Novel 3D imaging for chest wall anomalies in Calgary

See you at the 49th Annual Meeting of the Canadian Association of Paediatric Surgeons, CAPS in Banff, Alberta, October 5-7, 2017 at the Fairmont Banff Springs.

Novel 3D imaging for chest wall anomalies: The early Calgary experience, Jennifer YK Lam, Janet Ronsky, Marc Schneider, Mary Brindle, Steven Lopushinsky, Nancy Schneider, Jacob Reichbart. Canadian Association of Paediatric Surgeons CAPS Annual Meeting, Banff AB October 2017. Video by Christina Ryan Productions. Uploaded on Youtube Oct 06, 2017

Stacked plot shows reshaping of chest wall early in treatment – 3 transverse sections taken at a given T-level. Braceworks
Purpose
Clinical measurements of pectus carinatum deformity vary by clinician, often performed with tape measure or calipers. We propose the use of three dimensional body scans to quantify chest dimensions and severity of pectus deformities.
Methods
Patients were recruited for study at time of brace fitting for pectus carinatum (ethics approved). Patients were measured by an experienced clinician with calipers to identify the anterior-posterior and transverse dimensions of the chest. A three dimensional body scan was performed, converted to an axial image and deformity dimensions were obtained for comparison (Figure 1). Pearson correlation coefficients were calculated.
Results
Between October 2016 and February 2017, 13 male patients were enrolled at initiation of pectus carinatum treatment (median age 14, range 12-17). The calculated Pearson correlation coefficients for anterior-posterior and transverse chest dimensions were 0.7 and 0.5, respectively.
Conclusion
There is positive correlation between three dimensional body scan and clinical measurements. Three dimensional scanning is easily implemented in the clinic setting and may be a more objective measure of deformity severity and treatment success over time. Future study is required to better characterize individualized pectus carinatum therapy as well as a potential role in reducing ionizing radiation in the work up of pectus excavatum.

Three dimensional body scans for an objective measurement of pectus carinatum deformities, Jennifer YK Lam, Janet Ronsky, Marc Schneider, Mary Brindle, Steven Lopushinsky. Abstract 45, Canadian Association Of Paediatric Surgeons CAPS 49th Annual Meeting Banff, Alberta Canada, October 5-7, 2017

Also see
New Methods for Imaging Evaluation of Chest Wall Deformities, Ana Lain, Laura Garcia, Carlos Gine, Olivier Tiffet, and Manuel Lopez. Front. Pediatr. 04 December 2017. doi: 10.3389/fped.2017.00257

Evaluation of the treatment of pectus carinatum with compressive orthotic bracing using three dimensional body scans, Wong KE, Gorton GE 3rd, Tashjian DB, Tirabassi MV, Moriarty KP. J Pediatr Surg. 2014 Jun;49(6):924-7. doi: 10.1016/j.jpedsurg.2014.01.024. Epub 2014 Feb 3.

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