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https://www.readbyqxmd.com/read/28097253/practical-implications-of-the-lumbar-spine-and-its-function-on-total-hip-arthroplasty
#1
EDITORIAL
Vincent Vinh Gia An, Brahman Shankar Sivakumar, Yadin David Levy, Jim Pierrepont, Warwick James Bruce
Correct component placement is of significant importance to ensure optimal outcomes in total hip arthroplasty (THA). Traditionally, the Lewinnek plane has been referenced as an adequate "safe zone", formed between the anterior superior iliac spines and public tubercles to optimize acetabular orientation. However, recent evidence shows that the positioning of this plane may vary due to the biomechanical relationship between the lumbar spine and hip. Therefore, the plane acquired intraoperatively may not accurately recreate the actual functional plane and acetabular orientation encountered outside of the intraoperative environment...
December 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28097109/accuracy-and-reliability-of-preoperative-on-screen-templating-using-digital-radiographs-for-total-hip-arthroplasty
#2
Jong Ki Shin, Seung Min Son, Tae Woo Kim, Won Chul Shin, Jung Sub Lee, Kuen Tak Suh
PURPOSE: Preoperative on-screen templating is a method of using acetate templates on digital images. The aim of the present study was to evaluate the accuracy, intra- and interobserver reliabilities of preoperative on-screen templating using digital radiographs for total hip arthroplasty (THA). MATERIALS AND METHODS: Two hundred patients with hip disease who were treated with primary cementless THA were retrospectively evaluated. The accuracy of on-screen templating was assessed by comparing the predicted prosthesis sizes with the actual sizes used operatively...
December 2016: Hip & Pelvis
https://www.readbyqxmd.com/read/28095724/reverse-hybrid-total-hip-arthroplasty
#3
Helge Wangen, Leif I Havelin, Anne M Fenstad, Geir Hallan, Ove Furnes, Alma B Pedersen, Søren Overgaard, Johan Kärrholm, Göran Garellick, Keijo Mäkelä, Antti Eskelinen, Lars Nordsletten
Background and purpose - The use of a cemented cup together with an uncemented stem in total hip arthroplasty (THA) has become popular in Norway and Sweden during the last decade. The results of this prosthetic concept, reverse hybrid THA, have been sparsely described. The Nordic Arthroplasty Register Association (NARA) has already published 2 papers describing results of reverse hybrid THAs in different age groups. Based on data collected over 2 additional years, we wanted to perform in depth analyses of not only the reverse hybrid concept but also of the different cup/stem combinations used...
January 18, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28093896/intravenous-combined-with-topical-administration-of-tranexamic-acid-in-primary-total-hip-arthroplasty-a-randomized-controlled-trial
#4
Yi Zeng, Hai-Bo Si, Bin Shen, Jing Yang, Zong-Ke Zhou, Peng-de Kang, Fu-Xing Pei
OBJECTIVE: Although there are still some controversies, large previous studies have confirmed that intravenous (i.v.) tranexamic acid (TXA) can effectively reduce blood loss and transfusions in total hip arthroplasty (THA) without increasing the risk of deep venous thrombosis. However, few studies have investigated the combination of i.v. and topical application of TXA in primary THA. The purpose of our current study is to examine whether i.v. combined with topical administration of TXA decreases postoperative blood loss and transfusion rates after THA...
January 17, 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28091768/total-hip-arthroplasty-instability-treatment-without-dual-mobility-cups-brief-overview-and-experience-of-other-options
#5
REVIEW
Luigi Zagra, Eleonora Caboni
Dual mobility cups are getting increasing interest for the prevention, but also in the treatment of THA instability. Nevertheless when a dislocation occurs the main issue remains the knowledge and the correction of the causes of dislocation, including reorientation of the components and soft tissues treatment. There are several options of alternative implants to DMCs including upsizing of the head, and constrained liners. The Authors present how to evaluate patients with THA instability, the advantages and the disadvantages of each procedure and their experience in the treatment of cases without DMCs during a five years' time period...
January 14, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28091739/survival-of-uncemented-cups-from-a-single-manufacturer-implanted-from-1985-to-2013-finnish-arthroplasty-register-data
#6
Antton Palomäki, Lasse Lempainen, Markus Matilainen, Antti Eskelinen, Ville Remes, Petri Virolainen, Keijo T Mäkelä
INTRODUCTION: Total hip arthroplasty (THA) with uncemented implants has been a relatively common procedure in Finland during the recent decades. The most common brand of uncemented implants was chosen for further analysis to study the survivorship of this uncemented cup design in comparison to cemented references. PATIENTS, MATERIALS AND METHODS: Since 1980, The Finnish Arthroplasty Register has collected information on THAs on a national level. This study was based on information of THAs recorded in the Finnish Arthroplasty Register from 1985 to 2013...
January 13, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28087160/mri-retrieval-analysis-and-histologic-evaluation-of-adverse-local-tissue-reaction-in-metal-on-polyethylene-total-hip-arthroplasty
#7
Scott R Nodzo, Christina I Esposito, Hollis G Potter, Chitranjan S Ranawat, Timothy M Wright, Douglas E Padgett
BACKGROUND: The severity and location of adverse local tissue reaction (ALTR) seen in metal-on-polyethylene total hip arthroplasty (THA) is not well described. METHODS: We retrospectively reviewed the records of patients who underwent a revision THA using our biomechanics database. We included all patients who underwent revision surgery for the diagnosis of ALTR with THA implants that had modularity solely at the head-neck junction and excluded patients with implant modularity at sites other than the head-neck junction...
December 8, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28087159/the-direct-anterior-approach-for-complex-primary-total-hip-arthroplasty-the-extensile-acetabular-approach-on-a-regular-operating-room-table
#8
Ben Molenaers, Ronald Driesen, Guy Molenaers, Kristoff Corten
BACKGROUND: The direct anterior approach on a regular operating room table has been reported with low dislocation rates. This might be beneficial for complex primary total hip arthroplasty (THA) such as in patients with cerebral palsy or following femoral or pelvic osteotomies. Extending the approach is often required to overcome problems such as acetabular deformities or severe contractures. METHODS: We retrospectively evaluated the results and complications of 29 patients with 37 complex primary THA in which an extensile approach was used...
December 22, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28079634/characteristics-of-patients-with-satisfactory-functional-gain-following-total-joint-arthroplasty-in-a-postacute-rehabilitation-setting
#9
Avital Hershkovitz, Marina Vesilkov, Yichayaou Beloosesky, Shai Brill
BACKGROUND AND PURPOSE: Total joint arthroplasty (TJA) is an effective and successful treatment of osteoarthritis of the hip and knee as quantified by several measures, such as pain relief, improved walking, improved self-care, functions, and increased quality of life. Data are lacking as to the definition of a satisfactory functional gain in a postacute setting and identifying the characteristics of older patients with TJA who may achieve that gain. Our aim was to characterize patients who may achieve a satisfactory functional gain in a postacute rehabilitation setting following TJA...
January 10, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28079428/the-first-6-weeks-of-recovery-after-primary-total-hip-arthroplasty-with-fast-track
#10
Lisette C M Klapwijk, Nina M C Mathijssen, Jeroen C Van Egmond, Bianca M Verbeek, Stephan B W Vehmeijer
Background and purpose - Fast-track protocols have been introduced worldwide to improve the recovery after total hip arthroplasty (THA). These protocols have reduced the length of hospital stay (LOS), and THA in an outpatient setting is also feasible. However, less is known regarding the first weeks after THA with fast track. We examined patients' experiences of the first 6 weeks after hospital discharge following inpatient and outpatient THA with fast track. Patients and methods - In a prospective cohort study, 100 consecutive patients who underwent THA surgery in a fast-track setting between February 2015 and October 2015 received a diary for 6 weeks...
January 12, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28078363/short-term-outcome-after-total-hip-arthroplasty-using-dual-mobility-cup-report-from-lithuanian-arthroplasty-register
#11
Sarunas Tarasevicius, Alfredas Smailys, Kazimieras Grigaitis, Otto Robertsson, Justinas Stucinskas
PURPOSE: The purpose of the study was to investigate how the use of dual-mobility cups (DMCs) affected the risk of revision due to dislocation as well as overall risk of revision compared with a conventional total hip arthroplasty (THA) system in the short term. METHODS: A total of 12,657 primary THAs were registered from the start of 2011 to the end of 2014. 620 THAs were with DMCs. For comparison, we included all registered THAs with Exeter cup and a cemented Exeter stem combined with 28-mm femoral head...
January 12, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28078362/use-of-dual-mobility-cup-in-revision-hip-arthroplasty-reduces-the-risk-for-further-dislocation-analysis-of-seven-hundred-and-ninety-one-first-time-revisions-performed-due-to-dislocation-reported-to-the-swedish-hip-arthroplasty-register
#12
Maziar Mohaddes, Peter Cnudde, Ola Rolfson, Alexander Wall, Johan Kärrholm
PURPOSE: Dislocation after total hip arthroplasty (THA) is a common reason for revision. The last decade fostered a significant increase in the use of dual-mobility cups (DMCs). Here we report our study on the short-term survival rate of a cemented DMC reported to the Swedish Hip Arthroplasty Register (SHAR) compared with other cemented designs used in first-time revision due to dislocation. METHODS: During 2005-2015, 984 first-time revisions for dislocation were reported to SHAR...
January 11, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28077124/important-patient-characteristics-differ-prior-to-total-knee-arthroplasty-and-total-hip-arthroplasty-between-switzerland-and-the-united-states
#13
Patricia D Franklin, Hermes Miozzari, Panayiotis Christofilopoulos, Pierre Hoffmeyer, David C Ayers, Anne Lübbeke
BACKGROUND: Outcomes after total knee (TKA) and hip (THA) arthroplasty are often generalized internationally. Patient-dependent factors and preoperative symptom levels may differ across countries. We compared preoperative patient and clinical characteristics from two large cohorts, one in Switzerland, the other in the US. METHODS: Patient characteristics were collected prospectively on all elective primary TKAs and THAs performed at a large Swiss hospital and in a US national sample...
January 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28077008/is-decreasing-mortality-in-total-hip-and-knee-arthroplasty-patients-dependent-on-patients-comorbidity
#14
Eva N Glassou, Alma B Pedersen, Torben B Hansen
Background and purpose - Mortality after primary total hip and knee arthroplasty (THA and TKA) has declined, and the proportion of THA and TKA patients with comorbid conditions has increased. We therefore wanted to examine changes in comorbidity burden over time and the impact of comorbid on mortality following primary total hip and knee arthroplasty in patients with osteoarthritis. Patients and methods - We used the Danish arthroplasty registers to identify THA and TKA patients from 1996 through 2013. From administrative databases, we collected data on pre-surgery hospital history for all patients, which were used to calculate the Charlson comorbidity index (CCI)...
January 12, 2017: Acta Orthopaedica
https://www.readbyqxmd.com/read/28076320/solid-waste-management-in-thailand-an-overview-and-case-study-tha-khon-yang-sub-district
#15
Nachalida Yukalang, Beverley Dawn Clarke, Kirstin Elizabeth Ross
Due to rapid urbanization, solid waste management (SWM) has become a significant issue in several developing countries including Thailand. Policies implemented by the Central Thai Government to manage SWM issues have had only limited success. This article reviews current municipal waste management plans in Thailand and examines municipal waste management at the local level, with focus on the Tha Khon Yang sub-district surrounding Mahasarakham University in Mahasarakham Province. Within two decades this area has been converted from a rural to an urban landscape featuring accommodation for over 45,000 university students and a range of business facilities...
January 11, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28075436/gait-kinematic-deviations-in-patients-with-developmental-dysplasia-of-the-hip-treated-with-total-hip-arthroplasty
#16
Yong Nie, Ning Ning, Fuxing Pei, Bin Shen, Zongke Zhou, Zongming Li
Comprehensive gait analysis of patients with Crowe type II and III developmental dysplasia of the hip (DDH) after successful total hip arthroplasty (THA) is lacking in the literature. This study evaluated gait function in joint kinematics after unilateral and bilateral THA in patients with DDH. In addition, the effect of high cup position on gait function was investigated. A total of 16 unilateral and 15 bilateral cementless THA patients due to DDH and 10 healthy participants comprised the study population...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28074257/outcomes-of-dual-mobility-cups-in-a-young-middle-eastern-population-and-its-influence-on-life-style
#17
Chahine Assi, Elie El-Najjar, Camille Samaha, Kaissar Yammine
Dual mobility cups (DMC) in total hip arthroplasty (THA) are becoming popular among orthopaedic surgeons. Substantial benefit of their use has been reported among high risk patients, particularly in reducing post-operative hip instability (dislocation). Many reports stated some concern when implanted in young and active people where complications such as polyethylene wear and mechanical loosening could potentially be higher. This Middle Eastern study analyses a retrospective series of THA for any aetiology other than infection, using DMC for the acetabular component in 75 patients (85 implants) less than 70 years old...
January 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28073139/-influence-of-comorbidities-on-revision-rate-within-the-first-year-after-primary-total-hip-arthroplasty
#18
Roman Nesslage, Kerstin Radtke, Lisa Hohloch, Thilo Flörkemeier, Henning Windhagen, Gabriela von Lewinski
: Background Total hip arthroplasty (THA) is very frequently performed. Despite low complication rates, revisions play an important clinical and economical role. The aim of this study was to identify comorbid diseases of patients undergoing primary THA and their potential influence on the survival of hip replacements. Patients/Material and Methods A total of 867 patients were included in this retrospective study. All revisions were reviewed that took place at our hospital within one year of primary implantation of THA...
January 10, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28072898/three-year-results-with-a-ringless-third-generation-porous-plasma-sprayed-acetabular-component-in-primary-total-hip-arthroplasty
#19
Keith R Berend, Joanne B Adams, Michael J Morris, Adolph V Lombardi
INTRODUCTION: We previously reported promising early results in patients undergoing primary total hip arthroplasty (THA) with a third-generation cementless acetabular system that has a porous plasma-sprayed coating on a titanium alloy substrate shell, a ringless barb and groove locking mechanism, and a vitamin E-infused highly crosslinked polyethylene insert. The purpose of this study was to examine the outcomes and need for revision in a subset of patients previously reviewed who now have potential for three-year follow-up...
January 10, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28070611/dual-mobility-cups-provide-biomechanical-advantages-in-situations-at-risk-for-dislocation-a-finite-element-analysis
#20
Alexandre Terrier, Adeliya Latypova, Maika Guillemin, Valérie Parvex, Olivier Guyen
PURPOSE: Constrained devices, standard implants with large heads, and dual mobility systems have become popular options to manage instability after total hip arthroplasty (THA). Clinical results with these options have shown variable success rates and significant higher rates of aseptic loosening and mechanical failures with constrained implants. Literature suggests potential advantages of dual mobility, however little is known about its biomechanics. We present a comparative biomechanical study of a standard implant, a constrained implant, and a dual mobility system...
January 9, 2017: International Orthopaedics
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