Operative data Ischaemic time
Blood loss
Median blood loss within the first four hours post-operatively for all isolated valve cases was 190 mls (IQR: 115, 310 mls).
Ichaemic time variables
Median (IQR)
Ventilation
Cross clamp time (mins)
94 (64, 125)
Median ventilation within the first four hours post-operatively for all isolated valve cases was 11.7 hours (IQR: 6.1, 19.9 hours).
Perfusion time (mins)
128 (88, 192)
Post-op ICU LOS
Median post-operative LOS in ICU for all isolated valve cases was 3.2 days (IQR: 2.1, 5 days).
Table 28. Summary of ischaemic time variables. Values are expressed as medians and interquartile ranges (IQR).
Transfusion rate
Procedure type
Transfused
Transfusion rate (%)
n
Isolated valve
26
57
45.6
Table 29. Transfusion rate for the isolated valve procedure type. Transfusion rate is calculated by dividing the number of transfused cases by the number of cases in each procedure type.
Post-operative indicators
Post-operative variables
Median (IQR)
Post-op ICU LOS (days)
3.2 (2.1, 5)
Ventilation (hours)
11.7 (6.1, 19.9)
Blood loss (mls)
190 (115, 310)
Table 30. Post-operative indicators for isolated valve cases. Values are expressed as medians and interquartile ranges (IQR).
44
45
Cardiac Surgery Annual Report 2021
Cardiac Surgery Annual Report 2021
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