The hypothesis is that the preoperative Clinical Frailty Score (CFS) is a predictive factor for a loss in quality-adjusted life years (QALYs) one year after emergency cardiac surgery under cardiopulmonary bypass (CPB) in patients aged 75 years and older.
Immediate emergency surgery: intervention performed before the start of the next working day following the decision to operate,
Urgent (relative) emergency surgery: patients not admitted electively for surgery but requiring an intervention during the current hospital stay for medical reasons, and who cannot be discharged without undergoing a definitive procedure
Patients requiring preoperative cardiopulmonary resuscitation
Scheduled (elective) surgery
Lack of informed consent
Impaired consciousness at the time of inclusion (defined by a Glasgow Coma Scale score < 15)
Single group
Phone Calls
Other interventionPhone calls will be made at 3, 6, and 12 months to report quality of life scores (EuroQol EQ 5D-5L) and other postoperative data
Quality-Adjusted Life Years (QALYs) according to preoperative frailty status
QALYs over the 12-month follow-up will be estimated from EQ-5D-5L utility scores collected at baseline, Month 3, Month 6, and Month 12 together with survival data, and compared between participants with preoperative frailty (Clinical Frailty Scale ≥4) and those without frailty (Clinical Frailty Scale \<4), with adjustment for EuroSCORE II.
Postoperative complications
Incidence of postoperative cardiac, respiratory, renal, infectious, and neurological complications during the first 28 postoperative days.
All-cause mortality
All-cause mortality assessed during ICU stay, hospital stay, and at Month 3, Month 6, and Month 12.
EQ-5D-5L Utility Index
Health-related quality of life assessed using the EQ-5D-5L utility index derived from the French value set
Dialysis dependence
Dialysis dependence among participants not receiving chronic dialysis before surgery.
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