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Master of Public Health

Avoiding Overtreatment of Women ≥70 With Early-Stage Breast Cancer: A Provider-Level Deimplementation Strategy

AUTHORS

Mott NM , Markovitz NH , Wang T , Hughes TM , Pilewskie M , Jagsi R , Dossett LA , . The Journal of surgical research. 2022 12 23; 284(). 124-130

ABSTRACT

INTRODUCTION: National guidelines recommend against routine axillary staging with sentinel lymph node biopsy (SLNB) and adjuvant radiotherapy (RT) in women ≥70 y with early-stage, hormone receptor-positive, HER2-negative breast cancer and clinically negative axilla; however, these practices remain common.

METHODS: We conducted a prospective pilot study from August 2021 to 2022 using an intervention targeting breast surgeons and radiation oncologists in Michigan that aimed to reduce SLNB and RT in eligible patients. The intervention consisted of (1) a geriatric assessment, (2) an assessment of the patient’s medical maximizing-minimizing preferences, and (3) a tailored script with counterpoints to reasons patients commonly seek SLNB or RT. At the end of the study period, participants completed a survey providing feedback with the primary outcomes being: acceptability, appropriateness, feasibility, and intention and motivation to use the materials based on validated measures.

RESULTS: Participants (n = 23) included 15 breast surgeons and 8 radiation oncologists. Collectively, the materials were used with 115 patients. Considering all materials holistically, acceptability, appropriateness, and feasibility of the intervention were high; participants also intended and were motivated to use the intervention. Scores across all measures were highest for the geriatric assessment and lowest for the tailored script. The major barriers to using the intervention were limited time and instances of disagreement on treatment recommendations among surgeons and radiation oncologists.

CONCLUSIONS: The omission of SLNB and adjuvant RT should be discussed in appropriately selected patients. A multifaceted provider-level deimplementation strategy may be an effective means for achieving this goal.

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