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PubMed2002

The treatment of nonunions following intramedullary nailing of femoral shaft fractures.

OBJECTIVE: To assess the effectiveness of different surgical options in the treatment of nonunion of a femoral shaft fracture after initial intramedullary nailing. DESIGN: Retrospective. SETTING: University hospital. PATIENTS AND METHODS: During a seven-year period a total of 278 skeletally mature patients with 280 fresh femoral shaft fractures were treated by intramedullary nailing. Of these patients, a subgroup of consecutive patients with nonunion of the fracture were subjected to a detailed analysis and were followed until the fracture was united (mean thirty-three months). Injury mechanism, fracture pattern using various established classifications, any possible concomitant injuries, complications, and subsequent surgical interventions were recorded. RESULTS: Of the total of 280 fractures, nonunion was observed in thirty-four patients with thirty-five fractures (12.5 percent). To achieve solid union, one reoperation was sufficient in twenty-five fractures, six fractures had to be operated on twice, and four needed three operations. There were five patients with autogenous bone grafting alone, and all five required a further reoperation for the nonunion. After a dynamization procedure, four of seventeen patients required a further reoperation. After eight exchange nailing procedures, further surgery for nonunion was necessary in only one case. Solid union was achieved within six months after the final successful reoperation. A marked shortening of the femur developed as a local complication in six cases, four of which had undergone dynamization as final treatment before solid union. CONCLUSIONS: Exchange nailing without extracortical bone grafting seems to be the most effective method to treat a disturbed union of a femoral shaft fracture after intramedullary nailing. Autogenous extracortical bone grafting alone proved to be insufficient. Dynamization predisposed to shortening of the bone.

Adolescent↗
PubMed2006

Case reports: A subtrochanteric femur fracture with long intramedullary femorotibial nail for knee arthrodesis.

We present a case report of a patient who had a transverse subtrochanteric femur fracture develop 2 months after uneventful placement of a long femorotibial intramedullary nail for knee arthrodesis. To date, diaphyseal fracture of a femur already stabilized with an intramedullary nail has not been reported. The possible etiology for this unusual complication is discussed.

Aged↗
PubMed1990

The Grosse-Kempf nail for distal femoral fractures. 2-year follow-up of 25 cases.

Totally, 25 patients with an infraisthmic fracture of the femur, treated with a Grosse-Kempf slotted nail, were followed up for a median of 21 (8-44) months. The median age of the 9 males and 16 females was 45 (18-90) years. No deep infections occurred. An excellent result was obtained in 14 patients, good in 5, fair in 5, and poor in 1 patient in whom intraoperative splintering led to a 9-cm shortening. We conclude that intramedullary locked nailing of fractures of the infraisthmic, extraarticular part of the femur compares favorably with alternative methods.

Adult↗
PubMed1997

[Unreamed intramedullary nailing as minimal invasive palliative intervention in osteolysis and pathologic fractures of long tubular bones].

Pathological fractures and osteolyses with impending fractures of long bones impose a severe problem in patients with advanced cancer. For palliative treatment between June 1993 and October 1995 intramedullary nailing was performed in 19 patients with 13 femoral, 7 humeral and 1 tibial lesions; AO unreamed nails were used for this purpose (unreamed femur nail UFN with or with spiral blade for femoral lesions and unreamed tibia nail UTN for humeri and tibia). Stabilization was achieved without severe complications; full weight bearing of both femora and humeri (while using crutches) was allowed. Simultaneous and bilateral nailing was done. Follow-up until death due to advanced cancer demonstrated no implant failure and improved quality of life as well. Unreamed intramedullary nailing seems to be a minimally invasive procedure with a low complication rate for palliative treatment of (impending) pathological fractures in advanced cancer.

Adult↗
PubMed1996

[Elastic intramedullary nailing--a concept for treatment of unstable forearm fractures in childhood].

The standard treatment for forearm fractures in children is usually conservative. Unstable fractures of the proximal parts of the forearm often show poor results after nonoperative management, so that these fractures require surgical intervention. We report about 20 children ranging in age from 6 to 14 years who were treated by elastic intramedullary nailing. Ten patients were treated by intramedullary pinning immediately after their accident; 10 required intramedullary nailing after failure of the conservative treatment and redislocations of their fractures. At the time of follow-up 6 months later, functional results were "excellent" in 16 children, "good" in 3 children and "fair" in one child. There were no serious complications apart from the occurrence of one delayed union. According to these results intramedullary nailing can be recommended for the treatment of unstable fractures of the proximal and middle parts of the forearm in children.

Adolescent↗
PubMed1998

[Elastic intramedullary nailing--a concept for treatment of unstable forearm fracture in childhood].

The standard treatment in forearm fractures of children is usually conservative. Unstable fractures of the proximal parts of the forearm often show poor results after nonoperative management, requiring surgical intervention. We report on 30 children from 4 to 14 years of age who were treated by elastic intramedullary nailing. Sixteen patients were treated by intramedullary pinning immediately after the accident; 14 required intramedullary nailing after failure of the conservative treatment and fracture redislocations. At the time of follow-up 6 months later, functional results were "excellent" in 24 children, "good" in 5 and "fair" in one child. There were no serious complications apart from the occurrence of one delayed union. According to these results intramedullary nailing can be recommended for the treatment of unstable fractures of the proximal and middle parts of the forearm in children.

Adolescent↗
PubMed2000

Fatigue failure of an AO spiral blade.

We report an unusual case of a femoral neck stress fracture leading to the fatigue failure of an AO spiral blade. An unreamed femoral nail with a spiral blade was inserted to treat an unstable subtrochanteric femoral fracture. which lead to fracture union at 5 months. Eight months post-operatively the patient started to complain of left hip pain. Serial radiographs revealed progressive osteoporosis of the proximal femur possibly due to the stress sharing effect of a stiff intramedullary device, which continued to bear a significant amount of the transmitted load. The cause of pain was a stress fracture of the femoral neck and the AO spiral blade, which only became radiologically visible 4 months after the start of the symptoms (1 year after the initial operation). The implant was removed and replaced by a cemented hemiarthroplasty. This case reaffirms the difficulty in diagnosing a stress fracture through a metallic implant. The delay in diagnosis may be shortened if stress fracture were included as an expected complication following an intramedullary nailing.

Aged↗
PubMed2006

Comparison of compression plate and flexible intramedullary nail fixation in pediatric femoral shaft fractures.

The purpose of this study was to compare the results of compression plating and flexible intramedullary nailing for pediatric femoral shaft fractures. Thirty-eight consecutive patients with 40 femoral shaft fractures were evaluated. Twenty-two femoral segments were treated with a compression plate and 18 femoral segments were treated with flexible intramedullary nailing. The time to healing, operation time and complications were evaluated. The average operation time was statistically significantly shorter in the nailing group (P=0.039). Four implant failures occurred in the compression plate group whereas one non-union was observed in the flexible nailing group. Flexible intramedullary nailing seems to provide a high union rate with a shorter operation time when compared with plate fixation.

Bone Nails↗
PubMed2007

[The AO/ASIF Flexnail : A flexible intramedullary nail for the treatment of humeral shaft fractures].

BACKGROUND: The use of conventional implants for intramedullary nailing of humeral shaft fractures is associated with specific difficulties. During antegrade implantation structures of the rotator cuff can be affected leading to a reduced functional result of the shoulder. If the nail is implanted in a retrograde manner problems arise due to a relatively large hole close to or within the olecranon fossa, which is necessary for insertion of the nail. Supracondylar fractures as well as persistent elbow pain and loss of function are reported in the literature. To overcome these disadvantages a flexible nail has been developed that can be stiffened and locked after implantation. METHOD: Between October 2000 and February 2002, 34 patients were treated with the flexible nail at our institution; 29 were available for follow-up. Fracture healing was documented on radiographs and clinical outcome was evaluated with use of the Constant as well as the Kwasny score. RESULTS: Median duration until fracture consolidation was 10 weeks. In two patients fracture union was not achieved within the follow-up period. The median outcome measured with the Constant score was 93 points and 2.5 with the Kwasny score. Both values correspond to a very good functional outcome. CONCLUSION: We conclude that the flexible humeral nail is an excellent treatment option for humeral shaft fractures. Damage to the rotator cuff and the distal humerus can be avoided due to its unique flexible construction, improving the functional outcome of intramedullary nailing for the treatment of humeral shaft fractures.

Adolescent↗
PubMed1999

No effect of low-intensity ultrasound on healing time of intramedullary fixed tibial fractures.

OBJECTIVE: To determine whether stimulation with low-intensity ultrasound will reduce the radiologic healing time of fresh tibial shaft fractures fixed with a reamed and statically locked intramedullary rod. DESIGN: Prospective, randomized, double blinded, and placebo controlled. PATIENTS AND METHODS: Thirty-two adult patients were included, fifteen in the active ultrasound group and seventeen in the placebo group. They all used an ultrasound device twenty minutes daily for seventy-five days without knowing whether it was active or inactive. Standardized radiographs were taken every third week until healing and at six and twelve months. All radiographs were assessed blinded and independently by a radiologist and an orthopaedic surgeon. The codes were not broken until all fractures had healed and all radiographs had been evaluated. RESULTS: The time until the first visible callus averaged 40+/-3 days for the active group and 37+/-3 days for the placebo (p=0.44). The healing time, defined as radiologic bridging of three cortices, was on average 155+/-22 days (median 113 days) for the active treatment group and 125+/-11 days (median 112 days) for the placebo group (p=0.76) as assessed by the radiologist and 128+/-13 days for the active group and 114+/-9 days for the placebo group (p=0.40) as evaluated by the orthopaedic surgeon. CONCLUSION: We conclude that low-intensity ultrasound treatment did not shorten healing time in fresh tibial fractures treated with a reamed and statically locked intramedullary nail. Our results are not in accordance with previous findings reporting reduced healing time in nonoperatively treated tibial shaft fractures when subjected to ultrasound.

Adolescent↗
PubMed2003

Fracture of an elastic humeral nail. A case report.

The use of elastic intramedullary nails for the treatment of diaphyseal fractures of the humerus has been associated with few complications. We report a fracture of an elastic Marchetti-Vicenzi nail used to treat a pathological fracture of the humerus. The failure of the intramedullary nail followed low-energy trauma and was presumably the end result of metal fatigue, as the original fracture had only healed after 13 months.

Aged↗
PubMed1998

[Intramedullary boring in infected intramedullary nail osteosyntheses of the tibia and femur].

UNLABELLED: The infection after intramedullary nailing is a severe complication, which is hard to eradicate. The results of reaming the intramedullary canal after removal of the infected nail were evaluated in our investigation. From 1984 to 1991 fifty-five patients with infected intramedullary nails of the lower extremity were included in this trial. Twenty-one patients had an infection of the femur. Thirty-four patients had a primary infection of the nail, twenty-one patients had multiple operations with periods of infection prior to nailing. All patients had signs of a chronic osteitis and sinus formation. At the time of the follow-up the success of the procedure was evaluated regarding recurrence of infection, range of motion of the extremity and patient comfort. The mean time of observation was 10.1 +/- 4.9 years. All patients with initially infected intramedullary nails had no recurrence of the infection, compared to 62% of those with multiple operations prior to nailing. At the time of the follow up all fractures had healed. 85% of the patients performed full weight bearing. 32 patients (91%) had good or excellent ROM of the adjacent joints. CONCLUSION: Intramedullary reaming after infected nails is a successful procedure and results in infect healing in the majority of patients.

Adult↗
PubMed2001

Impending or completed pathologic femur fractures treated with intramedullary hip screws.

This study examined the use of the long intramedullary hip screw in 13 consecutive patients with metastatic disease of the femur with impending or completed fractures. There were 6 impending and 7 completed fractures. Eleven of 13 patients had unreamed rods placed with an average operative time of 100 minutes and blood loss of 280 cc. Eleven of 12 patients who were able to ambulate preoperatively regained that status postoperatively. Postoperative complications included death (1), myocardial infarction (1), and urinary tract infection (2). These results indicate the long intramedullary hip screw is a safe and effective surgical device for treating metastatic disease of the femur.

Aged↗
PubMed2005

Gastric cancer acrometastases to all digits of one hand following closed intramedullary nailing.

Metastatic malignant tumor of the hand is unusual and the most common site of the primary cancer is lung. Acrometastases to the phalanges of the hand usually involve a single bone, while those proximal to the phalanges often involve multiple bones. Metastasis to the hand from gastrointestinal cancer, particularly from gastric cancer, is extremely rare. To our knowledge, only five cases have been reported in the literature to date and there has been no reported case following closed intramedullary nailing for metastatic diaphyseal fracture of an ipsilateral long bone. We present a very unusual case of gastric cancer, which metastasized to all fingertips of the ipsilateral hand after closed interlocking intramedullary nailing of a pathologic fracture of the humerus.

Adenocarcinoma↗
PubMed1996

Bone transport using intramedullary fixation and a single flexible traction cable.

The transfixing wires used in the limb-lengthening and bone-transport procedures described by Ilizarov are the primary source of complications, including infection, restricted joint motion, and pain. In an attempt to eliminate the need for external fixation, a traction cable device was devised to perform a 3-cm bone transport in the canine femur using an interlocking intramedullary rod for fixation. Twelve dogs were divided into 2 groups. Transport began 7 days after osteotomy and continued at either 1 mm per day (n = 6) or 2 mm per day (n = 6). The in vivo peak force, resting force, and stiffness of the transport segment increased throughout distraction to a mean of 150 Newtons, 58 N, and 58 N per millimeter, respectively, at the time of docking. The regenerate and docking sites united in 10 of 12 dogs. Failure of the regenerate associated with deep infection around the rod occurred in 2 animals (17%). Modifications of this technique to reduce the risk of infection are discussed. This study confirms that intramedullary fixation is compatible with distraction osteogenesis and shows that a single traction cable can provide the force necessary for bone transport without transfixing wires in this setting.

Animals↗