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The BREAST-V: a unifying predictive formula for volume assessment in small, medium, and large breasts.

Abstract：

BACKGROUND:Breast volume assessment enhances preoperative planning of both aesthetic and reconstructive procedures, helping the surgeon in the decision-making process of shaping the breast. Numerous methods of breast size determination are currently reported but are limited by methodologic flaws and variable estimations. The authors aimed to develop a unifying predictive formula for volume assessment in small to large breasts based on anthropomorphic values. METHODS:Ten anthropomorphic breast measurements and direct volumes of 108 mastectomy specimens from 88 women were collected prospectively. The authors performed a multivariate regression to build the optimal model for development of the predictive formula. The final model was then internally validated. A previously published formula was used as a reference. RESULTS:Mean (±SD) breast weight was 527.9 ± 227.6 g (range, 150 to 1250 g). After model selection, sternal notch-to-nipple, inframammary fold-to-nipple, and inframammary fold-to-fold projection distances emerged as the most important predictors. The resulting formula (the BREAST-V) showed an adjusted R of 0.73. The estimated expected absolute error on new breasts is 89.7 g (95 percent CI, 62.4 to 119.1 g) and the expected relative error is 18.4 percent (95 percent CI, 12.9 to 24.3 percent). Application of reference formula on the sample yielded worse predictions than those derived by the formula, showing an R of 0.55. CONCLUSIONS:The BREAST-V is a reliable tool for predicting small to large breast volumes accurately for use as a complementary device in surgeon evaluation. An app entitled BREAST-V for both iOS and Android devices is currently available for free download in the Apple App Store and Google Play Store. CLINICAL QUESTION/LEVEL OF EVIDENCE:Diagnostic, II.

journal_name

Plast Reconstr Surg

journal_title

Plastic and reconstructive surgery

authors

Longo B,Farcomeni A,Ferri G,Campanale A,Sorotos M,Santanelli F

doi

10.1097/PRS.0b013e318290f6bd

subject

Has Abstract

pub_date

2013-07-01 00:00:00

pages

1e-7e

issue

eissn

0032-1052

issn

1529-4242

pii

00006534-201307000-00004

journal_volume

132

pub_type

杂志文章

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The BREAST-V: a unifying predictive formula for volume assessment in small, medium, and large breasts.