LAP-BAND® Vs Gastric Bypass - All You Need to Know

Last Updated:  

06/27/2017

The most important takeaways when evaluating LAP-BAND® vs gastric bypass include:

  • How they work: Both make you feel full sooner while eating. Only bypass reduces the amount of minerals you absorb. Only LAP-BAND® (i) requires initial and ongoing adjustment by your surgeon and (ii) is reversible.
  • Qualify: Same requirements (30+ BMI with health problems, 40+ without)
  • Hospital & recovery: LAP-BAND® is a less complicated procedure with a shorter operating time and shorter hospital stay. In-hospital and post-op recovery is similar.
  • Weight loss & health improvement: Gastric bypass results in faster and more short- and long-term weight loss.
  • Insurance: Same (if your policy covers bariatric surgery, both bypass and band will be covered)
  • Cost: Same with insurance, bypass is about $9,000 more expensive without insurance.
  • Diet & life after: Similar diet and exercise regimen. Bypass requires more stringent vitamin/mineral observation and supplementation.
  • Complications & side effects: Both have a 99.8+% survival rate. Bypass has a higher risk of short-term complications. Band has a higher risk of long-term complications.
Lap Band vs Gastric Bypass

Read and click the sections below for everything you need to know to decide which procedure is best for you.

01How They Work
  • Bypass: Feel full sooner while eating, absorb fewer minerals
  • Band: Feel full sooner while eating, adjustable, reversible

Understanding gastric bypass surgery vs LAP-BAND® surgery starts with the fundamental differences in how each procedure impacts your digestive system:

Gastric Bypass

Gastric Bypass

Why Gastric Bypass Works

  • Reduced stomach size makes the patient feel full sooner after eating
  • Rearranged intestines causes the body to absorb fewer minerals
  • Dumping syndrome symptoms deter patients from eating unhealthy foods

How Gastric Bypass Is Performed

Gastric bypass, also called Roux-en-Y gastric bypass or RNY for short, is performed using the following steps:

  1. Cut and staple the top portion of the stomach to create a small pouch at the end of the esophagus
  2. Leave the remainder of the stomach attached to the top of the small intestines
  3. Go further down the small intestine, cut it, and attach it to the pouch
  4. Take the end of the small intestine that is still connected with the non-pouch portion of the stomach and attach it to the bottom of the “Roux limb.” This allows the digestive juices produced by the stomach to “meet up” with the food in the intestines.

LAP-BAND®

Lap Bnad

Why LAP-BAND® Surgery Works

  • A band wraps around and squeezes a narrow section in the upper-middle part of the stomach. This creates a smaller stomach “section” above the band which fills up quicker after eating, causing the patient to feel full sooner and eat less.

How LAP-BAND® Surgery Is Performed

The LAP-BAND®, also called the gastric band or laparoscopic adjustable gastric band, has been used in Europe since the 90’s but wasn’t approved by the FDA in the States until 2001.

The gastric band surgery procedure involves the sewing of a silicone and Silastic band around the top of the stomach. A balloon around the inner surface of the band (imagine the inside of a bicycle tire) is connected to a tube that leads to a half-dollar-sized port above the abdominal muscles but below the skin.

During follow up visits, your doctor will add or remove saline solution (salt water) to make it tighter or looser. The tighter it is, the less hungry you feel and vice-versa.

The procedure is also fully reversible (unlike gastric bypass).

02Weight Loss
  • Bypass results in ~10% more weight loss than LAP-BAND®

Patients lose weight quickly after both gastric sleeve and LAP-BAND®. However, gastric sleeve patients:

  • Tend to lose weight faster
  • Tend to reach a lower “low weight” than band patients
  • Tend to gain back more weight over the long-term (bringing sleeve weight loss back in-line with LAP-BAND® weight loss by year 5)

The below chart compares average weight loss over time for each procedure:

Timeframe
Timeframe
3 months
3 months
6 months
6 months
1 Year
1 Year
2 Years
2 Years
3 Years
3 Years
5 Years
5 Years
Timeframe
% of Excess Weight You’ll Lose with Gastric Bypass
3 months
30%
6 months
50%
1 Year
65%
2 Years
60%
3 Years
60%
5 Years
60%
Timeframe
% of Excess Weight You’ll Lose with LAP-BAND®
3 months
20%
6 months
30%
1 Year
40%
2 Years
55%
3 Years
55%
5 Years
55%

Example

For for a person who is 5 feet, 7 inches tall and 250 lbs, following is the amount of average expected weight loss for each procedure:

Timeframe
Timeframe
3 months
3 months
6 months
6 months
1 Year
1 Year
2 Years
2 Years
3 Years
3 Years
5 Years
5 Years
Timeframe
Gastric Bypass: Total Expected Weight Loss for 5’7”, 250 lb patient
3 months
28 lbs
6 months
46 lbs
1 Year
60 lbs
2 Years
55 lbs
3 Years
55 lbs
5 Years
55 lbs
Timeframe
LAP-BAND®: Total Expected Weight Loss for 5’7”, 250 lb patient
3 months
18 lbs
6 months
28 lbs
1 Year
37 lbs
2 Years
51 lbs
3 Years
51 lbs
5 Years
51 lbs
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03Health Benefits
  • LAP-BAND® vs Gastric Bypass: Similar, but health improvement edge goes to bypass

Studies evaluating LAP-BAND® vs gastric bypass surgery have found very similar health improvement for diabetes, hypertension, sleep apnea, and most other obesity-related health problems, depending on which study is referenced.

The chart below compares study results by condition for each procedure:

Co-morbidity
Co-morbidity
Dyslipidemia hyperchole­sterolemia
Dyslipidemia hyperchole­sterolemia
Diabetes
Diabetes
Hyperli­pidemia (high levels of fat in the blood, high cholesterol)
Hyperli­pidemia (high levels of fat in the blood, high cholesterol)
High Blood Pressure (hyper­tension)
High Blood Pressure (hyper­tension)
Joint/Bone Disease (osteoar­thropathy)
Joint/Bone Disease (osteoar­thropathy)
Depression
Depression
Migraines
Migraines
Pseudo­tumor cerebri
Pseudo­tumor cerebri
Cardiova­scular Disease
Cardiova­scular Disease
Venous Stasis Disease
Venous Stasis Disease
Gastroeso­phageal Reflux Disease (GERD)
Gastroeso­phageal Reflux Disease (GERD)
Non-Alcoholic Fatty Liver Disease
Non-Alcoholic Fatty Liver Disease
Mortality Reduction/ Life Expectancy (5 year mortality)
Mortality Reduction/ Life Expectancy (5 year mortality)
Quality of Life Improve­ments
Quality of Life Improve­ments
Metabolic Syndrome
Metabolic Syndrome
Polycystic Ovarian Syndrome
Polycystic Ovarian Syndrome
Pregnancy
Pregnancy
Asthma
Asthma
Obstructive Sleep Apnea
Obstructive Sleep Apnea
Stress Urinary Inconti­nence
Stress Urinary Incontinence
Co-morbidity
Bypass % Improved /Resolved
Dyslipidemia hypercholesterolemia
63%
Diabetes
83%
Hyperlipidemia (high levels of fat in the blood, high cholesterol)
73%
High Blood Pressure (hypertension)
69%
Joint/Bone Disease (osteoarthropathy)
43%
Depression
Most
Migraines
57%
Pseudotumor cerebri
96%
Cardiovascular Disease
79%
Venous Stasis Disease
95%
Gastroesophageal Reflux Disease (GERD)
80%
Non-Alcoholic Fatty Liver Disease
90%
Mortality Reduction/Life Expectancy (5 year mortality)
89%
Quality of Life Improvements
95%
Metabolic Syndrome
80%
Polycystic Ovarian Syndrome
Most
Pregnancy
Most
Asthma
80%
Obstructive Sleep Apnea
98%
Stress Urinary Incontinence
88%
Co-morbidity
Band % Improved /Resolved
Dyslipidemia hypercholesterolemia
70%
Diabetes
60%
Hyperlipidemia (high levels of fat in the blood, high cholesterol)
23%
High Blood Pressure (hypertension)
43%
Joint/Bone Disease (osteoarthropathy)
81%
Depression
57%
Migraines
Some
Pseudotumor cerebri
Most
Cardiovascular Disease
73%
Venous Stasis Disease
Gastroesophageal Reflux Disease (GERD)
87%
Non-Alcoholic Fatty Liver Disease
Most
Mortality Reduction/Life Expectancy (5 year mortality)
89%
Quality of Life Improvements
Most
Metabolic Syndrome
78%
Polycystic Ovarian Syndrome
48%
Pregnancy
Most
Asthma
82%
Obstructive Sleep Apnea
85%
Stress Urinary Incontinence
82%

04Qualify
  • LAP-BAND® vs Gastric Bypass: Same BMI requirements
  • Click here to calculate your BMI

lap band vs gastric bypass

Enter your height & weight, then click the button:

Enter your height & weight, then click the button:

30+

GASTRIC BYPASS & LAP-BAND
Required BMI

  • Below 18.5Underweight

  • 18.5 – 24.9Healthy Weight

  • 25.0 – 29.9Overweight

  • 30.0 – 34.9Obese

  • 35.0 – 39.9Severely Obese

  • 40.0 – 49.9Morbidly Obese

  • 50 or higherSuper Obese

Click to Collapse SectionClick to Learn More

In order to have LAP-BAND® surgery or gastric bypass surgery, your body mass index (BMI) must fall within one of the following ranges:

  • Body mass index 40 or above or
  • Body mass index from 35 to 40 as long as you have a serious obesity-related health problem (“comorbidity”) such as diabetes, asthma, hypertension, joint problems, sleep apnea, or one of many others.
  • Body mass index from 30 to 35 may be accepted if certain health issues are present

Use the BMI Calculator above to determine your body mass index.

05Insurance
  • Gastric Bypass vs LAP-BAND®: Both are covered, as long as your policy includes bariatric surgery
  • Click here to check your insurance

lap band vs gastric bypass

LAP-BAND®/GASTRIC BYPASS COST-AFTER-INSURANCE ESTIMATOR

Projected Out Of Pocket Costs After Insurance

PROJECTED OUT OF POCKET COSTS AFTER INSURANCE

Click Below to Update Your Plan's Details from U.S. Averages

Data is for illustrative purposes only. Please check with your insurance company for specific costs and benefit information.

The following variables may or may not impact your projected out of pocket costs.

LAP-BAND®/GASTRIC BYPASS
INSURANCE TOOLS

Cost-After-Insurance Estimator

Check My Insurance Tool

CHECK MY
INSURANCE TOOL
1

Choose your plan, state, and insurance company below.

Can’t find your insurance company/plan or have updated info? Click here to contact us.

This tool provides estimates only. Please contact your insurance company to verify your actual out of pocket costs.

Click to Collapse SectionClick to Learn More

As long as your specific insurance policy includes weight loss surgery, both gastric bypass surgery and LAP-BAND® surgery will be covered.

The weight loss surgery insurance approval process can take anywhere from 1 to 12 months, depending on your insurance company and your situation.

Following are the typical step:

  1. Confirm with your doctor that your body mass index and health conditions fall within one of the two qualification requirements:
    • BMI over 40 –OR–
    • BMI over 35 with one or more of the following (insurance companies will usually not cover BMI’s below 35):
      • Clinically significant obstructive sleep apnea
      • Coronary heart disease
      • Medically refractory hypertension
      • Type 2 diabetes mellitus
      • Other obesity-related health issues
  2. Complete 3 to 7 consecutive months of a medically supervised diet program, depending on your insurance company (can be coordinated by your bariatric surgeon).
  3. Schedule a consultation with your bariatric surgeon.
  4. Schedule a consultation with your primary care physician to obtain a medical clearance letter.
  5. Schedule a psychiatric evaluation to obtain a mental health clearance letter (usually coordinated by your bariatric surgeon).
  6. Schedule a nutritional evaluation from a Registered Dietitian (usually coordinated by your bariatric surgeon).
  7. SSend all of the above documentation to your insurance company along with a detailed history of your obesity-related health problems, difficulties, and treatment attempts. The review process typically happens in under one month (usually coordinated by your bariatric surgeon).
  8. Insurance company sends approval or denial letter:
    • If approved, your surgeon’s bariatric coordinator will contact you for scheduling.
    • If denied, you can choose to appeal the denial.

Take the Easy Route – Your surgeon’s office will do most of this legwork for you. They are highly experienced in managing the process and may even have all of the required personnel on staff (e.g., registered dietitian, psychiatrist, bariatric coordinator, etc.).

Click here to find a top LAP-BAND® or gastric bypass surgeon near you to get started. Most offices will check your insurance for free to confirm coverage criteria.

For more information about weight loss surgery insurance, see our Bariatric Surgery Insurance Guide.

06Cost Without Insurance
  • Bypass: ~$556/mo (~$24,000 total)
  • Band: ~$334/mo (~$15,000 total)

The cost of surgery should not dictate which procedure you have. You should move forward with the procedure that is most likely to work for you after thorough research and a consultation with your surgeon.

Still, if you don’t have insurance that covers bariatric surgery, there will be a noticeable difference in LAP-BAND® vs gastric bypass cost:

  • Gastric bypass: Average cost is about $24,000
  • LAP-BAND®: Average cost is about $15,000

Surgeons in your area may charge as low as $15,000 for gastric bypass or $8,000 for LAP-BAND®.

Financing may also be available, depending on your credit. Payments are likely to be around the following if your procedure is financed over 5 years:

  • Gastric bypass: $556/mo
  • LAP-BAND®: $334/mo

Visit our Financing Weight Loss Surgery page for all the possible ways to finance your surgery.

Cost of Not Having Surgery vs Cost of Weight Loss Surgery

Even if you’re paying out of pocket, the cost of gastric bypass and LAP-BAND® is far less than the long-term costs of obesity-related health problems for morbidly obese people who don’t have surgery.

On average, weight loss surgery patients pay off their entire surgery and start getting ahead financially after only 2 years (8).

To illustrate: One study found that bariatric patients pay as much as $900 less per month as soon as 13 months after surgery than similar people who didn’t have surgery (9). Starting in month 13, that’s almost $11,000 saved per year in total medical costs.

Fewer prescription drugs alone have been found to save patients $3,000 or more per year (10).

07Recovery
  • LAP-BAND® vs Gastric Bypass: Same pain, diet & activity, time off work, and time to full recovery

Recovery from both gastric bypass surgery and LAP-BAND® surgery includes:

  • Timeline: 4 to 6 weeks to full recovery
    • Time Off Work: 1 to 3 weeks
  • Pain: Same as experienced after any laparoscopic surgery, managed with medication
  • Diet: Slow transition from clear liquids to solid foods
  • Activity: Slow transition back to regular activity and exercise

However, LAP-BAND® is a simpler procedure to perform and therefore requires a shorter operating time and a shorter hospital stay.

Operating Time:

  • Bypass: 4 hours
  • Band: 1 hour or less

Hospital Stay

  • Bypass: 2 to 3 days
  • Band: Outpatient (leave hospital same day)

See the following pages for more information about LAP-BAND® vs gastric sleeve recovery:

08Diet & Life After
  • LAP-BAND® vs Gastric Bypass: Similar diet and exercise regimen, feel full sooner after both
  • Gastric bypass: Requires stricter supplementation
  • LAP-BAND®: Requires ongoing band and tube adjustments

Diet: Gastric Bypass Vs Band

Your LAP-BAND® vs gastric bypass diet transition is virtually identical:

  • 2+ Weeks Before – Practice your post-surgery diet
  • 2 Weeks Before – High protein, low sugar, low carbs
  • 1 Week Before – Stop or change some medications
  • 2 Days Before – Clear liquids only
  • Midnight Before Surgery – Nothing to eat or drink
  • In Hospital to 7 Days After Surgery (Varies by Surgeon) – Sugar-free clear liquids only
  • Day 1 to Week 2 After Surgery (Varies by Surgeon) – Add thicker drinks & smooth foods
  • Day 2 to Week 3 After Surgery (Varies by Surgeon) – Slowly test pureed foods & soft solid foods
  • Day 3 to Weeks 4+ After Surgery (Varies by Surgeon) – Slowly test solid foods

Following are dietary guidelines for both gastric bypass and LAP-BAND®:

  • Test one food at a time to make sure you can tolerate it
  • Eat proteins first, in solid form (e.g., not protein shakes)
  • Eat healthy “whole” foods
  • Avoid processed foods
  • Avoid sugary foods or drinks
  • Eat slowly and chew thoroughly
  • No starchy foods like rice, bread, and pasta
  • Avoid any food that is difficult to digest (may be able to tolerate over time), such as:
    • Fibrous vegetables like broccoli, celery, and corn
    • Nuts
    • Seeds
    • Skin of any meat
    • Tough meats
  • Avoid whole milk products
  • Drink 64+ oz (2+ liters) of fluids spread throughout the day
  • No drinking 30 minutes before or after meals (other than gastric balloon)
  • Alcohol only in moderation

Diet issues unique to gastric bypass include:

  • Most gastric bypass patients (about 80%) will experience dumping syndrome when they eat the wrong foods. Conveniently, the wrong foods are the unhealthy ones, so while dumping syndrome symptoms are unpleasant, they help you keep your gastric bypass diet in check
  • Patients who undergo the bypass procedure are at especially high risk of developing Alcohol Use Disorder (AUD) (11) (12) (13)

See the following for more information:

Vitamins: Gastric Bypass Vs LAP-BAND®

Weighing the upside of extra weight loss after gastric bypass with the downside of potential vitamin deficiency is a big part of choosing the right procedure. For example, if you already have vitamin deficiency problems, that may be the deciding factor for going with the gastric band

Due to gastric bypass surgery’s higher levels of malabsorption, gastric bypass patients:

  • Are much more likely than LAP-BAND® patients to require Thiamin (Vitamin B1) supplementation
  • Must be more vigilant in confirming no vitamin or mineral deficiencies

Some of the vitamin requirements that are the same for LAP-BAND® and gastric bypass include:

  • Daily multivitamin
    • 1 to 2 per day, forever
    • Chewable or liquid versions are best (instead of tablets)
    • Take with food (except dairy) to maximize absorption
    • At least 200% of the Recommended Dietary Allowance (RDA) of iron, folic acid, thiamine, copper, selenium and zinc
  • Daily calcium supplement, in the form of calcium citrate
    • Must be calcium citrate (NOT other forms of calcium)
    • 1000-1500 mg. daily, forever
    • Chewable and liquid versions are best (instead of tablets)
    • Try to find one that includes Vitamin D
    • Take 2 hours apart from Iron supplements (or Multivitamin that contains Iron) to maximize absorption

For either procedure, you may be required to take one or more of the following depending on your vitamin levels:

  • Folate (folic acid)
  • Iron
  • Thiamin (Vitamin B1)
  • Vitamin D

Exercise: LAP-BAND® Vs Gastric Bypass

After you’ve fully recovered from surgery (4 to 6 weeks), recommended exercise is the same for both LAP-BAND® and gastric bypass patients: 2.5 hours per week, spread out over 2 to 4 days.

Following this regimen will cause you to:

  • Lose more weight
  • Be more physically and mentally healthy

Learn more on our Exercise After Weight Loss Surgery page.

Food Addiction: Gastric Bypass Vs LAP-BAND®

Food addiction could be a problem after both gastric bypass and gastric band.

Our bodies secrete certain hormones, like ghrelin mentioned above, that tell us when we’re hungry and full, but hyperpalatable food (like junk food) may be overriding those hormone signals by overstimulating our reward centers, much like our bodies and brains react to an addictive drug.

You may have a bona fide food addiction if your desire for food takes priority over other parts of your life that you acknowledge to be more important, such as personal health, family, friends, work, your appearance, or avoiding obesity related health issues like hypertension, sleep apnea, or diabetes.

If left unchecked, food addiction can lead to obesity. For weight loss surgery patients, if not addressed prior to surgery, it can also lead to weight regain.

To find out if you may be suffering from food addiction, take our Food Addiction Quiz.

Relationships After Weight Loss

Significant weight loss after any type of bariatric surgery can lead to big changes with everyone around you.

While many of those changes are positive, some can also be extremely challenging and unexpected.

See our Relationships After Weight Loss Surgery page for important changes to prepare for.

09Downsides
  • Gastric Bypass vs LAP-BAND®: Many complications/side effects are the same
  • Band patients have long-term device-related risks and must receive ongoing fills/unfills
  • Bypass patients have a higher risk of short-term complications & must deal with dumping syndrome and monitoring vitamin levels

Gastric bypass vs LAP-BAND® challenges are similar, with a few exceptions.

After each procedure:

  • Most side effects like nausea, digestive issues, and body changes go away over time or after adjusting diet/lifestyle habits.
  • Sagging skin is an issue for some patients, depending how much weight is lost, age, and whether the patient is a smoker

The following challenge is unique to gastric bypass:

  • Dumping syndrome is an issue for most patients when they eat the wrong foods. It happens as a result of food (especially sugar) moving too quickly from the stomach into the small intestines and includes symptoms like nausea, diarrhea, bloating, fainting, anxiety, and weakness. It is usually treated effectively by diet changes and/or lying down after eating.
  • More likely to develop a vitamin or mineral deficiency, so your surgeon will monitor your vitamin levels more closely and prescribe additional supplements as necessary.
  • More likely to experience dental problems due to mineral malabsorption.
  • See our Gastric Bypass Complications page for more information

The following challenges are unique to LAP-BAND®:

  • Must go back to the surgeon many times in the first year to fill or unfill the band until the proper level of restriction is achieved. As time goes on, patients must continue to visit surgeon occasionally to adjust the fill amount and to shorten the tube connecting the port and band as the patient loses weight.
  • Problems related to the band itself are possible, such as band erosion, band intolerance, band leak, or band slippage are not possible with gastric bypass because there is no gastric band used
  • Problems related to the skin port (where the surgeon inserts a needle into your abdomen to fill and unfill the band to achieve the proper level of “restriction”) are also possible, such as port flip or dislodgement, port leak, port infection, or port dislocation.
  • See our LAP-BAND® Problems & Complications page for more details.

Full LAP-BAND® Vs Gastric Bypass Downsides Comparison

Issue
Issue
Abdominal Discomfort
Abdominal Discomfort
Abdominal hernia
Abdominal hernia
Abscess
Abscess
Anemia
Anemia
Band Problems (band erosion, band infection, band intolerance, band leak, band slippage)
Band Problems (band erosion, band infection, band intolerance, band leak, band slippage)
Blood Clots
Blood Clots
Body Aches
Body Aches
Body Feeling Changes
Body Feeling Changes
Bowel Function Changes (diarrhea, constipation, foul-smelling bowel movements and flatulence, difficulty swallowing, gurgling noises)
Bowel Function Changes (diarrhea, constipation, foul-smelling bowel movements and flatulence, difficulty swallowing, gurgling noises)
Bowel Obstruction
Bowel Obstruction
Deep Vein Thrombosis
Deep Vein Thrombosis
Dehy­dration
Dehy­dration
Dental Problems
Dental Problems
Dumping Syndrome
Dumping Syndrome
Dyspepsia (Indigestion)
Dyspepsia (Indigestion)
Esophageal Dilation
Esophageal Dilation
Esophagitis
Esophagitis
Eviscera­tion & Incisional Hernia
Eviscera­tion & Incisional Hernia
Food Trapping
Food Trapping
Gallstones
Gallstones
Gastric Fistula
Gastric Fistula
Gastritis
Gastritis
Gastroeso­phageal Reflux Disease (GERD)
Gastroeso­phageal Reflux Disease (GERD)
Gastroin­testinal Leaks
Gastroin­testinal Leaks
General Anesthesia Complica­tions
General Anesthesia Complica­tions
Hair Loss
Hair Loss
Heart Attack
Heart Attack
Hemorr­hage (Bleeding)
Hemorr­hage (Bleeding)
Hiatal Hernia
Hiatal Hernia
Hypogly­cemia
Hypogly­cemia
Infection
Infection
Intole­rance to Certain Foods
Intole­rance to Certain Foods
Kidney Stones
Kidney Stones
Marginal Ulcers
Marginal Ulcers
Nausea, Vomiting and/or Stomach Cramps
Nausea, Vomiting and/or Stomach Cramps
Organ Injury During Surgery
Organ Injury During Surgery
Peritonitis
Peritonitis
Pneumonia
Pneumonia
Port Problems (port flip/ inver­sion or dislodge­ment, port leak, port infec­tion, port disloca­tion)
Port Problems (port flip/ inver­sion or dislodge­ment, port leak, port infec­tion, port disloca­tion)
Pouch Dila­tion
Pouch Dila­tion
Pulmonary Embolism
Pulmonary Embolism
Respira­tory Failure
Respira­tory Failure
Skin Changes (e.g. acne, dry skin, sagging skin, etc.)
Skin Changes (e.g. acne, dry skin, sagging skin, etc.)
Stenosis/­Stricture
Stenosis/­Stricture
Stoma Obstruc­tion
Stoma Obstruc­tion
Stroke
Stroke
Thrombo­phlebitis
Thrombo­phlebitis
Thrush (Yeast Infec­tion)
Thrush (Yeast Infec­tion)
Vitamin & Mineral Deficiency / Malnutri­tion / Malabsorp­tion
Vitamin & Mineral Deficiency / Malnutri­tion / Malabsorp­tion
Weight Regain
Weight Regain
Wound Reopen­ing
Wound Reopen­ing
Wound Sepsis
Wound Sepsis
Issue
Bypass
Abdominal Discomfort
Abdominal hernia
Yes
Abscess
Yes
Anemia
Yes
Band Problems (band erosion, band infection, band intolerance, band leak, band slippage)
Blood Clots
Yes
Body Aches
Yes
Body Feeling Changes
Yes
Bowel Function Changes (diarrhea, constipation, foul-smelling bowel movements and flatulence, difficulty swallowing, gurgling noises)
Yes
Bowel Obstruction
About 3% of patients
Deep Vein Thrombosis
Yes
Dehy­dration
Yes
Dental Problems
Yes
Dumping Syndrome
About 70% of patients
Dyspepsia (Indigestion)
Yes
Esophageal Dilation
Yes
Esophagitis
Yes
Eviscera­tion & Incisional Hernia
Yes
Food Trapping
Up to 2% of patients
Gallstones
Up to 1/3 of bariatric patients
Gastric Fistula
Yes
Gastritis
Yes
Gastroeso­phageal Reflux Disease (GERD)
Yes
Gastroin­testinal Leaks
About 2% of patients
General Anesthesia Complica­tions
Yes
Hair Loss
Yes
Heart Attack
Yes
Hemorr­hage (Bleeding)
About 2% of patients
Hiatal Hernia
Yes
Hypogly­cemia
Yes
Infection
About 3% of patients
Intole­rance to Certain Foods
Yes
Kidney Stones
Yes
Marginal Ulcers
Yes
Nausea, Vomiting and/or Stomach Cramps
Up to 70% of patients
Organ Injury During Surgery
Yes
Peritonitis
Yes
Pneumonia
Yes
Port Problems (port flip/ inver­sion or dislodge­ment, port leak, port infec­tion, port disloca­tion)
Pouch Dila­tion
Pulmonary Embolism
Yes
Respira­tory Failure
Yes
Skin Changes (e.g. acne, dry skin, sagging skin, etc.)
Yes
Stenosis/­Stricture
About 5% of patients
Stoma Obstruc­tion
Stroke
Yes
Thrombo­phlebitis
Yes
Thrush (Yeast Infec­tion)
Yes
Vitamin & Mineral Deficiency / Malnutri­tion / Malabsorp­tion
Yes
Weight Regain
Yes
Wound Reopen­ing
Yes
Wound Sepsis
Yes
Issue
Band
Abdominal Discomfort
Abdominal hernia
Yes
Abscess
Yes
Anemia
Band Problems (band erosion, band infection, band intolerance, band leak, band slippage)
Up to 18% of patients
Blood Clots
Yes
Body Aches
Yes
Body Feeling Changes
Yes
Bowel Function Changes (diarrhea, constipation, foul-smelling bowel movements and flatulence, difficulty swallowing, gurgling noises)
Yes
Bowel Obstruction
Yes
Deep Vein Thrombosis
Yes
Dehy­dration
Yes
Dental Problems
Dumping Syndrome
Dyspepsia (Indigestion)
Yes
Esophageal Dilation
About 14% of patients
Esophagitis
Yes
Eviscera­tion & Incisional Hernia
Yes
Food Trapping
Gallstones
Up to 1/3 of bariatric patients
Gastric Fistula
Yes
Gastritis
Yes
Gastroeso­phageal Reflux Disease (GERD)
Yes
Gastroin­testinal Leaks
General Anesthesia Complica­tions
Yes
Hair Loss
Yes
Heart Attack
Yes
Hemorr­hage (Bleeding)
Yes
Hiatal Hernia
Yes
Hypogly­cemia
Infection
Yes
Intole­rance to Certain Foods
Yes
Kidney Stones
Marginal Ulcers
Nausea, Vomiting and/or Stomach Cramps
Yes
Organ Injury During Surgery
Yes
Peritonitis
Pneumonia
Yes
Port Problems (port flip/ inver­sion or dislodge­ment, port leak, port infec­tion, port disloca­tion)
About 21% of patients
Pouch Dila­tion
Up to 17% of patients
Pulmonary Embolism
Yes
Respira­tory Failure
Yes
Skin Changes (e.g. acne, dry skin, sagging skin, etc.)
Yes
Stenosis/­Stricture
Stoma Obstruc­tion
Yes
Stroke
Yes
Thrombo­phlebitis
Yes
Thrush (Yeast Infec­tion)
Yes
Vitamin & Mineral Deficiency / Malnutri­tion / Malabsorp­tion
Yes
Weight Regain
Yes
Wound Reopen­ing
Yes
Wound Sepsis
Yes

For definitions of any issue in the chart, see our Bariatric Surgery Complications page.

10Summary
  • LAP-BAND® vs Gastric Bypass: Winner & Loser by Category
  • Overall Winner: Depends on your situation

Your individual situation will determine whether LAP-BAND® or gastric bypass surgery is best for you. Following is a review of which procedure is “better” in each category discussed on this page.

  • Most Popular Procedure: Gastric Bypass
  • Most Short-Term Weight Loss: Gastric Bypass
  • Most Long-Term Weight Loss: Gastric Bypass
  • Best Health Improvement Gastric Bypass
  • Easiest to Qualify: Tie
  • Low-Cost Procedure (With Insurance): Tie
  • Low-Cost Procedure (Without Insurance): LAP-BAND®
  • Best Post-Op Diet: LAP-BAND®
  • Fewest Risks & Side Effects: Tie

Discuss each of the pros and cons with your surgeon before making a final decision. Click here to find a top surgeon.

11Help & Support
  • Patient Experiences
  • Ask the Expert

If you still have questions about gastric bypass vs LAP-BAND®, our experts are happy to answer them. We (and other patients) would also love to hear about your experiences.

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12Find a Top Gastric Bypass or LAP-BAND® Surgeon
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* Disclaimer: The information contained in this website is provided for general information purposes and your specific results may vary depending on a variety of circumstances. It is not intended as nor should be relied upon as medical advice. Rather, it is designed to support, not replace, the relationship that exists between a patient/site visitor and his/her existing physician(s). Before you use any of the information provided in the site, you should seek the advice of a qualified medical, dietary, fitness or other appropriate professional. Read More