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Development and implementation of a decision aid for post-mastectomy breast reconstruction for Japanese women with breast cancer: a field-testing study

Breast Cancer. 2023 Mar 18. doi: 10.1007/s12282-023-01447-4. Online ahead of print.


INTRODUCTION: Surgical options for post-mastectomy breast reconstruction (PMBR) have increased and become more diverse. These options may cause difficulty and stress for patients in making the best choice, and this also increases the likelihood of postoperative regret over a particular decision. To solve this issue, implementation of shared decision-making (SDM) using a decision aid (DA) has become of increasing interest. We have created the first prototype DA in Japan. The aim of the current field study was to assess the usability of this DA in promoting effective SDM and avoiding regret over a decision to undergo reconstructive surgery.

METHODS: A total of 25 consecutive patients who underwent BR were enrolled in the study, including 13 with SDM using the decision aid (DA + group) and 12 who received standard information (DA- group) before their choice of surgery. The Decision Regret Scale (DRS) were completed after PMBR, whereas SDM Questionnaire (SDM-Q-9) was completed before PMBR. Descriptive and summary statistics were compared to identify differences between the two groups to assess the usability of the DA.

RESULTS: The DA + group had significantly higher mean total scores on the SDM-Q-9 (90.2 ± 5.3 vs. 84.1 ± 3.5, P = 0.0034) and DRS (90.3 ± 3.8 vs. 84.3 ± 6.7, P = 0.023), compared to those in the DA- group.

CONCLUSION: Use of the DA may cause patients to have a higher level of perceived SDM and less regret, which suggests that the DA helps to facilitate smooth and effective implementation of SDM. We conclude that this type of decision-making approach should be recommended for choice of surgery for PMBR.

PMID:36934211 | DOI:10.1007/s12282-023-01447-4

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