• Resuscitation · Oct 2019

    Association of diastolic blood pressure with survival during paediatric cardiopulmonary resuscitation.

    • Caitlin E O'Brien, Polan T Santos, Michael Reyes, Shawn Adams, C Danielle Hopkins, Ewa Kulikowicz, Jennifer L Hamrick, Justin T Hamrick, Jennifer K Lee, Sapna R Kudchadkar, Elizabeth A Hunt, Raymond C Koehler, and Donald H Shaffner.
    • Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University School of Medicine, 1800 Orleans Street, Bloomberg Children's Center Suite 6302, Baltimore, MD 21287 United States.
    • Resuscitation. 2019 Oct 1; 143: 50-56.

    AimTo examine the relationship between survival and diastolic blood pressure (DBP) throughout resuscitation from paediatric asphyxial cardiac arrest.MethodsRetrospective, secondary analysis of 200 swine resuscitations. Swine underwent asphyxial cardiac arrest and were resuscitated with predefined periods of basic and advanced life support (BLS and ALS, respectively). DBP was recorded every 30 s. Survival was defined as 20-min sustained return of spontaneous circulation (ROSC).ResultsDuring BLS, DBP peaked between 1-3 min and was greater in survivors (20.0 [11.3, 33.3] mmHg) than in non-survivors (5.0 [1.0, 10.0] mmHg; p < 0.001). After this transient increase, the DBP in survivors progressively decreased but remained greater than that of non-survivors after 10 min of resuscitation (9.0 [6.0, 13.8] versus 3.0 [1.0, 6.8] mmHg; p < 0.001). During ALS, the magnitude of DBP change after the first adrenaline (epinephrine) administration was greater in survivors (22.0 [16.5, 36.5] mmHg) than in non-survivors (6.0 [2.0, 11.0] mmHg; p < 0.001). Survival rate was greater when DBP improved by ≥26 mmHg after the first dose of adrenaline (20/21; 95%) than when DBP improved by ≤10 mmHg (1/99; 1%). The magnitude of DBP change after the first adrenaline administration correlated with the timetoROSC (r = -0.54; p < 0.001).ConclusionsSurvival after asphyxial cardiac arrest is associated with a higher DBP throughout resuscitation, but the difference between survivors and non-survivors was reduced after prolonged BLS. During ALS, response to adrenaline administration correlates with survival and time to ROSC. If confirmed clinically, these findings may be useful for titrating adrenaline during resuscitation and prognosticating likelihood of ROSC. Institutional Protocol Numbers: SW14M223 and SW17M101.Copyright © 2019 Elsevier B.V. All rights reserved.

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