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Bariatric surgery is an operation that treats obesity and related health conditions. Sometimes bariatric surgery is called weight loss surgery or obesity surgery. Although types of bariatric surgery procedures have been around for decades, medical innovations in the last 10 years have made these procedures even more safe and effective than before. The most common types of bariatric surgery are:

  • Gastric sleeve – also called vertical sleeve gastrectomy or “the sleeve” for short
  • Gastric bypass – which is the short name for a roux-en-y gastric bypass
  • Lap band – also known as a gastric band
  • Revision surgery – a common phrase that refers to the case where someone has an initial bariatric surgery, and then has another operation to get better results

Overview of the gastric sleeve

  • The physical changes: The sleeve is a procedure where our surgeon takes out about 75% of your stomach. This leaves you with a small stomach that’s shaped like a banana. As you can imagine, when your stomach is significantly smaller, it takes less food to make you feel full.
  • The hormonal changes: An interest aspect of the gastric sleeve is an important hormonal change that takes place. The part of the stomach that’s removed is where your body makes most of its ghrelin. Ghrelin is sometimes called “the hunger hormone”. When you’re overdue for a meal, or if you look at pictures of tempting food, your body makes ghrelin and you get that familiar hungry feeling and growl in your stomach. After the sleeve, many patients report that they simply do not feel the hunger they used to. It’s believed this is because they do not have nearly as much ghrelin being produced.

Overview of the gastric bypass

  • How the stomach changes: When someone has a gastric bypass, the first thing the surgeon does is separate the stomach into 2 portions. Only one of these portions remains in use. This means when you eat, your food is going into a small stomach pouch and you feel full more quickly. In this respect, the gastric bypass is similar to the sleeve.
  • Rerouting the intestines: The other part of the gastric bypass is a rerouting of your intestines. The surgeon changes the intestinal tract so that you have a smaller portion of intestines for your food to pass through. This is important because it means that fewer calories are absorbed by the body. When you see the full name of the bypass, “roux-en-y” bypass, this is because the rerouted intestines make kind of a “Y” shape.

Overview of the lap band

  • The band: During the gastric band procedure we place a silicon ring around the stomach. This squeezes the stomach enough to creates a small upper pouch, and a larger lower pouch. The purpose of this band is that when you eat, a smaller meal will fill you up and it takes longer to digest food because your food stays in the small upper pouch for longer and then slowly moves to the lower portion. It also means many people find they feel full for longer, since their stomachs don’t empty as quickly.
  • The port: The silicone ring is attached to what’s called a port. The port goes just under your skin. We use this port to add fluid to your band when you want a tighter feeling, or to remove fluid if it needs to be looser. Patients who have the lap band will work with the office to find an optimal level of fluid. Using the port, we can add or remove fluid in just a quick office visit, with no anesthesia needed.

Gastric balloons: surgical or not?

Today there are several types of weight loss balloons available, including Orbera and Obalon. Although these are bariatric procedures or weight loss devices, they are not considered to be surgical. If you have a gastric balloon, you will have anesthesia for the placement and/or removal of the balloon. But while you’re asleep there is no cutting, and this is why the balloons are not surgical procedures. Instead, the balloons are an “endoscopic” procedure, which involves a thin tube being placed down your throat while you’re asleep.

Bariatric surgery revision options

Most of the time, a patient who has any type of bariatric surgery has good success in losing weight. In some cases, however, a patient does not lose much weight, or loses weight and then regains most of it. In either of these cases, a revisional procedure may be the best option. This means we do a different bariatric surgery than initially done. If you had bariatric surgery and do not feel as though you’ve had the success you wanted, please come in for a consultation with us so we can explain the best options based on your medical history and goals. For almost any medical condition, some people require more than one procedure to succeed. This is not a reflection on you, and in most cases a person who chooses a revisional bariatric surgery option, will succeed in losing weight.


Why surgery works

Bariatric surgery works because of the physical and/or hormonal changes that take place in your body. In addition, a critical part of the success of any type of bariatric surgery is the work you do after your operation day. Our most successful patients are those that are ready to commit to the lifestyle changes that allow for maximum weight loss. We will work with you to adjust to the eating and lifestyle choices that best support the operation you choose. In general, here are some of the important factors for weight loss success after surgery:

  • Eat slowly
  • Chew each bite of food very well
  • Focus on protein and vegetables
  • Keep liquid calories to a minimum
  • Pay attention to your body and only eat when you’re actually hungry
  • Avoid processed food when possible
  • Incorporate movement into most days. This does not have to be extreme exercise. Walking is an excellent source of exercise that almost all patients can start with.

Qualifying for bariatric surgery

In general, someone can qualify for bariatric surgery if their BMI is 40 or higher, regardless of any other medical conditions. In addition, someone with weight-related medical conditions may qualify for bariatric surgery with a BMI of 35 and up. These weight-related medical conditions are commonly called comorbidities. The generally recognized comorbities include:

  • Arthritis
  • Sleep apnea
  • High blood pressure or high cholesterol
  • Venous stasis disease
  • Type 2 diabetes
  • Soft tissue infections

Bariatric surgery does not only help people lose significant weight in many cases, but it can also lead to improvement in weight-related health conditions. We’ve seen many patients go into remission with type 2 diabetes, find renewed ability to walk after suffering with arthritis, and stop needing medication for high blood pressure or cholesterol.


Most popular weight loss surgery options

Currently, the gastric sleeve and gastric bypass are the most popular bariatric surgery choices. These two operations are somewhat more invasive than the lap band, but both result in higher weight loss, on average. Each type of bariatric surgery has its strengths, so the best way to make a decision is to get educated on the differences, and speak to us about your individual situation. We are happy to help you become educated and confident in bariatric surgery options.

Laparoscopic bariatric surgery

We perform almost all of our bariatric surgeries with a technique called “laparoscopic” surgery. This means instead of making a large incision, we make several little incisions – usually just a half centimeter to 2 centimeters. Laparoscopic surgery tools are so thin that we can do the entire operation through these small incisions. There are several important benefits of laparoscopic surgery, compared to open surgery. On average these benefits include:

  • less bleeding
  • shorter recovery time
  • less pain
  • smaller, less noticeable scars
  • go home faster after your procedure

If you would like to lose weight and have not been successful with diet and exercise alone, bariatric surgery may be a good option for you. You also may be interested in learning more about a non-surgical weight loss balloon. We offer a variety of types of bariatric surgery, as well as several types of gastric balloons. Please get in touch with us to schedule a consultation.

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Practice Policy Update Regarding COVID-19 Your safety is our top priority.

To our valued patients,

I hope that you and your families have stayed healthy and well during this difficult time. We want to thank all of the essential workers that provided us with critical services during this period and also to all of you that remained at home preventing the further spread of the virus.

As we re-open our facilities our priority remains the safety and well being of our patients and staff. To that end, we have implemented a number of important safety measures at all of our facilities.

  1. All patients, staff, and caregivers will be screened via a questionnaire and temperature for Covid-19 symptoms at the front entrance.
  2. Only those individuals that pass the screening will be allowed into the facility.
  3. Patients can only bring 1 other person with them to the appointment.
  4. All patients (and caregivers) need to wear a mask while in the facility. Please bring a cloth or other mask with you to the appointment.
  5. Physical distancing will be in effect in the office waiting room and throughout the office.
  6. Once the physical distance capacity has been reached in the waiting room, patients will be asked to wait in their vehicles and will be called to come in at their appointment time.
  7. All surfaces in the office will be cleaned and disinfected at least on an hourly basis.
  8. All patient rooms will be cleaned and disinfected after each patient use.
  9. Caregivers waiting for patients after surgery will be asked to not wait in the facility.
  10. All staff will be wearing PPE in accordance with CDC guidelines.

We understand that these continue to be uncertain and difficult times however we remain committed to your health, well being, safety, and ensuring you the best outcome possible.

All Athenix locations are now open. However, as we continue to practice physical distancing, we are still available for virtual consultations at any of our locations. You can reach us by calling 888-276-1535 or email [email protected] to get scheduled.

We thank you for your continued support and trust in Athenix and look forward to seeing you soon.


Gavin M. Dry, M.D. Chief Medical Officer