Cardiopulmonary resuscitation
Cardiopulmonary resuscitation has been studied in 17 papers since 2015: 14 observational studies in people, 2 in animals, 1 review; 1 in the past year. The newest paper, Feb 25, 2026: “Nationwide analysis of mortality predictors following in-hospital cardiac arrest in older Thai adults, 2016-2024”.
“Bystander CPR was associated with a 24% higher likelihood of surviving to hospital discharge (10.2% vs 5.5%; adjusted relative risk: 1.24 [95% CI: 1.19-1.29]; P < 0.001)”
1 of its findings points the other way.
- 3 independent labs in 3 countries
- 1 finding against
- Funder: National Heart, Lung, and Blood Institute
- Humans14
- Animals2
What did studies of Cardiopulmonary resuscitation find?
1Studies of Cardiopulmonary resuscitation measured 1 outcome; the most studied are survival to hospital discharge (1 study).
Survival to hospital discharge
upin humans1
1 study
Survival to hospital discharge
upin humans1
Cardiopulmonary resuscitation is linked with better survival to hospital discharge in humans (out-of-hospital cardiac arrest) (10.2% vs 5.5%, aRR 1.24 (95% CI 1.19-1.29)).
“Bystander CPR was associated with a 24% higher likelihood of surviving to hospital discharge (10.2% vs 5.5%; adjusted relative risk: 1.24 [95% CI: 1.19-1.29]; P < 0.001)”
Humansout-of-hospital cardiac arrest
Bystander CPR and Long-Term Survival in Older Adults With Out-of-Hospital Cardiac Arrest
JACC. Advances
What is Cardiopulmonary resuscitation linked with?
2Studies link Cardiopulmonary resuscitation with 2 measures, most often mortality (2 studies) and 1-month survival (1).
Mortality
downin humans1upin humans1
2 studies
Mortality
downin humans1upin humans1
Cardiopulmonary resuscitation is associated with mortality in humans (out-of-hospital cardiac arrest) (22 min vs 15 min, p = 0.008).
“The duration of CPR was 22 min (IQR:14-35) in patients with in-hospital mortality, and 15 min (IQR:13-25) in patients discharged from the hospital. In this comparison, the difference is statistically significant (p = 0.008).”
Humansout-of-hospital cardiac arrest
The aging male : the official journal of the International Society for the Study of the Aging Male
Cardiopulmonary resuscitation is linked with a lower risk of mortality in humans (surviving to hospital discharge after out-of-hospital cardiac arrest) (aHR 0.78 (95% CI 0.73-0.84)).
“bystander CPR was additionally associated with lower long-term mortality vs those without bystander CPR (adjusted hazard ratio: 0.78 [95% CI: 0.73-0.84]; P < 0.001)”
Humanssurviving to hospital discharge after out-of-hospital cardiac arrestmedian follow-up of 31 months
Bystander CPR and Long-Term Survival in Older Adults With Out-of-Hospital Cardiac Arrest
JACC. Advances
1-month survival
upin humans1
1 study
1-month survival
upin humans1
Cardiopulmonary resuscitation is associated with 1-month survival in humans (cardiac arrest in nursing home, daytime emergency call, witnessed arrest) (8.0% (95% CI 6.4-9.9%)).
“the 1-month survival rate after cardiac arrest in the nursing home group was 8.0% (95% confidence interval 6.4-9.9%)”
Humanscardiac arrest in nursing home, daytime emergency call, witnessed arrestn = 6,271
Journal of the American Medical Directors Association