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Classification of Breast Implant Malposition.

Marc D Pacifico, Naveen V Goddard, Paul A Harris

Aesthetic Surgery Journal

|April 15, 2024

Summary

A new objective classification system for breast implant malposition was developed and tested. This system helps surgeons assess malposition severity and guides treatment decisions for better patient outcomes.

Area of Science:

Plastic Surgery
Medical Device Technology
Surgical Outcomes

Background:

Implant malposition is a common complication of prosthetic breast implants.
Currently, no objective classification system exists for implant malposition.
This lack of a standardized system hinders consistent assessment and treatment.

Purpose of the Study:

To develop and prospectively validate an objective, reproducible classification system for breast implant malposition.
To analyze retrospective data to formulate the classification system.
To guide surgical decision-making based on the degree of malposition.

Main Methods:

Retrospective analysis of 189 breasts (100 patients) to define malposition axes and distances.
Development of a classification system based on medial/lateral and inferior/superior displacement.

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Prospective trial of the system on 53 breasts (28 patients) with implant malposition.

Main Results:

The classification system categorizes malposition by axis and distance (cm) from the ideal footprint.
Grade 1 malposition requires no surgery; Grade 3 warrants surgical correction.
In 242 breasts (128 patients), malposition ranged from Grade 1 to 3, with high interobserver reliability (90% agreement).

Conclusions:

A simple, reproducible classification system for implant malposition has been established.
The system enables objective recording of malposition extent.
It effectively guides surgical decision-making and documents intervention outcomes.