Table 1

Selected major studies of post-TAVR readmission

Study	Sample size	Follow-up duration	Readmission rate (%)	Specific readmission predictors identified
Khera et al 10	39 305	30 days	16.2	Anaemia. Acute kidney injury. Chronic kidney disease. Chronic lung disease. Chronic liver disease. Atrial fibrillation. Discharge disposition. Index admission ≥5 days.
Ando et al 43	46 794	30 days	14.5	n/a
Sanchez et al 20	10 345	30 days	9.2	Diabetes. Chronic kidney disease (Cr >1.6). Atrial fibrillation. Index admission ≥5 days. Vascular complication. Advanced heart failure. Home oxygen. Decreased 5 m gait speed. ≥Moderate aortic or mitral regurgitation.
Danielsen et al 12	Meta-analysis of 20 studies	30 days	16	Non-transfemoral TAVR. >1 admission in year pre-TAVR. Diabetes. Chronic kidney disease. Chronic lung disease. Atrial fibrillation. Major bleeding. Index admission >7 days.
Kolte et al 16	12 221	30 days	17.9 (61.8 non-cardiac)	Transapical TAVR. Acute kidney injury. Chronic kidney disease. Chronic lung disease. Elixhauser comorbidities. Discharge to nursing facility. Index admission >5 days.
Vejpongsa et al 15	4902	30 days	17.2 (65.2 non-cardiac)	Female sex. Transapical TAVR. Congestive heart failure. Chronic obstructive pulmonary disease. Non-teaching hospital.
Arai et al 4	1215	30 days	3.5	Acute kidney injury.
Arai et al 4	1215	1 year	18.4 (65.5 non-cardiac)	Anaemia. Hypoalbuminaemia. Atrial fibrillation. ≥Moderate aortic regurgitation.
Nombela-Franco et al 17	720	30 days	14.6	Anaemia. Low LVEF. Antiplatelet+anticoagulation therapy at discharge. Major bleeding.
Nombela-Franco et al 17	720	1 year	43.9 (59 non-cardiac)	Chronic kidney disease. Chronic obstructive pulmonary disease. Peripheral vascular disease. Atrial fibrillation.
Holmes et al 2	12 182	30 days	17.4	n/a
Holmes et al 2	12 182	1 year	53.2	Female sex. Non-transfemoral TAVR. Moderate or severe lung disease. Renal failure. Low LVEF. Increased STS PROM score.
Franzone et al 23	868	1 year	25.4 (53.9 non-cardiac)	Male sex. Chronic kidney disease. Previous myocardial infarction. Atrial fibrillation. Major bleeding.

Cr, creatinine (mg/dL); LVEF, left ventricular ejection fraction; STS PROM, Society of Thoracic Surgeons Predicted Risk of Mortality; TAVR, transcatheter aortic valve replacement.