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Blood conservation in minimal invasive aortic valve replacement
Umair Aslam, Joseph George, Jennifer Williams, Yasir Ahmed, Sobaran Sharma, Pankaj Kumar.
ABM NHS Trust, Swansea, United Kingdom.

OBJECTIVE: Minimal Invasive aortic valve replacement is becoming increasingly routine.
It helps in reducing the hospital stay, surgical wound infections and above all less blood and blood product transfusions.
We compare the blood transfusion between minimal invasive aortic valve replacement and full sternotomy aortic valve replacement.
METHODS: Patients details were taken from our national database, blood transfusions details were taken from our blood bank. All were first time isolated Aortic valve replacements.
Group - 1- minimal invasive AVR group by 1 surgeon
Group-2 - Full sternotomy AVR undertaken by 5
surgeons
retrospective analysis of two cohorts were taken.
Survival data was obtained from national patient detail registry
SPSS v 22 was used to undertake unpaired t-test with 95% confidence interval.
Logistic euroSCORE was used to do risk stratification.
Patients were matched to pre-operative haemoglobin, age, sex, creatinine values,
RESULTS: there were 202 patients in group 1 and 600 patients in group 2.
There was a significant reduction in blood transfusion requirement in group 1 which was 2.2 units as compared to group 2 which was 4.1 units p<0. ooo1
CONCLUSIONS: we demonstrate that blood transfusion is significantly lower in minimal invasive group which thus has an impact on the post op recovery and impact on financial implications


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