Pre-operative cardiac status
Risk factors Table 23 outlines the patient risk factors and pre-operative cardiac status for isolated valve surgery cases.
Pre-op cardiac status
% of isolated valve
n
The two highest contributing risk factors in this patient cohort are: • Hypertension (45.6%) • Hypercholesterolarmia (38.6%)
History of congestive heart failure
20
35.1
Congestive heart failure at admission
12
21.1
Risk factors
% of isolated valve
n
NYHA
I (no limitation of activity)
8
14.0
Hypertension
26
45.6
II (slight limitation of activity)
19
33.3
Hypercholesterolaemia
22
38.6
III (marked limitation of activity)
26
45.6
Obesity (BMI>30)
18
31.6
IV (inability to carry out any activity)
4
7.0
Diabetes
8
14.0
Arrhythmia
13
22.8
Smoking (history)
6
10.5
Atrial fibrillation or flutter
11
19.3
PVD
3
5.3
Atrial fibrillation type Paroxsysmal
Chronic renal failure
2
3.5
7
12.3
Permanent
3
5.26
Table 23. Risk factors for isolated valve patients
Unknown
1
1.75
Complete heart block
1
1.75
Table 24. Pre-operative cardiac status breakdown for isolated valve cases
38
39
Cardiac Surgery Annual Report 2021
Cardiac Surgery Annual Report 2021
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