Table 2 Surgical characteristics of lower extremity revascularization.
All | No MINS | MINS | p-value | |
|---|---|---|---|---|
(n = 226) | (n = 173) | (n = 53) | ||
Peripheral artery disease classification | 0.34 | |||
Stable peripheral artery disease | 36 (15.9%) | 30 (17.3%) | 6 (11.3%) | |
Critical limb ischemia | 187 (82.7%) | 140 (80.9%) | 47 (88.7%) | |
Femoral or popliteal aneurysm | 3 (1.3%) | 3 (1.7%) | 0 (0%) | |
Disease presentation | ||||
ABI < 0.60 | 121 (53.5%) | 94 (54.3%) | 27 (50.9%) | 0.78 |
Claudication | 94 (41.6%) | 81 (46.8%) | 13 (24.5%) | 0.006 |
Rest pain | 94 (41.6%) | 74 (42.8%) | 20 (37.7%) | 0.62 |
Ulceration | 98 (43.4%) | 68 (39.3%) | 30 (56.6%) | 0.039 |
Gangrene | 58 (25.7%) | 39 (22.5%) | 19 (35.8%) | 0.078 |
Approach | 0.32 | |||
Open | 114 (50.4%) | 87 (50.3%) | 27 (50.9%) | |
Endovascular (with Intervention) | 77 (34.1%) | 61 (35.3%) | 16 (30.2%) | |
Hybrid | 25 (11.1%) | 16 (9.2%) | 9 (17.0%) | |
Endovascular (no intervention) | 10 (4.4%) | 9 (5.2%) | 1 (1.9%) | |
Operation time (h), median [IQR] | 3.19 [2.17–4.72] | 3.00 [2.07–4.41] | 4.27 [2.52–5.42] | 0.009 |
Intraoperative hemodynamics, median [IQR]a | ||||
Highest intra-op SBP (mmHg) | 175 [152–199] | 174 [153–198] | 175 [149–200] | 0.99 |
Highest intra-op DBP (mmHg) | 81 [71–95] | 82 [72–98] | 79 [67–90] | 0.12 |
Nadir intra-op SBP (mmHg) | 90 [80–98] | 89 [80–98] | 90 [80–98] | 0.94 |
Nadir intra-op DBP (mmHg) | 40 [32–50] | 40 [33–50] | 39 [22–45] | 0.04 |
Blood loss and anemia, median [IQR]a | ||||
Estimated blood loss (ml) | 125 [50–300] | 100 [50–250] | 200 [75–500] | 0.03 |
Post-op nadir hemoglobin (mg/dL) | 8.9 [7.7–10.6] | 9.2 [8.0–10.9] | 7.9 [7.2–9.7] | < 0.001 |
Post-op creatinine (mg/dL) | 1.0 [0.8–1.5] | 1.0 [0.80–1.3] | 1.3 [0.80–2.3] | 0.006 |
