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ABSTRACT: Pilon and ankle fractures as well as ligamentous injuries about the ankle often require external fixation to allow for soft tissue stabilization prior to definitive surgery. Often used external fixator constructs can cause obscuring of the site of injury on radiographs, pin tract infections, loosening of calcaenal pin fixation, and heel ulcerations. A novel and simple technique of placing the calcaneal pins posteriorly and using a U-shaped bar allows for a construct that reduces or eliminates many of these drawbacks during the time it takes for soft tissue swelling to permit definitive fixation.
Journal of orthopaedic trauma 05/2012; · 1.78 Impact Factor
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ABSTRACT: In the treatment of posterior wall fractures of the acetabulum, a modified distal radius T-plate can be substituted for one third tubular spring plates for fixation of thin, small, or comminuted posterior wall fragments. This technique is described as well as a case series of 33 patients with various posterior wall acetabular fractures.
Journal of orthopaedic trauma 06/2011; 25(9):574-6. · 1.78 Impact Factor
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ABSTRACT: Osteomyelitis is an inflammatory disorder of bone caused by infection leading to necrosis and destruction. It can affect all ages and involve any bone. Osteomyelitis may become chronic and cause persistent morbidity. Despite new imaging techniques, diagnosis can be difficult and often delayed. Because infection can recur years after apparent "cure," "remission" is a more appropriate term.
The study is a nonsystematic review of literature.
Osteomyelitis usually requires some antibiotic treatment, usually administered systemically but sometimes supplemented by antibiotic-containing beads or cement. Acute hematogenous osteomyelitis can be treated with antibiotics alone. Chronic osteomyelitis, often accompanied by necrotic bone, usually requires surgical therapy. Unfortunately, evidence for optimal treatment regimens or therapy durations largely based upon expert opinion, case series, and animal models. Antimicrobial therapy is now complicated by the increasing prevalence of antibiotic-resistant organisms, especially methicillin-resistant Staphylococcus aureus. Without surgical resection of infected bone, antibiotic treatment must be prolonged (≥4 to 6 weeks). Advances in surgical technique have increased the potential for bone (and often limb) salvage and infection remission.
Osteomyelitis is best managed by a multidisciplinary team. It requires accurate diagnosis and optimization of host defenses, appropriate anti-infective therapy, and often bone débridement and reconstructive surgery. The antibiotic regimen must target the likely (or optimally proven) causative pathogen, with few adverse effects and reasonable costs. The authors offer practical guidance to the medical and surgical aspects of treating osteomyelitis.
Plastic and reconstructive surgery 01/2011; 127 Suppl 1:177S-187S. · 2.74 Impact Factor
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ABSTRACT: The purpose of the present study was to evaluate percutaneous sub-muscular internal fixation using a locked screw methodology for treatment of diaphyseal humeral fractures.
Inclusion criteria were multiple extremity fractures, open fractures, neurovascular injuries,additional ipsilateral upper extremity fractures, the inability to obtain a satisfactory closed reduction and isolated fractures with circumstances that prevented effective bracing. Exclusion criteria were immaturity, neoplasm, infection and intra-articular extensions in the same bone. Outcome measures included clinical and radiographic healing, complications, elbow and shoulder symptoms, range of motion (ROM) and Constant–Murley (CM) scores.
Thirty-one patients with 32 fractures were evaluated with a mean follow-up of 16 months (3–38 months). There was radiographic healing in 31 out of the 32 fractures; the non-union was revised to open plating at 6 months and healed uneventfully. Hardware complications included two construct disengagements; one patient was revised and healed, and the other achieved union with bracing.Neurovascular complications included one preoperative nerve palsy that recovered by 3 months, two partial to complete postoperative nerve palsies that recovered by 6 months, and one intact-to-complete nerve palsy due to a bone fragment that required decompression with full recovery by 3 weeks. All patients had functional ROM with a mean CM score of 88. There were no elbow complaints and minor shoulder dysfunction occurred in two patients with ipsilateral shoulder injuries. The rate of neurovascular complications was comparable to open plating techniques and all patients had full recovery.
We feel sub-muscular anterior plating of the humerus using locking screw technology is a viable and useful method for diaphyseal humeral fractures.
Injury 10/2010; 41(10):1047-52. · 1.98 Impact Factor
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ABSTRACT: Demineralized bone matrix (DBM) has been touted as an excellent grafting material; however, there are no Level I studies that use DBM alone in humans to back up this claim. DBM functions best in a healthy tissue bed but should be expected to have little impact in an anoxic or avascular tissue bed, a situation often encountered in traumatic orthopaedic pathologies. Moreover, there is some evidence of differential potencies of DBM preparations based on donor variability and the manufacturing process. DBM efficacy may also be related to its formulation and the various carriers used. The fact that DBM is an allogeneic material opens up the potential for disease transmission. In addition, DBM activity may be altered by the hormonal status or nicotine use of a patient. In summary, although DBM has proven effective for bone induction in lower form animals, the translation to human clinical use for fracture healing, and the burden of proof, remains.
Journal of orthopaedic trauma 03/2010; 24 Suppl 1:S52-5. · 1.78 Impact Factor
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ABSTRACT: Studies comparing the intramedullary hip screw and the compression hip screw for fixation of intertrochanteric hip fractures have shown little difference in final functional outcome. However, the characteristics of the rehabilitation process for these implants have not been analyzed. This study used the Functional Independence Measure (FIM Instrument; Uniform Data System for Medical Rehabilitation, Amherst, New York) to better characterize the subtle differences of the perioperative, clinical, and rehabilitative treatment of intertrochanteric fractures using the intramedullary hip screw or compression hip screw. Ninety-four patients with isolated intertrochanteric fractures were treated with either an intramedullary hip screw or compression hip screw at our institution. To reduce technical bias, only experienced surgeons were used and patient allocation was surgeon based (eg, surgeons consistently used the same preferred implant). We evaluated the following FIM categories: bed mobility, bed transfer, gait independence, and distance ambulated. Length of stay and level of discharge disposition were also evaluated. The intramedullary hip screw group performed better with bed transfers (P<.05), demonstrated better ambulatory ability at discharge (P<.06), and had an increased gait distance at discharge (P<.07). Skin-to-skin operative time and estimated blood loss was significantly less for the intramedullary hip screw group. Length of hospital stay and discharge disposition failed to reach statistical significance. Our study found that when using the FIM scores, some differences were noted in the acute rehabilitation characteristics in patients between the intramedullary hip screw and the compression hip screw. These findings may have medical and social importance as well as significant economic implications. Further study with a larger sample size and more stringent study design are recommended.
Orthopedics 02/2009; 32(2):83. · 2.66 Impact Factor
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ABSTRACT: Vertically unstable sacral fractures often make it difficult to achieve rigid fixation and there is no consensus on the optimal fixation technique for these injuries. The purpose of this study was to evaluate complication rate and short-term outcome of vertically unstable sacral fractures treated by posterior transiliac plate fixation. We performed a retrospective review of prospectively collected data of patients who underwent posterior transiliac plating for sacral fractures at two institutions. All patients were treated with the standard posterior approach using a 4.5-mm reconstruction plate and followed for at least 12 months. Patients' demographics, Majeed functional questionnaire surveys, and radiographic outcomes were collected. There were 19 patients with a mean age of 37.5-years. The mean follow-up was 26.3 months. The most frequent mechanism of injury was a fall from a height. According to the AO/OTA classification, there were 10 C1, 6 C2, and 3 C3, which were classified as 2 Denis I, 20 Denis II, and 2 Denis III, including 5 bilateral sacral fractures. Neurological deficit at the initial examination was recorded in 10 patients. The mean ISS was 20.7 and the mean timing of the internal fixation was 6.4 days. Anterior internal fixation of pelvic ring was added in eight patients. A Morel-Lavallee lesion was identified in 5 patients during the operation. Reductions were graded as nine excellent, seven good, and three fair according to the method of Tornetta. There were two postoperative surgical wound infections, both occurring in patients with a Morel-Lavallee lesion. All the sacral fractures united eventually and no implant failure occurred, though there were two patients with a small loss of reduction (<5mm) over the follow-up period. A total of 18 patients completed the functional assessment with a mean score of 78.5 points. Posterior plate fixation of vertically unstable sacral fractures is effective in maintaining fracture reduction even in the presence of significant posterior comminution. We caution its use in the presence of a known Morel-Lavallee lesion, as this may increase the wound complication and infection risk.
Injury 01/2009; 40(4):405-9. · 1.98 Impact Factor
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ABSTRACT: Tibial plateau fractures with bone loss or significant comminution require grafting and stable fixation. We hypothesized a standardized protocol of internal fixation augmented with a mixture of demineralized bone matrix and corticocancellous allograft chips would result in high healing rates with minimal subsidence. Union was achieved in all 36 patients available for follow-up by a mean of 4.4 months. Mean range of motion was 2 degrees to 120 degrees. One patient developed osteomyelitis. Subsidence ranging from 2.5 to 5.7 mm occurred in 4 patients (11%). This treatment method provides sufficient structural integrity with a high union rate and a low complication rate.
Orthopedics 08/2008; 31(7):649. · 2.66 Impact Factor
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ABSTRACT: To evaluate the outcome of recalcitrant deep pelvic infection that required a hemipelvic amputation.
Retrospective cohort.
Tertiary referral centre; Level I trauma.
There were 20 patients with an infection of the pelvic girdle who developed life-threatening sepsis or had an intolerable existence due to putrefied tissues that prevented end of life care. All patients failed other more conservative treatments such as limited debridement and local wound care. The indication for amputation was life-threatening sepsis (eight patients), intolerable state with putrid tissue (four patients), and both sepsis/putrefaction (eight patients).
A hemipelvic amputation, multidrug antibiotic treatment, and long-term suppression. Ten internal hemipelvectomies, eight external hemipelvectomies, and two hemicorporectomies were performed.
Survival and recurrence of infection.
Six patients died within 6 months (mean time 17 weeks, range 2-24). The 14 surviving patients had a mean follow-up time of 28 weeks (9-48). Of these, 10 patients survived with no evidence of ongoing infection, and four patients had ongoing infection requiring suppressive antibiotics. All of the six deaths were in C-hosts with an average of six comorbidities each; mean age was 62 years old. Aetiologies of the infection were vasculopathy (5), spinal cord injury (4), post fracture (3), post abdominal surgery (2), gunshot wound (2), seeding from bacteraemia (4). Cierny-Mader host class was C (11) and B systemic/local (9) with an average of four (4) comorbidities each. Mean estimated blood loss=3100 cc and operative time=157 min. There were 11 cases of minor wound problems and no flap loss. Pathogens were polymicrobial (16 total pathogens) with mean of three per patient (most common was MRSA). Multi-agent antibiotic and suppression were used in all patients. In cases with putrefied tissues, appropriate nursing care was possible.
Patients requiring hemipelvectomies usually present with sepsis or an intolerable state. Despite expected complications, we found that hemipelvectomy is an effective palliative tool in selected cases. Age and vascular disease seemed to be associated with worse outcomes.
Injury 05/2008; 39(4):411-8. · 1.98 Impact Factor
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ABSTRACT: We evaluated the economic aspects of an orthopaedic trauma section at a regional Level I, semi-academic community hospital. This study analyzes the economics of a dedicated hospital-based orthopaedic trauma program.
Institutional financial reports were analyzed for 2 time periods. In the pre-program (PRE) period (2 years), we estimated the amount of forsaken revenue resulting from cases transferred to other institutions. In the post-program (POST) period (2 years), we analyzed financial reports to evaluate fiscal solvency. Health Care Cost and Utilization Project National Inpatient Sample (HCUP-NIS) data, International Classification of Diseases, 9th Revision (ICD-90 codes, and Eclipsys software were used. Standard accounting definitions for gross revenue, net revenue, direct costs, contribution margin, indirect costs, and net profit/loss were used.
In the PRE-program period 88 patients were transferred; forsaken charges were about $1.25 million/year. Based on historic collection rates, there was about $450,000/year of actual lost revenue. In the POST-program period net revenue was about $7 million with a $1.5 million contribution margin, which increased 9%-11% in year 2. With inclusion of indirect costs, there was a net loss of nearly $5 million/year, but the financial software uses the direct cost expense as a major determinant of indirect costs. Based on the definition of indirect costs (overhead for lights, maintenance, etc) and with such expenses being used prior to the program, we felt that indirect cost was not an accurate variable and contribution margin is the better measure of economic value.
We found that orthopaedic trauma is a financially viable program. Understanding the determination and interpretation of financial data is essential for any such analysis.
Journal of Orthopaedic Trauma 05/2008; 22(4):227-33. · 2.13 Impact Factor
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ABSTRACT: Intra-articular fractures of the tibial plafond are complex injuries which continue to challenge orthopaedic surgeons in achieving anatomic reduction, while allowing early weight bearing and return to activity. Although a wide range of treatment options has been described for fixation of pilon fractures, the unique characteristic of each injury makes it difficult to advocate a general method of choice. We have attempted to compare a subset of AO/OTA type C pilon fractures treated either by a staged procedure of external fixation and conversion to open reduction and internal fixation (ORIF) versus definitive external Ilizarov fixation. Between 1998 and 2004, 42 patients admitted to our level 1 trauma centre underwent either procedure and were followed prospectively. Twenty-eight patients were treated with ORIF and 14 were treated by Ilizarov ring fixator. The outcome measures included time to union, as well as the rates of union, nonunion, malunion and infection. Although the ORIF group had a longer time to heal, the rates of nonunion, malunion and infection were lower compared to the Ilizarov group. However, these differences between the groups were not statistically significant. Thus, based on these results, no clinical recommendation can be made as to which procedure is better and safer for the patient. Future prospective randomised trials are required to determine with more scientific accuracy the optimal treatment strategy for these challenging injuries.
Injury 03/2008; 39(2):196-202. · 1.98 Impact Factor
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ABSTRACT: Locking plates are fracture fixation devices that allow the insertion of fixed-angle/angular-stable screws or pegs and do not require friction between the plate and bone. The clinical care impetus for the development of these plates has been a combination of factors, including the increasing survival of patients with high-energy injuries, aging Western European and North American populations with an increasing rate of fragility fractures, and dissatisfaction of patients and surgeons with the outcomes of treatment of specific periarticular fractures. Nonclinical factors likely include a push by industry for new technology and new markets as well as the general interest of the public in "minimally invasive" surgery.
Instructional course lectures 02/2008; 57:25-36.
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ABSTRACT: The external fixator has been in use for more than a century. Wutzer (1789-1863) used pins and an interconnecting rod-and-clamp system. Parkhill (1897) and Lambotte (1900) used devices that were unilateral with four pins and a bar-clamp system. By 1960, Vidal and Hoffmann had popularized the use of an external fixator to treat open fractures and infected pseudarthroses. The complications associated with the use of external fixation in the late 20th century were predominantly caused by a lack of understanding of the principles of application, the principles of fracture healing with external fixation, and old technology. Its use was reserved for the most severe injuries and for cases complicated by infection. Thus, pin problems, nonunions, and malunions were common. Better technology and understanding have since allowed for greater versatility and better outcomes. Simultaneous with developments in the Western world, Ilizarov developed the principles of external fixation with use of ring and wire fixation. It was not until the late 1980s and early 1990s, when more interaction and exchange between the West and East (Russia) became possible, and with the help of Italians who embraced the philosophy of external fixation, that the use of external fixation was proven to be successful. Several variations of external fixation have been developed, and its use is now widespread. However, in the United States, all but a minority of surgeons still have substantial apprehension about the use of external fixation.
Instructional course lectures 02/2008; 57:37-49.
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ABSTRACT: Hip fracture is an increasingly common and clinically significant injury with substantial economic impact. Associated risk factors are age, gender, race, bone density, activity level, and medical disorders. Prevention efforts include treatment of osteoporosis and programs to reduce the risks of a fall. Nondisplaced or impacted fractures of the femoral neck can be treated with screw fixation. Displaced femoral neck fractures in younger, more active patients may be treated with reduction and fixation. In physiologically older patients, joint arthroplasty is indicated for displaced fractures. In patients with systemic arthritis or preexisting hip disease, total hip arthroplasty may be an appropriate treatment choice. Intertrochanteric fractures are treated with reduction and fixation using either a sliding hip screw and side plate or intramedullary nail with cephalic interlock. Key technical points for successful outcomes include proper patient positioning, using a correct starting point for the nail, achieving acceptable reduction before fixation, and the use of various reduction techniques and aids.
Instructional course lectures 02/2008; 57:17-24.
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ABSTRACT: Heterotopic ossification (HO) is the formation of mature, lamellar bone within soft tissues other than the periosteum. There are three recognized etiologies of HO: traumatic, neurogenic, and genetic. Presently, there are no definitively documented causal factors of HO. The following factors are presumed to place a patient at higher risk: 60 years of age or older, male, previous HO, hypertrophic osteoarthritis, ankylosing spondylitis, diffuse idiopathic skeletal hyperostosis, prior hip surgery, and surgical risk factors.
A 33-year-old male, involved in a motor vehicle crash, sustained an irreducible acetabulum fracture/dislocation, displaced proximal humerus fracture, and an impacted pilon fracture. During the time of injury, he was intoxicated from inhaling the aerosol propellant used in "dust spray" cans (1,1-difluoroethane, C2H4F2). Radiographs identified rapid pathologic bone formation about the proximal humeral metaphysis, proximal femur, elbow, and soft tissue several months following the initial injury.
The patient did not have any genetic disorders that could have attributed to the bone formation but had some risk factors (male, fracture with dislocation). Surgically, the recommended precautions were followed to decrease the chance of HO. Although the patient did not have neurogenic injuries, the difluoroethane in dusting spray can cause damage to the central nervous system. Signals may have been mixed causing the patient's body to produce bone instead of tissue to strengthen the injured area.
What is unusual in this case is the rate at which the pathological bone formation appeared, which was long outside the 4-6 week window in which HO starts to appear. The authors are not certain as to the cause of this rapid formation but suspect that the patient's continued abuse of inhaled aerosol propellants may be the culprit.
Patient Safety in Surgery 02/2008; 2(1):28.
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ABSTRACT: There are numerous autograft alternatives promoted. Although most have laboratory or animal data, few have evaluations of clinical performance. We performed an evaluation of a new calcium sulfate-demineralized bone matrix/Allomatrix in the treatment of nonunions.
A consecutive series of patients requiring bone grafting for atrophic/avascular nonunions were retrospectively studied. Patients were monitored for healing and adverse effects, which included local or systemic reactions, wound problems, infection, and any secondary surgery caused by graft complications.
Over half of the patients (51%) developed postoperative drainage. Of the 41 patients, 13 (32%) had drainage that required surgical intervention and 14 (34%) developed a deep infection. Eleven patients with deep infections also required surgical treatment of drainage. Also, 19 (46%) patients did not heal and required secondary surgical intervention. Using chi it was found that there were correlations between infection and a history of previously treated infection (p < 0.007), as well as wound drainage (p < 0.001). Failure of treatment correlated to the presence of a postoperative infection (p < 0.001). Other analyses were not performed because of the small sample size, which was because of early termination of the study.
The use of Allomatrix/demineralized bone matrix as an alternative for autogenous bone graft in the treatment of nonunions resulted in an unacceptably high rate of complications. Although we recommend further study, we do not recommend the use of Allomatrix for the treatment of nonunions, especially if there is a large volumetric defect or a history of any prior contamination of the tissue bed.
The Journal of trauma 01/2008; 63(6):1324-8. · 2.48 Impact Factor
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ABSTRACT: The American College of Surgeons delineates 108 requirements for level I trauma centers. Some of these requirements include: minimum of 1,200 trauma admissions per year; an average of 35 major trauma patients per surgeon; residency training programs; and 10 peer-reviewed journal submissions every three years. This study examines the variation in services provided among U.S. level I trauma centers.
218 facilities identified as level I trauma centers in 2005 were contacted for participation. 136 centers in 37 states completed the questionnaire. Surveys queried variances in trauma, neurosurgery, plastics, and orthopaedic surgery with regard to type of center, type of accreditation, number and training of participating physicians, number of beds, dedicated OR support (staff/rooms), call pay, and research.
Of the level I centers surveyed, 66% are university-affiliated facilities that employ more surgeons and staffing across trauma and all subspecialties compared to community-based or public centers. However, the community and public centers have more surgeons per capita (44% of the university-affiliated hospitals have six or more trauma surgeons on staff compared to 59% of the community and 70% of the public facilities). University-affiliated centers also provide more in-house subspecialty services (orthopaedic, neurosurgery, and plastics). Thirty-nine percent do not have ACS accreditation and are designated trauma facilities by state or local governments. Only 49% of trauma centers provide on-call pay to trauma surgeons, and these percentages decline for all subspecialties. Dedicated operating rooms and research programs are also lacking among all subspecialties.
Based on our findings, we conclude that there are no homogeneous criteria for being accredited as a level I trauma center. Reliable resources should be offered at any facility that claims a level I trauma designation. We do not know if such diversity of services truly impacts care or how it can be measured; nevertheless, it would be logical to presume that at some point services that fall below a minimum threshold would potentially adversely affect the quality of care. In order to develop appropriate policy to decrease possible disparities, differentiation in services between trauma centers must be further researched and described.
Patient Safety in Surgery 01/2008; 2:18.
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The Journal of Bone and Joint Surgery 11/2007; 89(10):2298-307. · 3.27 Impact Factor
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The Journal of trauma 08/2007; 63(1):211-6. · 2.48 Impact Factor
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The Journal of trauma 08/2007; 63(1):205-10. · 2.48 Impact Factor
