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  • 1
    Electronic Resource
    Electronic Resource
    Reconstructive treatment of sclerosing osteomyelitis of the entire femur of 30 years’ duration with avoidance of segmental resection (1999)
    Springer
    Archives of orthopaedic and trauma surgery 119 (1999), S. 228-231 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe the successful operative treatment of a patient with chronic sclerosing osteomyelitis of the femur in which en bloc resection was avoided. Therapy consisted of combined endoscopic, computed tomography and bone scan-guided fenestration and intramedullary reaming, with removal of all sclerotic zones and normalization of the cortical thickness. An adequate supply of oxygen to the area was ensured by improved vascularisation and the application of hydrogen peroxide. At the medium term follow-up no recurrence was seen, and hip and knee function was normal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004020050398
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  • 2
    Electronic Resource
    Electronic Resource
    Primary biomechanical influence of different sterilization methods on a freeze-dried bone-ligament transplant (1999)
    Springer
    Archives of orthopaedic and trauma surgery 119 (1999), S. 236-240 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The transmission of bacteria and viruses in ligament transplants should be prevented by sterilization. In this study, the influence of two different methods on the mechanical properties of a freeze-dried medial collateral ligament was analyzed in sheep. Group I (n = 10) was treated with irradiation (26 kGy) and group II (n = 10) with ethyleneoxide. The mechanical properties changed in respect of the maximal load: group I (–29.9%; P 〈 0.05), group II (–7.7%), elongation: group I (–6.6%), group II (–0.3%), stress: group I (–20.1%), group II (–6.8%), strain: group I (–0.64%), group II (–0.3%), stiffness: group I (–10.2%), group II (–10.5%), energy: group I (–31.4%), group II (–6.9%) and elastic modulus: group I (–1.3%), group II (–5.0%). The irradiation dose significantly reduced the maximal load, whereas ethyleneoxide sterilization resulted only in minor changes. Because of the potential cancerogenity of ethyleneoxide, a close monitoring of aeration times and its residuals are very essential. Further studies with lower irradiation doses of between 15 and 26 kGy seem to be justified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004020050400
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  • 3
    Electronic Resource
    Electronic Resource
    Time-dependent clinical and roentgenographical results of Coventry high tibial valgisation osteotomy (1997)
    Springer
    Archives of orthopaedic and trauma surgery 117 (1997), S. 53-57 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We analyzed the time-dependent results after Coventry osteotomy in 118 patients (129 cases) with unicompartmental osteoarthrosis of the knee. The median follow-up was 11.6 years (range 0.7–17 years). Data were noted according to the time since surgery. Group I (〉 2 years) consisted of all 129 cases, group II (〉 4 years) of 41 cases and group III (〉 8 years) of 15 cases. The HSS knee score (max. 100 points) improved from 33.2 ± 20.4 (range 17–60) to 68.3 ± 25.3 (range 30–90) in group I, to 54.7 ± 18.9 (range 29–90) in group II and to 43.7 ± 20.9 (range 23–85) in group III. The improvement started 4.6 ± 7.8 months (range 0–60 months) after the operation and persisted for 4 years ± 37.4 months (range 0–125 months). The functional knee score (max. 100 points) changed from 61.7 ± 14.1 (range 41–70) to 71.7 ± 13.1 (range 53–87) in group I, to 70.0 ± 11.8 (range 54–88) in group II and to 64.2 ± 8.0 (range 42–90) in group III. The initial loss in knee flexion was 5.6° (range 0°–20°) and for extension 1.0° (range –5°–25°). Anteroposterior ligament stability (max. 10 points) decreased from 9.2 ± 2.1 (range 2–10) to 5.6 ± 1.7 (range 2–9) in group III. Lateral ligament stability (max. 15 points) was relatively constant, from 12.6 ± 1.9 (range 4–15) to 9.7 ± 1.9 (range 2–14). Complications included one tibia fracture, one infection, six peroneus pareses, four haematomas and one pseudarthrosis. The mechanical axis was corrected to an average knee valgus of 5.2°± 7.4°, which deteriorated over time. Radiographic evidence of arthrosis appeared independent of the operation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00703441
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Time-dependent clinical and roentgenographical results of Coventry high tibial valgisation osteotomy (1998)
    Springer
    Archives of orthopaedic and trauma surgery 117 (1998), S. 53-57 
    Details
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We analyzed the time-dependent results after Coventry osteotomy in 118 patients (129 cases) with unicompartmental osteoarthrosis of the knee. The median follow-up was 11.6 years (range 0.7–17 years). Data were noted according to the time since surgery. Group I (〉 2 years) consisted of all 129 cases, group II (〉 4 years) of 41 cases and group III (〉 8 years) of 15 cases. The HSS knee score (mat. 100 points) improved from 33.2 ± 20.4 (range 17–60) to 68.3 ± 25.3 (range 30–90) in group I, to 54.7 ± 18.9 (range 29–90) in group 11 and to 43.7 ± 20.9 (range 23–85) in group III. The improvement started 4.6 ±7.8 months (range 0–60 months) after the operation and persisted for 4 years ± 37.4 months (range 0–125 months). The functional knee score (max. 100 points) changed from 61.7 ± 14.1 (range 41–70) to 71.7 ± 13.1 (range 53–87) in group I, to 70.0 ± 11.8 (range 54–88) in group II and to 64.2 ± 8.0 (range 42–90) in group III. The initial loss in knee flexion was 5.6° (range 0°–20°) and for extension 1.0° (range −5°–-25°). Anteroposterior ligament stability (max. 10 points) decreased from 9.2 ± 2.1 (range 2–10) to 5.6 ± 1.7 (range 2–9) in group III. Lateral ligament stability (max. 15 points) was relatively constant, from 12.6 ± 1.9 (range 4–15) to 9.7 ± 1.9 (range 2–14). Complications included one tibia fracture, one infection, six peroneus pareses, four haematomas and one pseudarthrosis. The mechanical axis was corrected to an average knee valgus of 5.2° ± 7.4°, which deteriorated over time. Radiographic evidence of arthrosis appeared independent of the operation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00703441
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Long term results of uncemented Judet hip endoprostheses (1995)
    Springer
    International orthopaedics 19 (1995), S. 144-150 
    Details
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Nous avons revu 94 patients chez qui 113 prothèses non cimentées de Judet ont été posées; 83 ont une durée moyenne d'observation de 10,8 ans (de 6 à 13 ans). Les échelles de Harris et de Merle d'Aubigné ont été utilisées pour l'évaluation clinique. A long terme, des douleurs modérées ou sévères étaient présentes dans 38,6% des hanches. L'étude radiographique a relevé les signes de descellement et notamment les liserés. Vingt hanches (24,1%) montraient des signes radiologiques de descellement de la cupule cotyloïdienne avec un déplacement de plus de 5 mm dans 37,5% des cas. La fréquence des descellements fémoraux était de 32,5% mais dans seulement 7 cas sur 83, il fut noté une mobilisation de la pièce fémorale. Le taux cumulatif de survie à 6 ans était de 84,1% descendant à 55,1% après 11 ans. Les complications et les différents aspects de l'évolution sont discutés. Au total, nos résultats ne sont pas satisfaisants et nous ne pouvons pas recommander ce type de prothèse non cimentée pour l'arthroplastie totale de la hanche de routine.
    Notes: Summary We reviewed 94 patients in whom 113 Judet uncemented total hip endoprostheses had been inserted; 83 had a mean follow up of 10.8 years (range 6 to 13 years). The Merle dÁubigne and Harris hip scores were used for clinical evaluation. In the long term follow up, severe or moderate pain was present in 38.6% of hips. Radiographs were studied and radiolucent lines, and other evidence of loosening, were recorded. Twenty hips (24.1%) showed radiological signs of loosening of the acetabular cup and a displacement of more than 5 mm in 37.3%. The loosening rate of femoral stems was 32.5%, but only 8.4% showed subsidence. The cumulative survival rate at 6 years was 84.1%, decreasing to 55.1% after the eleventh year. Complications and other aspects of the outcome are discussed. Our results were on the whole not satisfactory and we cannot recommend this type of uncemented endoprosthesis for routine total hip replacement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181859
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