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https://www.readbyqxmd.com/read/29909958/preventing-complications-associated-with-operating-on-taper-corrosion
#1
Tad M Mabry
BACKGROUND: Revision total hip arthroplasty for the treatment of taper corrosion has become increasingly common. The purpose of this portion of the symposium was to describe the most common complications of this procedure and to delineate specific measures that might be taken to prevent these complications. METHODS: A literature review was performed focusing on the results and complications of revision total hip arthroplasty performed for taper corrosion. RESULTS: The most common modes of failure after revision total hip arthroplasty in the setting of taper corrosion include the 4 I's: infection, instability, implant loosening, and ions (recurrent adverse local tissue reaction)...
May 29, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29896016/a-multimodal-approach-prevents-instability-after-total-hip-arthroplasty-a-1-year-follow-up-prospective-study
#2
Omar Amado, Maria Bautista, Jose Moore, Guillermo Bonilla, Nicolas Jimenez, Adolfo Llinás
Introduction: Joint dislocation is one of the most frequent complications after hip arthroplasty. Multiple strategies have demonstrated ability to prevent instability when used in isolation, but the effect when more than one intervention is implemented has not been measured. The purpose of this study is to assess the rate of dislocation after implementation of a protocol of combined strategies for prevention of instability. Materials and methods: Consecutive patients undergoing primary total hip replacement for hip osteoarthritis between February 2012 and June 2014 were included...
April 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29881180/progressive-osteoarthritis-during-pregnancy-several-years-following-hip-arthroscopy-for-femoroacetabular-impingement
#3
Daniel Lee Jones, Matthew Truesdale Philippi, Travis Gardner Maak, Stephen Kenji Aoki
Case: A 28-year-old with borderline left hip dysplasia who underwent arthroscopic acetabuloplasty, femoral osteochondroplasty, and labral repair for femoroacetabular impingement. She did well for 8 years, though required arthroscopic capsulolabral adhesion release 2 years after the initial procedure. After this period of stability, she developed left hip pain during pregnancy. Radiographs demonstrated progressive osteoarthritis that lead to total hip arthroplasty at age 37. Conclusion: The physiologic and hormonal changes during pregnancy leading to increased ligamentous laxity may put vulnerable patients with hip dysplasia and iatrogenic instability at increased risk for progression of osteoarthritis...
June 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29878970/comprehensive-review-of-current-constraining-devices-in-total-hip-arthroplasty
#4
Johannes Michiel Van der Merwe
Hip instability after total joint arthroplasty is a devastating complication. Appropriate management of instability is a challenge. Three components that are commonly used in these challenging scenarios are constrained liners, constrained tripolar components, and nonconstrained tripolar components. The biomaterials and biomechanics of these devices vary. Surgeons must take into account the risks associated with each of these components and some surgical pearls for their use. A thorough review of the recent literature allows comparison of results addressing the short-, medium-, and long-term survival of each component...
June 6, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29876703/clinical-indications-for-musculoskeletal-ultrasound-updated-in-2017-by-european-society-of-musculoskeletal-radiology-essr-consensus
#5
Luca Maria Sconfienza, Domenico Albano, Georgina Allen, Alberto Bazzocchi, Bianca Bignotti, Vito Chianca, Fernando Facal de Castro, Elena E Drakonaki, Elena Gallardo, Jan Gielen, Andrea Sabine Klauser, Carlo Martinoli, Giovanni Mauri, Eugene McNally, Carmelo Messina, Rebeca Mirón Mombiela, Davide Orlandi, Athena Plagou, Magdalena Posadzy, Rosa de la Puente, Monique Reijnierse, Federica Rossi, Saulius Rutkauskas, Ziga Snoj, Jelena Vucetic, David Wilson, Alberto Stefano Tagliafico
OBJECTIVES: To update the 2012 European Society of Musculoskeletal Radiology (ESSR) clinical consensus guidelines for musculoskeletal ultrasound referral in Europe. METHODS: Twenty-one musculoskeletal imaging experts from the ESSR participated in a consensus study based on a Delphic process. Two independent (non-voting) authors facilitated the procedure and resolved doubtful issues. Updated musculoskeletal ultrasound literature up to July 2017 was scored for shoulder, elbow, wrist/hand, hip, knee, and ankle/foot...
June 6, 2018: European Radiology
https://www.readbyqxmd.com/read/29876134/simultaneous-acetabular-labrum-and-ligamentum-teres-reconstruction-a-case-report
#6
Brian J White, Alexandra M Scoles, Mackenzie M Herzog
This study aims to present the surgical technique for reconstructing both the acetabular labrum and the ligamentum teres and to describe the early outcomes of this procedure in a 15-year-old male with recurrent hip instability. A 15-year-old patient with recurrent left hip dislocation, hip joint instability and failed non-operative intervention presented following two left hip dislocations. A labral reconstruction was performed utilizing an iliotibial band allograft tissue with a concomitant ligamentum teres reconstruction using a tibialis anterior allograft...
July 2018: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/29866666/cause-of-irreducible-dislocation-of-a-re-revision-thr
#7
Evelyn Patricia Murphy, Christopher Fenelon, Shane Russell, Finbarr Condon
Instability or recurrent dislocations are a common reason for revision of total hip replacements (THRs). Dual-mobility constructs can help improve stability by increasing the femoral head jump distance. These constructs are used to decrease the risk of re-revision in the setting of recurrent dislocation. This case describes an unusual case of irreducible dislocation of a re-revision THR due to intraprosthetic dislocation. The patient required open reduction and revision of this construct to a tripolar implant...
June 4, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29851695/hip-instability-in-patients-with-down-syndrome
#8
Daniel Maranho, Kathryn Fuchs, Young-Jo Kim, Eduardo N Novais
The incidence of hip instability in children with Down syndrome is 1% to 7%. The natural history is often progressive, with the typical onset of hypermobility of the hip evolving to habitual dislocation, persistent subluxation, and fixed dislocation, and eventually leading to the loss of independent mobility. Treatment focuses on stabilizing the hip joint and depends on the patient's age and the severity of the disease. Typically, surgical intervention is recommended for the treatment of patients with habitual dislocation, subluxation, and complete dislocation of the hip...
May 30, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29847463/open-reduction-and-internal-fixation-for-the-treatment-of-symptomatic-osteochondritis-dissecans-of-the-femoral-head-in-patients-with-sequelae-of-legg-calv%C3%A3-perthes-disease
#9
Joseph D Lamplot, Perry L Schoenecker, Cecilia Pascual-Garrido, Jeffery J Nepple, John C Clohisy
BACKGROUND: Osteochondritis dissecans (OCD) is estimated to occur in 2% to 7% of patients with Legg-Calvé-Perthes disease (LCPD). Unstable osteochondral fragments secondary to LCPD may produce mechanical symptoms requiring surgical intervention. Reattachment of the fragment with open reduction and internal fixation (ORIF) may provide good clinical outcomes. The purpose of this study is to report short-term clinical and radiographic results of ORIF for the treatment of symptomatic osteochondral lesions resulting from LCPD...
May 29, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29847417/spinopelvic-alignment-in-subjects-with-down-syndrome
#10
Ayman Assi, Ziad Bakouny, Elie Mansour, Jean-Jacques Yaacoub, Fares Yared, Ismat Ghanem
STUDY DESIGN: This was a cross-sectional study. OBJECTIVE: The aim of this study was to describe the spinopelvic alignment of subjects with Down syndrome (DS). SUMMARY OF BACKGROUND DATA: Subjects with DS are known to suffer from a large prevalence of scoliosis. While scoliosis is known to significantly affect postural alignment, there are currently no studies on the spinopelvic alignment of subjects with DS. MATERIALS AND METHODS: In total, 41 subjects (28 female subjects and 13 male subjects) with DS, age and sex-matched to 41 asymptomatic subjects, underwent biplanar x-rays with 3-dimensional reconstructions of their spines and pelvises, followed by measurement of commonly used spinopelvic sagittal and coronal alignment parameters...
May 25, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29807791/an-early-report-of-the-use-of-a-modular-dual-mobility-articulation-in-revision-acetabular-reconstruction
#11
Owen J Diamond, Sujith Konan, Nelson V Greidanus, Donald S Garbuz, Clive P Duncan, Bassam S Masri
BACKGROUND: Instability remains one of the main problems after revision hip surgery. The aim of this study was to review the clinical, radiological, and patient-reported outcomes with the use of modular dual-mobility articulation for revision acetabular reconstruction and investigate the risk of fretting corrosion by measuring serum trace metal ion levels. METHODS: Sixty consecutive patients with a minimum of 24-month follow-up after the insertion of a modular dual-mobility (Stryker, Mahwah, NJ) cup at the time of revision hip surgery were identified...
May 9, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29804606/editorial-commentary-caveat-flexor-to-release-or-not-to-release-the-iliopsoas-that-is-the-question
#12
EDITORIAL
Joshua D Harris
In nonarthritic patients with femoroacetabular impingement syndrome, borderline dysplasia, and symptomatic iliopsoas snapping, arthroscopic iliopsoas fractional lengthening carries a significant risk of postarthroscopic instability. The iliopsoas is a dynamic stabilizer of the anterior hip. Thus, although statistically significant and clinically important improvements in hip function have the potential to be achieved with iliopsoas fractional lengthening, surgeons must be supremely confident in their ability to perform a secure capsular plication, labral preservation (not debridement), comprehensive cam correction, avoidance of intra-abdominal fluid extravasation, release of all iliopsoas tendon bands (if bifid or trifid), and ensure that femoral version is normal or low, neck-shaft angle is not excessively valgus, the dysplasia magnitude is no more than mild, and that there is no excessive soft tissue hypermobility...
June 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29798518/-effectiveness-of-arthroscopic-capsular-release-to-treat-primary-severe-frozen-shoulder-through-trans-cuff-portal
#13
Zhenfei Lu, Jianhua Wang, Bing Xu, Weijia You, Jianwei Wang
Objective: To assess the effectiveness of arthroscopic capsular release to treat primary severe frozen shoulder through trans cuff portal. Methods: Between June 2012 and January 2015, 28 patients with primary severe frozen shoulder were enrolled in the study. There were 8 males and 20 females with an average age of 57 years (range, 42-81 years). The left shoulder was involved in 16 cases and the right one in 12 cases. The mean disease duration was 11 months (range, 7-21 months)...
July 1, 2017: Chinese Journal of Reparative and Reconstructive Surgery
https://www.readbyqxmd.com/read/29782298/orthopedic-and-cutaneous-reactions-to-nickel-after-total-hip-replacement
#14
Domagoj Delimar, Ivan Bohaček, Zrinjka Paštar, Jasna Lipozenčić
Implant degradation products have shown signs of a cutaneous allergic response after implantation of a metal orthopedic replacement, loosening and failure of the joints as well as skin rashes, general fatigue, pain, and impaired wounds and bone healing. The prevalence of contact skin sensitivity in patients with a joint replacement device is higher than that in the general population. This delayed hypersensitivity to metallic orthopedic implants is more clearly defined and is a contributing factor to implant failure...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29781789/the-influence-of-wearing-ski-boots-with-different-rigidity-characteristics-on-postural-control
#15
Frédéric Noé, Xavier García-Massó, Pauline Delaygue, Audrey Melon, Thierry Paillard
External supports that reduce ankle joint mobility such as ski-boots can impair postural control of healthy participants. Although this disruptive effect has been attributed to the rigidity of the external supports, the results remained controversial and no study has been conducted in order to evaluate the influence of ski-boots rigidity. Hence, the question about the influence of ankle support rigidity on postural control remains open. This study was therefore undertaken in order to investigate the effect of ski-boots rigidity on postural control...
May 21, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29781290/dual-mobility-bearings-for-patients-with-abductor-trochanteric-complex-%C3%A4-nsufficiency-dual-mobility-for-abductor-trochanteric-complex-%C3%A4-nsufficiency
#16
Vahit E Ozden, Goksel Dikmen, Burak Beksac, Remzi Tozun
INTRODUCTION: The purpose of this study was to summarise the performance of dual-mobility cup systems for revision total hip arthroplasty in patients with abductor-trochanteric complex deficiency. METHODS: We prospectively followed 17 patients (20 hips) with a mean age of 64.5 years (range 33-89 years) who underwent acetabular reconstruction with dual-mobility cups for aseptic loosening in 12 hips, infection treatment as second or single stage in 6 hips, and instability in 2 hips...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29774386/outcomes-are-equivalent-for-two-column-acetabular-fractures-either-with-or-without-posterior-wall-fractures
#17
Byung-Woo Min, Kyung-Jae Lee, Jae-Won Jung, Gyo-Wook Kim, Kwang-Soon Song, Ki-Cheor Bae, Si-Wook Lee
INTRODUCTION: It is likely that posterior-wall involvement in association with two-column fractures plays a pivotal role in outcomes because of the potential for hip instability if it is not anatomically reduced and fixed. Uncertainty remains about how this fracture is best treated, especially regarding how posterior-wall involvement may affect functional results. MATERIALS AND METHODS: To better understand the role that posterior-wall involvement may play in determining functional results, we compared data for outcomes for patients with posterior-wall involvement and for those without in a consecutive series of two-column fractures...
May 17, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29774222/asymmetrical-traumatic-bilateral-hip-dislocations-with-hemodynamic-instability-and-an-unstable-pelvic-ring-case-report-and-review-of-literature
#18
Kai Huang, Grey Giddins, Jian-Fang Zhang, Jian-Wei Lu, Jun-Ming Wan, Peng-Li Zhang, Shao-Yu Zhu
Simultaneous anterior and posterior traumatic dislocations of both hips are very rare. Only 33 cases have been previously reported in the English language literature. Although they were all due to high-energy injuries, they were hemodynamically stable and had a stable pelvic ring. We report a unique case of asymmetrical hip dislocations with an unstable pelvic ring and hemodynamic instability. A 40-year-old man was injured in a high-energy motor vehicle accident. He was hemodynamically unstable when he presented in the emergency department...
May 16, 2018: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/29768929/current-concepts-in-revision-hip-arthroscopy
#19
Renato Locks, Ioanna Bolia, Hajime Utsunomiya, Karen Briggs, Marc J Philippon
Hip arthroscopy is an evolving procedure and its indications have expanded. The number of patients undergoing this procedure has increased significantly as well as the number of surgeons being trained. This has resulted in a notable increase in post-operative complication rates creating the need to develop advanced hip arthroscopic techniques. Revision hip arthroscopy is often complex and many factors should be considered to achieve a satisfactory clinical outcome. Careful pre-operative planning and agreement of expectations between the physician and patient regarding the procedure are important...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29758570/acute-hip-abduction-fatigue-on-lumbopelvic-hip-complex-stability-in-softball-players
#20
Jessica Washington, Gabrielle Gilmer, Gretchen Oliver
During an overhead throw, the gluteal muscle group stabilizes the lumbopelvic-hip complex (LPHC), leading to efficient energy transfer from the lower to upper extremity. It has been shown that LPHC instability can lead to throwing pathomechanics. The single leg squat has become a common assessment for LPHC stability, and could be used to determine the effects of fatigue on throwing athletes. The purpose of this study was to determine the effects of an acute abduction fatigue protocol on the LPHC of collegiate softball players via the single leg squat assessment of the leg ipsilateral to the throwing arm...
May 14, 2018: International Journal of Sports Medicine
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