Abstract
From January 1980 to December 1991 we operated on 295 patients with a gastric carcinoma. In 166 cases (56.3%) surgery was performed with curative intent. In 93 patients (56%) a subtotal gastrectomy was performed, and in 73 cases (44%) a total gastrectomy. In all the cases a D-2 type lymphadenectomy was used. The global morbidity rate was 23%, and in-hospital mortality was 3.6%. The morbidity and mortality rates of these two operations were statistically different. Global 5-year survival estimate for the whole series is 61.3%. Univariate and multivariate analysis according to T and N (TNM classification), the number of positive nodes resected, and the relation of positive per resected nodes, revealed statistically different outcomes. This kind of quantitative classification allowed identification of high risk groups irrespective of site of nodal involvement. Tumors classified as intestinal or diffuse type by the Lauren classification had similar survival curves and 5-year survival estimates (p=0.834). By univariate and multivariate analysis this classification did not reveal a prognostic value in this group of patients. In our opinion, tumor penetration and lymph node involvement are at present the most reliable prognostic factors available.
Résumé
Entre Janvier 1980 et Décembre 1991, nous avons opéré 295 patients ayant un cancer gastrique. Chez 166 (56.3%), l'exérèse a été jugée curative. Chez 93 (56%) des cas, il s'agissait d'une gastrectomie subtotale alors que dans 73 (44%) cas, une gastrectomie totale a été pratiquée. Dans tous les cas une lymphadénectomie du type D-2 lui a été associée. La morbidité globale a été de 23% et la mortalité hospitalière de 3.6%. La morbidité et la mortalité des deux types d'intervention différaient de façon statistiquement significative. La survie à 5 ans de la série en entier a été de 61.3%. Une analyse uni et multifactorielle a pu mettre en évidence une différence statistiquement significative en ce qui concerne la survie par rapport à la classification T-N (TNM), le nombre de ganglions réséqués et le nombre de ganglions envahis/nombre de ganglions enlevés. Cette analyse a permis d'identifier les malades à haut risque, indépendamment du site de l'envahissement lymphatique. La courbe de survie et la survie estimée à 5 ans étaient identiques selon que la tumeur a été classée intestinale ou diffuse selon Lauren. Cette classification n'a pas, pourtant, de valeur pronostique d'après les analyses uni et multifactorielle. A notre avis, la pénétration tumorale et le degré d'envahissement lymphatique sont les deux facteurs pronostiques les plus constants.
Resumen
En el período enero 1980 a diciembre 1991 se operaron 295 pacientes con carcinoma gástrico. En 166 (56.3%), la cirugía fue realizada con intención curativa; en 93 (56%) se realizó gastrectomía subtotal y en 73 (44%) gastrectomía total. En la totalidad de los casos se realizó linfadenectomía “D-2”. La mortalidad global fue 23% y la mortalidad hospitalaria 3.6%. Las tasas de mortalidad y morbilidad de estas dos operaciones aparecieron significativamente diferentes. La sobrevida global a cinco años estimada para la totalidad de la serie es de 61.3%. Los análisis uni y multivariables de acuerdo con la clasificación TNM, el número de ganglios positivos resecados y la relación positivos/resecados revelaron resultados estadísticamente diferentes. Este tipo de clasificación cuantitativa permitió la identificación de Grupos de alto riesgo independientes del lugar de la invasión ganglionar. Los tumores clasificados como intestinales o difusos (clasificación de Lauren), registraron similares curvas de sobrevida y de sobrevida estimada a cinco años (P=0.834). Mediante el análisis univariable y multivariable esta clasificación no demostró tener valor pronóstico en nuestro Grupo de pacientes. En nuestra opinión, el grado de penetración del tumor y la invasión ganglionar son los factores de pronóstico más confiables.
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Mendes de Almeida, J.C., Bettencourt, A., Santos Costa, C. et al. Curative surgery for gastric cancer: Study of 166 consecutive patients. World J. Surg. 18, 889–894 (1994). https://doi.org/10.1007/BF00299097
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DOI: https://doi.org/10.1007/BF00299097