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Patients with neurogenic bladder need periodic evaluation with urodynamic study, a invasive and uncomfortable procedure.
Aim: To evaluate the accuracy of dynamic ultrasonography as a feasible and noninvasive alternative diagnostic method to identify detrusor overactivity in patients with neurogenic bladder
The urodynamic study and dynamic ultrasonography were performed concurrently, to identify detrusor overactivity, in patients with myelomeningocele and clinical indication for urodynamics, by investigators without verbal or visual contact.
The overactivity was diagnosed through active conformational change of the bladder during filling phase.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dynamic ultrasonography | Other | Dynamic ultrasonography was performed in all patients who underwent urodynamics, simultaneously. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dynamic Ultrasonography | Diagnostic Test | Dynamic Ultrasonography was performed with patients in supine position, with a suprapubic sagittal position transductor, during filling phase of urodynamics. |
| Measure | Description | Time Frame |
|---|---|---|
| To evaluate the accuracy of dynamic ultrasonography to identify bladder overactivity in neurogenic bladder. | Dynamic Ultrasonography evaluated the dynamic conformational change of the bladder to identify the presence of detrusor overactivity, based on a subjective graduation of contractions, compared to the urodynamic data. | 20 minutes |
| Measure | Description | Time Frame |
|---|---|---|
| To evaluate the accuracy of dynamic ultrasonography to identify maximum cystometric capacity. | The bladder maximum capacity was measured at the end of the filling phase, based on the ellipse formula and compared to the infused volume in urodynamics. | 20 minutes |
| To assess the ability of dynamic ultrasonography to estimate the pressure of detrusor contractions. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Brasil S Neto | Hospital de Clinicas de Porto Alegre | Principal Investigator |
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| ID | Term |
|---|---|
| D001750 | Urinary Bladder, Neurogenic |
| D008591 | Meningomyelocele |
| D016135 | Spinal Dysraphism |
| ID | Term |
|---|---|
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D001745 | Urinary Bladder Diseases |
| D014570 | Urologic Diseases |
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Dynamic ultrasonography was performed in all patients during the urodynamic study.
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Dynamic ultrasonography was performed during the filling phase of the urodynamic study. The radiologist and the urodynamicist had no verbal or visual contact during the examinations, with use of a siding.
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According to the detrusor mobility and bladder deformity, the contractions were graded: 1 - no contractions; 2 - partial contraction of bladder floor; 3 - partial contraction of bladder floor and posterior wall; 4 - generalized contraction with modification of bladder shape from ellipsoid to round. These data were compared to the maximum pressure data recorded in the urodynamic study. |
| 20 minutes |
| D052776 | Female Urogenital Diseases |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D052801 | Male Urogenital Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009436 | Neural Tube Defects |
| D009421 | Nervous System Malformations |
| D000013 | Congenital Abnormalities |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |