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https://www.readbyqxmd.com/read/28088603/hospital-readmissions-after-surgery-how-important-are-hospital-and-specialty-factors
#1
Robert H Hollis, Laura A Graham, Joshua S Richman, Melanie S Morris, Hillary J Mull, Tyler S Wahl, Edith Burns, Laurel A Copeland, Gordon L Telford, Amy K Rosen, Kamal F Itani, Jeffrey Whittle, Todd H Wagner, Mary T Hawn
BACKGROUND: Hospital readmission rates after surgery may represent an overall hospital effect or a combination of specialty and patient effects. We hypothesized that hospital readmission rates for procedures within specialties were more strongly correlated than rates across specialties within the same hospital. STUDY DESIGN: For general, orthopedic, and vascular specialties at Veterans Affairs hospitals during 2008-2014, 30-day risk-adjusted readmission rates were estimated for six high-volume procedures and each specialty...
January 11, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28088227/simplified-chinese-version-of-the-forgotten-joint-score-fjs-for-patients-who-underwent-joint-arthroplasty-cross-cultural-adaptation-and-validation
#2
Shiqi Cao, Ning Liu, Wuxiang Han, Yunpeng Zi, Fan Peng, Lexiang Li, Qiwei Fu, Yi Chen, Weijie Zheng, Qirong Qian
BACKGROUND: The Forgotten Joint Score (FJS) is a newly developed health-related quality of life (HRQoL) questionnaire designed to evaluate the awareness after total knee arthroplasty (TKA). This study cross-culturally adapted and psychometrically validated a simplified Chinese version of the FJS (SC-FJS). METHODS: Cross-cultural adaptation was performed according to the internationally recognized guidelines. One-hundred and fifty participants who underwent primary TKA were recruited in this study...
January 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28088207/cytokine-and-neuropeptide-levels-are-associated-with-pain-relief-in-patients-with-chronically-painful-total-knee-arthroplasty-a-pilot-study
#3
Jasvinder A Singh, Siamak Noorbaloochi, Keith L Knutson
BACKGROUND: There are few studies with an assessment of the levels of cytokines or neuropeptides as correlates of pain and pain relief in patients with painful joint diseases. Our objective was to assess whether improvements from baseline to 2-months in serum cytokine, chemokine and substance P levels were associated with clinically meaningful pain relief at 2-months post-injection in patients with painful total knee arthroplasty (TKA). METHODS: Using data from randomized trial of 60 TKAs, we assessed the association of change in cytokine/chemokine/Substance P levels with primary study outcome, clinically important improvement in Western Ontario McMaster Osteoarthritis Index (WOMAC) pain subscale at 2-months post-injection using Student's t-tests and Spearman's correlation coefficient (non-parametric)...
January 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28087557/a-longitudinal-comparative-study-of-falls-in-persons-with-knee-arthroplasty-and-persons-with-or-at-high-risk-for-knee-osteoarthritis
#4
Daniel L Riddle, Gregory J Golladay
No abstract text is available yet for this article.
January 13, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28087412/pain-prediction-by-serum-biomarkers-of-bone-turnover-in-people-with-knee-osteoarthritis-an-observational-study-of-tracp5b-and-cathepsin-k-in-oa
#5
Lilian N Nwosu, Maximilian Allen, Laura Wyatt, Janet L Huebner, Victoria Chapman, David A Walsh, Virginia B Kraus
OBJECTIVES: To investigate serum biomarkers, tartrate resistant acid phosphatase 5b (TRAcP5b) and cathepsin K, indicative of osteoclastic bone resorption, and their relationship to pain and pain change in knee osteoarthritis (OA). METHODS: Sera and clinical data were collected from 129 people (97 with 3-year follow-up) with knee OA from the Prediction of Osteoarthritis Progression (POP) cohort. Knee OA-related outcomes in POP included: WOMAC pain, NHANES I (pain, aching and stiffness), subchondral sclerosis, and radiographically determined tibiofemoral and patellofemoral OA...
January 10, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28087396/influence-of-coronal-bowing-on-the-lower-alignment-and-the-positioning-of-component-in-navigation-and-conventional-total-knee-arthroplasty
#6
Hideo Kobayashi, Yasushi Akamatsu, Ken Kumagai, Yoshihiro Kusayama, Masato Aratake, Tomoyuki Saito
BACKGROUND: Coronal alignment is an important factor for the function and longevity of total knee arthroplasty (TKA). Coronal bowing of the lower extremity is common among Asians and it may pose a risk for malalignment of the lower leg and malposition of component. HYPOTHESIS: We hypothesized that coronal bowing itself has a risk for malalignment of the lower leg and malposition of femoral / tibial components and that navigation TKA is beneficial for patients with coronal bowing...
January 10, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28087161/effect-of-acetabular-position-on-polyethylene-liner-wear-measured-using-simultaneous-biplanar-acquisition
#7
Prateek Goyal, James L Howard, Xunhua Yuan, Matthew G Teeter, Brent A Lanting
BACKGROUND: Studies that have previously examined the relationship between acetabular component inclination angle and polyethylene wear have shown increased wear of conventional polyethylene with high inclination angles. To date, there are no long-term in vivo studies examining the correlation between cup position and polyethylene wear with highly crosslinked polyethylene. METHODS: An institutional arthroplasty database was used to identify patients who had metal-on-highly crosslinked polyethylene primary total hip arthroplasty using the same component design with a minimum follow-up of 10 years...
December 14, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28087160/mri-retrieval-analysis-and-histologic-evaluation-of-adverse-local-tissue-reaction-in-metal-on-polyethylene-total-hip-arthroplasty
#8
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
#9
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/28086940/ultrasound-guided-percutaneous-peripheral-nerve-stimulation-for-analgesia-following-total-knee-arthroplasty-a-prospective-feasibility-study
#10
Brian M Ilfeld, Christopher A Gilmore, Stuart A Grant, Michael P Bolognesi, Daniel J Del Gaizo, Amorn Wongsarnpigoon, Joseph W Boggs
BACKGROUND: Peripheral nerve stimulation has been used for decades to treat chronic pain but has not been used for postoperative analgesia due to multiple limitations, beginning with invasive electrode placement. With the development of small-diameter/gauge leads enabling percutaneous insertion, ultrasound guidance for accurate introduction, and stimulators small enough to be adhered to the skin, neurostimulation may now be provided in a similar manner to continuous peripheral nerve blocks...
January 13, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28079735/incidence-of-local-anesthetic-systemic-toxicity-in-orthopedic-patients-receiving-peripheral-nerve-blocks
#11
Eva E Mörwald, Nicole Zubizarreta, Crispiana Cozowicz, Jashvant Poeran, Stavros G Memtsoudis
BACKGROUND AND OBJECTIVES: Peripheral nerve blocks are increasingly used. However, despite low complication rates, concerns regarding local anesthetic systemic toxicity remain. Although recent studies suggest that this severe complication has decreased considerably, there is a paucity of data about it on a national level. We sought to elucidate the incidence of local anesthetic systemic toxicity on a national level and therefore provide guidance toward the need for preparedness in daily anesthetic practice...
January 9, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28079634/characteristics-of-patients-with-satisfactory-functional-gain-following-total-joint-arthroplasty-in-a-postacute-rehabilitation-setting
#12
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
#13
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/28079176/adductor-canal-block-versus-femoral-nerve-block-for-total-knee-arthroplasty-a-meta-analysis-of-randomized-controlled-trials
#14
Duan Wang, Yang Yang, Qi Li, Shen-Li Tang, Wei-Nan Zeng, Jin Xu, Tian-Hang Xie, Fu-Xing Pei, Liu Yang, Ling-Li Li, Zong-Ke Zhou
Femoral nerve blocks (FNB) can provide effective pain relief but result in quadriceps weakness with increased risk of falls following total knee arthroplasty (TKA). Adductor canal block (ACB) is a relatively new alternative providing pure sensory blockade with minimal effect on quadriceps strength. The meta-analysis was designed to evaluate whether ACB exhibited better outcomes with respect to quadriceps strength, pain control, ambulation ability, and complications. PubMed, Embase, Web of Science, Wan Fang, China National Knowledge Internet (CNKI) and the Cochrane Database were searched for RCTs comparing ACB with FNB after TKAs...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28078867/plasma-endocannabinoid-behaviour-in-total-knee-and-hip-arthroplasty
#15
R Ottria, L Cappelletti, A Ravelli, M Mariotti, F Gigli, S Romagnoli, P Ciuffreda, G Banfi, L Drago
Endocannabinoids are a class of lipid mediators involved in a wide range of physiological pathways including pain perception, and immunological defences. In particular, the involvement of endocannabinoids in bone metabolism and bone resorption has recently been studied. Moreover, one study on total knee arthroplasty describes the probable role of endocannabinoids in pain perception after surgery. The aim of the present study was to evaluate variations of endocannabinoid concentrations in patients undergoing total hip or total knee arthroplasty before and after surgery...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078394/kinematics-of-a-bicruciate-retaining-total-knee-arthroplasty
#16
Thomas J Heyse, Joshua Slane, Geert Peersman, Margo Dirckx, Arne van de Vyver, Philipp Dworschak, Susanne Fuchs-Winkelmann, Lennart Scheys
PURPOSE: The recently reintroduced bicruciate-retaining Total Knee Arthroplasty (BCR TKA) is an interesting approach in the quest for close replication of knee joint biomechanics and kinematics closer to the native knee. Therefore, this study aimed at providing a detailed biomechanical view on the functional resemblance of BCR TKA to the native knee joint. METHODS: Seven fresh-frozen full leg cadaver specimens (76 ± 10 year) were mounted in a 6 degrees-of-freedom kinematic rig that applied a dynamic squatting motion knee flexion...
January 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28078363/short-term-outcome-after-total-hip-arthroplasty-using-dual-mobility-cup-report-from-lithuanian-arthroplasty-register
#17
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
#18
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/28077538/magnesium-sulphate-attenuates-acute-postoperative-pain-and-increased-pain-intensity-after-surgical-injury-in-staged-bilateral-total-knee-arthroplasty-a-randomized-double-blinded-placebo-controlled-trial
#19
H-J Shin, E-Y Kim, H-S Na, T K Kim, M-H Kim, S-H Do
BACKGROUND: We evaluated the effect of magnesium sulphate on increased pain in 44 patients undergoing staged bilateral total knee arthroplasty (TKA). METHODS: The magnesium group (n=22) and the control group (n=22) received magnesium sulphate and isotonic saline, respectively, throughout the surgery. Postoperative pain (visual analogue scale, VAS) at rest and the amounts of patient-controlled analgesia (PCA, fentanyl) and rescue analgesia (ketoprofen) administered during the first 48 h were compared between the two groups and within each group between the first and second TKA...
October 2016: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28077396/the-effects-of-kinematically-aligned-total-knee-arthroplasty-on-stress-at-the-medial-tibia-a-case-study-for-varus-knee
#20
S Nakamura, Y Tian, Y Tanaka, S Kuriyama, H Ito, M Furu, S Matsuda
OBJECTIVES: Little biomechanical information is available about kinematically aligned (KA) total knee arthroplasty (TKA). The purpose of this study was to simulate the kinematics and kinetics after KA TKA and mechanically aligned (MA) TKA with four different limb alignments. MATERIALS AND METHODS: Bone models were constructed from one volunteer (normal) and three patients with three different knee deformities (slight, moderate and severe varus). A dynamic musculoskeletal modelling system was used to analyse the kinematics and the tibiofemoral contact force...
January 2017: Bone & Joint Research
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