Umile Giuseppe Longo1, Giacomo Rizzello1, Francesco Frnaceschi1, Stefano Campi1, Nicola Maffulli2, Vincenzo Denaro1. 1. Department of Orthopaedic and Trauma Surgery, Campus Bio-Medico University, Via Alvaro del Portillo, 200, Trigoria, 00128 Rome, Italy; CIR (Centro Integrato di Ricerca), Campus Biomedico University, Via Alvaro del Portillo, 21, Trigoria, 00128 Rome, Italy. 2. Centre for Sports and Exercise Medicine, Barts and The London School of Medicine and Dentistry Mile End Hospital, 275 Bancroft Road, London E1 4DG, England, United Kingdom. Electronic address: n.maffulli@qmul.ac.uk.
Abstract
BACKGROUND: We undertook a cross-sectional study to evaluate the pennation angle and muscle thickness of the vastus lateralis muscle in patients undergoing unilateral anterior cruciate ligament (ACL) reconstruction with bone-patellar tendon-bone autograft, and compared these values with the contralateral non-operated limb. METHODS: Twenty three consecutive athletic males who underwent ACL reconstruction using the central third of the patellar ligament were evaluated at 25.9±1.5 months. The International Knee Documentation Committee (IKDC) score was administered, and angles of pennation and muscle thickness were measured by ultrasonography. RESULTS: There was no significant difference in the pennation angle of the operated leg comparing to the contralateral leg (12.5°±1.81° in the operated leg; 13.25°±2.40° after the test; p=0.117). Quadriceps thickness in the operated leg was significantly decreased in all subjects compared to the contralateral leg (28.4±5.3mm in the operated leg; 32.7±4.85 mm in the contralateral leg; p=0.007). CONCLUSIONS: Two years after surgery, there is no difference in pennation angle of the vastus lateralis when compared to the contralateral side in patients undergoing unilateral ACL reconstruction with bone-patellar tendon-bone autograft. There is a significant difference in quadriceps muscle thickness, which was less in the operated side on the operated side in all patients. Further studies are required to study the influence of muscle architecture on clinical outcome after ACL reconstruction surgery, and whether there are differences associated with the use of different grafts. LEVEL OF EVIDENCE: Case-control study; level IV.
BACKGROUND: We undertook a cross-sectional study to evaluate the pennation angle and muscle thickness of the vastus lateralis muscle in patients undergoing unilateral anterior cruciate ligament (ACL) reconstruction with bone-patellar tendon-bone autograft, and compared these values with the contralateral non-operated limb. METHODS: Twenty three consecutive athletic males who underwent ACL reconstruction using the central third of the patellar ligament were evaluated at 25.9±1.5 months. The International Knee Documentation Committee (IKDC) score was administered, and angles of pennation and muscle thickness were measured by ultrasonography. RESULTS: There was no significant difference in the pennation angle of the operated leg comparing to the contralateral leg (12.5°±1.81° in the operated leg; 13.25°±2.40° after the test; p=0.117). Quadriceps thickness in the operated leg was significantly decreased in all subjects compared to the contralateral leg (28.4±5.3mm in the operated leg; 32.7±4.85 mm in the contralateral leg; p=0.007). CONCLUSIONS: Two years after surgery, there is no difference in pennation angle of the vastus lateralis when compared to the contralateral side in patients undergoing unilateral ACL reconstruction with bone-patellar tendon-bone autograft. There is a significant difference in quadriceps muscle thickness, which was less in the operated side on the operated side in all patients. Further studies are required to study the influence of muscle architecture on clinical outcome after ACL reconstruction surgery, and whether there are differences associated with the use of different grafts. LEVEL OF EVIDENCE: Case-control study; level IV.
Authors: Brian Noehren; Anders Andersen; Peter Hardy; Darren L Johnson; Mary Lloyd Ireland; Katherine L Thompson; Bruce Damon Journal: J Bone Joint Surg Am Date: 2016-09-21 Impact factor: 5.284
Authors: Jose L Martin-Alguacil; Manuel Arroyo-Morales; Jose Luis Martin-Gómez; Mario Lozano-Lozano; Noelia Galiano-Castillo; Irene Cantarero-Villanueva Journal: Acta Orthop Traumatol Turc Date: 2019-06-12 Impact factor: 1.511
Authors: Christa M Nelson; Victoria Marchese; Kelly Rock; Robert M Henshaw; Odessa Addison Journal: Front Pediatr Date: 2020-06-16 Impact factor: 3.569