Publications by authors named "Schandelmaier P"

Background: Tension-type headache (TTH) is the most prevalent primary headache disorder. Neck pain is commonly associated with primary headaches and the trigemino-cervical complex (TCC) refers to the convergence of trigeminal and cervical afferents onto neurons of the brainstem, thus conceptualizes the emergence of headache in relation to neck pain. However, no objective biomarkers exist for the myofascial involvement in primary headaches.

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Background: Repetitive neuromuscular magnetic stimulation (rNMS) of the trapezius muscles showed beneficial effects in preventing episodic migraine. However, clinical characteristics that predict a favorable response to rNMS are unknown. The objective of this analysis is to identify such predictors.

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The objective of this study was to assess the burden of disease and prevalence of lifestyle factors for adolescents and young adults with frequent episodic migraine. We conducted a secondary comparative analysis of data collected during two previous studies. Inclusion criteria for this analysis were age 15-35 years, 15 to 44 migraine episodes within 12 weeks, and completeness of Migraine Disability Assessment and lifestyle questionnaire data.

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Migraine is a common and invalidating disorder worldwide. Patients of all ages experience the disorder as very impairing regarding their personal and occupational lives. The current approach in migraine therapy is multimodal including lifestyle management, psychoeducation and, if available, psychotherapeutic interventions, and pharmacotherapy.

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Background: Neck pain is frequent in patients with migraine. Likewise, evidence for inflammatory processes in the trapezius muscles is accumulating. However, non-invasive and objectively assessable correlates are missing .

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Although migraine is a relevant health issue in children and adolescents, clinical care and research are still underrepresented and underfunded in this field. Quality of life can be significantly reduced when living with frequent episodes of pain. Due to the high level of vulnerability of the developing brain during adolescence, the risk of chronification and persistence into adulthood is high.

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Objectives: There is substantial variation in the classification and management of scapula fractures. The first purpose of this study was to analyze the interobserver reliability of the OTA/AO classification and the New International Classification for Scapula Fractures. The second purpose was to assess the proportion of agreement among orthopaedic surgeons on operative or nonoperative treatment.

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Background: Current anterior fixators can close a disrupted anterior pelvic ring. However, these anterior constructs cannot create posterior compressive forces across the sacroiliac joint. We explored whether a modified fixator could create such forces.

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The quality of care of seriously injured persons in Germany is nationally and internationally recognized to be at a high level. However, there are local discrepancies. In 2006 the German Association of Trauma Surgery published the White Paper for the Management of the Seriously Injured.

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We prospectively followed a case series of 68 patients with 69 AO/ASIF 41-C-type fractures treated with the Less Invasive Stabilization System for the proximal lateral tibia. We assessed malreduction, secondary loss of reduction, and infection rates in patients with a locked screw plate for unilateral fixation of bicondylar fractures. Sixty-two (91%) patients returned for final followup (range, 11-13 months).

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Objective: To compare the vertical subsidence in a bicondylar tibial plateau fracture model stabilized either by a unilateral locked screw plate (LSP) or by double plating.

Design: Biomechanical cadaver study.

Intervention: A 41-C1 fracture model was created in eight pairs of fresh-frozen human cadaver tibiae.

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A 26-year-old female patient with a femoral shaft fracture underwent retrograde femoral nailing. Nail removal was performed 2 years later, after fracture healing. An intraoperative fracture of the medial condyle of the femur occurred.

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We describe the results after open reduction and internal fixation of 22 consecutive displaced fractures of the glenoid with a mean follow-up of ten years. A posterior approach was used in 16 patients and an anterior in six, the approach being chosen according to the Ideberg classification of the fractures. The fixation failed in two patients, one of whom required a further operation.

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In recent years, the technique of surgical stabilization in the distal femur has changed. This change decreased the number of non unions and the need for bone grafting. Minimally invasive surgical techniques with a submuscular plate placement have replaced the emphasis on anatomical reduction in the shaft area.

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Objective: A multicenter trial analyzed complications and odds for complications in open and closed tibial fractures stabilized by small diameter nails.

Design: Retrospective.

Setting: Four Level I trauma centers.

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The influence of an unreamed femur nail on axial and torque stiffness of nine different external fixator devices was investigated in a biomechanical study. With a newly developed femur bone model simulating segmental transport, 582 biomechanical tests were performed. The additional use of an unreamed femur nail (UFN) increased axial stiffness of the external fixator devices up to 8108% (average 1673.

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Supracondylar femoral fractures still present a challenge to the treating surgeon. The incidence of delayed and non-unions is reduced due to the minimally invasive plating techniques, but establishing a correct axis and good function is still a problem. During the last few years new implants have been developed to allow less difficult operative techniques in minimally invasive surgery.

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Today there is a variety of different interlocking intramedullary nail designs available for the femur. We compared different nail types in the bone implant complex (BIC) of four unreamed solid nails and a slotted reamed nail with simulated comminuted mid shaft fractures to see if there are major differences in stiffness for axial load, bending and torsion. The fractures were simulated by a 2 cm defect osteotomy in paired human cadaver femora.

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Objectives/hypothesis: To evaluate the mechanical effects of medial and lateral blocking screws in supplementing intramedullary nail fixation of high proximal and low distal tibial fractures treated with small-diameter intramedullary nails.

Study Design: Intact fresh human cadaveric tibiae were sectioned to provide ten distal segments measuring seventy millimeters and ten proximal segments measuring ninety millimeters. In the distal segments, stainless steel solid eight-millimeter tibial nails were advanced to eight millimeters from the ankle joint.

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Intramedullary nailing of metaphyseal fractures may be associated with deformity as a result of instability after fixation. Our aim was to evaluate the clinical use of Poller screws (blocking screws) as a supplement to stability after fixation with statically locked intramedullary nails of small diameter. We studied, prospectively, 21 tibial fractures, 10 in the proximal third and 11 in the distal third in 20 patients after the insertion of Poller screws over a mean period of 18.

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