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What is considered the optimal form for people about to undergo heart surgery?
According to a new study conducted by Dr. Xavier Leroy of the Department of Anesthesia and Resuscitation of the University Hospital of Lille, Lille, France, and his colleagues, mortality in patients with coronary bypass surgery was four times higher in people with high body fat. .
The study found that certain factors, including body fat and lean weight, could complicate cardiac surgery. Lean body weight is a person's body weight, which can be approximated by measuring height, weight, girth, and sex.
The team conducted a retrospective study of 3,373 patients who underwent elective cardiopulmonary bypass surgery from January 2013 to December 2016.
Mortality within 30 days occurred in 2.1% of cases and significant differences were observed between body mass index, body fat and lean body weight. However, BMI alone has not been considered a factor.
Mortality within 30 days occurred in 2.1% of cases and significant differences were observed between body mass index, body fat and lean body weight. However, unlike BMI, the higher a patient's body fat and the leaner the weight, the longer he / she has been in intensive care.
"The 25% of patients with the highest fat mass were 4.1 times more likely to die than 25% with the lowest fat mass, and the 25% of patients with the leanest body weight were 2, 8 times more likely to die than the 25% of patients with the highest body weight, "the study concluded.
The BMI calculates weight, muscle, fat and bone based on size and gender. A BMI of 25 to 29.9 is considered overweight and those with a BMI of 30 or more are considered obese; Morbidly obese people have a BMI of 44.9 or higher.
The obesity rate in adults exceeds 30% of the population in 20 US states and exceeds 35% in at least three states – Arkansas, West Virginia and Mississippi. In addition, about 22 states have rates above 30 percent, 45 states above 25 percent, and all states above 20 percent.
There are conflicting studies on obesity and mortality, known as the "paradox of obesity". In fact, a higher BMI may be associated with lower mortality and better outcomes in many chronic diseases and health conditions, according to previous research.
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According to this study, BMI is "gross and imperfect" and does not take into account body fat, nutrition, cardiorespiratory fitness, adipose tissue distribution or any other factor affecting mortality. . A low body weight could also be the result of an underlying disease rather than the cause.
However, previous research also suggests that the more overweight you are, the more likely you are to die prematurely. Weight gain in young adults and middle-aged adults will increase health risks later in life, according to a study conducted in 2017 by researchers at Harvard T.H. Chan School of Public Health.
People who had taken a moderate amount of weight (between 5 and 22 pounds) before the age of 55 increased their risk of premature death, chronic disease and reduced their chances of aging in good health, according to the report. ;study. And the higher the weight gain, the greater the risk of chronic diseases.
People who took a moderate amount of weight (between 5 and 22 pounds) before the age of 55 increased their risk of premature death, chronic disease, and reduced their chances of aging in good health.
The study analyzed data from nearly 93,000 participants.
The women took an average of 22 pounds during this period, while the men gained 19. "The results indicate that even modest weight gain can have significant health consequences," said Frank Hu, professor Nutrition and Epidemiology and President of the Department of Nutrition, in a statement.
Worse still, the beginning of adult life and the middle of life represent the moment of life. Most people gain weight, their metabolism slows down and recurrent knee and back injuries become more common, studies have shown. Many people are also less active in their thirties and forties when they work longer.
Overweight or obesity is associated with a higher risk of premature death than having a healthy weight, according to a separate international study published in 2016. also directed by Harvard T.H. Chan School of Public Health and the University of Cambridge in the UK
In examining specific causes of death, the study found that for each increase of five units of BMI (from 30 to 35, for example), the corresponding increase in risk was 49% for cardiovascular mortality, 38% for mortality from respiratory disease and 19%. for cancer mortality.
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