Life and Whatnot

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I wanted to send a little post out for those that subscribe to the blog, but also for anyone that is following me on social media.  One of the core tenets of a successful online presence is consistency and predictability.  I have prided myself on producing content fairly regularly over the past year and I will continue to do this…….once I get this thing called life settled out.

 

As you all know, I started my new position as program director at the University of Tennessee Health Science Center PA Program in January and have been commuting home to Birmingham every weekend for the past 4 months.  I usually have some time worked into the weekends to schedule some of the content (Motivation Mondays, Wednesdays Ep-PAINE-nyms, Saturdays PAINE PANCE Pearls) in advance so it gets outs even if I get busy.

 

We finally closed on both our houses (Birmingham and Memphis) in the last 2 weeks and we are finally getting one step closer to be a one zip code family.  My amazing wife is still living in Birmingham for the next 2.5 weeks to get the kids finished in school Alabama, but this entails living in hotels or her mother’s house.  Every extra moment of time I have now is devoted to painting and assembling furniture in the new house so it is ready to go when the family arrives at the end of the May.

 

 

I will be back in full swing on June 1st.  Again….my apologies for the lack of content for the past few weeks, but we will be up and running again soon.

 

Ep-PAINE-nym

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Tetralogy of Fallot

 

Other Known Aliases – Fallot’s tetrad, Fallot’s syndrome, Steno-Fallot tetralogy

Definition – Congenital cyanotic heart disease due to ventriculo-septal defect, pulmonary stenosis, right ventricular hypertrophy, and overiding aorta.

Clinical Significance – This is one of the six congenital cyanotic heart defects and is also the most common.  Read/listen to an amazing review of “Congenital Cyanotic Heart Diseases” here.

History – The classic description of the tetrad was actually first described in 1672 by the Danish physician and anatomist, Neils Stenson (1638-1686).  The namesake of this condition is Etienne-Louis Arthur Fallot (1850-1911), who was a French physician.  He described the tetrad in 1888 using previous observations and building from the work of Stenson, but garned little contemporary appraise.  It wasn’t until 1931 when Fallot’s work was rekindled and translated by Dr. Paul Dudley White.

References

  1. Firkin BG and Whitwirth JA.  Dictionary of Medical Eponyms. 2nd ed.  New York, NY; Parthenon Publishing Group. 1996.
  2. Bartolucci S, Forbis P.  Stedman’s Medical Eponyms.  2nd ed.  Baltimore, MD; LWW.  2005.
  3. Yee AJ, Pfiffner P. (2012).  Medical Eponyms (Version 1.4.2) [Mobile Application Software].  Retrieved http://itunes.apple.com.
  4. Whonamedit – dictionary of medical eponyms. http://www.whonamedit.com/. Accessed March 7, 2017.
  5. E. L. A. Fallot. Contribution à l’anatomie pathologique de la maladie bleue (cyanose cardiaque). Marseille médical, 1888;25: 77-93.

PAINE #PANCE Pearl – Pediatric Edition

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Question

 

What are the six (6) classic infectious exanthems of childhood and what organism causes each?

 

Answer

 

The chart below lists the classic exanthems of childhood, the organism that causes, and the “number” disease that were given to them in 1905.

 

It should be noted that Duke’s Disease (fourth disease) is not widely accepted as a true infectious exathem.

References

  1. Bialecki C, Feder HM, Grant-Kels JM. The six classic childhood exanthems: a review and update.. Journal of the American Academy of Dermatology. 1989; 21(5 Pt 1):891-903. [pubmed]
  2. Drago F, Ciccarese G, Gasparini G. Contemporary infectious exanthems: an update.. Future Microbiology. 2017; 12:171-193. [pubmed]

Ep-PAINE-nym

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Reye’s Syndrome

 

Other Known Aliases – Reye’s sequence, Reye-Morgan-Baral syndrome, Reye-Johnson syndrome

Definition – Rare disease of acquired encephalopathy and fatty liver filtration in children under 15 years of age

Clinical Significance – Classically, this condition follows a viral upper respiratory illness (influenza B, varicella) in children who were given aspirin for fever therapy.  Symptoms include vomiting, confusion, AMS, seizures, and LOC. Children under 5 years of age frequently have hyperglycemia as well.  Mortality is as high as 40% and many that survive are left with significant brain damage.

History – First described in 1929 by Dr. W.R. Brain, D. Hunter, and H.M. Turnbull, but not established as clinical diagnosis until published in The Lancet in 1963 by Dr. Ralph Douglass K. Reye, Dr. Graeme Morgan, and Dr. James Baral,.  Later that same year (1963), an outbreak of this condition occurred in North Carolina and was published by Dr. George Johnson.

References

  1. Firkin BG and Whitwirth JA.  Dictionary of Medical Eponyms. 2nd ed.  New York, NY; Parthenon Publishing Group. 1996.
  2. Bartolucci S, Forbis P.  Stedman’s Medical Eponyms.  2nd ed.  Baltimore, MD; LWW.  2005.
  3. Yee AJ, Pfiffner P. (2012).  Medical Eponyms (Version 1.4.2) [Mobile Application Software].  Retrieved http://itunes.apple.com.
  4. Whonamedit – dictionary of medical eponyms. http://www.whonamedit.com/. Accessed March 7, 2017.
  5. Brain, WR, Hunter, D, Turnbull, HM. Acute meningoencephalomyelitis of childhood: report of six cases. Lancet. 1929;1:221–227 [article]
  6. Reye RDK, Morgan G, Baral J. Encephalopathy and fatty degeneration of the viscera: A disease entity of childhood. Lancet. 1963; 2(7311):749-52. [pubmed]
  7. Johnson GM, Scurletis TD, Carroll NB. A study of sixteen fatal cases of encephalitis-like disease in North Carolina children. North Carolina medical journal. 1963; 24:464-73. [pubmed]

#30 – Acute Otitis Media in Children

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***LISTEN TO THE PODCAST HERE***

 

Epidemiology

Acute otitis media (AOM) is the most frequent diagnosis in ill children and the most common reason for antibiotic prescriptions (which is debatable).  Children < 2 years-old are at the highest risk, with nearly 80% of children in the US having at least one documented episode of AOM annually.  Incidence has been declining in the US since 2009 with the widespread use of the 13-valent pneumococcal vaccine.

Risk Factors

  • Age
    • < 2yrs with peak range from 6-18 months
  • Family History
  • Day Care
  • Lack of Breastfeeding
  • Tobacco smoke
  • Pacifier use
  • Season

Pathogenesis

The development of AOM follows a predictable series of events:

  1. Antecedent event
    1. URI
  2. Inflammatory edema of mucous membranes of URT
    1. Obstructs the narrowest portion of the Eustachian tube (isthmus)
      1. Results in negative middle ear pressure
        1. Causes fluid accumulation and effusion
  3. Pathogens now have a medium to grow and cause suppuration and bulging of TM
  4. Effusion may persists for weeks to months after sterilization with antibiotics

Microbiology

  • Bacteria
    • 3 bugs account for most cases of bacterial AOM
      • pneumoniae – 50%
      • influenza
      • catarrhalis
    • Viruses
      • RSV
      • Human metapneumovirus
      • Influenza
  • It is worth noting that up to 2/3rd have combined bacterial and viral isolates

Signs and Symptoms

  • Otalgia (most common and best predictor)
  • Fever
  • Irritability
  • Poor feeding
  • Vomiting

Physical Exam

The diagnosis of AOM requires:

  • Any of the above signs or symptoms; and
  • Bulging of the TM, presence of middle ear effusion with inflammation, or TM hypomobility on pneumatic otoscopy

Acute Management

Analgesia

  • Systemic
    • Ibuprofen – 10mg/kg every 4-6hr (max 40mg/kg/day)
    • Acetaminophen – 10-15mg/kg every 4-6hr (max 75mg/kg/day)
  • Topical
    • Lidocaine

Antibiotics vs Observation

Antimicrobial Therapy

  • No recent beta-lactam use, no history of recurrent AOM, no concomitant conjunctivitis
    • Amoxicillin 90mg/kg/day divided into 2 doses/day x 5-7 days
  • Recent beta-lactam use, history of recurrent AOM, concomitant conjunctivitis
    • Amoxicillin-clavulanate 90mg/kg/day divided into 2 doses/day x 10 days
  • Pencillin allergy
    • Non-type I hypersensitivity reaction
      • Cefdinir 14mg/kg/day 1-2 doses/day x 10 days
      • Ceftriaxone 50mg/kg IM daily x 1-3 days
    • Type-1 hypersensitivity reaction
      • Azithromycin 10mg/kg on day 1 and 5mg/kg on days 2-5
      • Clarithromycin 15mg/kg divided into 2 days/day

 

Oral therapy is preferred if perforation is present.

 

If a child has acute onset of otorrhea with known tympanostomy tubes in place:

  • Uncomplicated
    • Ciprofloxacin-dexamethasone 4gtts twice daily x 7 days
    • Ofloxacin 5gtts twice daily x 10 days
  • Complicated or ill-appearing
    • Amoxicillin 90mg/kg/day divided into 2 doses x 10 days
    • Amoxicillin-clavulanate 90mg/kg/day divided into 2 doses x 10 days

Treatment Failure

This is defined as lack of improvement by 72 hours in patients treated with antibiotics.

  • If initial therapy was amoxicillin, then change to amoxicillin-clavulanate
  • If initial therapy was amoxicillin-clavulanate, then change to cephalosporin
  • If patient has type-1 hypersensitivity to PCN, then options include:
    • Tympanocentesis for culture and sensitivity and pain relief
    • Levofloxacin 10mg/kg every 12 hours (6m-5yr) or daily x 10 days (≥ 5yr)

Recurrent AOM

This defined as development of AOM after successful treatment and treatment depends on the timeframe:

  • ≤ 15 days
    • Ceftriaxone 50mg/kg daily for 3 days
    • Levofloxacin 10mg/kg every 12 hours (6m-5yr) or daily x 10 days (≥ 5yr)
  • > 15 days
    • Amoxicillin-clavulanate 90mg/kg/day divided into 2 doses/day x 10 days
  • Prophylaxis
    • Amoxicillin 40mg/kg/day during fall, winter, and early spring
    • No longer than 6 months

Tympanostomy Tube Placement Indications

  • ≥ 3 distinct and documented episodes within 6 months; or
  • ≥ 4 distinct and documented episodes within 12 months;
  • Other factors include:
    • Multiple drug allergies in recurrent AOM
    • Breakthrough episodes on prophylaxis therapy

References

  1. Lieberthal AS, Carroll AE, Chonmaitree T. The diagnosis and management of acute otitis media. Pediatrics. 2013; 131(3):e964-99. [pubmed]
  2. Todberg T, Koch A, Andersson M, Olsen SF, Lous J, Homøe P. Incidence of otitis media in a contemporary Danish National Birth Cohort. PloS one. 2014; 9(12):e111732. [pubmed]
  3. Marom T, Tan A, Wilkinson GS, Pierson KS, Freeman JL, Chonmaitree T. Trends in otitis media-related health care use in the United States, 2001-2011. JAMA pediatrics. 2014; 168(1):68-75. [pubmed]
  4. Uhari M, Mäntysaari K, Niemelä M. A meta-analytic review of the risk factors for acute otitis media. Clinical Infectious Diseases. 1996; 22(6):1079-83. [pubmed]
  5. Rovers MM, Schilder AG, Zielhuis GA, Rosenfeld RM. Otitis media. Lancet. 2004; 363(9407):465-73. [pubmed]
  6. Coker TR, Chan LS, Newberry SJ. Diagnosis, microbial epidemiology, and antibiotic treatment of acute otitis media in children: a systematic review. JAMA. 2010; 304(19):2161-9. [pubmed]
  7. Chonmaitree T. Acute otitis media is not a pure bacterial disease. Clinical infectious diseases. 2006; 43(11):1423-5. [pubmed]
  8. Casey JR, Adlowitz DG, Pichichero ME. New patterns in the otopathogens causing acute otitis media six to eight years after introduction of pneumococcal conjugate vaccine. The Pediatric Infectious Disease Journal. 2010; 29(4):304-9. [pubmed]
  9. Kontiokari T, Koivunen P, Niemelä M, Pokka T, Uhari M. Symptoms of acute otitis media.. The Pediatric infectious disease journal. 1998; 17(8):676-9. [pubmed]
  10. Niemela M, Uhari M, Jounio-Ervasti K, Luotonen J, Alho OP, Vierimaa E. Lack of specific symptomatology in children with acute otitis media.. The Pediatric infectious disease journal. 1994; 13(9):765-8. [pubmed]
  11. Rosa-Olivares J, Porro A, Rodriguez-Varela M, Riefkohl G, Niroomand-Rad I. Otitis Media: To Treat, To Refer, To Do Nothing: A Review for the Practitioner.. Pediatrics in review. 2015; 36(11):480-6; quiz 487-8. [pubmed]
  12. Lieberthal AS, Carroll AE, Chonmaitree T. The diagnosis and management of acute otitis media.. Pediatrics. 2013; 131(3):e964-99. [pubmed]
  13. Arguedas A, Dagan R, Pichichero M. An open-label, double tympanocentesis study of levofloxacin therapy in children with, or at high risk for, recurrent or persistent acute otitis media.. The Pediatric infectious disease journal. 2006; 25(12):1102-9. [pubmed]

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Hatchcock’s Sign

 

Definition – Upward pressure applied to the angle of mandible produces pain with parotitis, but not with adenitis

Clinical Significance – This particular sign could be positive before any significant parotid gland swelling occurred and would aid in the early detection and diagnosis of mumps. 

History – First described by a Lieutenant Hatchcock in 1918.  Honestly, I can’t find much on this Lieutenant Hatchcock……

References

  1. Firkin BG and Whitwirth JA.  Dictionary of Medical Eponyms. 2nd ed.  New York, NY; Parthenon Publishing Group. 1996.
  2. Bartolucci S, Forbis P.  Stedman’s Medical Eponyms.  2nd ed.  Baltimore, MD; LWW.  2005.
  3. Yee AJ, Pfiffner P. (2012).  Medical Eponyms (Version 1.4.2) [Mobile Application Software].  Retrieved http://itunes.apple.com.
  4. Lincoln Evening Journal.  Lincoln, NE. 1918. https://www.newspapers.com/newspage/40559204/
  5. Practical Medicine Series.  General Medicine. Volume I.  1919. http://tinyurl.com/n3c4yqa