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  • ACL rupture  (1)
  • Akromioplastik  (1)
  • Carbon monoxide  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Der Unfallchirurg 99 (1996), S. 946-952 
    ISSN: 1433-044X
    Keywords: Schlüsselwörter Tendinitis calcarea ; Arthroskopische Entfernung ; Akromioplastik ; Key words Calcific tendinitis ; Arthroscopic removal ; Acromioplasty
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: In a retrospective analysis we evaluated 48 patients who had been arthroscopically treated for tendinitis calcarea. The calcific deposit was removed whenever possible and all patients were treated by arthroscopic subacromial decompression. In subjects who showed subacromial stenosis by X-ray or by intraoperative findings, an arthroscopic acromioplasty was performed. At follow-up all patients were evaluated according to the Constant score. Additionally all pre- and postoperative X-rays were reviewed. After surgery the Constant score significantly improved. In all cases where acromioplasty was performed, a flattening of the bony configuration was achieved. The X-ray analysis showed that no calcific deposit with blurred borders converted to sharp borders. There was also no deposit that converted from a transparent appearance to a dense structure. Patients with disappearance of the calcific deposit postoperatively had significantly better outcome than patients with no change in the X-ray. An additional acromioplasty did not improve the results. The aim of arthroscopic treatment of calcific tendinitis has to be the removal of the calcific deposit. Acromioplasty does not lead to further improvement of the result.
    Notes: Klinische Relevanz: Ziel der arthroskopischen Therapie der Tendinitis calcarea muß die Entfernung des Kalkdepots sein. Eine Akromioplastik bringt keine Vorteile.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-055X
    Keywords: Schlüsselwörter Atemkalk ; Kohlenmonoxid ; Halothan ; Enfluran ; Isofluran ; Key words Soda lime ; Carbon monoxide ; Halothane ; Isoflurane ; Enflurane
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract In the presence of completely dry soda lime volatile anaesthetics will decompose to carbon monoxide (CO). In an in vitro study, the absorbent (soda lime, ICI) was dried with a constant gas flow of 1 l/min oxygen for 120 h. The weight loss during the drying was 17.1%. Two vol% of halothane, enflurane or isoflurane in oxygen was administered with a constant flow of 0.5 l/min oxygen through the completely dry absorbent. Concentrations of gases were measured before and after the absorbent using mass spectrometry (MGA 1100, Perkin-Elmer) and an electrochemical NO monitor (Mini PAC CO, Dräger). The temperature inside the soda lime was monitored continuously. Shortly after adding the anaesthetic to the oxygen passing through the absorbent, carbon monoxide appeared in the outlet of the soda lime container. The measured peak concentrations varied around 450 ppm (halothane), 3500 ppm (enflurane) and 3800 ppm (isoflurane).The temperature inside the absorbent rose from the ambient temperature (19.8 °C) to a maximum of 52.1 °C during CO production and decreased when the CO production lowered after approximately 1 h (all anaesthetics). During CO production no measurable concentration of halothane left the absorber. After passing through the absorbent the concentrations of isoflurane and enflurane were slightly lower than the corresponding concentrations in the fresh gas measured before absorption.
    Notes: Zusammenfassung Volatile Anästhetika werden an trockenem Atemkalk teilweise zu Kohlenmonoxid umgesetzt. Im Laborexperiment wurde frischer, ungebrauchter Atemkalk mit einem konstanten Flow von 1 l/min Sauerstoff über 120 h getrocknet. Der Gewichtsverlust durch Trocknung betrug 17,1%. Halothan, Enfluran und Isofluran wurden in Konzentrationen von jeweils 2 Vol.-% in 0,5 l/min Sauerstoff durch den trockenen Atemkalk geleitet. Unmittelbar nach Einleiten der Anästhetika wurde im Atemkalk Kohlenmonoxid gebildet. Die geringsten Konzentrationen wurden unter Halothan (400 ppm) bestimmt. Bedeutend mehr CO fiel bei der Reaktion zwischen Atemkalk und Enfluran (3500 ppm) bzw. Isofluran (3800 ppm) an. Im Atemkalk kam es während der CO-Produktion zu einem Anstieg der Temperatur bis auf 52,1 °C. Während dieser Phase wurde Halothan, nicht aber Enfluran oder Isofluran, vollständig vom Atemkalk absorbiert. Inspiratorische CO-Konzentrationen von 4000 ppm können bereits nach kurzer Expositionsdauer zu einer klinisch relevanten COHb-Bildung führen. Um der Gefahr einer Carboxyhämoglobinbildung entgegenzuwirken, muß die akzidentelle Austrocknung des Atemkalks deshalb unbedingt vermieden werden.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of orthopaedic surgery & traumatology 8 (1998), S. 61-64 
    ISSN: 1432-1068
    Keywords: ACL rupture ; Arthrotomy ; Meniscectomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A group of 94 male and 12 female patients who all suffered from ACL ruptures had a follow-up examination after a period of 14 to 21 years (m = 17.2 years). Each of them had undergone a primary arthrotomy with total or partial meniscectomy. In none of the cases, however, had operative repair of the ACL rupture been performed. The most frequent concomitant injury was a torn medial meniscus which occurred in 74.5% of the cases whereas a damaged lateral meniscus was found in 17.0% of the cases only. Chondromalacia of tibia, femur or patella was observed in 42.5% of the cases. Over 60% of the patients resumed their former sports activities, although in nearly 30% of these cases at a lower level whereas one third of the patients had to practice some other sport or were even forced to give up sports completely. 61.3% still complained about instability of the knee joint, 73.6% of the patients with partial or total meniscectomy had developed osteoarthritis of grade III and IV.
    Type of Medium: Electronic Resource
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