Gastric Bypass: What are the risks and contraindications to surgery to lose weight?

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Risk factors and unwanted effects of bariatric surgery

The gastric bypass is a surgery that is performed on people with morbid obesity, especially if they have risk factors such as hypertension, smoking, diabetes, etc. This is usually the treatment of choice for patients similar to those of your husband features.

A new scoring system to predict, in appropriate ways, which patient is at increased risk of dying to be performed bariatric surgery such as gastric bypass already exists.

This system is based on five medical factors, and was proposed last year by surgeons Medical Center Duke University. To do this, the patient’s weight, gender, age, blood pressure and the risk of developing a blood clot in the lungs is taken into account.

As you can determine the risk to a patient undergoing gastric bypass.

16063648-equipo-m-dico-en-el-trabajo-en-sala-de-operacionesPhysicians using this system can easily determine if the patient presents risk of dying is low, medium or high. It has been found that patients in the high risk group were six times more likely to die than those in the low-risk group, and patients in the medium risk group were three times more likely to die.

The surgeon Eric DeMaria, Duke Hospital, said that this system is the first to determine the risk for patients who are considering bariatric surgery, such as gastric bypass as an option. This system, he said, allows surgeons have concrete data they can use to make the decision whether or not surgery and during the discussion with patients. Also, the system provides standardization of surgical outcomes, making comparisons among the most significant averages.

In a new study, data from 4,433 patients who had bariatric surgery at the University of South Florida, the Medical University of South Carolina and a private hospital in Scottsdale, Arizona examined.

In this scoring system, patients are organized into four groups:

Low risk, because it has none or only one of the five medical risk factors,
Medium risk, because they have two or three factors,
Of maximum risk, because they have four or five of them.
Of the 2,166 patients classified by the scoring system and the low-risk group, eight died. Twenty-six of the 2,142 patients in the medium-risk group died, and three of the 125 patients in the high risk group. Although patients in the high risk group represent less than 3% of the total, representing 8% of deaths.

Factors to consider are:

A body mass index greater than 50. On this scale, the extent of body fat based on the weight and height of the person 30 and above is considered obese.
Gender male. Men are more likely than women to develop hypertension, diabetes and metabolic disorders, in addition to the risk of the surgery itself.
Advanced age. Patients over 45 are at high risk of dying after bariatric surgery.
Hypertension. Patients with hypertension or high blood pressure, regularly have heart problems or chronic inflammation of the blood vessels, increasing the risk of surgery.
Risk of pulmonary embolism. Patients with pulmonary embolism, a blood clot in the lungs, or are at risk of developing a stroke are at increased risk of death in surgery.

“When we talk to patients about bariatric surgery, we can cite national averages in terms of risks, but not very useful when a specific patient sitting in front of me,” says DeMaria. “Many physicians and patients see bariatric surgery as an option only when other means of weight loss have failed. However, our system shows that this strategy may need to be reconsidered. “

For patients at high risk, DeMaria said that the best method is to lose some weight before surgery. Alternatively, surgeons can make a series of smaller procedures, and therefore less risky, during that time.

Adverse effects of gastric bypass

In bariatric surgery should be considered not only the medical process, but also the psychological aspect. To control anxiety, psychological and medical therapy is critical.

As for anxiety by smoking and alcohol, generally the patient to stop smoking a few weeks before the operation is requested. Surely have adequate psychological support and medication to lower that anxiety, and well after the operation will be easier to bear. It is also important to note that consumption of alcohol is prohibited after surgery.

Like all the bypass surgery may present some risks

Fistula formation.
Deficiency of vitamins and minerals, this is corrected with micronutrient supplementation.
Intolerance to certain foods.
Dehydration.
Low blood glucose.
Kidney stone formation.
Gallstone formation.
Diarrhea.
Once you start losing weight after a gastric bypass, the risk factors will be reduced.

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