Biomedical Engineering Student

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Presentation transcript:

Biomedical Engineering Student Harmonic Scalpel Jacques Dorval Biomedical Engineering Student 2 December 2015 Ethicon: http://www.ethicon.com/healthcare-professionals/products/advanced-energy

The Harmonic Scalpel and Cancer What: is it, does it do, allowed to do How it works Why care Cancer What Why Studies http://www.revespcardiol.org/en/acute-ischemia-in-upper-limb/articulo/90124113/

Case 1: Gastrectomy and Colon Cancer What? -ectomy Surgery as cancer treatment Patients: 1930 (946 v 984) Image: http://www.pubcan.org/printicdotopo.php?id=3652 Chen, Xiao-Long, Xin-Zu Chen, Zheng-Hao Lu, Li Wang, Kun Yang, Jian-Kun Hu, Bo Zhang, Zhi-Xin Chen, Jia-Ping Chen, and Zong-Guang Zhou. "Comparison of Ultrasonic Scalpel versus Conventional Techniques in Open Gastrectomy for Gastric Carcinoma Patients: A Systematic Review and Meta-Analysis." <i>PLoS ONE</i>. Public Library of Science, 31 July 2014. Web. 28 Nov. 2015.

Results: Blood Loss [L] Abdominal Drainage [R] Chen, Xiao-Long, et all. "Comparison of Ultrasonic Scalpel versus Conventional Techniques in Open Gastrectomy for Gastric Carcinoma Patients: A Systematic Review and Meta-Analysis." <i>PLoS ONE</i>. Public Library of Science, 31 July 2014. Web. 28 Nov. 2015. Blood Loss [L] Abdominal Drainage [R]

Results (cont) Gastrointestinal function recovery [L] Chen, Xiao-Long, et all. "Comparison of Ultrasonic Scalpel versus Conventional Techniques in Open Gastrectomy for Gastric Carcinoma Patients: A Systematic Review and Meta-Analysis." <i>PLoS ONE</i>. Public Library of Science, 31 July 2014. Web. 28 Nov. 2015. Gastrointestinal function recovery [L] Total recovery days [R]

Case 2: Dissection of the Neck (for cancer cases) What? Surgery of neck for Removal Diagnostic Patients: 406 (201 v 205) Image:http://oralcancernews.org/wp/study-reveals-genetic-diversity-within-tumors-predicts-outcome-in-head-and-neck-cancer/ Ren, Zhen-Hu, Jian-Lin Xu, Teng-Fei Fan, Tong Ji, Han-Jiang Wu, and Chen-Ping Zhang. "The Harmonic Scalpel versus Conventional Hemostasis for Neck Dissection: A Meta-Analysis of the Randomized Controlled Trials." <i>PLoS ONE</i>. Public Library of Science, 10 July 2015. Web. 28 Nov. 2015.

Results: Operation Time [L] Blood Loss [R] Ren, Zhen-Hu, Jian-Lin Xu, Teng-Fei Fan, Tong Ji, Han-Jiang Wu, and Chen-Ping Zhang. "The Harmonic Scalpel versus Conventional Hemostasis for Neck Dissection: A Meta-Analysis of the Randomized Controlled Trials." <i>PLoS ONE</i>. Public Library of Science, 10 July 2015. Web. 28 Nov. 2015. Operation Time [L] Blood Loss [R]

Results (cont) Drainage [L] Hospitilization Time [R] Ren, Zhen-Hu, Jian-Lin Xu, Teng-Fei Fan, Tong Ji, Han-Jiang Wu, and Chen-Ping Zhang. "The Harmonic Scalpel versus Conventional Hemostasis for Neck Dissection: A Meta-Analysis of the Randomized Controlled Trials." <i>PLoS ONE</i>. Public Library of Science, 10 July 2015. Web. 28 Nov. 2015. Drainage [L] Hospitilization Time [R]

Talk So why do we care? Drawbacks: 50% less blood loss Around >30 minute reduction Prevention of spread Drawbacks: No significant reduction in hospitilization Thermal damage

Q & A P.S. Good luck on upcoming exams!