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Results for “FRACTURE FIXATION”

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At least 667 records · Page 37Linked to original sources
PubMed1997

Open reduction internal fixation of displaced transverse patella fractures with figure-eight wiring through parallel cannulated compression screws.

OBJECTIVE: To evaluate the clinical results of transverse patella fracture fixation with a tensioned anterior figure-eight wire placed through parallel cannulated screws. DESIGN: Prospective, clinical. PATIENTS: Ten patients with displaced transverse patella fractures were managed with a standardized rehabilitation protocol that employed early continuous passive knee motion. OUTCOME MEASURES: Time to clinical and radiographic union, Hospital for Special Surgery Knee Scores, and comparisons with literature cohort studies. RESULTS: Clinical union occurred at an of average eight weeks and radiographic union at a mean of thirteen weeks postoperatively. Early continuous passive motion over a restricted are did not compromise the quality of fracture reduction, even though the majority of patients were elderly and had osteopenic bone. Subjective and functional results using Hospital for Special Surgery Knee Scores were comparable to previously published reports, with 70 percent achieving an excellent or good outcome. CONCLUSIONS: The described fixation technique for transverse patella fractures had clinical results equivalent to reports of patella fractures fixed with modified tension band wiring. Advantages included a low-profile construct that caused lesser degrees of implant irritation to local soft tissue structures, was compatible with the use of early restricted motion, and afforded a method to salvage three cases in which traditional tension band wiring failed to maintain an anatomic reduction in oteoporotic bone.

Adult↗
PubMed1979

Internal fixation of fractures of the proximal end of the radius in adults.

Eight cases of internal fixation for fractures of the proximal end of the radius in adults are discussed. The reasons for this procedure, after considering the patient's age and activity and the type of fracture, was to avoid the sequelae of resection of the radial head. By following an appropriate technique, and provided that there are no compications, the results obtained have been excellent.

Adult↗
PubMed2006

MRI study of bioabsorbable poly-L-lactic acid devices used for fixation of fracture and osteotomies.

BACKGROUND: The overall clinical results of bioabsorbable fixation devices made of poly-L-lactic acid (PLLA) used for fixation of fractures, bone grafting, and osteotomies have been favorable. However, clinical studies demonstrated no sign of normal bony architecture restored after surgery, although implant channels had been filled with fibrous tissue. The purpose of the present retrospective study was to examine the extent of structural changes in PLLA devices (PLLA-Ds) for fixation of rotational acetabular osteotomies and displaced malleolar ankle fractures using magnetic resonance imaging (MRI). METHODS: Altogether, 14 patients with osteoarthritis of hip joints and 15 with displaced malleolar ankle fractures were operated on using PLLA-D (NEOFIX). Of these patients, 22 were finally enrolled in the study, and the period from operation to the time of the study ranged from 17 to 78 months. The postoperative radiographic findings were evaluated for union, and changes around the implant holes were classified as sclerosis, resorption, or no change. MRI was carried out to estimate changes in the PLLA-Ds. RESULTS: Bone union was obtained in all cases; clinical complications such as infection, joint effusion, soft tissue irritation due to PLLA-D deviation, and motion pain in the joints were not observed. The MRI study suggested that water content in PLLA-D increased mainly due to biodegradation and that implants were not replaced by bony tissue. CONCLUSIONS: The PLLA-Ds were degraded but were not replaced by bony tissue during the observation period. Considering these findings and the assumption that in bony tissues mechanical strength of PLLA-D decreases with time, attention should be paid to mechanical insufficiency, which may occur when the cross-sectional area of a PLLA-D extends beyond the cross-sectional area of the osteosynthesis site.

Absorbable Implants↗
PubMed1987

Plate fixation of fractures of the mid and upper face.

The principles and techniques of rigid plate and screw fixation for fractures of the mid and upper face are presented. These techniques offer advantages for the repair of fractures in these area, as well as for the stabilization of planned osteotomies.

Bone Plates↗
PubMed2004

Propofol-ketamine anesthesia for internal fixation of fractures in racehorses.

To assess the clinical usability of propofol-ketamine anesthesia for internal fixation of fractures in racehorses, hemodynamics, blood pH and gases, and vital responses to the continuous intravenous anesthesia in 7 surgical cases were analyzed. The quality of induction with propofol was variable for individual horses. The vital signs reflecting circulation, breath, and anesthetic depth were kept good without any troubles throughout the surgery. Mean time from the end of anesthesia to standing up was prolonged, however recovery from anesthesia was calm and smooth in all cases. Propofol-ketamine anesthesia may be a clinically usable technique for internal fixation of fractures in racehorses, however induction with propofol alone is not recommended.

Anesthesia, Intravenous↗
PubMed1982

Results of treatment using the Hoffmann external fixator for fractures of the tibial diaphysis.

External fixation via the Hoffmann apparatus was employed as primary treatment in 19 patients and as secondary treatment in eight patients. These were severe fractures: almost all were open, comminution was present in 66%, 50% were classified as Grade III, and 50% had other orthopedic injuries. The majority of patients had delayed unions. Overall, three nonunions (13%) resulted, yet the malunion rate was 39%. Forty-five per cent of patients required a bone graft for eventual union. Fifty per cent had drainage from their pin tracts yet only two required debridement and all eventually resolved. Almost one half of the patients had neurologic impairment, primarily because of severe compartment syndromes (all in open fractures, all treated with fasciotomies) and four major vascular injuries. The most common neurologic sequela was footdrop, found in eight patients. The Hoffmann fixator is valuable, but only in severe injuries, as complications do occur which might be avoided with simpler methods of treatment.

Fracture Fixation↗
PubMedDate not supplied

Plate stabilization with bone rivets: an alternative method for internal fixation of fractures.

OBJECTIVES: Bone rivets were developed as an alternative method to fasten plates during internal fixation of fractures when screw anchorage may be inadequate. This study examined whether such rivets allow proper fracture healing without eliciting adverse bone remodelling and whether they can be removed safely. METHODS: A proximal diaphyseal fracture of the tibia was stabilized with a conventional plate (low-contact dynamic compression plate, Synthes) in 10 sheep. The distal fragment was anchored using bicortical screws, and the proximal fragment (1-2.5 mm thick cortex) with 3 rivets following screw stripping. Postoperative care included immediate weight bearing and biweekly radiographs. After 12 weeks, implants were removed from 6 sheep and the tibial strength measured. Tibiae with empty and filled rivet holes (at 12 and 24 weeks) were examined histologically. RESULTS: In all sheep, secondary bone healing was observed without length and angulation deformities. All fracture gaps were bridged and filled with new bone. The average torsional strength after 12 weeks was 75 +/- 11% of the intact tibia (mean +/- SD), and failure never occurred through an empty rivet hole. After 12 weeks, there was intensive cortical remodelling at the rivets correlating with slight to moderate nonprogressive periosteal radiolucency around 55% of the rivets. However, there was also endosteal appositional bone growth at 85% of the rivets. There was no observable macroscopic or microscopic osseous damage after implant removal. After 24 weeks, remodelling activity had decreased and was noted only sporadically. CONCLUSIONS: In this study, the efficacy of bone rivets for the internal fixation of a fracture with plates, where anchorage of screws may be difficult and/or insufficient, was demonstrated.

Animals↗
PubMed1992

External fixation of fractures in children.

We report a series of 20 children with 24 fractures that were treated using the AO tubular external fixator in a paediatric orthopaedic unit. There were no major complications related to fixator use. There were two cases of superficial pin track sepsis and one case of non-union. There were no cases of refracture after fixator removal or of leg length inequality.

Adolescent↗