Rasterstereography Continued from Page 33 Rasterstereography is contactless, ra- diation-free and non-intrusive and allows chiropractors to perform multiple scans of each patient – e.g., before and immediately after an adjustment – and a typical report will offer the capability to compare four sets of results taken at different dates. A complement to your radiology equip- ment, rasterstereography does not require any licence or special building construction permit, nor any lengthy training for its ac- curate and repeatable operation. A typical report is shown in Figure 5. This system is an ideal tool for chiroprac- tors, as it allows multiple radiation-free scans tha contain key information on the spine and pelvis complex of each patient. With rasterstereography, chiropractors can fi rst perform a detailed evaluation, to help determine a treatment plan, and then monitor and document, the progress of this Figure 5 treatment plan. This is demonstrated in Figure 6. Patients can receive updates of the progress of their treatment and can also easily be handed a copy of their scans for their own records. Various applications for rasterstereo- graphy technology have been developed and are currently being investigated in clinical situations. In the months to come, results from these investigations will be col- lated and available to chiropractors who may be interested in incorporating this de- vice into their diagnostic regimes. • (Canadian Chiropractor is pleased to have been offered the opportunity to update our readers with results from clinical trials with this technology – which is new to Canada – in an- other issue later in 2008. Please look for more on rasterstereography in our September issue.) References: Drerup B, Hierholzer E, Ellger B. Shape analysis of the lateral and frontal Figure 2 Figure 6 projection of spine curves assessed from rasterstereographs. In: Sevastik JA, Diab KM, eds. Research Into Spinal Deformi- ties. 1st ed. Amsterdam, The Netherlands: lOS Press; 1997:271-275. Hackenberg L, Hierholzer E, Potzl W, Götze G, Liljenqvist U. Rasterstereo- graphic back shape analysis in idiopathic scoliosis after posterior correction and fusion. Clin Biomech.2003;18:883-889. Hackenberg L, Hierholzer E, Potzl Figure 1 46 • CANADIAN CHIROPRACTOR |FEBRUARY 2008 W, Götze C, Liljenqvist U. Rasterstereo- graphic back shape analysis in idiopathic scoliosis after anterior correction and fu- sion. Clin Biomech. 2003;18:1-8. Turner-Smith AR, Harris JD, Hough- ton GR, Jefferson RJ. A method for analy- sis of back shape in scoliosis. J Biomech. 1988;21(6):497-509. www.canadianchiropractor.ca