Fig. 1
Gastric sleeve
Home the same day, for most
Preparing for Gastric Sleeve Surgery
Your step-by-step guide to getting ready, from the day you book to the morning of surgery. Tick off each step as you go, and add your surgery date to see when each one is due.
This page is general information, not medical advice. Always follow the instructions your care team gives you.
Your countdownSurgery prep checklist
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Three steps to your surgery date
The journey to surgery is simple. Here is how you get from a first question to a date in the calendar.
- 01
See if you qualify
Most people we see have a BMI of 30 or higher. A quick check gives you a first answer in under a minute.
Check if you qualify - 02
Book a free consultation
In person in North York or online. Your surgeon looks at your health and goals and suggests the plan that fits. There is no obligation.
- 03
Choose your surgery date
When you and your surgeon agree that a sleeve is right for you, your coordinator books your date. A $2,000 non-refundable deposit holds it and goes toward your total price.
Price and financing
Your week-by-week checklist
Seven moments, from the day you book to the morning of surgery. Tick each step as you go. Your team may add steps of their own: theirs come first.
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01 · 4 or more weeks before After you book 0 of 8
Paperwork, tests and two online appointments.
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02 · 14 days before Two weeks before 0 of 5
Your pre-op diet starts, and you get your home ready.
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03 · 10 days before Ten days before 0 of 2
One change to your medicine cabinet.
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04 · 7 days before One week before 0 of 4
Supplements off, skin ready, and your arrival time.
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06 · The evening before The night before 0 of 4
A shower, a light bag and an early stop to eating.
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07 · The day of surgery Surgery morning 0 of 5
Keep it simple and arrive on time.
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Your pre-op diet, and why it matters
About two weeks before surgery, you start a diet set by your dietitian. It shrinks the liver, which sits right over the stomach, so your surgery is easier and safer.
- WhyA large, fatty liver makes surgery harder and raises the risk of complications. A short, strict diet can shrink it in a couple of weeks.
- WhatLow in calories, sugar and starch, with enough protein. For many people, especially with a higher BMI, it is a liquid meal replacement for one to two weeks.
- IncludedIf you need a liquid meal replacement before surgery, a two-week supply is included in your price.
A typical day on a meal replacement
- Usually 4 packets a day, each blended with about 1¼ cups (300 mL) of cold water
- At least 8 cups (2 litres) of fluid a day in total, including the shakes
- Other drinks: water, decaf coffee or tea without milk or sugar, and sugar-free, non-carbonated drink mixes
- Up to 2 cups a day of these vegetables only: lettuce, spinach, cabbage, cucumber, celery, broccoli, cauliflower and green peppers
- No other solid food while you are on a meal replacement
- The day before surgery: only 2 packets, the last one before 7 pm
Constipation is common on a liquid diet. Drink more and ask your dietitian about a sugar-free fibre supplement.
If you are not on a meal replacement
Your dietitian gives you a low-calorie, high-protein plan for the two weeks. About two days before surgery, you may be asked to switch to clear fluids only: water, broth, black tea or coffee without milk or sugar, and sugar-free gelatin or popsicles. No milk, cream or pulpy juices.
Your recovery shopping list
Have these ready at home before surgery, for the days and weeks that follow. Tick them off as you shop.
Kitchen
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Care
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For the first weeks
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About medicines: check every medicine with your care team. Do not take ibuprofen or other anti-inflammatories after surgery unless your surgeon says so.
What to pack for surgery day
Most patients go home the same day, so pack light: one small bag with what you need for a few hours and the ride home.
Must bring
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For comfort
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Personal care
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Leave at home
- Jewellery and piercings
- Valuables
- Contact lenses, if you can
- Makeup, perfume and lotion
What happens on surgery day
Five steps, most of them spent resting. Your team walks you through each one, and you can ask questions at any point.
- Step 1
Arrive
Come to Clinic 360, 1131A Leslie St #300, Toronto, ON M3C 3L8, at the time we give you. Parking is on the south side of the building, in the spots for unit 300.
- Step 2
Get ready
You meet your nurses, your surgeon and your anesthesiologist, who answer your last questions. You change into a gown and a nurse starts an IV.
- Step 3
Surgery
Two bariatric surgeons operate together, through about five small incisions, while you are under general anesthesia. It usually takes about 1 to 1.5 hours.
- Step 4
Recovery
You wake up in the recovery area with a nurse beside you. You start with ice chips and small sips, and you are up and walking within a few hours.
- Step 5
Home
Most patients go home the same day, after several hours of recovery, once they are ready. Your nurse calls you the next day.
Questions about getting ready
Short answers to what people ask most before surgery. Your care team gives you instructions for your own situation.
Still wondering? , or ask the assistant in the corner.
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01How long before surgery do I start the pre-op diet?
Usually two weeks before. Your dietitian tells you exactly when to start and what to eat or drink.
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02Do I have to use a meal replacement?
Not everyone does. Many people, especially with a higher BMI, follow a liquid meal replacement for one to two weeks to shrink the liver. Your surgeon and dietitian tell you if you need it, and a two-week supply is included in your price.
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03Can I keep taking my usual medicines?
Most of them, but some need to change. Stop anti-inflammatories such as ibuprofen 10 days before and herbal or natural supplements 1 week before. Ask your team about diabetes medicines, insulin and blood thinners, and never stop a prescribed medicine on your own.
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04When do I stop eating and drinking?
Nothing to eat after midnight before your surgery. Your team tells you whether you may sip clear fluids that morning, and until what time. Following these instructions keeps you safe under anesthesia.
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05Do I need someone with me?
Yes. An adult you know must take you home and stay with you for the first 48 hours. You cannot leave the clinic alone in a taxi or rideshare.
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06What if I get sick before my surgery?
Call us if you get a cold, a fever, a cough or any new health problem in the days before surgery. Your surgery may need to move to a safer date.
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07Can I change my surgery date?
You can reschedule once without a fee if you give us at least three weeks of notice. Our booking and cancellation policy has the details.
The rest of your guide
This page is general information, not medical advice. Always follow the instructions your care team gives you.
- Part 2 of 3What to eatThe pre-op diet, five stages after surgery, protein, fluids and vitamins.
- Part 3 of 3RecoveryThe first days and weeks, exercise, when to call and your follow-ups.
- Aftercare360 Complete CareSix years of follow-ups with your surgeon, nurse and dietitian.
- PricePrice and financingOne all-in price with taxes, and monthly payments.
Your first step is a conversation
A free consultation, in person in North York or online. Meet the team, ask anything and leave with a clear plan and price.
(416) 360-7360 sleeve@clinic360.com 1131A Leslie St #300, Toronto, ON M3C 3L8