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- W3200213189 abstract "207 Background: Monoclonal Gammopathy of Undetermined Significance (MGUS) is an asymptomatic premalignant condition that can be a precursor to multiple myeloma and lymphoproliferative disorders. There exists no best practice for the workup of MGUS, despite the number of patients diagnosed every year. We evaluated the workup of MGUS patients at a University Hospital Hematology clinic before and after implementation of an algorithm based on the Mayo Clinic Risk Stratification Model. Methods: This was a single-center IRB-approved retrospective study. Charts of 132 patients referred for MGUS were reviewed across two groups (A: June 2019 -May 2020 and B: June-Dec 2020). Use of the Mayo Clinic Risk Stratification Model for MGUS was implemented in May 2020. Data regarding initial work up, bone marrow studies and imaging were collected. Statistical analyses were performed using R software for computing (4.0.4). Results: Patient demographics and those who did not need further work up per the algorithm are summarized in table. All 86 new (100%) referrals had an initial CBC, creatinine, calcium, SPEP, and IFE while 7(8.1%) did not have an FLC assay. 43(50%) patients had a 24-hour urine protein electrophoresis. 65.1% (56/86) [group A: 26; group B: 30] met the criteria for no extended workup; 39.3% of these (22/56) underwent imaging while 7.1% (4/56) underwent bone marrow exam. After implementation of the algorithm, the number of patients who underwent imaging studies decreased from 50% (13/26) to 30% (9/30). Skeletal survey was the most ordered imaging modality (90.1%,20/22). Conclusions: Our study highlights the overutilization of imaging studies in low-risk MGUS patients. Approximately 50% of patients with MGUS are low risk with a lifetime risk of progression being less than 2%. In these patients avoiding extensive testing will minimize costs without adversely affecting clinical outcomes. We recommend a dedicated MGUS clinic to improve workup and monitoring of these patients. [Table: see text]" @default.
- W3200213189 created "2021-09-27" @default.
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- W3200213189 date "2021-10-01" @default.
- W3200213189 modified "2023-10-16" @default.
- W3200213189 title "An evaluation of patient workflow in hematology clinics at a university hospital referred for the workup of monoclonal gammopathy of undetermined significance (MGUS)." @default.
- W3200213189 doi "https://doi.org/10.1200/jco.2020.39.28_suppl.207" @default.
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