Fracture of polyethylene tibial component in a total knee replacement. A case report.

abstract：:In the current era of total hip arthroplasty (THA), orthopedic surgeons have several fixation options at their disposal. The modern monoblock prosthesis, introduced by Dr. Sir John Charnley, has seen many modifications since its inception in the 1970s and continues to be the most commonly used prosthesis style for pri...

journal_title：Orthopedics

authors： Mehran N,North T,Laker M

更新日期：2013-07-01 00:00:00

abstract：:A retrospective review of a femoral neck preserving custom total hip replacement was performed on seven young patients with disabling hip arthrosis. This design was created to provide greater rotational control to off-axis load and to provide greater proximal medial support to counteract varus bending forces. Eight hi...

journal_title：Orthopedics

authors： Krackow KA,Mont MA,Maar DC

更新日期：1994-03-01 00:00:00

abstract：:Total hip or knee replacement patients who are overweight or obese often consider their disabling joint disease a cause for their increased weight. This prospective study investigated weight change in 100 patients after successful total joint replacement to determine whether surgical treatment of hip or knee arthritis...

journal_title：Orthopedics

authors： Heisel C,Silva M,dela Rosa MA,Schmalzried TP

更新日期：2005-02-01 00:00:00

abstract：:Outcomes after lumbar disk herniation in baseball athletes are currently unknown. It has been postulated that the repetitive torque-producing motions of a baseball player may have negative implications after a disk injury. Sixty-nine lumbar disk herniations (40 treated operatively, 29 nonoperatively) in 64 professiona...

journal_title：Orthopedics

authors： Earhart JS,Roberts D,Roc G,Gryzlo S,Hsu W

更新日期：2012-01-01 00:00:00

abstract：:Osteoarticular infections (OAIs) in the setting of infective endocarditis (IE) are uncommon. Although morbidity and mortality have been widely studied, details of the characteristics of patients with concurrent IE and OAI are limited. Therefore, the purpose of this study was to determine the (1) incidence, (2) mortali...

journal_title：Orthopedics

authors： Anis HK,Miller EM,George J,Shrestha NK,Klika AK,Kamath AF,Babic M,Higuera CA

更新日期：2020-01-01 00:00:00

abstract：:Bisphosphonates are the most commonly prescribed drugs to treat osteoporosis because they have been proposed to prevent bone loss. Nevertheless, in up to 0.1% of patients, long-term use may cause atypical stress or insufficiency femoral fractures. Bilateral femoral shaft fractures have been reported after long-term us...

journal_title：Orthopedics

authors： Rifai A,Pourtaheri S,Carbone A,Callaghan JJ,Stadler CM,Record N,Issa K

更新日期：2015-02-01 00:00:00

abstract：:Valgus tibial osteotomy is a well-recognized procedure for medial compartment arthritis of the knee. The femorotibial angle must be adequately realigned; most unsatisfactory outcomes result from undercorrection. This study of 27 patients (38 knees) with a valgus tibial osteotomy for unicompartmental arthritis of the k...

journal_title：Orthopedics

authors： Pachelli AF,Kaufman EE

更新日期：1987-10-01 00:00:00

abstract：:The preliminary results are presented of an investigation into the influence of intermittent axial cyclical loading, applied for a very short period each day (500 cycles over 17 minutes), upon experimental fracture healing in sheep tibiae. The application of the intermittent stimulus is associated with the earlier app...

journal_title：Orthopedics

authors： Kenwright J,Goodship A,Evans M

更新日期：1984-03-01 00:00:00

abstract：:The purpose of this retrospective cohort study was to evaluate whether there is an increased rate of short-term medical complications following short vs long cephalomedullary nails for the treatment of intertrochanteric hip fractures. A total of 899 patients treated surgically with cephalomedullary nails from January ...

journal_title：Orthopedics

authors： Liu J,Frisch NB,Mehran N,Qatu M,Guthrie ST

更新日期：2018-09-01 00:00:00

abstract：:Recently introduced tibial intramedullary nails allow a number of distal screws to be used to reduce the incidence of malalignment and loss of fixation of distal metaphyseal fractures. However, the number of screws and the type of screw configuration to be used remains obscure. This biomechanical study was performed t...

journal_title：Orthopedics

authors： Agathangelidis F,Petsatodis G,Kirkos J,Papadopoulos P,Karataglis D,Christodoulou A

更新日期：2016-03-01 00:00:00

abstract：:External fixation was employed in 33 open extremity fractures in 29 patients. These high energy injuries were characterized by massive soft tissue injury, contamination, instability, comminution, and/or segmental bone loss. Initial management consisted of irrigation and debridement, and application of the external fix...

journal_title：Orthopedics

authors： Hardaker WT,Ward WT,Goldner JL

更新日期：1981-04-01 00:00:00

abstract：:Ceramic liner fractures are rare after ceramic-on-ceramic THA. This article describes a case of an early ceramic liner fracture caused by impingement with a tilted acetabular screw head 2 months after cementless ceramic-on-ceramic THA. A 59-year-old man underwent primary THA for avascular necrosis of his right femoral...

journal_title：Orthopedics

authors： Lee SC,Jung KA,Nam CH,Kim TH,Ahn NK,Hwang SH

更新日期：2010-05-12 00:00:00

abstract：:This is a 1.2- to 5.3-year survival and clinicoradiologic study of patients with the Birmingham Mid-Head Resection (BMHR) device (Smith & Nephew Orthopaedics, Warwick, United Kingdom). Sixty consecutive hips implanted with this device between 2003 and 2007 were reviewed with hip outcome questionnaires, clinical examin...

journal_title：Orthopedics

authors： Daniel J,Pradhan C,Ziaee H,McMinn DJ

更新日期：2008-12-01 00:00:00

abstract：:Neurologic injury is a rare but devastating complication of spinal surgery that can result in mild sensory to severe motor deficits. Surgeons increasingly use electrophysiological spinal cord function monitoring, including somatosensory- and motor-evoked potentials, intraoperatively to provide information about spinal...

journal_title：Orthopedics

authors： Bronson WH,Forsh D,Qureshi SA,Deiner SG,Weisz DJ,Hecht AC

更新日期：2012-09-01 00:00:00

abstract：:The authors report the case of an atraumatic femoral component fracture 10 years after primary total knee arthroplasty (TKA) with a modern cemented fixed bearing system. The patient, a 70-year-old man, had the complication without inciting trauma, and he subsequently had severe pain and disability. This rare mode of T...

journal_title：Orthopedics

authors： Vovos TJ,Watters TS,Hughes EM,McNabb DC

更新日期：2020-09-01 00:00:00

abstract：:Perioperative blood loss associated with 89 cases of major orthopedic surgery was compared with that of a control group of 89 to determine the effectiveness of intraoperative autologous transfusion. Volume of banked blood transfused and hematocrit change were used to determine total blood loss. The orthopedic cases co...

journal_title：Orthopedics

authors： Bovill DF,Moulton CW,Jackson WS,Jensen JK,Barcellos RW

更新日期：1986-10-01 00:00:00

abstract：:The orthopedic experience of a U.S. Army MASH unit deployed in southern Iraq is discussed. Seventy major casualties were surgically treated in a short time span. A high percentage of extremity trauma was observed (69%). Many patients had multiple extremity involvement. The emergency wartime surgical treatment of four ...

journal_title：Orthopedics

authors： Johnson WL,O'Hearn CJ,Dobner JJ

更新日期：1992-04-01 00:00:00

abstract：:A prospective, randomized clinical study was performed to determine whether unilateral pedicle screw fixation was comparable with bilateral fixation in 1- or 2-segment lumbar interbody fusion. One hundred eight patients with lumbar degenerative diseases were randomly assigned to the unilateral (n=56) or bilateral (n=5...

journal_title：Orthopedics

authors： Xie Y,Ma H,Li H,Ding W,Zhao C,Zhang P,Zhao J

更新日期：2012-10-01 00:00:00

abstract：:Chordoma is a slow-growing neoplasm of the axial skeleton. Two cases of lower cervical chordoma are reported, along with a review. Despite combined high voltage radiation therapy and radical surgery chordoma invariably recurs, producing bone erosion and destruction of vital contiguous structures with resulting high mo...

journal_title：Orthopedics

authors： Prete P,Thorne RP

更新日期：1980-07-01 00:00:00

abstract：:The study of acetabular morphology has shown that there are geographic differences in the morphology and prevalence of acetabular dysplasia among different ethnic groups. However, few data exist on the shape of the acetabulum in various populations around the world. In this study, we examined samples of pelvic radiogr...

journal_title：Orthopedics

authors： Aly TA

更新日期：2011-04-11 00:00:00

abstract：:In conclusion, intraspinal lumbar synovial cysts are uncommon causes of sciatic pain. Intraspinal synovial cysts are associated with degenerative arthritis of the lumbar spine. The radiographic findings on myelography are non-specific, but CT and MRI are helpful in establishing the diagnosis and in differentiating syn...

journal_title：Orthopedics

authors： Budris DM

更新日期：1991-05-01 00:00:00

abstract：:One hundred and ninety-one selfinflicted wrist lacerations in 148 different patients who presented to the Sacramento Medical Center Emergency Room from July, 1975, through June, 1977, are analyzed. One hundred and fifty-four (80.6%) involved the skin alone. Of the 37 lacerations with deep structure injury, 31 involved...

journal_title：Orthopedics

authors： Chuinard RG,Friermood TG,Lipscomb PR

更新日期：1979-09-01 00:00:00

abstract：:As the population ages and medical care, along with a functional life style, continues to improve the health of this group, the number of joint replacement surgeries will continue to rise each year in the United States. This growing volume carries with it the risk of venous thromboembolism associated with joint replac...

journal_title：Orthopedics

authors： Merli GJ

更新日期：2010-09-01 00:00:00

abstract：:A case of metaphyseal cupping of bone that probably occurred as the result of an impaired blood supply to the leg of an infant is reported. Avascularity and premature closure of the central segment of the growth plate is the proposed pathogenesis. The blood supply, growth and development of the ends of growing bones a...

journal_title：Orthopedics

authors： Wiss DA

更新日期：1981-06-01 00:00:00

abstract：:Fractures of the medial clavicle are rare, and most usually displace anterior or superior. Due to the structures in the mediastinum, accurate diagnosis of posterior fractures or dislocations is vital, but diagnosis can be difficult and delayed. Duplex ultrasound and three-dimensional computed tomography can be helpful...

journal_title：Orthopedics

authors： Hanby CK,Pasque CB,Sullivan JA

更新日期：2003-01-01 00:00:00

abstract：:Instability is one of the most common causes of failure of total knee arthroplasty (TKA). The presentation can vary from pain to frank dislocation with the etiologies just as varied. Instability after TKA can be classified by where the instability occurs in the knee's arc of motion as well as the chronicity of the pro...

journal_title：Orthopedics

authors： Del Gaizo DJ,Della Valle CJ

更新日期：2011-09-09 00:00:00

abstract：:The optimum management for recurrent glenohumeral instability with significant humeral head defects remains controversial. The purpose of this study was to compare outcomes and recurrence rates between patients who underwent osteochondral substitute grafting and patients who underwent remplissage to treat recurrent sh...

journal_title：Orthopedics

authors： Garcia GH,Park MJ,Baldwin K,Fowler J,Kelly JD 4th,Tjoumakaris FP

更新日期：2013-01-01 00:00:00

abstract：:The activity of eight antimicrobial agents which might be used in the treatment of staphylococcal osteomyelitis was tested under anaerobic conditions similar to those found in chronically infected bone. An agar-dilution method was employed to determine the minimum inhibitory concentrations of tobramycin, vancomycin, t...

journal_title：Orthopedics

authors： Tsukayama DT,Guay DR,Gustilo RB,Wicklund B,Gruninger R,Peterson PK

更新日期：1988-09-01 00:00:00

abstract：:The Balanced Budget Act of 1997 mandated reductions in physician reimbursement. This reduction in payments could be envisioned to limit expenditures on 2 counts: first, individual fees would be lower, producing inherent savings. Furthermore, reducing fees should depress the incentive to work, thereby generating additi...

journal_title：Orthopedics

authors： Bernstein J,Derman P

更新日期：2012-12-01 00:00:00

abstract：:The goal of this study was to compare the biomechanical stability of cannulated locking screws and noncannulated cortical locking screws in a periarticular locking plate. Twelve fresh-frozen porcine tibias with a 1-cm gap created distal to the tibial plateau were used to simulate an unstable proximal tibial fracture. ...

journal_title：Orthopedics

authors： Yang SW,Kuo SM,Chang SJ,Su TS,Chen HH,Renn JH,Lin TS

更新日期：2013-10-01 00:00:00