• Gastric bypass
  • Sleeve gastrectomy or longitudinal gastrectomy

  • certain symptoms must result in urgent consultation with the surgeon of the multidisciplinary team
  • symptoms appearing early: tachycardia, dyspnoea, abdominal pain, confusion or hyperthermia, even if there is no abdominal pain or tenderness
  • symptoms that may appear late: abdominal pain, vomiting, dysphagia, incapacitating gastro-oesophageal reflux.

  • these can lead to serious neurological conditions
  • following metabolic surgery, some nutritional supplementation is recommended for all patients (multivitamins, calcium, vitamin D, iron and vitamin B12 are most common)
  • following restrictive surgery, it may be discussed if the results of the clinical and biological assessment warrant it.

  • bariatric surgery can improve or control certain comorbidities, sometimes only a few days or weeks after the operation (diabetes in particular). These comorbidities must be reassessed early and their treatment adapted
  • metabolic surgery can lead to changes in the metabolism of various medicines (antivitamin K, thyroid hormones, antiepileptic drugs, etc.), the dosage of which may require modification in the early post-operative period
  • gastrotoxic medicines (aspirin, non-steroidal anti-inflammatory drugs, corticosteroids, etc.) must be avoided as far as possible.

  • follow up diet and physical activity programmes commenced in the preoperative phase by checking, in particular, that they are adapting well to their new eating habits.

  • follow-up recommended for patients who presented with eating disorders or other psychiatric pathologies before the operation.
  • follow-up proposed on a case-by-case basis for other patients.
  • weight loss can lead to psychological changes that may not be easy to manage. A period of adaptation to the change is often necessary, both for the patient and for their family, friends and colleagues.

  • This is possible 12 to 18 months after obesity surgery, when weight loss has stabilised and in the absence of malnutrition.