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Acetabular rim fracture

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https://www.readbyqxmd.com/read/27453642/missed-adolescent-acetabular-apophyseal-avulsion-with-late-hip-dislocation
#1
Munnan Al-Najjim, Theodore Birks, Jonathan S M Dwyer
BACKGROUND: Chronic hip dislocation associated with acetabular apophyseal avulsion in adolescence is rare. Whilst superior acetabular rim fractures have a documented theoretical risk of hip instability, we have not found a case of chronic dislocation resulting from this. METHODS: We report a case of a 12-year-old healthy boy who initially sustained a missed right acetabular apophyseal avulsion after falling from a quad bike. This was missed on the initial radiograph and a subsequent radiograph following weight bearing a few days later showed a hip dislocation that was also missed...
December 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27378642/improved-resistance-to-neck-liner-impingement-in-second-generation-highly-crosslinked-polyethylene-the-role-of-vitamin-e-and-crosslinks
#2
Yasuhito Takahashi, Toshiyuki Tateiwa, Giuseppe Pezzotti, Takaaki Shishido, Toshinori Masaoka, Kengo Yamamoto
BACKGROUND: Radiation crosslinking of ultrahigh molecular weight polyethylene (UHMWPE) results in the reduced tensile strength and fracture toughness as an expense of dramatic increase in the wear resistance. Clinical rim fracture has been reported due to neck-liner impingement on a first-generation highly crosslinked UHMWPE acetabular component. The objective of this study was to investigate whether a second-generation, vitamin E-blended highly crosslinked UHMWPE possesses the improved impingement resistance...
June 1, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27293935/subchondral-insufficiency-fracture-of-the-femoral-head-caused-by-excessive-lateralization-of-the-acetabular-rim
#3
Tetsuya Kimura, Tomohiro Goto, Daisuke Hamada, Takahiko Tsutsui, Keizo Wada, Shoji Fukuta, Akihiro Nagamachi, Koichi Sairyo
We present a case of a 53-year-old woman with subchondral insufficiency fracture (SIF) of the femoral head without history of severe osteoporosis or overexertion. Plain radiographs showed acetabular overcoverage with excessive lateralization of the acetabular rim. A diagnosis of SIF was made by typical MRI findings of SIF. The lesion occurred at the antipodes of the extended rim. Increased mechanical stress over the femoral head due to impingement against the excess bone was suspected as a cause of SIF. The distinct femoral head deformity is consistent with this hypothesis...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27011845/hip-arthroscopy-for-the-management-of-trauma-a-literature-review
#4
Justin T Newman, Adriana J Saroki, Marc J Philippon
The first descriptions of the use of hip arthroscopy for traumatic injuries were presented in 1980. One paper described arthroscopy for the removal of a bullet fragment while others reported using hip arthroscopy to remove fragments following total hip arthroplasty. With the application of traction and modification of arthroscopic instruments, hip arthroscopy has become a useful tool in treating trauma to the hip. Most of the literature describes traumatic hip dislocation. Several studies have documented the successful use of arthroscopy for removal of loose bodies, but it has also been used to treat labral tears, chondral defects and acetabular rim fractures...
October 2015: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/26191497/femoroacetabular-impingement-with-chronic-acetabular-rim-fracture-3d-computed-tomography-3d-magnetic-resonance-imaging-and-arthroscopic-correlation
#5
Avneesh Chhabra, Shaun Nordeck, Vibhor Wadhwa, Sai Madhavapeddi, William J Robertson
Femoroacetabular impingement is uncommonly associated with a large rim fragment of bone along the superolateral acetabulum. We report an unusual case of femoroacetabular impingement (FAI) with chronic acetabular rim fracture. Radiographic, 3D computed tomography, 3D magnetic resonance imaging and arthroscopy correlation is presented with discussion of relative advantages and disadvantages of various modalities in the context of FAI.
July 18, 2015: World Journal of Orthopedics
https://www.readbyqxmd.com/read/26015635/ceramic-on-ceramic-hip-arthroplasty-in-fused-hips
#6
Kyung-Soon Park, Taek-Rim Yoon, Tae-Min Lee, Yeong-Seub Ahn
BACKGROUND: Most literature in the field of total hip arthroplasty (THA) for fused hips, until date has reported the results of using metal on polyethylene and ceramic on polyethylene bearings. Results of THA using ceramic on ceramic (CoC) bearings in fused hips have not been published in literature. This study reports the results of cementless THA using CoC articulation perfomed in fused hips. MATERIALS AND METHODS: Twenty-three patients (25 hips) with fused hips underwent conversion to THA using CoC bearings and were followed up for a mean 5...
May 2015: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/25929774/traumatic-posterior-pediatric-hip-dislocations-with-associated-posterior-labrum-osteochondral-avulsion-recognizing-the-acetabular-fleck-sign
#7
Christopher Blanchard, Indranil Kushare, Aaron Boyles, Andrew Mundy, Allan C Beebe, Kevin E Klingele
BACKGROUND: Traumatic dislocation of the hip is uncommon in the pediatric population. Concentric reduction is usually achieved by closed means. Open reduction may be needed if there is femoral head fracture, incarcerated fragment, or incomplete reduction due to soft tissue entrapment. We present a series of 10 patients who sustained a posterior hip dislocation or subluxation with associated osteochondral avulsion of the posterior labrum. During surgery they were noted to have a labral injury pattern not previously recognized...
September 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/25900826/tissue-preserving-total-hip-arthroplasty-using-superior-capsulotomy
#8
N Capuano, A Del Buono, N Maffulli
OBJECTIVE: The goals of a tissue-preserving minimally invasive approach to the hip are to allow early short-term recovery, achieve hip joint stability, minimize muscle strength loss from surgery, spare the peri-articular soft tissues, and allow unrestricted motion in the long term. INDICATIONS: Hip arthroplasty in patients with no pre-existing hardware, with a sufficient space between the acetabular rim and greater trochanter; management of subcapital femoral fractures in older patients...
August 2015: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/25889869/the-effect-of-dorsal-rim-loss-on-the-initial-stability-of-the-biomedtrix-cementless-acetabular-cup
#9
Meredith L Montgomery, Stanley E Kim, Jonathan Dyce, Antonio Pozzi
BACKGROUND: Loss of dorsal acetabular rim (DAR) is a common sequela to canine hip dysplasia. The purpose of this study is to evaluate the effect of DAR loss on the initial stability of the cementless (BFX) acetabular cup. BFX cups were implanted into foam blocks reamed to resemble acetabulae with simulated 0, 25, 50, and 75% DAR loss. Models were tested in edge loading of the lateral surface of the cup with an indenter, and in centered loading with an articulated femoral prosthesis. Additionally, cups were implanted into paired cadaveric canine hemipelves with either no DAR depletion, or removal of 50% of the DAR, and acutely loaded to failure with an articulated femoral prosthesis...
2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25784550/the-effect-of-dorsal-rim-loss-on-the-initial-stability-of-the-biomedtrix-cementless-acetabular-cup
#10
Meredith L Montgomery, Stanley E Kim, Jonathan Dyce, Antonio Pozzi
BACKGROUND: Loss of dorsal acetabular rim (DAR) is a common sequela to canine hip dysplasia. The purpose of this study is to evaluate the effect of DAR loss on the initial stability of the cementless (BFX) acetabular cup. BFX cups were implanted into foam blocks reamed to resemble acetabulae with simulated 0, 25, 50, and 75% DAR loss. Models were tested in edge loading of the lateral surface of the cup with an indenter, and in centered loading with an articulated femoral prosthesis. Additionally, cups were implanted into paired cadaveric canine hemipelves with either no DAR depletion, or removal of 50% of the DAR, and acutely loaded to failure with an articulated femoral prosthesis...
December 2015: BMC Veterinary Research
https://www.readbyqxmd.com/read/25737669/ceramic-liner-fracture-and-impingement-in-total-hip-arthroplasty
#11
Amy Steinhoff, Victor Hakim, Richard H Walker, Clifford W Colwell, Steven N Copp
BACKGROUND: Ceramic-on-ceramic bearing surfaces were developed to provide an alternate to metal-on-polyethylene to decrease wear-induced osteolysis in total hip arthroplasty patients. In an effort to decrease the risk of ceramic acetabular component fracture or damage during implantation, a raised metal rim was added. QUESTIONS/PURPOSES: How many fractures or impingements have occurred in our population of patients with ceramic liners with raised rims? METHODS: With IRB-approved consent, a case series was reviewed from a single center registry and 4 of 169 patients were identified who had revision hip surgery with the ceramic liner with a raised metal rim: one for ceramic liner fracture and three for metallosis, pain, and squeaking...
February 2015: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/25722907/unusual-bilateral-rim-fracture-in-femoroacetabular-impingement
#12
Claudio Rafols, Juan Edo Monckeberg, Jorge Numair
This is a report of one case of bilateral acetabular rim fracture in association with femoroacetabular impingement (FAI), which was treated with a hip arthroscopic procedure, performing a partial resection, a labral reinsertion, and a subsequential internal fixation with cannulated screws. Up to date, there are in the literature only two reports of rim fracture and "os acetabuli" in association with FAI. In the case we present, the pincer and cam resection were performed without complications; the technique used was published previously...
2015: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/25638891/-anatomic-measurements-and-quantitative-analysis-of-posterior-acetabular-wall
#13
Yang Tang, Yun-tong Zhang, Chun-cai Zhang, Pan-feng Wang, Xue Zhao, Xiong-wei Lu, Xiao-peng Hu
OBJECTIVE: To explore morphological character and clinical significance of superior-posterior acetabular wall by anatomically measuring and quantitatively analyzing thickness of posterior acetabular wall, then provide a theoretical reference for clinical treatment of acetabular fracture. METHODS: Fifteen adult formalin-preserved cadaveric pelvises (8 males and 7 females) were used for this investigation. Excess soft tissue was removed and the whole acetabular posterior walls were marked with "angle" sector method and the thickness was measured with caliper in different levels of the different split points...
December 2014: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/25313696/-the-stoppa-approach-for-treatment-of-acetabular-fractures
#14
W Lehmann, F Fensky, M Hoffmann, J M Rueger
OBJECTIVE: The Stoppa approach in its modified form is an intrapelvine approach for the treatment of acetabular fractures. It is an alternative to the ilioinguinal approach. Goals are the gentle soft-tissue preparation, anatomic reduction and stable internal fixation. Here, the approach is described in detail together with possible expansion possibilities. INDICATIONS: The Stoppa approach in particular is used for the treatment of fractures of the anterior column with participation of the quadrilateral surface, transverse fractures, T-type fractures, but also 2-column fractures when the main pathology is located in anterior portions of the acetabulum...
October 2014: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/25197945/surgical-hip-dislocation-is-safe-and-effective-following-acute-traumatic-hip-instability-in-the-adolescent
#15
David A Podeszwa, Adriana De La Rocha, Annalise N Larson, Daniel J Sucato
BACKGROUND: A traumatic hip dislocation in the pediatric patient is a rare but potentially catastrophic injury. The purpose of this study was to review our early clinical results and radiographic morphology of hips treated with a surgical hip dislocation (SHD) approach for intra-articular hip pathology resulting from traumatic instability in pediatric and adolescent patients. METHODS: This is a retrospective analysis of a consecutive series of patients presenting with nonconcentric reduction after traumatic hip instability...
July 2015: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/24823229/reconstruction-of-acetabular-deficiency-utilizing-iliac-bone-graft
#16
EDITORIAL
R Eaton, W N Capello
ABSTRACT; Acetabular reconstructions were performed on 12 hips possessing deficient acetabuli. Eleven required total hip arthroplasties for relief of pain; seven of which were surface replacements. The one remaining h ip had erosion of the posterior wall, secondary to spastic paraparesis, and the posterior wall was reconstructed. The etiologies of the deficient acetabuli included five secondary to fracture/dislocation, four with acetabular dysplasias, and three related to failed acetabular components from conventional total hip arthroplasties...
August 1, 1983: Orthopedics
https://www.readbyqxmd.com/read/24749038/management-of-incarcerating-pincer-type-femoroacetabular-impingement-with-hip-arthroscopy
#17
Amir A Jamali, Andrea Palestro, John P Meehan, Meghan Sampson
This report describes the arthroscopic management of a case of incarcerating pincer-type femoroacetabular impingement. The hip joint had a marked restriction of range of motion and secondary pain as a result of osteophytes wrapping around the femoral head down the femoral neck. The patient was treated with staged bilateral hip arthroscopy. The procedures were initially performed through the peripheral compartment to remove the incarcerating acetabular rim, followed by arthroscopy of the central compartment with acetabuloplasty and femoral head osteochondroplasty...
February 2014: Arthroscopy Techniques
https://www.readbyqxmd.com/read/24724618/effect-of-dorsal-acetabular-rim-loss-on-stability-of-the-zurich-cementless-total-hip-acetabular-cup-in-dogs
#18
Dana M DeSandre-Robinson, Stanley E Kim, Jeffrey N Peck, Jason D Coggeshall, Giovanni Tremolada, Antonio Pozzi
OBJECTIVE: To evaluate magnitude and mode of acute load to failure of the Zurich Cementless acetabular cup prosthesis in cadaveric specimens with and without 50% dorsal acetabular rim loss. STUDY DESIGN: In vitro mechanical study. SAMPLE POPULATION: Cadaveric hemipelves of adult dogs (n = 8). METHODS: Each pair of hemipelves was prepared by dissection of surrounding musculature and implantation of a Zurich Cementless acetabular cup prosthesis...
February 2015: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/24712189/-pelvic-fractures-early-management-of-hemodinamically-unstable-patients
#19
L J Fernández-Palomo
INTRODUCTION: Fractures that compromise pelvic and/or acetabular mechanical stability are usually injuries caused by high energy mechanisms and are life threatening. OBJECTIVE: To present the treatment options for the early stabilization of pelvic rim injuries and acetabular fractures in hemodinamically unstable patients. MATERIAL AND METHODS: Retrospective, cross-sectional, descriptive study in patients with diagnosis of pelvic ring or acetabular fracture and hemodynamic instability seen in the emergency room between January 2002 and December 2010...
September 2012: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/24691909/the-exeter-method-acetabular-impaction-grafting-with-cemented-reimplantation
#20
T G Petheram, J R Howell
OBJECTIVE: Restoration of acetabular anatomy and biomechanics at revision hip surgery by replacing deficient acetabular bone through impaction of allograft and/or autograft bone chips. INDICATIONS: Aseptic loosening of the socket due to osteolysis, bone loss from infection, iatrogenic bone loss due to implant removal, and in the primary setting protrusio acetabuli, dysplasia and previous acetabular fracture. CONTRAINDICATIONS: Large segmental peripheral acetabular defects which cannot be contained, the presence of untreated infection, unstable acetabular fractures, previous radiotherapy to the affected hip area...
April 2014: Operative Orthopädie und Traumatologie
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