Malaria infection associated with increased risk of
heart failure: Study
Malaria infection is associated with a 30 per cent
higher risk of heart failure, revealed a recent study.
The study was presented today at ‘ESC Congress 2019.’
“We have seen an increase in the incidence of malaria
cases and what is intriguing is we have seen the same increase in
cardiovascular disease in the same regions,” said first author Dr Philip
Brainin, a postdoctoral research fellow at Herlev-Gentofte University Hospital,
Denmark.
“Even though we have taken preventive measures to
decrease the malaria numbers it remains a major burden,” said Dr Brainin. The
researchers used Danish nationwide registries to identify patients with a
history of malaria infection between January 1994 and January 2017. The mean
age of patients in the study was 34 years old and 58 per cent were male. A
total of 3,989 malaria cases were identified, with 40 per cent having
plasmodium falciparum, a parasite transmitted through mosquito bites that is
responsible for the majority of severe malaria cases in humans.
The 11-year follow-up of patients revealed 69 cases of
heart failure, which was very high as compared to the general population, and
68 cases of cardiovascular death, which was considered within a
normal range. “These patients had a 30 per cent increased likelihood of
developing heart failure over the follow-up time,” Dr Brainin said. “Thirty
percent is a high number, but you also have to understand that it is a
relatively small study, which is a limitation. As of right now the results of
this study are more hypothesis-generating for future studies.”
Dr Brainin noted that, while heart failure risk was
increased for patients in the study, there was not a link to heart attack or
cardiovascular death.
Because it is too early to convert the results into
clinical practice, Dr Brainin advised that physicians should continue to focus
on traditional and validated risk factors that may lead to heart failure.
03.09.2019
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