polytrauma management.ppt
TRANSCRIPT
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POLYTRAUMA MANAGEMENT
DR THIT LWINSCHOOL OF MEDICINEUMS
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POLYTRAUMA Defined as “a clinical state following injury to the
body leading to profound metabolic changes involving multisystem’’.
OR
Patient with anyone of the following combination of injuries
TWO MAJOR SYSTEM INJURY + ONE MAJOR LIMB INJURY.
ONE MAJOR SYSTEM INJURY + TWO MAJOR LIMB INJURY. ONE MAJOR SYSTEM INJURY + ONE OPEN GRADE III SKELETAL INJURY. UNSTABLE PELVIS FRACTURE WITH ASSOCIATED VISCERAL INJURY.
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Polytrauma is not synonym of multiple fractures. Multiple fractures are purely orthopaedic problem as there is
involvement of skeletal system alone.
While in Polytrauma Polytrauma there is involvement of more than one system,like associated head/spinal injury, chest injury, abdominal or pelvic injury.
Polytrauma is a multi-system injury and needs management by a team of surgeons and physicians. Orthopaedic surgeon is one of the team member of trauma unit.
POLYTRAUMA / MULTIPLE FRACTURES
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Trauma - the leading cause of death in the first four decades of life
Death from trauma has a trimodal distribution:within
1.seconds to minutes 2.minutes to hours GOLDEN HOUR
3.several days or weeks
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“The Golden Hour”The Golden Hour is a theory stating that the best
chance of survival occurs when a seriously injured patient has emergency management within ONE hour of the injury.
Platinum 10 minutes: Only 10 minutes of the Golden Hour may be used for on-scene activities
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FIRST PEAK OF DEATH
Within minutes… -severe head injury -brain stem injury -spinal cord injury -heart lacerations -aorta -massive blood loss
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SECOND PEAK OF DEATH
Intracranial bleeding Chest injury Abdominal bleeding Pelvis bleeding Multiple limb injury
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THIRD PEAK OF DEATH
Several days or weeks -sepsis -multiple organ failure
Influenced by early management
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LIFE SALAVAGE 50% deaths due to trauma occur before the
patient reaches hospital. 30% occur within 4 hours of reaching the
hospital. 20% occur within next 3 weeks in the hospital. If preventive measures are taken 70% deaths
can be prevented meaning 30% deaths are non-salvagable deaths.
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Pathophysiology Traumatic injury leads to systemic inflammation
followed by a period of recovery mediated by a counter-regulatory anti imflammatory response
Within this inflammatory process, there is a fine balance between the beneficial effects of inflammation and the potential for the process to cause and aggravate tissue injury leading to ARDS and multiple organ dysfunction syndrome
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The initial massive injury and shock can give rise to an intense systemic inflammatory syndrome with the potential to cause remote organ injury
When the stimulus is less intense and would normally resolve without consequence, the patient is vulnerable to secondary inflammatory insults that can reactivate the systemic inflammatory response syndrome and precipitate late multiple organ dysfunction syndrome
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PATHOPHYSIOLOGY(TWO HITS HYPOTHESIS)
First hits -hypoxia, -hypotension-hypothermia-organ and soft tissue
injuries-fractures
Second hits -schaemia/reperfusion injuries
-compartment $ -operative interventions - infections)
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host defence response is characterized by local and systemic release of
-pro-inflammatory cytokines, -arachidonic acid metabolites, -proteins of the contact phase and coagulation
systems, -complement factors and acute phase proteins, -hormonal mediators: (SIRS),
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However, anti-inflammatory mediators are produced (compensatory anti-inflammatory response syndrome (CARS).
An imbalance of these dual immune responses seems to be responsible for organ dysfunction and increased susceptibility to infections.
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Hyperstimulation of the inflammatory system, by either single or multiple hits, is considered by many to be the key element in the pathogenesis of adult respiratory distress syndrome and multiple organ dysfunction syndrome
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Markers of Immune Response Inflammatory markers may hold the key to
identifying patients at risk for the development of post-traumatic complications such as multiple organ dysfunction syndrome.
It appears that, at present, only two markers, IL-6 and HLA-DR class-II molecules, accurately predict the clinical course and outcome after trauma.
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AIMS IN MANAGEMENT
“TO RESTORE THE PATIENT BACK TO HIS PREINJURY STATUS”
HAVING FOLLOWING PRIORTIES:
LIFE SALVAGE
LIMB SALVAGE
SALVAGE OF TOTAL FUNCTION IF POSSIBLE
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PHILOSOPHY FOR MANAGEMENT
ADVANCED TRAUMA LIFE SUPPORT (ATLS)-- based on
‘TREAT LETHAL INJURY FIRST, THEN REASSESS AND TREAT AGAIN’
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Triage 'do the most for the most‘Two phase of triage
(a)Pre-hospital –group into four priority group
(b) triaged by assessing patient ABCs ( within ATLS system)
T
R
I
A
G
E
Priority 1-Airway:severe face and neck woundPriority 2-Breathing:severe chest woundPriority 3-Circulation:severe bleeding & shock
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Category Definition Colour Treatment Example
P1 Life-Threatening
Red Immediate Tension Pneumothorax
P2 Urgent Yellow Urgent Fracture femur
P3 Minor Green Delayed Sprained ankle
P4 Dead White
TRIAGE
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Walk Airway Respiratory rate Pulse rate or Capillary return
T
R
I
A
G
E
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The steps in management are: Rapid primary survey Resuscitation Adjuncts to primary survey/resuscitation Detailed secondary survey Adjuncts to secondary survey Reevaluation Definitive care
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Primary Survey Airway with cervical spine control.
Breathing and ventilation
Circulation –control external bleeding.
Dysfunction of the central nervous system
Exposure (undress)/Environment(temp.) Control
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PRIMARY SURVERY
During the primary survey life threatening conditions are identified and management is instituted simultaneously.
•Tension pneumothorax
• open pneumothorax(sucking chest wound)
• Massive Haemothorax
•Open thoracic injury and Flail chest
•Cardiac temponade
•Massive internal or External hemorrhage
Priorities for the care of Adult , Pediatrics & Pregnancy women are all the same.
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Adjuncts to Primary Survey Vital Signs/ECG monitoring ABGs Pulse Oximetry/EtCO2( end tidal carbon dioxide) Urinary/gastric catheters (unless contraindicated) Urinary output ECG Chest x-rays (pneumothorax),pelvis x-rays
(lateral spine x-ray doesn’t exclude fracture or unstable neck & doesn’t alter management)
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Every team must have a final decision maker,the captain.The team must be:
a) able to evaluate the patient swiftly. b) Willing to discuss the effect of the management of
one problem on other. c) Able to arrive at decisions quickly. d) Efficient in regard to performing lifesaving
procedures .
TEAM APPROACH
Anesthetist.General surgeon NeuroSurgeon Orthopedic surgeon
A TEAM consists of:
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Assess Airway If pt conscious airway is maintained
Open if necessary using jaw-thrust maneuver
Consider oro- or naso-pharyngeal airway
Note unusual sounds and correct cause
Snoring – oro-/naso-pharyngeal airway
Gurgling – suction
Stridor – consider intubation
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SIGNS OF AIRWAY OBSTRUCTION
LOOK
AGITATION
POOR AIR MOVT.
RIB RETRACTION
DEFORMITY
FOREIGN MATERIAL.
LISTEN
SPEECH?”HOW ARE YOU’’
HOARSENESS.
NOISY BREATHING
GURGLE.
STRIDOR.
FEEL
FRACTURE CREPITUS.
TRACHEAL DEVIATION.
HEMATOMA.
FACE.
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DEFINITIVE AIRWAYCuffed tube in trachea secured thoroughly with oxygen enriched gas supplementation.Indications for definitive airway-
A=Airway-Obstructed airway. -Inadequate Gag reflex B=Breathing-Inadequate breathing. -oxygen saturation less then 90%. C=Circulation-systolic BP < 70 mm Hg despite resuscitation. D=Disability-Coma. -GCS less then 8/15. E=Environment-Hypothermia Core temp<33degree C.
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BREAHTING
LOOK•CYANOSIS•CHEST ASSEMATRY•TACHYPNOEA.•DISTENDE NECK VEINS.•PARALYSIS.
LISTEN•I CAN’T BREATH•STRIDOR•WHEEZING•DECREASED BREATH SOUNDS.
FEEL•CHEST TENDERNESS• DEVIATED TRACHEA• SURGICAL EMPHYSEMA
•Airway patency does not assure adequate ventilation.
•Rate, Rhythm, Depth (tidal volume)
•Use of accessory muscles/retractions
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WHEN TO VENTILATE?
Apnoea
Hypoventilation.
Flail chest.
High Spinal cord injury.
Diaphragmatic injury.
Head injury GCS < 8
Hypercapnia.
Hypothermia.
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*Protection of the spine & spinal cord is the important management principle.
*Neurological exam alone does not exclude a cervical spine injury.
*Always assume a cervical spine injury in any pt with multi-system trauma, especially with an altered level of consciousness or blunt injury above the clavicle.
Airway Maintenance withAirway Maintenance with Cervical Spine ProtectionCervical Spine Protection
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TENSION PNEUMOTHORAX
Diagnosis should usually be clinical, not radiological
Three cardinal signs1.absent breath sounds2.deviated trachea
3. hyper-resonance Immediate management – needle thoracocentesis
by insertion of a 14-gauge cannula into the pleural cavity through the 2nd ICS, in mid-clavicular line.
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Tension Pneumothorax
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Chest Tube
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CARDIAC TAMPONADE 3 classic criteria (Beck’s triad)
-3 “D’s”Distended jugular veinDecreased arterial pressureDistance heart sound (muffled)
Pericardiocentesis Subxiphoid pericardial window or emergency
pericardiotomy
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Flail chest Paradoxical respiration
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Examination findings
Tension pneumothorax Massive haemothorax Cardiac tamponade
Inspection • Respiratory distress/tachypnoea
• Distended neck vein• Chest wall - Unequal movement- Contusion
/laceration/abrasion
• Respiratory distress/tachypnoea
• neck vein may flat• Chest wall - Unequal movement- Contusion
• Respiratory distress/tachypnoea
• Distended neck vein
• Chest wall - Unequal
movement- Contusion
Palpation • Tachycardia with hypotension
• Tracheal shift• Surgical emphysema• Palpable rib fracture
• Tachycardia with hypotension
• Tracheal shift• Surgical emphysema• Palpable rib fracture
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INTUBATION IN PATIENTS OF CERVICAL INJURY
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1. cricothyroidotomy •last resort for airway control. •Y connector with O2 at 15 l/min. •Intermittent jet insufflation- sedate
& paralyze, only for 30-45min.
EMERGENCY RESUSCITATION MEASURES TO MAINTAIN ADEQUATE AIRWAY AND BREATHING
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Intercostal drain 4th or 5th intercostal space, mid-
axillary line local anaesthetic down to pleura ‘above the rib below’ blunt dissection. finger
exploration pass large drain on forceps
superior & posterior. underwater drain pursestring suture
EMERGENCY RESUSCITION MEASURES TO MAINTAIN ADEQUATE AIRWAY AND BREATHING
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ASSESS CIRCULATION - PULSES
Compare radial and carotid pulses
Rhythm Regular Irregular
Quality Weak Thready Bounding
“Rapid,low amplitude with narrow pulse pressure indicates SHOCK.”
• Rate–Normal–Fast–Slow
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ASSESS CIRCULATION
SKIN -Color -Temperature -Moisture
BRAIN - Level of consciousness.
KIDNEYS - Urine output.
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CAUSES OF MAJOR BLEEDING THE BIG FIVE:
EXTERNAL visual inspection Local Pressure
THORACIC Primary survey and CXR .
intercostals tube insertion
PELVIC pelvis X-ray. Usually self limiting/ pelvic ring closure
LONG BONES clinical examination.
Spontaneously traction splintage
ABDOMEN
clinical findings/exclusion of other/USG/CT/DPL
Lapratomy
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Positive if
Bile or intestinal contents
More than 20ml frank blood aspirated prior to running in the lavage fluid
After infusion of the fluid, more than 100,000 red cells/mm3 (blunt trauma) or
10-50,000/mm2 (penetrating trauma)
Elevated amylase
WBC > 500 / mm3
DIAGNOSTIC PERITONEAL LAVAGE (CLOSED TECHNIQUE)
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50% of trauma death are due to head injuries
Simple Mnemonic to describe level of consciousness
A : Alert
V : Responds to Vocal stimuli
P : Responds to Painful stimuli
U : Unresponsive to all stimuliNot forget to use also Glasgow Coma Scale.
DISABILITY DISABILITY ( NEUROLOGICAL EVALUATION)( NEUROLOGICAL EVALUATION)
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Glasgow Coma Score If GCS < 10 CT head is indicated
Limitations of GCS:-
Does not include pupillary assessment
Does not identify abnormal lateralization of motor response Minimum score is 3
Eye OpeningSpontaneous 4To voice 3To pain 2None 1
Verbal ResponseOriented 5Confused 4Inappropriate words 3Incomprehensible sounds 2None 1
Motor ResponseObeys command 6Localizes pain 5Withdrawn (pain) 4Flexion (pain) 3Extension (pain) 2
None 1
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Signs of Severe Head Injury
Unequal pupils Unequal motor examination An open head injury with exposed brain
tissue Neurological deterioration Depressed skull fracture
These are signs of severe head injury irrespective of CGS score
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• Patient should be undressed to facilitate thorough examination.• Warm environment (room temp) should be maintained• Intravenous fluid should be warm. • Early control of hemorrhage.
E. E. EXPOSURE /EXPOSURE / ENVIRONMENTAL CONTROLENVIRONMENTAL CONTROL
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A.Airway Definite airway if there is any doubt about the pt’s
ability to maintain airway integrity. A definite airway is a cuffed tube in the trachea.
B. Breathing /Ventilation/Oxygenation Every multiple injured pt should received supplement
oxygen. A clear distinction must be made between an adequate
airway and adequate breathing.
RESUSCITATIONRESUSCITATION
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C. Circulation
•Control bleeding by direct pressure or operative intervention
•Minimum of two large caliber IV(16G) should be established• Lactated Ringer is preferred & better if warm.
RESUSCITATIONRESUSCITATION
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Children less than 6 y/o for IV access is impossible due to circulatory collapse or for whom percutaneous peripheral venous cannulation had failed on two attempt
Venescetion•Greater saphenous vein 2cm ant and superior to medial malleolus•Antecubital medial basilic vein 2cm lateral to medial epicondyle
Intraosseous Puncture/InfusionIntraosseous Puncture/Infusion
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Initial Fluid TherapyInitial Fluid Therapy
Lactated Ringer is preferred
For adult 1-2 liters bolus
For child 20ml/kg bolus
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3 3 FOR 1 RuleFOR 1 Rule
a rough guideline for the total amount of crystalloid volume acutely is to replace each ML of blood loss with 3 ML of crystalloid fluid, thus allowing for restitution of plasma volume lost into the interstitial & intracellular space
AB+RL RL RL
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RESPONSE TO EARLY RESUSCITATIONRESPONSE TO EARLY RESUSCITATION
MONITER:•PULSE.•BP.•SKIN -
PERFUSION.•CONSCIOUSNESS•URINE OUTPUT.•-ABGs
RAPID RESPONSE
BE CAREFULL ,MAY STILL BECOME UNSTABLE AGAIN. & REQUIRE SURGERY .
TRANSIENT RESPONSE
STOP THE BLEEDING.
MINIMAL RESPONSE
-GO TO O.T.
ADVERSE RESPONSE
•COAGULOPATHY.•HYPOTHERMIA •UNDER RESUSCITATION
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Focused History and Physical AMPLE History
A – allergies M – medications P – past medical history L – last oral intake E – events leading up to the incident
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ADJUNCT TO PRIMARY SURVEY & RESUSCITATION
A. Electro-cardiographic Monitoring
B. Urinary & Gastric Catheter
C. X-Ray & Diagnostic Studies
C-spine lateral , CXR, Pelvic film (TRAUMA SERIES)
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SECONDARY SURVEYSECONDARY SURVEY• Head to Toe evaluation & reassessment of all vital
signs.
• History (AMPLE)
• Physical examination
• Tubes and fingers in every orifice
• A complete neurological exam is performed including a GCS score.
• further diagnostic test-imaging CT,MRI-SCIWORA,Ultrasound-FAST
• Re-evaluation.
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7. ADJUNCT TO THE SECONDARY SURVEY
include additional x-ray and all other special procedure.
8. RE-EVALUATION
Adult urine output 1ml/kg/hr
Pediatric urine output 1ml/kg/hr
99. DEFINITE CARE
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End point of resuscitation Stable hemodynamics Stable oxygen saturation Lactate level below 2 mmol / L No cogaulation disturbance Normal temp Urinary output > 1ml /kg/hr No requirement of inotropic support
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Polytrauma in pregnant female
Tratement priorities are same as for non pregnant pt Unless spinal injury is present pt should be examined
in left lateral position Pt can loss upto 35%of blood before tachycardia and
hypotension appears Fetus may be in shock while mother appears normal 1st resuscitate the female than monitor the fetus
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Management of life threatening orthopedic injuries
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Spinal injuries Any pt suspected of
spinal injury must be immobilised unless spine has been cleared
Cervical collar Spine board Log roll technique
Log roll technique
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Neurological shock (Low BP & HR) Spinal shock - Flaccid areflexia Flexed upper limbs (loss of extensor innervation
below C5) Responds to pain above the clavicle only Priapism – may be incomplete. Diaphragmatic breathing
Signs in an Unconcious patients
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Spine clearancePurpose: to identify accurately and early following blunt injury to the spine
the presence or absence of a diagnosis of spinal column injuryEnsure that There is no spinal injury to produce avoidable disabiity or symtomps There is no important Fracture We avoid overprotection with its attendant risk In all pt consistent with spinal injury maintain spinal preacutions
untill thorough clinical and radiographic evaluation of spine is completed
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Pelvic injuries
Pelvic injury is one of few bony injury that can lead to death
Pelvic injuries are accessed during secondary survey
Pelvis x ray is mandatory in polytrauma patient Can lead to life threatening hemorrhage Open pelvic # 50% mortality Uretheral injury transurtheral catheter or
suprapubic catheter
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Immediate management of severe pelvis bleeding Pneumatic antishock
trousers
Pelvis External fixator
If delay >30 min temporary measure complications
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