Abdominal Trauma Ramon Garza III M.D.. Boundaries of Abdomen Superior- Diaphragm Inferior-...
Transcript of Abdominal Trauma Ramon Garza III M.D.. Boundaries of Abdomen Superior- Diaphragm Inferior-...
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Abdominal TraumaAbdominal Trauma
Ramon Garza III M.D.
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Boundaries of Abdomen
• Superior- Diaphragm
• Inferior- Infragluteal fold
• Medial/Lateral- Entire circumference of torso
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Abdominal Divisions
• Intrathoracic Abdomen
• True Abdomen*
• Pelvic Abdomen
• Retroperitoneal abdomen
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Intrathoracic Abdomen
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Pelvic Abdomen
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Retroperitoneum
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Blunt Abdominal Injuries
• 60% of abdominal injuries
• Liver, Spleen, and retroperitoneal hematomas are most common injuries
• Liver > Spleen
• Spleen more clinically significant
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Penetrating Abdominal Injuries
• Handguns 80%
• Stab Wounds 20%
• Handguns = High Kinetic Energy = Higher Injury Potential
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Initial Management
• ABC’s• 2 Large Bore Peripheral IV’s
– Above Diaphragm
• Resuscitate w/ LR/NSS– Especially important in TBI– Should not delay operative intervention
• Don’t forget CXR and Pelvic films as other sources of hemorrhage
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Diagnostic Penetrating
• If HD unstable-> OR• If HD stable:
• Obvious peritonitis -> OR• Gun: KUB w/ markers, if tangential ? CT, no FAST• Knife: check fascial integrity, CT, laparoscopy, DPL
*CT should be…
contrast x 3
** If laparoscopy…
careful w/ diaphragmatic injury ->
tension pneumothorax
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Diagnostic Blunt
• HD unstable -> FAST, Pelvic Film, DPL, vs OR
• HD Stable -> CT A/P, serial abd exam– CT can miss hollow viscous injury– Can trend amylase and lipase
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F.A.S.T.
• Look at 4 sites– Right Subhepatic Space “Morrison’s
Pouch”– Left Upper Quadrant– Pericystic Area (better to have no Foley)– Pericardial Space
• What to look for?
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F.A.S.T of Morrison’s Pouch
LIVER
Kidney
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F.A.S.T.
• Good for blunt abdominal trauma
• Not reliable for penetrating injuries except….– to evaluate pericardial space
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Diagnostic Peritoneal Lavage
• Positive findings in Blunt Trauma:– 10cc blood on initial draw back– Greater than 100,000 RBC/mL– Enteric Contents
• Positive findings in Stab Wounds– 10cc blood on initial draw back– Greater than 10,000 RBC/mL– Enteric Contents
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How to perform DPL
• Pelvic X-ray- if fx incision cephalad to umbilicus
• Foley Catheter• Prep/Drape• 3cm vertical infraumbilical incision down
to linea alba• PD catheter directed into pelvis
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How to perform a DPL
• Aspirate initially
• 1L warm NSS (10mL/Kg for children)
• Drop IV bag back to floor and let fluid siphon back into bag
• Analyze fluid
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Decision for OR
• Foley
• Start broad spectrum Abx– D/c’d 24hrs post surgery even if hollow
viscous injury (except colon)
• Tetanus prophylaxis: booster vs IG
• Prep from sternal notch to middle thighs
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OR
• Vertical Midline Incision• Evacuate obvious clots/blood• Pack all 4 quadrants• Can clamp aorta at diaphragmatic
hiatus• Obvious hollow viscous injuries->
rapidly controlled w/ staple vs running suture vs Babcocks
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OR cont
• Allow anesthesia to catch up once bleeding controlled
• Stop and think about case and what to do next
• Avoid hypothermia from resuscitation• Methodically Explore Abdomen• If damage control-> minimize OR time
and take to ICU to resuscitate
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Specific Abdominal Injuries
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Diaphragmatic
• Repair all injuries to avoid intraabdominal herniation
• Repair primarily w/ permanent suture or w/ prosthetic material if too large
• Early repair through abdomen
• Late repair can be transthoracic
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Spleen
• Kehr’s sign: pain in L shoulder• CT w/ blush-> Angio embolization• If or have to mobilize tail of pancreas w/
spleen • Try to use topical hemostatic agents to
control bleeding• No need to anticoagulate w/ post
splenectomy thrombocytosis
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Liver
• CT is best tool to evaluate liver injury• Angio for liver injury w/ blush• No strenuous activity x 3months• Use Pringle maneuver to control bleeding
– If does not work-> ? Bleed from hepatic vein vs replaced R hepatic artery
• Post operatively give D10 fluids and Factor VII may be needed for coagulopathic pts
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Pringle Maneuver
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Stomach
• Take down gastrocolic ligament from left side to medial
• Evaluate posterior portion of stomach
• Low threshold for VATs if diaphragmatic injury is also present to washout chest
• Rarely injured in blunt trauma
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Duodenum
• Dx by imaging w/ GI contrast• Kocher to evaluate • Repair in two layers
– Vicryl for inner layer– Silk for Lembert– Close transversely
• Drain periduodenal area• Duodenum does not require drainage• Can use jejunal patch, RY D-J, Trauma
Whipple
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Kocher Maneuver
RightKidney
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Small Intestine
• Definitive repair should not be performed until all of the bowel is evaluated– Use Babcocks to control contamination
• Resect segments w/ >50% injured• Débride devitalized portions of SI• If shotgun injury w/ multiple enterotomies plan
for repeat Ex-Lap• Chance fx in lumbar spine-> check for SB
injury (repeat CT w/ GI contrast)
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Colon/Rectum
• If colon injury-> Abx 2-3 days• Can perform primary repair if no
hypotension, other significant organ injury, < 6hrs since injury, and EBL < 1L
• DRE to check for blood, sign of rectal injury
• Proctoscopy/Sigmoidoscopy to evaluate rectum
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Retroperitoneal HematomasAlways Explore
ExplorePenetrating
ExplorePenetrating