Recommendations for Approach to the Initial Management of BTTAI

COR	LOE	Recommendations
1	C-LD	1. In patients with grade 1 BTTAI (Figure 23), nonoperative management and follow-up imaging are recommended.1,2
1	C-LD	2. In patients with grade 3 to 4 BTTAI (Figure 23) and nonprohibitive comorbidities or injuries, aortic intervention is recommended.1,3
2a	C-LD	3. In patients with grade 2 BTTAI (Figure 23) and with high-risk imaging features (Table 32), aortic intervention is reasonable.3,4
2b	C-LD	4. In patients with grade 2 BTTAI (Figure 23) and without high-risk imaging features (Table 32), nonoperative management and follow-up surveillance imaging may be reasonable.3,4