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Evaluation of Patients' Posture and Gait Profile After Lumbar Fusion Surgery by Video Rasterstereography and Treadmill Gait Analysis

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The PRS Rainbow Classification for Assessing Postbariatric Contour Deformities.

Claire E E de Vries¹, Lisa van den Berg², Valerie M Monpellier³

¹Department of Surgery, OLVG, Amsterdam, The Netherlands.

Plastic and Reconstructive Surgery. Global Open

|August 9, 2020

Summary

The PRS Rainbow Classification reliably grades body contour deformities after massive weight loss. This system aids in standardizing assessments for body contouring surgery and insurance reimbursement.

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Area of Science:

Plastic Surgery
Medical Imaging
Reconstructive Surgery

Background:

Massive weight loss often results in significant contour deformities.
A standardized classification system is needed for objective assessment and reimbursement of body contouring procedures.
The PRS Rainbow Classification was developed to address this need using standardized photographic references.

Purpose of the Study:

To evaluate the reliability of the PRS Rainbow Classification system.
To determine its effectiveness in classifying contour deformities in postbariatric patients.
To assess its potential for informing surgical decisions and insurance coverage.

Main Methods:

Fifty photographs per anatomical region (arms, breast, abdomen, medial thighs) were evaluated.
Ten plastic surgeons, seven insurance medical advisors, and ten laypersons participated in an online survey.
Inter-observer and intra-observer reliabilities were calculated using intra-class correlation coefficients (ICCs).

Main Results:

Moderate to good inter-observer reliability was observed for arms (ICC=0.678), abdomen (ICC=0.685), and medial thighs (ICC=0.658).
Reliability was comparable across plastic surgeons, medical advisors, and laypersons.
Moderate to good intra-observer reliability (ICC=0.723) was found across all groups and regions.

Conclusions:

The PRS Rainbow Classification demonstrates moderate to good reliability, validating its use.
It is a reproducible system for assessing post-massive weight loss contour deformities.
The classification system shows promise for standardizing body contour deformity assessment and supporting reimbursement decisions for body contouring surgery.