Lessons Learned in Implementing Patient-Reported Outcome Measures (PROMs) in the Australian Breast Device Registry (ABDR)

Identification of Predictive Factors for Patient-Reported Outcomes in the Prospective Australian Breast Device Registry

BACKGROUND

Patient-reported outcome measures (PROMs) are an important tool for evaluating outcomes following breast device procedures and are used by breast device registries. PROMs can assist with device monitoring through benchmarked outcomes but need to account for demographic and clinical factors that may affect PROM responses.

OBJECTIVES

This study aimed to develop appropriate risk-adjustment models for the benchmarking of PROM data to accurately track device outcomes and identify outliers in an equitable manner.

METHODS

Data for this study were obtained from the Australian Breast Device Registry, which consists of a large prospective cohort of patients with primary breast implants. The 5-question BREAST-Q implant surveillance module was used to assess PROMs at 1 year following implant insertion. Logistic regression models were used to evaluate associations between demographic and clinical characteristics and PROMs separately by implant indication. Final multivariate risk-adjustment models were built sequentially, assessing the independent significant association of these variables.

RESULTS

In total, 2221 reconstructive and 12,045 aesthetic primary breast implants with complete 1-year follow-up PROMs were included in the study. Indication for operation (post-cancer, risk reduction, or developmental deformity) was included in the final model for all reconstructive implant PROMs. Site type (private or public hospital) was included in the final breast reconstruction model for look, rippling, and tightness. Age at operation was included in the reconstruction models for rippling and tightness and in the aesthetic models for look, rippling, pain, and tightness.

CONCLUSIONS

These multivariate models will be useful for equitable benchmarking of breast devices by PROMs to help track device performance.

LEVEL OF EVIDENCE: 2

Patient Reported Outcome Measures After Breast Augmentation - Using the BREAST-Q IS

PURPOSE

Cosmetic breast augmentation procedures are commonly performed breast device surgeries. The Australian Breast Device Registry (ABDR) administers a five-question patient reported outcome measure (PROM), the BREAST-Q Implant Surveillance module (BREAST-Q IS), to patients 1, 2 and 5 years after breast device surgery. The measure includes an open-ended question to add any comments. This study aimed to use the responses to this open-ended question to assess participants' experiences of breast devices 1 and 2 years after breast augmentation. The secondary objective was to identify emerging and important issues relating to breast augmentation and devices.

PATIENTS AND METHODS

This qualitative descriptive study was conducted using a randomly selected sample of 268 responses to the open-ended question in the BREAST-Q IS, from the ABDR database. These responses were from patients who underwent breast augmentation between 2015 and 2018. Comments were analyzed using conventional content analysis in NVivo 12.

RESULTS

Four major themes were identified: satisfaction following breast augmentation, dissatisfaction following breast augmentation, complications and breast symptoms following breast augmentation and other comments. Two dominant themes were regarding satisfaction (n = 112) with overall surgical outcome, medical team, and post-operative appearance and complications and breast symptoms (n = 177) following breast augmentation. Emerging issues identified were rippling of breast implants and breast implant illness (BII).

CONCLUSION

PROMs can be used to understand patients' perspectives on various aspects of their own surgical experiences. Participants provided responses regarding complications and breast symptoms experienced, and rippling of the breast implants and BII are emerging issues after breast augmentation.