral en mujeres mayores de 65 años no existió diferencia clínica en la evolución.

ABSTRACT OBJECTIVE: Compared the rates of objective and subjective cure, in menopause female after incontinence procedures. MATERIALS AND METHODS: Retrospective study, between January 2009 and December 2011, 167 female patients with urinary incontinence who underwent a incontinence procedure, where divided in 3 groups: Group I: under 45 years (n=50), Group II: 45 to 65 years (n=109), Group III: up 65 years (n=8). The sequential outcomes and urodynamic findings were comparing and analyzed. RESULTS: The rates of subjective cure was 82% and 80.7% in Group I and II, 100% in Group 3, p=NS. The rates of objective cure was 90%, 92.6% and 50%, for each group p=NS. The transobturator procedure was the most done in group I and II, 52% and 48.6%, and retropubic procedure in group III 62.5%. The length of hospital stay (3 days) in Group III, p=0.018. The significant lower postoperative maximal urethral closure pressure in all groups, Group I was 48.8 cmH2O to 43.6 cmH2O, Group II was 46.1 cmH2O to 45.8 cmH2O and Group III was 38.1 cmH2O to 31 cmH2O, (p<0.005) CONCLUSION: Despite the decrease in subjective cure, higher morbidity and lower maximum urethral closure pressure in women older than 65 years, there was no clinical difference in the evolution.

The characters of lower urinary tract symptoms in patients with Parkinson's disease / 中华泌尿外科杂志

Objective To explore the characters of lower urinary tract symptoms (LUTS) in patients with Parkinson's Disease (PD).Methods From Oct 2013 to Jun 2016,after evaluating of movement disorder by modified Hoehn-Yahr(H-Y) scale and LUTS by international prostate symptom score (IPSS),urodynamic study was performed in PD patients with LUTS.The incidence of every symptom of LUTS,the relationships between the IPSS categories and urodynamic study were analyzed.Results 64 patients (containing 26 male and 38 female) with 40-80 (62.7 ± 10.2) years old were included.2,4,30,19,12 and 6 patients were belonged to modified H-Y scale 1-4,respectively.Frequency (50 patients,78.1％) was the most common LUTS,while frequency all day (20 patients,31.3％) was the most common symptom for the most severe LUTS.IPSS was 1 7.5 ± 7.8 (4-35) and quality of life was 5.1 ± 0.6 (4-6) for the patients.There was no significant correlation between modified H-Y scale and IPSS (P ＞ 0.05).According to the criteria of IPSS,28 patients (43.8％) only had irritative symptoms,3 patients (4.7％) only had obstructive symptoms,while 26 patients (40.6％) had mixed symptoms and 7 patients (10.9％) belonged to no one.Urodynamic study showed 11 patients (39.3％) with only irritative symptoms had detrusor overactivity(DO),6 patients (23.1％) with mixed symptoms had DO + bladder outlet obstruction (BOO) or DO + detrusor underactivity,however,there was no one with BOO in the three patients with only obstructive symptoms.Conclusion Frequency was the most common LUTS,while frequency all day was the most common symptom for the most severe LUTS in PD patients.Irritative and mixed symptoms were common in PD patients with LUTS,but the urodynamic results were not consistent with the category of LUTS in most of the patients.LUTS severity was not correlated with movement disorders in PD patients.

Study progress of diagnosis of overactive bladder in children / 中华实用儿科临床杂志

Overactive bladder(OAB) is a clinical syndrome which mainly defined by urinary urgency,and it is mainly diagnosed by clinical manifestations.The pathophysiological mechanisms include detrusor overactive,urethral instability and other neurological or psychiatric factors.Obviously,the dysfunction of detrusor and urethral sphincter can not be diagnosed accurately that consequently affects the treatment significantly by clinical symptoms.Recently,the urodynamic evaluation is recommended for more precise diagnose of OAB.In addition,it has been reported that urinary nerve growth factor and autonomic nervous system function could be used to diagnose OAB in children.The updated techniques diagnosis of OAB in children are summarized in this review.

Surface functional electrical stimulation combined with electroacupuncture in treating neurogenic bladder after the spinal cord injury / 中华物理医学与康复杂志

Objective To observe the therapeutic effect of surface functional electrical stimulation combined with electroacupuncture on neurogenic bladder after the spinal cord injury.Methods Forty cases of neurogenic bladder after the spinal cord injury were randomly divided into a control group (n =20) and a combination group (n =20).The combination group was treated with surface functional electrical stimulation combined with electroacupuncture on the basis of internal urethral catheterization,while the control group was treated with surface functional electrical stimulation on the basis of internal urethral catheterization.The bladder urination was tested using urodynamic study before and after two months of treatment.Results There was no significant difference between the 2 groups in the average maximum bladder capacity,detrusor pressure at filling time,maximal urethral closure pressure,maximum urine flow rate and residual urine volume before the treatment.After the treatment,however,the average maximum bladder capacity,maximal urethral closure pressure and maximum urine flow rate in the combination group were significantly higher than those of the control group,while the average detrusor pressure at filling time and the residual urine volume of the combination group were significantly lower than the control group.Conclusion Surface functional electrical stimulation combined with electroacupuncture could remarkably improve bladder function of patients with the neurogenic bladder after the spinal cord injury.

Various types of total laparoscopic nerve-sparing radical hysterectomies and their effects on bladder function / 부인종양

OBJECTIVE: This study was conducted to ascertain the correlation between preserved pelvic nerve networks and bladder function after laparoscopic nerve-sparing radical hysterectomy. METHODS: Between 2009 and 2011, 53 patients underwent total laparoscopic radical hysterectomies. They were categorized into groups A, B, and C based on the status of preserved pelvic nerve networks: complete preservation of the pelvic nerve plexus (group A, 27 cases); partial preservation (group B, 13 cases); and complete sacrifice (group C, 13 cases). To evaluate bladder function, urodynamic studies were conducted preoperatively and postoperatively at 1, 3, 6, and 12 months after surgery. RESULTS: No significant difference in sensory function was found between groups A and B. However, the sensory function of group C was significantly lower than that of the other groups. Group A had significantly better motor function than groups B and C. No significant difference in motor function was found between groups B and C. Results showed that the sensory nerve is distributed predominantly at the dorsal half of the pelvic nerve networks, but the motor nerve is predominantly distributed at the ventral half. CONCLUSION: Various types of total laparoscopic nerve-sparing radical hysterectomies can be tailored to patients with cervical carcinomas.

Evaluation of bladder dysfunction in children with congenital vesical ureteral reflux through videourodynamic examination / 中华实用儿科临床杂志

Objective To explore the relationship between congenital vesical ureteral reflux(VUR) and bladder dysfunction in children through videourodynamic examination.Methods Sixty-seven children with congenital VUR in the First Affiliated Hospital of Zhengzhou University from Apr.2011 to Jul.2013 were included,and their clinical information of urnary tract infection,detrusor activity,dysfunctional voiding and grade of VUR were recorded.All the children were categorized as normal,isolated detrusor overactivity (DO)and dysfunctional voiding (DV) (with or without DO) according to the manifestation of urodynamic patterns,who were also divided into groups of low grade (Ⅰ-Ⅱ) VUR or high grade (Ⅲ-Ⅴ) VUR.Data of video-urodynamic examination,urinalysis,and voiding cystourethrogram were collected to investigate the relationship between bladder dysfunction,sides and grade of VUR and urinary tract infection.Results Totally 73.1％ (49/67 cases) of children with VUR were found having bladder dysfunction,which consisted of 49.3％ (33/49 cases) of DO,23.8％ (16/49 cases) of DV.Children with isolated DO tended to manifest unilateral,low grade reflux (grade Ⅰ-Ⅱ) with less urinary infection.However,children with DV,isolated or combined with DO manifest bilateral,high grade reflux(grade Ⅲ-Ⅳ),and often with urinary infection.Conclusions Video urodynamic study is useful for evaluation of bladder function in children with VUR,which is important in management of VUR.

The significance and factors related to bladder outlet obstruction in pelvic floor dysfunction in preoperative urodynamic studies: A retrospective cohort study

OBJECTIVE: To demonstrate the significance of bladder outlet obstruction (BOO) in preoperative urodynamic studies (UDS) in women who have been diagnosed with pelvic floor dysfunction including pelvic organ prolapsed (POP) and stress urinary incontinence (SUI). METHODS: The medical records of 150 patients with pelvic floor dysfunction who underwent preoperative UDS at Yonsei University Health System from 2006 to 2012 were reviewed. Under the criteria of BOO, as a maximal flow rate in free-flow study (Qmax) less than 12 mL/sec and a detrusor pressure at Qmax in pressure-flow study (PdetQmax) higher than 20 cmH2O in UDS, they were divided into two groups: a group of 50 patients with BOO and a group of 100 patients without BOO. Comparisons were made between the patients with and without BOO in preoperative UDS. RESULTS: In the POP-with-SUI group, 25 patients with BOO had lower mean Qmax (10.0 vs. 25.4 mL/sec, P < 0.001), higher PdetQmax (49.6 vs. 21.5 cmH2O, P < 0.001), lower maximum cystometric capacity (422.7 vs. 454.0 mL, P = 0.007), and higher postvoidal residual volume (44.3 vs. 21.1 mL, P = 0.021) than the patients without BOO. In the SUI-only group, the mean Qmax was significantly lower in the 25 patients with BOO (9.4 vs. 25.4 mL/sec, P < 0.001). The mean PdetQmax was significantly higher with BOO (39.6 vs. 25.4 cmH2O, P = 0.004). In the univariate analyses, menopause, maximum cystometric capacity, and cystoscopic bladder trabeculation were associated with BOO. CONCLUSION: In the univariate analysis, menopause, MCC and cystoscopic bladder trabeculation were associated with BOO. In the multivariate model, however, no significant association with BOO was found.

Progress in diagnosis and treatment of eosinophilic cystitis in children / 中华实用儿科临床杂志

Eosinophilic cystitis(EC) is a kind of bladder proliferation disease and rather rare in children.The pathological character shows invasion of huge amounts of eosinophil granulocytes in the total bladder wall.Although it has unknown etiology,but it is widely believed to be involved in allergy.It can appear at any age with a higher incidence in male.Since it was first reported in 1960,there are a total of more than 300 patients reported,about 70 of them are children.The major clinical manifestations are urinary frequency,suprapubic pain during miction,gross or microscopic hematuria,dysuria,nocturia and so forth.Some patients with increased eosinophils in the peripheral blood.It is essential to examine blood routine,urine routine,imaging tests and cystoscopy and defining diagnosis depends on histopathologic biopsy.The self-limiting of EC in children is much stronger.The main therapies for EC are application of corticosteroids,antihistamines and so forth,while feasible operation should be treated when severe complications appear or the disease progress.

Effects of Level of Consciousness on Urodynamic Procedure in Female Cats

Urodynamic evaluation is an invasive and uncomfortable procedure that can cause physical distress and is difficult to perform in uncooperative patients. The aim of this study was to evaluate the effects of consciousness on urodynamic evaluation in an animal model. Repeated cystometry, electromyogram, and measurement of serum cortisol concentrations were performed in female cats under conscious (CON), conscious sedation (CS) and deep anesthesia (DA) conditions. Urodynamic evaluation showed that there were no statistical differences in maximum detrusor pressure or bladder capacity observed among the three conditions. Under the DA condition, but not the CON and CS conditions, bladder contraction was accompanied by an un-relaxed anal sphincter. Residue urine volume significantly increased in the DA condition compared to the CON and CS conditions. The levels of serum cortisol significantly increased after performing urodynamic evaluation under the CON condition, whereas these levels were not significantly increased under the CS and DA conditions. This study showed that conscious sedation has no adverse effects on the urodynamic variables, and that it significantly reduces distress in cats undergoing the examination. These results may provide novel insights for performing urodynamic studies in uncooperative patients.

Urodynamic Characterization of Postmenopausal Women with Stress Urinary Incontinence: Retrospective Study in Incontinent Pre- and Post-menopausal Women / 대한폐경학회지

OBJECTIVES: To compare the urodynamic characteristics between pre- and post-menopausal women with stress urinary incontinence. METHODS: Forty premenopausal women and 44 postmenopausal women with stress urinary incontinenece were enrolled. All of the patients underwent a detailed history, gynaecologic examination, urinalysis and urodynamics including cystometry and pressure-flow analysis. RESULTS: There was no difference in the body mass index between the two groups. The mean age of pre- and post-menopausal women was 40.9 +/- 6.4 years and 62.1 +/- 9.4 years, respectively. The parity in postmenopausal women was greater than premenopausal women (2.8 +/- 1.2 vs 2.2 +/- 0.8, P = 0.026). The valsalva leak point pressure (VLPP) in postmenopausal women was lower than that in premenopausal women (106.4 +/- 30.3 vs 88.2 +/- 25.1 cmH2O, P = 0.04). The maximal urethral closure pressure (MUCP) in postmenopausal women was lower than premenopausal women (44.9 +/- 21.4 vs 77.4 +/- 32.2 cmH2O, P < 0.001). The functional urethral length (FUL) in postmenopausal women was shorter than it in premenopausal women (29.0 +/- 9.7 vs 37.0 +/- 10.9 mm, P = 0.003). There were no significant statistical differences in maximal flow rate, residual urine, maximal bladder capacity and Q tip test. CONCLUSION: The VLPP and MUCP were lower, and the FUL was shorter in postmenopausal women with stress urinary incontinence than premenopausal women. The parity and number of vaginal deliveries were different between the two groups. Further investigation will be needed concerning these variables.

Human Cord Blood Stem Cell Therapy for Treatment of Stress Urinary Incontinence

Our objective in this study was to evaluate the safety and efficacy of transurethral cord blood stem cell injection for treatment of stress urinary incontinence in women. Between July 2005 and July 2006, 39 women underwent transurethral umbilical cord blood stem cell injection performed by one operator at a single hospital. All patients had stress urinary incontinence. The patients were evaluated 1, 3, and 12 months postoperatively. No postoperative complications were observed. 28 patients (77.8%) were more than 50% satisfied according to the Patient's Satisfaction results after 1 month, 29 patients (83%) were more than 50% satisfied according to the Patient's Satisfaction results after 3 months, and 26 (72.2%) continuously showed more than 50% improvement after 12 months. Intrinsic sphincter deficiency and mixed stress incontinency improved in the ten patients evaluated by urodynamic study. Our results suggest that transurethral umbilical cord blood stem cell injection is an effective treatment for women with all types of stress urinary incontinence.

Availability of a Newly Devised Ambulatory Urodynamic System in Spinal Cord Injury

OBJECTIVE: To introduce and evaluate the availability of a newly devised ambulatory urodynamic system using the abdominal EMG (electromyography) method instead of the rectal catheter in measuring the abdominal pressure, and to compare with conventional urodynamic system in patients with spinal cord injury. METHOD: We examined 15 hospitalized subjects with spinal cord injury. Patients were investigated by conventional urodynamics in an examination room, and followed by ambulatory urodynamics in a ward. We used the abdominal EMG and the rectal catheter for the abdominal pressure in the study. We measured urodynamic parameters : volumes of sensations in bladder filling, peak P(det)(detrusor pressure) during filling, maximal P(det) during voiding, bladder capacity, compliance and duration of filling. RESULTS: There was no significant statistic difference in the parameters between the conventional and the ambulatory urodynamics. There were strong correlations between the parameters measured by the rectal catheter and the abdominal EMG in the ambulatory system and between the parameters in the conventional system and in the ambulatory system. CONCLUSION: There were strong correlation and no significant statistic differences in the parameters between the ambulatory system using abdominal EMG method and the conventional system. Therefore, we suggest that the newly devised ambulatory urodynamic system using abdominal EMG method can be used instead of the conventional non-ambulatory system and the conventional ambulatory system.

Evaluación urodinámica de la incontinencia urinaria después de prostatectomía radical: [revisión] / Urodinamic evaluation after radical prostatectomy

El estudio de la incontinencia urinaria después de prostatectomía radical (IUPR) debe basarse en el reporte del propio paciente en una evaluación realizada por una tercera persona y debe incluir el tiempo transcurrido después de la cirugía. Los estudios poblacionales suelen reportar frecuencias mayores que aquellas de centros de referencia. El estudio urodinámico de la IUPR incluye la evaluación de: A) la disfunción esfinteriana a través de las mediciones de la presión de punto de escape con Valsalva y del perfil de presión uretral; B) la disfunción vesical a través de la cistometría de llene, cuyo objetivo es demostrar la existencia de detrusor hiperactivo o acomodación vesical disminuida; y C) la incontinencia de orina por rebosamiento (ya sea por obstrucción o alteración de la contracción del detrusor) a través del análisis del estudio flujo – presión de la micción. Se analizan estudios de pacientes con IUPR con urodinamia realizada al menos 6 meses después de la cirugía, cuyas diferentes metodologías deben considerarse en la interpretación de los resultados. La incontinencia urinaria de esfuerzo está presente en entre 60 por ciento y 100 por ciento de los pacientes analizados (8 por ciento a 71 por ciento como hallazgo exclusivo). La frecuencia de detrusor hiperactivo varía entre 19 por ciento y 92 por ciento de los casos (0,7 por ciento a 40 por ciento como alteración única); pocos estudios informan su presencia como causa efectiva de incontinencia urinaria, lo que ocurre en entre 7,2 por ciento y 27 por ciento de los casos. La acomodación disminuida se describe enun amplio rango de entre 1,7 por ciento y 56 por ciento de los pacientes. Pocos estudios informan disminución de la contractilidad del detrusor la cual varía en entre 29 por ciento y 33 por ciento de los casos, y obstrucción a la salida dela vejiga la que puede existir en hasta 21 por ciento de los pacientes.

The assessment of urinary incontinence after radical prostatectomy (UIRP) must be based on the patient’s own report on an evaluation by a third person and also include the time elapsed after surgery. The population studies often report higher frequencies than those of reference centers. The UIRP urodynamic study includes evaluation of A) the sphincter dysfunction through measurement of the Valsalva leak point pressure and urethral pressure profile, B) the bladder dysfunction by filling cystometry, which aims to demonstrate the existence of detrusor overactivity or impaired compliance and C) the overflow incontinence (either by obstruction or impaired detrusor contraction) through analysis of the pressure – flow study of urination. We analyze a selection of studies of patients with UIRP in which the urodynamic study was conducted at least 6 months after surgery, which use different methodologies that should be considered in the interpretation of the results. Stress urinary incontinence is present in between 60 percent and 100 percent of tested patients (8 percent to 71 percent as an exclusive finding). The frequency of detrusor overactivity varies between 19 percent and 92 percent of the cases (0.7 percent to 40 percent as a single alteration); few studies report its presence as an effective cause of urinary incontinence, which occurs in between 7,2 percent and 27 percent of the cases. The decreased compliance is described in a wide range of between 1,7 percent and 56 percent of the patients. Few studies report decreased detrusor contractility which varies between 29 percent and 33 percent of the cases, and bladder outlet obstruction which can exist in up to21 percent of the patients.