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https://www.readbyqxmd.com/read/29784006/secure-corridor-for-infraacetabular-screws-in-acetabular-fracture-fixation-a-3-d-radiomorphometric-analysis-of-124-pelvic-ct-datasets
#1
Stephan Arlt, Hansrudi Noser, Andreas Wienke, Florian Radetzki, Gunther Olaf Hofmann, Thomas Mendel
BACKGROUND: Acetabular fracture surgery is directed toward anatomical reduction and stable fixation to allow for the early functional rehabilitation of an injured hip joint. Recent biomechanical investigations have shown the superiority of using an additional screw in the infraacetabular (IA) region, thereby transfixing the separated columns to strengthen the construct by closing the periacetabular fixation frame. However, the inter-individual existence and variance concerning secure IA screw corridors are poorly understood...
May 21, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29739254/curved-periacetabular-osteotomy-via-a-novel-intermuscular-approach-between-the-sartorius-and-iliac-muscles
#2
Toru Nishiwaki, Akihito Oya, Shinsuke Fukuda, Satoshi Nakamura, Masaya Nakamura, Morio Matsumoto, Arihiko Kanaji
INTRODUCTION: Herein, we describe and evaluate a curved periacetabular osteotomy (CPO) via an intermuscular approach (IM-CPO) between the sartorius and iliac muscles. METHODS: Between January 2009 and January 2016, IM-CPO was performed in 17 joints (16 patients), and a traditional CPO was performed in 17 joints. The length of incision at wound closure, operative time, intraoperative blood loss, serum creatinine kinase (CK) level the day after surgery, correctional angle, walking ability assessed using the gait items of the Harris Hip Score (at 3 and 6 months after surgery), and perioperative complications were evaluated...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29727415/radiographic-and-clinical-outcomes-of-adolescents-with-acetabular-retroversion-treated-arthroscopically
#3
Jody Litrenta, Brian Mu, Austin W Chen, Victor Ortiz-Declet, Itay Perets, Benjamin G Domb
BACKGROUND: Retroversion of the acetabulum is a cause of pincer impingement. Symptomatic retroversion has traditionally been treated with anteverting periacetabular osteotomy (PAO). However, arthroscopic rim trimming can also treat pincer impingement associated with acetabular retroversion. The purpose of this study was to report the outcomes and radiographic findings in a series of adolescent patients with symptomatic acetabular retroversion treated arthroscopically. METHODS: Data were prospectively gathered at a single institution using an established hip preservation registry...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29724578/does-severity-of-acetabular-dysplasia-influence-clinical-outcomes-after-periacetabular-osteotomy-a-case-control-study
#4
George Grammatopoulos, Paul E Beaulé, Cecilia Pascual-Garrido, Jeff J Nepple, John C Clohisy
BACKGROUND: Detailed characterization of factors influencing post-periacetabular osteotomy (PAO) outcome could guide treatment offered. METHODS: Using a prospective, multicenter database of PAOs, 61 hips/patients (51 females) with lesser dysplasia (acetabular index < 15° and lateral center-edge angle > 15°) were case-control matched for age, gender, body mass index, Tönnis grade, and joint congruency (P = .6-.9) with a "comparison group" of pronounced dysplasia (n = 183), aiming to assess whether severity of acetabular dysplasia has an effect on outcome following PAO and/or the ability to achieve desired acetabular correction...
March 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29720218/the-anteroposterior-axis-of-the-tibia-is-adjusted-to-approximately-a-right-angle-to-the-anterior-pelvic-plane-in-the-standing-position-in-patients-with-hip-dysplasia-similar-to-normal-subjects-a-cross-sectional-study
#5
Norio Imai, Dai Miyasaka, Hayato Suzuki, Kazuki Tsuchiya, Tomoyuki Ito, Izumi Minato, Naoto Endo
BACKGROUND: We previously described that the anteroposterior (AP) axis of the tibia is approximately perpendicular to the transverse axis of the anterior pelvic plane (APP) in the standing position in healthy subjects. The purpose of this study was to investigate the rotational alignment between the APP and clinical epicondylar axis and the AP axis of the tibia relative to pelvic coordination in the standing position in normal subjects and in women with developmental dysplasia of the hip (DDH) to aid decision making for surgeons in the alignment of implants in total hip or knee arthroplasty...
May 2, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29708908/anteverting-bernese-periacetabular-osteotomy-in-the-treatment-of-neurogenic-hip-dysplasia-in-cerebral-palsy
#6
Andrew G Georgiadis, Vivek Dutt, Walter H Truong, Susan A Novotny, Tom F Novacheck
All patients with hypertonic cerebral palsy undergoing Bernese periacetabular osteotomy (PAO) between 2005 and 2014 were reviewed. Clinical and radiographic parameters, including the cerebral palsy hip classification and anterior and posterior wall indices were collected to assess acetabular reorientation. Twenty (83%) of 24 procedures involved the correction of posterolateral acetabular insufficiency and were 'anteverting PAOs'. All 20 experienced improvements in radiographic indices. Eleven (58%) of 19 PAOs in ambulatory patients were performed in the setting of other multilevel orthopedic surgery...
April 27, 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/29691165/acetabular-focal-chondral-lesions-are-not-associated-with-worse-outcomes-after-periacetabular-osteotomy-a-matched-group-analyses
#7
Michael D Hellman, Jeffery J Nepple, Cecilia Pascual-Garrido, Rafael J Sierra, John C Clohisy
BACKGROUND: The purpose of this study was to assess the outcomes of patients who underwent combined hip arthroscopy and periacetabular osteotomy with acetabular focal chondral defects and compare these outcomes with a group of patients without focal chondral defects. METHODS: A retrospective review looking at patients who underwent hip arthroscopy and/or periacetabular osteotomy was performed. Minimum 2-year follow-up, Tönnis grade 0-1, and a Beck chondromalacia stages 4-5 were included...
March 14, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29687316/bernese-type-triple-pelvic-osteotomy-through-a-single-incision-in-children-over-five-years-a-retrospective-study-of-twenty-eight-cases
#8
YiQiang Li, HongWen Xu, Theddy Slongo, QingHe Zhou, Yuanzhong Liu, WeiDong Chen, JingChun Li, Federico Canavese
INTRODUCTION: Bernese-type triple pelvic osteotomy (BTPO) combines periacetabular and triple innominate osteotomy techniques. However, studies that evaluate the clinical and radiographic outcomes of BTPO are scarce. The aim of this study is to report on the clinical and radiographic outcomes of ambulatory children with developmental dysplasia of the hip (DDH) or Legg-Calvé-Perthes disease (LCPD) managed with BTPO that were older than five years of age at the time of surgery. MATERIALS AND METHODS: We retrospectively reviewed the records of 27 consecutive patients with DDH or LCPD (mean age 7...
April 23, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29656965/total-hip-arthroplasty-for-periacetabular-metastatic-disease-an-original-technique-of-reconstruction-according-to-the-harrington-classification
#9
Julien Wegrzyn, Matthieu Malatray, Turki Al-Qahtani, Vincent Pibarot, Cyrille Confavreux, Gilles Freyer
BACKGROUND: Periacetabular metastatic disease requires complex acetabular reconstruction. The complication rate for these frail patients is high. Various cement-rebar reinforced techniques allowing cemented total hip arthroplasty (THA) have been described. The optimal procedure has not yet been identified. METHODS: A continuous series of 131 THAs performed in 126 patients with periacetabular metastatic disease was prospectively included in this study. After bone metastasis curettage and cementation, an original technique of acetabular reconstruction was performed using a dual mobility cup cemented into an acetabular reinforcement device (ie, Kerboull cross-plate or Burch-Schneider antiprotrusio cage) according to the Harrington classification...
March 17, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29564299/arthroscopic-management-of-intraarticular-screw-perforation-after-surgical-treatment-of-an-acetabular-posterior-wall-fracture-a-case-report
#10
Jae Hoon Jang, Nam Hoon Moon, Ki Young Park
Although surgical techniques for treating acetabular fracture are evolving, the use of periacetabular screws is common, and their placement in acetabular surgery is still technically demanding. For instance, intraarticular screw perforation is a serious complication that may occur during surgical treatment of an acetabular fracture. Here, we describe the case of a 50-year-old female who experienced an intraarticular screw perforation after surgical treatment of a posterior acetabular wall fracture. Removal of the perforated screw was performed arthroscopically based on its ability to offer minimally invasive access to the hip joint...
March 2018: Hip & Pelvis
https://www.readbyqxmd.com/read/29515650/computer-assisted-optimization-of-the-acetabular-rotation-in-periacetabular-osteotomy-using-patient-s-anatomy-specific-finite-element-analysis
#11
Sung-Jae Park, Sung-Jae Lee, Wen-Ming Chen, Jung-Hong Park, Yong-Soo Cho, Taejin Shin, Soon-Yong Kwon
Periacetabular osteotomy (PAO) is a complex surgical procedure to restore acetabular coverage in the dysplastic hip, and the amount of acetabular rotation during PAO plays a key role. Using computational simulations, this study assessed the optimal direction and amount of the acetabular rotation in three dimensions for a patient undergoing PAO. Anatomy-specific finite element (FE) models of the hip were constructed based on clinical CT images. The calculated acetabular rotation during PAO were 9.7°, 18°, and 4...
2018: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/29509620/mid-term-results-of-periacetabular-osteotomy-for-the-treatment-of-hip-dysplasia-associated-with-down-syndrome-minimum-follow-up-of-five-years
#12
Daniel A Maranho, Kathryn A Williams, Michael B Millis, Young-Jo Kim, Eduardo N Novais
BACKGROUND: The treatment of hip dysplasia in patients with Down syndrome is challenging. We investigated the clinical, functional, and radiographic outcomes of periacetabular osteotomy (PAO) as well as factors associated with its failure at a minimum of 5 years of follow-up. METHODS: Between 1992 and 2011, 19 patients with Down syndrome (26 hips) underwent PAO at a mean age of 16.2 ± 4.7 years. Hip pain and function were assessed with use of the modified Harris hip score (HHS) and the Gross Motor Function Classification System (GMFCS)...
March 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29473959/reconstruction-using-a-constrained-type-hip-tumor-prosthesis-after-resection-of-malignant-periacetabular-tumors-a-study-by-the-japanese-musculoskeletal-oncology-group-jmog
#13
Koichi Ogura, Michiro Susa, Hideo Morioka, Akihiko Matsumine, Takeshi Ishii, Kenichiro Hamada, Takafumi Ueda, Akira Kawai
BACKGROUND: We conducted a nationwide survey of prosthetic reconstruction using a constrained-type hip tumor prosthesis (C-THA) following resection of periacetabular tumors. METHODS: Eighty patients with periacetabular tumors underwent wide resection and prosthetic reconstruction using C-THA at JMOG-affiliated institutions (39 males and 41 females; mean age, 46.7 years; mean follow-up period, 65 months). Primary bone or soft tissue sarcoma accounted for 75% of the cases...
February 23, 2018: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29456755/preliminary-results-of-an-anteverting-triple-periacetabular-osteotomy-for-the-treatment-of-hip-instability-in-down-syndrome
#14
D A Maranho, Y-J Kim, K A Williams, E N Novais
Purpose: To investigate the outcomes of an anteverting triple periacetabular osteotomy for the treatment of hip instability in skeletally immature patients with Down syndrome. Methods: We evaluated 16 patients (21 hips) with Down syndrome and hip instability who underwent an anteverting triple periacetabular osteotomy between 2007 and 2016. There were nine females and seven males with an average age of 7.4 years SD 2.0. We assessed the level of hip pain, gait ability and clinical stability at a minimum of one year after surgery...
February 1, 2018: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/29435594/-periacetabular-osteotomy-what-influence-does-age-have-on-patient-relevant-results-a-prospective-5%C3%A2-year-investigation
#15
L Franken, F Thielemann, A Postler, S Blum, A Hartmann, K-P Günther, J Goronzy
INTRODUCTION: Periacetabular osteotomy (PAO) is an effective procedure in treatment of symptomatic hip dysplasia. To achieve a good outcome a strict patient selection has to be applied. The aim of this study was to evaluate the influence of patient age at surgery on clinical outcome. METHODS: In a prospective study 86 patients (106 hips) underwent clinical and radiographic follow-up at a mean time of 5 years (2.5-8.5 years) after PAO. Patient-related outcome measurements (PROMs: EQ-5D, WOMAC, OHS, GTO) were applied preoperatively as well as postoperatively and the deformity correction as well as development of osteoarthritis were evaluated...
March 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29430391/modifications-to-the-hip-arthroscopy-technique-when-performing-combined-hip-arthroscopy-and-periacetabular-osteotomy
#16
Andrea M Spiker, Kate R Gumersell, Ernest L Sink, Bryan T Kelly
In the realm of hip preservation, hip arthroscopy is often used to address intra-articular impingement pathology, whereas periacetabular osteotomy (PAO) is used to address dysplasia and instability. Indications to combine these 2 procedures include hip dysplasia and symptomatic instability with a concomitant symptomatic labral tear or the other symptomatic intra-articular pathology (i.e., loose body, chondral flap). The arthroscopic portion of the procedure allows repair of the injured labrum and close inspection of the hip joint, and the PAO addresses undercoverage and/or inappropriate version of the acetabulum...
October 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29423247/periacetabular-osteotomy-for-developmental-hip-dysplasia-with-labral-tears-is-arthrotomy-or-arthroscopy-required
#17
Songkiat Thanacharoenpanich, Matthew J Boyle, Robert F Murphy, Patricia E Miller, Michael B Millis, Young-Jo Kim, Yi-Meng Yen
Patients with developmental dysplasia of the hip (DDH) who undergo periacetabular osteotomy (PAO) often have labral tears. The objective of this retrospective study was to compare PAO alone with PAO combined with arthrotomy or arthroscopy in DDH patients who had a full-thickness labral tear on magnetic resonance imaging. In total, 47 hips in the PAO group (PAO) were compared with 60 hips in the PAO with concomitant arthrotomy or arthroscopy (PAO-A) with respect to Hip Disability and Osteoarthritis Outcome Score (HOOS), modified Harris Hip Score (mHHS), Visual Analog Scale (VAS), clinical and radiographic outcomes at a median of 29 months...
January 2018: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29423245/refractory-pain-following-hip-arthroscopy-evaluation-and-management
#18
REVIEW
Jason J Shin, Darren L de Sa, Jeremy M Burnham, Craig S Mauro
With increased knowledge and understanding of hip pathology, hip arthroscopy is rapidly becoming a popular treatment option for young patients with hip pain. Despite improved clinical and radiographic outcomes with arthroscopic treatment, some patients may have ongoing pain and less than satisfactory outcomes. While the reasons leading to failed hip arthroscopy are multifactorial, patient selection, surgical technique and rehabilitation all play a role. Patients with failed hip arthroscopy should undergo a thorough history and physical examination, as well as indicated imaging...
January 2018: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29406343/intermediate-term-hip-survivorship-and-patient-reported-outcomes-of-periacetabular-osteotomy-the-washington-university-experience
#19
Joel Wells, Perry Schoenecker, Stephen Duncan, Charles W Goss, Kayla Thomason, John C Clohisy
BACKGROUND: The Bernese periacetabular osteotomy (PAO) is an alternative to arthroplasty for treating symptomatic acetabular dysplasia, but there have been few studies on the intermediate-term outcomes of this procedure. In the present study, we assessed intermediate-term hip survival and patient-reported outcomes of PAO used to treat symptomatic acetabular dysplasia. METHODS: From July 1994 to August 2008, 238 hips (206 patients) were treated with PAO. Sixty-two had a diagnosis other than classic acetabular dysplasia, and 22 were lost to follow-up...
February 7, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29377053/factors-associated-with-failure-of-hip-arthroscopy-in-patients-with-hip-dysplasia
#20
Andrew J Bryan, Kirsten Poehling-Monaghan, Aaron J Krych, Bruce A Levy, Robert T Trousdale, Rafael J Sierra
The purpose of this study was to compare a group of dysplastic hips treated successfully with hip arthroscopy with a group of dysplastic hips treated unsuccessfully with hip arthroscopy to determine (1) preoperative patient characteristics and radiographic parameters and (2) intraoperative findings and treatment associated with outcome. The authors retrospectively reviewed a prospective database of 20 adult patients (17 female, 3 male) with hip dysplasia who underwent primary hip arthroscopy between January 2009 and February 2013...
March 1, 2018: Orthopedics
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