Sleeve Gastrectomy Surgery:The Complete Guide to Gastric Sleeve Surgery
Understanding Sleeve Gastrectomy - The World's Most Popular Weight Loss Surgery
Dr. Michael Crawford, performing bariatric surgery at The Mater Hospital in Sydney, introduces this comprehensive guide: “These three operations represent the three most commonly performed operations in my practice and around the world. The sleeve gastrectomy is the most popular of these.”
This popularity reflects the procedure’s excellent balance of safety, effectiveness, and quality of life improvements for patients seeking lasting weight loss solutions.
Making an Informed Decision About Surgery
Understanding Your Options
Dr. Crawford emphasizes the importance of education: “Each operation has its own strong points and weak points, and it’s important to understand them and understand how they might affect you before you can make an informed decision about the best operation for you.”
The three main procedures performed in Sydney include:
- Sleeve Gastrectomy – Most popular worldwide
- Mini Gastric Bypass – “The next most common procedure performed in my practice”
- Roux-en-Y Gastric Bypass – “I rarely use the Roux-en-Y gastric bypass as a primary procedure, but I often go to it for a revisional operation”
Why Sleeve Gastrectomy Leads
Dr. Crawford explains the procedure’s popularity: “The sleeve gastrectomy is the most popular operation probably because it’s a fairly simple concept we can get our heads round. It’s relatively low risk, the lowest risk of all of the operations that I regularly perform, and it leads to good weight loss.”
The Surgical Procedure Step by Step
1
Initial Preparation
Dr. Crawford describes the beginning: “In the first step, we take the fat off the outer edge of the stomach. There’s really just space behind and we work our way up towards the diaphragm.”
During this phase:
- Fat tissue is carefully removed
- Clear visualization is achieved
- The spleen is protected (visible nearby)
- Surgical field is prepared
2
Checking for Hiatus Hernia
An important safety step occurs: “As we get to the top of the diaphragm, we need to make sure that there’s no hiatus hernia.”
Dr. Crawford explains: “A hiatus hernia is a weakness in the diaphragm muscle that would allow the stomach to be sucked up into the chest. And this gives bad reflux.”
If found: “If we discover that during this operation we go ahead and repair it and then carry on with the operation.”
3
The Stapling Process
Once preparation is complete: “Once we’ve removed all of the fat from the outer edge of the stomach, we can begin stapling.”
Dr. Crawford describes the technology: “Our staplers are very clever devices that fire three rows of staples either side of a knife.”
The process includes:
- The anesthetist is passing a tube down through the mouth that we’re helping to position into the part of stomach that we’re going to leave behind
- The aim of this procedure is to create a long uniform tube-like stomach
- That tube inside helps to guide us into making the tube the right diameter
4
Critical Sizing Decisions
Dr. Crawford explains the balance: “Too loose, people won’t lose enough weight. Too tight people can get complications or may not be able to eat comfortably.”
5
Unique Reinforcement Technique
Dr. Crawford uses a special approach: “Here we are sewing the fat that we’ve removed back onto the staple line in a few strategic places and I do that to help stop the stomach from twisting and because fat’s very good to assist with healing.”
6
Removing the Stomach Portion
The removed stomach is handled carefully: “We pop the stomach piece that we are removing in a plastic bag so that we can pull it out through one of the five small cuts in the abdomen.”
Dr. Crawford explains the safety measure: “By having it in the plastic bag, even if I tear it and I usually do, the contents of the stomach will just fall into the plastic bag rather than contaminate the insides and give people an infection.”
How Sleeve Gastrectomy Promotes Weight Loss
Primary Mechanism - Pressure and Appetite Control
Dr. Crawford explains: “The way the surgery works to help you lose weight is predominantly through [the valve] at the bottom part of the stomach called the pylorus that’s normally shut.”
This creates: “A subtle buildup of pressure along the tube, which is detected by some nerves at the top part of the tube. These send signals back to the brain to turn off our appetite and hunger.”
Hormonal Changes - The Ghrelin Effect
Dr. Crawford describes the second mechanism: “The stomach’s also responsible for the production of a hormone called ghrelin and we remove a lot of the stomach. Ghrelin is the hunger hormone. By removing part of the stomach, we reduce the amount of hunger hormone available to the body to make you hungry.”
Physical Restriction
The practical limitation: “The second way the surgery helps people lose weight is that when they eat a meal, they can’t fit very much. A typical meal would be about the size of a styrofoam coffee cup full of food.”
Hospital Stay and Recovery
Hospital Timeline
With a BMI between 35-39.9, you qualify if you have obesity-related health conditions. This recognizes that:
Dr. Crawford sets expectations: "It's usually a two night stay in hospital after the procedure, planning on taking a week or two off work."
Return to Normal Eating
The dietary progression takes time: “It does take about six weeks to get back to eating chewable solid food.”
Understanding Potential Complications
The Leak Risk
Dr. Crawford provides transparent information: “There’s a complication called a leak, which is a rare complication that occurs just over 1% of the time. A leak is a breakdown in the staple line leading to a small hole that occurs typically one to six weeks after surgery.”
Symptoms to watch for: “Most people with a leak will present with symptoms reminiscent of an infection such as sweats and fevers and feeling unwell.”
Diagnosis and treatment: “It would be diagnosed on a CT scan. We would be looking for this collection of junk just outside the stomach where the infection lies.”
Managing a Leak
If a leak occurs: “That person would need to come back to hospital and have intravenous antibiotics and typically an endoscopy would be used to help resolve the problem.”
The endoscopic treatment: “At endoscopy, which is a fiber optic tube passed down through the mouth into the stomach, we would look for the little hole which was leaking. We would then paradoxically open that up a little and pass some plastic straws inside we call those stents.”
Dr. Crawford reassures: “While this is a frightening and scary occasion, in the most part it’s managed in a relatively straightforward fashion.”
However, he notes: “About 15% of the time, however, it can be much more difficult to treat than I’ve just described, and patients may need to stay in hospital for longer, have repeated procedures or even surgery to help make things right.”
Reflux After Surgery
Dr. Crawford addresses acid reflux: “The other problem we sometimes see with the sleeve is that about a third of patients will have troublesome reflux, meaning that they have acid burning in their esophagus.”
He explains the mechanism: “Most of the acid is produced in the middle and lower parts of the stomach, and the design of the sleeve is to create pressure to push that upwards.”
Management options: “Mostly that’s controllable with tablets such as Nexium or Somac, but sometimes patients will need to have a further operation. That happens in about one in 50 occasions.”
Revision surgery: “That further operation would typically be a conversion to a bypass operation. That’s a relatively straightforward operation to do, but it does mean more surgery and therefore more risk.”
The Risk of Weight Regain
Expected Weight Loss
Dr. Crawford warns: “If people eat beyond that, they’ll get pain, but we don’t want them to do that because every time there’s pain there’ll be stretching. And if you stretch the tube over and over again, eventually it will dilate, meaning that more food will go in, the pressure will drop, and hunger will come back.”
Weight Regain Statistics
Dr. Crawford shares important data: “Around about one in five people, unfortunately, after losing some weight, will put on enough weight again that they start seeking assistance with their weight regain.”
Irreversibility of the Procedure
Dr. Crawford clarifies: “We do consider the sleeve to be an irreversible operation because we can’t put the stomach that we removed back inside the abdomen obviously.”
This permanent nature means:
- Careful decision-making is essential
- Commitment to lifestyle changes required
- No returning to original anatomy
- Revision options exist if needed
Life After Sleeve Gastrectomy in Sydney
Expected Weight Loss
Typical results include:
60-70% excess weight loss
Most loss in first 12-18 months
Long-term weight maintenance
Individual results vary
Quality of Life Improvements
Sydney patients report:
Increased energy and mobility
Better management of health conditions
Improved self-confidence
Enhanced social activities
Better work performance
Why Choose Dr. Crawford for Your Sleeve Gastrectomy
Experience and Expertise
Dr. Crawford’s approach demonstrates:
- Years of surgical experience
- Careful surgical technique
- Special reinforcement methods
- Comprehensive patient care
- Focus on long-term success
Convenient Sydney Locations
Consultations available at:
- Wollstonecraft near The Mater Hospital
- Newtown at RPA Medical Centre
Making Your Decision
Is Sleeve Right for You?
Consider sleeve gastrectomy if you:
Have BMI over 35 with health conditions
Want the lowest risk procedure
Prefer avoiding malabsorption
Can manage potential reflux
Accept irreversibility
Next Steps
Dr. Crawford invites interested patients: “There’s more information on my website. I look forward to seeing you soon.”
To proceed:
- Review educational materials
- Schedule consultation
- Discuss your specific situation
- Make an informed decision
- Prepare for surgery if appropriate
The Bottom Line
Sleeve gastrectomy has earned its position as the world’s most popular weight loss surgery through its combination of safety, effectiveness, and simplicity. Dr. Crawford’s detailed explanation of the procedure, from initial fat removal to final stomach removal, demonstrates the precision and care involved in this life-changing surgery.
While complications like leaks (1%) and reflux (30%) can occur, most are manageable with proper treatment. The key to long-term success is avoiding stomach stretching and following post-surgery guidelines to prevent the 20% weight regain risk.
For Sydney residents seeking the safest bariatric surgery option with excellent weight loss results, sleeve gastrectomy offers a proven solution performed by an experienced surgeon committed to your long-term success.
Ready to learn more about sleeve gastrectomy surgery? Contact Dr. Crawford’s team at 02 9565 4854 to schedule your consultation and take the first step toward lasting weight loss.
Note: This information is based on Dr. Crawford’s surgical video and is for educational purposes. Individual surgical outcomes vary. Personal consultation with Dr. Crawford is essential to determine if sleeve gastrectomy is appropriate for your situation.
An experienced Laparoscopic & Bariatric Surgeon helping patients lose weight through keyhole surgery since 2005.
Bariatric Surgical Procedures
Useful Resources
Connect
314/100 Carillon Ave, Newtown, Sydney Australia
Suite 1.17, Mater Clinic, 25 Rocklands Rd, Wollstonecraft