Still Have Questions About Weight Loss Surgery? Here’s What You Asked (Part 2)

12 September 2025
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Following the incredible response to our first blog covering Dr Siva Gounder’s live segment on 6PR, we’re back with more of the questions you asked and the straight answers you received.

From eligibility and surgery types to the impact of Ozempic and out-of-pocket costs, it’s clear there’s still a lot of confusion around weight loss surgery. In this follow-up blog, we unpack even more valuable insights shared by Dr Gounder, one of Perth’s leading bariatric surgeons, as he answered listener questions live on air.

 

Which surgeries are most common, and how are they different?

There are around 10 to 15 types of weight loss surgery, explained Dr Gounder, but the most common and effective options right now are the laparoscopic sleeve gastrectomy and the gastric bypass.

  • Sleeve Gastrectomy: Reduces stomach size by removing a portion of it through keyhole surgery. Most commonly performed procedure today.
  • Gastric Bypass: One of the oldest weight loss surgeries, still widely used and very effective for appropriate patients.

The right procedure depends on your body, your health conditions, and your goals. It’s not one-size-fits-all,” Dr Gounder noted.

 

What age groups can have surgery?

Listener Linda asked if age impacts eligibility.

We typically operate on adults aged 18 to 70, said Dr Gounder. But it’s not just about age; we also weigh up other medical conditions. A healthy 68-year-old with obesity and Type 2 diabetes may benefit far more from surgery than someone younger with multiple health risks.

 

Does weight always come back?

Caller Kate raised a tough but honest question – why does weight sometimes return, even after surgery?

Dr Gounder explained, Surgery is incredibly effective, but not bulletproof. Around 80% of people respond very well, while a small group may need additional help. Some people simply drift away from their new habits – life happens. But we’re here to help keep you accountable and support you long-term.

 

What are the risks of weight loss surgery?

Jerry called in with a critical question: Are there risks?

Yes, there are always risks with any surgery, said Dr Gounder. But with modern techniques, major complications are under 1%, and we manage those well. The bigger risks are long-term nutritional deficiencies, but we monitor and support you through it all.

He added, That’s why we don’t just operate and send you off. We follow up for years to come – with dietitians, psychologists, and exercise physiologists all working together.

 

What about Ozempic – has it replaced surgery?

Not exactly, said Dr Gounder in response to Ivan’s question. Ozempic has reduced the number of people needing surgery in some cases, but it’s also raised awareness. Some patients use it before or after surgery as an extra tool. But the issue is, once you stop Ozempic, many people regain the weight. Surgery tends to provide more durable, long-term outcomes.

 

So… how much does it cost?

If you’re privately insured (on the right tier), expect an out-of-pocket cost of $4,500 to $5,000. This includes hospital, anaesthetic, and a full year of follow-up.

Without insurance, the total cost is $20,000 to $22,000, but many people access their superannuation to cover this.

And public hospital access? Very limited, said Dr Gounder. Less than 1% of bariatric surgeries in Australia happen in the public system, and the wait times are long.

 

Next Steps

Whether you’re just exploring your options or ready to take action, Perth Weight Loss and Surgery is here to help. We’re more than a surgical clinic; we’re a multidisciplinary team dedicated to long-term health, mindset, and success.

Missed the radio segment? Listen to it now!
Ready to talk to someone? Call 6155 8822 or contact us online

Join our Facebook Community Group exclusively for current and past patients. A place to share tips, encouragement, and support.

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