Timing Is Everything: What You Should Know About Weight Loss Before Hip Replacement Surgery

New studies, including one from the Journal of Arthroplasty, reveal that the timing of weight loss before a total hip replacement can significantly influence your recovery and risk of complications. Here’s what you need to know.

The Hidden Risk of Losing Weight Too Close to Surgery

Many doctors recommend weight loss before surgery because a high body mass index (BMI) has been linked to complications like infections or poor wound healing. That’s still true—but a 2024 study found that losing weight in the 3 to 9 months before surgery might actually increase your risk of complications. Those who lost weight at least a year ahead of time had fewer infections and better outcomes.

When you’re ready, you can browse our vein treatments with our team.

Why Does Timing Matter So Much?

Rapid or recent weight loss might weaken the immune system or impact how well you heal. Weight loss over a longer period allows your body to stabilize and better prepare for surgery.

Is Delaying Surgery for Weight Loss Always Worth It?

Another study looked at patients with a BMI over 40 and found no clear benefit from losing more than 5% of their body weight before surgery. Delaying surgery to lose weight could mean more time living in pain and limited mobility without real surgical benefit.

So, What Should You Do?

• Start early, ideally a year or more before surgery if possible.
• Aim for slow, steady weight loss to give your body time to adjust.
• Don’t rush to drop pounds right before surgery.
• Talk to your surgeon about what makes the most sense for your situation.

References

Shul C, Hameed D, Oster B, et al. (2024). The Impact of Preoperative Weight Loss Timing on Surgical Outcomes in Total Hip Arthroplasty. J Arthroplasty, 39(6), 1424-1431.
LaValva SM, Grubel J, Ong J, et al. (2024). Is Preoperative Weight Reduction in Patients With BMI ≥ 40 Associated With Lower Complication Rates After THA? J Arthroplasty, 39(9S1), S73-S79.