『Episode 85: The Trouble With Boluses』のカバーアート

Episode 85: The Trouble With Boluses

Episode 85: The Trouble With Boluses

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2 PAEDS IN A POD Episode 85 | The Trouble With BolusesReleased: 07/06/2026 | Runtime: ~20 minutesEPISODE SUMMARYThis episode leads on fluid in childhood sepsis. A new multicentre cohort from Australia and New Zealand found that mortality rose with the volume of bolus fluid given in the first day, but not with the total volume of fluid — a finding set alongside the recently published PRoMPT BOLUS trial, which showed that balanced fluid and saline produce the same kidney outcomes. The second story returns to the febrile infant for a third time, with a meta-analysis quantifying the risk of serious bacterial infection in the well sixty-to-ninety-day-old. What's Caught My Eye covers the TWIST score and ultrasound for the acute scrotum, nirsevimab versus the maternal RSV vaccine head to head, and language barriers and safety in the paediatric emergency department.━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━MAIN STORY 1: How much fluid is too much in childhood sepsis? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━Fluid is the first thing we reach for in the septic child, and the volume question has never been fully settled. This cohort measured the fluid children actually received in the first twenty-four hours and asked how it related to outcome, arriving just as PRoMPT BOLUS reported on the separate question of which fluid to use.Key findings:5,352 children with suspected community-acquired sepsis across 11 emergency departments in Australia and New Zealand (2021–2023); median age 2.6 years.In-hospital mortality was low at 1.1%; around 5.5% met Phoenix sepsis criteria.Median total fluid in the first 24 hours was 40 mL/kg, of which the bolus component was 10 mL/kg.Mortality rose with increasing bolus volume but not with increasing total fluid; the unadjusted odds ratio for death with more than 55 mL/kg versus less than 15 mL/kg of bolus fluid was 20.5 (95% CI 8.0–52.5).For context, PRoMPT BOLUS (9,041 children, 47 departments, five countries) found no difference in major adverse kidney events between balanced fluid and 0.9% saline (3.4% vs 3.0%), with less hyperchloraemia in the balanced-fluid group.For practice, the converging message is that the fluid you choose matters less than hoped, while the volume you give may matter more than thought. This supports the titrated, reassess-after-each-bolus approach that NICE and APLS already ask for, rather than a fixed escalator.Important caveat: the bolus–mortality association is unadjusted and observational, and the sickest children in refractory shock receive the most bolus fluid, so this does not show that boluses cause harm and is not a reason to withhold fluid from a shocked child.Reference: Long E, Selman C, Borland ML, et al. Archives of Disease in Childhood. Published May 2026. DOI: https://doi.org/10.1136/archdischild-2025-330189━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━MAIN STORY 2: How risky is the febrile two-month-old? ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━The sixty-to-ninety-day-old is the febrile infant our guidelines treat least consistently — some pathways stop at sixty days, others lump the whole under-ninety group together. This meta-analysis supplies the missing denominator for that group, completing a run that has moved from risk stratification, through practice variation, to underlying prevalence.Key findings:59 studies, 20 distinct datasets, just under 34,835 well-appearing, previously healthy febrile infants aged 60–90 days.Pooled prevalence of invasive bacterial infection was 1.11% (95% CI 0.84–1.47), roughly 1 in 90.Almost all of that was bacteraemia at 1.01%; bacterial meningitis was rare at 0.11%, roughly 1 in 900.Estimates held across every sensitivity analysis, including removal of the single largest study.The clinical bottom line is a number to carry into both your own reasoning and the conversation with parents: in the well infant in this band, meningitis risk of around one in nine hundred is a reasonable thing to weigh when deciding whether this particular baby needs a lumbar puncture or a more measured pathway with good safety-netting.These are international data, so map the figures onto your local febrile infant pathway and the NICE traffic-light thresholds rather than applying them in isolation.Reference: Dionisopoulos Z, Sabhaney V, D'Arienzo D, et al. JAMA Pediatrics. Published May 2026. DOI: https://doi.org/10.1001/jamapediatrics.2026.1815━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━.WHAT'S CAUGHT MY EYE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━1. TWIST and ultrasound for the acute scrotumA retrospective study of just...
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