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https://www.readbyqxmd.com/read/28630852/adult-traumatic-inferior-hip-dislocation-rare-case-ended-with-open-reduction
#1
Salam Ismael, J Vora, P Thomas
INTRODUCTION: An inferior hip dislocation also called luxatio erecta femoris is a rare type of hip dislocation that is not widely reported in literature. Only 12 cases are reported in British literature. CASE REPORT: This article reports a 17-year-old male involved in a road traffic accident, sustaining inferior hip dislocation. Following resuscitation, computed tomography confirmed the clinical diagnoses. Several attempts to perform a closed reduction of the hip under sedation and general anesthesia failed to reduce the dislocation...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28629944/what-are-the-risk-factors-for-dislocation-in-primary-total-hip-arthroplasty-a-multicenter-case-control-study-of-128-unstable-and-438-stable-hips
#2
M H Fessy, S Putman, A Viste, R Isida, N Ramdane, A Ferreira, A Leglise, B Rubens-Duval, N Bonin, F Bonnomet, A Combes, S Boisgard, D Mainard, S Leclercq, H Migaud
INTRODUCTION: Dislocation after total hip arthroplasty (THA) is a leading reason for surgical revision. The risk factors for dislocation are controversial, particularly those related to the patient and to the surgical procedure itself. The differences in opinion on the impact of these factors stem from the fact they are often evaluated using retrospective studies or in limited patient populations. This led us to carry out a prospective case-control study on a large population to determine: 1) the risk factors for dislocation after THA, 2) the features of these dislocations, and 3) the contribution of patient-related factors and surgery-related factors...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28629942/can-a-target-zone-safer-than-lewinnek-s-safe-zone-be-defined-to-prevent-instability-of-total-hip-arthroplasties-case-control-study-of-56-dislocated-tha-and-93-matched-controls
#3
N Reina, S Putman, R Desmarchelier, E Sari Ali, P Chiron, M Ollivier, J Y Jenny, D Waast, C Mabit, E de Thomasson, C Schwartz, P Oger, L E Gayet, H Migaud, N Ramdane, M H Fessy
BACKGROUND: Various factors contribute to instability of total hip arthroplasty (THA), with implant orientation being a major contributor. We performed a case-control study with computed tomography (CT) data to determine whether 1) orientation contributes to THA instability and 2) a safer target zone for stability than Lewinnek's classic safe zone can be defined. MATERIAL AND METHODS: We included prospectively 363 cases of THA dislocation that occurred during the calendar 2013 year in 24 participating hospitals...
June 16, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28625687/can-surgeons-reduce-the-risk-for-dislocation-after-primary-total-hip-arthroplasty-performed-using-the-posterolateral-approach
#4
Kurt G Seagrave, Anders Troelsen, Bjørn G Madsen, Henrik Husted, Thomas Kallemose, Kirill Gromov
BACKGROUND: Hip dislocation is one of the most common postoperative complications after total hip arthroplasty (THA). Potential contributors include patient- and surgical-related factors. We performed a retrospective cohort study to identify risk factors for postoperative dislocation in patients receiving THA via the posterolateral approach. METHODS: We assessed 1326 consecutive primary THAs performed between 2010 and 2015. Patient information was documented, and plain radiographic films were used to evaluate cup positioning, hip offset, and hip length change...
May 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28614289/mri-in-postreduction-evaluation-of-developmental-dysplasia-of-the-hip-our-experience
#5
Daniela Dibello, Luca Odoni, Federica Pederiva, Valentina Di Carlo
BACKGROUND: Developmental dysplasia of the hip (DDH) is one of the most common congenital defects in the newborn. When its severe form is not corrected, it is associated with long-term morbidity. Closed reduction with casting is the standard primary treatment and reduction is confirmed by magnetic resonance imaging (MRI). We reported our experience on the reliability of MRI in postreduction assessment of DDH. METHODS: All children who underwent closed reduction for Graf type IV DDH at our institution between September 2010 and June 2016 were retrospectively reviewed...
June 13, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28611965/dissociation-of-polyethylene-liner-of-the-dual-mobility-acetabular-component-after-closed-reduction-of-dislocation-a-case-report
#6
Kee Hyung Rhyu, Chan Il Bae, Ju-Hyun Nam, Jung-Gwon Bae, Yoon Je Cho, Young Soo Chun
A dual mobility acetabular component has a structure that combines a polyethylene liner and a femoral head, unlike the general design of acetabular cups, making the dissociation of a polyethylene liner highly unlikely. In addition, it increases the range of motion and reduces the possibility of dislocations by increasing a jump distance. A fifty-one-year-old male who had received total hip arthroplasty with the dual mobility acetabular component visited a hospital for a posterior hip dislocation 10 weeks after the operation...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28611959/measuring-the-impact-of-femoral-head-size-on-dislocation-rates-following-total-hip-arthroplasty
#7
Min-Wook Kim, Young-Yool Chung, Ji-Won Lee, Chel-Hwan Kim
PURPOSE: The purpose of this study was to evaluate if the femoral head's size has an impact on dislocation rates following total hip arthroplasty (THA). MATERIALS AND METHODS: Five hundreds forty-three THA performed using a posterolateral approach in our hospital and followed up more than 6 months were included in this study. We evaluated dislocation rates based on the size of femoral head (28 mm vs. over 32 mm) and further investigated the dislocation rates classified into primary and revision surgery...
June 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/28607788/a-case-of-fracture-redislocation-of-the-hip-caused-by-a-depressed-fracture-of-the-femoral-head-similar-to-a-hill-sachs-lesion
#8
Yoshihiko Okudera, Hiroaki Kijima, Shin Yamada, Natsuo Konishi, Hitoshi Kubota, Hiroshi Tazawa, Takayuki Tani, Norio Suzuki, Keiji Kamo, Ken Sasaki, Tetsuya Kawano, Yosuke Iwamoto, Naohisa Miyakoshi, Yoichi Shimada
The present case shows a case of fracture-redislocation of the hip caused by a depressed fracture of the femoral head similar to a Hill-Sachs lesion. A 59-year-old man fell from a roof and his left hip joint was dislocated posteriorly. He was admitted to a nearby hospital, and he was referred to our hospital more than 24 hours after injury. Computed tomography (CT) suggested a bone chip from the posterior wall of the acetabulum roof and a depressed femoral head that cut into the posterior margin of the acetabulum roof...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28606460/dual-mobility-vs-fixed-bearing-total-hip-arthroplasty-in-patients-under-55-years-of-age-a-single-institution-matched-cohort-analysis
#9
Fiachra E Rowan, Anthony J Salvatore, Jeffrey K Lange, Geoffrey H Westrich
BACKGROUND: Prosthetic dislocation of total hip arthroplasty (THA) is a common cause for revision surgery. Dual-mobility (DM) bearings were introduced to mitigate complications; however, their performance in younger patients is unknown. This study compared results of patients <55 years of age with DM vs fixed-bearing (FB) primary THA. METHODS: Our total joint registry was used to evaluate primary THA patients <55 years of age, and then, an age-matched comparative analysis was performed for 136 THAs using third-generation highly cross-linked polyethylene DM bearings and 136 THAs using FB from the same manufacturer with mean follow-up of 3...
May 11, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28602532/what-is-the-difference-between-modular-and-nonmodular-tapered-fluted-titanium-stems-in-revision-total-hip-arthroplasty
#10
Yong Huang, Yixin Zhou, Hongyi Shao, Jianming Gu, Hao Tang, Qiheng Tang
BACKGROUND: Both modular and nonmodular tapered fluted titanium stems are used in revision total hip arthroplasty (THA), with follow-up showing good results for both stems. We aimed to determine whether there were any differences in clinical outcomes, survivorship, or frequency of complications. METHODS: A retrospective review of 160 consecutive THAs (153 patients) revised with a tapered fluted modular titanium stem from 2002 to 2014 and 129 consecutive THAs (128 patients) revised with a tapered fluted nonmodular titanium stem between 2008 and 2014 was conducted...
May 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28602179/surgical-results-and-factors-influencing-outcome-in-patients-with-posterior-wall-acetabular-fracture
#11
Raffaele Pascarella, Simone Cerbasi, Rocco Politano, Giovanni Balato, Rossana Fantasia, Gianclaudio Orabona, Massimo Mariconda
The purpose of this study was to evaluate the results of open reduction and internal fixation in a large series of posterior wall fractures of the acetabulum and to identify the factors that affect the outcomes in this case series. One hundred twenty-one patients who had undergone open reduction and internal fixation of a fracture of the posterior wall of the acetabulum were assessed at a mean of 53 months (range, 24-163) after surgery. The functional outcome was evaluated with use of the modified Merle d'Aubigne scoring system, the Harris Hip Score (HHS), and the Short Form-36 Health Survey (SF-36) questionnaire...
June 6, 2017: Injury
https://www.readbyqxmd.com/read/28594688/treatment-of-the-lower-extremity-contracture-deformities
#12
Harold J P van Bosse, Eva Pontén, Akifusa Wada, Olga E Agranovich, Bartłomiej Kowalczyk, Ehud Lebel, Hakan Şenaran, Denis V Derevianko, Maxim A Vavilov, Ekaterina V Petrova, Dmitry B Barsukov, Sergey F Batkin, Sharon Eylon, Vladimir M Kenis, Yulia V Stepanova, Dmitry S Buklaev, Guney Yilmaz, Oksana Köse, Svetlana I Trofimova, Fatih Durgut
Lower extremity deformities of patients with arthrogryposis multiplex congenita present a wide spectrum of severity and deformity combinations. Treatment goals range from merely ensuring comfortable seating and shoe wear, to fully independent and active ambulation, but the overarching intention is to help realize the patient's greatest potential for independence and function. Treatment of hip and knee contractures and dislocations has become more interventional, whereas treatment of foot deformities has paradoxically become much less surgical...
July 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28592084/-modified-capsular-arthroplasty-for-young-patients-with-developmental-dislocation-of-the-hip
#13
Z D Zhang, D Z Luo, H Zhang
Developmental dislocation of the hip(DDH) is one of the most serious hip diseases. Patients with unilateral DDH are prone to secondary osteoarthritis, low back pain, gait disturbance and compensatory scoliosis because of the leg length discrepancy. Total hip arthroplasty(THA) is the highly effective treatment for patients with hip pain or dysfunction caused by unilateral DDH, thus decrease the demand for hip-preserving surgeries such as capsular arthroplasty which may postpone or avoid hip replacement. However, the failure rate of THA for young patients is high and the majority of young patients may require one or more revision arthroplasties throughout their lifetime...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28592072/-effects-of-trabecular-metal-augments-for-the-reconstruction-of-paprosky-type-%C3%A2-acetabulum-bone-defects
#14
Y Q Du, Y G Zhou, S Piao, W M Wu, H Y Ma, Z S Gao, J Y Sun, C Zheng, S Wang
Objective: To investigate the methods and short-time clinical results of reconstruction of Paprosky type Ⅲ acetabulum bone defects by using tantalum augments. Methods: A total of 17 patients (17 hips) with Paprosky type Ⅲ acetabulum bone defects, treated with tantalum augments in revision of total hip arthroplasty at Department of Orthopedics Surgery in General Hospital of Chinese People's Liberation Army were retrospectively analyzed from March 2014 to May 2016.There were 6 males and 11 females aged from 23 to 74 years with an average of (50...
June 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28591963/-extensively-porous-coated-distal-fixation-long-stem-prosthesis-for-unstable-proximal-femur-fracture-with-complex-hip-disease
#15
Song Hong, Jia-Sheng Lin, Yong Zhou, Chang Zou, Wen-Li Zhang, Hong Duan, Chong-Qi Tu
OBJECTIVES: To evaluate the clinical results of femoral proximal fracture with complex hip diseases using an uncemented extensively porous-coated long femoral stems. METHODS: 15 cases of femoral proximal fracture with complex hip diseases treated with the uncemented extensively porous-coated long femoral stem were retrospectively reviewed. All patients were followed up at 1, 3, 6, 12 months in the first year postoperatively and once a year from the second year on...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28589877/arthroscopic-treatment-of-chondral-defects-in-the-hip-amic-maci-microfragmented-adipose-tissue-transplantation-matt-and-other-options
#16
Eugenio Jannelli, Andrea Fontana
Chondral lesions are currently considered in the hip as a consequence of trauma, osteonecrosis, dysplasia, labral tears, loose bodies, dislocation, previous slipped capital femoral epiphysis and Femoro-Acetabular-Impingement (FAI). The management of chondral lesions is debated and several techniques are described. The physical examination must be carefully performed, followed by radiographs and magnetic resonance imaging (MRI). Differential diagnosis with other pathologies must be considered. Debridement is indicated in patients younger than 50 years with a chondropathy of 1st or 2nd degree...
2017: SICOT-J
https://www.readbyqxmd.com/read/28586624/does-participation-in-sports-affect-osteoarthritic-progression-after-periacetabular-osteotomy
#17
Daisuke Hara, Satoshi Hamai, Jun-Ichi Fukushi, Ken-Ichi Kawaguchi, Goro Motomura, Satoshi Ikemura, Keisuke Komiyama, Yasuharu Nakashima
BACKGROUND: Periacetabular osteotomy (PAO) is an effective treatment for symptomatic acetabular dysplasia. However, whether postoperative participation in sports leads to progression of the Kellgren-Lawrence (KL) grade of osteoarthritis (OA) in these patients is unclear. PURPOSE: To investigate (1) participation in sports before and after PAO and (2) whether postoperative participation in sports leads to progression of the KL grade. STUDY DESIGN: Case-control study; Level of evidence, 3...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28579448/conversion-of-hip-hemiarthroplasty-to-total-hip-arthroplasty-utilizing-a-dual-mobility-construct-compared-with-large-femoral-heads
#18
Brian P Chalmers, Kevin I Perry, Arlen D Hanssen, Mark W Pagnano, Matthew P Abdel
BACKGROUND: Conversion of hemiarthroplasty to total hip arthroplasty (THA) has a historically high, up to 20%, postoperative dislocation rate. As such, dual-mobility (DM) constructs are an attractive option to mitigate this complication. We analyzed survivorship free of revision, complications, and clinical outcomes of hemiarthroplasties conversion to THAs utilizing DM constructs compared with large femoral heads (≥36 mm). METHODS: Conversion of 16 hemiarthroplasties to THAs with a specific DM construct compared with 13 conversions utilizing large femoral heads (≥36 mm) from 2011 to 2014 were reviewed...
May 12, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28578842/what-is-the-impact-of-a-spinal-fusion-on-acetabular-implant-orientation-in-functional-standing-and-sitting-positions
#19
Jean Y Lazennec, Ian C Clark, Dominique Folinais, Imen N Tahar, Aidin E Pour
BACKGROUND: This study used EOS imaging of primary total hip arthroplasty (THA) patients, with and without predating spinal fusion, to investigate (1) the impact of spinal fusion on acetabular implant anteversion and inclination, and (2) whether more extensive spinal fusion (fusion starting above the thoracolumbar junction or extension of fusion to the sacrum) affects acetabular implant orientation differently than lumbar only spinal fusion. METHODS: Ninety-three patients had spinal fusion (case group), and 150 patients were without spinal fusion (controls)...
May 5, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28578764/editorial-commentary-with-new-technology-comes-new-responsibility-do-the-complications-of-hip-arthroscopy-see-us-more-often-than-we-see-them
#20
EDITORIAL
Asheesh Bedi
A database study of the codes for hip arthroscopy reports a rate of major and minor complications that is higher than previously reported in the literature. The relative risk of conversion to hip replacement or a subsequent fracture or dislocation is greater than in the general population.
June 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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