Basic Urology for Primary Care Providers Getting Yourself and Your Patients Beyond ”Please Hold”...
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Transcript of Basic Urology for Primary Care Providers Getting Yourself and Your Patients Beyond ”Please Hold”...
![Page 1: Basic Urology for Primary Care Providers Getting Yourself and Your Patients Beyond ”Please Hold” Michael Jacobson MD PhD 2/12/12.](https://reader036.fdocuments.net/reader036/viewer/2022062519/56649c7f5503460f94936495/html5/thumbnails/1.jpg)
Basic Urology for Primary Care ProvidersGetting Yourself and Your Patients Beyond ”Please Hold”
Michael Jacobson MD PhD
2/12/12
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My Contact Information
Email (Preferred!!) [email protected]
g
Pager (510) 231-3157
Phone (510) 798-4537
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Overview/Goals
Urology Referrals
How to approach the most common problems
Providing a useful workup when consulting
Improved collaboration
Topics
BPH & Urine Retention
Hematuria
Incontinence
Infections of the urinary tract
Elevated PSA
Stones
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BackgroundThe Long Wait
Nonurgent urology consult 8-9 months
Cancer 6-8 weeks consult +8-10 weeks surgery
Obstructive stones 6-8 weeks +12 weeks surgery
65-80 patients scheduled each clinic
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Benign Prostatic Hypertrophy
50% men > 60 yo
90% men > 80 yo
Nonmalignant, uncontrolled prostatic growth Bladder Outlet
Obstruction Lower urinary tract sx
(LUTS) Obstructive Irritative
Hematuria
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LUTS
ObstructiveWeak stream
Intermittency
Hesitancy
Incomplete voiding
Postvoid dribbling
Straining to void Valsalva
IrritativeFrequency
Urgency
Nocturia
Dysuria
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LUTS Differential Diagnosis
BPH
UTI
Primary bladder dysfunction (MS, neurogenic bladder, DM)
Prostatitis/chronic pelvic pain
Urethral stricture
Stones
Prostate cancer, Bladder cancer
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Helpful tip:
Men older than 60 who have LUTS USUALLY have BPH
Men younger than 50 who have LUTS ALMOST NEVER have
BPH
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Initial Workup
1. Digital Rectal Exam
2. UA
3. PSA (> 10 years life expectancy)
4. Post void residual (Ultrasound or bladder scanner)
Normal < 100 mL Over 100 mL: BPH should be treated Goal of therapy: PVR < 100
AUA symptom score
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Treatment options for BPH
Surveillance with general measures AUA SS < 8 Yearly re-evaluation with “initial workup”
Medications Herbal Alpha blockers 5 alpha reductase inhibitors
Surgical Minimally invasive TURP Simple prostatectomy
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General Measures
Avoid substances that make symptoms worseAlpha agonists
Decongestants with pseudoephedrine Ephedra
Caffeine and EtOHSpicy and acidic foods
Reduce nocturia:Decrease fluids in the eveningAvoid diuretics in the eveningLE edema: elevate legs one hour before bed
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Medications
Alpha blockers
Works over days
Relaxes smooth muscle in urethra
5-alpha reductase inhibitors
Shrinks the prostateGood for bleedingPrevents/treats
obstruction
PSA drops by 50%
Side effects: sexual, gynecomastica
Works over months
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Alpha Blockade
Alpha-1 blockers (postural hypotension):Terazosin (eff dose: 10 mg qhs)Doxazosin (eff dose: 8 mg qhs)
*Always titrate alpha-1 blockers to avoid hypotension/syncope.
Alpha 1-a blockerTamsulosin—Flomax (eff dose 0.4-0.8 mg 30 min
qAC)
*No need to titrate
I recommend tamsulosin for patients in urinary retention
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Surgical Therapy
Strong indicationsRefractory urinary retentionRecurrent UTIsRefractory gross hematuriaBladder stonesRenal insufficiency
Moderate indicationsAUA SS > 8 and
Substantial bother Increasing PVR
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Urinary Retention
Pre-existing partial obstruction (e.g. BPH)
Sudden increased outlet resistance or decreased detrusor pressure
Precipitating event: Infection Bleeding Overdistention
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Treatment
Gross hematuria (clot retention, bladder decompression bleeding), Renal failure, febrile UTI
Admission to hospital through ER
Most patientsFoley Catheter for 10 daysStart alpha blocker Patients in complete retention
Start 5 alpha reductase inhibitor
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Referral
AUA SS
What medications, doses and how long
Cr
PVR
Infections, urinary retention or gross hematuria
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Hematuria Differential Diagnosis
Cancer (painless) Bladder, Kidney, Prostate
Infection
Stones
BPH
Trauma
Medications/toxins
Benign/idiopathic
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Hematuria
Many benign causes, some malignant
We don’t want to miss cancer
Urgent: Passing clots, can’t voidBlood loss anemia (rare)
Not urgent:Able to void
Normal H/H, normal Cr
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Gross vs Microhematuria
GrossPink LemonadeCool AidRed WineMotor OilKetchup
Microhematuria> 5 RBC per High
Power FieldAt least 2
separate UasNeed microscopic,
dipstick not enough!
Not explained by infection
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Workup—Gross Hematuria
Workup
UA/Cx (nitrite positive?)
CBC
Chem7
CT urogram (3 phase scan with IV contrast)
Follow-up for cystoscopy
When to send to ER
Dropping H/H
Unrelenting Clot retention
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Microscopic hematuria workup
Urine culture, UA with micro x 2, CBC, chem 7
Upper tract imaging: CT IVP (with delayed phase)
Referral for cystoscopy (last part of the workup)
For patients with elevated creatinine, refer without CT scan retrograde pyelogram in the ORu/s or noncon might be helpful
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CT IVP (CT Urogram)
3 phases:
1. Noncontrast Abdomen/Pelvis Shows stones
2. Arterial Phase Shows vascular tumors (kidneys)
3. Delayed phase Opacifies urinary tract Shows filling defects (possible tumors)
CT IVP does not adequately evaluate the bladder!!
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Filling Defects
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Cystoscopy-tumors
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Incontinence
Stress urinary incontinence Increase in
abdominal pressureCoughingSneezingStrainingLiftingBendingExercising/
exertion
Urge urinary incontinence Accompanied by urge
Mixed incontinence Both stress and urge
Continuous incontinence e.g. secondary to fistula
Overflow incontinence Associated with poor
emptying
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Transient Urinary Incontinence“DIAPPERS”
Delirium
Infection
Atrophic vaginitis
Pharmaceuticals/polypharm
Psychological (esp. depression)
Excessive production (diuretics, DM)
Restricted Mobility (PD, arthritis)
Stool impaction/Constipation
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“Urologic Incontinence”
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What you can try for urge incontinence first
Anticholinergic medicationsDitropan 5 mg po TID or Ditropan XR 10 mg po daily
Urinary retention Dry mouth, dry eyes, constipation Delirium
Vesicare, Detrol, etc
For post menopausal women with no history of breast or GYN cancer:Vaginal Premarin or Estrace cream
Pea size daily x 4 weeks then 2x per week
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Evaluation/include on referral:
HistoryPrecipitating factorsSeverity: # pads per day, how
wetObstructive/irritative sxOB historyPrevious GU conditionsPrevious pelvic surgeryNeurologic diseaseFluid consumptionMedications
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Physical exam
Pelvic exam on women Check for atrophic vaginitis Obvious prolapse Cough test
Rectal exam Stool impaction, sphincter tone
Lower extremities Edema can cause excess urine production at night
Neurological Perineal sensation, anal sphincter tone Bulbocavernosus reflex
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Infections
Frequent urinary tract infections
Epididymitis
Orchitis
Prostatitis
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Frequent UTIs
Men: Think BPH or chronic bacterial prostatitis
Young women: Think Constipation, sexual activity
Postmenopausal women: Think atrophic vaginitis or constipation or both
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Relapsing UTI classification
Bacterial persistence versus re-infection
Bacterial persistence:Antibiotics eradicate bacteria from the urine temporarilyOften associated with foreign body or stoneUrine culture showing the same bacteria repeatedly
EvaluationUrine culture prior to each treatment with appropriate
abxRenal/bladder u/s plus KUB (Stones? PVR? Hydro?)Check blood sugar
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Treatment
Women with afebrile UTIs3 days antibioticsCheck urine culture before starting empiric
treatment
Men10-14 days of abxCheck urine culture before starting empiric
treatment
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Epididymo-Orchitis
PresentationTesticular pain (Ddx: testicular torsion)
Sudden onset of intense pain Torsion Gradual onset epididymo-orchitis
Associated with STD: with urethritis and urethral discharge
May be associated with UTISwelling/tenderness of testis, epididymis and/or cord
+/- scrotal erythema or edema +/- fever +/- hydrocele
ALL PATIENTS REQUIRE A SCROTAL ULTRASOUND
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Epididymo-Orchitis--Treatment
Infectious Men < 35 years old:
STD (Neisseria gonorrhoeae and Chlamydia trachomatis) Treat with Rocephin 250 mg IM single dose + Doxycycline 100
mg po BID x 10 days Check urine culture first Check urethral swab or GC urine test first
Men > 35 years old: most common E. coli Initial treatment: Levofloxacin x 10 days Adjust according to urine culture Pain/fever usually improve after 3 days. Induration may take
weeks/months If symptoms return then treat up to 6 weeks with antibiotics
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Prostatitis
Most commonly: NONBACTERIALChronic prostate syndromes: Pain
GU pain, back pain, suprapubic pain, perineal pain, dysuria, frequency, urgency, painful ejaculation
Acute Bacterial ProstatitisUsually diagnosed in YOUNG MENMost common: E.coliFever, irritative/obstructive voiding sx, extremely
tender and warm/boggy prostate
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Prostatitis--continued
Chronic Bacterial ProstatitisRecurrent, symptomatic infection
GU pain, back pain, suprapubic pain, perineal pain, dysuria, frequency/urgency, painful ejaculation
Usually diagnosed in OLDER MEN
Most common organism: E.ColiAssociated with prostatic calculi (nidus)Most common cause of recurrent UTIs in adult
males
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Treatment
Acute prostatitisEmergency room—especially if with high feverWill need 4-6 weeks of post hospitalization
antibiotics If not hospitalized, get urine culture and start a
fluoroquinoloneConsider tylenol, stool softeners, analgesics
Chronic prostatitis8-16 weeks of initial antibiotic therapyReculture if symptoms return or persistsRecurrent: 6 months suppressive abx
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Nonbacterial Prostatitis
Treatment:Empiric 6-8 week course of TMP-SMX or fluoroquinolone If no response then doxycycline 100 mg po bid for 4-6
weeks If no response then no further antibiotic treatmentConsider
alpha blockade Stress reduction/meditation Diet improvement Diazepam (pelvic floor relaxation) Pelvic PT for pelvic floor relaxation) Pain specialist
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Prostate Cancer Screening
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PSA and DRE Increase in detectionStage shiftPrior to screening: CaP detected when caused local
symptoms or metsNow: > 90% CaP detected when potentially curable
Asymptomatic
Prostate Cancer Screening and Diagnosis
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Prostate cancer--Epidemiology
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Annual PSA and DRE
In men with > 10 years life expectancy:Start 40-45 for high risk of CaPStart 50 other men>70 if healthy with >10 years life expectancy
Prior to testing, discuss benefits and limitations of CaP detection and treatment
Screening Recommendations (AUA, NCCN, ACS)
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Digital Rectal ExamAbnormal DRE
CaP diagnosis in 15%-25%
Normal DRE (age matched) <5% cancer prevalence
Not accurate or sensitive
But abn DRE with elevated PSA: 5x increased risk of CaP
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PSA—Prostate Specific Antigen
Serum protease produced only in prostate epithelium
Causes semen to become less viscous
Increase in serum PSA Prostate cancer Prostatitis or UTI BPH Urinary retention Ejaculation Catheterization
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“Normal” based on age40’s: less than 1 ng/dL50’s: less than 2.560’s: less than 4
My criteria for prostate biopsy40’s: >1 and increasing by 0.3/year50’s: > 2.5 and/or increasing by 0.3/year60’s: > 4. If > 4 increasing by 0.7/year, if <4
increasing by 0.3/yearAny abnormal DRE
Serum PSA levels
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Stones
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Flank Pain Workup
History:Previous stones?Diabetic?Length/severity of sx?Fevers?Severe n/v?
Labs:WBC sCrUA: nitrites?
ExamFebrile?Helped with
narcotics/antiemetics?
ImagingHydro? (obstructive?)2 kidneys?
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Urolithiasis
Absolute reasons for admission/immediate tx:
Obstructed pyelonephritis
Increasing renal insufficiency (e.g. Solitary kidney, bilateral stones)
Unrelenting pain or nausea/vomiting
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Imaging
Gold standard: Noncontrast CT scan Radiation, expensive, in-demand resource
Ultrasound?Quick, available, no radiationNot very sensitive for hydroMiss small stonesCannot be used to plan surgical treatment
KUBQuick, inexpensive, lower radiation doseProblems: radiolucent stones, stool/poor
sensitivity
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Immediate referral for drainage
Sepsis
Fever with UTI (and stone) or elevated WBC
Creatinine 0.5 higher than baseline
Solitary kidney (or functionally solitary)
(Uncontrollable pain or vomiting)
Beware of the diabetic patient with UTI + stoneMay have few sx
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The passable stone
< 4mm: >90%
4-6 mm: 70-80%
6-8 mm: 50-60%
8-10 mm: ~30%
>10 mm: unlikely
Assuming 6 weeks, with Flomax
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