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MIS(Minimal Invasive Surgery)

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- Laskin CORR Paper (7128-1231)
New Techniques and Concepts in Total Knee Replacement
By: Richard S. Laskin, MD
(Excerpted from Clinical Orthopaedics and Related Research Number 416, November 2003)

¡¤ Short-term follow-up of 45 Mini-TKA patients
¡¤ Analgesics diminished by approximately 40%
¡¤ Faster regaining of flexion
¡¤ Less blood loss
¡¤ Maintaining correct orientation (radiographically confirmed)
¡¤ Faster rehabilitation, diminished hospital stay

- Haas Results
MIS TKR Through a Mini-Mid Vastus Approach
By: Steven Haas, MD
(Excerpted from a paper Dr. Haas will present at the combined Knees Society/AAHKS Specialty Day Meeting, March 13, 2004)

¡¤ 40 consecutive Mini-TKA patients with minimum 1-year follow-up
¡¤ Mean flexion at 6 weeks improved by 19 degrees or 20%
¡¤ Mean flexion at 12 weeks improved by 4 degrees or 3.6%
¡¤ Improved ROM seen at 6 months and one year post-op
¡¤ ROM at one year post-op improved by 9 degrees or 7.7%

MIS group Control Group
Average Incision Length 4.1 inches 8 inches
Post-op Alignment 6.4 deg valgus 6.6 deg valgus
ROM: 4-6 weeks 114 deg 95 deg
ROM: 3 months 122 deg 110 deg
ROM: 1 year 125 deg 116 deg
Tourniquet time 61 minutes 49 minutes

Simple Learning Curve

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