Resurfacing hip arthroplasty. Classification of loosening and the role of prosthesis wear particles.

abstract：UNLABELLED:Controversy exists as to whether bearing mobility facilitates centralization of the extensor mechanism after TKA. To assess the incidence of lateral retinacular release, we retrospectively reviewed 1318 consecutive primary TKAs (1032 patients) performed by one surgeon using either a rotating-platform bearing...

journal_title：Clinical orthopaedics and related research

authors： Yang CC,McFadden LA,Dennis DA,Kim RH,Sharma A

更新日期：2008-11-01 00:00:00

abstract：BACKGROUND:A surgical site infection is a substantial cause of complications in patients. Different methods are being used to decrease surgical site infections; however, these infections still can cause complications, especially in patients undergoing longer operations (> 3 hours). There is evidence that the efficacy o...

journal_title：Clinical orthopaedics and related research

authors： Hosseini P,Mundis GM Jr,Eastlack R,Nourian A,Pawelek J,Nguyen S,Akbarnia BA

更新日期：2016-07-01 00:00:00

abstract：:The clinical biocompatibility and degradation behavior of absorbable fracture fixation devices are still incompletely known in humans. Fifty-one patients with displaced fracture of the ankle treated by open reduction and internal fixation with absorbable screws made of polylevolactide were seen in followup for at leas...

journal_title：Clinical orthopaedics and related research

authors： Böstman OM,Pihlajamäki HK,Partio EK,Rokkanen PU

更新日期：1995-11-01 00:00:00

abstract：:Onset of firing for the quadriceps, hamstrings, and gastroc soleus groups during running, both on a treadmill and over ground, was determined in seven normal adult male subjects. Surface and wire electrode data were collected simultaneously from 959 individual gait cycles. The mean velocity over ground was 274 +/- 38 ...

journal_title：Clinical orthopaedics and related research

authors： Schwab GH,Moynes DR,Jobe FW,Perry J

更新日期：1983-06-01 00:00:00

abstract：BACKGROUND:Historically, physicians as participants in healthcare governance were shunned because of perceived potential for conflict of interest. This maxim is being revisited as health systems begin to appreciate the value presented by physician leaders. QUESTIONS/PURPOSES:This overview of the orthopaedist's role in...

journal_title：Clinical orthopaedics and related research

authors： Probe RA

更新日期：2013-06-01 00:00:00

abstract：:Eleven patients with Legg-Calvé-Perthes disease (LCP) were examined ultrasonographically for their femoral head deformity. The outline of the cartilaginous femoral head was well demonstrated, and the image obtained corresponded to that observed by arthrography. Using ultrasonography, a simple method was developed to d...

journal_title：Clinical orthopaedics and related research

authors： Suzuki S,Awaya G,Okada Y,Ikeda T,Tada H

更新日期：1987-07-01 00:00:00

abstract：BACKGROUND:The majority of published functional outcome data for tumor megaprostheses comes in the form of subjective functional outcome scores. Sparse objective data exist demonstrating functional results, activity levels, and efficiency of gait after endoprosthetic reconstruction in patients treated for orthopaedic t...

journal_title：Clinical orthopaedics and related research

authors： Bernthal NM,Greenberg M,Heberer K,Eckardt JJ,Fowler EG

更新日期：2015-03-01 00:00:00

abstract：:If hinged prostheses are revised with smaller and nonhinged prostheses, do these implants provide adequate fixation, do massive bone grafts in combination with smaller implants reinforce host bone stock, do less constrained prostheses restore ligament tension, and do they avoid problems of the extensor mechanism? To a...

journal_title：Clinical orthopaedics and related research

authors： Barden B,Fitzek JG,Löer F

更新日期：2004-06-01 00:00:00

abstract：:The rationale of acute and chronic orthopedic management of traumatic throacolumbar kyphosis is determined by the type and location of the injury. The performance of laminectomy is condemned due to its historical failure in both the acute and chronic phase and its violation of simple mechanical principles. ...

journal_title：Clinical orthopaedics and related research

authors： Whitesides TE Jr

更新日期：1977-10-01 00:00:00

abstract：BACKGROUND:Massive soft tissue loss involving the pelvis and extremities from trauma, infections, and tumors remains a challenging and debilitating problem. Although vacuum-assisted closure (VAC) technology is effective in the management of soft tissue loss, the adjunct of a silver dressing in the setting of massive wo...

journal_title：Clinical orthopaedics and related research

authors： Siegel HJ,Herrera DF,Gay J

更新日期：2014-03-01 00:00:00

abstract：UNLABELLED:As the number of unicompartmental knee arthroplasties performed continues to rise, so too will the number of failures. In order to justify its continued use, conversion to total knee arthroplasty must be evaluated. From 1993-2004, 22 consecutive knees from 18 patients with a failed unicondylar knee arthropla...

journal_title：Clinical orthopaedics and related research

authors： Springer BD,Scott RD,Thornhill TS

更新日期：2006-05-01 00:00:00

abstract：:The purpose of this two-part biomechanical study was to evaluate various fixation methods for transverse acetabular fractures in a synthetic pelvic model. In Part 1, 40 transverse acetabular fractures were repaired with anterior column plating using 10-hole curved reconstructions plates with one of four screw configur...

journal_title：Clinical orthopaedics and related research

authors： Shazar N,Brumback RJ,Novak VP,Belkoff SM

更新日期：1998-07-01 00:00:00

abstract：BACKGROUND:Nailing comminuted femur fractures may result in leg shortening, producing significant complications including pelvic tilt, narrowing of the hip joint space, mechanical and functional changes in gait, an increase in energy expenditures, and strains on spinal ligaments, leading to spinal deformities. The freq...

journal_title：Clinical orthopaedics and related research

authors： Herscovici D Jr,Scaduto JM

更新日期：2014-09-01 00:00:00

abstract：:Twenty-one patients older than 60 years of age with septic arthritis were reviewed over a ten-year period. The knee was the joint most commonly involved. Concurrent medical illnesses were noted in the majority of patients, with diabetes mellitus present in 24%. Seventy-one percent of patients had roentgenographic evid...

journal_title：Clinical orthopaedics and related research

authors： Vincent GM,Amirault JD

更新日期：1990-02-01 00:00:00

abstract：:Chondrocytes are the single cellular component of hyaline cartilage. Under physiologic conditions, they show steady-state equilibrium between anabolic and catabolic activities that maintains the structural and functional integrity of the cartilage extracellular matrix. Implicit in the loss of cartilage matrix that is ...

journal_title：Clinical orthopaedics and related research

authors： Goldring SR,Goldring MB

更新日期：2004-10-01 00:00:00

abstract：:The Fabella Syndrome is recognized by a sharp pain, local tenderness, and intensification of pain in the area of the fabella by full extension of the knee. After diagnostic tests with local anesthesia and ineffective conservative treatment, surgical extirpation may produce lasting relief of symptoms. ...

journal_title：Clinical orthopaedics and related research

authors： Weiner D,Macnab I,Turner M

更新日期：1977-07-01 00:00:00

abstract：:Twenty-nine cases of pigmented villonodular synovitis (PVS) of the knee in 27 patients were reviewed to determine characteristic roentgenographic findings. All cases met strict histologic criteria for diagnosis. Four cases were localized PVS (LPVS), and 25 cases were diffuse PVS (DPVS). Roentgenographic findings were ...

journal_title：Clinical orthopaedics and related research

authors： Flandry F,McCann SB,Hughston JC,Kurtz DM

更新日期：1989-10-01 00:00:00

abstract：:Allograft struts are used to reinforce the deficient proximal femur in hip arthroplasty or for fixation of a periprosthetic fracture. Although the use of strut grafts wired or cabled to the proximal femur generally has been successful, the time for healing is slow. The purpose of the current study was to determine whe...

journal_title：Clinical orthopaedics and related research

authors： Cook SD,Barrack RL,Santman M,Patron LP,Salkeld SL,Whitecloud TS 3rd

更新日期：2000-12-01 00:00:00

abstract：:Almost all computer-assisted orthopaedic surgery systems that rely on the anterior pelvic plane definition, such as in computed tomography and magnetic resonance image-based, fluoroscopy-based, and nonimage total hip replacement approaches, are derived from identifying two pairs of pelvic bony landmarks: anterior supe...

journal_title：Clinical orthopaedics and related research

authors： Wolf A,Digioia AM 3rd,Mor AB,Jaramaz B

更新日期：2005-08-01 00:00:00

abstract：:Most studies on shoulder arthroplasty include a diverse group of patients presenting to a tertiary care center. Little information is available regarding outcomes in a community setting. We reviewed 98 residents (110 shoulders) of Olmsted County, Minnesota who had shoulder arthroplasties from 1976 to 2000. There were ...

journal_title：Clinical orthopaedics and related research

authors： Adams JE,Sperling JW,Schleck CD,Harmsen WS,Cofield RH

更新日期：2007-02-01 00:00:00

abstract：:The biologic effects of wear debris are an important factor limiting the longevity of total joint replacements. In vivo, in vitro, and tissue retrieval studies have underlined a central role for the macrophage in the etiology of loosening and periprosthetic osteolysis. Wear particles from the materials used for total ...

journal_title：Clinical orthopaedics and related research

authors： Goodman SB,Lind M,Song Y,Smith RL

更新日期：1998-07-01 00:00:00

abstract：:Managing tumors of the proximal fibula may require en bloc resection of the fibular head with the attachment site for the lateral collateral ligament. These resections of the proximal fibula cause unavoidable knee instability. We describe a reconstructive technique intended to minimize that instability. We retrospecti...

journal_title：Clinical orthopaedics and related research

authors： Bickels J,Kollender Y,Pritsch T,Meller I,Malawer MM

更新日期：2007-01-01 00:00:00

abstract：:During the past 30 years, the orthopaedic oncology group at the Massachusetts General Hospital has treated 648 patients with osteosarcoma centrally located in the bone. Using records maintained in a specifically designed computer system, a study was done to assess the factors that seemed to influence the survival outc...

journal_title：Clinical orthopaedics and related research

authors： Mankin HJ,Hornicek FJ,Rosenberg AE,Harmon DC,Gebhardt MC

更新日期：2004-12-01 00:00:00

abstract：:Eleven intraoperative femur fractures occurred during 605 total hip replacements at Rancho Los Amigos Hospital, an incidence of 1.8%. Fractures occur more often in women, are usually located in the proximal femur, and mostly occur during femoral reaming. The main predisposing factors were osteoporosis and previous hip...

journal_title：Clinical orthopaedics and related research

authors： Taylor MM,Meyers MH,Harvey JP Jr

更新日期：1978-11-01 00:00:00

abstract：:Osteoblastic and chondroblastic (i.e., osteogenic) cells belong to the stromal cell system, which is associated with bone marrow, and bone and is separate from the hematopoietic stem-cell system. Stromal stem cells are capable of producing reticular, fibroblastic, osteogenic, and adipose stromal lines. Marrow-derived ...

journal_title：Clinical orthopaedics and related research

authors： Włodarski KH

更新日期：1990-03-01 00:00:00

abstract：BACKGROUND:Severe femoral head deformities in the frontal plane such as hips with Legg-Calvé-Perthes disease (LCPD) are not contained by the acetabulum and result in hinged abduction and impingement. These rare deformities cannot be addressed by resection, which would endanger head vascularity. Femoral head reduction o...

journal_title：Clinical orthopaedics and related research

authors： Siebenrock KA,Anwander H,Zurmühle CA,Tannast M,Slongo T,Steppacher SD

更新日期：2015-04-01 00:00:00

abstract：BACKGROUND:Sacrectomy may offer curative potential for primary sarcomas of the sacrum. However, it is unclear whether and to what extent sacrectomies achieve local control. QUESTIONS/PURPOSE:We therefore determined the curative potential, walking ability, continence control, and quality of life for children after sacr...

journal_title：Clinical orthopaedics and related research

authors： Arkader A,Yang CH,Tolo VT

更新日期：2012-05-01 00:00:00

abstract：:The optimal method of fixation during periacetabular osteotomy is unknown. Periacetabular osteotomies were created on both sides of six whole pelves from fresh cadavers and were fixed randomly either with three long 4.5-mm cortical screws from the iliac crest to the osteotomized fragment (iliac fixation) or with two s...

journal_title：Clinical orthopaedics and related research

authors： Babis GC,Trousdale RT,Jenkyn TR,Kaufman K

更新日期：2002-10-01 00:00:00

abstract：:Metasul metal-on-metal articulations have been used for 15 years in approximately 300,000 total hip replacements. We have used Metasul articulations in three clinical studies and have shown clinical success as measured by Harris hip scores and patient self-assessment; we also have had the usual mechanical complication...

journal_title：Clinical orthopaedics and related research

authors： Dorr LD,Long WT,Sirianni L,Campana M,Wan Z

更新日期：2004-12-01 00:00:00

abstract：:A cementless porous-coated femoral prosthesis with a long stem was implanted in seven patients who had untreated comminuted unstable intertrochanteric fractures of the femur associated with a posterior dislocation of the femoral head. The average age of the patients was 35 years (range, 25-52 years). The length of fol...

journal_title：Clinical orthopaedics and related research

authors： Kim YH,Oh JH,Koh YG

更新日期：1992-04-01 00:00:00