Woodlands Sports Medicine Center

The Woodlands, TX, United States

Woodlands Sports Medicine Center

The Woodlands, TX, United States

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Hwang M.D.,Portland Clinic | Piefer J.W.,Woodlands Sports Medicine Center | Lubowitz J.H.,Taos Orthopaedic Institute
Arthroscopy - Journal of Arthroscopic and Related Surgery | Year: 2012

Purpose: The purpose of this study was to systematically review current arthroscopic and related literature and to characterize the anatomic centrum of the anterior cruciate ligament (ACL) tibial footprint. Methods: On January 31, 2011, 2 independent reviewers performed a Medline search using the terms "anterior cruciate ligament" or "ACL," "tibia" or "tibial," and "anatomy" or "footprint." We included anatomic, cadaveric, and radiographic studies of adult, human, ACL tibial anatomy. Studies not published in the English language, studies published before January 1, 2000, and review articles were excluded. References of included articles were also searched according to our inclusion/exclusion criteria. Included studies were subjectively synthesized, to define the anatomic centrum of the ACL tibial footprint. Results: The Medline search produced 1,224 articles. After application of our inclusion and exclusion criteria and additional search of article references, 19 articles were included and systematically reviewed. With regard to arthroscopically relevant landmarks, (1) in the anterior-to-posterior plane, the anatomic centrum of the ACL tibial footprint as a whole is 15 mm anterior to the posterior cruciate ligament (PCL), the anatomic centrum of the anteromedial bundle is 20 mm anterior to the PCL, and the anatomic centrum of the posterolateral bundle is 11 mm anterior to the PCL and (2) in the medial-to-lateral (ML) plane, the anatomic centrum of the ACL tibial footprint as a whole is two-fifths the ML width of the interspinous distance, the anatomic centrum of the anteromedial bundle is one-half the ML width of the interspinous distance, and the anatomic centrum of the posterolateral bundle is one-fourth the ML width of the interspinous distance. Conclusions: Our results show that the anatomic centrum of the ACL tibial footprint is 15 mm anterior to the PCL and two-fifths the ML width of the interspinous distance. Clinical Relevance: This systematic review of basic science studies may have clinical relevance for surgeons who believe that anatomic ACL reconstruction can result in improved outcomes. © 2012 Arthroscopy Association of North America.


Piefer J.W.,Woodlands Sports Medicine Center | Pflugner T.R.,Taos Orthopaedic Institute | Hwang M.D.,Portland Clinic | Lubowitz J.H.,Taos Orthopaedic Institute
Arthroscopy - Journal of Arthroscopic and Related Surgery | Year: 2012

Purpose: The purpose of our study was to systematically review current arthroscopic and related literature and to characterize the anatomic centrum of the anterior cruciate ligament (ACL) femoral footprint. Methods: On June 2, 2011, 2 independent reviewers performed a Medline search using the terms "anterior cruciate ligament" or "ACL," "femur" or "femoral," and "anatomy" or "origin" or "footprint." We included anatomic, cadaveric, and radiographic studies of adult, human, ACL femoral anatomy. Studies not published in the English language, studies published before January 1, 2000, and review articles were excluded. References of included articles were also searched according to our inclusion/exclusion criteria. Included studies were subjectively and quantitatively synthesized to define the anatomic centrum of the ACL femoral footprint. Results: The Medline search produced 533 articles. After application of inclusion and exclusion criteria and reference search, 20 articles were included and systematically reviewed. With regard to arthroscopically measurable landmarks, the anatomic centrum of the ACL femoral footprint is, on average, (1) in the sagittal plane, 43% of the distance from the proximal articular margin (arthroscopically visualized osteochondral junction) to the distal articular margin on the lateral wall of the intercondylar notch, and (2) in the axial plane, socket radius plus 2.5 mm anterior to the posterior articular margin, with a 2.5-mm rim of bone between the posterior ACL fibers and the posterior articular cartilage margin. Conclusions: Our results show that the anatomic centrum of the ACL femoral footprint is 43% of the proximal-to-distal length of lateral, femoral intercondylar notch wall and femoral socket radius plus 2.5 mm anterior to the posterior articular margin. Clinical Relevance: This systematic review of basic science studies may have clinical relevance for surgeons who believe that anatomic ACL reconstruction can result in improved outcomes. © 2012 Arthroscopy Association of North America.


PubMed | Woodlands Sports Medicine Center
Type: Journal Article | Journal: Arthroscopy : the journal of arthroscopic & related surgery : official publication of the Arthroscopy Association of North America and the International Arthroscopy Association | Year: 2012

The purpose of our study was to systematically review current arthroscopic and related literature and to characterize the anatomic centrum of the anterior cruciate ligament (ACL) femoral footprint.On June 2, 2011, 2 independent reviewers performed a Medline search using the terms anterior cruciate ligament or ACL, femur or femoral, and anatomy or origin or footprint. We included anatomic, cadaveric, and radiographic studies of adult, human, ACL femoral anatomy. Studies not published in the English language, studies published before January 1, 2000, and review articles were excluded. References of included articles were also searched according to our inclusion/exclusion criteria. Included studies were subjectively and quantitatively synthesized to define the anatomic centrum of the ACL femoral footprint.The Medline search produced 533 articles. After application of inclusion and exclusion criteria and reference search, 20 articles were included and systematically reviewed. With regard to arthroscopically measurable landmarks, the anatomic centrum of the ACL femoral footprint is, on average, (1) in the sagittal plane, 43% of the distance from the proximal articular margin (arthroscopically visualized osteochondral junction) to the distal articular margin on the lateral wall of the intercondylar notch, and (2) in the axial plane, socket radius plus 2.5 mm anterior to the posterior articular margin, with a 2.5-mm rim of bone between the posterior ACL fibers and the posterior articular cartilage margin.Our results show that the anatomic centrum of the ACL femoral footprint is 43% of the proximal-to-distal length of lateral, femoral intercondylar notch wall and femoral socket radius plus 2.5 mm anterior to the posterior articular margin.This systematic review of basic science studies may have clinical relevance for surgeons who believe that anatomic ACL reconstruction can result in improved outcomes.

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