Length of Stay (LOS)
Transfusion rate by procedure type and blood product type Data is collected for each specific blood product – red blood cells (RBC), platelets, cryoprecipitate (cryo) and fresh frozen plasma (FFP). Table 6 shows the transfusion rate for each blood product by procedure type in 2021.
Procedure type
RBC n (%)
Platelets n (%)
Cryo n (%)
FFP n (%)
n
Isolated CABG
171
55 (32.2)
21 (12.3)
30 (17.5)
10 (5.8)
Isolated valve
57
23 (40.4)
10 (17.5)
12 (21.1)
7 (12.3)
The length of stay (LOS) for each case has been measured and reported using the following time frames.
Valve + CABG
28
15 (53.6)
6 (21.4)
9 (32.1)
2 (7.1)
• Total LOS = from hospital admission to hospital discharge • Pre-operative LOS = from hospital admission to date of operation. This includes only the time before surgery at RNSH, and does not include inpatient waiting time at outside hospitals • Post-operative ICU LOS = from date of operation to end ICU care • Post-operative LOS = from date of operation to discharge from ICU
Aortic (± CABG/valve)
45
31 (68.9)
26 (57.8)
32 (71.1)
18 (40.0)
Other (± CABG/valve)
51
16 (31.4)
14 (27.5)
11 (21.6)
7 (13.7)
The different components of length of stay are presented in Figure 8.
Table 6. Transfusion rate for each blood product by procedure type
Table 7 shows the median and inter-quartile ranges (IQR) of the amounts used for each blood product in 2021.
Procedure type
RBC median units (IQR)
Platelets median units (IQR)
Cryo median units (IQR)
FFP median units (IQR)
Isolated CABG
2 (1, 4)
1 (0, 5)
10 (9, 17)
0 (0, 1.5)
Isolated valve
4 (1.5, 4)
5 (1, 10)
10 (10, 10)
1 (0, 3)
Valve + CABG
4 (2, 5.5)
1.5 (0, 2.8)
10 (8.5, 13)
0 (0, 0)
Aortic (± CABG/valve)
4 (2, 6.5)
5 (1, 10)
20 (10, 30)
2 (0, 4)
Other (± CABG/valve)
3.5 (2, 9)
10 (5, 13.8)
10 (8.2, 17.5)
0.5 (0, 4)
Table 7. Blood product usage by procedure type
Figure 8. Length of stay diagram
18
19
Cardiac Surgery Annual Report 2021
Cardiac Surgery Annual Report 2021
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