UMEM Educational Pearls - Pediatrics

Neonatal rashes are common and, usually, benign. There are some skin findings, however, that require early recognition and treatment for best outcomes. One of these concerning etiologies is omphalitis, infection of the umbilical stump and surrounding tissues.

Features of omphalitis may include erythema and induration around the umbilicus, purulent drainage, and potentially systemic illness.

Risk factors include poor cord hygiene, premature or prolonged rupture of membranes, maternal infection, low birth weight, umbilical catheterization, and home birth.

Evaluation includes surface cultures from the site of infection as well as age-appropriate fever workup if patient is febrile. Consider ultrasound to evaluate for urachal anomalies as these can co-exist.

Management is IV antibiotics to cover S. aureus and gram negatives with surgical consultation if there are signs of necrotizing fasciitis or abscess. Some newer literature suggests that patients with omphalitis seen and treated in high-income countries may not be as sick as previously thought (as most data has been obtained in lower income countries where incidence is higher) and there has been a suggestion that there may be a role for oral antibiotics in well appearing, lower risk infants. This deserves further exploration but cannot yet be considered standard of care.

Other umbilical cord findings to consider (when it isn’t omphalitis): patent urachus, granuloma, local irritation, or partial cord separation

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Bottom Line: IN dexmedetomidine may be a reasonable agent to utilize for anxiolysis in pediatric patients, especially those who have previously had paradoxical reactions or poor efficacy of benzodiazepines. It may be specifically useful when effects are desired for a slightly longer time and for non-painful/minimally painful interventions.  

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Otitis media is a common pediatric complaint seen in the primary care, urgent care, and ED settings. Recommendations for timing of treatment and deferral of treatment have emerged over the last several years, as have recommendations for regimens for recurrent infections in the age of resistant organisms.

When to consider observation over antibiotics:

• If symptoms <48 hours, no severe pain, and fever < 39C and child is 2 years or older (either unilateral or bilateral AOM) OR unilateral AOM with symptoms <48 hours, no severe pain, and fever < 39C and child is 6 months to 2 years
• If observing, consider either a prescription that parents can fill if symptoms persist or ensure prompt primary care follow up

Initial treatment

High dose amoxicillin (90 mg/kg/day divided BID)

• If true penicillin allergy, can use cefdinir or cefpodoxime if tolerated or trimethoprim-sulfamethoxazole or a macrolide (e.g. azithromycin) but rates of resistance are higher
• Cefdinir and azithromycin are the most commonly used  
• Levofloxacin is also an option for age >8 years

Recurrent Otitis Media

If less than 30 days from initial treatment, presumed to be persistent

• If previously on amoxicillin, start amoxicillin-clavulanate (extra strength suspension has highest amoxicillin to clavulanate ratio and should be used)
• If previously on amoxicillin-clavulanate, ceftriaxone either for 3 days or 2 doses 36 hours apart

If greater than 30 days from initial treatment can treat as new episode (so amoxicillin unless previous documented resistant infections)

Duration of Antibiotics

• Less than 2 years, 10 days
• 2 years and up, 5-7 days

Other Considerations

• Amoxicillin-clavulanate should be used as an initial agent if there is concurrent purulent conjunctivitis
• Children with tympanostomy tubes and purulent otorrhea may be treated with otic fluoroquinolones (with or without dexamethasone), as long as debris does not obstruct entry of antibiotic drops
• Remember that the otic canal and TM can become red with fever and non-purulent effusion is common with URI
• Remember to treat pain and fever!

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Should EMS place an advanced airway in out of hospital cardiac arrests?  Current studies suggest that advanced airway management is not superior to BVM in pediatric out of hospital cardiac arrest (OHCA).  

Pediatric OHCA carries a high mortality rate and those that do survive often have a poor neurologic outcome.  This study evaluated BVM vs supraglottic airway (SGA) placement vs endotracheal intubation (ETI) in relation to one month survival and favorable neurological outcomes.  SGA and ETI were also grouped together and categorized as advanced airway management (AAM).

This study was conducted using the Pan Asian Resuscitation Outcomes Study Clinical Research Network.  3131 pediatric patients were included.  85% received BVM, 11.8% SGA and 2.6 % ETI.  In a matched cohort, one month survival and survival with favorable neurological outcome was higher in the BVM group compared to the AAM group and in the BVM group compared to the SGA group.  There was no significant difference noted between the ETI group and BVM group.

Bottom line: In this study, AAM was associated with decreased one month survival and less favorable neurological status in pediatric OHCA.

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Childhood vaccination has significantly decreased the incidence of bacterial meningitis and bacteremia in infants and young children, specifically vaccines against H. influenzae and S. pneumoniae, shifting broad workups for these disease and empiric antibiosis to younger age groups as rates declined. In recent years the percentage of unvaccinated and under-vaccinated children has been rising due to multiple factors; now over 1% of children in the US under 2 years of age are unvaccinated. The question becomes, should these children be treated more similarly to young infants as they lack to immunity to these organisms?

Literature on this topic is sparse, although, Finkel, Ospina-Jimenez, et al. reviewed the literature available and proposed an algorithm for well appearing children 3-24 months of age without a clear source and a temperature of >39C (102.2F). Recommendations included UA (to determine possible source) in the following patients: fever > 2 days, prior UTI, female or uncircumcised male <12 months, or male <6 months. They also recommended evaluation with viral panel. If no source was determined, they then recommended CBC and procalcitonin with a CXR for WBC > 20,000/mm³. For WBC >15,000/mm³, ANC >10,000/mm³, absolute band count >1,500/mm³, or procalcitonin >0.5ng/mL they recommended blood culture, ceftriaxone 50 mg/kg, and follow up within 24 hours.

Bottom line: Literature is scarce and practice patterns are likely to evolve as ramifications of decrease in vaccination rates become clearer. The above algorithm is proposed, however covers limited situations and may not be practical in all settings. Clinical judgement should be used in the evaluation and management of these patients. A more conservative approach compared to vaccinated infants is reasonable at this time.

 

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Subcutaneous Fluid Administration for Rehydration

• An old school technique (described in the 1800’s) that fell out of favor but still has applicability - primarily in pediatrics although it has been explored for use in geriatrics and mass casualty events (due to ease and speed of use)
• Most appropriate for stable but mildly to moderately dehydrated patients who need rehydration, are not tolerating PO, and in whom an PIV is difficult to establish (this should not replace an IO in a critically ill child)
• Either a small gauge angiocath or butterfly can be used for access
• Most common area to access in younger children is between the shoulder blades, although the lateral abdomen, thighs, or outer upper arms can be used as well; the site must have adequate subcutaneous tissue (can test by pinching between the fingers)
• Subcutaneous catheter placement is generally quite easy, however care should be taken with securing the catheter as there will be expected swelling at the area which can cause dislodgement or discomfort
• Mild erythema may also occur at the site of administration
• Injection of hyaluronidase (150 U) at the site being used increases the volume that can be administered as well as speed of absorption (hospitals may carry this product for treatment of severe PIV infiltration events)
• It is not necessary to have hyaluronidase to utilize subcutaneous fluid administration, but improves efficiency and efficacy
• Fluids administered should be isotonic and can be administered at 20 mL/kg over an hour – this can be repeated as necessary

 

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Once the diagnosis of intussusception is made, there are often delays in 1) getting the patient to a center where reduction can be performed and 2) getting the staff available to perform an air enema, especially during evenings and nights. Previous studies have shown worse outcomes when there is longer than a 24 hour delay in reduction. This was a retrospective single center study looking at 175 cases of intussusception and evaluating the time between the radiology final read of intussusception and the timing of reduction and if enema based reduction was successful. In this group of patients, there was no statistically significant difference in reduction efficacy, requirement for surgical reduction or complication rate (bowel resection or perforation) in the patients studied which included delay intervals up to 8 hours. Successful first attempt reductions ranged from 72-81% in each study group (1hr, 1-3hr, 3-6hr and 6+ hr). The caveat to this study is that there were only 11 patients included in the 6-8 hour group. This study also did not take into account the timing from symptom onset to reduction time. Bottom line: More evidence is needed, but this small study provides evidence that up to 8 hours from radiology diagnosis of intussusception to the 1st reduction attempt was not less efficient compared to those with an attempt in under 1 hour.

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• Anomalous left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital defect in which there is an altered origin of the left coronary artery (also known as Bland-White-Garland syndrome)
• Generally asymptomatic at birth, but can present in late infancy, toddlerhood, or later with signs of congestive heart failure, a myocarditis picture, or sudden cardiac death
• Flow through the left coronary artery is normal at birth due to high pulmonary pressures, but as those pressures drop the blood flow drops as well and may become reversed due to the pressure gradient
• This can cause chronic myocardial ischemia, the severity of which, is dependent on collateral flow
• Most patients will also develop mitral regurgitation
• Cardiomegaly may be seen on CXR (and some patients will present with respiratory symptoms/wheezing)
• EKG findings include: findings consistent with ischemia (ST changes, q waves – specifically in the anterolateral leads), leftward axis (for age), abnormal R wave progression (loss of R wave amplitude in affected leads)
• Diagnosis can generally be made with echocardiogram (although not 100% sensitive) and the disease is generally treated with surgical repair

 

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This was a multistate, prospective, observational cohort of children and teachers attending in person schools in kindergarden through 12th grade where the school districs had the ability to perform contact tracing and determine primary vs secondary infections.  During the study period (6/21-12/21) 46 districts had universal masking policies and 6 districts had optional masking policies.  

Districts that optionally masked had 3.6x the rate of secondary transmission compared to universally masked school districts.  Optionally masked districts had 26.4 cases of secondary transmission per 100 community acquired cases compared to only 7.3 cases in universally masked districts.

Bottom line: Universial masking was associated with reduced secondary transmission of SARS-CoV2 compared with optional masking policies. 

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• TXA has been used for pediatric non-traumatic (surgical) bleeding with good evidence
• Currently used in around 1/3 of pediatric trauma centers based on survey data
• PED-TRAX (retrospective review of pediatric trauma admissions in a combat zone) showed an association between use of TXA and decreased mortality, with no increase in thromboembolic events
• Dosing strategies in the literature and in practice have been variable (bolus at variable dosing versus bolus + infusion)
• The TIC TOC trial was recently completed - a multicenter randomized pilot study looking at 2 dosing strategies of TXA versus placebo which demonstrated feasibility of a larger study and will hopefully serve as a model for further research to determine efficacy as well as ideal dosing

 

Bottom line: There is not clear evidence for efficacy, but trends are positive and the documented rates of adverse effects in this population are low. It is reasonable to give, especially in patients requiring massive transfusion or who are critically ill.

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• Use of FAST is less common in pediatric trauma than in adult trauma
• FAST in pediatric trauma has a lower negative predictive value than in adults
  • 1/3 of pediatric patients with hemoperitoneum on CT will have a negative FAST
  • Lowest sensitivity and specificity is in the under 2 years age group
• A 2017 randomized clinical trial of ~900 patients showed no difference in clinical care, use of resources, or length of stay in hemodynamically stable children who received FAST + standard trauma evaluation versus standard trauma evaluation alone
• There may be a role for FAST as a screening in patients with low suspicion for intraabdominal injury in conjunction with labs and physical exam, but this has not been fully explored

Bottom line: A positive FAST warrants further workup and may be helpful in the hemodynamically unstable pediatric trauma patient, but a negative FAST does not exclude intraabdominal injury and evidence for performing FAST in hemodynamically stable pediatric patients is limited.

 

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