Abstract
4/2011 to 3/2012. A program was designed which cross-referenced the frequency of a given Rx within the test period compared to the reference control period. RT Rx were flagged if a dose and fractionation scheme had never been prescribed for that site or was infrequent for that site (i.e., <1% or <5%). Results: There were 4 recurring Rx (3.7%) found to be infrequent at the <1% cutoff level. There were 24 Rx (22%) found to be infrequent at the <5% cutoff level. Interestingly, there were 26 unique Rx which had not been prescribed previously during the reference control time period. Investigation into these unique Rx identified multiple etiologies including: new technique (15/26), unique palliative dosing (7/26), incorrect/multiple ICD9 specifications (3/26), and undeliverable Rx (1/26). Conclusion: Our analysis demonstrates that it is feasible to cross-reference RT Rx to ICD9 linked diagnoses to identify dose-fractionation schemes that are infrequent for a given diagnosis and require further investigation by the RT team. Implementation of a cross-referencing system during order entry of RT Rx could also alert the physician to infrequently used Rx for a given diagnosis thereby providing an additional level of consistency of care across patients and by physicians working in one practice. Author Disclosure: A. Sharabi: None. T. McNutt: None. T. DeWeese: None.
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