Axel Ekkernkamp

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BACKGROUND Proponents of navigated knee arthroplasty stress its potential to increase the precision of component placement. We conducted a systematic review and meta-analysis to substantiate the validity and relevance of this contention. METHODS We searched major medical and publishers' databases for randomized trials and any other studies comparing(More)
The reputation of total ankle arthroplasty for treating end-stage ankle arthritis of different origin is dubious. Newer generation meniscal-bearing prostheses may have overcome the known problems with earlier implants. There is, however, no systematic approach to the available scientific evidence allowing for a critical appraisal of their benefits and(More)
In Deutschland werden pro Jahr etwa 61.000 Amputationen durchgeführt. Die Mehrzahl betrifft die untere Extremität. Gründe für die Amputation sind neben Gefäßerkrankungen, Diabetes mellitus, schweren Infektionen und Tumoren v. a. komplexe Verletzungen des Bewegungsapparats. Gerade bei Letzteren ist im Vorfeld ein Abwägen zwischen Extremitätenerhalt und(More)
We set out to evaluate the clinical efficacy of individual antibiotic agents for bone and joint infections in adults. Published and unpublished controlled trials reported between 1966 and 2000 were reviewed to determine if they involved random or quasi-random allocation to systemically administered antimicrobials or local antibiotic therapy for(More)
The results of periacetabular osteotomy, with and without intertrochanteric osteotomy, performed between January 1984 and December 1990, were reviewed for forty-two patients who had osteoarthrosis in a congenitally dysplastic hip. There were eight male and thirty-four female patients. The average age of the patients at the time of the operation was(More)
BACKGROUND How precise and reliable is ultrasonography as a primary tool for injury assessment in blunt abdominal trauma? METHODS A systematic review and meta-analysis were conducted of prospective clinical trials of ultrasonography for blunt abdominal trauma. Publications were retrieved by structured searching among databases, review articles and major(More)
Missed tears of the scapholunate ligament (SLL) and scapholunate dissociation (SLD) after wrist injuries pose a high risk of post-traumatic osteoarthritis of the carpus. Plain X-rays and dynamic radiographic studies are frequently used for initial diagnostic work-up. Given the limited evidence of their accuracy, we retrospectively compared the radiographic(More)
During the last decades the influence of physical factors on fracture healing has been widely described. With the use of shock waves for the treatment of urolithiasis, a new mechanical medium has been introduced into medicine. For the first time the influence of shock waves on fracture healing was studied in rats. With fractioned shock-wave treatment (5(More)
OBJECTIVE To develop a clinically and methodologically sound approach to diagnostic meta-analysis. METHODS Two-step model was used involving four fictitious sets of 10 studies each with varying sensitivity and specificity; this was followed by the application of the method to data from a published systematic review of emergency ultrasound.(More)
OBJECTIVE To determine whether total hip arthroplasty is associated with lower reoperation rates, mortality, and complications, and better function and quality of life than hemiarthroplasty for displaced fractures of the femoral neck in older patients. DESIGN Systematic review and meta-analysis of randomised trials, quasirandomised trials, and cohort(More)