1/

🧵

THREAD about why race is in the @NICEComms hypertension (blood pressure) guidelines and why it should go: https://www.nice.org.uk/guidance/ng136 

@MedCrisis and I read #AngelaSaini's book "Superior" and were horrified at the inclusion of race without clear scientific basis:

#FOAMed
2/

The @NICEComms specifically implies that Black people are inherently different (assumption: biological/genetic) compared to White people.

Why? @DoctorMayJay

Suggestions: Black people are inherent salt retainers due to salt deficiency, etc: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1694537/
3a/

This article from @American_Heart is a long reach arguing that there are inherent genetic differences between Black people and White people citing small genetic studies: https://www.ahajournals.org/doi/full/10.1161/HYPERTENSIONAHA.118.11064
3b/

Interestingly the American blood pressure guidance does not buy this hypothesis is any way: https://www.heart.org/en/health-topics/high-blood-pressure/high-blood-pressure-toolkit-resources
4/

But let's look at the evidence:

Meta-analysis comparing blood pressure response to ACE inhibitors for black and white people found a 4mmHg difference: https://ssom.luc.edu/media/stritchschoolofmedicine/publichealthsciences/documents/kc2010.pdf

If Black people were all poor responders, you would expect the difference to be far bigger.
5/

Conflicting data to show clear benefit/detriment in cardiovascular/cerebrovascular outcomes from ACE inhibitor use for Black people: https://journals.sagepub.com/doi/10.1177/1060028018779082

If they didn't work that well then perhaps there would show no change or clear detriment.
6a/

What do you do if you have 1 Black parent and 1 White parent or 1 Black grandparent? Which medication would now be suitable?

Should we use the "1 drop rule"?

Most people can only trace their heritage only a few generations back so can't rule out Black ancestry.
8a/

But we know that social factors affect a person's health greater than biological / genetic factors.

https://nyaspubs.onlinelibrary.wiley.com/doi/abs/10.1111/j.1749-6632.1999.tb08123.x
9/

@MedCrisis and I wrote about this in @JHHypertension here: https://rdcu.be/b61ev 

I will be discussing with colleagues and following up with @NICEComms directly.

I've heard @BSHeartFailure have similar concerns so will contact them too.

Opinion piece to follow this too.
10/

Perhaps ACE inhibitors should be offered to everyone first line considering age?

GPs and (hypertension) experts - thoughts?

@Azeem_Majeed
@BIHSoc_Events
@RichardJMcManus
@RichardLehman1
@mgtmccartney
@trishgreenhalgh
@DrSdeG
@drnealtucker

Thanks. 🙏🏽

<< ENDS >>
@threadreaderapp unroll please
You can follow @DipeshGopal.
Tip: mention @twtextapp on a Twitter thread with the keyword “unroll” to get a link to it.

Latest Threads Unrolled: