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PubMed1997

Pad weighing tests: the best way to quantify urine loss in patients with incontinence.

This article reviews the literature on pad weighing tests composed to measure urinary incontinence. The tests can be divided into short-term tests (one to two hours) performed in a clinic or laboratory, or long-term tests (12 to 48 hours) performed by the patient at home. The short-term tests, apart from practical disadvantages, have low negative predictive value and require retrograde filling of the bladder to reach acceptable reproducibility. The long-term tests have practical advantages, better sensitivity and acceptable reproducibility. Pad weighing tests have no value for the purpose of differential diagnosis. The validity of the long-term test as a measure of the symptom of urinary incontinence is obvious whereas it is unclear what the short-term test measures.

Female↗
PubMed2000

Long-term urinary toxicity after 3-dimensional conformal radiotherapy for prostate cancer in patients with prior history of transurethral resection.

PURPOSE: To report on the long-term urinary morbidity among prostate cancer patients with a prior history of a transurethral resection of the prostate (TURP) treated with high-dose 3-dimensional conformal radiotherapy (3D-CRT). METHODS AND MATERIALS: Between 1988 and 1997, 1100 patients with clinically localized prostate cancer were treated with 3D-CRT. Of these, 120 patients (8%) were identified as having had a prior TURP and are the subjects of this analysis. The median age was 71 years (range: 49-83 years). The clinical stages of the patients were T1c: 33 (28%); T2a: 38 (32%); T2b: 15 (13%); and T3: 34 (27%). Neoadjuvant androgen ablation therapy was given to 39 (33%). The median radiation dose prescribed to the planning target volume was 75.6 Gy (range: 64.8-81 Gy). The median elapsed time from TURP to initiation of 3D-CRT was 69 months (range: 4-360 months). The median follow-up time was 51 months (range: 18-109 months). RESULTS: Five patients of the 120 with a prior history of TURP (4%) developed a urethral stricture after 3D-CRT which was corrected with dilatation. The 5-year actuarial likelihood of >/= Grade 2 late urinary toxicities was 9%. No Grade 4 urinary toxicities were observed in this group of patients. Among 110 patients who were completely continent of urine prior to 3D-CRT, 10 (9%) developed stress incontinence requiring 1 pad daily for protection or experienced occasional leakage (not requiring pad protection). The 5-year incidence of >/= Grade 1 stress incontinence was 18% in patients who developed acute >/= Grade 2 GU symptoms during the course of 3D-CRT compared to 7% for patients who experienced Grade 1 or no acute urinary symptoms (p = 0.05). The radiation dose (>/=75.6 Gy vs. <75.6 Gy), the number of prior TURP procedures, or the volume of resected tissue at the time of TURP had no significant impact on the long-term urinary morbidity outcome. A multivariate analysis demonstrated that the presence of Grade 2 acute urinary symptoms was the only predictor of >/= Grade 1 stress incontinence after 3D-CRT in this group of patients. CONCLUSIONS: Despite prior TURP, the incidence of >/= Grade 3 urinary toxicities is low. Nevertheless, especially among patients with a prior history of TURP who experience Grade 2 acute urinary symptoms during radiation treatment, a higher risk of stress incontinence is observed.

Aged↗
PubMed2000

Effect of radical prostatectomy on sensory threshold and pressure transmission.

PURPOSE: The mechanisms involved in post-radical prostatectomy incontinence remain unclear despite previous anatomical and functional studies. In addition, the factors responsible for the restoration of continence are not well studied. To improve our understanding of the alterations in continence mechanisms, we prospectively investigated the temporal changes in urodynamic parameters after radical prostatectomy. MATERIALS AND METHODS: Cystometry, urethral pressure profilometry and posterior urethral sensory threshold measurements were performed in patients undergoing radical prostatectomy. Preoperative pressure transmission was determined by the maximal urethral pressure divided by the maximal abdominal pressure during cough maneuvers at a bladder volume of 200 ml. Postoperative sensory threshold, pressure transmission (% of pressure transmission), maximal urethral closure pressure and functional sphincter length were measured 6 weeks and 6 months after prostatectomy. These parameters were compared between continent and incontinent patients. RESULTS: Preoperative and postoperative urodynamic studies were completed in 34 patients. The continence rate after 6 weeks was 18% (6 patients) and improved to 82% (28) after 6 months. Preoperatively sensory threshold was 16 +/- 11 mA. After 6 weeks and 6 months, respectively, sensory threshold was significantly higher in incontinent (84 +/- 11 mA., 70 +/- 8 mA.) compared to continent (65 +/- 8 mA., 41 +/- 12 mA.) patients. Preoperative proximal urethral sensory threshold was not correlated with degree of postoperative incontinence determined by pad tests. Pressure transmission was not different in continent and incontinent patients postoperatively. After 6 weeks and 6 months, respectively, pressure transmission was 77% and 91% in continent, and 37% and 58% in incontinent patients (p = 0.04, p = 0.03). Maximal urethral closure pressure was significantly higher in continent patients (35 +/- 6 cm. H2O) compared to incontinent patients (11 +/- 9 cm. H2O). Sphincter length decreased from 50 mm. preoperatively to 24 mm. after 6 weeks and 25 mm. after 6 months. There was no difference in sphincter length between continent and incontinent patients. CONCLUSIONS: Posterior urethral sensitivity and pressure transmission are impaired immediately after prostatectomy. An improvement in these parameters after 6 months is associated with the restoration of continence. These observations suggest that urinary continence after radical prostatectomy depends on the integrity of posterior urethral sensation and the efficiency of pressure transmission.

Humans↗
PubMed1987

One-hour pad-weighing test for objective assessment of female urinary incontinence.

In a 16-month period the one-hour pad-weighing test proposed by the International Continence Society was used in 126 instances for objective assessment of the degree of incontinence in 81 women with urinary incontinence. The present study deals with applicability of the test, patient compliance, reproducibility of the test, and comparison of test results with conventional methods for objective assessment of urinary incontinence. In spite of a rather high mean age (55 years), 73 patients (88%) were able to perform the entire test program. In 85 tests (68%) the patients indicated the result to be in accordance with the daily leakage. The reproducibility of the test was relatively good (r = 0.68; P less than .01), but significantly better (r = 0.93; P less than .0001) when taking into consideration the bladder volume at test start and the diuresis during the test. When compared with the pad-weighing test, the stress test and voiding-cystourethrography gave false negative results in approximately half the cases. The one-hour pad-weighing test was found to be practical and useful in quantifying the degree of leakage in women with urinary incontinence.

Adolescent↗
PubMed1993

Urodynamics in women with stress incontinence before and after surgery.

Pad test, cystometry and analysis of micturition were performed in 36 women with stress incontinence before and a year after operation with either retropubic urethrocystopexy (n = 22) or pubococcygeal repair (n = 14). There was no difference in the subjective cure rate between the two groups of women (77% and 79%, respectively). The pad test 1 year after operation showed that 59% of the women in the urethrocystopexy group and 43% of the women in the pubococcygeal repair group had stopped leaking urine. The bladder volume had increased in both groups and the intravesical pressure of the bladder filled to the maximum had increased in the pubococcygeal repair group. The functional length of the urethra, intravesical pressure at maximal urine flow, maximal urine flow rate and urethral conductance were not affected by either operation. Pad test was a more accurate test for an objective evaluation of urine leakage before operation than were the urodynamic investigation or continence tests.

Adult↗
PubMed1998

[Ambulatory diagnosis of urinary incontinence among women: the role of a one-hour pad weigh test].

The aim of our studies was the evaluation of diagnostic usefulness of the 1-hour pad weight test in the different types of female incontinence. We examined 189 women at the age from 16 to 74 with the incontinence in anamnesis. The test was performed accordingly to the I.C.S. guidelines. The positive result of the test (more that 2 grams increase in the pad weigh) was found in 136 (71.6%) of examined women; including moderate urine leak in 24%, big in 55.1% and severe in 20.6% of them. The biggest average increase in pad weigh was found in urinary incontinence associated with the urgency, corresponding to 88.9 g in mixed incontinence and to 67.4 g in genuine urge incontinence. The sensitivity, specificity and efficacy of the test was 78.6%, 72% and 77% respectively. The shortened 1-hour pad weigh test is a simple and effective examination, especially in the stress incontinence. It is less effective in genuine urge incontinence and giggle incontinence. The negative effect of the 1-hour test, when the patients complaints coexist, should be the indication to repeat the test or to perform the 24-hour test. In the doubtful cases, before the surgery, the diagnostics should be extended to the full urodynamic examination.

Adolescent↗
PubMed2003

Review of current technologies for urinary incontinence: strengths and limitations.

A wide range of continence products is available, and this paper focuses on products to prevent incontinence (such as urinals and commodes) and to contain or manage urinary incontinence (such as absorbent pads, penile sheaths and urethral catheters). Drawing on results from published clinical evaluations at the Continence Product Evaluation Network at UCL and at other centres, the strengths and limitations of the major categories of incontinence products currently on the market are reviewed. It is concluded that, although products for continence have improved considerably over the last 20 years, there is considerable scope for the designer and engineer to improve on current products.

England↗
PubMed2006

Outcomes following erosions of the artificial urinary sphincter.

PURPOSE: Artificial urinary sphincter urethral cuff erosion occurs in up to 5.0% of cases, presenting a complex management problem. We examine our experience with the eroded AUS, relating to preoperative risk factors, operative management and outcomes. MATERIALS AND METHODS: We reviewed the medical records of 637 patients undergoing bulbar urethral AUS implantation from 1990 to 2003 for demographic and surgical variables. RESULTS: Of the 637 records reviewed, 46 patients underwent 54 explantations of the AUS device for erosions, including 13 who had the primary implant performed at our institution and 33 being referred for management of erosion after implantation elsewhere. Our institution erosion rate was 2.2%. Mean followup after AUS reimplant following erosion was 27.8 months (range 1 to 180). Comorbidities were more prevalent in patients with erosions included hypertension (p = 0.006), coronary artery disease (p = 0.03), prior radiation therapy (p = 0.006) and prior AUS revisions (p = 0.0001). A majority of patients had persistent mild incontinence (0 to 1 pad daily in 29 or 56.8%), moderate (1 to 3 pads daily in 9 or 17.4%) and severe (more than 3 pads daily in 6 or 11.8%) incontinence after secondary AUS implantation. Patients who underwent reimplantation after AUS cuff erosions have a significantly higher rate of second erosions (in 16, 34.8%) within an average of 6.7 months (range 3 to 24), including our own 11.8% institutional rate (in 4). CONCLUSIONS: Our study suggests that patients with comorbidities including hypertension, coronary artery disease, prior radiation therapy and prior AUS revisions are more likely to have erosions of their AUS. Nevertheless, continence can still be salvaged using various strategies which optimize use of the remaining healthy urethral tissue.

Aged↗
PubMed1990

Serial incontinence assessment in elderly inpatient men.

Urinary incontinence is a major problem for elderly chronic care patients. As a consequence, a high level of nursing care is required for patient management. Because incontinence rehabilitation programs are usually implemented during the day shift, the incidence of incontinence according to time of day has major implications regarding patient management. Although treatment is usually based on severity, assessment of incontinence severity in elderly chronic care inpatients is difficult. In this study, a telemetric incontinence detection system was developed to identify incontinence episodes. An absorbent pad exchange technique was used for incontinence volume measurement. The study group, 66 chronic care inpatient men over 65 years old, were subject to incontinence measurements over 10 days during all nursing shifts using the telemetric incontinence detection system. The results showed a significantly high incidence of incontinence episodes during the evening nursing shift. The volume of involuntary urine loss was significantly higher during the night nursing shift. Thus, the highest level of incontinence severity occurred during the time of day when nursing staff on chronic care units is usually the lowest.

Aged↗
PubMed2003

Does cesarean delivery prevent anal incontinence?

OBJECTIVE: To compare the incidence and severity of anal incontinence in primiparas after cesarean delivery versus spontaneous vaginal delivery. METHODS: A total of 184 primiparas who delivered by cesarean (104 emergency, 80 elective) and 100 who delivered vaginally were interviewed 10 +/- 2 months postpartum. A comprehensive bowel function questionnaire was completed. Bowel-specific questions included bowel habits, laxative use, urgency, flatus, urge and passive incontinence, soiling, and pad use, before and during pregnancy and postpartum. Obstetric details were confirmed from obstetric records. RESULTS: Anal incontinence was first present in nine (5%) mothers after cesarean delivery and eight (8%) after vaginal delivery (relative risk 0.611, 95% confidence interval 0.25, 1.53). Severe symptoms necessitating pad use affected two (3%) mothers after elective cesarean and one (1%) after vaginal delivery. Two (3%) mothers after elective cesarean, one (1%) after emergency cesarean, and two (2%) after vaginal delivery had at least two symptoms. Anal incontinence followed prelabor emergency cesarean in two mothers. Of the 22 mothers who sustained a second-degree tear, five (23%) had new anal incontinence compared with only one (3%) of 40 mothers with an intact perineum (Fisher exact test value = 9.697, P =.014). CONCLUSION: Because severe anal incontinence followed elective and prelabor emergency cesarean, it seems that pregnancy itself can lead to pelvic floor disorders. A high incidence of anal incontinence is associated with a second-degree tear. Measures to detect and reduce postpartum anal incontinence should target all pregnant women and mothers, even after prelabor cesarean delivery.

Adult↗
PubMed2007

Predicting implantation with a neuromodulator using two different test stimulation techniques: A prospective randomized study in urge incontinent women.

AIMS: The purpose of this study was to determine whether a percutaneous needle electrode (PNE) technique or a surgical first stage lead placement (FSLP) better predicted whether a patient would progress to implantation of a pulse generator (IPG) in older urge incontinent women. METHODS: Thirty subjects > or =55 years with refractory urge incontinence who had been selected to undergo a test stimulation procedure were randomized to either PNE or FSLP. Thirteen underwent PNE placement and seventeen underwent FSLP placement. If during the test stimulation period subjects had greater than 50% improvement in their incontinence parameters they qualified for permanent lead and/or IPG implantation of the Interstim device. RESULTS: Twenty-one subjects (70%) responded to the test stimulation and underwent implantation, 15/17 (88%) in the FSLP group and 6/13 (46%) in the PNE group. Subjects who were randomized to the FSLP group were significantly more likely to proceed to implantation of the IPG (P = 0.02) than those in the PNE group. There was no significant difference in demographics, pre-test stimulation incontinence parameters or post-stimulation visual analog pain scores between the randomized groups or between test stimulation responders and non-responders. When comparing FSLP and PNE responders, there was no significant difference in the percent improvement in 24-hr pad weight, daily pad usage, or daily incontinence. CONCLUSION: FSLP better predicted progression to implantation of the IPG than a test stimulation with a PNE in an older urge incontinent cohort.

Aged↗
PubMed2004

Objective assessment of urinary incontinence in women: comparison of the one-hour and 24-hour pad tests.

OBJECTIVE: To compare the performance and clinical usefulness of the one-hour and 24-hour pad tests in terms of the relationship with reported symptoms and urodynamic diagnosis. METHODS: 341 women aged 40 years and over reporting lower urinary tract symptoms who were recruited to a nurse led continence service, and went on to receive urodynamics, a one-hour and a 24-hour pad test and completed a urinary diary. RESULTS: For both pad tests, there was a significant difference in the amount of urine leaked between the different urodynamic diagnoses (p<0.0001, for the one-hour and p=0.001 for the 24-hour test). Women with sphincter incompetence leaked significantly more than women with detrusor instability, or those with no abnormality. There was a significant difference between the proportion of women dry on a one-hour pad test and those dry on a 24-hour pad test (26.0% versus 38.4%, difference 12.4%; CI 5.5; 19.4). There is a positive relationship between amount of urine leakage and symptom severity expressed in terms of number of incontinent episodes for both pad tests. CONCLUSION: Both pad tests bore little relationship to the underlying urodynamic diagnosis but there was a positive relationship with symptom severity. The 24-hour pad test appears to be clinically a more useful too than the one-hour test. The two types of pad test are probably assessing incontinence in different ways. We suggest that the minimum data set should include structured questions, diaries and the 24-hour pad test.

Adult↗
PubMed2003

The 24-hour pad test in continent women and men: normal values and cyclical alterations.

OBJECTIVE: To obtain control values for the 24-hour pad test in a wide age range of continent women using accurate weighing scales and to compare the results obtained from pantyliners and pads in women and men. DESIGN: Prospective anonymous study. SETTING: A Sydney Tertiary Urogynaecology Unit. POPULATION: One hundred and forty continent women and 14 continent men. METHODS: A 24-hour pad test was performed in 120 continent women of widely varying ages, in whom hormonal status and exercise habits were documented. These continent women wore a standardised pantyliner for 24 hours and a high precision beam balance (accuracy 0.1 g) was used to measure the loss on the pad. To assess any variation in pad weights with differing pads, 20 female volunteers undertook the 24-hour test firstly with pantyliners then larger pads. To understand evaporative qualities of the two types of pads, one male wore each type of pad, instilled with 5 mL normal saline for eight hours overnight. Furthermore, to understand the contribution of vaginal secretions, a group of male volunteers performed a 24-hour test with pantyliners followed by pads. MAIN OUTCOMES MEASURES: Pad weight, with regard to hormonal status, exercise, pad type and gender. The median age of subjects was 48 (interquartile range [IQR] 32-60), with a median pad weight gain of 0.3 g (IQR 0.2-0.6; 95th centile 1.3 g). Subgroup analysis showed no significant trends for pad loss in relation to menopause status, use of hormone replacement therapy or hormonal contraception and exercise status during the 24-hour period. Control values for pantyliners were not significantly different from those for continence pads. In addition, normal values in 14 males showed similar results, regardless of pad type. CONCLUSIONS: The response rate of 39% might limit the applicability of the results. However, our finding that women lose only 0.3 g of vaginal secretions in 24 hours is much lower than previously reported. This might arise from the use of a highly accurate beam balance and the recruitment of a large sample of women with widely varying ages. This result might lower the threshold for objective diagnosis of urinary incontinence and alters the pad test definition of 'cure'.

Adult↗
PubMed1999

Radical cystoprostatectomy combined with Mainz pouch bladder substitution to the urethra: long-term results.

OBJECTIVE: To analyse, in a retrospective study, the oncological outcome, pouch-related complications, continence and micturition after radical cystoprostatectomy combined with Mainz pouch orthotopic bladder substitution to the urethra for the treatment of bladder cancer. PATIENTS AND METHODS: Between 1986 and 1996, three urological departments contributed 108 male patients to the review. The same exclusion criteria from orthotopic bladder substitution were applied by all centres, i.e. multifocal or concomitant carcinoma in situ, tumour at the bladder neck, positive biopsy from the prostatic urethra, locally advanced tumour and lymph node involvement. In all, 103 patients were evaluable for follow-up, with a mean (range) follow-up of 42 (3-132) months. RESULTS: Pathological examination of the cystectomy specimen revealed 81% organ-confined tumours. During follow-up, 84% of patients remained free of tumour, 7% developed distant metastases, 5% local recurrences, 4% urethral recurrences, and 1% upper tract urothelial cancer; 85% of patients are capable of spontaneous voiding, with a mean pouch capacity of 720 mL. Daytime continence was achieved in 88%, including 17% wearing one safety pad; 9% had stress incontinence and 3% total incontinence; 67% could sleep through the night, with either complete continence (34%) or one safety pad (33%). Nocturnal incontinence occurred in 11%. Uretero-intestinal stenosis occurred in 15 of 205 (7%) renal units, requiring ureteric reimplantations in 11, nephrectomy in three and antegrade dilatation in one. Reflux was not noted in any patient. About half the patients were on anti-acidotic prophylaxis. CONCLUSION: The large bowel segment in the Mainz-pouch technique of orthotopic bladder substitution provides good reservoir capacity and continence rates, with less ileum used than in all-ileum pouches. The surgical technique is simple and reproducible, and in particular the antireflux ureteric implantation into the caecum protects the upper urinary tracts.

Adult↗
PubMed1997

Quality of life following bladder training in older women with urinary incontinence.

This study investigated the changes in quality of life following a randomized controlled 6-week trial of bladder training in 123 older women with urinary incontinence. Both clinical (diary, pad test) and quality of life measures (Incontinence Impact Questionnaire (IIQ), Center for Epidemiological Studies-Depression Scale (CES-D)) and visual analog scales on symptom burden were obtained at baseline, 6 weeks and 6 months following treatment. All subscales and the composite scale of the IIQ and the visual analog scales were significantly improved following bladder training, with effects maintained 6 months later. No changes were observed in CES-D scores. Women with genuine stress incontinence and those with detrusor instability with or without concomitant stress incontinence had similar improvements. We conclude that bladder training is effective in improving the quality of life of incontinent women regardless of urodynamic diagnosis.

Aged↗
PubMed2005

Solvent-dehydrated cadaveric dermis: a new allograft for pubovaginal sling surgery.

AIM: The aim of this study was to evaluate the efficacy of solvent-dehydrated cadaveric dermis in pubovaginal sling surgery for the first time in the literature. METHODS: Twenty-five women with stress urinary incontinence underwent pubovaginal sling surgery using 2 x 12 cm allograft dermis. Preoperatively, all patients were evaluated by a detailed urogynecologic evaluation, voiding diary, pelvic examination and urodynamic investigation. Outcome was assessed by the Urogenital Distress Inventory short form and standardized follow-up questionnaires. RESULTS: Twenty (80%) patients were cured of stress incontinence symptoms. Seventeen wore no pad and three reported occasional stress urinary incontinence and used no or one pad at a mean follow up of 12 months. Five (20%) patients in our series experienced the same amount of leakage as before the surgery. Seventy-six percent of the patients indicated that urinary incontinence was no longer negatively affecting their daily life and were satisfied with the procedure. CONCLUSIONS: Questionnaire-based assessment of outcome suggests that solvent-dehydrated cadaveric dermis is effective in the treatment of stress urinary incontinence. However, larger and comparative prospective studies with long-term results and randomized comparison of tissue preparation techniques are warranted.

Adult↗
PubMed2001

Periurethral autologous fat injection as treatment for female stress urinary incontinence: a randomized double-blind controlled trial.

PURPOSE: We evaluated the effectiveness of periurethral autologous fat injection as treatment for female stress urinary incontinence. MATERIALS AND METHODS: Women with stress incontinence were randomized in a double-blind fashion to receive periurethral injections of autologous fat (treatment group) or saline (placebo group). After injection patients were evaluated monthly for 3 months by a validated standardized incontinence questionnaire, 1-hour pad test and cough test. Patients who remained incontinent were offered repeat injection using the same initial agent to a maximum of 3 injections. Every 3 months after injection patients were assessed by a standardized questionnaire, pad test, cough test and urodynamics. Those who did not qualify for repeat injection at 3 months were then followed 6, 9, 12, 18 and 24 months or until failure. RESULTS: Of the 68 women enrolled 35 received fat and 33 received saline injections. The groups were comparable in terms of baseline parameters. A total of 56 patients completed the study, including 27 in the fat and 29 in the placebo group, for a total of 189 injections (91 fat and 98 saline). At 3 months 6 of 27 (22.2%) and 6 of 29 (20.7%) women were cured or improved in the fat and saline groups, respectively. Complications included cystitis in 9 of 189 injections, urinary retention in 6 in the fat injection group, urge incontinence in 9 of 68 patients and pulmonary fat embolism resulting in death in 1 of 189 procedures. CONCLUSIONS: In this study periurethral fat injection did not appear to be more efficacious than placebo for treating stress incontinence.

Adipose Tissue↗