Urology Flashcards

1
Q

receptors for storage and voiding phase

A
  • b2 adrenergic receptos for storage reg
  • m3 receptor for voiding
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2
Q

Common meds affect continence

A
  • a agonist/antagonist
  • alcohol
  • anticholingerics
  • cholinesterase inhs
  • ccbs
  • diuretics
  • nacrotics
  • antidepressants
  • antipsychs
  • sedative/hypnotics
  • pseudoephedrine
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3
Q

treatment, monitoring, dosing, ci for nocturnal polyuria

A

desmopressin nasal spray
- monitor sodium
- for 50-64 yo= 1 spray (1.66 mcg) 30 mins b/f bed
- for +65 yo= 1 spray (0.83 mcg) 30 mins b/f bed
- CI: concomitant loop diuretics, CHF (low EF), uncontrolled htn, use of glucocosteriods

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4
Q

what is noctural polyuria

A

wakening 2 or more times in the night to urinate

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5
Q

urge incontinence/ overactive bladder

A
  • involuntary leakage of urine
  • most often neurologic
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6
Q

urge incontinence/ overactive bladder: antispasmodics treatment, ae, efficacy

A

Antispasmodics
-Darifenacin and Solifenacin both m3 specific, dec side effect
- ae : anticholgeric effects including dementia
- Darifenacin> ER tolerodine> Solifenacin are the best

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7
Q

urge incontinence/ overactive bladder: anti-muscarinics and botox treatment, ae, indication, efficacy

A
  • Anti-muscarinic: Imipramine / other TCA; 25mg qd-tid, AE: cardiac effects and anticholingeric
  • Botox; for people who failed other treatments - less dry mouth and complete resolution of urgency but higher rates of transient urinary retention and UTIs
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8
Q

urge incontinence/ overactive bladder: b3 adrenergic agonist treatment,moa, se, dose adj, efficacy

A

Mirabegron (Myrbetriq ER) 25-50mg/day
- detrusor muscle relaxation
- dose reduction for hepatic or renal dysfunction
- se: hypertension
- caution with uncontrolled htn
Vibegron 75mfg
- dose adj for SEVERE hepatic and renal dysfunction
- se: mild and rare

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9
Q

guideline on overactive bladder 1st line

A

behavioral therapies; bladder training, control strategies, pelvic floor muscle training and fluid management

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10
Q

guideline on overactive bladder 2nd line

A
  • oral anti-muscarinics or b3 agonist
  • er >ir for less SEs
  • avoid oxybutynin patch
  • combo of oral options for refractory
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11
Q

what population should we avoid vs use caution with anti-muscarinics

A
  • narrow-angle glaucoma
  • dec gastric emptying or urinary retention
  • caution: frail patients
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12
Q

what is stress incontinence and who is at risk

A
  • stress: sneezing, laughing, coughing
  • dec pelvic wall musculature *women at risk due to child bearing
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13
Q

Stress incontinence treatment ae, dose

A

a receptor agonist
- pseudoephedrine 15-30 up to TID, ae: insomnia, HTN, HA, tremor, palpitations
- midodrine 2.5-5 mg po bid-tid
estrogen
- ae: pap, bleeding, DVT
- ERT as vaginal application
- not typically recommended in post-menopausal women
duloxetine 40 BID
- not FDA approved

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14
Q

Overflow incontinence and treatment

A

leak urine throughout the day
- bethanechol (urecholine) 10 mg tid
- ae: GI issues, orthostasis, urgency, bronchial constriction
- inc bladder tone

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15
Q

symptoms of BPH

A
  • incomplete emptying
  • frequency
  • intermittency
  • urgency
  • weak stream
  • straining nocturia
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16
Q

non pharm BPH

A
  • pads
  • TURP (cuts away at prostate)
  • urethral dilation
  • foley catheters
17
Q

BPH treatment a1 blockers

A

terazosin> doxazosin> prazosin
-Doxazosin has major cv events in hypertensive pts
- ae: postural hypotension, dizziness/vertigo, blurred vision, drowsiness, asthenia

18
Q

BPH treatment a1a blockes

A

Silodosin» Alfuzosin~ Tamsulosin
- relax tone
- rare hypotension, vertigo, drowsiness
- floppy iris syndrome
- ED *not seen with alfuzosin

19
Q

BPH treatment 5a reductase inh

A

Dutasteride > Finasteride
- combo better for significant prostate enlargement

20
Q

drugs to avoid in BPH

A
  • TCA
  • diphenhydramine
  • disopyramide
  • pseudoephedrine & ephedrine - increases tone of prostate
  • anticholinergic
21
Q

BPH treatment -combo a1a blocker and pde5 inh

A

alfuzosin and sildenafil superior to monotherapy in treating lower urinary tract symptoms and erectile dysfuction

22
Q

BPH treatment algorithm

A
  • start a blocker or PED5 if pt has ED
  • then try combos
  • if prostate >30cc add 5ARI (dutasteride, finasteride)
23
Q

Drugs associated with ED

A
  • diuretics
  • antihypertensive
  • cardiac and cholestrol drugs
  • antidepressants
  • tranquilizers
  • h2 antagonist
  • hormones
  • cytotoxic agents
  • immunomodulators
    anticholingeric
  • recreational drugs
24
Q

risk factors for ED

A

Metabolic syndrome
Lower UT symptoms
CVD
Tobacco smoking
Central neurologic conditions
Spinal Cord Injury
Depression or social or marital stress
Endocrinologic conditions
DM

25
Q

Major risk of death with this combo regarding for ED treatment

A

Death in patients with CAD taking nitrates and PDE5

26
Q

High risk pts for PDE5 therapy

A
  • unstable or refractory angina
  • uncontrolled hypertension
  • severe CHF (4)
  • recent MI or stroke w/in 2 weeks
  • high risk cardiac arrhythmias
  • obstructive hypertrophic cardiomyopathy
27
Q

onset and duration and nitrates timing sildenafil, clinical pearl

A

“little blue pill/ vitamin V”
30-60 mins
last 2-4 hrs
space out 24 hr with nitrates
food effect- high fat meal

28
Q

onset and duration of action and nitrates timing vardenafil

A

60 mins
last 4-6 hrs
space out 24 hr with nitrates

29
Q

onset and duration and nitrates timing of action tadalafil

A

“the weekender”
60 mins
last 24-36 hrs
space out 48 hr with nitrates

30
Q

onset and duration and nitrates timing of action avanafil

A

“the quickie”
15 min
last 4-6hrs
space out 12-24 hrs with nitrates

31
Q

Counseling points for PDE5 inh

A
  • wont work w/o sexual stimulation
  • try up to 8 times
  • sufficient time to work 30-60 mins for most