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  • 1
    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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  • 2
    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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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 377 (1992), S. 295-299 
    ISSN: 1435-2451
    Keywords: Halswirbelsäule ; Ventrale Spondylodese ; Komplikationen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary Our follow-up study of 175 cases of interbody fusion of the lower cervical spine was conducted to show the complications that occurred in our department with what is considered to be a tried and tested method. From 1976 to 1990, 175 patients were treated with this method. These 175 cases included 150 fractures and/or dislocations. The indications for surgery in the remaining 25 cases were tumors and metastases, inflammatory or degenerative diseases and chronic instabilities following laminectomy. The following complications were seen: 4 cases of infection, 3 postoperative redislocations, 2 cases of extensive loosening of metal, 1 unilateral lesion of the vertebral artery, 1 nonunion with plate fracture, 1 post-operative radicular disorder in an otherwise neurologically normal patient, and 1 secondary extension of the interbody fusion required after failure to recognize a two-segment lesion.
    Notes: Zusammenfassung Die retrospektive Analyse unserer 175 ventralen Spondylodesen der unteren Halswirbelsäule hat den Zweck, Gefahren aufzuzeigen, die bei dieser sehr bewährten Operationsmethode an unserer Klinik auftraten. Im Zeitraum von 1976–1990 wurden 175 Patienten nach dieser Technik operiert, darunter fanden wir 150 Frakturen, Luxationsfrakturen und diskoligamentäre Instabilitäten. In 25 Fällen bestand die Indikation aus Tumoren und Metastasen, entzündlichen oder degenerativen Erkrankungen und chronischen Instabilitäten bei Zustand nach Laminektomien. Der Häufigkeit nach traten folgende intra- und postoperative Komplikationen auf: 4 Infekte, 3 postoperative Redislokationen, 2 ausgedehnte Metallockerungen, 1 einseitige Läsion der A. vertebralis, 1 Pseudarthrose mit Plattenbruch, 1 postoperative radikuläre Störung und 1 sekundär notwendige Erweiterung der ventralen Spondylodese nach primär nicht erkannter Zweisegmentläsion.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1435-2451
    Keywords: Halswirbels ulenverletzung ; Omentummajus-Lappen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A 21-year-old man sustained a burst fracture of the 7th cervical vertebral body complicated by a complete loss of sensory and motor functions. He was treated with a pedicled greater omentum flap interposed between the cervical and thoracic spine in a Latin American country. The purpose of this paper is to point out the atypical way of the initial mismanagement. By applying basic principles of fracture management, open reduction and internal fixation was performed resulting in spinal stability which should enhance any chance of recovery of the patient.
    Notes: Zusammenfassung Es wird ein 21jähriger Mann vorgestelit, der sich in einem lateinamerikanischen Land eine Berstungsfraktur mit kompletter Querschnittläsion zuzog and dort mit einer Korporektomie von C 7 und Interposition eines gestielten Omentum-majus-Lappens versorgt wurde. Ziel dieser Arbeit ist es, anhand dieses Beispiels unser Behandlungskonzept vorzustellen und die Folgeerscheinungen beim Verlassen des gültigen Behandlungskonzepts aufzuzeigen.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 113 (1994), S. 337-344 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Usually follow-up of the healing process of bone fractures is by subjective assessment of standard X-rays, based on the clinician's personal experience. It is therefore impossible to completely avoid misjudgements in the evaluation of the mechanical stability. Other authors have reported that the mechanical response of bony structures to a knock impulse allows a definitive statement about the stiffness of a fracture. The practicability of computerised sonometry in computer-aided evaluation of the mechanical vibration reaction and the acoustic transmission of sound through osseous structures for assessing stability has been proved in experimental and clinical studies. We designed an animal study that would allow a systematic correlation between the diagnostic investigations in general use. As a main goal, this study tries to correlate sonography with other quantitative techniques, even if they are not used under everyday clinical conditions. Our results show that methods based on direct assessment of the mechanical stability between fracture fragments allow a more exact evaluation of fracture healing. This study helps to classify the results of computerised sonometry together with other diagnostic procedures used for the evaluation of fracture healing, and furthermore provides a basis for clinical interpretation of the findings of a new, non-invasive technique for precise quantitative assessment of fracture healing.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Standard X-ray techniques are used to follow up the healing process of bone fractures. However, these methods allow only indirect conclusions about the stability of the healing bone, depending on the experience of the clinician. In addition, by radiologic means, delayed union or non-union can only be diagnosed on the basis of the absence of specific changes such as callus formation. Therefore, efforts have been made to develop alternative methods for monitoring the healing process. The measuring principle of a non-invasive method is based on evaluation of changes in mechanical vibration reactions. The measuring system is composed of two sound transducers, an amplifier module and an AD converter attached to a PC. The assessment of 150 healthy individuals as well as an initial measuring series after treatment of tibial fractures with an external fixator system revealed highly significant differences between intact and fractured tibias. Thus, computerised sonometry is capable of supplying quantitatively recordable information about the stability of a fractured bone at any time in the healing process. Furthermore, this non-invasive technique allows early diagnosis of disorders in the repair process by the absence of change in the parameters.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Arthroskopie 11 (1998), S. 259-270 
    ISSN: 1434-3924
    Keywords: Schlüsselwörter Radiusfraktur ; Arthroskopie ; Mittelfristige Ergebnisse ; Skapholunäre Instabilität ; Discus triangularis ; Key words Distal radius fracture ; Arthroscopy ; Midterm results ; Triangular fibrocartilage complex ; Scapholunate instability
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Since 1993, 30 patients with acute distal intraarticular radius fractures have been treated under arthroscopic assistance. According to the AO classification there were 3 B- and 27 C-fractures, most of them Frykman VIII fractures. Of 30 fractures 23 showed additional lesions which could only be diagnosed under arthroscopic view. In particular, 12 partial or complete tears of the intracarpal ligaments were found. Of 25 fractures 23 which were treated at least 12 months previously could be followed up radiologically and clinically. X-rays included postero anterior and lateral views to evaluate the radial angles and the radial length and stress tests to check for instability, especially of the scapholunate ligaments. Clinical examination included range of motion and objective grip strength measured with a Jamar (Cedaron) tester. Each test was performed on both wrists for comparison. Subjective data included pain and function for daily activities. Data were evaluated by the Jakim and the Cooney scoring system and the demerit point system by Gartland and Werley as modified by Sarmiento et al. About 70% of our patients showed an excellent or good result; about 15% had a poor result. However, we must mention that we were not able to reduce one C3-fracture under arthroscopic view and had to switch to a semi-open procedure with additional external fixateurs. Arthroscopically assisted treatment of distal intraarticular fractures is not only useful to detect and manage additional carpal lesions, but seems to give good midterm results as well.
    Notes: Seit der klinischen Einführung der Handgelenkarthroskopie 1993 an unserer Klinik wurden 30 Speichenbrüche unter arthroskopischer Sicht versorgt. Entsprechend der AO-Klassifikation handelte es sich um 3 B- und 27 C-Frakturen; entsprechend der Einteilung nach Frykman waren der Großteil Typ-VIII-Frakturen. In 23 von 30 distalen intraartikulären Brüchen konnten primär nicht erkannte, behandlungswürdige Zusatzverletzungen gefunden werden. Ein großes Augenmerk galt der skapholunären Bandverbindung, wobei 12 Teil- oder komplette Rupturen entdeckt wurden. 23 von 25 Frakturen, deren Versorgung mindestens 1 Jahr zurücklag, konnten nachuntersucht werden. Die radiologische Untersuchung bestand in p.-a. und lateralen Vergleichsaufnahmen, um die Radiusgelenkflächenwinkel und den Ulnavorschub klassifizieren zu können. Zusätzlich wurden Radial- und Ulnarduktionsaufnahmen angefertigt, speziell im Hinblick auf etwaige Bandinstabilitäten. Die klinische Untersuchung umfaßte das Bewegungsausmaß, subjektive Schmerzangaben sowie eine Befragung nach der Beschäftigung. Mittels Jamar-Dynamometer (Cedaron ® ) wurde die objektive Griffstärke bei Faustschluß im Vergleich beider Hände ermittelt. Die erhobenen Daten wurden mittels Jakim-Score und dem Cooney-scoring-System sowie dem nach Sarmiento modifizierten Gartland-and-Werley-Score evaluiert. 70% unserer Patienten zeigten ein exzellentes oder gutes Ergebnis, in etwa 15% der Fälle wurden schlechte Ergebnisse gefunden. Die arthroskopisch assistierte Versorgung von distalen intraartikulären Speichenbrüchen gibt nicht nur Aufschlüsse über etwaige Zusatzverletzungen mit der Option, diese in derselben Sitzung zu therapieren, sondern scheint auch gute mittelfristige Ergebnisse, zumindest soweit bis heute beurteilbar, zu bringen.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 375 (1990), S. 347-350 
    ISSN: 1435-2451
    Keywords: Power-driven staples ; Correct application ; Progress in bone-fixation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Knochenklammerung mit Hilfe von Staples, welche über ein spezielles druckluftgetriebenes Hammersystem in den Knochen eingeschlagen werden, erweist sich bei richtiger Handhabung als wesentliche Verbesserung der Technik, da durch die maschinelle Implantation ein exakter Sitz der Klammer erreicht wird. Seit 1. 1. 1988 wurde these Methode bei insgesamt 43 Patienten mit gutem Erfolg bei relativ geringer Komplikationsrate verwendet.
    Notes: Summary Fixation with staples, which are driven into the bone by a special air-driven gun, provides a technical improvement over a hand-held device. Correct handling of the staple gun gives exact seating and placement into bone. Since January 1, 1988, this method has been used in 43 patients with good results and few complications.
    Type of Medium: Electronic Resource
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