GENITOURINARY TRAUMA - wickUPwickup.weebly.com/uploads/1/0/3/6/10368008/genitourinary_trauma.pdf ·...
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GENITOURINARY TRAUMA
Symposium 2012
DR. R Feilat
Urology Department
University of Pretoria
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Outcomes
• When to suspect urogenital trauma
• Trauma in children
• Resuscitaion
• investigation/s of choice
• classification of injuries
• Emergency /Initial treatment
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Common scenario
• Person sustained trauma
• Haematuria
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Clinical case
• 32 yrs old male
• Pedestrian vehicle accident
• Has macroscopic hematuria
• GCS 15
• BP 120/70
• Pulse 120
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• Abd bruised and distended localised tenderness
• Rectal exam -NAD
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Investigations
• Laboratory
– FBC
– U&E
– X Match
• Radiological
– X-rays • CXR, C Spine
• Pelvis
– Ct Scan • Abdomen
• VCUG
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RENAL TRAUMA
• Conservative management
– Strict bed rest
– Antibiotics
– Serial hematocrit
– Follow-up sonar 3 days
– Serial drop in heamatocrit - second transfusion - embolization
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Surgical management
• Major injury
• Expanding lateral hematoma
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GENITOURINARY TRAUMA
• GUT Injuries associated- trauma to chest, abdomen and pelvis.
• Optimal management - rapid team approach • assessment & institution of life-preserving therapy.
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This process includes:
• Preparation- Triage
• Primary survey
• Resuscitation
• X-rays
• Secondary survey • (head-to-toe evaluation/tubes and fingers in
every orifice)
• Re-evaluation & definitive care
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KIDNEY
• Renal trauma - penetrating or blunt
• Clinical picture
– Bruising
– 12th rib Fracture
– Shocked or stable
– Gross or microscopic heamaturia
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RENAL INJURY SCALE
Grade Injury Description
I I Contusion Microscopic or gross hematuria, urologic studies normal
Haematoma Subcapsular, nonexpanding without parenchymal laceration
II II Haematoma Nonexpanding peri-renal haematoma confined to the renal
retroperitoneum
Laceration < 1 cm parenchymal depth of renal cortex without urinary
extravasation
III III Laceration > 1 cm parenchymal depth of renal cortex without
collecting-system
rupture or urinary extravasation
IV IV Laceration Parenchymal laceration extending through the renal cortex,
medulla, and collecting system
Vascular Main renal artery or vein injury with contained hemorrhage
V V Laceration Completely shattered kidney
Vascular Avulsion of renal hilum which devascularizes kidney
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MINOR (85%)
A. Contusion
B. Subcapsular haematoma
C. Superficial laceration
Conservative management
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INTERMEDIATE (10%)
A. Fracture
B. Deep laceration
C. Pelvic and valiceal tears
Conservative or laparotomy
(C)
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MAJOR (5%)
A. Shattered kidney
B. Pedicle injuries
B1. Renal artery
thrombosis
B2. Vessel injury
B3. Pelvis injury
Laparotomy
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RENAL TRAUMA IN CHILDREN
• Criteria for special investigations
– Gross hematuria
– >50 RBS/ hpf on MCS
– Hypotension is a late manifestation thus not reliable
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Who requires radiological evaluation
• Hematuria
• Flank pain
• Stab wound
• Gunshot wound
• ?
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• penetrating trauma -Flank abdominal
– 30% ureteric injury without hematuria
• Blunt trauma
– With gross hematuria
– Microscopic hematuria + shock
– Pediatric
– Deceleration injury
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Why is IVP NOT the gold standard any longer?
• Correct staging?
• 30% false information of major injuries
• Can't differentiate -minor vs. major
• 60% nonfunctioning kidney
• Associated intraabdominal injuries?
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OBJECTIVES OF IMAGING
• Stage the injury
• Recognize pre-existing pathologies
• Function of opposite kidney
• Identify ass. Injuries
• CT Scan = gold standard
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URETERIC TRAUMA
The ureter - least commonly injured portion of the genitourinary tract.
Small size, mobility, protected location
1% of all urinary tract trauma
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CAUSES
• External trauma (penetrating or blunt)
– Blunt-18%
• # lumbar process
• Thoracolumbar dislocation
• Iatrogenic -75% • 70% gynaecological
• 15% general surgery
• 15% urology
• Penetrating -7%
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level
» 13%
» 13%
» 74%
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URETERIC TRAUMA
• Clinical picture
– Method of injury – High index of suspicion
– Micro/macro hematuria
• 25 – 45% stab/gunshot injuries = NO HEMATURIA
– Visceral injury – common (39 – 65%)
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URETERIC TRAUMA
• Diagnosis
– CT – Abdomen with AXR post contrast
– One shot IVP intra operatively
– Retrograde pyelogram
– Surgical exploration of projectile tract
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MANAGEMENT
Ureteral injuries are classified based on five criteria that affect the management
Grade of injury
Mechanism of injury (blunt versus penetrating)
Level of injury (upper, middle, lower)
Time of recognition (immediate versus delayed)
Presence of associated injuries
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URETERIC TRAUMA
• WHAT CAN YOU DO?
• Unsure – Tie of ureter and place a clip(proximal and distal)
– Refer
– Nephrostomy + referral delayed
• Surgical experience – Primary ureteroureterostomy over a JJ stent
– Place a pencil drain in the area
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Open surgical repair depends on the level and extent of ureteral injury.
Direct end-to-end re-anastomosis
Ureteroneocystostomy
Psoas-hitch technique
(Boari-Ockerblad flap)
Trans-uretero-ureterostomy
Ileal ureteral substitution
Autotransplantation
Nephrectomy
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Trans-
ureteroureterostomy
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Psoas hitch
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Thank you
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BLADDER TRAUMA
• Blunt and penetrating trauma
– Extraperitoneal rupture
– Intraperitoneal rupture
Blunt and penetrating trauma
Extraperitoneal rupture
Intraperitoneal rupture
Blunt and penetrating trauma
Extraperitoneal rupture- 60%
Intraperitoneal rupture-30%
Combined-10%
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ASSOCIATED INJURIES
• 80% pelvic fractures
• 15% associated with ureethral ripturer
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BLADDER TRAUMA
• Clinical picture – Gross heamaturia – 80-95%
– Microscopic hematuria10-15%
– abdominal tenderness
– Pelvic/perineal bruising
– Inability to void
– Absent bowel sounds
– Abdominal sepsis(late) + High urea and creatinine
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BLADDER TRAUMA
• Diagnosis
– Urethragram – normal – pass catheter
– Cystogram = gold standard
• Control X – Ray
• 300 – 400 ml contrast
• AP + lateral
• Empty bladder
• AP
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BLADDER TRAUMA Management
• Intraperitoneal rupture
– High mortality rate
– Surgical repair
• Penetrating injuries
– Surgical repair
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• Extraperitoneal rupture • Look for bone fragment
• Bladder neck involvement Surgical repair
– Two options
• Large bore catheter – F20
• Surgical repair
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URETHRAL TRAUMA
The urethra in the male is divided for treatment purposes
• anterior- (penile and bulbar) segments
• posterior (membranous and prostatic) segments.
Urethral trauma in the female is much less
common than in the male
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URETHRAL TRAUMA
Mechanism of injury
Posterior
• Pelvic rami fracture
• Penetrating injury
Anterior
• Straddle injury
• Blunt trauma
• Penetrating trauma
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URETHRAL TRAUMA
• Clinical picture
– Meatal blood
– Urinary retention
– Heamatoma/bruising of perineum
– Heamaturia
– Swollen penis
– Floating prostate
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URETHRAL INJURY TREATMENT
Posterior
• Manage life threatening injuries
• Urethragram
– Intact = catheterize cystogram
– Partial = Gentle catheterization
– Complete = suprapubic catheter cystogram (10-17%) surgical + endoscopic re alignment -72hours (surgeon’s preference)
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TREATMENT
Rail roading
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Normal Urethragram
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Urethral rupture
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URETHRAL TRAUMA
TREATMENT
Anterior
• Penetrating – explore surgically (caution with debrediment) – primary anastomosis (bowing of penis) – – Unsure = dressings + s/p catheter
• Blunt/crushing injuries – urethragram suprapubic catheter
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Urethral trauma
• Complication
– Stricture
– Impotence
– Incontinence
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GENITOPERINEAL INJURY
Initial management
• Analgesia
• Sedation
• Antibiotics
• Irrigation
• Debridement
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Urogenital Trauma
• General state
• Associated injuries
• Local extent of injury
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CLASSIFICATION OF GENITOPERINEAL INJURY
1. Penetrating trauma
2. Blunt trauma
3. Zipper entrapment
4. Burns (thermal, chemical or electrical)
5. Avulsion injuries
6. Penile fracture
7. Penile amputation
8. Penile strangulation
9. Human and animal bites
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Penile fractures
• Clinical
– Popping sound
– Pain
– Immediate detumescence
– Penile heamatoma + bruising
• Surgical exploration
– Circumsision skin incision
– Deglove penile skin
– Repair tunica albuginea
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Complications
• Early
– Bleeding
– Infection
• Late
– Erectile dysfuction
– Chronic pain
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SCROTUM AND TESTIS
SCROTAL TRAUMA
Penetrating Blunt
Exploration Sonar
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SCROTUM AND TESTIS
BLUNT TRAUMA – WHO TO EXPLORE
• Uncertain clinical/sonar findings
• Massive heamatocele
• Intra testicular heamatoma
• Testicular rupture
– Blood testis barrier
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Testicular rupture
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Intra testicular heamatoma