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https://www.readbyqxmd.com/read/29778591/complications-of-antibiotic-cement-spacers-used-for-shoulder-infections
#1
Edward G McFarland, Jorge Rojas, Jeremy Smalley, Amrut U Borade, Jacob Joseph
BACKGROUND: Our aim was to evaluate complications related to commercially available antibiotic cement spacers used in the treatment of shoulder infections. METHODS: We performed a retrospective review of commercially available antibiotic spacers implanted in 53 patients (60 spacers) between April 2009 and October 2017 as part of a 2-stage treatment plan for infection at the site of a shoulder arthroplasty (n = 39), other (non-arthroplasty) shoulder surgery (n = 8), or primary shoulder infection without previous surgery (n = 6)...
May 16, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29777960/utility-of-cement-injection-to-stabilize-split-depression-tibial-plateau-fracture-by-minimally-invasive-methods-a-finite-element-analysis
#2
D Belaid, T Vendeuvre, A Bouchoucha, F Brémand, C Brèque, P Rigoard, A Germaneau
BACKGROUND: Treatment for fractures of the tibial plateau is in most cases carried out by stable fixation in order to allow early mobilization. Minimally invasive technologies such as tibioplasty or stabilization by locking plate, bone augmentation and cement filling (CF) have recently been used to treat this type of fracture. The aim of this paper was to determine the mechanical behavior of the tibial plateau by numerically modeling and by quantifying the mechanical effects on the tibia mechanical properties from injury healing...
May 8, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29774956/cement-interface-and-bone-stress-in-total-hip-arthroplasty-relationship-to-head-size
#3
Teresa Alonso-Rasgado, Jose F Del-Valle-Mojica, David Jimenez-Cruz, Colin G Bailey, Tim N Board
The use of larger prosthetic femoral heads in total hip arthroplasty (THA) has increased considerably in recent years in response to the need to improve joint stability and reduce risk of dislocation. However, data suggests larger femoral heads are associated with higher joint failure rates. For cemented implants, ensuring the continued integrity of the cement mantle is key to long term fixation. This paper describes an investigation into the effect of variation in femoral head size on stresses in the acetabular cement mantle and pelvic bone...
May 18, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29772860/-effect-observation-of-percutaneous-pedicle-screw-fixation-combined-with-percutaneous-vertebroplasty-for-the-treatment-of-osteoporotic-thoracolumbar-fractures
#4
Nan Wang, Jian-Zhu Xu, En-Liang Chen, Shi-Jie Zhao, Ren-Fu Quan
OBJECTIVE: To evaluate the clinical effects of percutaneous pedicle screw fixation(PPSF) combined with percutaneous vertebroplasty(PVP) for the treatment of osteoporotic thoracolumbar fractures. METHODS: The clinical data of 94 patients with osteoporotic thoracolumbar fractures treated from January 2014 to December 2015 were retrospectively analyzed. There were 31 males and 63 females, aged from 65 to 70 years old with an average of 67.2 years. Fracture level was T₁₁ on 15 cases, T₁₂ on 32 cases, L₁ on 29 cases and L₂ on 18 cases...
April 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29772271/pain-management-after-bone-reconstruction-surgery-using-an-analgesic-bone-cement-a-functional-non-invasive-in-vivo-study-using-gait-analysis
#5
Manon Dupleichs, Martial Masson, Olivier Gauthier, Maeva Dutilleul, Jean-Michel Bouler, Elise Verron, Pascal Janvier
Postoperative pain following bone reconstruction is a serious complication that could jeopardize the global success of a surgery. This pain must be controlled and minimized during the first 3-4 postoperative days to prevent it from becoming chronic. In this study, a critical-size bone defect was created at the femoral distal end of rats and filled by an injectable calcium phosphate cement (CPC) loaded or not with local anesthetics (bupivacaine or ropivacaine). A functional evaluation of the gait was performed using the CatWalk system to compare the postoperative pain relief enhanced by the different CPCs after such a bone filling surgery...
May 14, 2018: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/29770769/ct-fluoroscopy-guided-percutaneous-osteoplasty-with-or-without-radiofrequency-ablation-in-the-treatment-of-painful-extraspinal-and-spinal-bone-metastases-technical-outcome-and-complications-in-29-patients
#6
Caroline A Burgard, Julien Dinkel, Frederik Strobl, Philipp M Paprottka, Nicolai Schramm, Maximilian Reiser, Christoph G Trumm
PURPOSE: We aimed to assess the safety and technical outcome of computed tomography (CT) fluoroscopy-guided osteoplasty with or without prior percutaneous radiofrequency ablation (RFA) in patients with painful osteolyses. METHODS: We performed a retrospective analysis of 29 patients with painful extraspinal and spinal osteolyses (16 women, 13 men; 63.1±14.4 years) who underwent CT fluoroscopy-guided osteoplasty (10-20 mAs tube current) with or without RFA (26 and 14 lesions, respectively), in 33 consecutive procedures from 2002 to 2016...
May 2018: Diagnostic and Interventional Radiology: Official Journal of the Turkish Society of Radiology
https://www.readbyqxmd.com/read/29770589/short-term-follow-up-of-antibiotic-loaded-articulating-cement-spacers-in-two-stage-revision-of-infected-total-knee-arthroplasty-a-case-series
#7
Meng-Qiang Tian, Xian-Teng Yang, Xiao-Bin Tian, Yun-Bo Sun, Yuan-Hui Duan, Li Sun
OBJECTIVE: Infection of total knee arthroplasty (TKA) is a rare but devastating complication. Two-stage revision is an effective treatment for late infected TKA. This study aimed to assess the short-term results of two-stage revision using articulating antibiotic-loaded spacers. METHODS: Twenty-five patients (10 men and 15 women) were diagnosed with late infections after TKA and treated with two-stage revision from April 2006 to August 2010; 19 of these patients had TKA for osteoarthritis and 6 for rheumatoid arthritis...
May 17, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29770239/comparison-of-marginal-bone-loss-between-internal-and-external-connection-dental-implants-in-posterior-areas-without-periodontal-or-peri-implant-disease
#8
Dae-Hyun Kim, Hyun Ju Kim, Sungtae Kim, Ki-Tae Koo, Tae-Il Kim, Yang-Jo Seol, Yong-Moo Lee, Young Ku, In-Chul Rhyu
Purpose: The purpose of this retrospective study with 4-12 years of follow-up was to compare the marginal bone loss (MBL) between external-connection (EC) and internal-connection (IC) dental implants in posterior areas without periodontal or peri-implant disease on the adjacent teeth or implants. Additional factors influencing MBL were also evaluated. Methods: This retrospective study was performed using dental records and radiographic data obtained from patients who had undergone dental implant treatment in the posterior area from March 2006 to March 2007...
April 2018: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/29768538/demineralized-bone-matrix-and-calcium-phosphate-cement-in-bone-regeneration-in-rats
#9
Luiz Carlos Ferreira da Silva, Gabriela Granja Porto, Emanuel Sávio de Souza Andrade, José Rodrigues Laureano Filho
PURPOSE: To compare bone regeneration in critical-sized defects in rat calvarium using demineralized bone matrix and calcium phosphate cement. METHODS: Thirty Wistar rats were divided into 3 groups of 10 animals each. Two defects of 5-mm were made in the parietal bones of each animal. Group I had calcium phosphate cement placed in the experimental defect, Group II had filled with demineralized bone matrix and Group III had with the combination of the matrix and cement in equal parts...
April 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29765898/periodontal-healing-following-non-surgical-repair-of-an-old-perforation-with-pocket-formation-and-oral-communication
#10
Saeed Asgary, Prashant Verma, Ali Nosrat
Iatrogenic perforations negatively impact the outcome of endodontic treatments. Studies on prognostic factors showed that perforations in the coronal third of the root with periodontal pocket formation have an unfavorable prognosis. A 36-year-old female was referred for endodontic evaluation of tooth #13 with a history of an iatrogenic perforation, happened 3 years ago. There was a sinus tract associated with perforation, 10 mm probing on the mesial and mesio-palatal, bleeding on probing, radiolucent lesion adjacent to the perforation and complete resorption of the interdental bone between teeth #13 and #12...
May 2018: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/29764470/joint-preserving-palliative-surgery-using-self-locking-screws-of-intramedullary-nail-and-percutaneous-cementoplasty-for-proximal-humeral-metastasis-in-the-advanced-cancer-patients
#11
Jong Woong Park, Yong-Il Kim, Hyun Guy Kang, June Hyuk Kim, Han Soo Kim
BACKGROUND: We introduced a palliative joint-preserving surgery using proximal self-locking screws of intramedullary (IM) nail and percutaneous cementoplasty (PC) in patients with proximal humeral metastases, including the head and neck, and evaluated the outcome of the surgical method. METHODS: Twenty-three patients (mean age = 63.0 ± 11.8 years, M:F = 14:9) had IM nailing with a self-locking screw system and PC for the treatment of humeral head and neck metastases...
May 15, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29762282/uncemented-tantalum-monoblock-tibial-fixation-for-total-knee-arthroplasty-in-patients-less-than-60-years-of-age-mean-10-year-follow-up
#12
Christopher J DeFrancesco, José A Canseco, Charles L Nelson, Craig L Israelite, Atul F Kamath
BACKGROUND: Although tibial component loosening has been considered a concern after total knee arthroplasty without cement, such implants have been used in younger patients because of the potential for ingrowth and preservation of bone stock. However, mid-term and long-term studies of modern uncemented implants are lacking. We previously reported promising prospective 5-year outcomes after using an uncemented porous tantalum tibial component in patients who underwent surgery before the age of 60 years...
May 16, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29761221/interest-of-short-implants-in-hip-arthroplasty-for-osteonecrosis-of-the-femoral-head-comparative-study-uncemented-short-vs-cemented-conventional-femoral-stems
#13
Mehdi Miladi, Benoît Villain, Nasser Mebtouche, Thierry Bégué, Jean-Charles Aurégan
PURPOSES: Osteonecrosis of the femoral head (ONFH) is a dramatic condition resulting in joint destruction in the late stages. Total hip arthroplasty allows function recovery with satisfactory implant survival. Recently, the use of uncemented short stems has been suggested to improve the conservation of bone stock. METHODS: We performed a retrospective study on 16 hip arthroplasties-11 patients-implanted for ONFH between 2008 and 2017. We aimed to compare the outcomes of the two types of arthroplasty-"uncemented short" vs "cemented conventional" femoral stem-in terms of pain (visual analogue scale), function (Harris Hip Score), and survival (radiography)...
May 15, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29761068/antibiotic-containing-bone-substitute-in-major-hip-surgery-a-long-term-gentamicin-elution-study
#14
Mindaugas Stravinskas, Malin Nilsson, Peter Horstmann, Michael Mørk Petersen, Sarunas Tarasevicius, Lars Lidgren
Objectives: The objective is to present the antibiotic elution from a locally implanted gentamicin containing hydroxyapatite and calcium sulphate bone substitute with an extended follow up of 30 days. We also compare the pharmacokinetics of the ceramic bone substitute with a published study on gentamicin containing poly (methyl methacrylate) (PMMA) bone cement used in primary total hip arthroplasty. Methods: Gentamicin release was measured in the urine for a month and the serum for 4 days in 10 patients operated for trochanteric hip fractures and 10 patients in uncemented hip revisions...
2018: Journal of Bone and Joint Infection
https://www.readbyqxmd.com/read/29755232/augmentation-of-fenestrated-pedicle-screws-with-cement-in-patients-with-osteoporotic-spine
#15
Mahmoud Abousayed, Joseph Gamal Boktor, Ahmed Maher Sultan, Wael Koptan, Yasser El-Miligui
Background: Backing out and failure of pedicle screws in patients with osteoporosis is becoming a big problem due to wide use of these screws nowadays. Purpose: The aim of this study is to evaluate the purchase of fenestrated pedicle screws augmented with cement in patients with osteoporosis. Study Design: This was retrospective observational study. Patients and Methods: From May 2015 to January 2016, 25 patients with a poor bone stock condition underwent posterior fixation by fenestrated pedicle screws and cement augmentation...
January 2018: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/29748070/morphometric-tibial-implant-decreases-posterior-overhang-rate-and-improves-clinical-outcomes-results-of-a-prospective-matched-controlled-study
#16
Paul Bizzozero, Yassine Bulaid, Xavier Flecher, Matthieu Ollivier, Sébastien Parratte, Jean-Noel Argenson
BACKGROUND: Tibial implant's positioning in total knee arthroplasty (TKA) requires a compromise between implant's rotation and bone coverage. We hypothesized that morphometric tibial trays (MTTs) would improve implant positioning and clinical outcomes as compared with symmetrical tibial trays. METHODS: Thirty-three patients were included prospectively according to the following criteria: age from 18 to 85 years, body mass index <35 kg/m2 , and posterostabilized cemented TKA performed for primary arthritis...
April 19, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29744425/preliminary-focus-on-the-mechanical-and-antibacterial-activity-of-a-pmma-based-bone-cement-loaded-with-gold-nanoparticles
#17
T Russo, A Gloria, R De Santis, U D'Amora, G Balato, A Vollaro, O Oliviero, G Improta, M Triassi, L Ambrosio
In total knee arthroplasty (TKA) and total hip replacement (THR) the restoration of the normal joint function represents a fundamental feature. A prosthetic joint must be able to provide motions and to transmit functional loads. As reported in the literature, the stress distribution may be altered in bones after the implantation of a total joint prosthesis. Some scientific works have also correlated uncemented TKA to a progressive decrease of bone density below the tibial component. Antibiotic-loaded bone cements are commonly employed in conjunction with systemic antibiotics to treat infections...
September 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29736157/intra-cardiac-embolism-of-a-large-bone-cement-material-after-percutaneous-vertebroplasty-removed-through-a-combination-of-an-endovascular-procedure-and-an-inferior-vena-cava-exploration-a-case-report
#18
Jin-Sung Park, Jaedong Kim, Yonggu Lee, Jun-Gyo Gwon, Ye-Soo Park
Percutaneous vertebroplasty (PVP) is a minimally invasive surgical treatment for patients with osteoporotic vertebral compression fracture (OVCF) and can rapidly alleviate pain, improve mobility, and stabilize the vertebrae. However, it has the potential to cause complications such as cement embolism. A 55-year-old female presented with pain in the lumbar region as a chief complaint. PVP was performed after diagnosis of acute OVCFs at L4 and L5. No abnormal symptoms were reported after surgery, but a large cement embolism was observed in her right atrium and ventricle...
May 7, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29734817/cement-mantle-thickness-does-not-influence-serum-or-local-gentamicin-concentrations-in-hybrid-total-hip-arthroplasty-a-randomised-controlled-trial
#19
Willem van IJperen, Damien Van Quickenborne, Ronald Buyl, Thierry Scheerlinck
INTRODUCTION: We investigated the in vivo gentamicin elution kinetics of Hi-Fatigue Gentamicin Bone Cement (AAP Biomaterials GmbH) in serum and drain fluid after hybrid hip arthroplasty and the relationship with cement mantle thickness. METHODS: We compared in a randomised, non-blinded prospective study, the local and systemic gentamicin concentrations in 2 groups. The thin cement mantle group ( n = 16) received a stem implanted line-to-line with the broach, whereas the thick group ( n = 14) had an undersized stem...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29727032/standard-and-line-to-line-cementation-of-a-polished-short-hip-stem-long-term-in-vitro-implant-stability
#20
Kavin Morellato, Thomas M Grupp, Uwe Bader, Mevluet Sungu, Bernd Fink, Luca Cristofolini
The current trend is towards shorter hip stems. While there is a general agreement on the need for a cement mantle thicker than 2mm, some surgeons prefer line-to-line cementation, where the mantle has only the thickness provided by the cement-bone interdigitation. The aim of this study was to assess if a relatively short, polished hip stem designed for a standard cementation can also be cemented line-to-line without increasing the risk of long-term loosening. Composite femurs with specific open-cell foam to allow cement-bone interdigitation were used...
May 4, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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