8 Steps to Reducing Your Risk of Capsular Contracture

The body’s normal response to the surgical placement of a breast implant is to form a contiguous scar around the implant, known as the capsule. It forms a wall between the implant and the body, effectively ‘removing’ the implant from the body. The capsule is necessary to support the implant, especially in the upright position. However, the capsule is also the source of the most common complication after breast augmentation: capsular contracture.

What Is Capsular Contracture

Capsular contracture is an abnormal response to chronic inflammation, causing a buildup and tightening of collagen fibers in the scar capsule, as well as the formation of an abnormal cell called a myofibroblast, which can both produce collagen and contract like a muscle cell. This causes gradual deformation of the breast implant as it is constricted into a smaller space, with greater apparent firmness. This problem can be subtle, causing minimal changes to appearance and firmness; or severe, with significant implant deformation, migration, and hardness. It can be progressive over a period of months, stabilize, or even regress.

8 Steps to Reducing Your Risk of Capsular Contracture

Although there is no way to completely eliminate capsular contracture, there are many steps in the process of breast augmentation surgery that can be modified to limit your risk. It’s important to understand the importance of eliminating bacterial contamination and its positive effect on risk reduction of capsular contracture. Clinical case studies and retrospective cohort studies have looked at many of these steps and given good information leading to better outcomes. Below is a list of all the steps that can be influential in the risk reduction of capsular contracture.

1. Preoperative Planning of Implant Size and Type

Most studies have shown that larger implants that overstretch the soft tissue envelope put women at higher risk of capsular contracture. Additionally, improperly sized implants definitely increase risk of excessive tissue stretch and thinning, leading to palpable and/or visible rippling, as well as implant malposition. Biodimensional analysis of the breast and chest wall has led to an objective and reproducible method of choosing implant size that will help limit excessive tissue stretch and capsular contracture.

When placed over the pectoralis muscle, implants with shells that have been texturized have a clear and definitive decreased incidence of capsular contracture compared to implants with smooth wall shells. However, it has been more difficult to demonstrate this when implants are placed below the muscle. Although texturized implants have the potential of more palpable rippling with either saline or silicone gel implants, the new form stable, anatomically shaped ‘gummy bear’ implants (which are all texturized), ripple the least of all implants. In FDA approval studies, these new implants have the lowest risk of capsular contracture.

2. Incision Choice

Incision placement is crucial. Data is very clear and convincing coming from individual surgeons looking back over a long period of their career that the incision with the lowest risk of capsular contracture is the inframammary incision. The incision with the highest risk is the periareolar or nipple incision; in between is the axillary or armpit incision. This makes sense from an anatomical standpoint.

The periareolar incision forces the surgeon to divide central breast tissue that contains an abundant amount of milk ducts, which are colonized with bacteria like the skin, leading to a higher likelihood of implant contamination. The axillary incision requires more and longer instruments, many of which are taken in and out of the incision prior to implant delivery. This, in turn, increases the risk of implant contamination. The inframammary incision allows the surgeon to go quickly from the skin to under the muscle using two relatively short instruments that don’t need to be removed and replaced during the surgery. The inframammary incision allows the surgeon to avoid both milk ducts as well as apocrine sweat glands, which are traversed through axillary incisions and may also be a source of bacteria.

This may come to a surprise to many who’ve gone on consultations with surgeons who wholeheartedly recommend or only perform periareolar incisions. This is the case because many surgeons find it difficult or uncomfortable to perform this surgery in any other way than they were taught or have been performing for years.

3. Pocket Placement

Capsular contracture is more common when implants are placed above the pectoralis muscle, a phenomenon known for decades. Although much speculation has been made, including the concept of implants getting ‘massaged’ by the muscle and thereby decreasing contracture risk, we now know it is most likely a reduction in bacterial exposure when implants are placed in the subpectoral position.

A third option of ‘subfascial’ placement of the implant has become better known in the last few years. It relies on the creation of an implant pocket that is just under the outer covering of the pectoralis muscle. This fascial covering is wispy thin, surgically difficult to elevate off the muscle in one piece, and provides no additional tissue to buffer the implant from the outside world. There have been no studies to indicate that subfascial implants enjoy the lower rates of capsular contracture as subpectoral implants, and they definitely don’t conceal rippling either.

4. Pocket Creation

Although more technical and difficult to understand from a patient’s perspective, precise and meticulous surgery using a device known as an electrocautery, makes a bloodless pocket that has minimal collateral damage to the surrounding tissues. This is important because the healthier and ‘dryer’ (devoid of blood or bleeding) the pocket, the less habitable an environment it is for bacteria.

5. Pocket Preparation

After a pocket has been created, but before implant insertion, a formula of three antibiotics in saline mixed with Betadine, a surgical skin prep, has been shown to lower rates of capsular contracture.

6. Implant Insertion

The most ‘dangerous’ time for the implant is when it is inserted. This is the time that it is most likely to be injured or come into contact with bacteria, either directly from the skin or from another source that has already been contaminated (i.e. the surgeon’s gloves, instruments, or drapes). Reports of very low capsular contracture came from surgeons who had a method of ‘no touch’ delivery of the implant, which usually involved the use of sterile plastic or paper wrappers as barriers between the implant and the rest of the surgical field. Today, there is a purpose built funnel that allows easy delivery of the implants without any inadvertent contact with aforementioned objects or skin.

7. Finalization of Procedure

Frequently, after insertion of the implants, adjustments need to be made to the pockets to get the best symmetry possible. It is very important that a second set of new gloves and instruments be used to make these adjustments (all electrocautery) to the pocket.

8. Post-Surgical Antibiotic Prophylaxis

Once implants have been placed and the patient has healed, they are still at risk of bacterial contamination of their implants, in the same way that any patient who has a medical device in their body. Any superficial infections, including tooth, nail, or skin infections, should be promptly treated with antibiotics. Additionally, anytime an elective procedure is planned that is not a sterile procedure, a one-time dose of antibiotics should be given prior. This would include dental procedures, Pap smears, and colonoscopies or rectal procedures. Although there is little data to guide the surgeon, antibiotic prophylaxis should be maintained for at least the first year, and possibly indefinitely.

The Bottom Line

Capsular contracture is a pathologic result of chronic inflammation, most often due to bacterial biofilm around the breast implant. This biofilm is caused by inadvertent contamination of the implant, usually during the time of surgery, but also through the bloodstream any time after surgery. There are a number of alternatives that can lead to a lower risk of capsular contracture, but unfortunately only some can be verified by the patient. This includes choices of implant size and type, incision placement, and implant placement. The others are more esoteric, and rely on the surgeon to do what is known to be the best based on evidence.

From a consumer perspective, there are ways of picking surgeons who probably adhere to the points mentioned in this article. First, look for a surgeon that emphasizes biodimensional planning over goal cup size. This requires more than just your breast base width and includes a few more measurements to fully understand your soft tissue capacity. Next, find surgeons that emphasize rapid recovery, but also explain how they do it. If they are truly advocates of rapid recovery breast augmentation, you will hear about the above mentioned points as well. Finally, your surgeon won’t mention, or at least won’t emphasize, post-operative implant massage as a necessary or important maneuver for normal recovery or healing.

Reviewed September 2016

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