From: Preoperative anemia and transfusion in cardiac surgery: a single-centre retrospective study
Parameters | Non-Anemic (N = 678) | Anemic (N = 119) | Total (N = 797) | P value* | Mild Anemic (N = 80) | Mod/Sev. Anemic (N = 39) | P value† |
---|---|---|---|---|---|---|---|
Demographics | |||||||
Age (yr) | 66 (56–73) | 69 (63–76) | 66 (56–73) | 0.003 | 70 (64–76) | 66 (57–73) | 0.068 |
Female | 206 (30) | 56 (47) | 262 (33) | 0.001 | 33 (41) | 23 (59) | 0.081 |
Weight | 85 (73–97) | 79 (68–90) | 83 (71–96) | 0.002 | 82 (72–93) | 73 (63–84) | 0.005 |
BMI (kg/m2) | 29 (25–33) | 29 (25–33) | 29 (25–33) | 0.340 | 29 (25–34) | 28 (23–31) | 0.031 |
BSA (m2) | 2.0 (1.8–2.2) | 1.9 (1.7–2.1) | 2.0 (1.8–2.1) | < 0.001 | 1.9 (1.8–2.1) | 1.8 (1.6–1.9) | 0.006 |
Surgical procedures | 0.175 | NA | |||||
Isolated CABG | 157 (23) | 34 (29) | 191 (24) | 24 (30) | 10 (26) | ||
Isolated valve | 290 (43) | 55 (46) | 345 (43) | 35 (44) | 20 (51) | ||
CABG & valve | 61 (9) | 13 (11) | 74 (9) | 7 (9) | 6 (15) | ||
Aortic surgery | 96 (14) | 11 (9) | 107 (13) | 9 (11) | 2 (5) | ||
Adult congenital | 48 (7) | 5 (4) | 53 (7) | 4 (5) | 1 (3) | ||
Others | 26 (4) | 1 (1) | 27 (3) | 1 (1) | 0 (0) | ||
Surgical parameters | |||||||
Repeat sternotomy | 74 (11) | 15 (13) | 89 (11) | 0.635 | 13 (16) | 2 (5) | 0.139 |
Cross-clamp time (min) | 84 (61–110) | 77 (59–103) | 83 (61–110) | 0.252 | 80 (58–106) | 76 (59–102) | 0.777 |
Total bypass time (min) | 106 (80–141) | 99 (81–136) | 104 (80–141) | 0.455 | 102 (80–144) | 95 (84–127) | 0.551 |
DHCA | 32 (5) | 6 (5) | 38 (5) | 0.817 | 6 (8) | 0 (0) | 0.176 |
Co-morbidities | |||||||
Diabetes | 161 (24) | 58 (49) | 219 (27) | < 0.0001 | 38 (48) | 20 (51) | 0.845 |
CVA | 41 (6) | 14 (12) | 55 (7) | 0.030 | 6 (8) | 8 (21) | 0.065 |
Lab and imaging parameters | |||||||
eGFR (ml/min/1.73 m2) | 80 (66–92) | 60 (41–85) | 78 (63–92) | < 0.0001 | 67 (45–85) | 56 (18–83) | 0.046 |
LVEF (%) | 0.029 | 0.004 | |||||
≥ 50 | 560 (83) | 92 (77) | 652 (82) | 66 (83) | 26 (67) | ||
< 50 | 95 (14) | 27 (23) | 122 (15) | 14 (18) | 13 (33) | ||
Preoperative intervention | |||||||
Referral to BCC | NA | 9 (8) | NA | NA | 5 (6) | 4 (10) | 0.473 |
Received treatment at BCC | NA | 3 (3) | NA | NA | 0 (0) | 3 (8) | 0.033 |
Days from PAC to surgery | 7 (2–15) | 7 (2–17) | 7 (2–15) | 0.990 | 7 (1–14) | 7 (2–18) | 0.537 |