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https://www.readbyqxmd.com/read/27925637/risk-factors-for-perimegaprosthetic-infections-after-tumor-resection
#1
Marco De Gori, Giorgio Gasparini, Rodolfo Capanna
Periprosthetic joint infection remains one of the most challenging and pervasive complications following megaprosthetic replacement after tumor resection. The authors conducted a systematic review of the literature for clinical studies that reported a risk factor analysis for perimegaprosthetic joint infections. The search included English-language studies published up to July 2015. Eight studies fulfilled the inclusion criteria. Identified factors mostly related to both surgical procedure and hospitalization...
December 7, 2016: Orthopedics
https://www.readbyqxmd.com/read/27914722/poor-expectations-of-knee-replacement-benefit-are-associated-with-modifiable-psychological-factors-and-influence-the-decision-to-have-surgery-a-cross-sectional-and-longitudinal-study-of-a-community-based-sample
#2
Daniel L Riddle, Gregory J Golladay, Amanda Hayes, Hassan M K Ghomrawi
BACKGROUND: Total knee arthroplasty (TKA) is a highly effective surgery, but is underutilized by some patient groups. This study determined factors associated with a person's expectations with respect to pain and walking function following a TKA procedure, should they elect to undergo a TKA. METHODS: A total of 3542 people were studied with or at risk of knee osteoarthritis and enrolled in the community-based Osteoarthritis Initiative (OAI). Multivariable logistic regression analyses identified demographic, socioeconomic, osteoarthritis-related, joint replacement awareness, and psychological correlates as poor outcome expectations...
November 30, 2016: Knee
https://www.readbyqxmd.com/read/27912929/survival-failure-modes-and-function-of-combined-distal-femur-and-proximal-tibia-reconstruction-following-tumor-resection
#3
F Sevelda, W Waldstein, J Panotopoulos, C Stihsen, A Kaider, P T Funovics, R Windhager
BACKGROUND: Tumor spread to the knee joint or skip metastasis to the adjacent bones of the knee require reconstruction with combined distal femur and proximal tibia replacements. The literature on implant survival and failure modes with this type of reconstruction is sparse. The goals of this study were to determine the implant survival, the different failure modes and the functional outcome of this megaendoprosthetic reconstruction. PATIENTS AND METHODS: Thirty-nine patients with combined distal femur and proximal tibia reconstruction were retrospectively reviewed...
November 23, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27900699/the-anconeus-triceps-lateral-flap-approach-for-total-elbow-arthroplasty-in-rheumatoid-arthritis
#4
A Celli, P Bonucci
BACKGROUND: The posterior approaches to the elbow are considered as to allow an excellent joint exposure for total elbow arthroplasty. One complication that is well recognized is the insufficiency of the extensor mechanism in particular with the patients with poor tendon quality as in the rheumatoid diseases. The purpose of this paper is to present a new triceps-splitting exposure for total elbow arthroplasty used in rheumatoid patients with their preliminary results. METHODS: Fifteen consecutive patients with rheumatoid disease at grades III to V of the Larsen grading scale underwent total elbow replacement using the new triceps-splitting exposure called anconeus-triceps lateral flap and it preserves the integrity of the medial proper triceps tendon...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27896037/functional-evaluation-of-patients-undergoing-multiple-joint-replacements-a-retrospective-study-of-50-patients-with-a-minimum-of-six-months-of-follow-up
#5
Shubhranshu S Mohanty, Nandan Mishra, Prateek Patil, Ajinkya Desale
INTRODUCTION:  Polyarthritis is a challenging condition that an orthopedic surgeon faces in day-to-day practice. Some of the conditions where multiple joints are affected are rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. Multiple joint afflictions can cause severe impairment in the quality of life, which leads to a significant socioeconomic burden on the family and society. Joint replacement is considered as a treatment when severe joint pain or dysfunction is not alleviated by conservative management...
October 15, 2016: Curēus
https://www.readbyqxmd.com/read/27893033/effect-of-a-decision-aid-on-access-to-total-knee-replacement-for-black-patients-with-osteoarthritis-of-the-knee-a-randomized-clinical-trial
#6
Said A Ibrahim, Marissa Blum, Gwo-Chin Lee, Pekka Mooar, Elina Medvedeva, Aliya Collier, Diane Richardson
Importance: Black patients with advanced osteoarthritis (OA) of the knee are significantly less likely than white patients to undergo surgery. No strategies have been proved to improve access to surgery for black patients with end-stage OA of the knee. Objective: To assess whether a decision aid improves access to total knee replacement (TKR) surgery for black patients with OA of the knee. Design, Setting, and Participants: In a randomized clinical trial, 336 eligible participants who self-identified as black and 50 years or older with chronic and frequent knee pain, a Western Ontario McMaster Universities Osteoarthritis Index score of at least 39, and radiographic evidence of OA of the knee were recruited from December 1, 2010, to May 31, 2014, at 3 medical centers...
November 23, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27892493/autologous-temporomandibular-joint-reconstruction-independent-of-exogenous-additives-a-proof-of-concept-study-for-guided-self-generation
#7
Jiao Wei, Tanja Herrler, Dong Han, Kai Liu, Rulin Huang, Markus Guba, Chuanchang Dai, Qingfeng Li
Joint defects are complex and difficult to reconstruct. By exploiting the body's own regenerative capacity, we aimed to individually generate anatomically precise neo-tissue constructs for autologous joint reconstruction without using any exogenous additives. In a goat model, CT scans of the mandibular condyle including articular surface and a large portion of the ascending ramus were processed using computer-aided design and manufacturing. A corresponding hydroxylapatite negative mold was printed in 3D and temporarily embedded into the transition zone of costal periosteum and perichondrium...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27891054/patellofemoral-joint-arthroplasty-our-experience-in-isolated-patellofemoral-and-bicompartmental-arthritic-knees
#8
L Sabatini, M Schirò, F Atzori, G Ferrero, A Massè
INTRODUCTION: Isolated patellofemoral (PF) arthritis is rare, and there is no complete agreement about the best surgical treatment. The operative treatments are total knee arthroplasty and patellofemoral replacement (PFR). The incidence of many early complications of PF arthroplasty has decreased with the introduction of newer designs. Nowadays, the main cause of revision surgery is the progression of tibiofemoral osteoarthritis. In the past, PF arthroplasty was contraindicated in patients with evidence of osteoarthritis or pain in medial or lateral tibiofemoral compartments...
2016: Clinical Medicine Insights. Arthritis and Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27890891/mid-term-clinical-results-of-versys-hip-system-zimmer-uncemented-total-hip-replacement-arthroplasty
#9
Hidemi Kawaji, Takuya Uematsu, Naoya Hoshikawa, Hiroshi Watanabe, Shinro Takai
: Recent reports suggest that uncemented total hip replacement arthroplasty (THR) results in favorable short- to mid-term clinical results. In the present study, we assessed the mid-term clinical results of VerSys Hip System uncemented THR at our hospital. MATERIALS AND METHODS: We studied patients who received THR using VerSys Hip System and who could be followed-up more than 3 years. Clinical records were used to retrospectively identify patient characteristics, which included age, gender, disease requiring THR, preoperative and postoperative pain score of the Japan Orthopaedic Association scoring system, range of motion in flexion and abduction, operating time, intraoperative complication, and additional operation or revision surgery...
2016: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/27890309/patterns-of-ninety-day-readmissions-following-total-joint-replacement-in-a-bundled-payment-initiative
#10
Omar A Behery, Benjamin S Kester, Jarrett Williams, Joseph A Bosco, James D Slover, Richard Iorio, Ran Schwarzkopf
BACKGROUND: Alternative payment models aim to improve quality and decrease costs associated with total joint replacement. Postoperative readmissions within 90 days are of interest to clinicians and administrators as there is no additional reimbursement beyond the episode bundled payment target price. The aim of this study is to improve the understanding of the patterns of readmission which would better guide perioperative patient management affecting readmissions. We hypothesize that readmissions have different timing, location, and patient health profile patterns based on whether the readmission is related to a medical or surgical diagnosis...
November 1, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27881114/hypersensitivity-reactions-to-metal-implants-laboratory-options
#11
Anna Maria Carossino, Christian Carulli, Simone Ciuffi, Roberto Carossino, Giorgia Donata Zappoli Thyrion, Roberto Zonefrati, Massimo Innocenti, Maria Luisa Brandi
BACKGROUND: All implant compounds undergo an electrochemical process when in contact with biological fluids, as well as mechanical corrosion due to abrasive wear, with production of metal debris that may inhibit repair processes. None of the commonly-used methods can diagnose implant allergies when used singly, therefore a panel of tests should be performed on allergic patients as pre-operative screening, or when a postoperative metal sensitisation is suspected. METHODS: We analysed patients with painful prostheses and subjects prone to allergies using the Patch Test in comparison with the Lymphocyte Transformation Test...
November 23, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27878804/assessment-of-cardiovascular-risk-in-patients-undergoing-total-joint-alloplasty-the-crash-joint-study
#12
Pawel Legosz, Marcin Kotkowski, Anna E Platek, Pawel Maldyk, Bartosz Krzowski, Anna Rys, Karolina Semczuk, Filip M Szymanski, Krzysztof J Filipiak
BACKGROUND: Risk assessment is of particular importance for patients undergoing surgical interventions. Orthopedic procedures, especially total joint alloplasty are major procedure associated with high perioperative risk, as well as one of the highest rates of complications. The aim of the present study was to establish the prevalence of classical and non-classical cardiovascular risk factors in patients undergoing total hip or knee alloplasty. METHODS: The CRASH-JOINT (Cardiovascular Risk Assessment ScHeme in JOINT alloplasty) was a prospective, epidemiological study performed in consecutive patients scheduled for total joint (hip or knee) replacement surgery...
November 23, 2016: Kardiologia Polska
https://www.readbyqxmd.com/read/27876531/patient-centered-quality-of-life-measures-after-alloplastic-temporomandibular-joint-replacement-surgery
#13
X Alakailly, D Schwartz, N Alwanni, C Demko, M A Altay, Y Kilinc, D A Baur, F Quereshy
The purpose of this study was to evaluate patient-reported outcome measures of quality of life (QoL) for patients with end-stage temporomandibular joint (TMJ) disease who have undergone TMJ prosthetic replacement. The records of 36 patients who had undergone alloplastic total joint replacement procedures were analyzed. Patients were treated using either TMJ Concepts or Biomet/Lorenz prosthetics. Patients were asked to complete a 12-item TMJ-S-QoL survey, which encompassed questions pertaining to pain, speech, chewing function, and various aspects of social life and mental health...
November 19, 2016: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27870898/functional-tissue-analysis-reveals-successful-cryopreservation-of-human-osteoarthritic-synovium
#14
Mathijs G A Broeren, Marieke de Vries, Miranda B Bennink, Peter L E M van Lent, Peter M van der Kraan, Marije I Koenders, Rogier M Thurlings, Fons A J van de Loo
Osteoarthritis (OA) is a degenerative joint disease affecting cartilage and is the most common form of arthritis worldwide. One third of OA patients have severe synovitis and less than 10% have no evidence of synovitis. Moreover, synovitis is predictive for more severe disease progression. This offers a target for therapy but more research on the pathophysiological processes in the synovial tissue of these patients is needed. Functional studies performed with synovial tissue will be more approachable when this material, that becomes available by joint replacement surgery, can be stored for later use...
2016: PloS One
https://www.readbyqxmd.com/read/27869495/a-comparison-of-airborne-bacterial-fallout-between-orthopaedic-and-vascular-surgery
#15
P Stather, M Salji, S-U Hassan, M Abbas, A Ahmed, H Mills, T Elston, C Backhouse, A Howard, S Choksy
INTRODUCTION The objective of the study was to compare bacterial fallout during vascular prosthesis insertion and orthopaedic major joint replacement performed in conventional and laminar flow ventilation, respectively. MATERIALS AND METHODS A prospective single-centre case control study of 21 consecutive elective vascular procedures involving prosthetic graft insertion and 24 consecutive elective orthopaedic major joint replacements were tested for degree of bacterial fallout using agar settle plates. Preparation time, waiting time and total procedure duration were collected at the time of surgery, and bacterial colony counts on the agar settle plates from airborne bacterial fallout were counted after an incubation period...
November 21, 2016: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/27846766/comparison-of-a-self-administered-foot-evaluation-questionnaire-safe-q-between-joint-preserving-arthroplasty-and-resection-replacement-arthroplasty-in-forefoot-surgery-for-patients-with-rheumatoid-arthritis
#16
Kosuke Ebina, Makoto Hirao, Jun Hashimoto, Akihide Nampei, Kenrin Shi, Tetsuya Tomita, Kazuma Futai, Yasuo Kunugiza, Takaaki Noguchi, Hideki Yoshikawa
OBJECTIVES: To clarify the difference of patient-based outcome between joint-preserving arthroplasty and resection-replacement arthroplasty in forefoot surgery for patients with rheumatoid arthritis (RA). METHODS: A total of 63 feet of 49 RA patients who underwent forefoot surgery were asked to answer pre-operative and post-operative self-administered foot evaluation questionnaire (SAFE-Q). Patients were treated with either (1) metatarsal head resection-replacement arthroplasty (28 feet, post-operative mean age 63...
November 16, 2016: Modern Rheumatology
https://www.readbyqxmd.com/read/27845481/unilateral-variation-in-extensor-digitorum-longus-muscle
#17
A Banerje, S Singh, K Raza, N Rani, S Kaler
During a routine dissection of an adult embalmed male cadaver for educational purpose in the department of anatomy at AIIMS, New Delhi, India, a rare unilateral variation of extensor digitorum longus (EDL) was found which is a muscle of anterior compartment of the leg. There was a split tendon of EDL muscle in the anterior compartment of left leg which became a common tendon in front of the ankle joint. This common tendon of EDL muscle again divided into four slips and were inserted in to the lateral four toes...
September 2016: La Clinica Terapeutica
https://www.readbyqxmd.com/read/27833769/first-case-report-of-a-late-onset-knee-periprosthetic-joint-infection-caused-by-lactococcus-garvieae
#18
V-I Neagoe, S Zytoun, H-J Neuhaus
Lactococcus garvieae is known as a Gram-positive, catalase-negative, and facultatively anaerobic fish pathogen. The association between Lactococcus spp. and human infectious diseases is described as being mainly associated with lumbar osteomyelitis, hepatic abscess, and infective endocarditis. In the literature of orthopedic post-prosthetic infections, L. garvieae was associated with a case of hip prosthetic infection in a fishmonger woman. We present the case of a 79-year-old male patient with multiple comorbidities, who is admitted to our center with a 5-day history of pain, swelling, and motility disorder of the right knee by the presence of a bicondylar knee replacement surgery, which was performed due to gonarthrosis 17 years ago...
2016: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/27830274/silver-coated-endoprosthetic-replacement-of-the-proximal-humerus-in-case-of-tumour-is-there-an-increased-risk-of-periprosthetic-infection-by-using-a-trevira-tube
#19
Jan Schmolders, Sebastian Koob, Paul Schepers, Michael Kehrer, Sönke Percy Frey, Dieter Christian Wirtz, Peter Heinrich Pennekamp, Andreas Christian Strauss
BACKGROUND AND OBJECTIVES: The aim of our study was to evaluate if there is an increased risk of periprosthetic infection (PJI) in patients following replacement of the proximal humerus by using a modular tumour prosthesis in combination with a trevira tube. METHODS: Thirty patients were treated by using a modular tumour endoprosthesis (MUTARS®) following intra-articular resection of the proximal humerus. Fifteen patients received treatment by using a trevira tube...
November 9, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27826977/does-standard-post-operative-rehabilitation-have-its-place-after-total-knee-replacement
#20
M Vavro, E Ziakova, K Gazdikova, D Farkasova
OBJECTIVE: The pilot study objective was to evaluate the effect of comprehensive post-operative physiotherapeutic treatment on the selected physiotherapeutic parameters as well as patients' quality of life after a total knee joint replacement surgery. RESULTS: Thirty patients after total knee joint arthroplasty were enrolled into the pilot study. After completing the physiotherapeutic processes, we have observed among the patients who underwent a total knee replacement surgery, a significant increase in muscle strength as with the flexors as well as the extensors (p = 0...
2016: Bratislavské Lekárske Listy
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