Research on Optimal Diagnosis and Treatment of Cardiorenal Syndrome

Inclusion Criteria: Patients meet the diagnosis of various types of cardiorenal syndrome according to the classification standards of various types formulated by KDIGO and ADQI expert consensus. Different syndromes were identified and classified into five subtypes. Acute CRS (type 1): acute worsening of heart function (AHF-ACS) leading to kidney injury and/or dysfunction. Chronic cardio-renal syndrome (type 2): chronic abnormalities in heart function (CHF-CHD) leading to kidney injury and/or dysfunction. Acute reno-cardiac syndrome (type 3): acute worsening of kidney function (AKI) leading to heart injury and/or dysfunction. Chronic reno-cardiac syndrome (type 4): chronic kidney disease leading to heart injury, disease, and/or dysfunction. Secondary CRS (type 5): systemic conditions leading to simultaneous injury and/or dysfunction of heart and kidney. Exclusion Criteria: Pregnant or breastfeeding women; Female patients with recent birth plans; Patients who cannot follow up on medications.