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Minoli C, Travi M, Monti C, Ferrua P, Puce M, Radaelli S, Menon A, Tassi AL, Randelli PS. A fast, easy and reliable method for hamstrings graft size prediction in anterior cruciate ligament reconstruction. Knee Surg Sports Traumatol Arthrosc 2023; 31:4430-4436. [PMID: 37468620 PMCID: PMC10471637 DOI: 10.1007/s00167-023-07510-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 07/07/2023] [Indexed: 07/21/2023]
Abstract
PURPOSE The aim of this study is to describe and validate a simple and reliable method to pre-operatively predict the size of the ACL graft in the double strand technique with autologous semitendinosus-gracilis tendons on the same MRI used for ACL rupture diagnosis. METHODS The study included 92 patients, with a median age of 31 years (IQR 26-41 years), 73/92 (79%) of whom were males. All patients that underwent an ACL reconstruction with doubled ST + GT between 2017 and 2022 were counted in the study. RESULTS Overall, the median predicted graft diameter from MR imaging was similar to the actual graft diameter with no significant differences (n.s.). Regarding the comparison between predicted and actual graft size, concordance was 78/92 (85%, 95% CI 76-91%), with κ = 0.797 which corresponds to a level of agreement defined as "Strong". Tendon sizes calculated on pre-operative MRI were evaluated both with intra-observer and inter-observer reliability demonstrating a statistically reproducible method. The predicted graft was then compared to the reported one with a statistically significant reliability found. CONCLUSION This study can help the surgeons to perform a fast pre-operative planning of an ACL reconstruction for graft selection. If the planned graft with ST and GT is smaller than 8 mm, the clinician can decide to switch to a different type of graft or plan a different graft preparing technique and, therefore, reduce the risk of post-operative ligament re-rupture. The method proposed is reliable and reproducible. The major strength of the planning technique proposed is that it relies on data that are already available for the clinician before surgery, without the need of further analysis. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- C Minoli
- U.O.C. Week Surgery, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
- Scuola di Specializzazione in Ortopedia e Traumatologia, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milan, Italy
| | - M Travi
- Department of Reconstructive Surgery of Osteo-Articular Infections, IRCCS Istituto Ortopedico Galeazzi, 20100, Milan, Italy
- Scuola di Specializzazione in Ortopedia e Traumatologia, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milan, Italy
| | - C Monti
- MD PhD, Post-Graduation School in Radiodiagnostics Università degli Studi di Milano, Milan, Italy
| | - P Ferrua
- U.O.C. 1 Clinica ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
- Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy
| | - Marco Puce
- U.O.C. Week Surgery, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy.
- Scuola di Specializzazione in Ortopedia e Traumatologia, Università degli Studi di Milano, Via Festa del Perdono 7, 20122, Milan, Italy.
| | - S Radaelli
- U.O.C. Week Surgery, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
| | - A Menon
- U.O.C. 1 Clinica ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
- Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy
- Scuola di Specializzazione in Statistica Sanitaria e Biometria, Dipartimento di Scienze Cliniche e di Comunità, Università degli Studi di Milano, Milan, Italy
| | - A L Tassi
- U.O.C. Week Surgery, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
| | - P S Randelli
- U.O.C. 1 Clinica ortopedica, ASST Centro Specialistico Ortopedico Traumatologico Gaetano Pini-CTO, Piazza Cardinal Ferrari 1, 20122, Milan, Italy
- Laboratory of Applied Biomechanics, Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy
- Research Center for Adult and Pediatric Rheumatic Diseases (RECAP-RD), Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy
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Huang XL, Zheng HY, Yang HH, Shi ZF, Zhang B, Lan B, Wang H, Tan RX. Application of human data to predict hamstring tendon autograft diameter in Zhuang population. Int J Rheum Dis 2023; 26:464-470. [PMID: 36575870 DOI: 10.1111/1756-185x.14545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/27/2022] [Accepted: 12/11/2022] [Indexed: 12/29/2022]
Abstract
BACKGROUND To explore the value of human data from the Zhuang population via predicting the diameter of the hamstring tendon autograft in anterior cruciate ligament (ACL) reconstruction and determining the feasibility of preoperative ultrasound for prediction. METHODS In total, 24 Zhuang patients who underwent ACL reconstruction with a 4-strand semitendinosus and gracilis tendon autograft (4 S-STG) were enrolled in this study. Before the operation, the affected semitendinosus tendon (ST) was examined by ultrasonography, and its length, diameter, cross-sectional area, and circumference were measured. The patients' basic information and body data, ie, height, weight, body mass index, lower limb length injured, and thigh circumference injured, were recorded. Their ST and gracilis tendon lengths and diameters and 4 S-STG diameter were measured during the operation. A correlation analysis was conducted between the ultrasound measurement results and human data and intraoperative tendon measurements. RESULTS The ST diameter measured by ultrasound was correlated with the ST length and ST diameter measured during operation, and the ST circumference measured by ultrasound was correlated with the ST diameter measured during operation. The patients' body weight can be used to distinguish a 4 S-STG diameter of ≥8 mm (P < .01, mean difference = 11.59). The area under the receiver operating characteristic curve of body weight was 0.829. The final graft diameter ≥8 mm could be predicted with a body weight of 61.5 kg as the cutoff point; the sensitivity and specificity were 72.2% and 83.3%, respectively. CONCLUSION In Zhuang patients undergoing ACL reconstruction with 4 S-STG, body weight more accurately predicted graft diameter than preoperative semitendinosus diameter.
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Affiliation(s)
- Xiao-Li Huang
- Jinan University, Guangzhou, China.,Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hong-Yu Zheng
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hui-Hui Yang
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Ze-Feng Shi
- Department of Orthopedic, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Bing Zhang
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Bei Lan
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hong Wang
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Ru-Xin Tan
- Department of Ultrasound, People's Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
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Kremen TJ, Arnold MT, Trivellas M, Shi BY, Jones KJ, Garcia-Mansilla I. Combined Assessments of Patellar Tendon and Hamstring Tendon Parameters on Preoperative Magnetic Resonance Imaging Can Improve Predictability of Hamstring Tendon Autograft Diameter in the Setting of Anterior Cruciate Ligament Reconstruction. Arthrosc Sports Med Rehabil 2022; 4:e1913-e1921. [PMID: 36579048 PMCID: PMC9791872 DOI: 10.1016/j.asmr.2022.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/27/2022] [Indexed: 12/31/2022] Open
Abstract
Purpose To evaluate whether preoperative magnetic resonance imaging (MRI) measurements of multiple tendon autograft sources could be used to improve estimates of intraoperative hamstring tendon autograft (HTA) diameter. Methods Patients who underwent anterior cruciate ligament reconstruction with HTA at our institution were identified through electronic health records. Preoperative MRI tendon measurements of the patellar tendon (PT) length, PT width, PT thickness, quadriceps tendon thickness, semitendinosus tendon (ST) cross-sectional area (CSA), and gracilis tendon (GT) CSA were conducted by 2 independent evaluators using digital imaging measurement tools. Results A total of 53 patients met the inclusion criteria, with a mean HTA diameter of 7.98 ± 0.7 mm. Height greater than 1.63 m, weight greater than 63.4 kg, PT length greater than 4.2 cm, PT thickness greater than 0.33 cm, ST CSA greater than 10.8 mm2, and GT CSA greater than 6.3 mm2 were associated with an HTA of 8 mm or greater (P < .005). Female sex was associated with an HTA of less than 8 mm (P < .05). PT length, PT thickness, and GT CSA were the strongest predictors of an HTA of 8 mm or greater and were combined into an additive logistic regression model: Score = -23.24 + (1.68 × PT length) + (20.104 × PT thickness) + (1.48 × GT CSA). If the score was greater than 0.237, the HTA graft diameter was predicted to be 8 mm or greater with 83% specificity, 91% sensitivity, and 87% accuracy. Conclusions By combining PT length and PT thickness measurements with GT CSA measurements in a logit function model, we were able to show improved overall specificity, sensitivity, and accuracy of estimated HTA diameters in our data set when compared with assessments of anthropometric, ST CSA, GT CSA, or combined ST-GT CSA measurements in isolation. Clinical Relevance Preoperative MRI measurements may be used to screen whether a patient is likely to have an 8-mm graft in the setting of anterior cruciate ligament reconstruction with HTA and thus may help guide graft choice.
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Affiliation(s)
- Thomas J. Kremen
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA,Address correspondence to Thomas J. Kremen Jr, M.D., Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, 1225 15th St, Ste 2100, Santa Monica, CA 90404, USA
| | - Michael T. Arnold
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Myra Trivellas
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Brendan Y. Shi
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
| | - Kristofer J. Jones
- Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
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Huang XL, Zheng HY, Shi ZF, Yang HH, Zhang B, Yang XC, Wang H, Tan RX. Predicting autologous hamstring graft diameter and finding reliable measurement levels in the Zhuang population using preoperative ultrasonography. Front Physiol 2022; 13:916438. [PMID: 36091377 PMCID: PMC9448865 DOI: 10.3389/fphys.2022.916438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Purpose: To evaluate the feasibility of using ultrasonography to preoperatively predict the autologous hamstring graft diameter for anterior cruciate ligament (ACL) reconstruction in the Zhuang population and determine a reliable measurement level using ultrasound. Methods: Twenty-four Zhuang patients who were scheduled for ACL reconstruction using four-strand semitendinosus tendon (ST) and gracilis tendon (G) (4S-STG) autografts were included in this study. Ultrasonographic examinations of the ST and the G on the damaged side were conducted before the operation. We recorded the transverse diameter (TD), anterior–posterior diameter (APD), cross-sectional area (CSA), and perimeter (P) of the tendons. The measurements were obtained from two levels of the tendons: the widest point of the medial femoral epicondyle (level 1) and the myotendinous junction of the sartorius (level 2). We also calculated the combined (ST + G) TD, APD, CSA, and p values. Then, we obtained the intraoperative measurements. The correlation between the ultrasonic and intraoperative measurements was analyzed, and the advantages of the ultrasonic measurements at the two different levels were compared. Results: When we measured at level 1, we found that part of the ultrasonic measurements were correlated with intraoperative measurements. The preoperative CSA of the G (P-GCSA) can be used to distinguish a 4S-STG autograft diameter of ≥8 mm (p < 0.01, mean difference = 3.7). The area under the P-GCSA curve was 0.801 (p < 0.05). A P-GCSA of 8.5 mm2 could be used to predict a 4S-STG autograft diameter of ≥8 mm with a sensitivity of 61.1% and specificity of 83.3%. However, there was no correlation between the ultrasonic and intraoperative measurements at level 2. Conclusion: Preoperative ultrasound can be used to predict the sufficient diameter of 4S-STG autografts when considering patients from Zhuang who are undergoing ACL reconstruction. The ultrasonic measurement should be obtained at the widest point of the medial femoral epicondyle.
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Affiliation(s)
- Xiao-Li Huang
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hong-Yu Zheng
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
- *Correspondence: Hong-Yu Zheng,
| | - Ze-Feng Shi
- Department of Orthopedic, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hui-Hui Yang
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Bing Zhang
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Xiao-Chun Yang
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Hong Wang
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
| | - Ru-Xin Tan
- Department of Ultrasound, People’s Hospital of Guangxi Zhuang Autonomous Region, Guangxi Academy of Medical Sciences, Nanning, China
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Lee TM, Wu WT, Chiu YH, Chang KV, Özçakar L. Ultrasound Imaging in Predicting the Autograft Size in Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis. J Clin Med 2022; 11:3876. [PMID: 35807157 PMCID: PMC9267791 DOI: 10.3390/jcm11133876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/23/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022] Open
Abstract
Anterior cruciate ligament (ACL) reconstruction is widely used to restore knee stability after injury, but the risk of revision surgery increases when the autograft size is inadequate. Ultrasound (US) measurements of preoperative target tendons have been applied to predict the intraoperative autograft size, with various outcomes across different studies. This systematic review and meta-analysis aimed to summarize the evidence and investigate the usefulness of US in predicting autograft size. Electronic databases were searched for relevant studies from inception to 19 January 2022. The primary outcome was the correlation between the preoperative US measurements of donor tendons and intraoperative autograft size. The secondary outcomes encompassed the predictive performance of US for autograft size and the comparison between US and magnetic resonance imaging (MRI) for preoperative tendon measurements. Nine studies, comprising 249 patients, were enrolled. The preoperative US measurements of the donor tendons demonstrated a significant positive correlation with their intraoperative autograft diameter, with a pooled correlation coefficient of 0.443 (95% confidence interval [CI], 0.266−0.591, p < 0.001) for the gracilis and semitendinosus autograft, 0.525 (95% CI, 0.114−0.783, p = 0.015) for the semitendinosus autograft, and 0.475 (95% CI, 0.187−0.687, p = 0.002) for the gracilis autograft. The pooled sensitivity and specificity of US imaging in predicting the autograft diameter were 0.83 (95% CI 0.57−0.95) and 0.70 (95% CI, 0.36−0.91), respectively. Moreover, no significant differences were observed between US and MRI measurements in predicting the sizes of the gracilis and semitendinosus autografts. Preoperative US measurements of the target tendons were moderately correlated with the intraoperative autograft size. US imaging has a discriminative performance similar to that of MRI in predicting the autograft size. A standardized US scanning protocol is needed for future studies to minimize the variations in tendon measurements across different investigators and increase the comparability of US imaging with intraoperative findings.
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Affiliation(s)
- Tsung-Min Lee
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei 10051, Taiwan; (T.-M.L.); (W.-T.W.); (Y.-H.C.)
| | - Wei-Ting Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei 10051, Taiwan; (T.-M.L.); (W.-T.W.); (Y.-H.C.)
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei 10845, Taiwan
| | - Yi-Hsiang Chiu
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei 10051, Taiwan; (T.-M.L.); (W.-T.W.); (Y.-H.C.)
| | - Ke-Vin Chang
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei 10051, Taiwan; (T.-M.L.); (W.-T.W.); (Y.-H.C.)
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei 10845, Taiwan
- Center for Regional Anesthesia and Pain Medicine, Wang-Fang Hospital, Taipei Medical University, Taipei 11031, Taiwan
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara 06230, Turkey;
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Wu WT, Lee TM, Mezian K, Naňka O, Chang KV, Özçakar L. Ultrasound Imaging of the Anterior Cruciate Ligament: A Pictorial Essay and Narrative Review. ULTRASOUND IN MEDICINE & BIOLOGY 2022; 48:377-396. [PMID: 34949491 DOI: 10.1016/j.ultrasmedbio.2021.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 10/12/2021] [Accepted: 11/04/2021] [Indexed: 06/14/2023]
Abstract
Ultrasound has been extensively applied to the diagnosis of and guided interventions for knee disorders. However, although it is commonly affected during sports injuries, the anterior cruciate ligament (ACL) is not usually incorporated in the majority of ultrasound scanning protocols. In the past, because of its oblique trajectory and deeper location, the ACL was considered to be a challenging structure for ultrasound imaging. Owing to advances in ultrasound technology and knowledge of knee sono-anatomy, an increasing number of studies are investigating the clinical value of ultrasound in the diagnosis and management of ACL injuries. In this regard, the present review aims to elaborate on the sono-anatomy of the ACL, to summarize the evidence for ultrasound imaging for ACL lesions and to investigate whether it is useful in the pre-operative preparation and post-operative follow-up of ACL reconstruction.
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Affiliation(s)
- Wei-Ting Wu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Tsung-Min Lee
- Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Kamal Mezian
- Department of Rehabilitation Medicine, First Faculty of Medicine and General University Hospital, Charles University in Prague, Prague, Czech Republic
| | - Ondřej Naňka
- Institute of Anatomy, First Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
| | - Ke-Vin Chang
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan; Department of Physical Medicine and Rehabilitation, National Taiwan University College of Medicine, Taipei, Taiwan; Center for Regional Anesthesia and Pain Medicine, Wang-Fang Hospital, Taipei Medical University, Taipei, Taiwan.
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey
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Pérez-Mozas M, Payo-Ollero J, Montiel-Terrón V, Valentí-Nin J, Valentí-Azcárate A. Preoperative prediction of autologous hamstring graft diameter in anterior cruciate ligament reconstruction. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020. [DOI: 10.1016/j.recote.2020.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Pérez-Mozas M, Payo-Ollero J, Montiel-Terrón V, Valentí-Nin JR, Valentí-Azcárate A. Preoperative prediction of autologous hamstring graft diameter in anterior cruciate ligament reconstruction. Rev Esp Cir Ortop Traumatol (Engl Ed) 2020; 64:310-317. [PMID: 32561207 DOI: 10.1016/j.recot.2020.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 04/17/2020] [Accepted: 04/27/2020] [Indexed: 10/24/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Currently, there is no stablished pre-operative model that helps the orthopaedic surgeon predict the final graft diameter in anterior cruciate ligament reconstruction (ACLR). The purpose of this study was to determine whether there is a correlation between semitendinosus (ST) and gracilis (GT) cross-sectional area (CSA) evaluated pre-operatively in mm2 using magnetic resonance imaging (MRI) and the final intra-operative ST-GT autograft diameter in mm2. METHODS A retrospective study was designed, 89 patients undergoing ACLR with hamstring autograft participated. We analysed ST-CSA (mm2) and GT-CSA (mm2) using pre-operative MRI, intra-operative autograft diameter, age, sex, side of the injury, weight, height and body mass index (BMI). RESULTS A moderate-strong correlation was identified between final autograft diameter and ST-GT CSA in MRI (Pearson correlation coefficient .6911 P<.001). We observed that, if the combination of ST-CSA and GT-STA is at least 19mm2, the probability of obtaining an autograft with a diameter greater than or equal to 8mm is 91.8% or more. The ROC curve analysis demonstrated, in this model, that this predictive method on MRI correctly discriminates in over 95.6% of cases between achieving or otherwise an autograft greater than or equal to 8mm during surgery. Intra and interobserver concordance of the MRI measurements were excellent, as shown in the intraobserver intraclass correlation coefficient (CCI) of .79 and the interobserver CCI of .84 and .77 for the ST and GT respectively. CONCLUSIONS Preoperative determinations of ST-CSA and GT-CSA (mm2) using MRI correlate with the final autograft diameter. This method represents a reliable and reproducible model to predict the hamstring autograft diameter in ACLR. LEVEL OF EVIDENCE Retrospective cohort study, level IV. CLINICAL RELEVANCE A review of the available literature reveals a higher risk of ACL failure or re-rupture if the graft is smaller than 8mm in diameter. Despite being an important factor there is no established pre-operative model that predicts the final graft diameter. Knowing beforehand the possibilities of obtaining a hamstring autograft with a diameter greater than or equal to 8mm would help the orthopaedic surgeon to better plan the surgery and to anticipate the need for other graft options (such as bone-patellar-tendon-bone autograft or allografts, amongst other alternatives).
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Affiliation(s)
- M Pérez-Mozas
- Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España.
| | - J Payo-Ollero
- Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España
| | - V Montiel-Terrón
- Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España
| | - J R Valentí-Nin
- Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España
| | - A Valentí-Azcárate
- Departamento de Cirugía Ortopédica y Traumatología, Clínica Universidad de Navarra, Pamplona, España
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Hollnagel K, Johnson BM, Whitmer KK, Hanna A, Miller TK. Prediction of Autograft Hamstring Size for Anterior Cruciate Ligament Reconstruction Using MRI. Clin Orthop Relat Res 2019; 477:2677-2684. [PMID: 31764334 PMCID: PMC6907316 DOI: 10.1097/corr.0000000000000952] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 08/12/2019] [Indexed: 01/31/2023]
Abstract
BACKGROUND Hamstring autografts with a diameter of less than 8 mm for ACL reconstruction have an increased risk of failure, but there is no consensus regarding the best method to predict autograft size in ACL reconstruction. QUESTIONS/PURPOSES (1) What is the relationship between hamstring cross-section on preoperative MRI and intraoperative autograft size? (2) What is the minimum hamstring tendon cross-sectional area on MRI needed to produce an autograft of at least 8 mm at its thickest point? METHODS This was a retrospective cohort study of 68 patients. We collectively reviewed patients who underwent ACL reconstruction by three separate fellowship-trained surgeons at the Carilion Clinic between April 2010 and July 2013. We searched the patient records database of each surgeon using the keyword "ACL". A total of 293 ACL reconstructions were performed during that time period. Of those, 23% (68 patients) had their preoperative MRI (1.5 T or 3 T magnet) performed at the Carilion Clinic with MRI confirmation of acute total ACL rupture. Exclusion criteria included previous ACL reconstructions, multiligamentous injuries, and history of acute hamstring injuries.After applying the exclusion criteria, there were 29 patients in the 1.5 T magnet group and 39 in the 3 T group. Median age (range) was 29 years (12 to 50) for the 1.5 T group and 19 years (9 to 43) for the 3 T group. The patients were 41% female in the 1.5 T group and 23% female in the 3 T group. Use of 1.5 T or 3 T magnets was based on clinical availability and scheduling. The graft's preoperative cross-sectional area was compared with the intraoperative graft's diameter. The MRI measurements were performed by a single musculoskeletal radiologist at the widest point of the medial femoral condyle and at the joint line. Intraoperative measurements were performed by recording the smallest hole the graft could fit through at its widest point. Pearson's correlation coefficients were calculated to determine the relationship between graft size and tendon cross-sectional area. A simple logistic regression analysis was used to calculate the cutoff cross-sectional areas needed for a graft measuring at least 8 mm at its thickest point. Intrarater reliability was evaluated based on re-measurement of 19 tendons, which produced an overall intraclass correlation coefficient (ICC) of 0.96 95% (CI 0.93 to 0.98). A p value < 0.05 was considered significant. RESULTS In general, the correlation between MRI-measured hamstring thickness and hamstring graft thickness as measured in the operating room were good but not excellent. The three measurements that demonstrated the strongest correlation with graft size in the 1.5 T group were the semitendinosus at the medial femoral condyle (r = 0.69; p < 0.001), the semitendinosus and gracilis at the medial femoral condyle (r = 0.70; p < 0.001), and the mean semitendinosus and gracilis (r = 0.64; p < 0.001). These three measurements had correlation values of 0.53, 0.56, and 0.56, respectively, in the 3 T MRI group (all p values < 0.001). To create an 8-mm hamstring autograft, the mean semitendinosus plus gracilis cutoff values areas were 18.8 mm and 17.5 mm for the 1.5 T and 3.0 T MRI groups, respectively. CONCLUSIONS Imaging performed according to routine knee injury protocol can be used to preoperatively predict the size of hamstring autografts for ACL reconstructions. In clinical practice, this can assist orthopaedic surgeons in graft selection and surgical planning. LEVEL OF EVIDENCE Level II, diagnostic study.
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Affiliation(s)
- Katharine Hollnagel
- K. Hollnagel, Department of Orthopaedic Surgery, University of Toledo, Toledo, OH, USA B. Johnson, T. K. Miller, Department of Orthopaedic Surgery, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA K. Whitmer , Department of Radiology, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA A. Hanna, Virginia Tech Carilion School of Medicine, Roanoke, VA, USA
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The medial epicondyle of the distal femur is the optimal location for MRI measurement of semitendinosus and gracilis tendon cross-sectional area. Knee Surg Sports Traumatol Arthrosc 2019; 27:3498-3504. [PMID: 30809723 DOI: 10.1007/s00167-019-05421-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 02/15/2019] [Indexed: 10/27/2022]
Abstract
PURPOSE Graft diameter ≥ 8 mm reduces the risk of failure after anterior cruciate ligament reconstruction (ALCR) with hamstring tendon autograft. Pre-operative measurement of gracilis (GT) and semitendinosus (ST) cross-sectional area using MRI has been utilized but the optimal location for measurement is unknown. The main purpose of this study was to examine the cross-sectional areas of GT + ST at different locations and develop a model to predict whether a doubled hamstring graft of GT + ST will be of sufficient cross-sectional area for ACLR. METHODS A retrospective review was performed of 154 patients who underwent primary ACLR using doubled hamstring autograft. Cross-sectional area measurements of GT + ST on pre-operative MRI axial images were made at three locations: medial epicondyle (ME), tibiofemoral joint line (TJL), and tibial physeal scar (TPS) and calculated the correlation of intra-operative graft size for each location using the Pearson's correlation coefficient. A receiver operating characteristic (ROC) established a threshold that would predict graft diameter ≥ 8 mm. RESULTS Measurement of GT + ST at the ME had a stronger correlation (r = 0.389) to intra-operative graft diameter than measurements at the TJL (r = 0.256) or TPS (r = 0.240). The ROC indicated good predictive value for hamstring graft diameter ≥ 8 mm based on MRI measurement at the ME with the optimal threshold with the highest sensitivity and specificity as 18 mm2. CONCLUSION Cross-sectional area measurement of GT + ST at the ME correlated most closely to intra-operative diameter of a doubled hamstring autograft compared to measurements at the TJL or the TPS. As graft diameter < 8 mm is correlated with higher failure rates of ACL surgery, the ability to pre-operatively predict graft diameter is clinically useful. LEVEL OF EVIDENCE Level III, prognostic study.
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Vardiabasis N, Mosier B, Walters J, Burgess A, Altman G, Akhavan S. Can We Accurately Predict the Quadruple Hamstring Graft Diameter From Preoperative Magnetic Resonance Imaging? Orthop J Sports Med 2019; 7:2325967119834504. [PMID: 30937321 PMCID: PMC6435877 DOI: 10.1177/2325967119834504] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Anterior cruciate ligament (ACL) reconstruction with a quadruple hamstring (QH) autograft is a widely utilized procedure with good outcomes. A graft diameter less than 8 mm, however, has been associated with higher revision rates. Accurately determining the diameter of the hamstring tendon preoperatively can help surgeons plan accordingly. Purpose/Hypothesis: The purpose of our study was to determine whether QH graft size can be reliably predicted from preoperative magnetic resonance imaging (MRI) measurements. We hypothesized that we can achieve a high predicted QH graft size correlation with regard to preoperative and intraoperative measurements. Study Design: Cohort study (diagnosis); Level of evidence, 2. Methods: We evaluated patients undergoing ACL reconstruction using QH autografts. At the time of surgery, the semitendinosus tendon (ST) and gracilis tendon (GT) were harvested and sized and then sized as a QH graft. Preoperative individual ST and GT sizes were determined from T2-weighted fat-saturated MRI at 3 cm above the joint line using correlating axial and coronal images. We then used a predictive chart to predict what the size of the QH graft would be and compared this with the actual measurements. Pearson correlation coefficients between predicted and actual graft sizes were calculated. Results: The predicted GT graft size was within 0.5 mm of the actual size in 45 of 60 (75%) patients and within 1 mm of the actual graft size in 59 of 60 (98%) patients. The predicted GT graft size from MRI measurements correlated with the actual GT graft size (r = 0.62, P < .00001). The predicted ST graft size was within 0.5 mm of the actual size in 45 of 60 (75%) patients and within 1 mm of the actual graft size in 56 of 60 (93%) patients. The predicted ST graft size from MRI measurements correlated with the actual ST graft size (r = 0.71, P < .00001). The predicted QH graft size was within 0.5 mm of the actual size in 52 of 60 (87%) patients and within 1 mm of the actual graft size in 60 of 60 (100%) patients. The predicted QH graft size from MRI measurements correlated with the actual QH graft size (r = 0.81, P < .00001). Conclusion: The current technique can reliably predict the size of a QH graft within 1 mm of the final graft size.
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Affiliation(s)
| | - Brian Mosier
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Jason Walters
- Broward Health Sports Medicine, Fort Lauderdale, Florida, USA
| | - Aaron Burgess
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Greg Altman
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
| | - Sam Akhavan
- Department of Orthopaedic Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA
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Takenaga T, Yoshida M, Albers M, Nagai K, Nakamura T, Fu FH, Onishi K. Preoperative sonographic measurement can accurately predict quadrupled hamstring tendon graft diameter for ACL reconstruction. Knee Surg Sports Traumatol Arthrosc 2019; 27:797-804. [PMID: 30167751 DOI: 10.1007/s00167-018-5101-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 08/10/2018] [Indexed: 11/28/2022]
Abstract
PURPOSE Previous studies reported sonography was inferior to MRI to predict hamstring tendon graft diameter for ACL reconstruction. This study aimed to investigate the correlation between intraoperative hamstring tendon graft diameter and its preoperative measurement using different sonographic scanning protocol from previous studies. METHODS Two cadaveric knees were utilized for validation. Sonographically guided gracilis tendon (G) and semitendinosus tendon (ST) injections were performed at myotendinous junction of sartorius using colored latex and then dissection was performed. In the clinical studies, 28 patients underwent primary ACL reconstruction were enrolled. Cross-sectional area (CSA) of G and ST were measured at myotendinous junction of Sartorius. The diameter of doubled G (2G), doubled ST (2ST) and quadrupled ST + G (4STG) were intraoperatively measured using graft sizing devices with 0.5-mm increments. RESULTS Cadaveric dissection showed the presence of latex on the surface of G and ST at myotendinous junction of Sartorius in all specimens. In the clinical studies, CSA of G, ST, and ST + G significantly correlated with diameter of 2G (r = 0.464, p = 0.039), 2ST (r = 0.712, p < 0.001), and 4STG (r = 0.792, p < 0.001), respectively. As a result of the simple linear regression analysis, 4STG diameter could be predicted by the following formula: 4.345 + 0.210 × CSA. The differences between calculated diameter by this formula and intraoperative 4STG diameter were within ± 0.5 mm in 89.3% (25/28) of subjects. CONCLUSIONS The diameter of 2ST and 4STG can be reliably predicted based on sonographic CSA measurement preoperatively. Sonography is a cost-effective alternate to repeat MRI to predict hamstring graft diameter preoperatively. LEVEL OF EVIDENCE Diagnostic study; Level II.
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Affiliation(s)
- Tetsuya Takenaga
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Masahito Yoshida
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Marcio Albers
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Kanto Nagai
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Tomomasa Nakamura
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Freddie H Fu
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA
| | - Kentaro Onishi
- Department of Orthopaedic Surgery, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Building, Suite 1011, Pittsburgh, PA, 15213, USA. .,Department of Physical Medicine and Rehabilitation, University of Pittsburgh, 3471 Fifth Avenue, LSK Building, Suite 201, Pittsburgh, PA, 15213, USA.
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