Long-term outcomes of conservative treatment and endovascular treatment in patients with symptomatic spontaneous isolated superior mesenteric artery dissection: a single-center experience

Table 3 Summary of the four patients who had a failed endovascular intervention

No.	Age-ranges	Sex	Comorbidity	Indication	Yun’s classification	Reason for failure	Treatment	Follow-up
No.	Age-ranges	Sex	Comorbidity	Indication	Yun’s classification	Reason for failure	Treatment	Duration, months	Symptoms	Radiography
1	60–64	Male	Hypertension	Symptom recurrence after conservative treatment	IIb	Failure in true lumen cannulation	Endovascular→Conservative	12	None	Absent
2	60–64	Male	Diabetes mellitus	Persistent pain after conservative treatment	III	Failure in true lumen cannulation	Endovascular→Conservative	16	Intermittent abdominal pain	Newly appeared aneurysm
3	45–49	Male	None	Persistent pain after conservative treatment	III	Failure in true lumen cannulation	Endovascular→Conservative	16	Intermittent abdominal pain	Enriched collateral branches
4	45–49	Male	Hypertension	Persistent pain after conservative treatment	III	Failure in true lumen cannulation	Endovascular→Conservative	37	None	Increasing diameter in SMA

ISSN: 1471-2261