Journal
RESUSCITATION PLUS
Volume 14, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.resplu.2023.100379
Keywords
Advanced Life Support; Basic Life Support; Cardiac Arrest; Calcium; Systematic Review; ILCOR
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This systematic review aimed to examine the use of calcium compared to no calcium during cardiac arrest. The review included 4 studies on adult out-of-hospital cardiac arrest patients, 8 observational studies on adult cardiac arrest patients, and 3 observational studies on pediatric in-hospital cardiac arrest patients. The findings suggest that routine calcium administration during cardiac arrest does not improve outcomes.
Aim: To perform a systematic review of administration of calcium compared to no calcium during cardiac arrest.Methods: The search included Medline (PubMed), Embase, Cochrane, Web of Science, and CINAHL Plus and was conducted on September 30, 2022. The population included adults and children in any setting with cardiac arrest. The outcomes included return of spontaneous circulation, sur-vival, survival with favourable neurologic outcome to hospital discharge and 30 days or longer, and quality of life outcome. Cochrane Risk of Bias 2 and ROBINS-I were performed to assess risk of bias for controlled and observational studies, respectively.Results: The systematic review identified 4 studies on 3 randomised controlled trials on 554 adult out-of-hospital cardiac arrest (OHCA) patients, 8 observational studies on 2,731 adult cardiac arrest patients, and 3 observational studies on 17,449 paediatric in-hospital cardiac arrest (IHCA) patients. The randomised controlled and observational studies showed that routine calcium administration during cardiac arrest did not improve the outcome of adult OHCA or IHCA or paediatric IHCA. The risk of bias for the adult trials was low for one recent trial and high for two earlier trials, with randomization as the primary source of bias. The risk of bias for the individual observational studies was assessed to be critical due to con-founding. The certainty of evidence was assessed to be moderate for adult OHCA and low for adult and paediatric IHCA. Heterogeneity across stud-ies precluded any meaningful meta-analyses. Conclusions: This systematic review found no evidence that routine calcium administration improves the outcomes of cardiac arrest in adults or children.
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