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Lise Estcourt

Medical Director for Transfusion at NHS Blood and Transplant and Associate Professor of Haematology and Transfusion Medicine at the University of Oxford; Clinical Lead of the Systematic Review Initiative.

Sep 30, 2026

3:47
How different is it from the previous update? Has it improved?
3:55
No, despite eight years apart, it highlights the real paucity of evidence about how to use red cell transfusions effectively for people with sickle cell disease.
4:09
So what the original review and this overview show shows is that there's benefits of red cell transfusions for people to prevent stroke and prevent silent cerebral impacts.
4:27
But for any of the other complications, there's really limited evidence.
4:36
And so I think that's Well, a shock to me and I think to potentially others, but sickle cell disease is the most common genetic disorder in the UK now.
4:47
And we really don't have good evidence on how to manage sickle cell disease properly and use red cell transfusions effectively.
5:00
And I think that's really important because red cell transfusions, although they can be effective and beneficial for patients with sickle cell disease, they do have a lot of complications as well.
6:17
What do you think will be the impact of this review and what do you think will happen next?
1:43
So why do people do overviews?
1:46
So Cochrane overviews are typically conducted to answer questions related to the preventional treatment of various disorders, s- usually healthcare interventions.
1:57
And there are five main reasons why people do a Cochrane overview, and they can assess different aspects.
2:05
So, one is looking at different interventions for the same condition or population.
2:11
So, looking at pain management for women in labor is an example of a Cochrane overview.
2:18
Secondly, it could look at different approaches to applying the same intervention for the same condition or population.
2:26
So here, an example is assessing sumatriptan, uh, for acute migraine attacks in adults and looking at all the different routes of administration in different reviews.
4:00
[clears throat] What is the process for an overview?

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