Urologic Emergencies Flashcards
Renal Trauma -Evaluation
What test?
CT with contrast
Renal Trauma -Evaluation
CT with contrast for:
3
- Blunt Trauma with:
- Gross hematuria
- Microhematuria with shock
- Penetrating Trauma
- Any Hematuria
- Pediatric Trauma
- Microhematuria with >50 RBC/hpf
Renal Trauma - Management
- Most is managed how?
- What does this entail? 4 - Indications for surgical intervention? 4
- Most managed conservatively (especially blunt)
- +/- stent,
- embolization,
- percutaneous drain or
- nephrostomy tube - Life threatening hemorrhage
- Continued bleeding
- Exploration for other injuries reveals expanding perirenal hematoma
- Repair or remove kidney
- Penile fracture is usually caused by what?
2. Examples? 5
- Usually caused by blunt trauma to erect penis causing tear in tunica albigenia
- Aggressive intercourse
- Off target penetration
- Masturbation
- Falling out of bed
- Scorned lover
Penile fracture: Dx? 4
Dx:
- Audible snap,
- sudden detumence,
- swelling,
- bruising
Penile Fracture - Management
1. Conservative (nonoperative) can lead to what? 3
- Surgical treatment? 3
- Conservative (nonoperative) can lead to:
- Erectile Dysfunction
- Curvature
- Painful erections - Surgical treatment:
- Deglove penis
- Rule out urethral injury
- Close corporal tear
Testis Rupture
Mostly caused by what? 2
BLUNT OR PENETRATING TRAUMA
- Straddle,
- saddle horn,
- bar fight/kick
Testis Rupture: Diagnosis
1. Exam?
- Scrotal US? 2 findings
- Exam:
Scrotal swelling and echymosis - Scrotal Ultrasound:
- Loss of tunic continuity
- Internal echos, heterogenecity
- Testis Rupture – Management?
2. Prognosis? 2
- Surgery to debride extruded tissue and close tunic
2.
- Early (less than 3 days): 9% Orchiectomy, 80% Salvage
- Late (> 3days): 70% Orchiectomy
Bladder Rupture
- What kind of trauma mostly?
- Exztraperitoneal or Intra?
- What is always present?
- 90% of bladder ruptures are have associated with what?
- Blunt»_space; Penetrating
- 60 % Extraperitoneal
- 30 % Intraperitoneal
- 10 % Combined
- Hematuria always present
- 95% with gross hematuria
- 5% with microhematuria - pelvic fracture
- 10% of pelvic fractures have associated bladder ruptures
Bladder Rupture - Intraperitoneal
- What is it?
- Dx? 2 Contrast where? 2
- Management?
- Catheter drainage alone risks what?
- External blow, full bladder
- CT or Cystogram:
- Contrast around bowel
- Contrast above superior acetabular line - Management: Surgical Repair
- Catheter drainage alone risks chemical peritonitis
Bladder Rupture - Extraperitoneal
1. What is it?
- Dx? 2
- Sign seen with contrast?
- Management?
- When would you have surgery?
- Blunt trauma with pelvic fracture
- CT or Cystogram:
- Contrast limited to pelvis, perineum, or genitalia - Starburst pattern of contrast below superior acetabular line
- Management is catheter drainage
- Surgical repair if having surgery for other injury
Urethral Disruption
- From what kind of trauma?
- Blood where?
- Probles with the bladder? 2
- Genital problems?
- Dx?
- Blunt or penetrating trauma
- Blood at meatus !
- Distended bladder; unable to void
- Genital swelling and hematoma
- Diagnosis by RUG (Retrograde Urethrogram)
Urethral Disruption
Incomplete
1. What will the RUG show?
2. Management is what?
Complete
- RUG shows what?
- Management?
Incomplete:
- RUG shows contrast extravasation but with contrast into bladder
- Management is catheter drainage
Complete
1. RUG shows contrast extravasation w/o contrast into bladder (rule out poor technique)
- Management: Suprapubic tube with:
- Early primary realignment, or
- Delayed reconstruction
Acute Urinary Retention
- How will it present?
- What will you see on the US or CT?
- Many causes such as? 7
- Sudden, unexpected, painful inability to void
- Abd / pelvic mass on exam, US or CT
- Many causes:
- BPH
- Urethral stricture
- Blood Clots
- Stone
- Drugs (antihistamines, narcotics, alpha adrenergics)
- Post op
- Overdistension
Acute Urinary Retention -
Management?
5
- Urethral catheter
- Lots of lube !!
- 14 French Coude tip - Suprapubic tube
- Suprapubic aspiration
- Watch for hematuria
- Post Obstructive diuresis uncommon with acute retention & normal Cr
Priapism
1. What is it?
Painful, prolonged (>4 hours) erection
Priapism
- What is the most common form?
- How will it present?
- Multiple causes? 4
- What is the other form?
- Usually due to what?
- Ischemic (Low flow; most common form)
- Compartment syndrome
- Multiple causes:
- Drugs (intracavernosal injections (MC), trazadone, cocaine, PDE5 inhibitors)
- Sickle Cell Disease
- Blood dyscrasias (leukemia)
- Idiopathic (30-50%) - Non Ischemic
(High flow due to AV fistula)
-Usually do to trauma
Priapism - Treatment
1. Pharmacologic? 2
- Surgical option? 2
- Pharmacologic
- Inject Phenylephrine .5 – 1mg q 10 min
- Flush with 1:100,000 epinephrine solution - Surgical
- Winter shunt
- Al Ghorab shunt
Acute Ureteral Obstruction: Diagnosis? 5
- Flank and/or abd pain
- Pain radiation to groin
- Nausea, vomiting
- UA
- Noncontrast Abd/pelvic CT
Acute Ureteral Obstruction
1. How will the flank or abdominal pain present? 3
- What will the UA show? 2
- What will the noncontrast and/pelvic CT show? 2
- Colicky, cramping
- Unable to lay still or find comfortable position
- Non positional !
- Hematuria present with 85% of stones
- Pyuria w/ epithelials, w/o nitrites, bacteria suggests contamination
- All stones are seen
- Pleboliths can be misleading
Acute Ureteral Obstruction
Etiologies? 6
- Stones
- Clot
- Retroperineal Fibrosis
- Surgical mishap
- Bladder outlet obstruction
- Malignancy (ureter, RP nodes, adjacent organs)
Acute Ureteral Obstruction
1. Emergent situations? 3
- Nonemergent? 5
- Solitary kidney
- Bilateral obstructin
- Associated infection
- Pyuria without other evidence of infection (pos. nitrites, bacteruria, etc)
- Hydronephrosis
- Perinephric fluid (urine)
- Hematuria
- Mildly increased Cr
Acute Ureteral Obstruction
What will an associated infection show? 4
- Fever/chills
- High WBC
- Pyuria, bacteruria
- Hypotension, tachycardia
Acute Ureteral Obstruction
What ARE NOT CRITICAL FACTORS!?
2
STONE SIZE AND LOCATION
Acute Ureteral Obstruction: Emergent Management
3
- Ureteral stent
- Nephrostomy tube
- Stone removal with ureteroscopy delayed til after infection is resolved
Ureteral stent
- Requires what?
- Disadvantage?
- What drug will reduce symptoms?
Nephrostomy
- Advantages? 2
- Disadvantage? 2
Ureteral stent
- Requires surgery, anesthesia
- Convenient but potentially painful
- Flomax reduces symptoms
Nephrostomy tube
- Provides reliable, unequivocal drainage
- More comfortable
- Invasive and inconvient
Acute Ureteral Obstruction: Non-emergent Management
3
- Toradol!!
- P.O. analgesia
- Tamsulosin
Fournier’s Gangrene
- What is it?
- Mortality?
- Risk factors? 5
- Necrotizing infection of skin, fat and fascia of genitalia and perineum
- Synergistic infection with multiple aerobic and anerobic bugs
2 .20-30 % mortality !
- Risk Factors:
- Obesity
- Diabetes Mellitus
- Immunosupressoin
- Alcoholism
- Malnutrition
Fournier’s Gangrene Dx
- Hx? 3
- Exam? 7
- Imaging?
- Hx:
- Pain,
- swelling,
- fever - Exam:
- Fever,
- MS changes,
- tachycardia, tachypnea
- Erythema, edema,
- crepitus, fluctuance,
- discoloration (purple, black),
- purlulent drainage, foul odor !! - Soft Tissue Gas on Xray, CT or US
Fournier’s Gangrene
1. Treatment? 2
- Post op wound care? 5
- Wide, aggressive debridement
- Broad spectrum antibiotics to cover GP, GN and anerobes
- Post op wound care:
- Repeat debridement
- Dressing changes
- HBO
- Wound Vac
- Skin grafts, flaps
Testis Torsion
1. Extravaginal testis torsion will present how? 3
- Presumed to occur where?
- Prognosis?
Extravaginal
- Neonate with swollen, discolored scrotum (hemorrhagic necrosis)
- Nontender, firm testis with hydrocele
- Cord twists above tunica vaginalis
- Presumed to occur in utero
- Salvage is rare
Testis Torsion Intravaginal 1. Typically in what age group? 2. More or less common? 3. Within the what? 4. Will present how? 3
Intravaginal
- Typically in adolescents
- More common
- Within tunica vaginalis
- Acute scrotal and/or ipsilateral abd pain
- Firm, tender, high riding testis w/ hydrocele and edema
- Absent cremasteric reflex
Testis Torsion – Differential Diagnosis
3
- Torsion of testis appendage
- Epididymitis
- Incarcerated hernia
How will the following present:
- Torsion of testis appendage? 3
- Epididymitis? 2
- Incarcerated hernia? 2
- Blue dot sign
- Tender, firm nodule
- Normal ultrasound
- Doppler US shows normal testis flow,
- increased epididymal flow
- Bowel sounds in scrotum
- Gas in scrotum on US or xray
Testis Torsion - Intravaginal
1. Dx?
- Management? 3
- Doppler Scrotal ultrasound
- Absence of flow is 90% sensitive, 99% specific for torsion - Manual detorsion (rotate externally, laterally)
- Immediate Exploration with detorsion and bilateral fixation;
- orchiectomy for nonviable testis
Testis Torsion - Extravaginal
Management?
- Orchiectomy with contralateral fixation most common
- Timing is controversial due to anesthetic risk