Before surgery
How to choose a bariatric surgeon and centre
Professional credentials, experience with the proposed operation, responsiveness and aftercare matter more than promotional labels.
Educational adaptation of an article from the previous website • Content updated: 27 September 2026
Check qualifications and experience
Verify medical licensing, relevant training and hospital privileges through official channels. Ask about experience with the proposed operation and managing its complications. Procedure count alone does not prove quality; hospital facilities, anaesthesia staff and access to complication treatment also matter.

Sleeve gastrectomy concept
AI-created conceptual artwork; not a patient result or an exact surgical diagram.
Explore the educational diagram and sources
Educational illustration

Sleeve gastrectomy changes the stomach into a narrow tube; this is a procedure schematic.
An educational schematic, not a patient result or a personalized treatment plan. Original labels may be in another language.
Open larger image ↗Source & licence
Kwipédl Cyop
Sleeve gastrectomy diagram (according IFSO and French HAS).svg · CC BY-SA 4.0
Simplified educational image; not to scale.
Are the options explained clearly?
A good consultation covers the reason for recommending a procedure, other surgical or nonsurgical options, risks and expected outcomes. Ask how your associated conditions affect the choice. Allow enough time for questions and decisions; promises of guaranteed or risk-free weight loss are not reliable criteria.
What can photos and patient experiences tell you?
Patient experiences may inform you about communication and the care process, but another person's result does not guarantee yours. Before-and-after photos alone do not show complication rates or care quality. If statistics are presented, ask about follow-up duration, the definition of success and the number of patients assessed.
Explore the educational diagram and sources
Educational illustration

Roux-en-Y gastric bypass: a small stomach pouch connects to a rerouted segment of small intestine.
An educational schematic, not a patient result or a personalized treatment plan. Original labels may be in another language.
Open larger image ↗Source & licence
Blausen.com staff (2014), Medical gallery of Blausen Medical 2014, WikiJournal of Medicine 1(2), doi:10.15347/wjm/2014.010
Blausen 0776 Roux-En-Y 01.png · CC BY 3.0
Simplified educational image; not to scale.
Follow-up after discharge
Clarify who will respond to nutrition issues, medicines or new symptoms, including outside working hours. Check access to a dietitian, regular tests and long-term support. If travelling for surgery, arrange follow-up after returning home and identify emergency services in advance.
Costs and informed consent
Ask clearly and separately about surgeon, hospital, equipment, visit and possible additional service costs. Obtain documented insurance and payment terms. Before signing consent, understand important risks, possible further treatment and aftercare responsibilities. An informed choice depends on treatment fitting your circumstances.
This article provides general information. Treatment and nutrition plans must fit your procedure, associated conditions and individual circumstances.
Sources and article history
Adapted and rewritten from an older article. Absolute claims, outdated prices and advice needing correction have not been republished unchanged.