The fear of surgery is completely valid, and it's a frequent concern in my office. In fact, I would be more worried about a patient who had no fear at all, because that would suggest they aren't taking the decision seriously.
What I'm about to tell you is what I tell my patients: with data, with honesty, and without minimizing or exaggerating.
What are the real risks?
Like any major surgery, bariatric procedures carry risks. Possible complications include infections, bleeding, staple line leaks, thrombosis, and problems related to general anesthesia. No serious surgeon will tell you the risk is zero, and anyone who does should raise a red flag.
What the medical evidence can tell you is that the mortality rate associated with bariatric surgery at specialized centers is less than 0.1%. In surgical groups with extensive experience, that figure can be as low as 0.03%. To put it in context: it's comparable to the risk of a cholecystectomy -- that is, a gallbladder removal performed routinely every day.
The question that changes the perspective
It's not just "what is the risk of having surgery?" but "what is the risk of NOT having surgery?" Untreated severe obesity significantly increases the risk of heart attack, uncontrolled diabetes, cancer, kidney failure, and premature death. Sometimes the safest option is the surgical one.
How are the risks minimized?
The preoperative process exists precisely for that purpose. Before taking a patient to the operating room, I perform a comprehensive evaluation that includes laboratory tests, chest X-ray, electrocardiogram, anesthesia assessment, and in many cases additional studies based on each person's profile. If there are factors that increase risk, we address them before surgery, not during.
Additionally, the surgeon's specialized training is decisive. Bariatric surgery requires specialized training and a significant learning curve. The best outcomes and lowest complication rates occur with surgeons who perform these procedures regularly and within a structured follow-up program.
What happens after surgery?
Postoperative follow-up is not optional; it's part of the treatment. The first visits are at two weeks, six weeks, and then every three months during the first year. We monitor weight, vitamin and mineral levels, and overall adaptation to the new diet. After the first year, annual check-ups are sufficient in most cases.
How long will I be in the hospital?
The typical hospital stay is one to two days for both gastric sleeve and gastric bypass. Most patients return to work within one to two weeks after discharge and resume normal activity within three to five weeks.
Do I have to take supplements for life?
Yes. Vitamin D, calcium, iron, and a bariatric multivitamin are part of the permanent protocol. This is not a complication; it's an expected consequence of the change in nutrient absorption, and it's managed without difficulty under medical supervision.
Can the surgery be reversed?
In very specific cases and with a precise medical indication, some procedures can be reversed. However, this carries greater risk than the original surgery and is considered only in exceptional situations. It's something that is evaluated on a case-by-case basis.
Bariatric surgery is safe when performed in the right context: rigorous evaluation, experienced surgeon, multidisciplinary team, and long-term follow-up. That is exactly how I work with each and every one of my patients.