Patients with out-of-hospital cardiac arrest due to poisoning have higher chances of survival

Published On 2022-05-10 14:30 GMT   |   Update On 2022-05-10 14:30 GMT

Patients with out-of-hospital cardiac arrest due to poisoning have higher chances of survival, finds a new study.Therefore in all such patients of Poisoning attributed to out-of-hospital cardiac arrest (P-OHCA) resuscitation efforts should be extended.The  study has been published in the journal Resuscitation Description and comparison of cohort characteristics and outcome of...

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Patients with out-of-hospital cardiac arrest due to poisoning have higher chances of survival, finds a new study.Therefore in all such patients of Poisoning attributed to out-of-hospital cardiac arrest (P-OHCA) resuscitation efforts should be extended.

The  study has been published in the journal Resuscitation

Description and comparison of cohort characteristics and outcome of adult patients with out-of-hospital cardiac arrest (OHCA) attributed to poisoning (P-OHCA) versus patients with OHCA attributed to other medical causes (NP-OHCA).

They included all patients who received cardiopulmonary resuscitation after OHCA between January 2011 and December 2020 from German emergency medical services with good data quality in the German Resuscitation Registry. Exclusion criteria: patients < 18 years of age or OHCA attributed to trauma, drowning, intracranial bleeding or exsanguination.

Results:

Patients with P-OHCA (n = 574) were significantly younger compared to NP-OHCA (n = 40,146) (median age of 43 (35-54) years vs. 73 (62-82) years; p < 0.001). Cardiac arrest in P-OHCA patients was significantly less often witnessed by bystanders (41.8 % vs. 66.2 %, p < 0.001). Asystole was the predominant initial rhythm in P-OHCA patients (73.5% vs. 53.7%, p < 0.001) while ventricular fibrillation (VF) and pulseless electrical activity (PEA) were less common (9.2% vs. 25.1% and 16.2 % vs. 20.5%, p < 0.001). P-OHCA had a higher chance of survival with good neurological outcome at hospital discharge (15.2 vs. 8.8 % p < 0.001) and poisoning was an independent protective prognostic factor in multivariate analysis (OR 2.47, 95%-CI [1.71-3.57]). P-OHCA patients with initial PEA survival with good neurological outcome was comparable to initial VF (34.3 % vs. 37.7%).

Patients in the P-OHCA group had a significantly higher chance of survival with good neurological outcome and PEA as initial rhythm was as favourable as initial VF. Therefore, in P-OHCA patients resuscitation efforts should be extended.

Reference:

Higher chance of survival in patients with out-of-hospital cardiac arrest attributed to poisoning by Christoph Hüser et al. published in the Resuscitation.

https://pubmed.ncbi.nlm.nih.gov/35288163/



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