Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 2000-2004  (1)
  • 1980-1984  (1)
  • 1
    ISSN: 1436-2813
    Keywords: Key Words Artificial esophagus ; Collagen sponge ; Artificial dermis ; Split-thickness skin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The time and effort spent trying to devise an artificial esophagus have not yet resulted in success, and leakage and strictures at the anastomotic sites remain the most frequent complications. We developed an artificial esophagus with a bilayered structure made of porous collagen sponge (artificial dermis; AD), a latissimus dorsi muscle flap (LD), and split-thickness skin (STS). We investigated whether the use of AD prevented the contraction of grafted skin and its effects on the extensibility of the neoesophagus in rabbits. We experimented with two groups. In the AD group, AD was applied to the surface of the LD. Three weeks later, the STS was grafted. In the control group, the STS was grafted directly onto the LD. The sizes of the STS in both groups 3 weeks after the graft were, respectively, 56.6% ± 4.1% and 39.0% ± 10.2% of the initial surface area of the STS (P 〈 0.01). The roll made in the AD group had better extensibility than that in the control group. We replaced the cervical esophagus in 12 rabbits with the neoesophagus made from AD, STS, and LD. The longest survival period was 16 days. Esophagography did not reveal either anastomotic leakage or stenosis in any of the five rabbits in the experiments. These findings suggested that AD can thus be used to create a more suitable hybrid artificial esophagus.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    ISSN: 1432-2323
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les effets del'administration pré-opératoire de l'association bléomycine (BLM) et radiothérapie ont été étudiés par les auteurs. Sur 206 malades atteints de cancer de l'oesophage dont la tumeur a été réséquée et étudiée histologiquement, 109 ont été traités en pré-opératoire par cette association. Les résultats ont été comparés avec ceux des malades qui ont été traités seulement par la radiothérapie ou par la bléomycine ou qui n'ont pas subi de traitement pré-opératoire. Par comparaison l'association BLM-radiothérapie a donné de meilleurs résultats que la radiothérapie isolée. L'efficacité sur les cellules néoplasiques et sur les adénopathies associées s'est traduite par un meilleur pronostic: 32,2 pour cent de survie à 5 ans dans le premier groupe et seulement 16,3 pour cent dans le second groupe (avec une moyenne globale de 26,2 pout cent) La dose nécessaire de bléomycine s'élève à 75mg (7.5mg par jour pendant 10 jours) et celle des rayons à 3 000 rads (200 rads pendant 15 jours). Le traitement pré-opératoire s'étend sur 3 semaines cependant que l'opération est entreprise de une à trois semaines après son arrêt. La BLM peut être remplacé par d'autres agents thérapeutiques actifs sur les cancers de type malphighien.
    Abstract: Abstracto Se acometió la evaluación de la terapia preoperatoria combinada con Bleomicina (BLM) y radioterapia para carcinoma esofágico. De 206 pacientes con carcinomas esofágicos resecados y examinados histológicamente, 109 fueron tratados con BLM e irradiación (grupo BR) y comparados con otros grupos: el grupo R, fué tratado con irradiación sólamente, el grupo B con BLM sólamente y el grupo N no recibió tratamiento preoperatorio. La terapia combinada de BLM e irradiación en comparación, particularmente con la radioterapia simple, fué considerada como de mejor efectividad histológica sobre las células carcinomatosas, especialmente en los ganglios linfáticos remotos, y de mejores resultados pronósticos representados por las tasas de supervivencia a 5 años: 32.2% para el grupo tratado con la primera forma de terapia y 16.3% para el grupo tratado con la ultima (promedid, 26.2%). La dosis ideal total de BLM puede ser 75 mg (intramuscular, 7.5 mg por 10 días) y la irradiación 3.000 rads (200 rads × 15 días), en ambos casos en 3 semanas, y la operación puede ser realizada una a dos semanas después de completado este tratamiento. La BLM puede ser reemplazada por otros agentes quimioterapéuticos que se crea son efectivos en carcinoma escamocelular.
    Notes: Abstract Evaluation of the preoperative combined bleomycin (BLM) and radiation therapy for esophageal carcinoma was undertaken. Of 206 patients with esophageal carcinomas resected and histologically examined, 109 were treated with BLM and radiation (BR group) and compared with the other groups consisting of group R which was treated with radiation alone, group B with BLM alone, and group N with no preoperative treatment. The combined BLM and radiation therapy in comparison particularly with simple radiation therapy was considered to have better histological effectiveness on carcinoma cells, particularly in remote lymph nodes, and better prognostic results represented by the 5-year survival rates: 32.2% for the group treated with the former therapy and 16.3% for the group with the latter (average, 26.2%). The ideal total dosage of BLM may be 75 mg (intramuscular, 7.5 mg × 10 days) and that of radiation 3,000 rads (200 rads × 15 days), both in 3 weeks, and the operation may be performed 1 or 2 weeks after completion of this treatment. BLM may be replaced by other chemotherapeutic agents that are believed effective in squamous cell carcinomaf.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...