POSTER ABSTRACTS - ISAKOS

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progression, pain score (VAS) and achievement of functional milestones. Results: Femoral nerve block group had significantly lower pain scores and lower epidural consumption in comparison to the group without block (p
and efficacy of simultaneous bilateral revision TKA. Methods: This study cohort included 40 knees in 20 patients who underwent simultaneous bilateral revision arthroplasty for aseptic failure of a total knee arthroplasty under the same anesthetic. The study group was compared to two similar control groups of 40 knees in 20 patients who underwent staged bilateral total knee revision arthroplasty and 20 knees in 20 patients who underwent unilateral total knee revision arthroplasty. Follow-up averaged 4 (range, 3-5) years in the study group and 8 (range, 6-12) years in the control groups. Clinical and radiographic results were evaluated by the Knee Society rating system. Results: Average knee scores improved by 41 points for the revision TKA in the study group, 38 points in the staged group, and 39 points in the unilateral group. Range of motion improved from 8-85 degrees to 2-115 degrees and tourniquet times averaged 57 minutes (range 37-78 minutes). There were no lasting adverse cardiovascular or thromboembolic complications. However, there was one transient episode of post-operative confusion that was attributed to fat embolism. Conclusion: Simultaneous bilateral revision total knee arthroplasty has a favorable outcome. Although the need for simultaneous bilateral revision knee arthroplasty may be rare. It may be a viable option in carefully selected patients. Furthermore, these results suggest that this combined procedure is a safe and favorable alternative to staged revision total knee arthroplasty. E-poster w/ Standard #556 Outcomes of an Arthroscopic Treatment Regimen for Severe Osteoarthritis of the Knee J. Richard Steadman, Vail, CO, USA Arun Ramappa, Vail, CO USA Presenter Timothy S Bollom, Vail, CO USA Karen K Briggs, Vail, CO USA William G Rodkey, Vail, CO USA Steadman Hawkins Sports Medicine Foundation, Vail, CO, USA Introduction: Recently the benefits of arthroscopy for the treatment of osteoarthritis(OA) of the knee have been questioned. Although joint replacement has yielded successful results, many patients wish to delay this procedure. In addition, knee arthroplasty at a physiologically young age has significant long term implications. Purpose: The purpose of this study was to evaluate the functional and subjective outcomes of patients with severe OA of the knee who underwent a comprehensive arthroscopic treatment and physical therapy regimen. Methods: Between August 2000 and November 2001, 90 knees in 81 patients were treated with a novel arthroscopic regimen. Inclusion criteria included severe osteoarthritis, as defined by a Kellgren-Lawrence Score of 3 or 4, and minimum 2 year follow-up. Under anesthesia, prior to arthroscopy, knees were insufflated with an average of 170cc of sterile saline (range 120 to 240). The arthroscopic treatment consisted of: lysis of adhesions, anterior interval release(interval between patella and tibia), contouring of cartilage defects to a stable rim, shaping of meniscus tears to a stable rim, limited synovectomy, removal of loose bodies, removal of osteophytes that affected terminal extension, and careful homeostasis prior to removal of the arthroscope. This was followed by a strict physical therapy regimen that included partial weightbearing post-operatively, early achievement of full range of motion, and maintenance of patellar mobility. Exclusion criteria included treatment of chondral defects with microfracture. All patients completed a pre-operative questionnaire and follow-up questionnaire. Failure of the arthroscopic protocol was defined as knees requiring arthroplasty due to lack of improvement in symptoms. Results: The average patient age was 57 (range 37 to 78), with 51 males and 39 females. Patients had an average of 1.5 previous surgeries (range 0 to 12). The average pre-operative Lysholm score was 51 (range 14 to 90) and the average Tegner activity level was 3 (range 1 to 9). Knees had an average of 3.4 mm of medial joint space and 6.2 mm of lateral joint space on the AP view. On the AP view at 45o of flexion, the average medial joint space was 3.4 mm and the lateral joint space was 4.6 mm. The weight bearing axis (WBA) was defined as a line between the center of the hip and center of the talus. The distance between the point the WBA crosses the knee joint and the center of the knee was noted. This distance divided by the width of the compartment that the WBA intersected was defined as the shift in the WBA. The average shift in the WBA was 42% (range 0 to 129%). Nine knees failed at an average time from surgery of 24 months (range 17 to 31 months. There was no difference in any pre-operative
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POSTER ABSTRACTS • The FDA has no
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E-poster #170: The Effect of Shock
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E-poster #318: Configuration of the
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E-poster #363: Computer Assisted AC
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E-poster #411: Proprioception Diffe
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E-poster #506: A Comparative Study
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E-poster w/ Standard #556: Outcomes
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E-poster #644: Arthroscopic Patello
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E-poster #731: A New Evaluation Met
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E-poster #802: Injuries in Naval Sp
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E-poster #871: Arthroscopic Bankart
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E-poster w/ Standard #949: Biomecha
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ANKLE/FOOT/CALF E-poster #100 Arthr
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tibial - for 14, stop subluxation-f
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showed severe swelling without an o
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system. Actually, tibial stress fra
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E-poster w/ Standard #122 Results o
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adiological, and clinical results w
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Stress fractures were not affected
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Twenty-four cases (84.2%) had at le
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microscopically found, we classifie
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the Bioknotless suture anchor (Mite
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carried out a perspective study,par
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E-poster #170 The Effect of Shock W
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E-poster w/ Standard #176 The Integ
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Dual Energy X- ray Absorptiometry (
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subsidence and revision rate. Malpo
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faster rehabilitation, so we think
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Introduction: Based on the associat
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up. Results: The mean operating tim
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Background: The role of arthroscopy
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E-poster #302 Complications during
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a role to play in the prevention of
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decreases and the patella remains c
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performed about the stability of ti
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sports, for evaluating rehabilitati
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E-poster #326 Comparative Study the
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Material and Methods; Seven mature
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The passive range of flexion was th
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E-poster #335 Simplified MRI Sequen
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PLRI was treated using a biceps ten
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athletes. The proper treatment of t
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23 cases Presenter an isolated ACL
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North Cheshire NHS Trust, Warringto
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A notch view provides useful inform
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evaluate the clinical results and r
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and postoperative knee laxity measu
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Lysholm, ADL, and IKDC all showed a
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gracilis (HS) autograft (34 patient
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The authors believed that the highe
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Evaluation of Antero-posterior and
Page 103 and 104: femoral shaft, which was classified
Page 105 and 106: cruciate ligament, chondromalacia a
Page 107 and 108: educed with OKC method in compariso
Page 109 and 110: E-poster #406 Risk Factors Correlat
Page 111 and 112: quadrant and the posterolateral bun
Page 113 and 114: The double incision technique is ea
Page 115 and 116: findings, a computerized knee laxit
Page 117 and 118: However, there was no significant d
Page 119 and 120: Female soccer players sustained 115
Page 121 and 122: ACL -reconstructed knees during sti
Page 123 and 124: and female soccer players between 1
Page 125 and 126: E-poster w/ Standard #433 Factors A
Page 127 and 128: hundred and seventy patients who re
Page 129 and 130: 5.3±2.1 in the ACL-injured side, b
Page 131 and 132: grade 1-3) and near normal joint mo
Page 133 and 134: Outerbridge classification. 34 pati
Page 135 and 136: with extension and flexion deficits
Page 137 and 138: 7,4±1,9 to 3±2,5 points (p
Page 139 and 140: E-poster #518 Thrombotic Trhombocyt
Page 141 and 142: the applied force in PCLR suggests
Page 143 and 144: Jason Boyer, Houston, Texas USA Jef
Page 145 and 146: E-poster #531 Relationship Between
Page 147 and 148: epicondylar axis (EA) or the poster
Page 149 and 150: asymmetrical space with the narrowi
Page 151 and 152: statistical significance between ri
Page 153: score were not statistically differ
Page 157 and 158: E-poster w/ Standard #558 Distal Fe
Page 159 and 160: E-poster #601 Development and Valid
Page 161 and 162: Anterior knee pain has for many yea
Page 163 and 164: performed an additional endobutton
Page 165 and 166: for a few weeks in a plaster of Par
Page 167 and 168: surgically treated, during the acut
Page 169 and 170: had severe Down syndrome. On the ot
Page 171 and 172: with the conventional single-bundle
Page 173 and 174: They deny any anterior knee pain or
Page 175 and 176: Background: The optimal choice of g
Page 177 and 178: E-poster w/ Standard #643 Semitendi
Page 179 and 180: E-poster w/ Standard #648 Arthrosco
Page 181 and 182: Methods: The study was prospective
Page 183 and 184: the diagnosis. The ultrasonography
Page 185 and 186: patients who had cyclops showed los
Page 187 and 188: found in IKDC grading form. In T2*-
Page 189 and 190: Situation 1-- Partial thickness ACD
Page 191 and 192: the anterolateral tibial cortex. Ex
Page 193 and 194: specific portions of the swollen sy
Page 195 and 196: increased until 48W and the MM decr
Page 197 and 198: (Hyaluronic Acid), PRGF (Plasma Ric
Page 199 and 200: E-poster #728 Validity and Responsi
Page 201 and 202: cultures of ATDC5 cells (cultured f
Page 203 and 204: low and high extremes of the variab
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with successful result, while 67.3%
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E-poster #743 Clinical Result Accor
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isk to the neurovascular structures
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preoperative magnetic resonance, an
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structure, but did not perform surg
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The arthroscopic assisted group was
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the knee joints are good, but that
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E-poster w/ Standard #766 Meniscal
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chondromalacia may represent a rela
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OTHER •E-poster #800 Extracorpore
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1000 arthrometer ® at 20 and 80 de
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- nerve blocks were minimally invas
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cases in the T group, 1 case in LT
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E-poster #818 Arthroscopic Treatmen
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E-poster w/ Standard #823 An Evalua
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Although softball has become one of
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technique was valid and reproducibl
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E-poster #856 Humeral Avulsion of t
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Traumatic anterior shoulder instabi
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understanding of the underlying pat
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(range 2-7 years) are reported on 7
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this type of indication. In additio
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explanation of the mechanism to rel
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epairs due to large sized tears and
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with AC injuries can result in unex
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The mean VAS-score for pain during
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Complete orthopaedic and anesthetic
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Purpose: To evaluate an arthroscopi
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length. In response to this phenome
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E-poster w/ Standard #939 Arthrosco
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demonstrated better improvement at
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glenohumeral ligament (SGHL) or rot
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5(8,8%) type iii, 4(7%) type iv, an
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was 477 ml. The duration of operati
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dedicated MR protocols have been tr
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golfing seasons and interviewed usi
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extrinsic factors; inappropriate tr
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sequences. The pre- and post run sc
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POSTER ABSTRACTS - ISAKOS

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