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https://www.readbyqxmd.com/read/29772991/reconstruction-plate-based-antibiotic-cement-spacers-clinical-outcomes-and-description-of-technique
#1
Aditya V Maheshwari, Robert Pivec, Roby Abraham, Qais Naziri
The standard of care for chronic deep peri-prosthetic hip infection is a two-stage exchange with placement of a temporary antibiotic cement spacer and treatment with intravenous antibiotics. Several commercially available cement spacer options exist. We report on a novel antibiotic spacer that may be an efficient, cost-effective alternative. Medical records of all patients treated for deep peri-prosthetic hip infection after total hip arthroplasty between 2004 and 2012 were reviewed. Each antibiotic spacer was constructed from a 12- to 16-hole recon plate bent to provide adequate soft tissue tension and a cement ball that matched the acetabulum...
2018: Journal of Long-term Effects of Medical Implants
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
#2
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/29756502/mri-prevalence-and-characteristics-of-supraacetabular-fossae-in-patients-with-hip-pain
#3
Nickolas Boutris, Stephanie L Gardner, Thomas R Yetter, Domenica A Delgado, Luis Pulido, Joshua D Harris
BACKGROUND: Supraacetabular fossae (SAF) are normal anatomic variants found at the 12 o'clock position of the acetabulum and can be mistaken for osteochondral defects. PURPOSE: Determine SAF prevalence on MRI of patients with hip pain. Characterise SAF by type, size, and location. Determine sensitivity of radiology reports and sensitivity of radiographs in SAF detection. METHODS: MRIs performed over 1 year in patients with hip/groin pain were analysed for SAF...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29747677/use-of-clinical-and-computed-tomography-findings-to-assess-long-term-unsatisfactory-outcome-after-femoral-head-and-neck-ostectomy-in-four-large-breed-dogs
#4
Ciprian Ober, Cosmin Pestean, Lucia Bel, Marian Taulescu, Joshua Milgram, Adrian Todor, Rodica Ungur, Mirela Leșu, Liviu Oana
Femoral head and neck ostectomy (FHNO) is a salvage surgical procedure intended to eliminate hip joint laxity associated pain in the immature dog, or pain due to secondary osteoarthritis in the mature dog. The outcome of the procedure is associated with the size of the dog but the cause of a generally poorer outcome in larger breeds has not been determined. The objective of this study was to assess the long-term results of FHNO associated with unsatisfactory functional outcome by means of clinical examination and computed tomography (CT) scanning...
May 10, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29742531/spontaneous-healing-of-a-bucket-handle-posterior-labral-detachment-after-hip-dislocation-in-a-five-year-old-child-a-case-report
#5
R Carter Clement, Daniel P Carpenter, Anna V Cuomo
CASE: We report the case of a 5-year-old girl who sustained a traumatic hip dislocation and a spontaneous reduction that was complicated by nonconcentric reduction and a large bucket-handle labral detachment. This injury was managed, via an anterior approach, with capsulotomy and reduction of the large interposed labral tear with an attached osteochondral fragment from the posterior aspect of the acetabulum. No additional surgical treatment was employed for the labral tear. CONCLUSION: The patient ultimately demonstrated radiographic healing and an asymptomatic, clinically stable hip...
May 9, 2018: JBJS Case Connector
https://www.readbyqxmd.com/read/29739249/incidence-risk-factors-and-prognosis-of-transient-pseudosubluxation-after-total-hip-arthroplasty
#6
Yong-Han Cha, Woo-Lam Jo, Young-Kyun Lee, Yong-Chan Ha, Javad Parvizi, Kyung-Hoi Koo
INTRODUCTION: Pseudosubluxation is a transient separation of the prosthetic femoral head from the acetabular liner during the anaesthetic period after total hip arthroplasty (THA). However, little is known about the frequency, pathomechanism, risk factors or natural history. METHODS: To determine the incidence, direction of the displacement, risk factors and subsequent instability of pseudosubluxation, we evaluated 1099 primary cementless THAs (943 patients), which were performed during 8 years at one institution...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29738600/adapter-sleeves-are-not-needed-to-reduce-the-risk-of-fracture-of-a-new-ceramic-head-implanted-on-a-well-fixed-stem
#7
Young-Hoo Kim, Jang-Won Park, Jun-Shik Kim
The purpose of this study was to assess (1) the prevalence of the fracture of ceramic heads implanted on used trunnions of well-fixed stems without using a titanium adapter sleeve; (2) the prevalence of trunnionosis secondary to fretting and/or corrosion at the trunnion of the well-fixed stem; and (3) clinical and radiographic results and the survival rate of the revised acetabular components. Eighty-eight patients (100 hips) underwent isolated revision of the acetabular components for polyethylene wear and osteolysis of the acetabulum...
May 8, 2018: Orthopedics
https://www.readbyqxmd.com/read/29738398/revenue-for-initial-orthopaedic-trauma-care-effects-of-patient-and-injury-characteristics
#8
Christopher D Flanagan, Alexander S Rascoe, David M Wang, Heather Vallier
OBJECTIVE: To characterize the charges and collections associated with the initial inpatient management of trauma patients who undergo operative fracture management DESIGN:: Retrospective SETTING:: Level 1 trauma center PARTICIPANTS:: 440 consecutive adult trauma patients INTERVENTION:: fixation for fracture of the spine, pelvis, acetabulum, and/or femur fractures MAIN OUTCOME MEASUREMENT:: Professional and technical (facility) charges and collections from the initial inpatient management and 6 months of subsequent related care RESULTS:: Patient were predominantly male (74...
May 3, 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29737523/effects-of-osteoarthritis-on-age-at-death-estimates-from-the-human-pelvis
#9
Stephanie E Calce, Helen K Kurki, Darlene A Weston, Lisa Gould
OBJECTIVES: This study examined the degree of error in age-at-death estimates when osteoarthritis (OA) is present in three separate pelvic joint areas: (1) the pubic symphysis, (2) the auricular surface, and (3) the acetabulum from a modern known-age European cemetery sample of adults. MATERIALS AND METHODS: Age-at-death ranged from 17 to 79 years (x̄ =50.9 years; n = 252). OA in the pelvic joints was evaluated using standard ranked categorical scoring. Composite OA scores were derived through principal component analysis...
May 8, 2018: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29737103/-therapeutic-effect-of-uncemented-allograft-prosthetic-composite-for-the-reconstruction-of-tumorous-bone-defect
#10
Yan-Ling Wang, Li Min, Hong Duan, Yong Zhou, Wei-Li Zhang, Rui Shi, Yi Luo, Chong-Qi Tu
OBJECTIVE: To investigate the surgical techniques and mid-term efficacy of reconstruction for proximal femur with allograft-prosthetic composite (APC) . METHODS: Fifteen patients who underwent uncemented APC reconstruction of proximal femur after bone tumor resection were retrospectively evaluated. Image and physical examinations were taken on the 1st,3rd,6th,9th and 12th month after surgery and every 6 months thereafter to assess union condition,greater trochanteric bone absorption and myodynamia of abductors...
January 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29730219/prevalence-of-high-grade-cartilage-defects-in-patients-with-borderline-dysplasia-with-femoroacetabular-impingement-a-comparative-cohort-study
#11
Ioanna K Bolia, Karen K Briggs, Renato Locks, Jorge Chahla, Hajime Utsunomiya, Marc J Philippon
PURPOSE: To compare the prevalence, size, and location of Outerbridge grade III and IV cartilage defects on the femoral head and acetabulum between patients with borderline acetabular dysplasia and patients with non-borderline dysplasia who underwent hip arthroscopy for femoroacetabular impingement (FAI). METHODS: Patients aged 18 years or older who underwent primary hip arthroscopy for correction of FAI and labral repair from November 2005 to April 2016 were included...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29727415/radiographic-and-clinical-outcomes-of-adolescents-with-acetabular-retroversion-treated-arthroscopically
#12
Jody Litrenta, Brian Mu, Austin W Chen, Victor Ortiz-Declet, Itay Perets, Benjamin G Domb
BACKGROUND: Retroversion of the acetabulum is a cause of pincer impingement. Symptomatic retroversion has traditionally been treated with anteverting periacetabular osteotomy (PAO). However, arthroscopic rim trimming can also treat pincer impingement associated with acetabular retroversion. The purpose of this study was to report the outcomes and radiographic findings in a series of adolescent patients with symptomatic acetabular retroversion treated arthroscopically. METHODS: Data were prospectively gathered at a single institution using an established hip preservation registry...
April 30, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29725513/acetabulum-protrusion-following-ceramic-liner-fracture-a-case-report
#13
K Aytekin, C Z Esenyel
Hip arthroplasty is an extremely satisfying treatment method for coxarthrosis which is in increasing use throughout the world. However, loosening of the prosthesis is a significant complication and to overcome this, ceramic liners are increasingly being selected. If the survival of ceramic surfaces is prolonged, there is a risk of fracture of the ceramic materials. New ceramic materials developed to overcome this problem are more resistant. The case presented here is of a patient in whom liner fracture developed following ceramic-ceramic hip arthroplasty...
March 2018: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/29717335/a-novel-radiographic-scoring-system-for-growth-abnormalities-and-structural-change-in-children-with-juvenile-idiopathic-arthritis-of-the-hip
#14
Susan C Shelmerdine, Pier Luigi Di Paolo, Jasper F M M Rieter, Clara Malattia, Laura Tanturri de Horatio, Karen Rosendahl
BACKGROUND: Approximately 20-50% of children with juvenile idiopathic arthritis (JIA) have hip involvement within 6 years of diagnosis. Scoring systems for hip-related radiographic changes are lacking. OBJECTIVE: To examine precision of potential radiographic variables and to suggest a scoring system. MATERIALS AND METHODS: We reviewed a set of 75 pelvic radiographs from 75 children with JIA hip involvement across two European centres. We assessed findings of (1) destructive change and (2) growth abnormality, according to a pre-defined scoring system...
May 1, 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29715363/hip-joint-contact-pressure-distribution-during-pavlik-harness-treatment-of-an-infant-hip-a-patient-specific-finite-element-model
#15
Behzad Vafaeian, Samer Adeeb, Marwan El-Rich, Dornoosh Zonoobi, Abhilash R Hareendranathan, Jacob L Jaremko
Developmental dysplasia of the hip (DDH) in infants under 6 months of age is typically treated by the Pavlik harness (PH). During successful PH treatment, a subluxed/dislocated hip is spontaneously reduced into the acetabulum, and DDH undergoes self-correction. PH treatment may fail due to avascular necrosis (AVN) of the femoral head. An improved understanding of mechanical factors accounting for the success/failure of PH treatment may arise from investigating articular cartilage contact pressure (CCP) within a hip during treatment...
July 1, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29705201/fungal-communities-associated-with-evernia-prunastri-ramalina-fastigiata-and-pleurosticta-acetabulum-three-epiphytic-lichens-potentially-active-against-candida-biofilms
#16
Aurélie Lagarde, Patricia Jargeat, Mélanie Roy, Marion Girardot, Christine Imbert, Marion Millot, Lengo Mambu
Fungal communities associated to three epiphytic lichens active against Candida, were investigated using culture-based methods We hypothetized that associated fungi would contribute to lichens activities. The ability of specific fungi to grow inside or outside lichens was investigated. To detect biogenesis pathways involved in the production of secondary metabolites, genes coding for nonribosomal peptide synthetase (NRPS) and polyketide synthase I (PKS I) were screened by PCR from fungal DNA extracts. Both endo and epilichenic communities were isolated from two fructicose (Evernia prunastri and Ramalina fastigiata) and one foliose (Pleurosticta acetabulum) lichens...
June 2018: Microbiological Research
https://www.readbyqxmd.com/read/29704036/evaluation-of-articular-cartilage-following-rotational-acetabular-osteotomy-for-hip-dysplasia-using-t2-mapping-mri
#17
Takeshi Shoji, Takuma Yamasaki, Soutaro Izumi, Mikiya Sawa, Yuji Akiyama, Yuji Yasunaga, Nobuo Adachi
BACKGROUND: Rotational acetabular osteotomy (RAO) is one of the surgical treatments for acetabular dysplasia, and satisfactory results have been reported. We evaluated the postoperative changes of articular cartilage and whether the pre-operative condition of the articular cartilage influences the clinical results using T2 mapping MRI. METHODS: We reviewed 31 hips with early stage osteoarthritis in 31 patients (mean age, 39.6 years), including three men and 28 women who underwent RAO for hip dysplasia...
April 27, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29701094/patient-reported-outcome-measures-after-surgery-for-an-acetabular-fracture
#18
B Frietman, J Biert, M J R Edwards
Aims The aim of this study was to record the incidence of post-traumatic osteoarthritis (OA), the need for total hip arthroplasty (THA), and patient-reported outcome measures (PROMS) after surgery for a fracture of the acetabulum, in our centre. Patients and Methods All patients who underwent surgery for an acetabular fracture between 2004 and 2014 were included. Patients completed the 36-Item Short Form Health Survey (SF-36) and the modified Harris Hip Score (mHHS) questionnaires. A retrospective chart and radiographic review was performed on all patients...
May 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29698301/is-there-an-association-between-borderline-to-mild-dysplasia-and-hip-osteoarthritis-analysis-of-ct-osteoabsorptiometry
#19
Tohru Irie, Daisuke Takahashi, Tsuyoshi Asano, Ryuta Arai, Muhammad Alaa Terkawi, Yoichi M Ito, Norimasa Iwasaki
BACKGROUND: The definitive treatment of borderline-to-mild dysplasia remains controversial. A more comprehensive understanding of the etiology of osteoarthritis (OA) and clarification of any possible association between borderline-to-mild dysplasia and the pathogenesis of OA are essential. QUESTIONS/PURPOSES: (1) Does the distribution of acetabular subchondral bone density increase according to dysplasia severity? (2) Is there an association between borderline-to-mild dysplasia and OA pathogenesis? METHODS: We evaluated bilateral hips of patients with developmental dysplasia of the hip who underwent eccentric rotational acetabular osteotomy (ERAO) for inclusion in the dysplasia group and contralateral hips of patients with unilateral idiopathic osteonecrosis of the femoral head (ONFH) who underwent curved intertrochanteric varus osteotomy (CVO) for the control group...
April 23, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29684719/interhelical-interactions-between-d92-and-c218-in-the-cytoplasmic-domain-regulate-proton-uptake-upon-n-decay-in-the-proton-transport-of-acetabularia-rhodopsin-ii
#20
Jun Tamogami, Takashi Kikukawa, Keisuke Ohkawa, Noboru Ohsawa, Toshifumi Nara, Makoto Demura, Seiji Miyauchi, Tomomi Kimura-Someya, Mikako Shirouzu, Shigeyuki Yokoyama, Kazumi Shimono, Naoki Kamo
Acetabularia rhodopsin II (ARII or Ace2), an outward light-driven algal proton pump found in the giant unicellular marine alga Acetabularia acetabulum, has a unique property in the cytoplasmic (CP) side of its channel. The X-ray crystal structure of ARII in a dark state suggested the formation of an interhelical hydrogen bond between C218ARII and D92ARII , an internal proton donor to the Schiff base (Wada et al., 2011). In this report, we investigated the photocycles of two mutants at position C218ARII : C218AARII which disrupts the interaction with D92ARII , and C218SARII which potentially forms a stronger hydrogen bond...
April 11, 2018: Journal of Photochemistry and Photobiology. B, Biology
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