Sunday, August 23, 2009

2009 North Carolina Pediatric Society Annual Meeting Day #3

Good morning! Some advice: if you're planning on going for a run near the Grove Park Inn bring a map or a GPS or something. PS: people working in their yards around the Grove Park Inn are happy to give you directions. Also the Mountain Rescue Team could not be more polite.

Onward to Day #3!

Adrian Sandler, MD Autism Spectrum Disorders

  • Prevalence of ASD 6/1000
  • Review of Hans Asperger and Leo Kanner’s early descriptions of autistic behaviors
  • Triad: qualitative impairment in reciprocal social interaction; qualitative communication impairment; narrow, restricted range of interest, insistence on sameness, repetitive behaviors
  • Of the three, impaired social relatedness is really the core of the diagnosis (theory of mind development abnormal)
  • Language: form of language dissociated from function of language
  • Repetitive behaviors - very insistent on routines, special interests, pre-occupation with parts of things, stereotypic movements
  • Myths: child is not affectionate, does not form attachments, never makes eye contact, does not communicate, engages in serf-stimulatory behaviors or repetitive behaviors all the time.
  • Not all children with poor social skills have Asperger’s syndrome.
  • The autism epidemic: dramatic increase in awareness, recognition of broad spectrum, earlier diagnosis, epidemic of over-diagnosis of Asperger syndrome and high-functioning autism.
  • Brain abnormalities: macrocephaly in early childhood (30%). Brainstem abnormalities suggest onset in 1st trimester. MRI is not diagnostic, not a routine part of the evaluation.
  • Sibling concordance is 7%, older parental age is a risk factor
  • Chromosomal abnormalities: 22q deletion, 15q11-q13 inverted duplications, many other genes implicated
  • Syndomes: Fragile X, Rett, Tuberous sclerosis, Down’s
  • Whole genome arrays are turning up new syndromes like 16p11.2, PTEN.
  • Genetic syndromes now identifiable in 15 to 20% of all patients with ASD’s
  • Earliest signs: joint attention, social interaction, play behavior all delayed/impaired
  • Watch for following a point by 10 months, pointing to an object by 12 months, pointing to indicate interest by 15 months.
  • In the second year look for child to manipulate parents’ hands as though they are tools in the child’s control.
  • Ask open-ended questions: “How does he usually communicate to you? What are his favorite things to do?”
  • Home movies research demonstrates even experts cannot identify autism earlier than 12 months of age.
  • Home movies confirm that regression does occur in about 1/3 of children with ASD, usually between ages 12 and 24 months.
  • Research on siblings also shows a threshold of around 12 months to identify children with ASD
  • For children ages 4 to 6 the Social Communication Questionnaire is helpful.
  • In Asheville the MCHAT has not led to a large increase in the number of patients referred to the CDSA. of 63 referrals only 20 came in, only 5 had ASD (6 had developmental language disorder)
  • Improved functional behavioral assessment could reduce over-prescription.
  • Easy to prescribe for each symptom (sleep, agitation, constipation) leading to polypharmacy
  • Medical home can help avoid over-prescribing for ASD symptoms

Sara Sinal, MD Recognition of Child Abuse

  • Law requires you to inform law enforcement and DSS of serious physical abuse
  • Must report suspected abuse to DSS but not to law enforcement.
  • Skin injury (excluding burns) is the most common presenting sign
  • Head injuries are most common cause of death from child abuse, but abdominal injury has the highest percentage of deaths per injury
  • Risks: poverty, unmarried mom, living with unrelated adult, child with disability/prematurity/multiple birth, substance abuse in family
  • Document extensively in the chart, include photographs when possible
  • Be sure to note who witnessed the event, what happened after the event, and what the mechanism of injury was
  • Does the story change over time, was the injury blamed on a younger sibling?
  • Document past medical history, especially failure to thrive in infancy, fracture under one year of age, deaths or serious injuries in siblings
  • Examine skin in mouth, genitals very carefully, also look carefully at TM’s, extremities
  • For bruising get basic coagulation evaluation, consider hematology consult.
  • Amylase, lipase, and LFT’s screen for abdominal injury (SGOT > 80 suggests abdominal CT)
  • Check calcium, phosphorous, Alk phos, 25-OH vitamin D with fractures.
  • Osseous survey under age 2, not over age 5, depending on suspicion between ages 2 and 5
  • MRI or CT if bruising to face or head.
  • Abdominal CT if bruising to abdomen
  • Can’t really age bruises by color, no matter what they say on CSI!
  • Look for pattern injuries such as looped cord, tennis shoe prints, coat hanger, etc.
  • Remember mongolian spots, phytophotodermatitis, vasculitis, cupping/coining, pot-mortem insect bites.
  • Burn patterns: dipping, hot liquid thrown at child, contact with flame.
  • Less common burns: chemical, frostbite, microwave/oven burns
  • 39% of burns requiring hospitalization result from abuse/neglect.
  • Scene investigation is critical
  • Mimics of burns: severe diaper rash, bullous impetigo, epidermolysis bullosa
  • Fractures in 11% to 55% of abused children, 50% will have multiple fractures
  • The younger the child the more likely a fracture is from abuse
  • Spiral femur fractures are not unusual in children who are mobile, but under 1 year of age remain a red flag for abuse.
  • Paul Kleinman, MD has published tables of fracture types versus likelihood of abuse
  • Differential diagnosis: Osteogenesis imperfecta, Rickets, Menkes syndrome, bizarre diets causing copper deficiency, non-weight-bearing children with osteopenia, premature birth with history of parenteral nutrition, Lasix, Leukemia, osteomyelitis, Vitamin A toxicity
  • http://www.niams.nih.gov/Health_Info/bone/osteogenesis_Imperfecta/default.asp to learn all about osteogenesis imperfecta
  • Risks for abusive head trauma: mom <21>
  • 64% of parents gave no explanation in the face of seriously ill child
  • Retinal hemorrhage present in 76%
  • Permanent injury rate 50%, death 22.5%
  • Trigger: crying in young infants
  • Abdominal trauma has a 45% to 50% fatality rate
  • Victims often young, preverbal. Hard to see signs of injury, no easy studies (CT abdomen)
  • Hollow viscus injury suggests abuse

Jane Bellet, MD Practical Approaches to Common Skin Disorders

  • Describe lesions well when communicating with dermatologists
  • Atopic dermatitis is exemplified by pruritis. These kids scratch!
  • Both frequency and severity of atopic dermatitis has been on the increase
  • Eyelid involvement is a hallmark of eczema
  • Look for early age of onset, atopy, xerosis.
  • Must rule out scabies, contact dermatitis, seborrheic dermatitis, psoriasis, ichthyoses
  • For eczema look for lymphadenopathy, hypo- or hyperpigmentation (don’t put steroids on those spots if inflammation is gone), pityriasis alba, lichenification, superinfection, papular variants in African American children.
  • Bathe at least once a day, short (5 to 15 minutes maximum).
  • MOISTURIZE!
  • Topical steroids
  • Itch control: use antihistamines!
  • Treat superinfection!
  • Try wet wraps, wet pajamas, gloves/socks over medications (don’t wash for 10 to 14 days)
  • Look for Tubifast Garments, may be covered by insurance http://www.skincareworld.co.uk/pharmacy/our_products/tubifast/garments.htm
  • Medicate with strong enough medications, enough quantity
  • OINTMENTS better than creams. Oils good for the scalp
  • Good meds: hydrocortisone 2.5% ointment, Triamcinolone 0.1%, Mometasone 0.1%
  • If you’re looking at Fluocinolide 0.05%, Clobetasol 0.05% think dermatology referral
  • Protopic 0.1% is preferable to Elidel. Best preserved for use around the eyes.
  • Remember Protopic will burn if areas of open skin are present
  • Hydroxyzine is best for itch control, 0.5 mg/kg in daytime, 1 mg/kg at night.
  • Doxepin useful in severe cases
  • ZYRTEC is a LOUSY medicine for itch control in atopic dermatitis.
  • Treat superinfection with oral antibiotics.
  • Get a bacterial culture in superinfection!
  • Mupirocin for all open areas, can mix with topical steroids
  • Cephalexin, Clindamycin, Trimethoprim/sulfa best agents
  • Seal in steroids with moisturizer
  • Oral steroids are NOT indicated for atopic dermatitis
  • TINEA CAPITIS. Consider fungal culture if picture is not clear.
  • Still treat with griseofulvin, 20 mg/kg/day (microsize), 10-15 mg/kg/day (ultramicrosize). Give with fatty foods! Treat 6 weeks.
  • Now terbinafine granules are available, 2-4 week course. Consider LFT’s. Save this for griseofulvin failures.
  • Oral fluconazole, itraconazole, ketoconazole are alternative back up meds
  • Id reaction: usually starts after onset of therapy, must treat through it.
  • Kerion: treat fungal infection, but also consider oral antibiotics for bacterial superinfection. Some people try oral corticosteroids x 2 to 4 weeks.
  • Try two courses of therapy, then refer to dermatology
  • Vitiligo: white hairs are a clue if any question about diagnosis (poliosis).
  • Vitiligo over joints is especially difficult to treat
  • Wood’s lamp can help with diagnosis. Presence of rash in that spot in the past suggests post-inflammatory hypopigmentation
  • Vitiligo is characterized by DEpigmentation, not HYPOpigmentation
  • Treatment starts with potent topical steroid BID. Can consider Protopic, especially on face. Phototherapy is helpful. Can use 308 nm excimer laser
  • Coverups: Dermablend, Covermark
  • Consider checking thyroid antibodies in non-segmental vitiligo (very rare to have a thyroid condition with vitiligo)
  • Reassure parents most people won’t turn completely white.
  • ALOPECIA AREATA
  • Usually sudden loss of hair, sharply demarcated, smooth without any hair at all, may have pitting of nails (Scotch plaid pitting)
  • Consider trichotillomania, tinea capitis.
  • If there are just a few patches prognosis is good.
  • The younger the child the worse the prognosis
  • Treat x 3 to 6 months to see if something is going to work.
  • Use class II or I topical steroids
  • Dermatologist may use intralesional corticosteroids
  • Also anthralin, minoxidil, squaric acid, dphenylcyclopropenone
  • Pediatrician can start topical steroid while waiting for referral, but most parents will want a referral.
  • www.naaf.org

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