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 ©Copyright
 Published: 28/11/2011


Paediatric Penetrating Trauma
Danny Cass


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Outline

Paediatric Trauma
-Penetrating Injuries
Daniel T Cass
Professor, Director of Trauma
Children’s Hospital, Westmead, Sydney

AIMS
1. Detail the dimension of the problem
2. Describe injuries and treatment
3. Discuss the mental approach

PENETRATING TRAUMA (Paediatric)
 Definition: to pierce – sharp
– Not motor mowers or machinery
– Not dog bites
 Data
– Jan 1988 to Dec 2000 (13 years)
 34 cases {2.6 per year} Paed. Child Health 38: 487 (2002)
– Jan 2001 to June 2005 (5.5 years)
 125 cases {22.7 per year}
– More complete data collection
– Increased services (eye)
– Peripheral Hospitals refer increasing numbers of minor cases

Trauma care
Model of Philosophical approach
When you enter the ED department to assess and then provide definitive care to a trauma patient do you feel like:
1. an Airline pilot: walking to plane with protocol checklist
2. a Cricketer strolling to the batting crease
It’s not airlines it’s cricket

Penetrating injury - CHW data
Jan 2001- June 2006 (5.5 years)
 125 patients (1.2% of admission)
 4 ISS>15 (2.63% of serious injuries)
 1 death
 65% male
 Even distribution throughout childhood
– 0-4y: 46; 5-10y: 44; 11-16y: 35
 Location
– Home 83%, Park 4%, School 3%
 Assailant
– Self 80%, Known 12%, Stranger 7%

Penetrating injury - CHW data
Jan 2001- June 2006 (5.5 years)
 Penetrating Objects
– Needles/Pins 38
– Wood/Stick 16
– Sharp Metal 15
– Knife 10
 Stab 5
 Accidental 5
– Glass/ceramic 7
– Gun 5
 Firearm 1
 Air/slug gun 2
 Nail gun 1
 Spear gun 1
– Pencil/pen 4
– Umbrella 3

Penetrating injury - CHW data
Jan 2001- June 2006 (5.5 years)
 Injury type (n = 114)
– Foot 38
– Eye 34
– Hand 9
– Leg 8
– Mouth 6
– Thorax 5
– Perineal 3

A: Airway
 Case 1
 Boy riding farm bike and hits wire fence
 Hoarse voice
 At ease when sitting up and forward

B: Breathing
 18 yo boy BIBA after stabbing – set upon by gang, stabbed with ? Scissors (pts own)

 Stable at scene, some dyspnoea
Management

C: Circulation
DM – penetrating neck injury
 After 70 minutes pronounced deceased

 Postmortem:
– No airway breach
– No pneumothorax laceration
– Internal carotid artery partially transected with massive haematoma compressing trachea
 Review:
– development of “code crimson” where such patients taken straight to anaesthetic bay in theatre and full ED resuscitation trolley set up
– trial of 2 trauma surgeons taking 6am-10pm “trauma attend” calls

Subtle Cases - 1
 4 year old girl
 Did not walk following injury
 GP noticed wound over right chest wall
 CXR normal
 Presented to RHSH 3/7 following injury.
 Wetting herself more frequently since accident

Examination
 Alert and appropriate. Entry wound over right chest wall. No CSF leak.
 LL flaccid. No spontaneous movement. MRC grade 3/5 power in all LL muscle groups to tickle. LL reflexes absent, but anal tone normal. Sensation appeared reduced R > L LL. Reduced temperature and proprioception R LL. Plantars extensor.

Subtle Case - 2
 12 year old boy

Examination
 Alert, orientated, GCS 15.
 Puncture wound at L3 without CSF leak
 LL – grade 0/5 power L LL, 4-5/5 RLL
- L KJ and AJ absent, tone flaccid
- dysaesthesia L L5 dermatome
- PR normal tone
- Plantars equivocal

Conclusions
 Stab injury to the paediatric spinal cord is rare
 ABC approach
 MRI of spine
 Indications for operation remain controversial
 Spinal injury care starts at time of injury
 A hopeful outlook is appropriate as a degree of recovery will occur in most patients

Perineal injury
• 9 year old girl presented 2 hrs post injury at 1630
• History of straddle injury

Initial Management
• Had small vomit following clear fluids, kept fasted and admitted for observation
• Passed urine
• Overnight became febrile, ongoing small fresh blood losses PV
• Abdominal pain slightly improved, slept
• Review on ward in morning: persistent vaginal ooze and abdominal tenderness
• Decision made for formal EUA

EUA
• Vaginoscopy and Proctoscopy performed
• Findings:
• Anterior anal fissure
• Large full thickness laceration of rectovaginal wall
• Discussion with both parents who confirmed likely history
• Decision for laparotomy

Laparotomy
• Laceration from anterior anal verge through rectovaginal wall
• Anterior vaginal wall also lacerated with intraperitoneal extension
• Diverting colostomy performed with primary repair of the laceration

Perineal Trauma: lessons
• Perineal trauma is uncommon in children but can cause a wide spectrum of serious injuries
• Most common symptom is bleeding from the perineum
• May be minimal signs/symptoms
• Children <10years (especially females) with a history of perineal trauma must undergo EUA to exclude injury
• Grading anorectal injuries may assist in determining treatment

SUMMARY
PENETRATING TRAUMA (Paediatric)
 Most are single system and simple
– Feet/eye: needles/sticks
 Occasionally life threatening
– Need a rapid response gear – code crimson
 Small subset of penetrating trauma are very tricky
– Few signs: anatomy means thin external tissues
– History, History, Examination; History in notes, Re-examination

SUMMARY
Documented history and examination
 Tests
– MRI for spinal
 Explore any penetrating injury unless the consultant has personally managed 10 similar cases
– Glass, knives: the internal injury is always much greater than appears from the surface lesion


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