Link between high cholesterol and heart disease ‘inconsistent’, new study finds —


New analysis from RCSI College of Medication and Well being Sciences has revealed that the hyperlink between ‘unhealthy’ ldl cholesterol (LDL-C) and poor well being outcomes, akin to coronary heart assault and stroke, will not be as robust as beforehand thought.

Revealed in JAMA Inside Medication, the analysis questions the efficacy of statins when prescribed with the intention of reducing LDL-C and subsequently decreasing the danger of heart problems (CVD).

Earlier analysis has advised that utilizing statins to decrease LDL-C positively impacts well being outcomes, and that is mirrored within the numerous iterations of professional pointers for the prevention of CVD. Statins are actually generally prescribed by docs, with one third of Irish adults over the age of fifty taking statins, in accordance with earlier analysis.

The brand new findings contradict this principle, discovering that this relationship was not as robust as beforehand thought. As a substitute, the analysis demonstrates that reducing LDL-C utilizing statins had an inconsistent and inconclusive affect on CVD outcomes akin to myocardial infarction (MI), stoke, and all-cause mortality.

As well as, it signifies that the general advantage of taking statins could also be small and can fluctuate relying on a person’s private threat components.

The lead creator on the paper is Dr Paula Byrne from the HRB Centre for Major Care Analysis based mostly in RCSI’s Division of Basic Follow. Commenting on the findings, Dr Byrne mentioned: “The message has lengthy been that reducing your ldl cholesterol will scale back your threat of coronary heart illness, and that statins assist to attain this. Nonetheless, our analysis signifies that, in actuality, the advantages of taking statins are diversified and might be fairly modest.”

The researchers go on to counsel that this up to date info needs to be communicated to sufferers by knowledgeable medical decision-making and up to date medical pointers and coverage.

This vital discovery was a collaboration with Professor Susan M Smith, additionally of RCSI and with researchers from the College of New Mexico, USA, (Dr Robert DuBroff), the Institute for Scientific Freedom in Denmark (Dr Maryanne Demasi), Bond College in Australia (Dr Mark Jones) and unbiased researcher Dr Kirsty O’Brien.

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