abstract：:Recent reports of total knee prosthesis fractures have raised concerns over the long-term structural integrity of metal-backed tibial components. Both the development of a fibrous tissue membrane under the tibial plateau of a total knee prosthesis and loading conditions may seriously alter the fatigue life of the meta...

journal_title：Orthopedics

authors： Paganelli JV,Skinner HB,Mote CD Jr

更新日期：1988-08-01 00:00:00

abstract：:A new process for arthrodesis in humans is presented. The process has been used successfully in the cervical spine of horses and has potential for human use. The concept is encompassed in the process of an anterior cervical fusion and is an adaptation of that established practice but using an implant of stainless stee...

journal_title：Orthopedics

authors： Bagby GW

更新日期：1988-06-01 00:00:00

abstract：:Under certain clinical conditions, posterior stabilization of the cervical spine, supplemented with polymethylmethacrylate (PMMA), is an accepted method of achieving stability. A technique is described in which "cement forms" are used to limit the spread of PMMA and to allow bone graft placement in the lateral paraspi...

journal_title：Orthopedics

authors： Dugdale TW,Raycroft JF

更新日期：1988-05-01 00:00:00

abstract：:Diffuse idiopathic skeletal hyperostosis is a disorder of skeletal tissues which most commonly effects elderly white males. Characteristic radiographic findings involve the production of large juxtacortical osteophytes in the absence of degenerative joint changes. The thoracic spine is the most frequently involved por...

journal_title：Orthopedics

authors： Burkus JK

更新日期：1988-05-01 00:00:00

abstract：:In a multicenter, randomized, double-blind, parallel trial, the efficacy and tolerability of two regimens of naproxen sodium were compared in a two-day treatment of moderate to severe pain following open surgery of the hip, shoulder, knee, and ankle joints. Of 147 patients enrolled, the data of 99 were valid for effic...

journal_title：Orthopedics

authors： Goldberg MA,McLaughlin GE,Kieffer DA,Stern L,Hirose H,Akeson W,Hewson GF Jr

更新日期：1988-04-01 00:00:00

abstract：:Multi-directional shoulder instability is a difficult problem to both diagnose and treat. Knowledge of shoulder anatomy and its pathological states has expanded dramatically in recent years. Aiding diagnostic acumen are new tools including CT arthrograms, glenohumeral arthroscopy, and evaluation under anesthesia. MDI ...

journal_title：Orthopedics

authors： Arendt EA

更新日期：1988-01-01 00:00:00

abstract：:The Neer I (polyethylene glenoid), Neer II (plastic glenoid surface with metal backing), Cofield, and Gristina monospherical total shoulder prostheses were tested for joint subluxation resistance and glenoid component fixation strength. Synthetic glenoid models with consistent structural properties and standard under-...

journal_title：Orthopedics

authors： Fukuda K,Chen CM,Cofield RH,Chao EY

更新日期：1988-01-01 00:00:00

abstract：:The etiology of idiopathic scoliosis remains unknown. Certain growth characteristics have been identified but they have not led to any conclusions as to the cause. Scoliosis is a progressive disease, even in adulthood, and can lead to significant disability if large curves are left untreated. Conservative treatment re...

journal_title：Orthopedics

authors： Benson DR

更新日期：1987-12-01 00:00:00

abstract：:Non-traumatic atlantoaxial subluxation in an adult due to retropharyngeal abscess has been only sporadically reported. This article presents such a case treated non-surgically, with discussion of clinical presentation, diagnosis, pathogenesis, and treatment. The differential diagnosis of non-traumatic atlantoaxial sub...

journal_title：Orthopedics

authors： Robertson S,Pinstein ML,LaVelle DG

更新日期：1987-11-01 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：:In this study, a simple animal model has been used to gather data on the mechanical and histologic changes in cartilage and the histologic changes in synovium attendant to acute joint hemorrhage. The continuous presence of autologous blood in the experimental joints for 10 days results in cartilage which is significan...

journal_title：Orthopedics

authors： Parsons JR,Zingler BM,McKeon JJ

更新日期：1987-07-01 00:00:00

abstract：:In a retrospective review of 80 tibial plateau fractures, 28 fractures were treated nonoperatively with a variety of closed methods and 52 were treated with open reduction and internal fixation using AO technique. At an average follow up of 24 months, a satisfactory result was obtained in 87% of the operatively treate...

journal_title：Orthopedics

authors： Savoie FH,Vander Griend RA,Ward EF,Hughes JL

更新日期：1987-05-01 00:00:00

abstract：:Aseptic loosening is the most common mode of failure for total knee replacements. Component breakage is rare, usually attributable to errors of design or manufacture. A case is presented in which rotational malplacement of the femoral component resulted in accelerated wear and eventual fracture of the polyethylene tib...

journal_title：Orthopedics

authors： Mowery C,Botte M,Bradley G

更新日期：1987-02-01 00:00:00

abstract：:When conservative measures fail to alleviate pain and disability of ankle joint disease, tibiotalar arthrodesis is the present accepted surgical treatment. Unfortunately, ankle arthrodesis also carries a significant rate of complications and the success rate does not parallel the results of hip and knee joint arthropl...

journal_title：Orthopedics

authors： Scholz KC

更新日期：1987-01-01 00:00:00

abstract：:In a prospective double blind study, 26 patients were evaluated for postoperative pain relief with use of epidural morphine. The variable in this study was the addition of paravertebral bupivacaine used in 14 patients. The addition of the bupivacaine did not have a statistically significant effect on lowering the anal...

journal_title：Orthopedics

authors： Rechtine GR,Love LC

更新日期：1986-12-01 00:00:00

abstract：:The EMG-force relationships of skeletal muscles are of significant interest to the orthopedic-biomechanics researcher and have been a topic of interest and controversy for the last three decades. We present the developments reported in the literature, from the early 1950s, relevant to this topic, outlining the details...

journal_title：Orthopedics

authors： Solomonow M,Baratta R,Zhou BH,Shoji H,D'Ambrosia R

更新日期：1986-11-01 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 early effect of reaming the medullary cavity prior to intramedullary nailing using Küntscher's method, on human cortical bone vascularization in the femur is discussed. In sections of the femur where the medullary tissue had been totally reamed, the inner two-thirds of the cortical bone tube was completely avascul...

journal_title：Orthopedics

authors： Olerud S,Strömberg L

更新日期：1986-09-01 00:00:00

abstract：:Osteoid osteoma is a benign tumor of bone that occurs in children and adolescents, particularly in the femur and tibia. Osteoid osteoma of the spine accounts for approximately 10% of these lesions. There frequently is a delay in diagnosis because of its difficult visual appearance. Pain in the spine occurring at night...

journal_title：Orthopedics

authors： Polivy KD,Scott RM,Zimbler S

更新日期：1986-08-01 00:00:00

abstract：:This prospective study confirms that patellofemoral pain arises predominantly in a young population and is more common in females. Patellar malalignment and its progression to patellar subluxation can be managed conservatively with improvement in the majority of cases. Arthroscopic lateral release may be necessary for...

journal_title：Orthopedics

authors： Yates C,Grana WA

更新日期：1986-05-01 00:00:00

abstract：:Osteolysis of the distal clavicle was diagnosed in a young male athlete following many years as a baseball pitcher with a supplementary weightlifting program. There was no history of ligamentous injuries, contusions, fractures or separation of the acromioclavicular joint. As such, this case was categorized as "atrauma...

journal_title：Orthopedics

authors： Brunet ME,Reynolds MC,Cook SD,Brown TW

更新日期：1986-04-01 00:00:00

abstract：:Radiolucencies are frequently observed in the carpus, often in asymptomatic patients. Evaluation of the clinical significance of these radiolucent areas is aided by use of bone scanning. In this case, correlation of the physical exam, bone scan and tomograms allowed effective direct surgical treatment of a symptomatic...

journal_title：Orthopedics

authors： Flynn M,Light TR

更新日期：1986-02-01 00:00:00

abstract：:Knee arthroscopy in locally anesthetized ambulatory patients has been performed by filling the knee joint with 50 ml to 60 ml of 0.5% prilocaine, with adrenaline and with additional local infiltration at the sites of puncture. During the arthroscopic procedure the joint cavity is further distended with a mixture of th...

journal_title：Orthopedics

authors： Eriksson E,Häggmark T,Saartok T,Sebik A,Ortengren B

更新日期：1986-02-01 00:00:00

abstract：:The criteria for the management of patients with femoral neck fractures by internal fixation, hemiarthroplasty, or total hip replacement are becoming better defined. Our experience in 111 cases indicates that total hip arthroplasty has a definite role if the cases are carefully selected. The main indication is a high-...

journal_title：Orthopedics

authors： Sim FH,Sigmond ER

更新日期：1986-01-01 00:00:00

abstract：:An otherwise healthy young male sustained a non-displaced fracture of the pelvis in a blunt trauma from a motor vehicle accident. A fever developed on his second post injury day which led to discovery of an intrahepatic abscess by CAT scan. After blunt trauma to the abdomen, one must consider not only a retroperitonea...

journal_title：Orthopedics

authors： Fadel JN,Ambach JW,Fitzpatrick JF,Liebert CW Jr

更新日期：1985-10-01 00:00:00

abstract：:The five kinds of prosthetic materials: powders of cobalt alloy, stainless steel, alumina ceramic, HDP plastic and bone cement, were injected to the knee joints of 16 rats for each material. Two controls were used, one with saline solution and the other untreated. Some of the rats were sacrificed at one week, being le...

journal_title：Orthopedics

authors： Uchida S

更新日期：1985-10-01 00:00:00

abstract：:Sural nerve grafts have applicability in many facets of reconstructive surgery. A harvesting technique is described which utilizes a tendon stripper introduced through a single distal incision. This method provides adequate length of autogenous graft material without significant difficulty or morbidity. ...

journal_title：Orthopedics

authors： Hankin FM,Jaeger SH,Beddings A

更新日期：1985-09-01 00:00:00

abstract：:A technique for recording the myoelectric activity of electrically stimulated muscle through its motor nerve without the interference of stimuli artifacts has been developed and tested. The technique consists of a wide band differential amplifier with fine intramuscular wire electrodes. The amplified signal is passed ...

journal_title：Orthopedics

authors： Solomonow M,Baratta R,Miwa T,Shoji H,D'Ambrosia R

更新日期：1985-04-01 00:00:00

abstract：:In 1973 a workshop sponsored by the National Academy of Sciences recommended that "efforts to develop prescription criteria for use of the numerous variants of the BK prosthesis should be intensified." This paper provides a review of the important considerations in the prescription of a below-knee prosthesis. It is in...

journal_title：Orthopedics

authors： Abrahamson MA,Skinner HB,Effeney DJ,Wilson LA

更新日期：1985-02-01 00:00:00

abstract：:Fifty-five patients underwent operative treatment of slipped capital femoral epiphyses at Children's Hospital Medical Center in Cincinnati, Ohio, between January 1975 and April 1980. Charts and x-rays were available for review in 45 of these patients with 68 affected hips; the incidence of bilaterality was 51%. Sixty-...

journal_title：Orthopedics

authors： Bloom ML,Crawford AH

更新日期：1985-01-01 00:00:00

abstract：:A basic closed loop control system is described for controlling movement of paralyzed skeletal muscle in humans. The system is based around a Z80 microprocessor with 20K of memory. The system involves sensors to detect the amount of movement in muscle or the tension generated by that muscle, a computer-controlled stim...

journal_title：Orthopedics

authors： Petrofsky JS,Phillips CA,Stafford DE

更新日期：1984-08-01 00:00:00

abstract：:The carpometacarpal joint of the thumb is a frequent site of pain and disability secondary to arthritis. Surgical treatment for this disease has included arthrodesis, excision, total joint replacement, ligament reconstruction, and tendon or synthetic interposition arthroplasty. The aim of treatment is a functional, pa...

journal_title：Orthopedics

authors： Wilchinsky ME,Malek N

更新日期：1984-06-01 00:00:00

abstract：:Osteotaxis has been proven to offer a means for limb stabilization even in the most severe cases of upper extremity injuries, especially in cases where extensive soft tissue injuries contraindícate internal fixation or plaster cast treatment. Our policy has been to use the osteotaxis treatment only in these severe cas...

journal_title：Orthopedics

authors： Santavirta S,Karaharju E,Korkala O

更新日期：1984-04-01 00:00:00

abstract：:Compression, moment, and shear forces were loaded onto models of a long tubular bone with comminuted fracture fixed with external fixation using several pins and frameworks. Stabilities were compared by finite element method. For the unstable fracture, stability in all directions is necessary. The selection of pins an...

journal_title：Orthopedics

authors： Oonishi H,Tatsumi M,Hasegawa T

更新日期：1984-04-01 00:00:00

abstract：:External fixation of fractures, unlike other forms of treatment, can provide an accurate and variable control of the mechanical conditions of the fracture. Extremely stable conditions, with correct positioning of the bone screws, will reduce the risk of overloading the bone screws and bone interface, which would other...

journal_title：Orthopedics

authors： Harris JD,Kenwright J,Evans M,Tanner KE,Gwillim J

更新日期：1984-03-01 00:00:00

abstract：:The standard Hoffmann fixator is ideal for electrical stimulation, using the pins as electrodes and the frame for fixation of the fracture and the stimulator. The main problem in this method of stimulation is the corrosion of the pins, which are made of stainless steel. Through 12 years of clinical research on human f...

journal_title：Orthopedics

authors： Jørgensen TE

更新日期：1984-03-01 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 objective of this study was to determine the effectiveness of 2% glutaraldehyde as a sterilant for arthroscopes that had been used in septic joints. The first part of the experiment determined the minimum inhibitory concentration and the minimum lethal concentration of the disinfectant for five organisms frequentl...

journal_title：Orthopedics

authors： Shoji H,Gutierrez MM,Aldridge KE

更新日期：1984-02-01 00:00:00

abstract：:Clinical experience with a poroussurfaced modified Moore prosthesis designed for biological fixation is described. Principles of noncemented arthroplasty including details of patient selection, implant design and selection, and surgical technique are emphasized. Analysis of the first 100 patients with a minimum follow...

journal_title：Orthopedics

authors： Engh CA,Bobyn JD,Gorski JM

更新日期：1984-02-01 00:00:00

abstract：:Compartmental syndrome of the forearm is a well-recognized complication of upper extremity injuries. An unusual case of the syndrome is presented, which developed after a "sprained" wrist. The etiology of the syndrome in this case was possibly tearing of anterior compartment muscle fibers when the wrist was forcibly e...

journal_title：Orthopedics

authors： Pollock MS,Morris SB,Sadeghpour E

更新日期：1984-02-01 00:00:00