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Article: Femoral Radiographic Landmarks for Popliteus Tendon Reconstruction and Repair: A new method of reference

TitleFemoral Radiographic Landmarks for Popliteus Tendon Reconstruction and Repair: A new method of reference
Authors
Issue Date2014
PublisherSage.
Citation
The American Journal of Sports Medicine, 2014, v. 42, p. 394 - 398 How to Cite?
AbstractBackground: Although the popliteus muscle-tendon complex is one of the most important structures in controlling posterolateral rotatory stability of the knee, not much literature has been reported concerning the use of femoral radiographic landmarks of the popliteus tendon in repair and reconstruction. Hypothesis: By using standardized radiographic techniques, the femoral insertion of the popliteus tendon could be more pre- cisely determined by the Blumensaat line than by the extension line of the posterior cortex. Study Design: Descriptive laboratory study. Methods: Ten fresh-frozen human knees were dissected, and the popliteus tendon was exposed. After identification of the fem- oral insertion site of the popliteus tendon, the insertion’s center was indicated with a radiographic marker. True lateral radiographs of the distal femur were taken, and the digital radiographic images were analyzed by 2 independent observers. Results: The femoral insertion site of the popliteus tendon was found to be a mean 47.5% 6 5.2% across the width of the femoral condyle, 60.7% 6 7.8% along the perpendicular bisector of the Blumensaat line, 0.3 6 1.7 mm posterior to the extension line of the posterior femoral cortex, and 20.5 6 3.8 mm distal to the perpendicular line at the Blumensaat point. The variance from the mean point by using the Blumensaat line as a reference was significantly smaller than by using the extension line of the posterior cortex (mean, 2.6 vs 3.6 mm; P = .044). Conclusion: A reproducible anatomic and radiographic reference point for the femoral insertion of the popliteus tendon can be determined using standardized radiographic techniques and can be more precisely determined by the Blumensaat line compared with the extension line of the posterior femoral cortex. Clinical Relevance: This radiographic information provides an adjunctive tool for preoperative, intraoperative, and postoperative assessments of surgical repair and reconstruction of the popliteus tendon. Keywords: popliteus tendon; posterolateral corner; fluoroscopy; posterolateral rotatory instability
Persistent Identifierhttp://hdl.handle.net/10722/203189
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorFok, AWMen_US
dc.contributor.authorKuang, Gen_US
dc.contributor.authorYau, WPen_US
dc.date.accessioned2014-09-19T13:08:27Z-
dc.date.available2014-09-19T13:08:27Z-
dc.date.issued2014en_US
dc.identifier.citationThe American Journal of Sports Medicine, 2014, v. 42, p. 394 - 398en_US
dc.identifier.urihttp://hdl.handle.net/10722/203189-
dc.description.abstractBackground: Although the popliteus muscle-tendon complex is one of the most important structures in controlling posterolateral rotatory stability of the knee, not much literature has been reported concerning the use of femoral radiographic landmarks of the popliteus tendon in repair and reconstruction. Hypothesis: By using standardized radiographic techniques, the femoral insertion of the popliteus tendon could be more pre- cisely determined by the Blumensaat line than by the extension line of the posterior cortex. Study Design: Descriptive laboratory study. Methods: Ten fresh-frozen human knees were dissected, and the popliteus tendon was exposed. After identification of the fem- oral insertion site of the popliteus tendon, the insertion’s center was indicated with a radiographic marker. True lateral radiographs of the distal femur were taken, and the digital radiographic images were analyzed by 2 independent observers. Results: The femoral insertion site of the popliteus tendon was found to be a mean 47.5% 6 5.2% across the width of the femoral condyle, 60.7% 6 7.8% along the perpendicular bisector of the Blumensaat line, 0.3 6 1.7 mm posterior to the extension line of the posterior femoral cortex, and 20.5 6 3.8 mm distal to the perpendicular line at the Blumensaat point. The variance from the mean point by using the Blumensaat line as a reference was significantly smaller than by using the extension line of the posterior cortex (mean, 2.6 vs 3.6 mm; P = .044). Conclusion: A reproducible anatomic and radiographic reference point for the femoral insertion of the popliteus tendon can be determined using standardized radiographic techniques and can be more precisely determined by the Blumensaat line compared with the extension line of the posterior femoral cortex. Clinical Relevance: This radiographic information provides an adjunctive tool for preoperative, intraoperative, and postoperative assessments of surgical repair and reconstruction of the popliteus tendon. Keywords: popliteus tendon; posterolateral corner; fluoroscopy; posterolateral rotatory instabilityen_US
dc.languageengen_US
dc.publisherSage.en_US
dc.relation.ispartofThe American Journal of Sports Medicineen_US
dc.titleFemoral Radiographic Landmarks for Popliteus Tendon Reconstruction and Repair: A new method of referenceen_US
dc.typeArticleen_US
dc.identifier.emailFok, AWM: augustf@hku.hken_US
dc.identifier.emailKuang, G: kuanggm@connect.hku.hken_US
dc.identifier.emailYau, WP: peterwpy@hkucc.hku.hken_US
dc.identifier.authorityYau, WP=rp00500en_US
dc.identifier.doi10.1177/0363546513510388en_US
dc.identifier.pmid24284047-
dc.identifier.hkuros236650en_US
dc.identifier.volume42en_US
dc.identifier.spage394en_US
dc.identifier.epage398en_US
dc.identifier.isiWOS:000336218900022-

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