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Dora-Lisa Juhnke, MD; James P. Beck, MD; Sujee Jeyapalina, PhD; Horst H. Aschoff, MD

Fifteen years of experience with Integral-Leg-Prosthesis: Cohort study of artificial limb attachment system. Dora-Lisa Juhnke, MD; James P. Beck, MD; Sujee Jeyapalina, PhD; Horst H. Aschoff, MD. Aim

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Dora-Lisa Juhnke, MD; James P. Beck, MD; Sujee Jeyapalina, PhD; Horst H. Aschoff, MD

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  1. Fifteen years of experience with Integral-Leg-Prosthesis: Cohort study of artificial limb attachment system Dora-Lisa Juhnke, MD; James P. Beck, MD; Sujee Jeyapalina, PhD; Horst H. Aschoff, MD

  2. Aim • Compare 15 yr of evolved device designs of Integral-Leg-Prosthesis, an attachment system that allows direct skeletal docking of prosthetic limbs. • Relevance • Socket method of prosthetic suspension is sometimes suboptimal, especially in cases of young and otherwise active patients with multiple amputations and/or short residual limbs.

  3. Method • Compared device designs used between Jan 1999 and Dec 2013 in 69 patients with transfemoral amputation. • Statistically compared infection rate and planned and unplanned surgical interventions using Fisher exact test.

  4. Results • High rate of stoma-associated infections seen in group 1 was dramatically reduced in group 2. • Of 39 patients with 42 implants in group 2, none had operative interventions secondary to infection. • All group 2 patients remained infection-free without the use of antibiotics by following simple by defined wound-hygiene protocol.

  5. Conclusion • Final iteration of osseointegrated intramedullary device with a low energy surface at the soft tissue and prosthesis interface allowed a biologically stable skin stoma that remained infection-free without chronic use of antibiotics. • Reduction in infection rate was attributed to clinically based, empirically driven changes in design and surgical techniques.

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