22 results on '"Díaz-Plasencia, Juan Alberto"'
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2. Liposarcoma retroperitoneal gigante bien diferenciado, un reporte de caso
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Guarniz Poma, Gonzalo Alberto, primary, Gutiérrez-Verde, Diana Esmeralda, additional, Gutiérrez-Valverde, Rodrigo Aníbal, additional, and Díaz-Plasencia, Juan Alberto, additional
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- 2023
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3. Factores de riesgo de recurrencia post gastrectomía por carcinoma gástrico
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Saravia-Rodríguez, Christian Eliseo, primary, Díaz-Plasencia, Juan Alberto, primary, Yan-Quiroz, Edgar Fermín, primary, and Valencia-Mariñas, Hugo, primary
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- 2019
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4. Significancia pronóstica del estadío clínico TNM en la sobrevida quinquenal en carcinoma primario de vesícula biliar
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Arbayza-Ávalos, Yessenia Katherin, Díaz-Plasencia, Juan Alberto, Segura-Plasencia, Niler Manuel, and Yan-Quiroz, Edgar Fermín
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Carcinoma de vesícula biliar TNM. Sobrevida ,Survival ,Sobrevida ,Gallbladder carcinoma ,Carcinoma de vesícula biliar TNM ,TNM - Abstract
OBJETIVOS: Determinar la significancia pronóstica del estadío clínico TNM y la tasa de sobrevida quinquenal de pacientes con carcinoma primario de vesícula biliar. MATERIAL Y MÉTODOS: Estudio descriptivo, longitudinal, observacional y con diseño empírico de una sola casilla evaluó 71 pacientes con cáncer de vesícula biliar sometidos a resección de la neoplasia en el Hospital Belén, Trujillo , Perú, entre los años 1966 y 2000. RESULTADOS: La edad media de la serie total fue de 61,6 + 12,04 años (límites de 33 a 88 años). La mayoría de pacientes perteneció al grupo etáreo de mayor o igual a 60 años (56.3%). Diez pacientes pertenecieron al sexo masculino (14.1%) y 61 al sexo femenino (85.9%), proporción (H:M = 1:6,1). En el análisis univariado, usando el test de log - rank, las siguientes variables estuvieron asociadas significativamente con la sobrevida quinquenal: tumor primario (p= 0.0001), estado ganglionar regional (p=0.0038), estadío clínico (p=0.00001). Las tasas de sobrevida actuarial de toda la serie a los 12, 36 y 60 meses fueron de 30% , 14.1% y 11.3% respectivamente. CONCLUSIONES: Los factores pronósticos que estuvieron asociados significativamente con la sobrevida quinquenal fueron: el tumor primario (p= 0.0001), estado ganglionar regional (p= 0.0038) y estadío clínico (p= 0.00001). Las tasas de sobrevida actuarial de toda la serie a los 12, 36 y 60 meses fueron de 30%, 14.1% y 11.3% respectivamente. PURPOSE. To determine the prognosis significance of the TNM clinic stage and the five-year survival rate of patients with primary carcinoma of the gallbladder. MATERIAL AND METHODS: A descriptive, longitudinal, observational study with a single-box empirical design that evaluated 71 patients with gallbladder cancer who had surgical resection of the neoplasia in the Belén Hospital in Trujillo, Peru between 1966 and 2000. RESULTS: The mean age of the total series was 61.6±12.04 years (ranging from 33 to 88 years). Most of the patients belonged to the age group of 60 years or older (56.3%). Ten patients were males (14.1%) and 61 were females (85.9%), with a M:F ratio of 1:6.1. In the univariate analysis using the log-rank test, the following variables were significantly related to a five-year survival time: primary tumor (p=0.0001), regional ganglionic condition (p=0.0038), clinic stage (p=0.00001). The actuarial survival rate of all the series at 12, 36, and 60 months was 30%, 14.1%, and 11.3%, respectively. CONCLUSIONS: The prognosis factors significantly related to five-year survival were: primary tumor (p=0.0001), regional ganglionic condition (p=0.0038) and clinic stage (p=0.00001). The actuarial survival rate of all the series at 12, 36, and 60 months was 30%, 14.1%, and 11.3%, respectively.
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- 2017
5. Impacto de las complicaciones infecciosas postoperatorias en la sobrevida a largo plazo de pacientes gastrectomizados por carcinoma gástrico avanzado con intención curativa
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Salazar Abad, Sarita Elena, Díaz Plasencia, Juan Alberto, Yan-Quiroz, Edgar Fermín, Calvanapon Prado, Pamela, Marín-Córdova, Norma, and Churango Barreto, Katherine
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Cáncer gástrico ,Stomach neoplasms ,Sobrevida ,Survivorship ,Morbilidad ,Morbidity - Abstract
Objetivo: Comprobar el impacto de las complicaciones infecciosas postoperatorias en la sobrevida a largo plazo de pacientes gastrectomizados por carcinoma gástrico con intención curativa. Materiales y métodos: El presente estudio de cohortes evaluó una serie de 79 pacientes con diagnóstico de carcinoma gástrico avanzado resecable con intención curativa. Se agruparon a su vez: Grupo A (N=28): Pacientes con complicaciones infecciosas postoperatorias y Grupo B (N=51): Pacientes que no presentaron complicaciones infecciosas postoperatorias. El estudio abarcó los años 2008-2013. Resultados: En el grupo A, las tasas de sobrevida a 1, 3 y 5 años fueron de 74%, 74% y 47,6% respectivamente. En el grupo B, las tasas de sobrevida a 1, 3 y 5 años fueron de 80,3%, 56% y 49,8% respectivamente (p=0,365). Las principales complicaciones infecciosas postoperatorias no relacionadas con la técnica quirúrgica fue la neumonía (20,3%), seguida de infección del tracto urinario (3,8%). Las principales complicaciones infecciosas postoperatorias relacionadas con la técnica quirúrgica fue la sepsis (n=5), dos de estos pacientes presentaron de dehiscencia de anastomosis esofagoyeyunal, dos presentaron fístula gastroyeyunal, uno fístula enterocutánea y por último un paciente presentó absceso y necrosis de tejido peripancreático. Conclusiones: No hubo un impacto en la sobrevida a 5 años en pacientes con complicaciones infecciosas postoperatorias post gastrectomía con intención curativa. Sin embargo, más estudios adicionales deberían efectuarse. Objective: To determine the impact of postoperative infectious complications in the long term survival of patients gastrectomized for gastric carcinoma with curative intent. Materials and methods: The present cohort study evaluated a series of 79 patients diagnosed with resectable advanced gastric carcinoma with curative intent. They were grouped in: Group A (N=28): patients with postoperative infectious complications and Group B (N=51): patients who did not develop postoperative infectious complications. The study covered the years 2008-2013. Results: In group A, the survival rates at 1, 3 and 5 years was 74%, 74% and 47.6% respectively. In group B, the survival rates at 1, 3 and 5 years was 80.3%, 56% and 49.8% respectively (p=0.365). The main postoperative infectious complications not related to the surgical technique were pneumonia (20.3%), followed by urinary tract infection (3.8%). The main postoperative infectious complications related to surgical technique was sepsis (n=5), two of which were related to dehiscence esophagojejunal anastomosis, two bye gastroyeyunal fistula, another bye enterocutaneous fistula and one patient who presented abscess and necrosis peripancreatic’s tissue. Conclusions: There was no impact on survival at 5 years in patients with postoperative infectious complications after gastrectomy with curative intent. However, further studies should be carried over.
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- 2017
6. Impacto educativo de un programa de evaluación basada en el desempeño en los residentes de medicina del programa de segunda especialización de la universidad privada antenor orrego
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Díaz Plasencia, Juan Alberto and Gamarra Sánchez, Julio Elmer
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Educación médica, Mini-cex, Evaluación, Competencias, Desempeño, Dops, Formación, Prueba de progreso - Abstract
Objective: To investigate the impact of formative and reflective assessment on performance of residents according the Kirkpatrick’s model. Design: Cross-sectional study in which a survey was to sent to residents (nº total = 93, R1 = 72, R2 = 21) and mentors (nº= 34) of the Program of Second Specialization at the Antenor Orrego University. Each item was rated on a Likert scale of 5 points, and was considered relevant when respondents rated an item with an equal or higher average score of 4 (which indicated a positive attitude) and level 4 was evaluated considering net mortality and intrahospitalary rates in five academic hospitals in Trujillo, Peru, among 2012 and 2014. Results: The components of the corresponding portfolio to reflective and critical incidents and discussion of clinical cases obtained educational impact on levels 1, 2 and 3 in residents. Clinical mentors felt that progress tests, portfolios, mini-clinical evaluation exercise (mini-CEX) and direct observation of procedural skills (DOPS) had a positive effect on the performance of residents in levels 1, 2 and 3 of Kirkpatrick.The assessment system had impact on the level 4 of Kirkpatrick. Conclusions: It should encourage case-based discussion, reflective critical incidents and feedback components of virtual porfolio in order to improve the performance of residents and perfomance-based evaluation would have a positive impact in the level 4 of Kirkpatrick in reducing the rates of net mortality and nosocomial infections in academic hospitals. Objetivo: Determinar el impacto de un programa de evaluación basada en el desempeño de los residentes (EBD) utilizando el modelo de Kirkpatrick. Diseño: Estudio descriptivo tipo encuesta a residentes (nº=93; R1=72, R2=21) y tutores (n=34) del Programa de Segunda Especialización de la Universidad Privada Antenor Orrego (UPAO). Se consideró una actitud positiva cuando los encuestados calificaron un ítem con un promedio ≥ 4 en una escala Likert de 5 puntos para los niveles de Kirkpatrick 1 al 3 y el nivel 4 se midió evaluando las tasas de mortalidad neta e infecciones intrahospitalarias en cinco hospitales académicos de Trujillo, Perú entre los años 2012-2014. Resultados: La discusión de casos clínicos (CbD) e incidentes críticos (ICs) y la retroalimentación del portafolio virtual tuvieron impacto positivo en los residentes en los niveles 1 a 3 de Kirkpatrick. Los tutores consideraron que las pruebas de progreso, portafolio, ejercicio de evaluación mini-clínico (mini-CEX) y observación directa de habilidades procedimentales (DOPS) tuvieron un efecto positivo en el desempeño de los residentes en los niveles 1 a 3 de Kirkpatrick. La EBD tuvo impacto positivo en el nivel 4 de Kirkpatrick. Conclusiones: Se debe enfatizar la CbD, ICs y retroalimentación del portafolio virtual y en general la EBD tendría impacto en el nivel 4 de Kirkpatrick al mejorar la mortalidad neta e infecciones intrahospitalarias en hospitales académicos.
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- 2016
7. Confiabilidad y validez de un portafolio reflexivo en la evaluación sumativa y formativa de la práctica clínica de los estudiantes del capítulo de cirugía oncológica del curso de cirugía i de la universidad privada antenor orrego de Trujillo, semestre académico 2011-ii
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Díaz Plasencia, Juan Alberto and Sánchez Burga, Elva
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Educación médica, Evaluación, Confiabilidad, Pregrado, Validez, Portafolio - Abstract
This prospective correlational and descriptive study aimed to determine: the bivariate correlation among test scores of theoretical exam, clinical practice, virtual learning and objective structured clinical examination (OSCE) of the total series with portfolio; the regression equation to predict the score of portfolio from the theoretical and OSCE of chapter of surgical oncology; the correlation between self-reflective learning of portfolio with the final grade and portfolio scores with Inventory; and inter-rater reliability of the structure and its overall portfolio note. There was significant correlation between portfolio and theoretical examination (r=0.410, p=0.0001), clinical practice (r=0.258, p=0.003), virtual learning (r=0.260, p=0.003) and OSCE (r=0.204; p=0.020). The multiple linear regression analysis determined the regression equation to predict the score of portfolio and its relation to the theory test (p=0.001) and the OSCE of surgical oncology chapter (p=0.010). There was significant correlation between self-reflective learning (r=0.305, p=0.0001) with the final theoretical note of the course. The rater reliability of portfolio was significant in: clinical case (α=0.486, p=0.006), critical incident (α=0.702, p=0.0001), self-reflective learning (α=0.664, p=0.0001) and language structure (α=0.431, p=0.017). There was a correlation between the two raters with respect to the note of portfolio (α=0.67; p = 0.0001) and the test Inventory (α=0.632, p=0.001). The portfolio can be used in undergraduate because it is a reliable instrument and has predictive and concurrent validity, allowing students to reflect on their learning needs. Este estudio prospectivo correlacional-descriptivo tuvo como objetivos determinar: la correlación bivariada entre los puntajes del examen teórico, práctica clínica, aprendizaje virtual y examen clínico objetivo estructurado (ECOE) de la serie total con el portafolio; la ecuación de regresión para predecir el puntaje del portafolio a partir del examen teórico y ECOE de cirugía oncológica; la correlación entre el aprendizaje autorreflexivo del portafolio con la nota final del curso; los puntajes del portafolio con el Inventory y la confiabilidad inter-evaluador de la estructura del portafolio y de su nota global. Hubo correlación significativa entre el portafolio con el examen teórico (r=0.410; p=0.0001), práctica clínica (r=0.258; p=0.003), aprendizaje virtual (r=0.260; p=0.003) y ECOE (r=0.204; p=0.020). El análisis de regresión lineal múltiple determinó la ecuación de regresión para predecir el puntaje del portafolio y su relación con el examen teórico (p=0.001) y el ECOE de oncología (p=0.010). Hubo correlación significativa entre el aprendizaje autorreflexivo (r=0.305; p=0.0001) con la nota teórica final del curso. La confiabilidad interevaluador del portafolio fue significativa en: caso clínico (α=0.486; p=0.006), incidente crítico (α=0.702; p=0.0001), aprendizaje autorreflexivo (α=0.664; p=0.0001) y estructura del lenguaje (α=0.431; p=0.017). Hubo acuerdo aceptable entre los dos evaluadores con respecto a la nota del portafolio (α=0.67; p=0.0001) y con el test Inventory (α=0.632; p=0.001). El portafolio se puede utilizar en el pregrado porque es confiable y tiene validez predictiva y concurrente, permitiendo que el estudiante reflexione sobre sus necesidades de aprendizaje.
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- 2013
8. Trends in incidence and risk factors associated with the development of pancreatic cancer: Regional Institute of Neoplastic Diseases 'Dr. Luis Pinillos Ganoza'- IREN North. 2008 - 2011
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Laban Villanueva, Carlos Enrique, Díaz Plasencia, Juan Alberto, Yan Quiroz, Edgar Fermín, and Guevara Arrascue, José Luis
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Tendencias. Incidencia. Factores de riesgo. Cáncer de páncreas ,Pancreatic Cancer ,Risk factors ,Incidence ,Cáncer de pancreas ,Tendencias ,Trends ,Incidencia ,Factores de riesgo - Abstract
OBJETIVO. Determinar la tendencia en la incidencia e identificar los principales factores de riesgo asociados al desarrollo de cáncer de páncreas MATERIAL Y MÉTODOS. El presente estudio de tendencias de incidencia y de casos y controles, estuvo constituida por una población total 134 pacientes. Los pacientes fueron agrupados en: a) Casos: 67 pacientes con diagnóstico de cáncer de páncreas atendidos en el Servicio de Abdomen del Departamento de Cirugía Especializada del Instituto Regional de Enfermedades Neoplásicas "Dr. Luis Pinillos Ganoza" - IREN Norte durante el periodo 2008 al 2011; y b) Controles: 67 pacientes con diagnóstico de litiasis vesicular y/o patología biliar benigna atendidos en el Hospital Belén de Trujillo durante el periodo 2008 - 2011. RESULTADOS. La curva de tendencia de incidencia de cáncer de páncreas evidenció una curva casi constante a lo largo del tetraenio 2008 al 2011, siendo las tasas de incidencias de 5.38%, 5.08%, 5.5% y 5.0% respectivamente. La incidencia global acumulada fue de 5.3% atendidos. La función de tendencia fue Y = (-1.756) ± (0.001) (x); con un R2 = 0.318 (p = 0.436). Los principales factores de riesgo asociados a cáncer de páncreas fueron: edad mayor e igual a 60 años (p = 0.0001), sexo masculino (p = 0.007), diabetes mellitus (p = 0.002) y antecedente familiar de neoplasia maligna (p = 0.016). CONCLUSIONES. La tendencia de incidencia en cáncer pancreático fue baja y constante, y su aparición estuvo influenciada significativamente por la edad, género, y presencia de diabetes mellitus e historia familiar de cáncer. OBJECTIVE. To determine trends in the prevalence and identify the main risk factors associated with the development of pancreatic cancer. MATERIALS AND METHODS. Study of trends in incidence and case-control population consisted of a total of 134 patients. Patients were grouped into: a) Cases: 67 patients diagnosed with pancreatic cancer treated at the Abdomen’s Service of the Specialized Surgery Department of the Regional Institute of Neoplastic Diseases "Dr. Luis Pinillos Ganoza "- IREN North during the period 2008 to 2011; and b) Controls: 67 patients diagnosed with gallstones and / or benign biliary disease treated at Belen Hospital in Trujillo during the period 2008 to 2011. RESULTS. The trend curve of incidence of pancreatic cancer showed a curve almost constant throughout the quadrennium 2008 to 2011, with incidence rates of 5.38%, 5.08%, 5.5% and 5.0% respectively. The overall incidence was 5.37%. The trend function was Y = (1756) ± (0.001) (x), with an R2 = 0.318 (p = 0.436). The main risk factors associated with pancreatic cancer were age bigger and equal to 60 years (p = 0.0001), male sex (p = 0.007), diabetes mellitus (p = 0.002) and family history of malignancy (p = 0.016) CONCLUSIONS. The trend in incidence in pancreatic cancer was low and constant in its appearance was significantly influenced by age, gender, and presence of diabetes mellitus and family history of cancer.
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- 2012
9. Carcinoma avanzado del tercio proximal - medio del estómago: cuadro clínico-patológico y factores pronósticos de sobrevida
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Burgos-Chávez, Othoniel Abelardo, Díaz-Plasencia, Juan Alberto, Yan-Quiroz, Edgar Fermín, Vilela-Guillén, Edwin, Rojas-Vergara, Adrián Manuel, Caffo Mendo, Carlos, and Santillán Medina, Juan
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Carcinoma gástrico avanzado ,Factores pronósticos ,Advanced gastric carcinoma ,Prognosis factors ,Carcinoma gástrico avanzado. Factores pronósticos - Abstract
OBJETIVOS: Identificar el cuadro clínico-patológico y factores pronósticos de sobrevida quinquenal de pacientes con carcinoma gástrico avanzado del tercio proximal-medio (U-M) sometidos a gastrectomía con linfadenectomía limitada y extendida MATERIAL Y MÉTODOS: El presente estudio retrospectivo analizó información de una serie de 39 pacientes con diagnóstico histológico de adenocarcinoma gástrico avanzado del tercio superior y medio del estómago (U-M) y que fueron sometidos a gastrectomía con linfadenectomía limitada (D0-D1) y extendida (D2-D3) y en el Hospital Belén de Trujillo entre el 1° de enero de 1966 al 31 de diciembre del 2000. RESULTADOS. La edad promedio del grupo U-M fue de 55.56 + 16.24 años. Hubo 27 varones (69.2 %) y 12 mujeres (30.8 %) (proporción H:M= 2.3:1). Los síntomas más frecuentes fueron dolor abdominal (94.9%) y pérdida de peso (59.0%). El signo mas común fue la palidez (61.5%). Los factores pronósticos independientes estadísticamente relacionados con la sobrevida fueron: profundidad de la invasión T2 (p=0.017), presencia de metástasis a distancia (p=0.013), el estadío clínico I-II (p=0.005), lesiones Borrmann I- II(p=0.05)y la cirugía con intención curativa(p=0.003). La sobrevida actuarial en la serie total a los 5 años fue de 13.6%. CONCLUSIONES. La detección temprana y la disponibilidad de una gastrectomía con preservación de la cola del páncreas tendrían que ser considerados en pacientes con carcinoma gástrico avanzado del tercio proximal y medio y así mejorar su sobrevida. PURPOSE: To identify the clinical and pathological characteristics and prognosis factors for five-year survival in patients with advanced gastric carcinoma in the proximal third and half of the stomach undergoing gastrectomy with limited and extended lymphadectomy. MATERIAL AND METHODS: This retrospective study analyzed information from 39 patients with histological diagnosis of advanced gastric adenocarcinoma in the upper third and half of the stomach (U-M) who underwent gastrectomy with limited (D0-D1) and extended (D2-D3) lymphadectomy at the Belén Hospital in Trujillo between January 1, 1966 and December 31, 2000. RESULTS: The mean age of the U-M group was 55.56±16.24 years. There were 27 males (69.2%) and 12 females (30.8%) (M:F ratio was 2.3:1). The most frequent symptoms were abdominal pain (94.9%) and weight loss (61.5%). The most common evidence was pallor (61.5%). The independent prognosis factors statistically related to survival were: depth of T2 invasion (p=0.017), presence of remote metastasis (p=0.013), clinic stage I-II (p=0.005), Borrmann lesions I-II (p=0.05) and surgery with healing intention (p=0.003). The actuarial 5-year survival rate for all the series reached 13.6%. CONCLUSIONS: Early detection and the feasibility of gastrectomy with preservation of the pancreas tail should be considered in patients with advanced gastric carcinoma in the proximal third and half of the stomach in order to improve their survival.
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- 2004
10. Factores pronósticos de sobrevida quinquenal de pacientes con carcinoma gástrico avanzado resecable con serosa expuesta
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Yan-Quiroz, Edgar Fermín, Díaz-Plasencia, Juan Alberto, Burgos-Chávez, Othoniel Abelardo, Rojas-Vergara, Adrián Manuel, Santillán-Medina, Juan, Vilela-Guillén, Edwin Stewart, and Balmaceda-Fraselle, Thierry
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serosa exposed ,Carcinoma gástrico avanzado ,Carcinoma gástrico avanzado. Serosa expuesta. Factores pronósticos. Sobrevida ,Sobrevida ,Factores pronósticos ,Advanced gastric carcinoma ,survival ,Serosa expuesta ,prognosis factors - Abstract
OBJETIVOS: Identificar los principales factores pronósticos de sobrevida quinquenal en pacientes con carcinoma gástrico avanzado resecable con serosa expuesta sometidos a gastrectomía radical con linfadenectomía limitada y extendida. MATERIAL Y MÉTODOS: Este estudio retrospectivo evalúo 137 pacientes con adenocarcinoma gástrico avanzado resecable con serosa expuesta atendidos en el Hospital Belén, Trujillo, Perú, entre 1991 y 2000. RESULTADOS: La edad media de la serie total fue de 58.1± 14.8 años (límites, 20 a 84 años). La presente serie estuvo constituida por 137 pacientes, de los cuales 77 (56.2%) fueron varones y 60 (43.8%) mujeres (proporción M:F, 1.3:1). En el análisis univariado, usando el test de log-rank, las siguientes variables estuvieron asociadas significativamente con la sobrevida quinquenal: ausencia de masa palpable (p= 0.0308), hemoglobina sérica mayor o igual a 10 g/dl (p= 0.05), neoplasias ubicadas en el tercio distal del estómago (p=0.0001), estado ganglionar regional N0-N1 (p=0.03), estadio clínico II (p=0.0327), disección ganglionar D2-D3 (p= 0.0366) y cirugía con intención curativa (p= 0.000). La tasa de sobrevida actuarial de toda la serie a los 5 años fue de 16.3%. En el grupo sometido a linfadenectomía D0-D1 (n= 105) la sobrevida a los 5 años fue de 12.6%; en cambio en el grupo sometido a D2-D3 (n= 32) fue de 30.2% (p= 0.0366). En los pacientes que tuvieron cirugía con intención curativa (n= 56) la sobrevida quinquenal fue de 33.4% respectivamente y los que tuvieron resección paliativa (n= 81) fue 3.1% (p< 0.0001). CONCLUSIONES: La detección precoz, la disponibilidad de resección curativa y el uso de linfadenectomía extendida son factores que influyen en la sobrevida; parámetros que deberían ser considerados para la estratificación de pacientes y su posterior tratamiento adyuvante postoperatorio. Purpose: To identify the main five-year survival prognosis factors in patients with resectable advanced serosa exposed gastric carcinoma, who have undergone radical gastric resection with limited and extended lymphadenectomy. Material and methods: This restrospective study examined 137 patients with resectable advanced serosa exposed gastric carcinoma, in the Belén Hospital, Trujillo, Peru, between 1991 and 2000. Results: The average age of the total series was 58.1 °" 14.8 year (ranging from 20 to 84 years). This series was formed by 137 patients, of which 77 (56.2%) were male and 60 (43.8%) were female (M:F ratio = 1.3:1). The univaried analysis using the log-rank test, showed that the following variables were significantly associated with five-year survival: lack of palpable mass (p=0.0308), serum haemoglobin concentration of 10 g/dl or higher (p=0.05) neoplasias located in the distal third of the stomach (p=0.0001) regional ganglionic condition N0-N1 (p=0.03), clinical stage II (p=0.0327) ganglionic dissection D2-D3 (p=0.0366) and curative intended surgery (p=0.000). The actual survival rate of the entire series after 5 years was of 16.3%. In the group subjected to lymphadenectomy D0-D1 (n=105) survival rate after 5 years was of 12.6%, while in the group subjected to D2-D3 (n=32) it was of 30.2% (p=0.0366). Five-year survival rate in patients who underwent curative intended surgery (n=56) was of 33.4% and those who had palliative surgery (n=81) had a five-year survival rate of 3.1% (p=0.000). Conclusions: Early detection, availability of curative surgery and the use of extended lymphadenectomy are factors that have an influence on the survival rate. These parameters should be considered for the staging of patients and their subsequent post-surgery assisting treatment.
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- 2003
11. Validez del poder mecánico como predictor de mortalidad en pacientes críticos con ventilación mecánica invasiva prolongada
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Vásquez Tirado, Gustavo Adolfo and Díaz Plasencia, Juan Alberto
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purl.org/pe-repo/ocde/ford#3.02.27 [http] ,Potencia Mecánica ,Síndrome de Distrés Respiratorio Agudo - Abstract
La ventilación mecánica invasiva como estrategia terapéutica no está exenta de complicaciones. Es imperativo tener parámetros de ventilación protectiva en aquellos pacientes que están sometidos a ello. OBJETIVO: Demostrar si la potencia mecánica como parámetro ventilatorio tiene validez pronóstica de mortalidad en pacientes críticos con ventilación mecánica invasiva prolongada. MATERIAL Y MÉTODO: Se realizó un estudio transversal analítico de pacientes críticos en ventilación mecánica invasiva prolongada debido a Síndrome de Distrés Respiratorio Agudo por COVID-19 que ingresaron a la Unidad de Cuidados Intensivos del Hospital Regional Docente de Trujillo durante el periodo de marzo 2020 a mayo del 2021. RESULTADOS: La potencia mecánica, como parámetro ventilatorio, se asocia a mortalidad (RPa 1.061; IC 95% 1.037-1.085; p=0.00) al igual que la presión plateau y siendo la driving pressure y compliance estática factores protectores para mortalidad. CONCLUSIÓN: La potencia mecánica como parámetro ventilatorio tiene validez pronóstica para mortalidad en pacientes críticos con ventilación mecánica invasiva por síndrome de distrés respiratorio agudo severo por COVID-19. Invasive mechanical ventilation as a therapeutic strategy is not without complications. It is imperative to have protective ventilation parameters in those patients who are subjected to it. OBJECTIVE: To demonstrate whether mechanical power as a ventilatory parameter has prognostic validity for mortality in critically ill patients with prolonged invasive mechanical ventilation. MATERIAL AND METHOD: An analytical cross-sectional study was carried out of critically ill patients on prolonged invasive mechanical ventilation due to Acute Respiratory Distress Syndrome due to COVID 19 who were admitted to the Intensive Care Unit of the Hospital Regional de Trujillo during the March 2020 to May 2021 period. RESULTS: Mechanical power, as a ventilatory parameter, is associated with mortality (RPa 1.061; 95% CI 1.037-1.085; p = 0.00) as well as plateau pressure, and driving pressure and static compliance are protective factors for mortality. CONCLUSION: Mechanical power as a ventilatory parameter has prognostic validity for mortality in critically ill patients with invasive mechanical ventilation due to severe acute respiratory distress syndrome due to COVID-19 Tesis
- Published
- 2022
12. Factores de riesgo asociados al retardo del crecimiento intrauterino centro de salud materno infantil Chicama enero 2008 – diciembre 2018
- Author
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Vera Quipuzco, Jorge Luis and Díaz Plasencia, Juan Alberto
- Subjects
Factor de riesgo ,Recién nacido ,purl.org/pe-repo/ocde/ford#3.02.27 [http] ,Recién nacido con RCIU - Abstract
OBJETIVO: Identificar los factores de riesgo asociados a la restricción del crecimiento intrauterino (RCIU). MATERIAL Y MÉTODOS :Se realizó un estudio de casos y controles en 260 gestantes del servicio de Obstetricia del Centro Materno Infantil de Chicama durante el período enero 2008 y diciembre 2018, 130 pacientes pertenecieron al grupo de los casos de gestantes cuyo neonato fue RCIU y 130 al grupo de controles con neonato sin RCIU .En el análisis estadístico se aplicó la prueba chi-cuadrado para comparar la influencia de los factores de riesgo materno (edad materna adolescente, anemia ,infección urinaria, hipertensión gestacional), factores obstétricos (paridad, control prenatal y edad gestacional) asociados a RCIU y también se aplicó el análisis multivariado con regresión logística binaria y la curva ROC. RESULTADOS: El promedio de edad de los casos fue de 26.75±7.34 años y de los controles fue de 26.15±2.90 años. Se encontró asociación para la variable prenatal (OR=3.758, p
- Published
- 2021
13. Tendencias del cáncer y su relación con factores sociodemográficos y estilos de vida en pacientes oncológicos de un instituto especializado
- Author
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García Mariños, Octavio and Díaz Plasencia, Juan Alberto
- Subjects
Estilos de vida ,Pacientes oncológicos ,Factores sociodemográficos - Abstract
El cáncer, es una enfermedad que puede afectar a todo tipo de personas, son pocos los estudios referentes a la relación de las tendencias, factores sociodemográficos y estilos de vida, razón por lo que se realizó la presente investigación. Fue un estudio de tipo observacional, longitudinal, de diseño correlacional, para ello, se revisaron 358 historias clínicas de pacientes con cáncer de cérvix, mama, estomago, piel, próstata y colon que comprende el periodo desde el 2012 al 2016 en el IREN-NORTE. En los resultados, según las curvas de tendencia se encontraron que el cáncer de cérvix, mama, estomago, en los últimos años tienen inclinación hacia abajo, mientras que el cáncer de piel, próstata y colon presentan inclinación hacia arriba. Al relacionar factores sociodemográficos, estilos de vida y tipos de cáncer, al aplicar Chi cuadrado X2 todos presentaron significancia por debajo de p
- Published
- 2019
14. Factores de riesgo para trabajo de parto anormal
- Author
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Liu Palacios, Segundo Humberto and Díaz Plasencia, Juan Alberto
- Subjects
Distocia, Factores de riesgo, Análisis multivariable - Abstract
The objective was to identify risk factors that place a term patient in labor at risk for dystocia. It was a case – control, chart review study of 300 patients presenting in labor at term with singleton vertex fetuses with either abnormal (100 cases) or normal labor (200 controls). Multiple logistic regression was used to identify independent risk factors for dystocia, and a model for predicting risk was built and evaluated. A Receiver Operating Characteristics (ROC) curve was drawn to evaluate discrimination. In multiple logistic regression analysis the following characteristics at admission were associated with labor dystocia: nuliparity (OR=5,54, CI 95% = 3,02 – 10,16); maternal age
- Published
- 2011
15. Cierre primario y cierre terciario en la infección del sitio operatorio incisional por apendicitis aguda complicada
- Author
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Pinedo Sevillano, Jessicka Natalie and Díaz Plasencia, Juan Alberto
- Subjects
Cierre primario, Cierre terciario, Infección del sitio operatorio incisional, Apendicitis aguda complicada - Abstract
The objective of this experimental research was to know if primary closure is more effective than tertiary closure to reduce the incidence of incisional surgical site infection by complicated acute appendicitis (gangrenous or perforated). This study was carried out at the Hospital Provincial Docente Belen of Lambayeque, in patients operated since 01/09/2007 until 31/05/09, with these characteristics: Patients 10-40 years old, gangrenous or perforated cecal appendix, pre and postoperative antibiotic therapy with amikacin and metronidazole, transverse incision on right lower quadrant of abdomen, irrigation of the wound with pressure, intraoperatively with NaCl 9°/oo (500 to 1000 cc), it was used for fascia and skin closure, the monofilament nylon. Patients were divided in two groups, the first was treated with primary wound closure, and the second group with tertiary wound closure from 5th postoperative day. The sample consisted of 36 patients in each group, randomly chosen, and the team of surgeons was the same for both groups. For data analysis was applied the Z test for the difference of proportions in patients with incisional surgical site infection in each treatment, it was also used the X2 test for categorical variables and the Fisher's exact test; if p0,05). The study didn’t determine that primary closure is more effective than tertiary closure to reduce the incidence of incisional surgical site infection by complicated acute appendicitis. El objetivo del presente trabajo de investigación, tipo experimental, fue determinar si el cierre primario es más eficaz que el cierre terciario en disminuir la incidencia de infección del sitio operatorio incisional por apendicitis aguda complicada (gangrenada o perforada). Estudio realizado en el Hospital Provincial Docente Belén de Lambayeque, en pacientes operados entre el 01/09/2007 al 31/05/09, con las siguientes características: 10 a 40 años de edad, apéndice cecal gangrenado o perforado, terapia antibiótica pre y post operatoria con amikacina y metronidazol, incisión transversa en el cuadrante inferior derecho del abdomen, irrigación a presión de la herida intraoperatoriamente con ClNa 9°/oo (500 a 1000 cc), para el cierre de aponeurosis y piel se utilizó el monofilamento nylon. Los pacientes fueron divididos en dos grupos, el primero tratado con cierre primario de la herida operatoria y el segundo grupo, con cierre terciario realizado a partir del 5° día postoperatorio. La muestra estuvo constituida por 36 pacientes para cada grupo, seleccionados aleatoriamente, siendo el equipo de cirujanos el mismo para ambos. Para el análisis de los datos se aplicó la prueba Z para diferencia de proporciones de pacientes que presentaron infección del sitio operatorio incisional en cada uno de los tratamientos, además se utilizó la prueba X2 para variables categóricas y la prueba exacta de Fisher; si p < 0,05 la diferencia se consideró significativa. La incidencia de infección del sitio operatorio incisional en el grupo con cierre primario fue 19,44% y en el grupo con cierre terciario 27,78% (p>0,05). El estudio no demostró que el cierre primario es más eficaz que el cierre terciario en disminuir la incidencia de infección del sitio operatorio incisional por apendicitis aguda complicada.
- Published
- 2010
16. Eficiencia de la cirugia mayor ambulatoria y hospitalaria en artroscopia de rodilla
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Vargas Morales, Renán Estuardo and Díaz Plasencia, Juan Alberto
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Ambulatoria, Artroscopía, Hospitalaria, Eficiencia - Abstract
Introduction: The meniscus and ligament knee pathology is common and the most require arthroscopic treatment. The health management is interested in optimize resources and improve the care quality. Objective: To determine the outpatient surgery and hospital efficiency in knee arthroscopy. Material and methods: A quasi-experimental research, during the period September 2007 - December 2008. It is based in the efficiency of knee inpatient and outpatient arthroscopy in the Traumatology Service of the Victor Lazarte Echegaray Hospital. The investigation considered 36 patients in each group, over 18 years of age. Results: The morbidity is low, the patient functionality and satisfaction is good and very good, respectively. These aspects are not statistically significant. However, the cost of outpatient arthroscopy allows a 34,5% saving compared to the hospital one. The saving achieved is an important factor to recommend it’s frequently use. Conclusions: The outpatient surgery is more efficient than the hospital for knee arthroscopy. Introducción: La patología de rodilla meniscal y ligamentaria es frecuente, y la mayoría requiere tratamiento artroscópico. Existe interés de la gestión sanitaria para optimizar recursos y mejorar la calidad asistencial. Objetivo: Determinar la eficiencia de la cirugía mayor ambulatoria y hospitalaria en artroscopía de rodilla. Material y métodos: Estudio cuasi experimental, en el periodo Septiembre 2007- Diciembre 2008, basado en el análisis de la eficiencia de la artroscopía ambulatoria y hospitalaria de rodilla en el servicio de traumatología del Hospital Víctor Lazarte Echegaray. Se estudiaron 36 pacientes en cada grupo, mayores de 18 años de edad. Resultados: La morbilidad es muy baja, la funcionalidad y satisfacción del paciente buena y muy buena. Estos aspectos no tienen diferencia estadísticamente significativa. Sin embargo, el costo de la artroscopía ambulatoria permite un ahorro de 34,5% en comparación al hospitalario. El ahorro logrado es un factor importante para recomendar su utilización habitual. Conclusiones: La cirugía mayor ambulatoria es más eficiente que la hospitalaria en artroscopía de rodilla.
- Published
- 2009
17. Prognostic factors of postoperative morbidity in surgery for resectable pancreatic cancer. Regional institute of neoplastic diseases 'Dr. Luis Pinillos Ganoza' IREN Norte. 2007-2022.
- Author
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Guzmán-Aponte A, Díaz-Plasencia JA, Yan-Quiroz EF, and Tenazoa-Villalobos JR
- Abstract
Objective: To determine the prognostic factors associated with postoperative morbidity for resectable pancreatic cancer at the Instituto Regional de Enfermedades Neoplásicas del Norte 'Dr. Luis Pinillos Ganoza' - IREN Norte. 2007-2022., Materials and Methods: A study was conducted with a case-based (22 patients) and control (14 patients) design nested in a cohort that included 36 patients who underwent proximal duodenopancreatectomy (Whipple) or distal pancreatectomy for pancreatic cancer., Results: In the present study, it was found that the total number of living patients represents 86.1% of the total (36 patients). Of the total population, patients who presented only 1 complication were 13.6% and more than 1 complication were 86.4%. It was also found that the most frequent complication in the general population was gastric emptying syndrome, which was present in 50% of all patients. In the bivariate analysis, a highly significant association was observed between the low prognostic nutritional index ( p < 0.001, OD = 20.400, CI = 95%: (3.377-123.245)), the type of pancreatic resection ( p < 0.001, OR = 52.500, CI = 95%: (5.174-532.669)) and postoperative morbidity. In contrast, no significant association was found between age ≥65 ( p = 0.062), diabetes mellitus ( p < 0.908), Wirsung diameter ( p < 0.432), hospital stay ( p < 0.075) and postoperative morbidity. In the multivariate analysis, serum total bilirubin level ≥20 μmol/L ( p = 0.778), use of preoperative biliary drainage ( p = 0.176), type of pancreatojejunal anastomosis ( p = 0.533) and pancreaticogastric anastomosis ( p = 0.504) were not statistically significantly associated with postoperative morbidity., Conclusion: The type of pancreatic resection and the nutritional prognostic index <40.5 are prognostic factors of postoperative morbidity in postoperative patients for resectable pancreatic cancer., Competing Interests: Non-financial conflicts of interest in the publication of this article., (© the authors; licensee ecancermedicalscience.)
- Published
- 2024
- Full Text
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18. [Impact of infectious postoperative complications in the long term survival of patients gastrectomized for gastric carcinoma with curative intent].
- Author
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Salazar Abad SE, Díaz Plasencia JA, Yan-Quiroz EF, Calvanapon Prado P, Marín-Córdova N, and Churango Barreto K
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- Adult, Aged, Aged, 80 and over, Case-Control Studies, Female, Follow-Up Studies, Humans, Infections etiology, Male, Middle Aged, Risk Factors, Survival Rate, Gastrectomy, Infections mortality, Postoperative Complications mortality, Stomach Neoplasms mortality, Stomach Neoplasms surgery
- Abstract
Objective: To determine the impact of postoperative infectious complications in the long term survival of patients gastrectomized for gastric carcinoma with curative intent., Materials and Methods: The present cohort study evaluated a series of 79 patients diagnosed with resectable advanced gastric carcinoma with curative intent. They were grouped in: Group A (N=28): patients with postoperative infectious complications and Group B (N=51): patients who did not develop postoperative infectious complications. The study covered the years 2008-2013., Results: In group A, the survival rates at 1, 3 and 5 years was 74%, 74% and 47.6% respectively. In group B, the survival rates at 1, 3 and 5 years was 80.3%, 56% and 49.8% respectively (p=0.365). The main postoperative infectious complications not related to the surgical technique were pneumonia (20.3%), followed by urinary tract infection (3.8%). The main postoperative infectious complications related to surgical technique was sepsis (n=5), two of which were related to dehiscence esophagojejunal anastomosis, two bye gastroyeyunal fistula, another bye enterocutaneous fistula and one patient who presented abscess and necrosis peripancreatic's tissue., Conclusions: There was no impact on survival at 5 years in patients with postoperative infectious complications after gastrectomy with curative intent. However, further studies should be carried over.
- Published
- 2017
19. [Trends in incidence and risk factors associated with the development of pancreatic cancer. Regional Institute of Neoplastic Diseases "Dr. Luis Pinillos Ganoza "- Iren North. 2008 - 2011].
- Author
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Laban Villanueva CE, Díaz Plasencia JA, Yan Quiroz EF, and Guevara Arrascue JL
- Subjects
- Adult, Age Factors, Aged, Case-Control Studies, Diabetes Mellitus, Type 2 complications, Female, Humans, Incidence, Male, Middle Aged, Peru epidemiology, Risk Factors, Sex Factors, Pancreatic Neoplasms epidemiology, Pancreatic Neoplasms etiology
- Abstract
Objective: To determine trends in the prevalence and identify the main risk factors associated with the development of pancreatic cancer., Materials and Methods: Study of trends in incidence and case-control population consisted of a total of 134 patients. Patients were grouped into: a), Cases: 67 patients diagnosed with pancreatic cancer treated at the Abdomen's Service of the Specialized Surgery Department of the Regional Institute of Neoplastic Diseases "Dr. Luis Pinillos Ganoza "- IREN North during the period 2008 to 2011; and b), Controls: 67 patients diagnosed with gallstones and / or benign biliary disease treated at Belen Hospital in Trujillo during the period 2008 to 2011., Results: The trend curve of incidence of pancreatic cancer showed a curve almost constant throughout the quadrennium 2008 to 2011, with incidence rates of 5.38%, 5.08%, 5.5% and 5.0% respectively. The overall incidence was 5.37%. The trend function was Y = (1756) ± (0.001) (x), with an R2 = 0.318 (p = 0.436). The main risk factors associated with pancreatic cancer were age bigger and equal to 60 years (p = 0.0001), male sex (p = 0.007), diabetes mellitus (p = 0.002) and family history of malignancy (p = 0.016)., Conclusions: The trend in incidence in pancreatic cancer was low and constant in its appearance was significantly influenced by age, gender, and presence of diabetes mellitus and family history of cancer.
- Published
- 2012
20. [Advanced gastric carcinoma in the proximal third and half of the stomach: clinical and pathological characteristics and survival prognosis factors].
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Burgos-Chávez OA, Díaz-Plasencia JA, Yan-Quiroz EF, Vilela-Guillén E, Rojas-Vergara AM, Caffo-Mendo C, and Santillán-Medina J
- Subjects
- Adult, Age Factors, Aged, Data Interpretation, Statistical, Female, Gastrectomy, Humans, Liver Neoplasms secondary, Lymph Node Excision, Male, Middle Aged, Prognosis, Sex Factors, Time Factors, Adenocarcinoma diagnosis, Adenocarcinoma mortality, Adenocarcinoma surgery, Stomach Neoplasms diagnosis, Stomach Neoplasms mortality, Stomach Neoplasms surgery
- Abstract
Purpose: To identify the clinical and pathological characteristics and prognosis factors for five-year survival in patients with advanced gastric carcinoma in the proximal third and half of the stomach undergoing gastrectomy with limited and extended lymphadectomy., Material and Methods: This retrospective study analyzed information from 39 patients with histological diagnosis of advanced gastric adenocarcinoma in the upper third and half of the stomach (U-M) who underwent gastrectomy with limited (D0-D1) and extended (D2-D3) lymphadectomy at the Belén Hospital in Trujillo between January 1, 1966 and December 31, 2000., Results: The mean age of the U-M group was 55.56+/-16.24 years. There were 27 males (69.2%) and 12 females (30.8%) (M:F ratio was 2.3:1). The most frequent symptoms were abdominal pain (94.9%) and weight loss (61.5%). The most common evidence was pallor (61.5%). The independent prognosis factors statistically related to survival were: depth of T2 invasion (p=0.017), presence of remote metastasis (p=0.013), clinic stage I-II (p=0.005), Borrmann lesions I-II (p=0.05) and surgery with healing intention (p=0.003). The actuarial 5-year survival rate for all the series reached 13.6%., Conclusions: Early detection and the feasibility of gastrectomy with preservation of the pancreas tail should be considered in patients with advanced gastric carcinoma in the proximal third and half of the stomach in order to improve their survival.
- Published
- 2004
21. [Prognosis significance of the TNM clinic stage for five year survival time in primary carcinoma of the gallbladder].
- Author
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Arbayza-Avalos YK, Díaz-Plasencia JA, Segura-Plasencia NM, and Yan-Quiroz EF
- Subjects
- Actuarial Analysis, Adult, Aged, Aged, 80 and over, Data Interpretation, Statistical, Female, Gallbladder pathology, Gallbladder Neoplasms surgery, Humans, Longitudinal Studies, Lymphatic Metastasis, Male, Middle Aged, Neoplasm Metastasis, Neoplasm Staging, Prognosis, Survival Analysis, Time Factors, Gallbladder Neoplasms mortality, Gallbladder Neoplasms pathology
- Abstract
Purpose: To determine the prognosis significance of the TNM clinic stage and the five-year survival rate of patients with primary carcinoma of the gallbladder., Material and Methods: A descriptive, longitudinal, observational study with a single-box empirical design that evaluated 71 patients with gallbladder cancer who had surgical resection of the neoplasia in the Belén Hospital in Trujillo, Peru between 1966 and 2000., Results: The mean age of the total series was 61.6+/-12.04 years (ranging from 33 to 88 years). Most of the patients belonged to the age group of 60 years or older (56.3%). Ten patients were males (14.1%) and 61 were females (85.9%), with a M:F ratio of 1:6.1. In the univariate analysis using the log-rank test, the following variables were significantly related to a five-year survival time: primary tumor (p=0.0001), regional ganglionic condition (p=0.0038), clinic stage (p=0.00001). The actuarial survival rate of all the series at 12, 36, and 60 months was 30%, 14.1%, and 11.3%, respectively., Conclusions: The prognosis factors significantly related to five-year survival were: primary tumor (p=0.0001), regional ganglionic condition (p=0.0038) and clinic stage (p=0.00001). The actuarial survival rate of all the series at 12, 36, and 60 months was 30%, 14.1%, and 11.3%, respectively.
- Published
- 2004
22. [Five-year survival prognosis factors in patients with resectable advanced serosa exposed gastric carcinoma].
- Author
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Yan-Quiroz EF, Díaz-Plasencia JA, Burgos-Chávez OA, Rojas-Vergara AM, Santillán-Medina J, Vilela-Guillén ES, and Balmaceda-Fraselle T
- Subjects
- Adult, Aged, Aged, 80 and over, Female, Gastrectomy methods, Gastric Mucosa surgery, Humans, Male, Middle Aged, Multivariate Analysis, Neoplasm Staging, Prognosis, Retrospective Studies, Stomach Neoplasms pathology, Stomach Neoplasms surgery, Survival Rate, Treatment Outcome, Gastric Mucosa pathology, Stomach Neoplasms mortality
- Abstract
Purpose: To identify the main five-year survival prognosis factors in patients with resectable advanced serosa exposed gastric carcinoma, who have undergone radical gastric resection with limited and extended lymphadenectomy., Material and Methods: This retrospective study examined 137 patients with resectable advanced serosa exposed gastric carcinoma, in the Belén Hospital, Trujillo, Peru, between 1991 and 2000., Results: The average age of the total series was 58.1 +/- 14.8 year (ranging from 20 to 84 years). This series was formed by 137 patients, of which 77 (56.2%) were male and 60 (43.8%) were female (M:F ratio=1.3:1). The univariate analysis using the log-rank test, showed that the following variables were significantly associated with five-year survival: lack of palpable mass (p=0.0308), serum haemoglobin concentration of 10 g/dl or higher (p=0.05) neoplasias located in the distal third of the stomach (p=0.0001) regional ganglionic condition N0-N1 (p=0.03), clinical stage II (p=0.0327) ganglionic dissection D2-D3 (p=0.0366) and curative intended surgery (p=0.000). The actual survival rate of the entire series after 5 years was of 16.3%. In the group subjected to lymphadenectomy D0-D1 (n=105) survival rate after 5 years was of 12.6%, while in the group subjected to D2-D3 (n=32) it was of 30.2% (p=0.0366). Five-year survival rate in patients who underwent curative intended surgery (n=56) was of 33.4% and those who had palliative surgery (n=81) had a five-year survival rate of 3.1% (p=0.000)., Conclusions: Early detection, availability of curative surgery and the use of extended lymphadenectomy are factors that have an influence on the survival rate. These parameters should be considered for the staging of patients and their subsequent post-surgery assisting treatment.
- Published
- 2003
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