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  • 1
    Electronic Resource
    Electronic Resource
    Grenzen der arthroskopischen Arthrolyse des Kniegelenks (1999)
    Springer
    Arthroskopie 12 (1999), S. 268-273 
    Details
    ISSN: 1434-3924
    Keywords: Schlüsselwörter Knie ; Arthroskopie ; Arthrolyse ; Judet-Operation ; Key words Knee ; Arthroscopy ; Arthrolysis ; Judet operation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: The development of minimally invasive and arthroscopic techniques as well as early rehabilitation has brought a significant increase in the functional outcome of joint mobility following knee surgery. Despite this fact, surgeons are still being confronted with an increasing number of knee operations in patients suffering from limited knee motion or arthrofibrosis. Several surgical techniques to improve knee mobility can be performed, depending on the amount and characteristics of immobility. Indications for arthoscopic or open surgery should be based on an algorhithm. The goal of this paper is to present this algorhithm and discuss the limitations of arthroscopic procedures. In seven patients with an average range of motion of 42.8° preoperatively, an open procedure had to be performed. The average range of motion intraoperatively was 115° and 97.8° at follow-up after 22.4 months.
    Notes: Obwohl verfeinerte, minimalinvasive Operationstechniken sowie neue Implantate in der Kniegelenkchirurgie zumeist eine frühfunktionelle Nachbehandlung ermöglichen und eine langfristige Ruhigstellung vermeiden, ist man auch sicher aufgrund der steigenden Zahl an Eingriffen in der täglichen Praxis immer wieder mit Patienten mit störenden Bewegungseinschränkungen des Kniegelenks konfrontiert. Dauer und Art der Gelenksteife, Ausmaß und Sitz des Bewegungshindernisses sowie Umfang der Funktionseinschränkung indizieren zwar die jeweilige Vorgangsweise, die Indikationsstellung gestaltet sich jedoch aufgrund der Komplexität des pathomorphologischen Substrats der Arthrofibrose problematisch. Diese Arbeit versucht anhand der Empfehlungen anderer Autoren sowie eigener Erfahrungen nach 7 offenen Arthrolysen die Grenzen der arthroskopischen Arthrolyse bzw. die Indikation zum offenen Eingriff aufzuzeichnen. Bei den 7 Patienten wurde die Beweglichkeitsamplitude von präoperativ durchschnittlich 42,8° intraoperativ auf einen Wert von durchschnittlich 115° angehoben, fiel jedoch bei der Nachuntersuchung (im Schnitt nach 22,4 Monaten) auf durchschnittlich 97,8° zurück.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001420050136
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  • 2
    Electronic Resource
    Electronic Resource
    Rotational instability and integrity of the interosseous membrane in cadaveric ulnar shaft fractures (1998)
    Springer
    Archives of orthopaedic and trauma surgery 118 (1998), S. 53-56 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The stability of isolated ulnar shaft fractures required further investigation because no data were available for fractures in the middle third or on the effect on rotational stability. Ten intact cadaveric arms were used to study the pathomechanics of fractures of the middle ulna. In all of them a transverse osteotomy was performed (A), then in five of them, an additional osteotomy was done in order to create a third fragment (B). The interosseous membrane was subsequently divided for 2 cm on either side of the osteotomy (A→C, C→D). On radiographs the displacement was recorded in pronation and supination, and the rotational displacement was calculated. Rotational instability occurred in all fractures studied, even in the so-called stable ones. Also, dissection of the interosseous membrane was not followed by a displacement of more than 50%, and shortening of the ulna should also be considered in fractures with less than 50% displacement as a sign of instability.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004020050311
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cyclops and cyclopoid formation after anterior cruciate ligament reconstruction: clinical and histomorphological differences (1999)
    Springer
    Knee surgery, sports traumatology, arthroscopy 7 (1999), S. 284-289 
    Details
    ISSN: 1433-7347
    Keywords: Key words ACL reconstruction ; Cyclops syndrome ; Histomorphology ; Tibial tunnel placement
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Notes: Abstract Prospectively, 119 patients were pursued clinically and by follow-up-arthroscopy for the occurrence of a “cyclops syndrome” after ACL reconstruction with a patellar tendon autograft, augmented by LAD. Twenty-one patients showed nodular formations. Ten of these (group 1) developed early clinical evidence of a “cyclops syndrome” with a mean extension deficit of 19° before follow-up-arthroscopy, on average 5.9 months after the index operation. The nodular formations found and excised during débridement had a hard consistency. Histomorphological undecalcified microtome section evaluation of six specimens revealed fibrocartilagineous tissue with active bone formation in the center. The other 11 patients showed no clinical symptoms (group 2). A similar but soft nodulous scar formation was detected at follow-up-arthroscopy, on average 9.5 months after the index operation. Histomorphologically these so-called “cyclopoid” formations were only built-up fibrocartilagineous islands surrounded by granulation tissue. Neither remnants of tendon graft fibers nor old bone particles were found in specimens of either group. It can be concluded that both the hard cyclops and the soft “cyclopoid” are de novo scar formations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001670050165
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    Paper (German National Licenses)
    Fulltext
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