Is general anesthesia safe for obese patients?

One of the biggest concerns is that being overweight makes you more likely to have a condition called sleep apnea, which causes you to temporarily stop breathing while you sleep. This can make anesthesia riskier, especially general anesthesia, which causes you to lose consciousness.

Is there a weight limit for anesthesia?

A BMI over 25 is termed as being overweight and over 30 is termed as being obese. There can be a higher risk of surgical and anaesthetic complications if you have a BMI over 30. If you lose even 5 to 10% of your weight, this could reduce some of the risks associated with anaesthesia.

What is a safe BMI for surgery?

Learn your body mass index

Morbid obesity is defined as a BMI score of 40 or more. You typically qualify for bariatric surgery if you have a BMI of 35-39, with specific significant health problems like Type 2 diabetes, sleep apnea or high blood pressure. A BMI of 40 or higher also is a qualifying factor.

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How should anesthetics be dosed in obese patients?

In general, lean body weight is the most appropriate dose for most anesthetic drugs, with the exception of NDMB, where ideal body weight may be more appropriate. Succinylcholine should be dosed to total body weight.

How can I manage Anaesthesia in obese patients?

For any obese patient, the implementation of difficult intubation protocols and the use of protective ventilation (low tidal volume 6-8mL/kg of ideal body weight, moderate positive end-expiratory pressure of 10cmH20, recruitment manoeuvres in absence of contra-indications), with morphine sparing and semi-seated …

What are the odds of dying from general anesthesia?

The risk of death solely attributable to anesthesia is approximately 1 in 185,000 according to anesthesia textbooks. However, looking at a large study that reviewed nearly 2.9 million people that had general anesthesia, the death rate was around 33 per 100,000 people, or equivalent to 3.3 in 10,000.

What happens if you get too much anesthesia?

Administering too much anesthesia, which can result in lack of oxygen, brain damage, and possibly death. Administering too little anesthesia, which can result in the patient waking up during surgery. Administering the incorrect anesthesia drug.

Can I have surgery if I am overweight?

Obesity can make surgery more challenging. If you or a loved one are overweight or obese and planning to have surgery, you should be aware that excess weight can put you at risk for certain side effects and complications. These can result from the surgery itself, or from the anesthesia you may need during your surgery.

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What happens if you stop breathing during anesthesia?

Anesthesia, especially general anesthesia, can be dangerous for people with obstructive sleep apnea. The condition makes anesthesia riskier because it slows down breathing and can make you more sensitive to its effects. Sleep apnea also can make it more difficult to regain consciousness and take a breath after surgery.

What is the maximum BMI for tummy tuck?

HOWEVER, it is generally accepted by reputable plastic surgeons that if one’s body mass index (BMI) is 40 or above, a level that stratifies one as morbidly obese, you should not undergo a tummy tuck. (BMI is the relationship of one’s height to one’s weight.

How does weight affect drug effectiveness?

Changes in body weight can influence the amount of medicine you need to take and how long it stays in your body. The circulatory system may slow down, which can affect how fast drugs get to the liver and kidneys.

How is lbw calculated?

LBW was estimated using the equation: LBW (kg) = (9270 x Wt) / (8780 + (244 x BMI)).

How do you calculate ideal body weight for anesthesia?

Ideal body weight is computed in men as 50 + (0.91 × [height in centimeters − 152.4]) and in women as 45.5 + (0.91 × [height in centimeters − 152.4]). A simple alternative would be to compute ideal body weight as the weight corresponding to an ideal body mass index of 22 kg/m2.

Who obese classification?

For adults, WHO defines overweight and obesity as follows: overweight is a BMI greater than or equal to 25; and. obesity is a BMI greater than or equal to 30.

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What are the anesthetic problems caused by morbid obesity?

Effect of fat distribution

Obesity is associated with hypertension, dyslipidaemia, ischaemic heart disease, diabetes mellitus, osteoarthritis, liver disease, and asthma. Obstructive sleep apnoea (OSA) is a common problem in the morbidly obese. Less well known is the obesity-hypoventilation syndrome.

What is General Anaesthesia?

General anesthesia is a combination of medications that put you in a sleep-like state before a surgery or other medical procedure. Under general anesthesia, you don’t feel pain because you’re completely unconscious. General anesthesia usually uses a combination of intravenous drugs and inhaled gasses (anesthetics).

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