![]() After the urinary bladder was full, volumes at first sensation of urination (mL), feeling the need to urinate (mL), feeling the need to urinate immediately (mL), bladder capacity (mL), and compliance (mL/cm H 2O) were measured. The patients were in the semi-sitting position. Isotonic saline was infused at a rate of 50 mL/min at room temperature for the filling. Filling cystometry and uroflowmetry were performed. Patients were evaluated using a multi-channel MMS® Solar (ADS, Ltd., Enschede, The Netherlands) urodynamic study device. Detrusor over-activity (DO) is a urodynamic symptom characterized by involuntary detrusor contractions during the filling phase, which may be spontaneous or provoked ( 1).Įxclusion criteria were patients with pure stress incontinence, allergic diseases such as asthma, history of psychiatric disorders, urinary tract infection, urinary obstructive disease, metabolic diseases, neurologic disorders, and current use of diuretics.Īll urodynamic tests were conducted by the same registered nurse and author (H.C.) the same instructions were used to prepare patients, and the same urodynamic machine was used for testing. ![]() ![]() OAB syndrome is defined as urinary urgency with or without urge incontinence, typically associated with increased daytime frequency and nocturia ( 12). The patients were divided into two groups according to PVR: group 1, PVR <100 mL (n=135) group 2, PVR ≥100 mL (n=155). A total of 290 women who met the selection criteria were included in the study. and C.H.) conducted retrospective chart reviews for all patients with OAB. All patients signed informed consent forms. We analyzed urodynamic parameters in patients who diagnosed as having OAB in our urogynecology clinic between April 2014 and April 2016. The patients’ data were retrospectively collected from the hospital medical records. Therefore, we explored voiding functions and assessed the relationships of voiding parameters with OAB symptoms and PVR volumes. Urodynamic parameters and their clinical importance in patients with OAB have not been well studied. Additional parameters include designation of PVR greater than 100 mL as abnormal ( 11). In general, a PVR of less than one-third of total voided volume is considered adequate emptying ( 9, 10). Parameters for interpreting the results of PVR testing are neither standardized nor well evaluated. It is defined by the International Urogynecological Assosication/International Continence Society as “incomplete micturition or abnormally slow micturition ( 8).” It is the cause of elevated PVR. It is also a way of assessing maximum flow rate (Q maximum Q max), average flow rate (Q average Q ave), bladder capacity, and post-void residual (PVR) urine ( 7). Urodynamic testing is a simple and non-invasive procedure for evaluating lower urinary tract symptoms. Urodynamics comprises a group of tests used to evaluate urinary tract function. Overactive bladder (OAB) is a term that describes a syndrome of urinary urgency with or without incontinence, often accompanied by nocturia and urinary frequency ( 5, 6). It is estimated that between 26 and 61% of women receive care for urinary incontinence in their lifetime ( 3, 4). Urinary incontinence is defined as involuntary leakage of urine ( 1, 2).
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