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Common Complications

As with any medical device, there are risks involved with breast implants. Common complications associated with breast implants include reoperation, capsular contracture, implant removal, and rupture.

Following your breast surgery, it’s important that you have regular follow up exams and follow your doctor’s instructions to monitor your breast implants. If you notice any changes to your breast implants or experience any unusual signs or symptoms of health issues, contact your health care provider promptly to schedule an appointment.

Reoperation

It is likely that you will need reoperation sometime in your life after your initial breast surgery either to correct a problem or replace or remove your breast implant. Problems such as rupture, capsular contracture, asymmetry, hypertrophic scarring (irregular, raised scar), infection and shifting can require additional surgery.

Capsular Contracture

After your breast implant surgery, your breasts will begin to heal and adapt to the presence of the breast implants. A regular part of this process is that the breast tissue typically forms an internal scar immediately surrounding the implant. In many cases, this tissue forms a capsule that helps hold the implant in place. However, in some women, the scar tissue around the implant tightens and squeezes the implant. When scar tissue squeezes an implant, it is called capsular contracture. There are four grades of capsular contracture - Baker Grades I through IV, and surgical treatment is typically recommended for Grades III and IV.

Capsular contracture causes the breast to feel abnormally firm and can cause pain. The chances of having contracture typically increase the longer you have your implants. Capsular contracture is a risk factor for implant rupture, and it is one of the most common reasons for reoperation.

The estimated risk (using the Kaplan-Meier estimation method) of augmentation patients* experiencing Baker Grade III/IV capsular contracture based on our 10-year studies are:

  • 12% through 10 years for MENTOR® MemoryGel® Breast Implants*1

  • 3.6% through 10 years for MENTOR® CPGTM Breast Implants2

Please note these are standalone studies, not comparative.

*Data from the primary augmentation cohort of our 10-year studies.

Implant Removal

You and your doctor may decide to remove an implant because of a complication or to improve the cosmetic result. It’s important for you to know that breast implants aren’t expected to last a lifetime, and the longer you have your breast implants, the more likely it will be for you to have them removed, with or without replacement, for any reason.

Rupture

Breast implants are considered to have ruptured when the implant shell develops a tear or hole. Your breast implants could rupture or leak for several reasons, including: damage by surgical instruments at the time surgery, stress to the implant during surgery that weakens it, excessive force to the chest, trauma, compression during a mammogram, or normal use over time.

Implants could rupture any time after your implant surgery, but the longer the implants are in place, the higher the possibility that the implants will rupture, or the gel or saline will leak.

In our 10-year study, the overall crude occurrence of rupture* among augmentation patients was:

  • 9.8% for MemoryGel® Breast Implants1

As the follow up of patients in studies can be limited, an analysis was also done to try and estimate the probability of a rupture or deflation by a specified years after surgery using the Kaplan-Meier method. This method attempts to account for patients not returning for follow-up and adjusts the estimated rupture rate accordingly. The Kaplan-Meier estimated rupture rate at ten years was 24%1 for MemoryGel® Breast Implants.

The accuracy of the Kaplan-Meier estimate for Mentor ruptures is limited by the low follow-up rates observed across all cohorts of the MRI sub- study at 10 years, as well as competing risks such as device removal for reasons other than rupture.

For CPGTM Breast Implants, in our 10-year study the estimated rupture rate (suspected and confirmed) was:**

  • 3.3%2 (implant level)
  • 6.6%2 (patient level)

*Data from primary augmentation cohort (1st and 2nd MRI Cohort pooled).

**The CPGTM and MemoryGel® data was from the primary augmentation cohort (1st MRI Cohort).

It is important for you to have a discussion about these risks with your doctor and/or surgeon so that you have a full understanding of both benefits and risks before undergoing surgery for breast implants.

References

1 Summary of the Safety and Effectiveness of Mentor’s MemoryGel® Silicone Gel-Filled Implants in Patients who are Undergoing Primary Breast Augmentation, Primary Breast Reconstruction, or Revision. 10-Year Core Gel Final Clinical Study Report. April 2013

2 Mentor Worldwide LLC. MemoryShapeTM Breast Implants Mentor Worldwide LLC. Post-Approval Cohort Study (formally Contour Profile Gel Core Study) Final Clinical Study Report. June 2015

© Johnson & Johnson Medical Ltd, 2020.

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