Objectives: To characterize textural ultrasonographic biomarkers of the brachial biceps musculature, wrist flexors, quadriceps and anterior tibial muscle that allow the recognition of the muscular and functional status of patients undergoing programmed cardiovascular surgery and relate them to mortality, hospital stay and functionality results after the intervention. Design: A first phase of cross-sectional observational study and a second phase of longitudinal observational prospective study. Participants: Patients with programmed cardiovascular surgery to aortic valve replacement Outcomes: Sociodemographic and anthropometric variables, severity and clinical risk scales, disability, fragility and quality of life scales, nutritional status and textural muscular biomarkers with ultrasonography. Expected results: strong association between ultrasound muscle biomarkers and ICU and hospital stay, disability, fragility and quality of life after the surgery.
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Changes in muscle ultrasonography variation after surgery
Timeframe: 6 months
Changes in muscle echointensity after surgery
Timeframe: 6 months
Changes in muscle texture after surgery
Timeframe: 6 months