A new Swedish study finds that 10 pm on Christmas Eve is the peak time for the risk of having a heart attack, for the senior people and people with the existing issue in particular.
For the study, a team of researchers analyzed data from 283,014 cases of heart attack reported to Swedish hospitals between 1998 and 2013. They compared these data with the number of cases outside the holiday periods.
People older than 75 and those with existing conditions such as diabetes or heart disease belong to the category of the highest risk.
One of the researchers, David Erlinge from Lund University in Sweden, comments: “Interestingly, the pattern of increased risk in the morning which dominates the rest of the year was reversed at Christmas, with an increased risk in the evening, indicating that the stress and eating during the day triggered the heart attacks.”
Hypertension, or high blood pressure, kills quietly as there are not any obvious signs. It can be quite difficult to see outer signs of high pressure building up in a person’s blood vessels. And extra stress on arteries normally leads to a heart attack, a stroke, or heart failure.
A new study suggests that the certain blood types might be connected to increased or decreased risk of having heart attack in response to high levels of air pollution.
A team of researchers analyzed data from Intermountain Healthcare patients seen between 1993 and 2007 and concluded that a variant ABO gene, which can be found in blood types A, B, ad AB, has been associated with elevated risk of heart attack during periods of significant air pollution. People with blood type O demonstrated lower risk.
Clinical epidemiologist Benjamin Horne from the Intermountain Medical Center Heart Institute in Salt Lake City, US, explains: “In the information, we provide to our patients about pollution, we try to stress that they can do something about it to reduce their risks. Stay indoors out of pollution. Exercise indoors. And make sure they’re compliant with taking their heart medication to reduce their risk.”
The scientists believe that senior people with a higher chance of heart failure should avoid fog and low cloud in the winter months.
The team of researchers looked at 112,793 people, aged 65 years and above, with the diagnosis of heart failure in Quebec between 2001 and 2011.
Across an average of 635 days, the participants of the study were monitored, and readings for temperature, humidity, atmospheric pressure and air pollutants were also measured. Having analyzed the received data, the scientists revealed a higher risk of hospitalization or death in the winter (October to April) compared to the summer (May to September).
A new study from Karolinska Institutet in Stockholm suggests that high calcium levels in the bloodstream increase the risk of developing coronary artery disease (CAD) and heart attack.
For the study, the researchers analyzed publicly available data collected from 184,305 persons, 60,801 of whom had been diagnosed with CAD. Among these 60,801 individuals, 70% also experienced a heart attack. The scientists discovered that a higher risk of CAD and heart attack was linked to a genetic predisposition to a higher calcium concentration in blood.
Dr. Susanna C. Larsson, the author of the study, says: “Whether the risk of CAD associated with lifelong genetic exposure to increased serum calcium levels can be translated to a risk associated with short-term to medium-term calcium supplementation is unknown.”
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