IDC: Involuntary detrusor contraction. 1st urge: The bladder volume at which the patient experiences the first urge to void during cystometry. LUTS: Lower urinary tract symptoms. xi xii Maximum cystometric capacity is the volume at which the patient feels he/she can no longer delay micturition. In patients with impaired bladder sensation, cystometric capacity may be inferred as that volume at which the patient begins void or leak involuntarily because of detrusor overactivity, low bladder compliance or sphincteric incontinence. In patients with a sphincteric incontinence, cystometric capacity may be increased by mechanical occlusion which prevents leakage as the bladder is being filled. In those with normal bladder compliance and impaired bladder sensation, capacity may be defined as an arbitrary volume at which bladder filling is stopped. OAB: Overactive bladder. – “Urgency, with or without urge incontinence, usually with frequency and nocturea.” Type 1 OAB: The patient complains of urgency but there are no involuntary detrusor contractions during urodynamics. Type 2 OAB: Involuntary detrusor contractions are present, but the patient is aware of them, can contract his or her sphincter, prevent incontenence and abort the detrusor contraction. Type 3 OAB: Involuntary detrusor contractions are present. The patient can contract the sphincter and momentarely prevent incontinence, but once the sphincter fatigues, incontinence ensures. Type 4 OAB: There are involuntary detrusor contractions but the patient cannot contract the sphincter on abort the detrusor contraction and is incontinent. Pdet: Detrusor pressure is that component of Pves that is created by bladder wall forces. It is estimated by subtracting Pabd from Pves (Pdet Pves Pabd). Pdet@Qmax: Detrusor pressure at maximum uroflow. Pves: Intravesical pressure is the pressure within the bladder. Pabd: abdominal pressure is the pressure surrounding the bladder. It is estimated from rectal pressure measurement. Q: Uroflow. Qmax: Maximum uroflow. Schafer (male) Bladder Outlet Obtruction and Detrusor Contractility Nomogram: A nomogram that describes 6 categories of obstruction and detrusor contractility (See Ch. 10, p. 102). Sensory urgency is a term, abandoned by the ICS, that refers an uncomfortable need to void that is unassociated with detrusor overactivity. Severe urge: The bladder volume at which the patient experiences a severe urge to void during cystometry. VH2O: infused bladder volume at uptometry
Posted on: Thu, 16 Jan 2014 09:05:50 +0000
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