Exam 3: Female Urinary Incontinence Flashcards
Hypogastric innervation
Detrusor muscle
Pudendal nerve innervation
External sphincter and pelvic floor
Storage phase neurotransmitters
NE and 5HT
Detrusor relaxation
Sphincter contraction
Emptying phase neurotransmitters
ACh
Detrusor contraction
Stress incontinence
Involuntary leakage with increased pressure
Type 1: Absence of urethral hypermobility
Type 2: Due to hypermobility
Type 3: Intrinsic sphincter deficiency
Urge incontinence
Leakage proceeded by massive urge Overactive bladder Neurogenic Myogenic Idiopathic
Stress incontinence examples
Cough Sneeze Laugh Exercise Change position
Urge incontinence examples
Urgency
Frequency
Nocturia
Dysuria
Cystometry
Put volume in and assess patient feeling of fullness
Have them bear down etc
Multi urochannel dynamics
Pressure monitor in urethra and rectum (damn near killed em)
Stress: narrow, tall peak
Urgency: wide, shorter peak
Levator ani muscles
Fiber distribution
PPI
Puborectalis
Pubococcygeus
Iliococcygeus
70% type I
30% type II
Pharm treatment
Anticholinergics M1-5 in bladder M2 predominance, but M3 mainly responsible for emptying M1 -> dry mouth M2 -> bradycardia
Pharm examples
Oxybutinin (dry mouth, consipation, CI: acute, narrow angle glaucoma)
Tolterodine (receptor antagonist)
Trospium (quaternary ammonium non-receptor antagonist)