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Biomedical subjects

Boris Zelle

Publications and source records attributed to Boris Zelle.

6 recordsLinked to original sources
PubMed2005

Management of polytraumatized patients with associated blunt chest trauma: a comparison of two European countries.

BACKGROUND: Blunt chest trauma represents one of the most common injuries in polytrauma patients. Blunt chest injury complicating polytrauma is associated with significant prolongation of intensive care stay. Further, it has a great impact on the timing of fixation of skeletal injuries, possibly contributing to adverse outcome. The purpose of this study is to assess whether there are any differences in the management and outcome of polytrauma patients with blunt chest trauma between trauma units in two different countries. Detailed information about advantages and disadvantages of these two systems might allow optimising the management of blunt chest trauma. PATIENTS AND METHODS: This investigation was performed using the polytrauma database of the German Trauma Society and the British Trauma Audit Research Network. After the definition of the inclusion abbreviated injury scale (AIS(chest) > or = 3) and injury severity score (ISS > 16) and exclusion (AIS(head/neck) > or = 2, referral from outside institutions) criteria, patients were recruited solely from these databases. RESULTS: 188 patients from the German database and 181 patients from the British database were enrolled in this study. Demographic data and injury pattern of the two patient populations did not significantly differ. The volume of initial red blood cell transfusion and length of the intensive care stay were significantly higher in Germany (p < 0.05). Mortality in the UK was 9% higher than in Germany (p = 0.057). Time to death in non-survivors was also significantly longer in Germany (p < 0.05). CONCLUSIONS: The reasons for the differences regarding survival times and survival rates seem to be multiple. German patients received more red blood cells, had a longer hospital stay in intensive care and a better survival rate. The use of kinetic therapy in Germany, not standard in the UK, may contribute to a more favourable outcome.

Abbreviated Injury Scale↗
PubMed2004

Combination of femoral fracture treatment and corrective osteotomy in a child with osteogenesis imperfecta.

The main feature of osteogenesis imperfecta is an excessive fragility and deformability of the bones owing to reduced mass and bone quality. This leads to angular deformity and frequent fractures. These fractures usually heal rapidly, and conservative treatment is the norm. In displaced and unstable fractures, elastic intramedullary nailing is a treatment option. We report a case of a 3-year-old child with osteogenesis imperfecta type I who suffered an undisplaced femoral shaft fracture in the presence of a preexisting 32 degrees femoral antecurvation. This deformity greatly increases the risk of a refracture due to the pathological induction of stress risers. Therefore, fracture treatment by unreamed elastic intramedullary nailing was combined with simultaneous correction osteotomy, resulting in anatomic alignment and uncomplicated fracture healing. The single-stage surgical stabilization performed allowed rapid mobilization along with a decreased likelihood of refracture.

Bone Nails↗
PubMed2002

Changes in the management of femoral shaft fractures in polytrauma patients: from early total care to damage control orthopedic surgery.

BACKGROUND: The optimal treatment of major fractures in patients with blunt multiple injuries continues to be discussed. The aim of this study is to investigate the clinical course of polytrauma patients treated at a Level I trauma center within the last two decades regarding the effect of changes in the management of their femoral shaft fracture. METHODS: In a retrospective cohort study performed at a Level I trauma center, the patient's injuries and clinical outcomes were studied. Adult blunt polytrauma patients were included if a femoral shaft fracture eligible for intramedullary stabilization was stabilized (including external fixation) primarily < 8 hours after primary admission. Patients were separated according to the management strategies for the femur fracture (I degrees intramedullary nailing [I degrees IMN]; I degrees external fixation [I degrees EF]; I degrees plate osteosynthesis [I degrees plate]) followed during a certain time period: (1) early total care (ETC) (January 1, 1981-December 31, 1989) and early (< 24 hours) definitive stabilization; (2) intermediate (INT) (January 1, 1990-December 31, 1992) change in the protocol; or (3) damage control orthopedic surgery (DCO) (January 1, 1993-December 31, 2000), early (< 24 hours) temporary stabilization, and secondary conversion to intramedullary nailing in patients at risk of organ failure. RESULTS: The patient groups were comparable regarding age, gender distribution, and the mechanism of injury. Primary external fixation was performed significantly more frequent in the INT (23.9%) and DCO (35.6%) groups compared with the ETC group (16.6%) ( = 0.02 ETC vs. DCO). Plating of the femur was almost abolished in the 1990s (DCO, 6.8%; ETC, 23.4%). In the subgroups categorized to I degrees EF (ETC, 41.1 points; INT, 37.1 points; DCO, 39.1 points), the general injury severity was higher in comparison with the I degrees IMN group (ETC, 38.3%; INT, 36.1%; DCO, 35.8%). Thoracic or abdominal injuries accounted for significantly higher numbers of patients submitted to I degrees EF in the INT (13.6%, = 0.03) and DCO (17.3%, = 0.01) groups, compared with the ETC (8.1%) group. A higher incidence of reamed nailing was present in the ETC group compared with the other groups (ETC, 96.1%; INT, 73.7%; DCO, 13.5%). No significant differences in the incidence of local complications were found. The incidence of multiple organ failure decreased significantly from the ETC to the DCO period regardless of the type of treatment of the femoral fracture. Moreover, there was a significantly higher incidence of acute respiratory distress syndrome (ARDS) when I degrees IMN (15.1%) and I degrees EF (9.1%) in the DCO subgroup were compared. CONCLUSION: A significant reduction in the incidence of general systemic complications regardless of the type of femur fixation used was found when comparing the time periods of 1981 to 1989 (ETC), 1990 to 1992 (INT), and 1993 to 2000 (DCO). The change in treatment protocols to external fixation and from reamed to unreamed nailing was not associated with an increased rate of local complications (pin-track infections, delayed unions, nonunions). Among other causes for the improved general outcome during the most recent time period (DCO), an increase in the frequency of air rescue, a change from reamed to unreamed nailing, and an increased awareness toward thoracic and abdominal injuries may have played a role. Even during the DCO era, IMN was associated with a higher rate of ARDS than I degrees EF. In view of a lower complication rate despite higher injury severity compared with the ETC period, the introduction of DCO appears to be an adequate alternative for patients at high risk of developing posttraumatic systemic complications such as ARDS and multiple organ failure.

Adult↗
PubMed2002

Circumferential fusion of the lumbar and lumbosacral spine using a carbon fiber ALIF cage implant versus autogenous bone graft: a comparative study.

This study reports on 92 patients treated with circumferential lumbar fusions for degenerative conditions. The elected procedure was a circumferential fusion using transpedicular stabilization. Two groups were examined depending on whether they were stabilized anteriorly with autogenous bicortical iliac crest graft (n = 38) or with an ALIF carbon fiber cage implant (n = 54). The patients were evaluated for clinical and radiographic outcome. The minimum follow-up interval was at least 12 months. Fusion rates, postoperative loss of correction, and clinical results, including pain at the bone donor site, neurologic function, satisfaction, depression, and consumption of analgesics, were not significantly different between patients with autogenous bone graft and patients with carbon cage. This study failed to prove major advantages of the carbon cages in the clinical and radiologic outcome.

Adolescent↗
PubMed2002

Upper sympathetic trunk lesion after video-assisted fracture stabilization of the thoracic spine: a case report.

This case report draws attention to the upper sympathetic trunk lesion as a complication of video-assisted thoracic spine surgery. A 39-year-old man developed an upper sympathetic trunk lesion after right-sided thoracoscopic fracture stabilization of T5 and T6. Dizziness and reduced perspiration persisted at the most recent follow-up 8 months after surgery. This rare complication can be overlooked and remain undiagnosed. Diagnosis is based on clinical symptoms and neurologic examination. There are no treatment options. Symptoms can be bothersome for the patient and may persist. In the upper thoracic spine, the course of the sympathetic trunk lies in close proximity of the vertebral bodies; thus, care must be taken to avoid it when resecting the posterior parts of the vertebral body.

Adult↗