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https://www.readbyqxmd.com/read/29893887/objective-evaluation-of-female-feet-and-leg-joint-conformation-at-time-of-selection-and-post-first-parity-in-swine
#1
J D Stock, J A Calderón Díaz, M F Rothschild, B E Mote, K J Stalder
Feet and legs of replacement females were objectively evaluated at selection, i.e. approximately 150 days of age (n=319) and post first parity, i.e. any time after weaning of first litter and before 2nd parturition (n=277) to 1) compare feet and leg joint angle ranges between selection and post first parity; 2) identify feet and leg joint angle differences between selection and first three weeks of second gestation; 3) identify feet and leg join angle differences between farms and gestation days during second gestation; and 4) obtain genetic variance components for conformation angles for the two time points measured...
June 9, 2018: Journal of Animal Science
https://www.readbyqxmd.com/read/29775187/body-mass-index-is-associated-with-all-cause-mortality-after-tha-and-tka
#2
Michelle M Dowsey, Peter F M Choong, Elizabeth W Paxton, Tim Spelman, Robert S Namba, Maria C S Inacio
BACKGROUND: Both obesity and underweight are associated with a higher risk of mortality in adulthood, but the association between mortality after arthroplasty and extreme ranges of body mass index (BMI) have not been evaluated beyond the first year. QUESTIONS/PURPOSES: The purpose of this study was to investigate the association between BMI and all-cause mortality after TKA and THA. METHODS: Data from two arthroplasty registries, the St Vincent's Melbourne Arthroplasty (SMART) Registry from Australia and the Kaiser Permanente Total Joint Replacement Registry (KPTJRR) from the United States, were used to identify patients aged ≥ 18 years undergoing elective TKAs and THAs between January 1, 2002, and December 31, 2013...
June 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29762447/gastrocnemius-myocutaneous-flaps-for-knee-joint-coverage
#3
Alice Mayoly, Jean-Camille Mattei, Pierre Moullot, Charlotte Jaloux, Alexandre Rochwerger, Dominique Casanova, Baptiste Bertrand, Cécile Philandrianos
INTRODUCTION: The gastrocnemius muscular flap has already proven its efficiency for soft tissue coverage in cases of knee joint exposure. However, it may be too small to cover large defects and has not the same aesthetic and mechanical properties as normal skin. Perforator fasciocutaneous flaps have recently been described in knee joint coverage with good results as they replace skin by skin, but they can be hard to harvest. Gastrocnemius flaps can be easily harvested with a planned skin paddle designed over the chosen muscle...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29622493/hip-fracture-does-not-belong-in-the-elective-arthroplasty-bundle-presentation-outcomes-and-service-utilization-differ-in-fracture-arthroplasty-care
#4
William C Schroer, Paul J Diesfeld, Angela R LeMarr, Diane J Morton, Mary E Reedy
BACKGROUND: Center for Medicare and Medicaid Services reimbursement is the same for hip arthroplasty performed electively for arthritis and urgently for femoral neck fracture. METHODS: An analytic report of hip arthroplasty for a 5-hospital network identified 2362 cases performed from January 2014 to May 2016. Resource utilization was determined using 90-day charges. RESULTS: The fracture population (623 hips) was older (P < .01), had more medical comorbidities (28...
July 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29548618/outpatient-focused-joint-arthroplasty-is-the-future-the-midwest-center-for-joint-replacement-experience
#5
Michael E Berend, Wesley G Lackey, Joshua L Carter
BACKGROUND: Perhaps, the most significant developments in joint arthroplasty in the past decade have been in the area of multimodal perioperative management reducing pain, nausea, and length of stay leading to outpatient arthroplasty. METHODS: Over a 2-year period, we performed 1230 arthroplasty cases including partial knee, total hip, total knee, and selected revision cases. RESULTS: Patient satisfaction ranged from 98% to 100% great/good...
June 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29181355/group-b-streptococcal-prosthetic-knee-joint-infection-linked-to-the-consumption-of-raw-fish
#6
Gin Way Law, Limin Wijaya, Andrew Hwee Chye Tan
Introduction: Group B Streptococcal (GBS) prosthetic joint infections (PJI) are rare, accounting for only 4.6-6% of primary and revision total knee replacements (TKRs). In 2015, there was an outbreak of GBS infections in Singapore with an association confirmed between consumption of Chinese-style raw fish dishes (snakehead fish, Asian bighead carp) and GBS infection, Type III GBS ST283 strain, affecting more than 200 patients in Singapore. This outbreak is the largest of its kind in the world and also the first time that foodborne transmission of GBS has been proven...
July 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28652104/quantifying-pelvic-periprosthetic-bone-remodeling-using-dual-energy-x-ray-absorptiometry-region-free-analysis
#7
Andrew M Parker, Lang Yang, Mohsen Farzi, José M Pozo, Alejandro F Frangi, J Mark Wilkinson
The gold standard tool for measuring periprosthetic bone mineral density (BMD) is dual-energy X-ray absorptiometry (DXA). However, resolution of the method is limited due to the aggregation of pixel data into large regions of interest for clinical and statistical analysis. We have previously validated a region-free analysis method (DXA-RFA) for quantitating BMD change at the pixel level around femoral prostheses. Here, we applied the DXA-RFA method to the pelvis, and quantitated its precision in this setting using repeated DXA scans taken on the same day after repositioning in 29 patients after total hip arthroplasty...
October 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28633788/fluoroscopic-and-gait-analyses-for-the-functional-performance-of-a-custom-made-total-talonavicular-replacement
#8
Claudio Belvedere, Matteo Cadossi, Antonio Mazzotti, Sandro Giannini, Alberto Leardini
The present study evaluated the restoration of joint function in a special clinical case: a professional rock climber who underwent an original total talonavicular replacement with a custom-made prosthesis after a complex articular fracture. Full body gait analysis and 3-dimensional joint kinematics using single-plane fluoroscopy were performed on the same day at the 30-month follow-up examination. Gait analysis was performed using stereophotogrammetric, dynamometric, electromyographic, and baropodometric systems...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28629904/perioperative-morbidity-of-same-day-and-staged-bilateral-total-hip-arthroplasty
#9
Lazaros A Poultsides, Georgios K Triantafyllopoulos, Stavros G Memtsoudis, Huong T Do, Michael M Alexiades, Thomas P Sculco
BACKGROUND: Management strategies for bilateral hip degenerative disease include same-day or staged bilateral total hip arthroplasty (THA), but information on outcomes remains sparse. We sought to describe in-hospital complications and blood transfusion rates after same-day and staged bilateral THAs at different time intervals and to assess risk factors for these events. METHODS: We retrospectively reviewed administrative data for 3785 patients treated with same-day bilateral (n = 1946; group A) and staged bilateral THA within (1) 0-3 months apart (n = 328; group B); (2) 3-6 months apart (n = 703; group C); and (3) 6-12 months apart (n = 808; group D), between 1999 and 2014...
October 2017: Journal of Arthroplasty
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
#10
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/28527684/patient-perceptions-regarding-outpatient-hip-and-knee-arthroplasties
#11
R Michael Meneghini, Mary Ziemba-Davis
BACKGROUND: There has been increasing interest in outpatient total joint arthroplasty (TJA) in the orthopedic community, but how patients feel about outpatient TJA is unknown. The purpose of this study was to understand patient perspectives on hip and knee replacements performed in an outpatient setting. METHODS: We surveyed 110 consecutive patients scheduled for primary TJA in an academic suburban arthroplasty practice regarding their knowledge and perceptions of outpatient TJA...
September 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28377154/the-influence-of-activity-based-funding-on-treatment-intensity-and-length-of-stay-of-geriatric-rehabilitation-patients
#12
Hylco Bouwstra, Lizette M Wattel, Aafke J de Groot, Martin Smalbrugge, Cees M Hertogh
AIM: Little is known about the impact of activity-based funding (ABF) to increase treatment intensity and decrease length of stay (LOS) of inpatient geriatric patients. In January 2014, ABF was implemented in The Netherlands with the aim to increase treatment intensity and shorten LOS in geriatric rehabilitation (GR). OBJECTIVES: To describe the influence of ABF on treatment intensity and LOS of inpatient GR patients before and after ABF was implemented. DESIGN: Population-based, retrospective cohort study...
June 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28267070/adherence-to-a-multimodal-analgesic-clinical-pathway-a-within-group-comparison-of-staged-bilateral-knee-arthroplasty-patients
#13
Rachel C Steckelberg, Natasha Funck, T Edward Kim, Tessa L Walters, Gregory Milo Lochbaum, Stavros G Memtsoudis, Nicholas J Giori, Pier F Indelli, Lorrie J Graham, Edward R Mariano
BACKGROUND AND OBJECTIVES: Multimodal analgesic clinical pathways for joint replacement patients often include perineural catheters, but long-term adherence to these pathways has not yet been investigated. Our primary aim was to determine adherence rate to a knee arthroplasty clinical pathway for patients undergoing staged bilateral procedures. METHODS: This study was performed at a hospital with a Perioperative Surgical Home program and knee arthroplasty clinical pathway using multimodal analgesia and adductor canal catheters...
May 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28244911/effects-of-the-length-of-stay-on-the-cost-of-total-knee-and-total-hip-arthroplasty-from-2002-to-2013
#14
Ilda B Molloy, Brook I Martin, Wayne E Moschetti, David S Jevsevar
BACKGROUND: Utilization of total knee and hip arthroplasty has greatly increased in the past decade in the United States; these are among the most expensive procedures in patients with Medicare. Advances in surgical techniques, anesthesia, and care pathways decrease hospital length of stay. We examined how trends in hospital cost were altered by decreases in length of stay. METHODS: Procedure, demographic, and economic data were collected on 6.4 million admissions for total knee arthroplasty and 2...
March 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27787574/outcome-of-knee-revisions-for-osteoarthritis-and-inflammatory-arthritis-with-postero-stabilized-arthroplasties-a-mean-ten-year-follow-up-with-90-knee-revisions
#15
Philippe Hernigou, Arnaud Dubory, Damien Potage, François Roubineau, Charles Henri Flouzat-Lachaniette
PURPOSE: Patients with rheumatoid arthritis (RA) and osteoarthritis (OA) may require revision total knee replacement. Few studies have compared post-operative complications, results and risk of re-revision in RA and OA patients. MATERIAL AND METHODS: Forty-five RA patients who had undergone revision TKA from 1998 to 2010 were selected and matched with 45 OA patients who had revision during the same period. Results of the use of a revision postero-stabilized implant in osteoarthritis were compared to results of its use in inflammatory arthritis...
April 2017: International Orthopaedics
https://www.readbyqxmd.com/read/27612756/highly-porous-low-elastic-modulus-316l-stainless-steel-scaffold-prepared-by-selective-laser-melting
#16
Jaroslav Čapek, Markéta Machová, Michaela Fousová, Jiří Kubásek, Dalibor Vojtěch, Jaroslav Fojt, Eva Jablonská, Jan Lipov, Tomáš Ruml
Recently, porous metallic materials have been extensively studied as candidates for use in the fabrication of scaffolds and augmentations to repair trabecular bone defects, e.g. in surroundings of joint replacements. Fabricating these complex structures by using common approaches (e.g., casting and machining) is very challenging. Therefore, rapid prototyping techniques, such as selective laser melting (SLM), have been investigated for these applications. In this study, we characterized a highly porous (87 vol...
December 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27349628/liposomal-bupivacaine-incisional-injection-in-single-level-lumbar-spine-surgery
#17
Ross C Puffer, Kevin Tou, Rose E Winkel, Mohamad Bydon, Bradford Currier, Brett A Freedman
BACKGROUND CONTEXT: Postsurgical pain control is important in spine surgery as it can lead to earlier mobilization, decreased length of stay, decreased side effects from narcotic medications, and improved patient satisfaction. Liposomal bupivacaine (LB) is an injectable formulation of bupivacaine, providing prolonged local anesthesia, up to 72 hours postinjection. Although, LB has been used with increasing frequency following other musculoskeletal procedures, specifically total joint replacements, its pre-emptive analgesic effect following lumbar microdiscectomy has hitherto not been reported...
November 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27348350/temporomandibular-joint-reconstruction
#18
REVIEW
Mario J Imola, Aaron Liddell
PURPOSE OF REVIEW: Temporomandibular joint (TMJ) reconstruction represents one of the more challenging clinical problems that a head and neck surgeon encounters. Fortunately, the problem is fairly uncommon; however, at the same time, clear clinical guidelines have not been formulated. The goal of this review is to present the established solutions to this difficult reconstructive challenge and highlight key developments that have been recently published. RECENT FINDINGS: Modern-day approaches to TMJ reconstruction include a handful of surgical modalities: costochondral grafting, revascularized tissue transfer, distraction osteogenesis, and alloplastic temporomandibular joint replacement (APTMJR)...
August 2016: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/27265559/using-publicly-available-data-to-construct-a-transparent-measure-of-health-care-value-a-method-and-initial-results
#19
William B Weeks, Gregory R Kotzbauer, James N Weinstein
POLICY POINTS: Using publicly available Hospital Compare and Medicare data, we found a substantial range of hospital-level performance on quality, expenditure, and value measures for 4 common reasons for admission. Hospitals' ability to consistently deliver high-quality, low-cost care varied across the different reasons for admission. With the exception of coronary artery bypass grafting, hospitals that provided the highest-value care had more beds and a larger average daily census than those providing the lowest-value care...
June 2016: Milbank Quarterly
https://www.readbyqxmd.com/read/27213284/stacked-modalities-thromboprophylactic-therapy-for-patients-undergoing-total-knee-replacement-surgery
#20
Limin Jiang, Shudong Zhang, Yuchi Zhao
Thromboprophylaxis is a controversial and challenging topic in joint replacement surgery. Mechanical prophylaxis in combination with the use of anticoagulants have been shown to have greater efficacy than single modalities. But the early use of anticoagulants has the potential to increases the risk of postoperative bleeding. The purpose of this study was to evaluate the thromboprophylactic effects of sequential combined method using early-mechanical compression with delayed rivaroxaban in total knee arthroplasty...
March 2017: Journal of Knee Surgery
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