Cutaneous Injuries in Child Abuse Lori D. Frasier MD Chief, Division of Child Abuse Pediatrics Penn...
Transcript of Cutaneous Injuries in Child Abuse Lori D. Frasier MD Chief, Division of Child Abuse Pediatrics Penn...
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Cutaneous Injuries in Child Abuse
Lori D. Frasier MDChief, Division of Child Abuse PediatricsPenn State Milton S. Hershey Children’s
Hospital
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The Skin:
The largest organ in the body The most visible organ that is injured
accidentally and through abuse Important for thermal regulation,
immune functions, maintenance of hydration, protection from the environment (sensory and environmental)
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Epidermis- compact firm outer layer; not easily damaged
Dermis- capillaries and fibrous tissue; resistant to damage
Subcutaneous tissue- rich in capillaries and fat, easily deformed; majority of hemorrhage occurs here
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Types of Injuries due to abuse
Bruises Burns Lacerations Incisions Abrasions Avulsions Strangulation (extremities) Complications of neglect
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Bruising is in 1st place
Earliest form of physical child abuse Most common form of physical child
abuse Most easily recognized sign of physical
abuse Most common direct sign of physical
abuse to be missed
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Why talk about bruising?
The failure to recognize bruising as a sign of physical child abuse is an error in medical, social, and legal decision making that contributes to poor outcomes for children.
Bruises are a high risk prognostic indictor for abuse
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Early Recognition is Prevention
75% of physical child abuse is missed initially
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The high cost of missed abuse and the risk of failure to diagnose or act
The risk of repeat injury: –80% prior injuries–45% prior “odd” bruises–33% prior brain injury
80% of victims of fatal abuse were known to a health care professional who did not act
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In an older childbruises are
• Common• Innocuous• Harmless• Meaningless
Why bruises are overlooked
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A bruise can take on a whole new meaning:
UncommonNocuousHarmfulOminous
Change 2 things:age of the child & body region bruised
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Five Rules of Bruises
Bruises are injuries
The age of the child matters
Patterns matter
Body region matters
Number of bruises matters
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Definitions A bruise or contusion: bleeding beneath the intact skin at the site of blunt
impact trauma
• Blunt impact occurred at the site of discoloration
Ecchymosis: blood that has dissected through tissue planes to become visible externally
• May be visible in an area never subjected to trauma
Hematoma: blood that has extravasated from the vascular system into the body
• Hematomas may develop in the presence of natural disease process in the absence of trauma
Petechia- small (1-2mm) red or purple spot caused by a minor hemorrhage of capillary blood vessels
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Rule Number 1Bruises are injuries
Blood vessel disruption from traumatic injuries
akavessel fracture
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Bruising reflects vessel damage
Bruising occurs when injury threshold of vessels are exceeded• Vessels are crushed and leak• Pressure exceeds the injury threshold and the
vessel leaks• Petechiae result from tiny vessels that are
damaged or leak due to pressure (dot <2mm hemorrhage)
• Bruising indicates vascular integrity has been compromised vascular damage, not skin damage
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Visibility of vessel damage
To bleed, you need vessels
To bleed, you need a blood pressure• The child in shock may have damaged vessels but no
pressure to result in “visible leaking”…aka a bruise
The depth and extent of bleeding, and tissue vascularity, plays a significant role as to when or even if the bruise will become visible on the surface
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Factors that influence the occurrence and appearance of a bruise
The body site of impact The object The amount of force behind the
impact The rate of force application
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Rule Number 2The age of the child matters
An infant with a bruise may be abused
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Bruising and age of the child
Myth: baby’s are delicate and bruise more easily• The greater the skin elasticity, the greater the capacity to
absorb injury forces and energy without actual damage• Injury threshold is thus less likely to be exceeded than in
older tissues
Myth: even a little bump will cause a bruise• Infants don’t move about enough or with enough force to
injure their deep subcutaneous tissues• If you don’t cruise, you don’t bruise
Truth: Unexplained bruising in the non-cruising infant predicts future injuries and some will be fatal
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Bruising and age of the child
Bruises in infants and toddlers: those who don’t cruise rarely bruise. Sugar, et al. Archives of Ped and Adolescent Medicine, 1999
Bruises in infants: those with a bruise may be abused. Pierce, et al. Pediatric Emergency Care. 2009
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Labbé J, Caouette G. Recent skin injuries in normal children. Pediatrics 2001 108:271 - 276
< 9 months old: 1.2% with bruises > 9 months old: 76.6% with skin
injuries < 1% 15 or more injuries all ages:
< 2% bruises to thorax & abdomen< 1% bruises to chin, ears, or neck
no difference between boys and girls
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Sentinel Injuries in Infants Evaluated for Physical Abuse. Sheets et al Pediatrics, April 2013
Case control, retrospective study of infants under one year evaluated for abuse
200 infants rated definite abuse: 27% had a previous sentinel injury
100 infants rated intermediate confern 8% had a sentinel injury
101 non abused infants-0%
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What is a sentinel injury? A relatively minor injury that preceeds serious physical abuse. Previous bruising-head, ear, trunk
extremity Minor abrasions Intraoral injury 30% of AHT infants had a sentinel
injury 25% of non AHT abused infants had
a sentinel injury
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Rule Number 3Body region matters
ACCIDENTAL INFLICTED
Shins Upper arms
Lower arms Anterior thigh
Under chin Trunk
Forehead Genitalia
Hips Buttocks
Elbows Face
Ankles Ears
Bony prominences Neck
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Dunstan FD et al.; 2002 - Bruising frequency
0
5
10
15
20
25
30
35
40
Left ear Left face Right face Other head &neck
Anterior chest& abdomen
Back Buttocks Left arm Right arm Left leg Right leg
body regions
% o
f p
atie
nts
Cases (abuse)
Controls (ambulatory outpatients)
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Body regions: T-E-N
Torso: a lot of cushion to absorb injury forces Seatbelt sign: marker of high risk for internal injury: why? Handlebar sign only present in 30% of injuries resulting in splenic,
pancreatic, or liver lacerations: why? Ears: difficult to bruise; not very vascular (minimal or no
subcutaneous tissue and floppy) Neck: protected and no superficial bony structure to provide
the crush required for vascular damage/leaking Usually neck bruising is in the form of petechiae. Check for tracheal
damage.
Pierce MC, Kaczor K, Aldridge S, O’Flynn J, Lorenz D. Bruising characteristics discriminate physical child abuse from accidental trauma in young children. Pediatrics January 2010
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Distinguishing physical assault from accidental injury:97% sensitive84% specific
A validation study in 2600 children that began in June of 2011
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TEN 4 Bruising Model Question 1: skin findings in children under 4 years of age
• Trunk/torso bruise• Ear bruise• Neck bruise
Question 2: is the child non-ambulatory• Any infant < 4 months of age: is there a bruise or skin
injury to any region/any where on the body
Question 3: confirmed accident in public setting?• Are bruises accounted for and consistent?
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Recommended action
Positive screen• Bruising in the non-cruising• Bruising in TEN locations in children under 4
years of age Diagnostic studies include evaluation for trauma and
for any other cause of the bruises Report to CPS if no bleeding issues are identified
that explain the bruising, even if other trauma screening tests are negative
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Thorax
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Ears
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Detailed anatomy of the ear
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Neck
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Bruising anywhere in an infant less than 4 months old
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Rule Number 4The number of bruises matters
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Body planes front and back - top and bottom
Regular life falls or accidents, even when significant, do not generate the required impacting forces to generate multiple bruises
Even falls from 20 feet rarely produce more than one bruise
Facial bruising in multiple planes doesn’t occur in household injury
Inflicted injury forces result in contact forces with the strike, and then with the landing impact- bruising may therefore occur in 2 planes or more, often opposing
Multiple inflicted strikes can result in multiple contusions
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Multiple simple impacts do not cause multiple bruises
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Bruises and stair falls n=29
0
5
10
15
20
0 bruises1 bruise
2 bruises3+bruises
0 bruises
1 bruise
2 bruises
3+bruises
Plausible Suspicious
MC Pierce, GE Bertocci, et al. Pediatrics, 2005
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Rule Number 5Patterns matter
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Factors that influence the occurrence and appearance of a bruise The body site of impact The object The amount of force behind the
impact The rate of force application
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Oral Injury
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Differential Diagnosis of Bruising
Accidental Inflicted Dermatologic Coagulation disorders Folk therapies Genetic/Metabolic Miscellaneous
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Coagulation Disorders Which May Mimic Abuse Idiopathic Thrombocytopenic Purpura
(ITP) von Willebrand’s Disease Hemophilia Ingested anticoagulants Leukemia Vitamin K deficiency HSP
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Dermal Melanosis(Mongolian Spots)
Black 90 - 95.5% Asian 81.0- >90% Latin-American 70.1% White 10% Rarely on face Disappear by age 4 - 5 in 95%
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Bruises take a minimum of 7 days to resolve: F
• Depth, degree of injury and damage to vessels, body region injured, and circulation all play a role in the rate of both appearance and disappearance of bruising
• Time for bruise resolution ranges from 12 hours to over 2 weeks
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The medical condition of the child (such as unconsciousness) will not affect the appearance of the bruise: F
A low or absent blood pressure can decrease the amount of leaking of blood and thus the amount of visible damage
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Bruises can be invisible to the naked eye: T
Certain blood proteins absorb wavelengths of light not visible to normal human vision. By supplying an alternative light source with ultraviolet and infrared wavelengths, these blood proteins become visible, making once “invisible bruising” possible to see.
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Take to Work Points The site of the bruise matters
• T-E-N regions for children under 4 yrs of age The age of the child matters
• A bruise anywhere on the body if the infant is non-ambulatory
The total number of bruises matters• More than 4 bruises in the very young child is
concerning Observation and evaluation coupled with action can
lead to prevention of child abuse
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Good general reference
Bruising and Physical Child Abuse. Kim Kaczor, MS, Mary Clyde Pierce, MD, Kathi Makoroff, MD, Tracey S. Corey, MD. Clinical Pediatric Emergency Medicine 7:153-160. 2006
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Child Abuse by Burning
Abusive burns typically occur in children younger than age 6 and have the greatest percentage of hospitalizations for treatment
Childhood abusive burn victims are more likely to have previous or concomitant signs of abuse/neglect and previous reports to child protective services
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Incidence and Prevalence
40,000 children <15 yrs. hospitalized yearly
>2000 children die yearly from burns Approximately 20% of burns are
inflicted Scald burns - 85% of all burns in
children Flame burns – 13% Electrical, chemical – 2%
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Findings Concerning for Abuse or Neglect
Infected burns Chronic burns Burns in various stages of healing Burn appearance is older than stated
history Concomitant cutaneous injuries
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Characteristics of Abusive Burn Perpetrators
Abusive pediatric burns occur more commonly in families with a single, young, socially isolated parent from a lower socioeconomic class
One study found that most parents of burn abused children were unemployed with incomes of less than $20,000 per year
The abusive burn perpetrator is most frequently the child’s parent or the mother’s boyfriend
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Necessary History
Date/time the burn injury reportedly occurred Location of the child at the time of the burn Presence or absence of clothing Presence or absence of witnesses to the burn Time from burn occurrence to presentation for
medical care Child and parent’s reaction to the burn Developmental level of the child Prior injury or accidents Family composition and home environment
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Classification of Burn Injuries
Superficial
Partial thickness
Full Thickness
Fourth Degree
Superficial layer of the epidermis Characterized by redness only
Extends into the dermis causing blistering and tissue loss
Entire dermis, appendages. nerves destroyed, no pain
Extends into the muscles, bones and joints
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Scald Burns
The majority of all scald burns are accidental and due to splash/spill injury by fluids other than tap water, such as soups, hot beverages and other cooking liquids and occur in the home environment
Having a child in the kitchen while cooking is one of the greatest risk factors for sustaining a burn injury
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Burn temperature
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Abusive Scald Burns
Scalding by immersion in hot tap water is most frequently reported for abusive burns
Up to 14% of all scald burns are secondary to abuse
For suspected immersion scald injury, the pattern of injury greatly assists the medical provider and investigators in analyzing the case for accidental versus inflicted mechanisms
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Immersion Scald Injury
Burn patterns demonstrating uniformityof burn depth suggest the child was restrained or not moving during the time of injury occurrence
Bilateral burn symmetry in the absence of splash marks suggests forced immersion
Bilateral, symmetric lower extremity burn distribution pattern occurs more frequently in abused children
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Immersion Scald Injury
Immersion burns typically present with patterned injury demonstrating:
Uniform burn depth Flexion sparing Linear/sharply defined contour between the
burned and unburned skin areas Absence of splash marks Can have skin sparing in areas where the skin
was in contact with cooler surfaces
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Child left in comfortable water. Parent returns to find hot running, child burned.
To add 3" (11 gal) @ 5.5 gal/min flow = 2 minutes
Burn Time @ 125o F= 2 minutes
Total Burn Time = 4 minutes
3" 150oF
Water
3" 101oF
Water
6" 125oF
Water
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Effective investigation of child abuse by burning requires a coordinated effort between the investigators and the medical professionals.
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Scene Investigation
All suspicious burns should be investigated by individuals experienced with scene assessment and evidence collection
In cases of hot water burn injury,a detailed scene investigation is necessary to assist with the critical analysis of the injury by a multidisciplinary team
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Knox B, Starling SP. Inflicted burns. In, Jenny C, ed. Medical Evidence In Child Maltreatment. Elsevier Press 2009.
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Hot Water Splash Burns
Splash burn injury requires a minimum temperature of 140 degrees F(60 º C) in order to produce tissue injury
Lower water temperatures will coolto a point where burns will not occur
Scald patterns due to splash or flowing liquid can be altered based on the presence/absence of clothing
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Scald Injuries Resulting from Liquids Other than Water Hot beverages, foods, grease, oils,
or wax can reach temperatures much greater than the boiling point of water (212 F)
Greater viscosity Result in deeper, more significant
burn due to higher heat source and prolonged contact with the skin
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Contact Burns
Result in thermal injury to the skin secondary to prolonged contact with the hot or smoldering source
Typically produce a injury characterized by Distinct margins Grouped burn lesions Clearly inscribed patterns Injuries on parts of the body normally covered
The pattern left on the skin can help in differentiating accidental from abusive injury mechanisms
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Other Types of Burns
Radiation burns – commonest is sunburn Chemical burns – acid, alkali, peppers,
garlic, household chemicals Electrical burns – combination of heat
and electrical forces Microwave burns
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Chemical Burns Chemical burns resulting from caustic
ingestions can be the result of neglectful child supervision as well as intentional acts
Can result in deep burns and the agent continues to damage tissue until properly removed from the skin
Alkali burns are associated with deeper penetration and more extensive burns than acids
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Chemical Burns
Adult drug use is a risk factor for pediatric chemical burns and caustic ingestions
Concentrated bleach does not immediately produce pain and therefore causes skin lesions that develop slowly and worsen with prolonged contact
Laxative-induced buttock dermatitis frequently is confused with abusive immersion burns of the buttocks
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2 yo presents with burn to buttocks. Mother says she ate a box of Ex-Lax and then went to bed in a diaper. She woke up soiled and was given a bath. After the bath she c/o pain and later in day blisters appeared.
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Flame Burns
Most often secondary to house fires in the pediatric population
Abusive flame burn injury secondary to holding a child’s skin in contact with flame or to ignition of clothing as a consequence of abuse or neglect also occurs
~10% of abusive pediatric burns were caused by fire or flames
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Electrical Burn Injury
Represents ~2-3% of all burns requiring treatment in the emergency department
Most occur in the home setting and involve children less than age 5
Most due to lack of supervision Low-voltage injuries are more common in
younger children while high-voltage injuries are seen more frequently in the older pediatric population
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Stun Guns
Electrical burns from stun guns have been reported as a pair of small (0.5 cm) superficial circular burns
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Microwave Oven Burns
Microwave radiation heats the living tissue Induces heat in tissues with higher water
content to a greater extent than other tissues and produces burns most severe on the skin followed by muscle
Results in asymmetric burns on biopsy
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Microwave Oven Burns Microwave ovens heat food and liquids
unevenly Reports of accidental partial and full-
thickness scald burns to the oropharynx and palate of infants drinking formula heated in a microwave
Accidental microwave related scald burns most commonly result from children pulling over-heated food/liquids onto themselves
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Outcomes
Children with abusive burns Require longer hospital admissions
than those with accidental burns Increased morbidity Consume more resources during
treatment and follow-up More likely to die from their injuries
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Differential Diagnosis of Burns
Accidental Inflicted Dermatologic conditions Chemical burns Folk therapies
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