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  • 2000-2004  (2)
  • 1955-1959
  • 1890-1899
  • Arthroskopische Schulterstabilisierung  (1)
  • Bactris gasipaes  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Arthroskopie 13 (2000), S. 237-240 
    ISSN: 1434-3924
    Keywords: Schlüsselwörter Arthrofibrose ; Arthroskopische Schulterstabilisierung ; Operationszeitpunkt ; Keywords Arthrofibrosis ; Arthroscopic shoulder stabilization ; Time of surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract The purpose of this study was to review our experience of arthroscopic repair of acute anterior shoulder dislocation, focussing on comparing the time of surgery from the date of injury with the incidence of arthrofibrosis. During a 20-month period, 18 patients underwent arthroscopic stabilization after acute, primary shoulder dislocation. The operative technique was standardized. The population was subdivided into three groups, regarding the interval between the date of trauma and injury. Group 1, surgery during the first week; group 2, surgery between the second and fourth week; and group 3, surgery after the fifth week. The average interval between trauma and surgery was 132.5 days (range, 6–470). The postoperative standardized rehabilitation protocol was the same for all patients. The follow-up was after 3 months. Preoperatively, we found a free range of motion in all patients. After 3 months post-surgery, we observed a limited range of motion in 7 patients. The average interval between trauma and time of surgery was 36.4 days (range, 6–73 days). In 11 patients we found a free range of motion. Here the trauma-surgery interval was 188 days (range, 60–380). In group 1 and 2, all patients showed limited range of motion in their shoulder (n = 4). In group 3, patients were limited in range of motion (26.7%). However, these patients had a recognizably shorter trauma-surgery interval (53.25 days) than the other 11 patients in this group (193.6 days). Arthrofibrosis occurred in 7 cases (38.8%), 3 months after surgery. These patients underwent surgery between day 6 and 73 after trauma. However, stabilization during the first 4 weeks showed a trend for an increased risk of arthrofibrosis. Therefore, attention should be paid to the complication of arthrofibrosis in acute arthroscopic shoulder stabilization.
    Notes: Zusammenfassung Ziel dieser Arbeit war die Untersuchung eines möglichen Zusammenhangs zwischen dem Operationszeitpunkt und dem Auftreten einer Arthrofibrose nach arthroskopischer Schulterstabilisierung. Innerhalb von 20 Monaten wurden 18 Patienten mit einer primärtraumatischen Schultererstluxation in Fastaktechnik arthroskopisch stabilisiert. Die Patienten wurden dabei je nach Operationszeitpunkt in 3 Gruppen unterteilt: Gruppe 1: Primärversorgung innerhalb 1 Woche ¶(n = 1), Gruppe 2: Spätprimärversorgung zwischen der 2. und der 4. Woche ¶(n = 3) und Gruppe 3: Sekundärversorgung ab der 5. Woche (n = 14). Das Intervall zwischen Trauma und operativer Versorgung betrug im Mittel 132,5 Tage (mindestens 6, maximal 470 Tage). Die postoperative Rehabilitation erfolgte bei allen Patienten nach dem gleichen, standardisierten Physiotherapieprotokoll. Die klinische Kontrolluntersuchung erfolgte 3 Monate postoperativ. Präoperativ fand sich bei allen Patienten eine freie Beweglichkeit der verletzten Schulter. Bei 7 Patienten fanden sich Bewegungseinschränkungen. Bei diesen betrug das durchschnittliche Intervall zwischen Trauma und Operation 36,4 Tage (6–73 Tage). Bei 11 Patienten lag postoperativ ein freier Bewegungsumfang vor. Bei diesen Patienten lag das durchschnittliche Intervall zwischen Trauma und Operation bei 188 Tagen (60–380 Tage). In Gruppe 1 und 2 fanden sich bei allen Patienten (n = 4), in Gruppe Gruppe 3 bei 3 Patienten (26,7%) Bewegungseinschränkungen. Diese hatten mit durchschnittlich 53,25 Tagen jedoch eine deutlich geringere Intervalldauer zwischen Unfall und Operationszeitpunkt als die übrigen 11 Patienten dieser Gruppe mit durchschnittlich 193,6 Tagen. Die Komplikation einer Arthrofibrose mit deutlicher Einschränkung der Beweglichkeit ¶3 Monate postoperativ trat in unserem Patientengut bei 7 Patienten (38,8%) auf, die zwischen dem 6. und 73. posttraumatischen Tag operiert wurden. Tendenziell ist bei primärer und postprimärer Versorgung mit einer höheren Arthrofibroserate zu rechnen. Daher sollte bei der arthroskopischen Stabilisierung der primärtraumatischen Erstluxation dieser Komplikation besondere Aufmerksamkeit geschenkt werden.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5036
    Keywords: agroforestry ; Amazonia ; Bactris gasipaes ; humid tropics ; Pueraria phaseoloides ; root activity ; Theobroma grandiflorum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract In a multi-strata agroforestry system in central Amazonia, we studied the nitrogen (N) use of two indigenous fruit tree species, Theobroma grandiflorum Willd. (ex Spreng.) K. Schum. (cupuaçu) and Bactris gasipaes Kunth. (peachpalm) for heart of palm production, and a legume cover crop, Pueraria phaseoloides Roxb. (Benth.) (pueraria). 15N was applied at a rate of 1 kg ha−1 twice at the beginning and at the peak of the rainy season, in a split plot design under either cupuaçu, peachpalm or pueraria together with fertilizer N usually applied (95.4 and 42.4 g N tree−1 for cupuaçu and peachpalm, respectively). Plant and soil 15N content and total 15N uptake were measured for 1 year. The highest N uptake by the trees occurred from areas underneath their canopy being more than 70% of their total N uptake. During the dry season, pueraria also took up most of its N (more than 70%) from the area underneath its own canopy. During the rainy season, however, pueraria utilized N from the area under cupuaçu (27–40%) and peachpalm (34–47% of the total N uptake by pueraria). Cupuaçu took up between 12 and 26% of its N from the area covered by pueraria, peachpalm slightly less with 10 to 18% (significant only at the end of the rainy season; P〈0.05). Competition for N uptake between the trees was negligible. The above-ground recovery was highest in cupuaçu (15% of the applied 15N), followed by pueraria (11%) and peachpalm (3%). Pueraria proved to be very important for the N cycling in the mixed tree cropping system recovering most (31%) of the applied 15N in plant and soil in comparison to cupuaçu (20%) and peachpalm (21%). However, the natural 15N abundance of the tree leaves did not show a significant transfer of biologically fixed N2 from pueraria to the trees (P〉0.05) and the cover crop did not improve tree N nutrition. The investigated fruit trees did not benefit from biologically fixed N2 of the legume cover crop due to their low lateral root activity and the high available soil N contents largely being an effect of the amount and placement of mineral fertilizer.
    Type of Medium: Electronic Resource
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