Comparing and Correlating Outcomes between Open and Percutaneous Access in Endovascular Aneurysm Repair in Aortic Aneurysms Using a Retrospective Cohort Study Design
Table 1
Northside Hospital Study: retrospective EVAR vs. Open-Cutdown method and associated outcome.
Complication
Open Cutdown
Percutaneous
Pearson chi-squared ( value)
Fisher’s exact test ( value)
In-hospital mortality
3.1%
1.2%
0.486
0.484
30-day hospital mortality
0%
0%
Endograft leak
19.3%
34.6%
0.117
0.168
Stenosis graft
0%
2.5%
0.367
1.000
Ischemic bowel
3.1%
0%
0.110
0.283
Hematoma
15.6%
4.9%
0.059
0.071
Seroma
0%
1.2%
0.528
0.717
Graft infection
3.1%
0%
0.110
0.283
Gallbladder complication
3.1%
1.2%
0.492
0.488
AV injury
0%
1.2%
0.528
0.717
Distal embolization
3.1%
3.7%
0.881
0.682
Limb loss
0%
0%
Myocardial infarction
3.1%
9.8%
0.238
0.221
Renal dysfunction
12.5%
21.0%
0.296
0.222
Respiratory failure
15.6%
7.4%
0.184
0.164
Thrombocytopenia
21.9%
20.0%
0.917
1.000
Significant value indicated with value <0.05. No statistics computed because complication is a constant. Borderline significant with value very close to 0.05, denoting that Open-Cutdown procedure likely to observe hematoma when compared to Percutaneous procedure.
