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Paramedic research, 1 September 2026

7 new paramedic and prehospital papers from the 1 September 2026 scan.

• Safety warning: SPEAR chest decompression device

  Annals of Emergency Medicine · Guideline / statement · Context only

  Safety warning about potential risks with the SPEAR® device marketed for out-of-hospital needle decompression of the chest. Abstract not yet available (ahead-of-print).

• Paramedic elevation doesn't help CPR in obesity simulation

  Prehospital Emergency Care · Simulation · Context only

  Randomised crossover simulation trial testing whether 10cm elevation of paramedics improves chest compression quality in obese manikins — it didn't, obesity still impaired compression depth by ~18mm despite increased rescuer effort

• Prehospital blood for non-traumatic haemorrhage

  Prehospital Emergency Care · Case series · Hypothesis-generating

  Retrospective observational study of prehospital whole blood for non-traumatic haemorrhagic shock across two US systems — GI bleeding (49%) and unspecified shock (43%) were the main indications, vitals improved (HR 102→96, SBP 83→106)

• Junctional tourniquet harm after pelvic GSW

  Prehospital Emergency Care · Case series · Hypothesis-generating

  Case report of a patient with AAJT-S placed prehospital for pelvic gunshot wounds who suffered cardiac arrest upon device removal and developed metabolic acidosis, compartment syndrome, rhabdomyolysis, renal and liver infarcts, pulmonary emboli, and stroke

• Low HDFN risk after prehospital RhD-positive blood

  Prehospital Emergency Care · Modelling · Supports current practice

  In silico simulation modelling future haemolytic disease of the fetus and newborn risk in 957 US females of childbearing potential who received prehospital RhD-positive blood — annual HDFN risk ranged 0.214–0.294% across regions

• Japanese mobile EMS app rollout data

  Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine · Cross-sectional · Context only

  Population-based descriptive study of a Japanese mobile EMS app capturing 147,213 transport cases over 15 months — 90% were emergency transports, OCR used in 74% of cases, hospital acceptance on first request in 66% with median 5.2 min negotiation time

• Public accepts drone-delivered AEDs

  Prehospital Emergency Care · Cross-sectional · Context only

  Cross-sectional survey of 586 Louisiana adults on drone-assisted emergency response — high acceptance (mean 4.1/5), trust (3.8), and self-efficacy (4.0), with telecommunicator guidance significantly increasing self-efficacy for both family and stranger scenarios