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Liu X, Yang H, Jun Z, Li L, Wang Z, Li Z, Liu J. Outcomes of physeal-sparing posterior cruciate ligament reconstruction for adolescents with an open physis. INTERNATIONAL ORTHOPAEDICS 2024; 48:1525-1532. [PMID: 37989809 DOI: 10.1007/s00264-023-06037-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 11/07/2023] [Indexed: 11/23/2023]
Abstract
PURPOSE The posterior cruciate ligament (PCL) rupture rarely occurs, especially in skeletally immature adolescents, and poses a dilemma in appropriately managing the open physis with its vast growth potential. However, although many epiphyseal-protecting techniques for anterior cruciate ligament (ACL) reconstruction have been reported, a similar problem in PCL reconstruction has received scant attention and needs more relevant research. So, this study aims to evaluate the short-term clinical and imaging results of the arthroscopic physeal-sparing reconstruction program. METHOD All the 13 patients we reviewed in this study have accepted the arthroscopic physeal-sparing PCL reconstruction from January 2019 to December 2022 in our Department of Orthopedics. Primary demographic data collected include gender (8 males and 5 females), age (11-15 years, average 13.3 years), follow-up period (15-35 months, average 25.2 months), injury mechanism (nine non-contact injuries and four contact injuries), and days following injury (1-10 days, average 5.3 days). The assessment of clinical outcomes included pre- and postoperative physical examination, knee functional scores, and imaging data. RESULT All patients in this study were followed up with an average 25.2-month (range 15-35 months) follow-up period. All the cases preoperatively had a positive posterior drawer test and turned negative at the final follow-up. The average ROM improved from 103.6° ± 11.4° to 132.6° ± 3.6° at the last follow-up (p < 0.05). The VAS score decreased from 5.8 ± 1.6 to 0.9 ± 0.5 (p < 0.05); the average KT-1000 healthy-side to affected-side difference decreased from 11.3 ± 1.6 to1.8 ± 0.5 mm. The comparison of all the knee functional scores (IKDC, Tegner scores, and Lysholm) at preoperative and last follow-up showed a significant difference (p < 0.05). None of the cases had operation-related complications, and all recovered to sports well. CONCLUSION The arthroscopic physeal-sparing posterior cruciate ligament reconstruction is a dependable and recommended treatment for posterior cruciate ligament rupture in adolescents with open physis, showing a striking improvement in knee function without growth arrest and angular deformity of the affected limb in the short-term follow-up.
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Affiliation(s)
- Xu Liu
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China
| | - Haibo Yang
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China
| | - Zhong Jun
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China
| | - Lingzhi Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China
| | - Zhaojun Wang
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China
| | - Zhong Li
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China.
| | - Juncai Liu
- Department of Orthopaedics, The Affiliated Hospital of Southwest Medical University, Sichuan Provincial Laboratory of Orthopaedic Engineering, Luzhou, Sichuan, 646000, People's Republic of China.
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Panagopoulos A, Giannatos V, Antzoulas P, Lakoumentas J, Raoulis V, Hantes M. The 100 Top-Cited Articles on Medial Patellofemoral Ligament: A Bibliometric Analysis and Review. Orthop J Sports Med 2024; 12:23259671231223525. [PMID: 38304053 PMCID: PMC10832438 DOI: 10.1177/23259671231223525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/10/2023] [Indexed: 02/03/2024] Open
Abstract
Background The medial patellofemoral ligament (MPFL) has been investigated widely in the past 30 years, resulting in many research achievements in this field. Purpose To perform a comprehensive bibliometric analysis to evaluate the 100 top-cited articles on the MPFL. Study Design Cross-sectional study. Methods We searched the Scopus database in December 2022 using the terms "medial patellofemoral ligament" OR "MPFL." The search was confined to English-language articles, including technical notes, systematic reviews on clinical outcomes and/or complications, clinical studies, studies regarding complications, and basic science articles (either cadaveric or biomechanical); we excluded letters, case reports, personal opinions, guidelines, editorials, and narrative or other types of reviews. Analysis of the 100 top-cited articles was performed according to total number of citations, average citations per year (ACY), study type, country of origin, journal of publication, affiliated institution, and most published authors. Results The total number of citations was 16,358 (range of citations per article, 72-692). The majority of articles were published as clinical studies (54%), with cadaveric studies being the second most common (21%). Most studies originated in the United States (32%), with Japan (15%) and Germany (13%) following. The American Journal of Sports Medicine published the majority of the 100 top-cited articles (37/100; 6304 citations) as well as the 10 top-cited articles according to ACY (7/10; mean, 285.14 citations). The most prolific authors were Nomura (8 articles); Burks (6 articles); and Inoue, Sillanpää, and Dreyhaupt (5 articles each). Conclusion By analyzing the characteristics of the 100 top-cited articles, this study demonstrated that the MPFL is a growing and popular area of research, with the focus varying through timeline trends. Questions regarding MPFL anatomy, isometry, and biomechanics might have been answered adequately, but research regarding optimal fixation technique under various circumstances is still ongoing.
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Affiliation(s)
| | - Vasileios Giannatos
- Department of Sports Medicine, University Hospital of Patras, Patras, Greece
| | | | - John Lakoumentas
- Department of Medical Physics, University Hospital of Patras, Patras, Greece
| | - Vasileios Raoulis
- Department of Sports Medicine, University Hospital of Larissa, Larissa, Greece
| | - Michael Hantes
- Department of Sports Medicine, University Hospital of Larissa, Larissa, Greece
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Huo Z, Hao K, Fan C, Li K, Li M, Wang F, Niu Y. The larger patellar tilt angle and lower intercondylar notch angle might increase posterior cruciate ligament injury risk: a retrospective comparative study. BMC Musculoskelet Disord 2023; 24:933. [PMID: 38041089 PMCID: PMC10691109 DOI: 10.1186/s12891-023-07054-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/21/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Posterior cruciate ligament (PCL) injuries are common ligament injuries of the knee, and previous studies often focused on the associations between the morphology of the knee and PCL injuries. Studies on the correlation between PCL injuries and patellofemoral alignment are limited. METHODS This retrospective study included 92 patients with PCL injured and 92 patients with PCL intact. Measurement parameters were compared between the two groups, including patellar tilt angle, congruence angle, patellar height, hip-knee-ankle angle, lateral trochlear inclination, femoral condyle ratio, bicondylar width, intercondylar notch width and index, notch angle, trochlear facet asymmetry, and trochlear sulcus depth and angle. Independent risk factors associated with PCL injuries were identified by logistic regression analyses. RESULTS In the PCL injured group, the patellar tilt angle was significantly larger (13.19 ± 5.90° vs. 10.02 ± 4.95°, P = 0.04); the intercondylar notch angle was significantly lower (60.97 ± 7.83° vs. 67.01 ± 6.00°, P = 0.004); the medial and lateral femoral condyle ratio were significantly larger (0.63 ± 0.64 vs. 0.60 ± 0.56, P = 0.031; 0.65 ± 0.60 vs. 0.58 ± 0.53, P = 0.005) than in the PCL intact group. There were 11 patients with patellar dislocation in the PCL injured group, accounting for 12%. In these patients, the patellar height was higher (1.39 ± 0.17 vs. 1.09 ± 0.25, P = 0.009); the trochlear sulcus angle was larger (157.70 ± 8.7° vs. 141.80 ± 8.78°, P < 0.001); and the trochlear sulcus depth was shallower (3.10 ± 1.20mm vs. 5.11 ± 1.48mm, P = 0.003) than those in the patients without patellar dislocation. Multivariate analyses showed that patellar tilt angle (each increase 1 degree, OR = 1.14) and intercondylar notch angle (each increase 1 degree, OR = 0.90) were independent risk factors for PCL injuries. CONCLUSION The patients with PCL injuries had larger patellar tilt angles, lower intercondylar notch angles, and longer posterior femoral condyles than patients with PCL intact. The larger patellar tilt angle and lower intercondylar notch angle might be risk factors for PCL injuries.
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Affiliation(s)
- Zhenhui Huo
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Kuo Hao
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Chongyi Fan
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Kehan Li
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Ming Li
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China
| | - Fei Wang
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China.
| | - Yingzhen Niu
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, People's Republic of China.
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Abed V, Goodwin A, DuVall A, Rexroth J, Liu JN, Stone AV. The Top 50 Most Cited Articles on the Medial Patellofemoral Ligament (MPFL): A Bibliometric Analysis. Indian J Orthop 2023; 57:827-837. [PMID: 37214375 PMCID: PMC10192460 DOI: 10.1007/s43465-023-00872-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 03/10/2023] [Indexed: 05/24/2023]
Abstract
Objectives To determine which original articles on the topic of the medial patellofemoral ligament (MPFL) have been cited the most in the literature utilizing a bibliometric approach. Secondarily, to determine temporal trends between article types. Methods Articles on the topic of the MPFL were identified by utilizing the Web of Science Database. The search yielded 1596 results and the top 50 cited original articles were collected for further analysis. The following information was gathered for all included articles: title, first author's name, journal name, year of publication, impact factor of the journal in 2021, total number of citations of the article, average citations per year (ACY), geographic origin, institutions, research theme, and keywords. Articles were then grouped into one of three categories: cadaveric/anatomic, clinical, and radiologic. Results The total number of citations was 10,393. Most were published between the years 2000-2009 (66%) and in the journal, American Journal of Sports Medicine (34%). The mean ACY was 11.73 ± standard deviation 5.86 and the Kawasaki Municipal Hospital was the institution with the most articles included in the top 50 (n = 6, 12%). The top-cited articles focused on 3 themes: cadaveric/anatomic (n = 18, 36%), clinical (n = 25, 50%), and radiologic (n = 7, 14%). Cadaveric/anatomic articles had the highest average number of citations at 271.4 ± 153.9, followed by radiologic (173.3 ± 53.0) and clinical articles (171.8 ± 102.4). Over time, clinical articles were more likely to be included in the top 50 list, compared to cadaveric/anatomic/radiologic articles. Conclusion The most impactful MPFL articles relate to cadaveric/anatomic articles; however, over time, clinical articles became more prevalent.
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Affiliation(s)
- Varag Abed
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, 2195 Harrodsburg Rd, Lexington, KY 40504 USA
| | - Alyssa Goodwin
- School of Medicine, Wayne State University, Detroit, USA
| | - Alex DuVall
- School of Medicine, Wayne State University, Detroit, USA
| | | | - Joseph N. Liu
- Department of Orthopaedic Surgery, Keck Medicine of USC, Los Angeles, USA
| | - Austin V. Stone
- Department of Orthopaedic Surgery and Sports Medicine, University of Kentucky, 2195 Harrodsburg Rd, Lexington, KY 40504 USA
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Hermanowicz K, Mrozek T, Góralczyk A, Jancewicz P, Dołżyńska A, Szajwa L, Hermanowicz J. Arthroscopic Remnant Preserving 3-Portal Posterior Cruciate Ligament Reconstruction With Reverse Passage of the Graft. Arthrosc Tech 2023; 12:e621-e627. [PMID: 37323792 PMCID: PMC10265273 DOI: 10.1016/j.eats.2022.12.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023] Open
Abstract
The posterior cruciate ligament (PCL) is the largest and strongest ligament of the knee, with a tremendous role as the primary posterior stabilizer of the knee. Surgical management of PCL injuries is very demanding, due to the fact that the PCL tear usually is a part of multiligamentous knee injury. Moreover, PCL anatomy, especially its course and attachment points to femur and tibia, makes reconstruction of the PCL technically challenging. The main pitfall is the sharp angle between created during reconstruction surgery bony tunnels, which forms so called "killer turn". The authors present a technique of the remnant-preserving PCL arthroscopic reconstruction that simplifies the procedure and uses the method of reverse passage of the PCL graft to overcome the killer turn.
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Affiliation(s)
| | - Tomasz Mrozek
- Department of Orthopedics and Traumatology, Hospital of Ministry of Internal Affairs and Administration, Białystok, Poland
| | - Adrian Góralczyk
- Department of Orthopedics and Traumatology, Hospital of Ministry of Internal Affairs and Administration, Białystok, Poland
| | | | | | - Laura Szajwa
- Medical University of Białystok, Białystok, Poland
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Sgadari A, Izzo A, Smeraglia F, Coviello A, Patel S, Mariconda M, Bernasconi A. Analysis of the 50 Most Cited Articles on Achilles Tendon Injury. Orthop J Sports Med 2023; 11:23259671231170846. [PMID: 37223076 PMCID: PMC10201165 DOI: 10.1177/23259671231170846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 02/22/2023] [Indexed: 05/25/2023] Open
Abstract
Background Achilles tendon injuries represent one of the most common reasons for referral to orthopaedic surgeons. Purpose To outline the characteristics, examine trends in publication, and evaluate the correlation between citations and study quality of the 50 most cited articles on Achilles tendon injury. Study Design Cross-sectional study. Methods After searching the Web of Science for articles published in orthopaedic journals, we identified the 50 most cited articles on Achilles tendon injury and abstracted their characteristics. Risk of bias was assessed using the modified Coleman Methodology Score (mCMS). Multiple bivariate analyses (Pearson or Spearman correlation coefficient) were used to evaluate the association among number of citations, citation rate (citations/year), 2020 journal impact factor (JIF), year of publication, level of evidence (LoE), study type (tendon rupture or chronic tendinopathy), sample size, and mCMS. Results The top 50 articles were cited 12,194 times. Each article had a mean ± SD 244 ± 88.8 citations (range, 157-657) and a citation rate of 12.6 ± 5.4 per year (range, 3-28). A total of 35 studies (70%) were published between 2000 and 2010. The citation rate of the 16 most recent studies was almost double that of the 16 oldest studies (17.5 vs 9.9; P < .001). Nineteen studies (49%) were classified as having poor quality (mCMS <50 points). The mean JIF of the 9 journals that published the studies was 5.1. The citation rate correlated with the number of citations (r = 0.56; P < .001), publication year (r = 0.60; P < .001), and LoE (r = -0.44; P = .005). The publication year correlated with the LoE (r = -0.40; P = .01). Study quality in terms of mCMS correlated with the JIF (r = 0.35; P = .03) and LoE (r = -0.48; P = .003) but not the citation rate (P = .15). Conclusion The mean LoE and the citation rate of the most cited articles on Achilles tendon injury both significantly increased over time. Although the JIF was positively correlated with study quality, almost half of the studies had poor-quality methodology.
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Affiliation(s)
- Arianna Sgadari
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
| | - Antonio Izzo
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
| | - Francesco Smeraglia
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
| | - Antonio Coviello
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
| | - Shelain Patel
- Foot and Ankle Unit, Royal National
Orthopaedic Hospital, Stanmore, UK
| | - Massimo Mariconda
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
| | - Alessio Bernasconi
- Department of Public Health, Trauma and
Orthopaedics, University of Naples Federico II, Naples, Italy
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van Kuijk KSR, Reijman M, Bierma-Zeinstra SMA, Meuffels DE. Smaller intercondylar notch size and smaller ACL volume increase posterior cruciate ligament rupture risk. Knee Surg Sports Traumatol Arthrosc 2023; 31:449-454. [PMID: 35840764 PMCID: PMC9898422 DOI: 10.1007/s00167-022-07049-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 06/09/2022] [Indexed: 02/06/2023]
Abstract
PURPOSE Little is known about risk factors for sustaining a posterior cruciate ligament (PCL) rupture. Identifying risk factors is the first step in preventing a PCL rupture from occurring. The morphology of the knee in patients who ruptured their PCL may differ from that of control patients. The hypothesis was that the intercondylar notch dimensions, 3-D volumes of the intercondylar notch and, the 3-D volumes of both the ACL and the PCL were correlated to the presence of a PCL rupture. METHODS The magnetic resonance imaging (MRI) scans of 30 patients with a proven PCL rupture were compared to 30 matched control patients with proven intact ACL and PCL. Control patients were selected from patients with knee trauma during sports but without cruciate ligament injury. Patients have been matched for age, height, weight, BMI, and sex. The volumes of the intercondylar notch and both the ACL and PCL were measured on 3D reconstructions. Second, the bicondylar width, the notch width, and the notch width index were measured of all subjects. The relationship between our measurements and the presence of a PCL rupture was analysed. RESULTS The results show a significant difference in the volumes of the intercondylar notch and the ACL between patients with a ruptured PCL and control patients. Patients with a PCL rupture have smaller intercondylar notch volumes and smaller ACL volumes. There were no significant differences in the bicondylar width, notch width, and notch width index. In the control patients, a significant correlation between the volume of the PCL and the volume of the ACL was found (0.673, p < 0.001). CONCLUSION Patients with a PCL rupture have smaller intercondylar volumes and smaller ACL volumes when compared to control patients. Second, patients with smaller ACL volumes have smaller PCL volumes. This study shows, for the first time, that there are significant size and volume differences in the shape of the knee between patients with a PCL rupture and control patients. LEVEL OF EVIDENCE IV.
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Affiliation(s)
- K. S. R. van Kuijk
- grid.5645.2000000040459992XDepartment of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Center Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands ,grid.413972.a0000 0004 0396 792XDepartment of Radiology, Albert Schweitzer Hospital, Dordrecht, The Netherlands
| | - M. Reijman
- grid.5645.2000000040459992XDepartment of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Center Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
| | - S. M. A. Bierma-Zeinstra
- grid.5645.2000000040459992XDepartment of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Center Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands ,grid.5645.2000000040459992XDepartment of General Practice, Erasmus MC University Medical Center, Rotterdam, The Netherlands
| | - D. E. Meuffels
- grid.5645.2000000040459992XDepartment of Orthopedic Surgery and Sports Medicine, Erasmus MC University Medical Center Rotterdam, Doctor Molewaterplein 40, 3015 GD Rotterdam, The Netherlands
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