bone malalignment

Summary

Summary: Displacement of bones out of line in relation to joints. It may be congenital or traumatic in origin.

Top Publications

  1. Felson D, Cooke T, Niu J, Goggins J, Choi J, Yu J, et al. Can anatomic alignment measured from a knee radiograph substitute for mechanical alignment from full limb films?. Osteoarthritis Cartilage. 2009;17:1448-52 pubmed publisher
  2. Hauschild O, Konstantinidis L, Baumann T, Niemeyer P, Suedkamp N, Helwig P. Correlation of radiographic and navigated measurements of TKA limb alignment: a matter of time?. Knee Surg Sports Traumatol Arthrosc. 2010;18:1317-22 pubmed publisher
    ..Equally good correlations can only be achieved when postoperative radiographic measurements are delayed to a time when more patients achieve full or near-full extension and are able to bear full weight leading to more valid radiographs...
  3. Hirschmann M, Schön S, Afifi F, Amsler F, Rasch H, Friederich N, et al. Assessment of loading history of compartments in the knee using bone SPECT/CT: a study combining alignment and 99mTc-HDP tracer uptake/distribution patterns. J Orthop Res. 2013;31:268-74 pubmed publisher
    ..It is also related to the degree of osteoarthritis. Hence, SPECT/CT should be considered for follow-up of patients after realignment treatments, osteotomies, deloader devices, or insoles...
  4. Houwert R, Wijdicks F, Steins Bisschop C, Verleisdonk E, Kruyt M. Plate fixation versus intramedullary fixation for displaced mid-shaft clavicle fractures: a systematic review. Int Orthop. 2012;36:579-85 pubmed publisher
    ..The objective of this systematic review is to compare functional outcome and complications after plate fixation and intramedullary fixation for displaced midshaft clavicle fractures...
  5. Postacchini R, Gumina S, Farsetti P, Postacchini F. Long-term results of conservative management of midshaft clavicle fracture. Int Orthop. 2010;34:731-6 pubmed publisher
    ..3 cm as well as in those with an OV > or = 13% associated with a DS > or = 2 cm. This holds particularly for young and middle-aged patients...
  6. Prakash U, Wigderowitz C, McGurty D, Rowley D. Computerised measurement of tibiofemoral alignment. J Bone Joint Surg Br. 2001;83:819-24 pubmed
    ..These results show that non-medical staff can reliably use the software to measure tibiofemoral alignment. It has the potential to measure all the parameters recommended by the Knee Society...
  7. Kraus V, McDaniel G, Worrell T, Feng S, Vail T, Varju G, et al. Association of bone scintigraphic abnormalities with knee malalignment and pain. Ann Rheum Dis. 2009;68:1673-9 pubmed publisher
    ..The information content of knee bone scintigraphy was evaluated, including pattern, localisation and intensity of retention relative to radiographic features of knee osteoarthritis, knee alignment and knee symptoms...
  8. van der Linden van der Zwaag H, Valstar E, van der Molen A, Nelissen R. Transepicondylar axis accuracy in computer assisted knee surgery: a comparison of the CT-based measured axis versus the CAS-determined axis. Comput Aided Surg. 2008;13:200-6 pubmed publisher
    ..During CT-free navigation in TKA, a systematic error of 3 degrees arose when determining the TEA. It is emphasized that the intraoperative epicondylar axis is different from the actual CT-based epicondylar axis...
  9. Longstaff L, Sloan K, Stamp N, Scaddan M, Beaver R. Good alignment after total knee arthroplasty leads to faster rehabilitation and better function. J Arthroplasty. 2009;24:570-8 pubmed publisher
    ..Patients with a low cumulative error score had a better functional outcome (P = .015). These patients rehabilitated more quickly and their length of stay in hospital was 2 days shorter...

More Information

Publications98

  1. Brouwer G, van Tol A, Bergink A, Belo J, Bernsen R, Reijman M, et al. Association between valgus and varus alignment and the development and progression of radiographic osteoarthritis of the knee. Arthritis Rheum. 2007;56:1204-11 pubmed
    ..The aim of this study was to assess the relationship between malalignment and the development of knee OA as well as progression of knee OA...
  2. Cooke T, Harrison L, Khan B, Scudamore A, Chaudhary M. Analysis of limb alignment in the pathogenesis of osteoarthritis: a comparison of Saudi Arabian and Canadian cases. Rheumatol Int. 2002;22:160-4 pubmed
    ..Further, it calls for the fresh appraisal of surgical options based on biomechanical analysis of each case, including femoral osteotomy where necessary...
  3. Whiteside L, Arima J. The anteroposterior axis for femoral rotational alignment in valgus total knee arthroplasty. Clin Orthop Relat Res. 1995;:168-72 pubmed
    ..In the remaining knees, the Q angle was < 10 degrees, and patellar tracking was acceptable. Two years after surgery, no knees had patellar instability...
  4. Chauhan S, Scott R, Breidahl W, Beaver R. Computer-assisted knee arthroplasty versus a conventional jig-based technique. A randomised, prospective trial. J Bone Joint Surg Br. 2004;86:372-7 pubmed
    ..011) and femorotibial mismatch (p = 0.037). Standing alignment was also improved (p = 0.004) and blood loss was less (p = 0.0001). Computer-assisted surgery took longer with a mean increase of 13 minutes (p = 0.0001)...
  5. Kamat Y, Aurakzai K, Adhikari A, Matthews D, Kalairajah Y, Field R. Does computer navigation in total knee arthroplasty improve patient outcome at midterm follow-up?. Int Orthop. 2009;33:1567-70 pubmed publisher
    ..But group 1, having a higher proportion of malaligned TKA, might show worsening of OKS at long term...
  6. Spencer J, Chauhan S, Sloan K, Taylor A, Beaver R. Computer navigation versus conventional total knee replacement: no difference in functional results at two years. J Bone Joint Surg Br. 2007;89:477-80 pubmed
  7. Specogna A, Birmingham T, DaSilva J, Milner J, Kerr J, Hunt M, et al. Reliability of lower limb frontal plane alignment measurements using plain radiographs and digitized images. J Knee Surg. 2004;17:203-10 pubmed
    ..However, the small errors associated with both methods should be considered when making clinical decisions...
  8. Baker K, Goggins J, Xie H, Szumowski K, LaValley M, Hunter D, et al. A randomized crossover trial of a wedged insole for treatment of knee osteoarthritis. Arthritis Rheum. 2007;56:1198-203 pubmed
    ..The aim of this study was to test the efficacy of this simple, low-cost intervention for pain in patients with medial knee OA...
  9. Lützner J, Krummenauer F, Wolf C, Gunther K, Kirschner S. Computer-assisted and conventional total knee replacement: a comparative, prospective, randomised study with radiological and CT evaluation. J Bone Joint Surg Br. 2008;90:1039-44 pubmed publisher
    ..There was no statistically significant difference regarding the occurrence pattern of outliers in mechanical malalignment but the number of outliers was reduced in the navigated group...
  10. Matsumoto T, Tsumura N, Kurosaka M, Muratsu H, Kuroda R, Ishimoto K, et al. Prosthetic alignment and sizing in computer-assisted total knee arthroplasty. Int Orthop. 2004;28:282-5 pubmed
    ..Therefore, surgeons using navigation systems should guard against the possibility of oversizing when determining the size of the femoral component...
  11. Decking R, Markmann Y, Fuchs J, Puhl W, Scharf H. Leg axis after computer-navigated total knee arthroplasty: a prospective randomized trial comparing computer-navigated and manual implantation. J Arthroplasty. 2005;20:282-8 pubmed
    ..This difference was statistically significant. The femoral and tibial mechanical anteroposterior axis and the femoral and tibial sagittal tilt (slope) measured on sagittal x-rays were not significantly improved in this patient group...
  12. Nabeyama R, Matsuda S, Miura H, Mawatari T, Kawano T, Iwamoto Y. The accuracy of image-guided knee replacement based on computed tomography. J Bone Joint Surg Br. 2004;86:366-71 pubmed
    ..Our results suggest that standardisation of knee replacement by the use of this system will lead to improved long-term survival of total knee arthroplasty...
  13. Kim Y, Kim J, Yoon S. Alignment and orientation of the components in total knee replacement with and without navigation support: a prospective, randomised study. J Bone Joint Surg Br. 2007;89:471-6 pubmed
    ..109 to p = 0.920). In this series computer-assisted navigated total knee replacement did not result in more accurate orientation and alignment of the components than that achieved by conventional total knee replacement...
  14. Oberst M, Bertsch C, Würstlin S, Holz U. [CT analysis of leg alignment after conventional vs. navigated knee prosthesis implantation. Initial results of a controlled, prospective and randomized study]. Unfallchirurg. 2003;106:941-8 pubmed
    ..This article presents the first results of a controlled, prospective and randomised trial comparing navigation versus free-hand implantation in TKA with special reference to the rotation of the femoral component...
  15. Bolland B, Whitehouse S, Timperley A. Indications for early hip revision surgery in the UK--a re-analysis of NJR data. Hip Int. 2012;22:145-52 pubmed publisher
    ..Revision for dislocation was highest in uncemented hips (significant difference between groups, p<0.001). Feedback to the NJR on data misclassification has been made for future analysis...
  16. Walsh T, Delahunt E, McCarthy Persson U. Effects of taping on thumb alignment and force application during PA mobilisations. Man Ther. 2011;16:264-9 pubmed publisher
    ..9 N. Taping of the thumbs prior to PA mobilisation improved thumb alignment during mobilisation in this cohort of undergraduate students, thus potentially influencing one of the contributory factors to WRTP. ..
  17. Lützner J, Kirschner S, Günther K, Harman M. Patients with no functional improvement after total knee arthroplasty show different kinematics. Int Orthop. 2012;36:1841-7 pubmed publisher
    ..Rotational mismatch between femoral and tibial components exceeding 10° resulted in different kinematics after TKA. It might contribute to worse clinical results observed in those patients and should therefore be avoided. ..
  18. Lützner J, Dexel J, Kirschner S. No difference between computer-assisted and conventional total knee arthroplasty: five-year results of a prospective randomised study. Knee Surg Sports Traumatol Arthrosc. 2013;21:2241-7 pubmed publisher
    ..There were no significant differences in functional or patient perceived outcome after mid-term follow-up in this study. I. ..
  19. Sandmann G, Ahrens P, Schaeffeler C, Bauer J, Kirchhoff C, Martetschläger F, et al. Balloon osteoplasty--a new technique for minimally invasive reduction and stabilisation of Hill-Sachs lesions of the humeral head: a cadaver study. Int Orthop. 2012;36:2287-91 pubmed publisher
    ..Future work is needed to evaluate the technique under arthroscopic conditions. ..
  20. Nam D, Jerabek S, Haughom B, Cross M, Reinhardt K, Mayman D. Radiographic analysis of a hand-held surgical navigation system for tibial resection in total knee arthroplasty. J Arthroplasty. 2011;26:1527-33 pubmed publisher
    ..2% of the components were placed within 3° ± 2° to the mechanical axis in the sagittal plane. The KneeAlign greatly improves the accuracy of tibial component alignment in TKA. ..
  21. Aarons C, Iobst C, Chan D, Landy D. Repair of supracondylar humerus fractures in children: does pin spread matter?. J Pediatr Orthop B. 2012;21:499-504 pubmed publisher
    ..The PSRs employed in pediatric supracondylar humerus repair appear sufficient for fixation. ..
  22. Nam D, Cross M, Deshmane P, Jerabek S, Kang M, Mayman D. Radiographic results of an accelerometer-based, handheld surgical navigation system for the tibial resection in total knee arthroplasty. Orthopedics. 2011;34:e615-21 pubmed publisher
  23. Monson J, Arendt E. Rehabilitative protocols for select patellofemoral procedures and nonoperative management schemes. Sports Med Arthrosc Rev. 2012;20:136-44 pubmed publisher
    ..Symptomatic cartilage lesions may limit return to full function. Physical performance testing activities can be useful to measure patient progress and advise on return to activity/play. ..
  24. Elson L, Barr C, Chandran S, Hansen V, Malchau H, Kwon Y. Are morbidly obese patients undergoing total hip arthroplasty at an increased risk for component malpositioning?. J Arthroplasty. 2013;28:41-4 pubmed publisher
    ..Of all variables considered, high BMI was the most significant risk factor leading to malpositioning. ..
  25. Cui Z, Pan J, Yu B, Zhang K, Xiong X. Internal versus external fixation for unstable distal radius fractures: an up-to-date meta-analysis. Int Orthop. 2011;35:1333-41 pubmed publisher
    ..62 to -2.07, P?=?0.02) and after one year (95% CI -14.37 to -2.32, P?=?0.007) follow-up. We suggest that the final results are significant and there is some evidence supporting the use of open reduction and internal fixation. ..
  26. Lim H, Bae J, Yi J, Park J. Bilateral stress fracture of the femoral shaft after total knee arthroplasty: a case report. Knee. 2011;18:354-7 pubmed publisher
  27. Tolk J, Koot H, Janssen R. Computer navigated versus conventional total knee arthroplasty. J Knee Surg. 2012;25:347-52 pubmed
    ..This improvement in accuracy did not result in improvement of the functional outcome at mid-term follow-up. ..
  28. Oh K, Yoon S, Ko Y. Total Limb Rotation after Unilateral Total Knee Arthroplasty: Side-to-Side Discrepancy. J Knee Surg. 2016;29:516-21 pubmed publisher
    ..However, excessive external rotation of the femoral component beyond the compensation effect of prosthetic knee joint can lead to a total limb rotational discrepancy in patient undergoing unilateral total knee arthroplasty. ..
  29. Witteveen H, Colaris J. [A woman with a painful elbow]. Ned Tijdschr Geneeskd. 2013;157:A4779 pubmed
    ..The clinical presentation of chronic luxation of the radial head is easily confused with that of an acute dislocation of the radial head, which may wrongly result in subsequent reduction. ..
  30. Gibson K, Sayers S, Minor M. Measurement of varus/valgus alignment in obese individuals with knee osteoarthritis. Arthritis Care Res (Hoboken). 2010;62:690-6 pubmed publisher
    ..21, P = 0.13). The umbilical method of assessing frontal plane knee alignment is a valid surrogate for the radiographic gold standard and retains its accuracy in an obese population. ..
  31. Wijdicks F, Houwert M, Dijkgraaf M, de Lange D, Oosterhuis K, Clevers G, et al. Complications after plate fixation and elastic stable intramedullary nailing of dislocated midshaft clavicle fractures: a retrospective comparison. Int Orthop. 2012;36:2139-45 pubmed publisher
    ..The aim of this study is to compare complications after plate fixation and elastic stable intramedullary nailing (ESIN) with a titanium elastic nail (TEN) for DMCF...
  32. Buckley R, Mohanty K, Malish D. Lower limb malrotation following MIPO technique of distal femoral and proximal tibial fractures. Injury. 2011;42:194-9 pubmed publisher
  33. Spiegelberg B, Parratt T, Dheerendra S, Khan W, Jennings R, Marsh D. Ilizarov principles of deformity correction. Ann R Coll Surg Engl. 2010;92:101-5 pubmed publisher
    ..In this review article, the history of Ilizarov frame, the basic sciences behind it, the mechanical principles governing its use and the clinical use of the fixation system are discussed. ..
  34. Amanatullah D, Burrus M, Sathappan S, Levine B, Di Cesare P. Applying computer-assisted navigation techniques to total hip and knee arthroplasty. Am J Orthop (Belle Mead NJ). 2011;40:419-26 pubmed
    ..Improving implant alignment can be correlated with improved long-term clinical outcomes. However, despite emerging data, many surgeons remain wary of computer-assisted orthopedic surgery. ..
  35. Ferrari D, Libri R, Donzelli O. Trochanteroplasty to treat sequelae of septic arthritis of the hip in infancy. Case series and review of the literature. Hip Int. 2011;21:653-6 pubmed publisher
    ..Trochanteroplasty was indicated due to the absence of a valid alternative, and because it does not rule out the option of total hip arthroplasty at a later stage...
  36. Holme T, Henckel J, Cobb J, Hart A. Quantification of the difference between 3D CT and plain radiograph for measurement of the position of medial unicompartmental knee replacements. Knee. 2011;18:300-5 pubmed publisher
    ..This method offers a more reliable standard for the reporting of knee arthroplasty. ..
  37. Zeng Y, Wang Y, Zhu Z, Dai K. Effects of sex and lower extremity alignment on orientation of the knee joint line in knee surgery. Chin Med J (Engl). 2012;125:2126-31 pubmed
    ..We sought to determine whether the patients' sex and lower extremity alignment (hip-knee-ankle angle) affects proper knee realignment in osteotomy or component alignment in total knee arthroplasty...
  38. Roemer F, Nevitt M, Felson D, Niu J, Lynch J, Crema M, et al. Predictive validity of within-grade scoring of longitudinal changes of MRI-based cartilage morphology and bone marrow lesion assessment in the tibio-femoral joint--the MOST study. Osteoarthritis Cartilage. 2012;20:1391-8 pubmed publisher
    ..Within-grade changes in semiquantitative MRI assessment of cartilage and BMLs are valid and their use may increase the sensitivity of semiquantitative readings in detecting longitudinal changes in these structures. ..
  39. Siqueira C, Lahoz Moya G, Caffaro R, Fu C, Kohn A, Amorim C, et al. Misalignment of the knees: does it affect human stance stability. J Bodyw Mov Ther. 2011;15:235-41 pubmed publisher
    ..Knee hyperextension affected postural control as mean velocity was the highest in the hyperextended group in natural standing sensory condition and lowest with sensory disturbance. ..
  40. Koeck F, Beckmann J, Luring C, Rath B, Grifka J, Basad E. Evaluation of implant position and knee alignment after patient-specific unicompartmental knee arthroplasty. Knee. 2011;18:294-9 pubmed publisher
    ..Patient-specific fixed bearing unicompartmental knee arthroplasty can restore leg axis reliably, obtain a medial proximal tibial angle of 90°, avoid an implant mal-positioning and ensure maximal tibial coverage. ..
  41. Mazis G, Sakellariou V, Kanellopoulos A, Papagelopoulos P, Lyras D, Soucacos P. Results of extra-articular subtalar arthrodesis in children with cerebral palsy. Foot Ankle Int. 2012;33:469-74 pubmed publisher
    ..The purpose of the present study was to examine the long-term results of Grice-Green procedure and whether it can achieve significant correction of each of the components of pes planovalgus deformity...
  42. Krishan A, Peshin C, Singh D. Intramedullary nailing and plate osteosynthesis for fractures of the distal metaphyseal tibia and fibula. J Orthop Surg (Hong Kong). 2009;17:317-20 pubmed
    ..Plate osteosynthesis for the fibula provides additional stability even when a single distal locking bolt is used to fix the intramedullary nail to the tibia. ..
  43. Huang T, Hsu W, Peng K, Hsu R. Total knee replacement in patients with significant femoral bowing in the coronal plane: a comparison of conventional and computer-assisted surgery in an Asian population. J Bone Joint Surg Br. 2011;93:345-50 pubmed publisher
    ..9) vs 176.2° (SD 3.4), p < 0.001). Femoral bowing resulted in inaccuracy when a conventional technique was used. CAS-TKR provides an effective method of restoring the mechanical axis in the presence of significant femoral bowing. ..
  44. Ramme A, Smucker J. Balancing spinal stability and future mobility in the cervical spine: surgical treatment of a case of osteoblastoma with secondary aneurysmal bone cyst. Spine J. 2011;11:e5-12 pubmed publisher
    ..Complete resection has been shown to be the most effective method for preventing recurrence; however, balancing spinal stability, future mobility, and complete resection is especially important in active young patients...
  45. Carter A, Sheehan E, Mortazavi S, Purtill J, Sharkey P, Parvizi J. Revision for recurrent instability: what are the predictors of failure?. J Arthroplasty. 2011;26:46-52 pubmed publisher
    ..A total of 20.3% (12/59) of constrained liners failed. Isolated liner exchange, history of revision, and use of a 28-mm head were associated with failure in revision THA for instability. ..
  46. Worden A, Kaar S, Owen J, Cutuk A. Radiographic and Anatomic Evaluation of Tibial Tubercle to Trochlear Groove Distance. J Knee Surg. 2016;29:589-593 pubmed
    ..Radiographic measurement of TT-TG ration is not currently recommended. ..
  47. Peersman G, Taeymans K, Jans C, Vuylsteke P, Fennema P, Heyse T. Malrotation deformities of the lower extremity and implications on total knee arthroplasty: a narrative review. Arch Orthop Trauma Surg. 2016;136:1491-1498 pubmed
    ..Well-designed and well-conducted clinical studies are required to support our hypotheses. ..
  48. Clarius M, Becker J, Schmitt H, Seeger J. The UniSpacer™: correcting varus malalignment in medial gonarthrosis. Int Orthop. 2010;34:1175-9 pubmed publisher
    ..However, four of 19 knees had to be revised to a TKA or UKA due to persistent pain, which is an unacceptably high revision rate when looking at the alternative treatment options of medial osteoarthritis of the knee. ..
  49. Matsumura N, Ikegami H, Nakamichi N, Nakamura T, Nagura T, Imanishi N, et al. Effect of shortening deformity of the clavicle on scapular kinematics: a cadaveric study. Am J Sports Med. 2010;38:1000-6 pubmed publisher
    ..The results of this cadaveric study suggest that clavicular shortening of > or = 10% affects scapular kinematics and might produce clinical symptoms. ..
  50. Clarius M, Hauck C, Seeger J, Pritsch M, Merle C, Aldinger P. Correlation of positioning and clinical results in Oxford UKA. Int Orthop. 2010;34:1145-51 pubmed publisher
    ..We evaluated nine measures, and there was no detectable correlation between implant position and clinical result. However, long-term studies are needed before it is possible to elaborate an evidence-based guideline on positioning. ..
  51. Harvie P, Sloan K, Beaver R. Three-dimensional component alignment and functional outcome in computer-navigated total knee arthroplasty: a prospective, randomized study comparing two navigation systems. J Arthroplasty. 2011;26:1285-90 pubmed publisher
    ..Operative time for the ASM cohort was significantly less than the fully navigated cohort (P = .001). Both systems performed equally well, and therefore, surgeon preference should determine which system is used...
  52. Hohmann E, Bryant A, Reaburn P, Tetsworth K. Does posterior tibial slope influence knee functionality in the anterior cruciate ligament-deficient and anterior cruciate ligament-reconstructed knee?. Arthroscopy. 2010;26:1496-502 pubmed publisher
    ..The purpose of this study was to investigate the relation between knee functionality and posterior tibial slope in anterior cruciate ligament (ACL)-deficient and ACL-reconstructed patients...
  53. Higano Y, Hayami T, Omori G, Koga Y, Endo K, Endo N. The varus alignment and morphologic alterations of proximal tibia affect the onset of medial knee osteoarthritis in rural Japanese women: Case control study from the longitudinal evaluation of Matsudai Knee Osteoarthritis Survey. J Orthop Sci. 2016;21:166-71 pubmed publisher
    ..In addition, we thought that varus alignment due to the proximal tibia had influenced the morphologic alterations of proximal medial tibia. ..
  54. Koch P, Muller D, Pisan M, Fucentese S. Radiographic accuracy in TKA with a CT-based patient-specific cutting block technique. Knee Surg Sports Traumatol Arthrosc. 2013;21:2200-5 pubmed publisher
    ..Data of PSI are controversially discussed. The hypothesis of this paper is that the radiological accuracy of CT-based PSI is similar to the one of navigated TKA published in the literature...
  55. Munoz M, Augoyard R, Canovas F. Surgical treatment of hindfoot inflammatory diseases: 107 arthrodesis. Orthop Traumatol Surg Res. 2012;98:S85-90 pubmed publisher
    ..Indications for surgery are well codified. The various types of arthrodesis have never been assessed together on a large series. We here report a series that is substantial in numbers and in follow-up...
  56. Stief F, Böhm H, Schwirtz A, Dussa C, Döderlein L. Dynamic loading of the knee and hip joint and compensatory strategies in children and adolescents with varus malalignment. Gait Posture. 2011;33:490-5 pubmed publisher
    ..This suggests that children and adolescents with varus malalignment of the knee probably do not need to alter their spatio-temporal gait parameters in order to decrease knee joint loading...
  57. Silver Thorn B, Herrmann A, Current T, McGuire J. Effect of ankle orientation on heel loading and knee stability for post-stroke individuals wearing ankle-foot orthoses. Prosthet Orthot Int. 2011;35:150-62 pubmed publisher
    ..An ankle-foot orthosis (AFO) is commonly prescribed for individuals post stroke with this mobility impairment...
  58. Hiscox C, Bohm E, Turgeon T, Hedden D, Burnell C. Randomized trial of computer-assisted knee arthroplasty: impact on clinical and radiographic outcomes. J Arthroplasty. 2011;26:1259-64 pubmed publisher
    ..Rotational alignment of the components did not differ between groups. Computer-assisted surgery appeared to have minimal effect on knee implant arthroplasty with no improvement in limb alignment or early functional outcome...
  59. Pal S, Besier T, Draper C, Fredericson M, Gold G, Beaupre G, et al. Patellar tilt correlates with vastus lateralis: vastus medialis activation ratio in maltracking patellofemoral pain patients. J Orthop Res. 2012;30:927-33 pubmed publisher
    ..This suggests that a clinical intervention targeting vasti muscle activation imbalance may be effective only in PF pain subjects classified as maltrackers...
  60. Al Qattan M. A closed phalangeal neck fracture with 180-degree rotation of the phalangeal head and concurrent displaced Salter-Harris II fracture. Ann Plast Surg. 2012;69:35-7 pubmed publisher
    ..The blood supply of the phalangeal head in that scenario is discussed along with precautions that should be taken during open reduction and internal fixation to avoid avascular necrosis of the phalangeal head...
  61. Huelsemann W, Singer G, Mann M, Winkler F, Habenicht R. Analysis of Sequelae after Pediatric Phalangeal Fractures. Eur J Pediatr Surg. 2016;26:164-71 pubmed publisher
    ..However, a certain subset of fractures is associated with long-term sequelae such as osteonecrosis, physeal growth arrest, malunion, and malposition...
  62. Wang P, Su W, Jou I. Lateral Hindfoot Impingement After Nonunion of Fracture of the Lateral Process of the Talus. J Foot Ankle Surg. 2016;55:387-90 pubmed publisher
    ..We present the case of a patient with such an injury. The patient was treated operatively and was followed for 18 months. ..
  63. Matsushita T, Kuroda R, Kubo S, Mizuno K, Matsumoto T, Kurosaka M. Total knee arthroplasty combined with medial patellofemoral ligament reconstruction for osteoarthritic knee with preoperative valgus deformity and chronic patellar dislocation. J Arthroplasty. 2011;26:505.e17-20 pubmed publisher
    ..This clinical case indicates the usefulness of MPFL reconstruction for obtaining stable patellar tracking during total knee arthroplasty when a tendency for lateral patellar dislocation remains...
  64. Kuzyk P, Higgins G, Tunggal J, Sellan M, Waddell J, Schemitsch E. Computer navigation vs extramedullary guide for sagittal alignment of tibial components: radiographic study and meta-analysis. J Arthroplasty. 2012;27:630-7 pubmed publisher
    ..Meta-analysis of 10 studies found no reduction in outliers with computer navigation. Computer navigation offers greatest precision but does not reduce the number of outliers...
  65. Zhang F, Kumm J, Svensson F, Turkiewicz A, Frobell R, Englund M. Risk factors for meniscal body extrusion on MRI in subjects free of radiographic knee osteoarthritis: longitudinal data from the Osteoarthritis Initiative. Osteoarthritis Cartilage. 2016;24:801-6 pubmed publisher
    ..The results suggest that meniscal extrusion may contribute to and mediate the well-known increase in knee OA incidence in middle-aged women. ..
  66. Kuroyanagi Y, Nagura T, Kiriyama Y, Matsumoto H, Otani T, Toyama Y, et al. A quantitative assessment of varus thrust in patients with medial knee osteoarthritis. Knee. 2012;19:130-4 pubmed publisher
    ..The amount of thrust, which is able to be measured by simple inexpensive equipment, correlated to static and dynamic parameters and may offer an important clinical index for knee OA...
  67. Nam D, Dy C, Cross M, Kang M, Mayman D. Cadaveric results of an accelerometer based, extramedullary navigation system for the tibial resection in total knee arthroplasty. Knee. 2012;19:617-21 pubmed publisher
    ..The purpose of this study was to determine the accuracy and time associated with the use of an accelerometer based, extramedullary surgical navigation system for performing the tibial resection...
  68. Tanavalee A, Rojpornpradit T, Khumrak S, Ngarmukos S. The early results of gender-specific total knee arthroplasty in Thai patients. Knee. 2011;18:483-7 pubmed publisher
    ..We concluded that the GS femoral component did not provide better clinical outcomes than the standard femoral component; however, it provided surgical ease to minimize prosthesis overhanging in patients with narrow femoral condyles...
  69. Thangarajah T, Lakdawala A, Battaloglu E, Malik A, Tillu A. Lengthening z-osteotomy of the fibula to correct persistent talar shift following open reduction internal fixation of ankle fractures. Foot Ankle Spec. 2012;5:107-10 pubmed publisher
    ..In cases where ankle fracture union has been compromised by persistent syndesmotic diastasis following open reduction internal fixation, both external rotation and shortening of the fibula have been identified as prominent features...
  70. Siegele J, Horstmann T, Bunc V, Shifta P, Verle S, Niess A. [Relation between pelvis malposition and functional knee pain by long distance running]. Sportverletz Sportschaden. 2010;24:144-9 pubmed publisher
    ..During endurance run knee problems often appear. This study wants to show the connection between a one- sided malposition of the pelvis and knee joint pain during endurance running...
  71. Bae D, Song S, Yoon K, Shin S. The position of the tibial component affecting the postoperative mechanical axis in total knee arthroplasty. J Arthroplasty. 2010;25:1131-6 pubmed publisher
    ..3±1.2° in group A and varus 2.5±2.0° in group B (P=.004). We think that the medial position of tibial component in relation to the anatomical axis affects the measurement of postoperative mechanical axis in total knee arthroplasty...
  72. Brin Y, Nikolaou V, Joseph L, Zukor D, Antoniou J. Imageless computer assisted versus conventional total knee replacement. A Bayesian meta-analysis of 23 comparative studies. Int Orthop. 2011;35:331-9 pubmed publisher
    ..Imageless navigation when performing TKA improves component orientation and postoperative limb alignment. The clinical significance of these findings though has to be proven in the future...
  73. Daniilidis K, Tibesku C. Frontal plane alignment after total knee arthroplasty using patient-specific instruments. Int Orthop. 2013;37:45-50 pubmed publisher
    ..The current retrospective study was designed to determine whether PSI would lead to a hip-knee-ankle angle (HKA) within ±3° of the ideal alignment of 180°...
  74. Brooke B, Harris N, Morgan S. Fibula lengthening osteotomy to correct valgus mal-alignment following total ankle arthroplasty. Foot Ankle Surg. 2012;18:144-7 pubmed publisher
    ..We present a series of two cases of TAA, who developed post-operative valgus deformity requiring salvage procedure in the form of a fibula, lengthening osteotomy...
  75. Rosenbaum A, Leonard G, Uhl R, Mulligan M, Bagchi K. Radiologic case study. Diagnosis: congenital posterior dislocation of the radial head. Orthopedics. 2014;37:11, 62-3 pubmed publisher
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    ..This may be a consequence of Hueter-Volkmann's law. Restoration of mechanical alignment to neutral in these cases therefore may not be desirable and in fact unnatural for them...
  78. Renkawitz T, Sendtner E, Schuster T, Weber M, Grifka J, Woerner M. Femoral pinless length and offset measurements during computer-assisted, minimally invasive total hip arthroplasty. J Arthroplasty. 2014;29:1021-5 pubmed publisher
    ..4mm (± 3.6) for LL and -1.0 mm (± 3.9) for OS. Femoral pinless navigation technology represents a feasible assistance in THA...
  79. Blondel B, Schwab F, Patel A, Demakakos J, Moal B, Farcy J, et al. Sacro-femoral-pubic angle: a coronal parameter to estimate pelvic tilt. Eur Spine J. 2012;21:719-24 pubmed publisher
    ..There is a need to establish a coronal plane (better visualization) pelvic parameter which correlates closely with pelvic tilt...
  80. Ollivier M, Parratte S, Lecoz L, Flecher X, Argenson J. Relation between lower extremity alignment and proximal femur anatomy. Parameters during total hip arthroplasty. Orthop Traumatol Surg Res. 2013;99:493-500 pubmed publisher
    ..Lower extremity alignment correlates with native femoral offset. Eventual impact of the change in femoral offset induced by total hip arthroplasty (THA) on lower extremity alignment has not been documented...
  81. Victor J, Bassens D, Bellemans J, Gursu S, Dhollander A, Verdonk P. Constitutional varus does not affect joint line orientation in the coronal plane. Clin Orthop Relat Res. 2014;472:98-104 pubmed publisher
    ..It is important to further investigate the influence of this condition on the joint line orientation and how the latter is affected by the onset and progression of arthritis...
  82. Tsukeoka T, Lee T. Sagittal flexion of the femoral component affects flexion gap and sizing in total knee arthroplasty. J Arthroplasty. 2012;27:1094-9 pubmed publisher
    ..Intentional sagittal flexion of the femoral component by several degrees during TKA can be a useful downsizing technique for the femoral component without excessively increasing the flexion gap...
  83. Richter M. [Computer-assisted surgery (CAS)-guided correction arthrodesis of the ankle and subtalar joint with retrograde nail fixation]. Oper Orthop Traumatol. 2011;23:141-50 pubmed publisher
    ..Restoration of a stable and plantigrade foot in deformities of the ankle and/or hindfoot and concomitant degenerative changes at the ankle and subtalar joint...
  84. Matziolis G, Matziolis D, Perka C. Pre-operative frontal plane malalignment predicts the extension gap asymmetry in knee osteoarthritis. Int Orthop. 2012;36:79-82 pubmed publisher
    ..The present study examines whether extension gap asymmetry can be calculated from the pre-operative long standing X-ray...
  85. Johnson D. The benefits of customized patient instrumentation to lower-volume joint replacement surgeons: results from practice. Am J Orthop (Belle Mead NJ). 2011;40:13-6 pubmed
    ..For lower-volume/inexperienced surgeons, these advantages can be significant...
  86. Lee S, Shin R, Zingman A, Loona J, Posner M. Correlation of malrotation deformity in distal radius fractures with radiographic analysis: cadaveric study. J Hand Surg Am. 2010;35:228-32 pubmed publisher
    ..The purpose of this study was to define the appearance of distal fragment malrotation on conventional radiographs and to correlate varying degrees of malrotation with the corresponding radiographic findings...
  87. Hwang J, Oh J, Oh C, Yoon Y, Choi H. Mismatch of anatomically pre-shaped locking plate on Asian femurs could lead to malalignment in the minimally invasive plating of distal femoral fractures: a cadaveric study. Arch Orthop Trauma Surg. 2012;132:51-6 pubmed publisher
    ..However, the LCP-DF was developed based on skeletal measurements in Caucasians. It is unknown whether the LCP-DF fits Asians...
  88. Choi W, Kim B, Lee J. Preoperative planning and surgical technique: how do I balance my ankle?. Foot Ankle Int. 2012;33:244-9 pubmed
    ..Mediolateral ligament balancing is crucial for long-term success and patient satisfaction...
  89. Masse A, Aprato A, Grappiolo G, Turchetto L, Campacci A, Ganz R. Surgical hip dislocation for anatomic reorientation of slipped capital femoral epiphysis: preliminary results. Hip Int. 2012;22:137-44 pubmed publisher
    ..The small number of technical complications appears favourable considering the surgical complexity of the procedure, and our technique offers clear advantages in treating these complex deformities...