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Harmonic Scalpel in Cancer Surgeries: Benefits and Drawbacks

Explore the use of the Harmonic Scalpel in cancer surgeries, its benefits in reducing blood loss and operation time, and drawbacks such as thermal damage. Includes case studies and meta-analyses.

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Harmonic Scalpel in Cancer Surgeries: Benefits and Drawbacks

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

  2. The Harmonic Scalpel and Cancer • Scalpel: • 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/

  3. 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.

  4. 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. Results: • Blood Loss [L] • Abdominal Drainage [R]

  5. 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. Results (cont) • Gastrointestinal function recovery [L] • Total recovery days [R]

  6. 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.

  7. 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]

  8. 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 (cont) • Drainage [L] • Hospitilization Time [R]

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

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

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