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Burn Injury
Etiology
• Flame  common in adults
• Scald  common in children
• Contact
• Chemical  alkaline > acid
• Friction
• Electrical
• Frostbite
Pathophysiology
• Zone of coagulation
• Cell necrosis
• Zone of stasis
• Cells are still alive
• Microcirculation damage 
vasoconstriction
• Critical  can progress into
coagulation
• Zone of hyperemia
• Vasodilation
• Systemic  10% (children), 20%
(adults)
Systemic reaction
• Happened in >20% TBSA burns
• Fluid and electrolyte balance
• Vasodilation + cytokines release  increased capillary permeability 
increased molecules transport (diffusion, filtration, molecule transfer) 
albumin transport to interstitial  edema
• Transport of Na into the cell + K out of cell
• Dissolve of intercell substances  increased osmotic pressure in interstitial
• Fluid and protein leak into interstitial  hypovolemia
• Hypermetabolic state  release of stress hormones  protein degradation,
catabolism state
• Nerve system
• Anxiety  pain, shock, hypoxia
• Cardiovascular
• Tachycardia  catecholamin release (stress hormone), hypovolemic response
• Respiratory
• Inhalation trauma
• Bronchoconstriction  hyperventilation
• Inflammation on alveoli  disturb oxygen diffusion  ARDS
• Urinary system
• Decreased glomerulus function  decreased urine production  kidney
failure
• Gastrointestinal system
• Decreased blood supply  paralytic ileus, decreased absorption
• Impaired gastric mucosa function  mucosal erotion  Ulcer (Curling’s
ulcer), GI bleeding, bacterial translocation
• Immune system
• Immune depression (decreased lymphocites activity, complement,
neutrophyls)  risk of infection
Burn depth
Burn Area Estimation
• Only 2nd and 3rd burn degree
• Methods:
• Palmar surface method
• Rules of Nine
• Lund and Browder Chart
• Palmar surface method
• Use patient’s palm (including fingers) = 0,78% TBSA
• For <15% or >85% burns
Rules of Nine
• Adult & children >10 years old
• Children 1 year old
• Increase in 1 year  extract 1% from head
 divide 0,5% to each legs
Lund and Browder Chart
Burn Classifications (American Burn
Association)
• Major burn
• 2nd – 3rd degree >20%  <10 or >50 yo
• 2nd – 3rd degree >25%  10-50 yo
• Burns at face, ears, hands, feet, perineum
• Inhalation injury, high-voltage electrical burn
• With other trauma
• High risk patients
• Moderate burn
• 3rd degree <10%
• 15-25% in adult
• 10-20% in <10 or >40 yo
• No face, hands, feet, perineum involvement
• Minor burn
• <15% burns in adult
• <10% burns in children and geriatric
• <2% burns in all ages, no face, hands, feet, perineum involvement
Inhalation injury
• Increasing burn mortality risk (30%)
• Classification:
• Obstruction  supraglottic
• Pulmonary injury  subglottic
• Cell hypoxia  systemic intoxication
• Gold standard for diagnosis: bronchoscopy
Obstruction
• Inhalation of smoke
• Inflammation  mucosal edema  decreased mucosal function
• Edema  obstruction of airway
Pulmonary injury
• Inhalation of smoke and burn substance (CO, CO2, cyanide, ester,
ammoniac)  absorbed in airway mucosa  irritant, chemical burn
 inflammation, edema  alveoli injury
• Obstruction in lower respiratory tract  disruption of alveolar-
capillary membranes, formation of inflammation exudates, loss of
surfactant  atelectasis, interstitial edema, lung edema 
hypoxemia, decreased pulmonary compliance
• Risk of ARDS
Systemic intoxication
• Carbon monoxide (CO)
• High affinity to hemoglobin  formed carboxyhaemoglobin (COHb)
 decreasing oxygen delivery  hypoxia
• High affinity to cytochrome intracellular  cell function abnormality
• Clinical symptoms: cherry red skin, confusion, disorientation
• Diagnosis: blood gas analysis, co-oxymetry
Systemic intoxication
• Cyanide (HCN)
• Absorption in lung  affinity with cytochrome  decreased
cytochrome function  anaerobic metabolism
• Clinical symptoms: confusion, convulsion, neurotoxicity
Inhalation injury diagnosis
• Burns at face, mouth, nose,
pharyng
• Singed nasal hair
• Sooty sputum
• Anxiety, stupor
• Cough, dyspnea
• Stridor
• wheezing
• Indirect laryngoscopy 
supraglottic
• Bronchoscopy  subglottic
• Erythema
• Edema (blunting of carina)
• Mucosal blisters
• Erosions
• Hemorrhages
• Bronchial secretions
• Soot deposits
Burn Wound Healing
• Reepitelization
• Superficial thickness  epidermal reconstruction from skin adnexa
• Deep thickness  repigmentation
• Scar formation
• Fibrose formation  could develop into contracture, keloid, hypertrophic scar
• Contracture
• Wound contraction
• Especially at loose skin
Management
• Prehospital/ first aid
• Water irrigation
• Flowing water for 20 minutes
• Max 1-3 hours after burn
• Take clothes off + cover with clean covers
Primary Survey
• Use personal protective
equipments
• Airway + C-spine
• Breathing
• Circulation + hemorrhage
control
• Disability : AVPU + pupils
• Exposure + environmental
control
• Fluids  rescucitation
• Analgesics  morphines 0,05-
0,1 mg/kg IV
• Tests  blood test, blood gas
analysis, imaging
• Tubes  NGT
Inhalation injury management
• Keep airway patency
• Oxygen supplementation  high dose: 15 L/min with NRM
• Respiration observation
• C-spine protection
• Supraglottic  intubation
• Subglottic  intubation, high-dosed oxygenation, intermittent
positive pressure ventilation
• Systemic intoxication  high-dosed oxygenation, IPPV
Fluid rescucitation
• Intravenous access
• 2 peripheral IV lines (16G)
• Central line  larger burns, significant inhalation injury
• IV >15-20% burns
• Parkland formula : 3-4 cc x weight (kg) x %TBSA
• Children <15 kg  + maintenance with dextrose containing fluids
• ½ fluid in the first 8 h  ½ fluid in the rest 16 h
• Target: UO 0,5-1 cc/kg/hour (adult), >1 cc/kg/hour (children)
• IV fluid is titrated based on UO
Fluids
• Crystalloid
• Ringer Lactate is used  hypotonic, contains Na, K, C, Cl, lactate
• NS not used  risk of inducing hyperchloremic acidosis
• Colloid
• Increase intravascular oncotic pressure  minimize capillary leak and draw
fluid back intravascularly
• Not to be used in early burn  leakage into interstitial  aggravate tissue
edema
• Albumin is the most used
Escharotomy
• Eschar : protein coagulation from full thickness burn  constrict
extremity/ trunk  impair perfusion/ breathing
• Indicated: full thickness circumferential burns of extremity/ chest wall
• Compartment syndrome: 6P, USG Doppler
• Bedside/ OR
• Adequate release: eschar separates, popping sound  perfusion
improves
• Avoid major superficial nerves
Secondary Survey
• Full examination : head to toe
• History
• A – allergy
• M – medicine
• P – past illness
• L – last meal
• E – Event
• Mechanism of Injury
• Documentation
• Reevaluation of primary survey
Burn Wound Management
• Burn  disrupt skin functions
• Thermal regulation
• Sensation regulation
• Immune response
• Bacterial invasion protection
• Fluid regulation (evaporation)
• Metabolic function
• Psychology, esthetic function
• Principal of management:
• Stop burn process  stop, drop,
roll
• Decreasing the temperature 
water irrigation
• Clean the wound (soap + water)
• Debridement
• Topical burn wound treatment
• Silver sulfadiazine
Surgical management
• Early burn excision + skin grafting
• Decreasing infection rate
• Increasing survival
• Decreasing hospital stay
• Early staged excision begins on postburn day 3
• Technique:
• Tangential excision
• Fascial excision
• Control blood loss
Tangential excision
• Sequential removal of layers of
eschar and necrotic tissue 
reaching layer of viable,
bleeding tissue  support skin
graft
• Watson/ Goulian blades
Fascial excision
• Excision of burned tissue +
subcutaneous tissue until
muscle fascia
• Electrocauter
Skin grafting
• Survives on recipient bed through process of diffusion of nutrients
• Revascularization process begin 48 hours after graft replacement
• Neovascularization
• Inosculation  direct biologic anastomosis of cut ends of recipient vessels in
graft bed with graft
• Classification
• Split thickness skin graft
• Full thickness skin graft
• Fixation of graft
• Staples, suturing
• Dressing
Burn management
• Nutritional support
• Initiated soon  oral/ enteral
• Parenteral  for paralytic ileus, bowel
obstruction
• Stress ulcer prophylactic
• Antibiotics  based on culture
• Pain management
• Elevation of the wound
• Vaccination  tetanus vaccinated
• Rehabilitation, contracture prevention
Burn Center Referral Criteria (ABA)
• Partial thickness burns greater than 10% total body surface area (TBSA)
• Burns that involve the face, hands, feet, genitalia, perineum, or major joints
• Third degree burns in any age group
• Electrical burns, including lightning injury
• Chemical burns
• Inhalation injury
• Burn injury in patients with preexisting medical disorders that could complicate management,
prolong recovery, or affect mortality
• Any patient with burns and concomitant trauma (such as fractures) in which the burn injury poses
the greatest risk of morbidity or mortality
• Burned children in hospitals without qualified personnel or equipment for the care of children
• Burn injury in patients who will require special social, emotional, or rehabilitative intervention.
References
• Wardhana A. Panduan Praktis Manajemen Awal Luka Bakar. Jakarta:
Lingkar Studi Bedah Plastik Foundation. 2014.
• Emergency Management Of Severe Burns (EMSB). [North Sydney, N.S.W.]:
Australian and New Zealand Burn Association.
• Grabb, W., Smith, J. and Chung, K., 2020. Grabb And Smithʼs Plastic
Surgery. Philadelphia [etc.]: Wolter Kluwers.
• Roth JJ, Hughes WB. The Essential Burn Unit Handbook. USA: CRC Press.
2016.
• Foncerrada G, Culnan DM, Capek KD, Gonzalez-Trejo S, Cambiaso-Daniel J,
Woodson LC. Inhalation injury in the burned patient. Ann Plast Surg. 2018;
80: S98-S105.
• Hettiaratchy S, Dziewulski P. Pathophysiology and types of burns. BMJ.
2004; 328: 1427-1429.

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Burn Injury.pptx

  • 2. Etiology • Flame  common in adults • Scald  common in children • Contact • Chemical  alkaline > acid • Friction • Electrical • Frostbite
  • 3. Pathophysiology • Zone of coagulation • Cell necrosis • Zone of stasis • Cells are still alive • Microcirculation damage  vasoconstriction • Critical  can progress into coagulation • Zone of hyperemia • Vasodilation • Systemic  10% (children), 20% (adults)
  • 4. Systemic reaction • Happened in >20% TBSA burns • Fluid and electrolyte balance • Vasodilation + cytokines release  increased capillary permeability  increased molecules transport (diffusion, filtration, molecule transfer)  albumin transport to interstitial  edema • Transport of Na into the cell + K out of cell • Dissolve of intercell substances  increased osmotic pressure in interstitial • Fluid and protein leak into interstitial  hypovolemia • Hypermetabolic state  release of stress hormones  protein degradation, catabolism state
  • 5. • Nerve system • Anxiety  pain, shock, hypoxia • Cardiovascular • Tachycardia  catecholamin release (stress hormone), hypovolemic response • Respiratory • Inhalation trauma • Bronchoconstriction  hyperventilation • Inflammation on alveoli  disturb oxygen diffusion  ARDS
  • 6. • Urinary system • Decreased glomerulus function  decreased urine production  kidney failure • Gastrointestinal system • Decreased blood supply  paralytic ileus, decreased absorption • Impaired gastric mucosa function  mucosal erotion  Ulcer (Curling’s ulcer), GI bleeding, bacterial translocation • Immune system • Immune depression (decreased lymphocites activity, complement, neutrophyls)  risk of infection
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Burn Area Estimation • Only 2nd and 3rd burn degree • Methods: • Palmar surface method • Rules of Nine • Lund and Browder Chart • Palmar surface method • Use patient’s palm (including fingers) = 0,78% TBSA • For <15% or >85% burns
  • 13. Rules of Nine • Adult & children >10 years old • Children 1 year old • Increase in 1 year  extract 1% from head  divide 0,5% to each legs
  • 15.
  • 16. Burn Classifications (American Burn Association) • Major burn • 2nd – 3rd degree >20%  <10 or >50 yo • 2nd – 3rd degree >25%  10-50 yo • Burns at face, ears, hands, feet, perineum • Inhalation injury, high-voltage electrical burn • With other trauma • High risk patients • Moderate burn • 3rd degree <10% • 15-25% in adult • 10-20% in <10 or >40 yo • No face, hands, feet, perineum involvement • Minor burn • <15% burns in adult • <10% burns in children and geriatric • <2% burns in all ages, no face, hands, feet, perineum involvement
  • 17. Inhalation injury • Increasing burn mortality risk (30%) • Classification: • Obstruction  supraglottic • Pulmonary injury  subglottic • Cell hypoxia  systemic intoxication • Gold standard for diagnosis: bronchoscopy
  • 18. Obstruction • Inhalation of smoke • Inflammation  mucosal edema  decreased mucosal function • Edema  obstruction of airway
  • 19. Pulmonary injury • Inhalation of smoke and burn substance (CO, CO2, cyanide, ester, ammoniac)  absorbed in airway mucosa  irritant, chemical burn  inflammation, edema  alveoli injury • Obstruction in lower respiratory tract  disruption of alveolar- capillary membranes, formation of inflammation exudates, loss of surfactant  atelectasis, interstitial edema, lung edema  hypoxemia, decreased pulmonary compliance • Risk of ARDS
  • 20. Systemic intoxication • Carbon monoxide (CO) • High affinity to hemoglobin  formed carboxyhaemoglobin (COHb)  decreasing oxygen delivery  hypoxia • High affinity to cytochrome intracellular  cell function abnormality • Clinical symptoms: cherry red skin, confusion, disorientation • Diagnosis: blood gas analysis, co-oxymetry
  • 21. Systemic intoxication • Cyanide (HCN) • Absorption in lung  affinity with cytochrome  decreased cytochrome function  anaerobic metabolism • Clinical symptoms: confusion, convulsion, neurotoxicity
  • 22. Inhalation injury diagnosis • Burns at face, mouth, nose, pharyng • Singed nasal hair • Sooty sputum • Anxiety, stupor • Cough, dyspnea • Stridor • wheezing • Indirect laryngoscopy  supraglottic • Bronchoscopy  subglottic • Erythema • Edema (blunting of carina) • Mucosal blisters • Erosions • Hemorrhages • Bronchial secretions • Soot deposits
  • 23. Burn Wound Healing • Reepitelization • Superficial thickness  epidermal reconstruction from skin adnexa • Deep thickness  repigmentation • Scar formation • Fibrose formation  could develop into contracture, keloid, hypertrophic scar • Contracture • Wound contraction • Especially at loose skin
  • 24. Management • Prehospital/ first aid • Water irrigation • Flowing water for 20 minutes • Max 1-3 hours after burn • Take clothes off + cover with clean covers
  • 25. Primary Survey • Use personal protective equipments • Airway + C-spine • Breathing • Circulation + hemorrhage control • Disability : AVPU + pupils • Exposure + environmental control • Fluids  rescucitation • Analgesics  morphines 0,05- 0,1 mg/kg IV • Tests  blood test, blood gas analysis, imaging • Tubes  NGT
  • 26. Inhalation injury management • Keep airway patency • Oxygen supplementation  high dose: 15 L/min with NRM • Respiration observation • C-spine protection • Supraglottic  intubation • Subglottic  intubation, high-dosed oxygenation, intermittent positive pressure ventilation • Systemic intoxication  high-dosed oxygenation, IPPV
  • 27. Fluid rescucitation • Intravenous access • 2 peripheral IV lines (16G) • Central line  larger burns, significant inhalation injury • IV >15-20% burns • Parkland formula : 3-4 cc x weight (kg) x %TBSA • Children <15 kg  + maintenance with dextrose containing fluids • ½ fluid in the first 8 h  ½ fluid in the rest 16 h • Target: UO 0,5-1 cc/kg/hour (adult), >1 cc/kg/hour (children) • IV fluid is titrated based on UO
  • 28. Fluids • Crystalloid • Ringer Lactate is used  hypotonic, contains Na, K, C, Cl, lactate • NS not used  risk of inducing hyperchloremic acidosis • Colloid • Increase intravascular oncotic pressure  minimize capillary leak and draw fluid back intravascularly • Not to be used in early burn  leakage into interstitial  aggravate tissue edema • Albumin is the most used
  • 29. Escharotomy • Eschar : protein coagulation from full thickness burn  constrict extremity/ trunk  impair perfusion/ breathing • Indicated: full thickness circumferential burns of extremity/ chest wall • Compartment syndrome: 6P, USG Doppler • Bedside/ OR • Adequate release: eschar separates, popping sound  perfusion improves • Avoid major superficial nerves
  • 30.
  • 31. Secondary Survey • Full examination : head to toe • History • A – allergy • M – medicine • P – past illness • L – last meal • E – Event • Mechanism of Injury • Documentation • Reevaluation of primary survey
  • 32. Burn Wound Management • Burn  disrupt skin functions • Thermal regulation • Sensation regulation • Immune response • Bacterial invasion protection • Fluid regulation (evaporation) • Metabolic function • Psychology, esthetic function • Principal of management: • Stop burn process  stop, drop, roll • Decreasing the temperature  water irrigation • Clean the wound (soap + water) • Debridement • Topical burn wound treatment • Silver sulfadiazine
  • 33. Surgical management • Early burn excision + skin grafting • Decreasing infection rate • Increasing survival • Decreasing hospital stay • Early staged excision begins on postburn day 3 • Technique: • Tangential excision • Fascial excision • Control blood loss
  • 34. Tangential excision • Sequential removal of layers of eschar and necrotic tissue  reaching layer of viable, bleeding tissue  support skin graft • Watson/ Goulian blades Fascial excision • Excision of burned tissue + subcutaneous tissue until muscle fascia • Electrocauter
  • 35. Skin grafting • Survives on recipient bed through process of diffusion of nutrients • Revascularization process begin 48 hours after graft replacement • Neovascularization • Inosculation  direct biologic anastomosis of cut ends of recipient vessels in graft bed with graft • Classification • Split thickness skin graft • Full thickness skin graft • Fixation of graft • Staples, suturing • Dressing
  • 36. Burn management • Nutritional support • Initiated soon  oral/ enteral • Parenteral  for paralytic ileus, bowel obstruction • Stress ulcer prophylactic • Antibiotics  based on culture • Pain management • Elevation of the wound • Vaccination  tetanus vaccinated • Rehabilitation, contracture prevention
  • 37. Burn Center Referral Criteria (ABA) • Partial thickness burns greater than 10% total body surface area (TBSA) • Burns that involve the face, hands, feet, genitalia, perineum, or major joints • Third degree burns in any age group • Electrical burns, including lightning injury • Chemical burns • Inhalation injury • Burn injury in patients with preexisting medical disorders that could complicate management, prolong recovery, or affect mortality • Any patient with burns and concomitant trauma (such as fractures) in which the burn injury poses the greatest risk of morbidity or mortality • Burned children in hospitals without qualified personnel or equipment for the care of children • Burn injury in patients who will require special social, emotional, or rehabilitative intervention.
  • 38. References • Wardhana A. Panduan Praktis Manajemen Awal Luka Bakar. Jakarta: Lingkar Studi Bedah Plastik Foundation. 2014. • Emergency Management Of Severe Burns (EMSB). [North Sydney, N.S.W.]: Australian and New Zealand Burn Association. • Grabb, W., Smith, J. and Chung, K., 2020. Grabb And Smithʼs Plastic Surgery. Philadelphia [etc.]: Wolter Kluwers. • Roth JJ, Hughes WB. The Essential Burn Unit Handbook. USA: CRC Press. 2016. • Foncerrada G, Culnan DM, Capek KD, Gonzalez-Trejo S, Cambiaso-Daniel J, Woodson LC. Inhalation injury in the burned patient. Ann Plast Surg. 2018; 80: S98-S105. • Hettiaratchy S, Dziewulski P. Pathophysiology and types of burns. BMJ. 2004; 328: 1427-1429.