Weight Loss Surgeries

Written by: Maxwell Kramer

Many people consider weight loss surgeries when they feel that a healthydiet and exercise isn’t working fast enough, or they need to lose weightright away if obesity is putting their life at risk. If you’re at least 80 pounds overweight, doctors do provide surgery as an option for you. Aweight loss surgery works to limit the amount of food you can eat at once, and some also restrict the amount of calories you can absorb. These surgeries result in rapid weight loss which can be maintained with proper diet and exercise. It’s important to know the risks involved which include blood clots, infections, hernias and even death.

Gastric Bypass Surgery - Weight Loss Surgeries


With gastric bypass surgery, your stomach is manipulated so that it’s smaller and won’t fit as many ounces as before. Your body also won’t absorb all the calories you consume.


This surgery works by changing how your stomach and small intestines digest food.

After the surgery, your stomach will be smaller. You will feel full or satisfied with less food. The food you eat will no longer go into some parts of your stomach and small intestine that break down food. Because of this, your body will not absorb all the calories from the food you eat. You will receive general anesthesia before this surgery. This will make you unconscious and unable to feel pain.


Gastric bypass can be done in two ways. With open surgery, your surgeon will make a large surgical cut (incision) to open up your belly. Your surgeon will do the bypass by directly handling your stomach, small intestine, and other organs.Another way to do this surgery is to use a tiny camera, called a laparoscope, which is placed in your belly. This is called laparoscopy. In this surgery:

• First, your surgeon will make 4 to 6 small incisions in your belly.

• Then your surgeon will pass the laparoscope through one of these incisions. It will be connected to a video monitor in the operating room. Your surgeon will look at the monitor to see inside your belly.

• Your surgeon will use thin surgical instruments to do your bypass. These instruments will be inserted through the other incisions.

• You will probably stay in the hospital a shorter time and recover more quickly after laparoscopy, compared to open surgery. The biggest benefit of laparoscopic surgery is reduced pain. You will also have smaller scars and a lower risk of developing hernias.


Laparoscopy is one of the weight loss surgeries that may not be safe for you if you:

• Have had abdominal surgery in the past. This is because you may have scar tissue from earlier surgery.

•Have severe heart and lung disease

• Weigh more than 350 pounds


There are two basic steps during both kinds of gastric bypass:

• The first step makes your stomach smaller. Your surgeon will use staples to divide your stomach into a small upper section and a larger bottom section. The top section of the stomach (called the pouch) is where the food you eat will go. This pouch is about the size of a walnut. It holds only about 1 ounce of food.

• The second step is the bypass. Your surgeon will connect a part of your small intestine, called the jejunum, to a small hole in your pouch. The jejunum is farther down from where your stomach normally attaches to your small intestine. Food you eat will now travel from the pouch into this new opening into your small intestine. When food travels this way, it bypasses the lower part of your stomach and the first part of your small intestine. Because of this, your body will absorb fewer calories.This surgery takes about 4 hours.This surgery may increase your risk for gallstones. Your doctor may recommend having a cholecystectomy (surgery to remove your gallbladder) before your bypass surgery.

Why the Procedure is Performed - Weight Loss Surgeries

Weight loss surgeries may be an option if you are very obese and have not been able to lose weight through diet and exercise.Gastric bypass surgery is not a “quick fix” for obesity. You must be committed to diet and exercise because you need to continue dieting and exercising after the surgery. You may have complications from the surgery if you don’t. One problem some people have is throwing up if they eat more than their new small stomach can hold.People who have this surgery should be mentally stable, motivated, and not be dependent on alcohol or illegal drugs.This procedure may be recommended for you if you have:

• A body mass index (BMI) of 40 or more. Someone with a BMI of 40 or more is at least 100 pounds over their recommended weight. A normal BMI is between 18.5 and 25.

• A BMI of 35 or more and a serious medical condition that might improve with weight loss. Some of these conditions are sleep apnea, type 2diabetes, and heart disease.

Risks - Weight Loss Surgeries

Gastric bypass one of the major weight loss surgeries and has many risks. Some of these risks are very serious. You should discuss these with your surgeon.The risk of surgery itself or for problems after surgery may be greater than normal if you are:

• Unable to walk even short distances. This increases your risk of blood clots, lung problems, and pressure sores (also called bed sores).

A child who is still growing

• An adult older than 60 to 65 yearsRisks for any anesthesia include:

• Allergic reactions to medicines

• Breathing problemsRisks for any surgery include:

• Blood clots in the legs that may travel to your lungs

• Infection, including in the incision, lungs (pneumonia), bladder, or kidney

• Blood loss

• Heart attack or stroke during surgeryRisks or problems that may occur during or soon after gastric bypass surgery include:

• Injury to the stomach, intestines, or other organs during surgery

• Leaking through the staples in the stomach after surgery. This may require an emergency surgery.

• Depression


The risks or problems of weight-loss surgery that may occur over time include:

• Breakdown of the pouch, which would require another surgery to repair it

• The opening between your stomach pouch and the small intestine may get narrower. This may require another surgery.

• Anemia from low iron or vitamin B12 levels

• Low calcium levels, which can cause early osteoporosis or other bone disorders

• Gallstones and gallbladder attacks, which occur more often when youlose weight quickly.

• Gastritis (inflamed stomach lining), heartburn, or stomach ulcers

• Vomiting from eating more than your stomach pouch can hold

• Dumping syndrome. This is when the contents in your stomach move through your small intestine quickly. This causes discomfort and poor nutrition.

• Incisional hernia, which is much more common when an open procedure is done. An incisional hernia is a bulging of tissue through the site of your incision.

• Kidney stones

Before the Procedure

Your surgeon will ask you to have tests and visits with your other health care providers before you have this surgery. Some of these are:

• A complete physical exam

• Blood tests, ultrasound of your gallbladder, and other tests to make sure you are healthy enough to have surgery

• Visits with your doctor to make sure other medical problems you may have, such as diabetes, high blood pressure, and heart or lung problems, are under control

• Nutritional counseling

• Classes to help you learn what happens during the surgery, what you should expect afterward, and what risks or problems may occur afterward

• Visiting with a mental health provider to make sure you are emotionally ready for major surgery. You must be able to make major changes in your lifestyle after surgery.If you are a smoker, you should stop smoking several weeks before surgery and not start smoking again after surgery. Smoking slows recovery and increases the risks of problems. Tell your doctor or nurse if you need help quitting.Always tell your doctor or nurse:

• If you are or might be pregnant

• What drugs, vitamins, herbs, and other supplements you are taking, even ones you bought without a prescriptionDuring the week before manyweight loss surgeries:

• You may be asked to stop taking aspirin, ibuprofen (Advil, Motrin), vitamin E, warfarin (Coumadin), and any other drugs that make it hard for your blood to clot.

• Ask your doctor which drugs you should still take on the day of your surgery.

• Prepare your home for after the surgeryOn the day of your surgery:

• Do not eat or drink anything after midnight the night before your surgery.

• Take the drugs your doctor told you to take with a small sip of water.

• Your doctor or nurse will tell you when to arrive at the hospital.

After the Procedure – Weight Loss Surgeries

Most people stay in the hospital for 3 to 5 days after surgery. In the hospital, you:

• Will be asked to sit on the side of the bed and walk a little the same day you had surgery

• May have a catheter (tube) that goes through your nose into your stomach for 1 or 2 days. This tube helps drain fluids from your belly.

• Will not be able to eat for the first 1 to 3 days. After that you can have liquids, and then puréed or soft foods after that.

• May have a catheter connected to the larger part of your stomach that was bypassed. It will come out of your side and will drain fluids.

*Will wear special stockings on your legs to help prevent blood clots from forming.

• Will receive medicine through shots to prevent blood clots

• Will receive pain medicine. You will take pills for pain or receive pain medicine through an IV, a catheter that goes directly into your veins.You will be able to go home when you:

• Can eat liquid or puréed food without vomiting

• Can move around without a lot of pain

• Do not need pain medicine through an IV or given by shot

Outlook – Weight Loss Surgeries

With weight loss surgeries, most people lose about 10 to 20 pounds a month in the first year after. Weight loss will decrease over time, so sticking to your diet and exercise early on will provide the largest weight loss. You may lose half or more of your extra weight in the first 2 years. You will lose weight rapidly soon after surgery, if you are still on a liquid diet or pureed diet.Losing enough weight after surgery can improve many medical conditions you might also have. Conditions that may improve are asthma, type 2 diabetes, high blood pressure, obstructive sleep apnea, high cholesterol, and gastroesophageal disease (GERD). Weighing less should also make it much easier for you to move around and do your everyday activities.Bypass surgery alone is not a solution for weight loss. It can train you to eat less, but you still have to do much of the work. To lose weight and avoid complications from any weight loss surgeries, you will need to follow the exercise and eating guidelines that your doctor and dietitian have given you.

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