Mayo Clinic, Jacksonville, FL
Kristin Clift , Sarah K Macklin , Michael B Wallace , R. John Presutti
Background: Capturing family health history is a simple and cost-effective way to identify individuals at increased risk for hereditary cancers. Several barriers exist to family history collection in the clinical setting. Self-reported histories can be limited, inaccurate or static. Physicians are often overwhelmed with data and “alert fatigue.” These complex factors make it difficult to quantify hereditary risks. Patients with increased genetic predisposition may be missed and may not receive individualized cancer surveillance measures. Methods: A practice improvement project was implemented at Mayo Clinic Florida to enhance family history screening. A questionnaire and simple scoring algorithm were developed to prompt referral for genetic counseling. This tool was pilot tested in a multi-specialty gastroenterology clinic. The questionnaire was administered in the waiting room (tablet interface). Patients with significant risk factors identified were contacted and offered genetic counseling. Results: Currently, 291 patients have completed the questionnaire. Thirty of the 60 patients identified to have significant familial risk factors met with a genetic counselor. Of the twenty who completed genetic testing, 9 patients received one or more variants of unknown significance. Two pathogenic variants were identified. One patient was molecularly confirmed to have multiple endocrine neoplasia type 2, which can allow for cascade screening in her unaffected sibling. A pathogenic ATM variant was found in a patient with a recent personal history of pancreatic cancer. The result prompted consideration of platinum based chemotherapy and/or PARP inhibitors in her cancer management. She has had a visible response thus far with the treatment. Her sister implemented a new surveillance regimen after testing positive for the familial variant. Conclusions: Enhanced family history screening is a low cost, effective method for the identification of patients who may benefit from hereditary cancer screening and genetic testing. Increased attention to family history is a vital component of precision medicine in any care setting.
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