Vascularized pedicled graft from distal radius for scaphoid nonunion with double stabilization: A long term follow up study.

Purpose: The aim of the present study is to present the long-term efficacy of the graft of the distal radius based on the 1,2 intercompartmental supraretinacular artery (1,2 ICSRA) for the treatment of scaphoid nonunion with a proposed treatment of double stabilization with Kirschner wires and external fixator.

Methods: Between 2007 and 2013 we retrospectively reviewed 11 patients who were operated for established scaphoid nonunion with pedicled vascularized distal radius graft based on the 1,2 ICSRA in our department. Stabilization of the graft was achieved with Kirschner wires and the wrist was immobilized with a transarticular external fixator.

Trends in pediatric cervical spine injuries in the United States in a 10-year period.

Background: Cervical spine fractures (CSFs) are potentially devastating injuries in pediatric population. Fortunately, these injuries are uncommon in pediatric patients. The purpose of this study was to determine the epidemiology, the risk factors, mechanisms of injury and to identify possible strategies for prevention.

Predicting Risk of Recurrent Patellar Dislocation.

Purpose Of Review: Lateral patellar dislocation (LPD) is one of the most common injuries of the knee, especially in a young patient. It is multifactorial with several underlying risk factors. The purpose of this review is to present the most recent data concerning risk factors and their predictive value to estimate recurrent LPD risk.

Minimally invasive spine surgery for degenerative spine disease and deformity correction: a literature review.

During the last two decades, minimally invasive techniques and instruments in spine surgery have undergone serious development in all fields. Specific advantages of these minimally invasive methods have put them forward in spine surgery in recent times. Preservation of important anatomical structures of the spine is a major factor for the evolution of these procedures.

Use of recombinant human bone morphogenetic protein-2 in spine surgery.

Bone morphogenetic proteins are osteoinductive factors which have gained popularity in orthopaedic surgery and especially in spine surgery. The use of recombinant human bone morphogenetic protein-2 has been officially approved by the United States Food and Drug Administration only for single level anterior lumbar interbody fusion, nevertheless it is widely used by many surgeons with off-label indications. Despite advantages in bone formation, its use still remains a controversial issue and several complications have been described by authors who oppose their wide use.

Intraoperative measurement of limb lengthening during total hip arthroplasty.

Background: Limb length discrepancy (LLD) after total hip arthroplasty (THA) is a common problem which cannot be completely resolved. Many techniques have been described in order to minimize postoperative LLD, but most of these techniques are difficult to apply. Ideal technique must be simple and accurate.

Modeling of blood flow through sutured micro-vascular anastomoses.

Microanastomosis is a surgical procedure used to reconnect two blood vessels using sutures. The optimal microanastomosis may be predicted by assessing the factors that influence this invasive procedure. Blood flow and hemodynamics following microanastomosis are important factors for the successful longevity of this operation.

Classification of Lateral Patellar Instability in Children and Adolescents.

There is significant heterogeneity in the literature related to the causes and treatment of patellar instability. To address the multifactorial issue of patellar instability, the first task is to classify the instability pattern. Once a classification system is developed, future studies can differentiate between treatment recommendations and outcomes for each instability pattern.

Percutaneous repair of acute Achilles tendon rupture: a functional evaluation study with a minimum 10-year follow-up.

Objective: The purpose of this study was to present the functional outcomes of percutaneous tenorrhaphy of the Achilles tendon with a minimum follow-up of 10 years.

Methods: The medical records of patients who underwent percutaneous surgery for acute unilateral Achilles tendon rupture between 2000 and 2004 were retrospectively reviewed.

Results: A total of 11 male patients met the inclusion criteria and were followed for a mean of 12.

Pin tract infection of operatively treated supracondylar fractures in children: long-term functional outcomes and anatomical study.

Purpose: The purpose of our study was to determine the long-term functional outcomes of pin tract infection after percutaneous pinning of displaced supracondylar humeral fractures in children, and to evaluate the potential for intracapsular pin placement based on pin configuration in cadaveric elbows.

Methods: We conducted a retrospective review of all patients requiring percutaneous pinning in a single institution over a 19-year period. The functional outcome assessment consisted of a telephone interview using the Disabilities of the Arm, Shoulder and Hand (DASH)] Outcome Measure and the Patient-Rated Elbow Evaluation (PREE) questionnaires.

Atraumatic Sacral Fracture in Late Pregnancy: A Case Report.

Study Design Case report. Objective Sacral fractures, traumatic or atraumatic, are a rather rare cause of low back pain. The majority of the cases of pregnancy-related sacral fractures are reported as a postpartum complication, and only few cases of sacral atraumatic fractures have been reported in the last trimester of the pregnancy.

Subtalar dislocation without associated fractures: Case report and review of literature.

Isolated subtalar dislocations are unusual injuries due to the inherent instability of the talus. Subtalar dislocations are frequently associated with fractures of the malleoli, the talus, the calcaneus or the fifth metatarsal. Four types of subtalar dislocation have been described according to the direction of the foot in relation to the talus: medial, lateral posterior and anterior.

Lateral versus medial approach for intra-articular knee injections.

Objective: The aim of this study was to determine whether the medial or the lateral mid-patellar approach is the most reliable for intra-articular knee injections.

Methods: The study included 76 knees of 76 patients divided into 2 groups. The first group consisted of 38 patients with a knee injury and resultant knee effusion.

Digital ray reconstruction through distraction osteogenesis: a retrospective study of 82 rays with long-term follow-up.

Purpose: The aim of the present study was to present the long-term radiographic results with distraction osteogenesis in traumatic or congenital length discrepancies of long bones of the hand.

Methods: The medical records and radiographs of 65 consecutive patients (27 metacarpals and 55 phalanges) with either traumatic or congenital digital length discrepancies were retrospectively reviewed. The mean follow-up was 8.

Factors affecting bone growth.

Bone growth and development are products of the complex interactions of genetic and environmental factors. Longitudinal bone growth depends on the growth plate. The growth plate has 5 different zones-each with a different functional role-and is the final target organ for longitudinal growth.

Popliteal artery damage during total knee arthroplasty.

Injury of popliteal artery during total knee arthroplasty is a relatively rare complication. We report on one case of transverse semi-dissection of the popliteal artery during the tibial cut and one case of popliteal pseudoaneurysm formation caused by Hohmann retractors. Diagnosis was made early in the first case but it was delayed in the second due to misdiagnosis of deep vein thrombosis.

Spinal subdural hematoma following lumbar decompressive surgery: a report of two cases.

Spinal subdural hematoma (SSDH) following spine surgery is an extremely rare condition, with only three cases being reported in the literature. Unintended durotomy has been associated with SSDH due to alterations of pressures in the dural compartments. The objective of the present report was to report two rare cases of acute SSDH developed after lumbar decompressive surgery.

Paresis of the L5 nerve root after reduction of low-grade lumbosacral dysplastic spondylolisthesis: a case report.

We present a unique case of a 16-year-old patient who underwent lumbar decompression surgery (L4-S1), low-grade spondylolisthesis reduction surgery at L5-S1, and posterior instrumented fusion from L4 to the pelvis. Neurologic monitoring did not show any sustained changes throughout the operation. The patient was awoken from endotracheal anesthesia with grade 0 muscle function of the left extensor hallucis longus and tibialis anterior muscles resulting in left-sided foot drop.

An alternative graft fixation technique for scaphoid nonunions treated with vascular bone grafting.

Purpose: To present our experience with vascularized bone grafting based on the 1,2-intercompartmental supraretinacular artery for the management of established scaphoid nonunion and to investigate the efficacy of graft immobilization with a combination of Kirschner wires and transarticular external fixation.

Methods: A retrospective chart and radiographic review was conducted for patients with the diagnosis of scaphoid nonunion of the proximal pole or the waist treated with the 1,2-intercompartmental supraretinacular artery-based vascularized graft and fixed with a combination of Kirschner wires and transarticular external fixation between 2007 and 2011.

Results: We observed 23 consecutive patients for a mean of 34 ± 4 months.

Surgical aspects of spinal growth modulation in scoliosis correction.

Spine growth modulation for scoliosis correction is a technique for slowing growth on the convex side of the curve and enhancing growth on the concave side by using the Heuter-Volkmann principle; this results in gradual deformity correction. The theoretic advantages include speedier recovery because of the minimally invasive approach used, as well as motion preservation. Several devices have been used in humans, including vertebral body stapling, with either a flexible titanium clip or a nitinol staple, and anterior spinal tethering.

Cervical stenosis in a patient with arthrogryposis: case report.

Study Design Case report. Objective Amyoplasia-type arthrogryposis is a rare congenital disease that presents as multiple contractures involving various areas of the body. To the authors' knowledge, there have been no reports of adults with amyoplasia in the current literature.