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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 162 (1969), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Geometric and functional analysis 2 (1992), S. 211-220 
    ISSN: 1420-8970
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1437-160X
    Keywords: Chondroitin sulfate ; Chondroprotection ; Oral ; Osteoarthritis ; Bioavailability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Chondroitin sulfate was administered orally to six healthy volunteers, six patients with rheumatoid arthritis and six patients with osteoarthritis. Blood was collected at intervals before and after treatment and the glycosaminoglycan concentration was analyzed in serum using a sensitive assay based on the metachromatic reaction with 1,9-dimethylmethylene blue. The glycosaminoglycan concentration in serum before and after ingestion of chondroitin sulfate was statistically unchanged in all of the subjects studied. We suggest that chondroprotection by orally administered chondroitin sulfate is a biologically and pharmacologically unfounded theory. Any possible benefit to osteoarthritic patients after ingestion of chondroitin sulfate should be sought at the gastrointestinal rather than at the plasmatic or articular cartilage level.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Mathematische Annalen 288 (1990), S. 483-503 
    ISSN: 1432-1807
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a study of the clinical importance of polymorphonuclear granulocytes (PMN) for the monitoring of wound healing we investigated the postsurgical course of nine patients all of whom had undergone trauma surgery and had no wound complications. The “stimulated random PMN locomotion” was evaluated by a new migration filter device which preserves the cells in their genuine priming state, simulating in vivo conditions. The percentage of all activated PMN, expressed by the total migration index (TMI) reflected the highest median immediately after surgery (z max = 30.1 %) and dropped to the lowest value on day 13 (z max = 13.9%). The mean invasion depth (T/2) of the cells along the migration distance into the filter showed only slight variations over time. The neutrophil migration activity (NMA), described by T/2 and TMI, behaved in a similar way to TMI. In studying physiological healing, preliminary results indate that TMI, which expresses PMN activation, is an efficient tool in the postoperative monitoring of patients, and might in the future serve as a basis for an early warning system for wound healing complications.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 113 (1994), S. 244-247 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Many unstable fractures and fracture dislocations of the lower thoracic and the lumbar spine are treated operatively. Internal fixation is mostly done via a posterior approach, anchoring the screws in the pedicles of the vertebrae. In the Traumatology Section of the Department of Surgery, Graz University, three different implantation systems have been employed in recent years. Sixty of all the patients operated on were available for follow-up an average of 36 months after operation. We compared them with respect to type of implant, paying special attention to any loss of reduction.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 120 (2000), S. 160-165 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Incomplete bone contact with threaded acetabular components is usually attributable to the tapered thread design and sclerotic bone, and might be the reason for early loosening. The self-tapping flat threads of the Hofer-Imhof cup allow accurate insertion without incarceration, even in sclerotic bone. To demonstrate the effectiveness of this threaded cup design based on digitized measurements of bone contact area, six Hofer-Imhof cups were implanted into three human cadavers. The bone contact area at the threads was digitally analyzed on cadaver-explanted cups cut into horizontal and coronal sections. In cups fixed with ideal form fit, bone contact was 31.6% (range 8–55%) at the threads and 28.5% (range 0–49%) between the threads on average. In cups with incomplete bone contact secondary to insufficient reaming, the bone contact area averaged 27.4% (range 10–44%) at the threads. In sclerotic bone, the highest bone contact at the threads was 69%. The threads were the first part of the cup to achieve primary bone contact. Factors contributing to poor contact were incomplete reaming, sections which passed through the incisura of the acetabulum, and incomplete contact with the medial aspect of the acetabulum. The aim was to achieve complete bone contact. Because of the higher contact areas observed in sclerotic bone, some sclerotic bone should remain after reaming.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Inventiones mathematicae 114 (1993), S. 515-563 
    ISSN: 1432-1297
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Knee surgery, sports traumatology, arthroscopy 1 (1993), S. 76-79 
    ISSN: 1433-7347
    Keywords: Laser flowmetry ; Arthroscopic measurement ; Microcirculation ; Blood cell flux ; Laser-Flowmetrie ; Mikrozirkulation ; Arthroskopische Messung ; Vorderes Kreuzband
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Description / Table of Contents: Zusammenfassung Die Laser-Doppler-Flowmetrie gestattet den Nachweis der Durchblutung im mikrokapillären Bereich von Strukturen unter in vivo-Bedingungen. Wir verwendeten das Lasergerät der Firma Perimed (Schweden) und eine Spezialsonde um die kapilläre Durchblutung des vorderen Kreuzbandes während eines arthroskopischen Eingriffs nachzuweisen. Dabei erhält man Meßwerte in Millivolt, welche relativer Natur sind, ein absoluter Wert der Kapillardurchblutung in Volumen pro Zeiteinheit kann dadurch nich bestimmt werden. Unter standardisierten Bedingungen erfolgte bei 11 Patienten die Durchblutungsmessung und simultane Aufzeichnung auf einem 2-Kanal-Schreiber. In allen Fällen konnten herzsynchrone Pulsationen der kapillären Durchblutung des vorderen Kreuzbandes an 3 Meßpunkten nachgewiesen werden, welche bei Schließen der Blutsperre zur Gänze verschwanden. Wir fanden eine große individuelle Schwankungsbreite der sogenannten Blood-Cell-Flux-Werte von 30 mV bis 620 mV. Die Höhe der herzsynchronen Pulsationen schwankte zwischen 20 mV und 240 mV. Zwischen den einzelnen Meßpunkten oder zwischen den Fluxwerten und der Höhe der Pulsationen konnte nur ein vager Zusammenhang in der linearen Regressionsanalyse gefunden werden, kein Zusammenhang war zwischen den Fluxwerten und dem Blutdruck bzw. dem roten Blutbild nachzuweisen.
    Notes: Abstract Laser Doppler flowmetry permits observation of circulation in the microcapillary regions of structures under in vivo conditions. We used a laser device manufactured by the Swedish company Perimed and a special probe to observe the capillary circulation in the anterior cruciate ligament during arthroscopic surgery. This produces measured values in millivolts: these values are relative in nature and cannot be used to determine an absolute value for capillary circulation by volume per unit time. Under standardized conditions, circulation measurements and simultaneous recordings with a twochannel recorder were made from 11 patients. In all cases, pulsations of the capillary circulation synchronous with the heart beat could be seen on three measuring points on the anterior cruciate ligament; these disappeared upon complete deprivation of blood supply. We found a large individual range of variation in the so-called blood cell flux values from 30 to 620mV. The magnitude of the heart-synchronous pulsations ranged between 20 and 240 mV. Only vague linear relationships were found (a) between the individual measuring points and (b) between the flux values and the magnitude of pulsation; there was no relationship between the flux values and blood pressure and/or red blood count (erythrocyte count, hemoglobin, hematocrit).
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    International orthopaedics 15 (1991), S. 357-358 
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Au cours de 1160 arthroscopies nous avons découvert 16 kystes méniscaux. Nous présentons deux cas de kystes méniscaux intra-articulaires avec des symptômes discrets de blocage et de «douleur antérieure du genou». Dans ces deux cas le diagnostic n'a été fait que grâce à l'arthroscopie.
    Notes: Summary Two cases of unusual location of meniscal cysts were encountered in a large series of arthroscopies of the knee. These cysts were entirely intraarticular in relation to the substance of the lateral meniscus but without any joint line swelling or overt evidence of their presence. The cysts probably accounted for the symptoms of internal derangement of the knee and are likely to be encountered more often with increased used of knee arthroscopy.
    Type of Medium: Electronic Resource
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