Hello All, We are currently working on an oncology project in which medication regimens are used. I would appreciate some guidance on the preferred way to model regimens using openEHR. Here is an example of a regimen I am modeling:
Regimen Name: CAF Step 1: Cyclophosphamide 100 mg/m2/day po days 1-14 Step 2: Doxorubicin 30 mg/m2/day iv days 1 and 8 Step 3: 5FU 500 mg/m2/day iv on days 1 and 8 repeat q 4 weeks As I see it, there are two possible models: 1. One INSTRUCTION with an ITEM_TABLE data structure that has each step in a different column. OR 2. Three INSTRUCTIONs with LINKs between them (i.e. a "concurrent medication order"). This would be very similar to the "chained medication order" described in the EHR Information Model (Figure 27). However in this case, the LINKs' meaning would be "concurrent actions" rather than "next action". Does anyone have a preference or another way to model this? Thanks, Matias -- ============ Matias Klein Ethidium Health Systems 3993 Huntingdon Pike - Suite 108 Huntingdon Valley, PA 19006-1927 USA Office: (215)938-8630 Fax: (866)583-8018 http://www.ethidium.com - If you have any questions about using this list, please send a message to d.lloyd at openehr.org
