Can extra nurse support boost recovery after heart bypass?

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 18 years or older who have undergone myocardial revascularization surgery, completed the immediate postoperative in-hospital period without major complications, and have been discharged for outpatient management according to institutional protocols * Patients who, at the time of discharge, do not require ventilatory support, invasive hemodynamic support, or continuous monitoring, and present documented clinical stability * Presence of an identified primary caregiver actively involved in the home care process during the outpatient postoperative period * Preserved cognitive capacity in both patient and caregiver, allowing understanding of instructions, participation in the intervention, and completion of assessment instruments * Written informed consent provided by both patient and caregiver Exclusion Criteria: * Patients presenting severe postoperative complications, such as deep surgical site infection, persistent hemodynamic instability, major neurological events, or readmission to the intensive care unit at the start of the intervention Patients with moderate to severe cognitive impairment, decompensated psychiatric disorders, or neurological conditions that limit understanding, communication, or active participation * Caregivers with physical, cognitive, or emotional limitations that compromise the effective performance of the caregiving role during the follow-up period * Patients without a clearly identified support network or without an available primary caregiver to participate in the study * Concurrent participation in other clinical, educational, or psychosocial intervention studies that may interfere with the proposed intervention * Language or cultural barriers that prevent understanding of the intervention content or interaction with the research team, without adequate mediation