Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 10 de 10
Filtrar
Más filtros

Banco de datos
Tipo del documento
Intervalo de año de publicación
1.
Ann Surg Oncol ; 26(Suppl 3): 887-888, 2019 12.
Artículo en Inglés | MEDLINE | ID: mdl-31313031

RESUMEN

In the original article, there were errors in Table 1 that were not in accordance with requirements set by the Healthcare Cost and Utilization Project (HCUP) Data Use Agreement that apply to this article. Following is the corrected Table 1.

2.
Ann Surg Oncol ; 26(9): 2684-2693, 2019 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-31187361

RESUMEN

BACKGROUND: Few studies have evaluated the effect of primary language on surgical outcomes, and no studies have addressed operations typically performed for cancer diagnoses. This study aimed to determine the effect of primary languages other than English on outcomes after surgical oncology operations. METHODS: This study retrospectively analyzed adults undergoing operations typically performed to treat cancer using the NJ Healthcare Cost and Utilization Project State Inpatient Database during the interval of 2009-2014. Language was grouped according to English-, Spanish-, and non-English/non-Spanish (NENS)-speaking groups. The study evaluated in-hospital mortality, 7-day readmission, and hospital length of stay (LOS). Logistic and negative binomial regression methods were applied, and generalized linear mixed models were used to account for nesting within a hospital. RESULTS: This study analyzed 37,531 cases. Non-English speakers were of lower economic status, more likely to be admitted on the weekend, and more likely to undergo higher-risk operations. The likelihood of death in the risk-adjusted multi-level models did not differ between Spanish speakers (odds ratio [OR], 0.67; 95% confidence interval [CI], 0.41-1.10) and NENS speakers (OR, 1.16; 95% CI, 0.77-1.75). Readmission rates exhibited high inter-hospital variability (intra-class correlation, 53%). The odds of readmission among Spanish speakers in the non-hierarchical model was increased (OR, 1.50; 95% CI, 1.11-2.02), but this was ameliorated in the multilevel modeling that accounted for variability between hospitals (OR, 1.29; 95% CI, 0.93-1.80). No changes in LOS were observed. CONCLUSIONS: No independent association was observed between primary language and outcomes after operations typically performed to treat cancer in the study population. The higher proportion of weekend admissions may suggest more acute or advanced presentations for non-English speakers. Long-term outcomes may be necessary to discern an impact.


Asunto(s)
Bases de Datos Factuales , Etnicidad/estadística & datos numéricos , Mortalidad Hospitalaria/tendencias , Hospitalización/estadística & datos numéricos , Lenguaje , Tiempo de Internación/estadística & datos numéricos , Neoplasias/mortalidad , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Neoplasias/patología , Neoplasias/cirugía , Pronóstico , Estudios Retrospectivos , Factores Socioeconómicos , Tasa de Supervivencia
3.
Breast J ; 18(1): 58-64, 2012.
Artículo en Inglés | MEDLINE | ID: mdl-22098389

RESUMEN

With the increases in complexity of care for breast health concerns, there is a growing need for efficient and effective clinical evaluation, especially for vulnerable populations at risk for poor outcomes. The Breast Health Center at Boston Medical Center is a multidisciplinary program, with internists providing care alongside breast surgeons, radiologists, and patient navigators. Using a triage system previously shown to have high provider and patient satisfaction, and the ability to provide timely care, patients are assigned to either a breast surgeon or internist. From 2007 to 2009, internists cared for 2,408 women, representing half of all referrals. Women served were diverse in terms of race (33% black, 30% Hispanic, 5% Asian), language (34% require language interpreter), and insurance status (51% had no insurance or public insurance). Most presented with an abnormal screen (breast examination 54% or imaging 4%) while the remainder were seen for symptoms such as pain (26%), non-bloody nipple discharge (4%), or risk assessment (7%). A majority of final diagnoses were made through clinical evaluation alone (n = 1,760, 73%), without the need for additional diagnostic imaging or tissue sampling; 9% (n = 214) received a benign diagnosis with the aid of breast imaging; 19% (n = 463) required tissue sampling. Only 4% went on to see a breast surgeon. Internists diagnosed 15 incident cancers with a median time to diagnosis of 19 days. Patient and provider satisfaction was high. These data suggest that a group of appropriately trained internists can provide quality breast care to a vulnerable population in a multidisciplinary setting. Replication of this model requires the availability of more clinical training programs for non-surgical providers.


Asunto(s)
Neoplasias de la Mama/diagnóstico , Servicios de Diagnóstico/organización & administración , Detección Precoz del Cáncer/métodos , Medicina Interna , Grupo de Atención al Paciente/organización & administración , Servicios de Salud para Mujeres/organización & administración , Adolescente , Adulto , Anciano , Actitud del Personal de Salud , Neoplasias de la Mama/prevención & control , Servicios de Diagnóstico/normas , Servicios de Diagnóstico/estadística & datos numéricos , Detección Precoz del Cáncer/normas , Detección Precoz del Cáncer/estadística & datos numéricos , Femenino , Humanos , Comunicación Interdisciplinaria , Medicina Interna/educación , Persona de Mediana Edad , Evaluación de Procesos y Resultados en Atención de Salud , Grupo de Atención al Paciente/normas , Satisfacción del Paciente , Triaje , Servicios de Salud para Mujeres/normas , Servicios de Salud para Mujeres/estadística & datos numéricos , Adulto Joven
4.
Am J Pathol ; 175(3): 1292-302, 2009 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-19700746

RESUMEN

Proliferative breast lesions, such as simple ductal hyperplasia (SH) and atypical ductal hyperplasia (ADH), are candidate precursors to ductal carcinoma in situ (DCIS) and invasive cancer. To better understand the relationship of breast lesions to more advanced disease, we used microdissection and DNA microarrays to profile the gene expression of patient-matched histologically normal (HN), ADH, and DCIS from 12 patients with estrogen receptor positive sporadic breast cancer. SH were profiled from a subset of cases. We found 837 differentially expressed genes between DCIS-HN and 447 between ADH-HN, with >90% of the ADH-HN genes also present among the DCIS-HN genes. Only 61 genes were identified between ADH-DCIS. Expression differences were reproduced in an independent cohort of patient-matched lesions by quantitative real-time PCR. Many breast cancer-related genes and pathways were dysregulated in ADH and maintained in DCIS. Particularly, cell adhesion and extracellular matrix interactions were overrepresented. Focal adhesion was the top pathway in each gene set. We conclude that ADH and DCIS share highly similar gene expression and are distinct from HN. In contrast, SH appear more similar to HN. These data provide genetic evidence that ADH (but not SH) are often precursors to cancer and suggest cancer-related genetic changes, particularly adhesion and extracellular matrix pathways, are dysregulated before invasion and even before malignancy is apparent. These findings could lead to novel risk stratification, prevention, and treatment approaches.


Asunto(s)
Neoplasias de la Mama/metabolismo , Mama/metabolismo , Carcinoma Intraductal no Infiltrante/metabolismo , Adhesión Celular/genética , Matriz Extracelular/genética , Regulación Neoplásica de la Expresión Génica , Anciano , Anciano de 80 o más Años , Mama/patología , Neoplasias de la Mama/genética , Neoplasias de la Mama/patología , Carcinoma Intraductal no Infiltrante/genética , Carcinoma Intraductal no Infiltrante/patología , Progresión de la Enfermedad , Femenino , Perfilación de la Expresión Génica , Humanos , Hiperplasia , Persona de Mediana Edad , Transducción de Señal/genética
5.
J Am Coll Surg ; 230(6): 947-955, 2020 06.
Artículo en Inglés | MEDLINE | ID: mdl-31809861

RESUMEN

BACKGROUND: Venous thromboembolism (VTE) prophylaxis has become routine for patients undergoing most operations, but it remains controversial for breast operations due to a perceived low risk of VTE. There is limited evidence to support routine or extended VTE prophylaxis in breast surgery. We investigated the benefits and risks of the Caprini risk stratification tool and corresponding prevention program, including extended prophylaxis for high-risk groups, in patients undergoing operations for benign and malignant breast lesions. STUDY DESIGN: Using Boston Medical Center data, we reviewed records of patients who underwent lumpectomy or total mastectomy (with or without axillary surgery and/or reconstruction), between 2011 and 2018, to collect information about operation, Caprini score, administration of prophylaxis, and postoperative VTE or bleeding events. Descriptive statistics were performed. RESULTS: Seven hundred fifty patients underwent 881 operations; 48.9% were at low or moderate risk of VTE, 43.8% were at high risk, and 7.3% were at highest risk. There were no VTE events in the low- and moderate-risk groups, 5 (1.3%) in the high-risk, and 1 (1.6%) in the highest-risk group. One patient was diagnosed with VTE during hospitalization. None of the 5 patients who developed VTE after discharge was prescribed the recommended extended chemoprophylaxis. There were 19 bleeding events that did not require reoperation; 3 patients returned to the operating room. There was no correlation of bleeding with receipt of extended chemoprophylaxis. CONCLUSIONS: The Caprini protocol can identify high-risk breast surgery patients who may benefit from extended VTE chemoprophylaxis, as well as low-risk patients who require no chemoprophylaxis. Furthermore, administration of extended chemoprophylaxis was not associated with an increased risk of bleeding.


Asunto(s)
Neoplasias de la Mama/cirugía , Mastectomía/efectos adversos , Complicaciones Posoperatorias/etiología , Complicaciones Posoperatorias/prevención & control , Tromboembolia Venosa/etiología , Tromboembolia Venosa/prevención & control , Adulto , Anciano , Neoplasias de la Mama/complicaciones , Neoplasias de la Mama/patología , Quimioprevención , Femenino , Humanos , Persona de Mediana Edad , Tempo Operativo , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo
6.
Int J Cancer ; 122(7): 1557-66, 2008 Apr 01.
Artículo en Inglés | MEDLINE | ID: mdl-18058819

RESUMEN

Normal-appearing epithelium of cancer patients can harbor occult genetic abnormalities. Data comprehensively comparing gene expression between histologically normal breast epithelium of breast cancer patients and cancer-free controls are limited. The present study compares global gene expression between these groups. We performed microarrays using RNA from microdissected histologically normal terminal ductal-lobular units (TDLU) from 2 groups: (i) cancer normal (CN) (TDLUs adjacent to untreated ER+ breast cancers (n = 14)) and (ii) reduction mammoplasty (RM) (TDLUs of age-matched women without breast disease (n = 15)). Cyber-T identified differentially expressed genes. Quantitative RT-PCR (qRT-PCR), immunohistochemistry (IHC), and comparison to independent microarray data including 6 carcinomas in situ (CIS), validated the results. Gene ontology (GO), UniProt and published literature evaluated gene function. About 127 probesets, corresponding to 105 genes, were differentially expressed between CN and RM (p < 0.0009, corresponding to FDR <0.10). 104/127 (82%) probesets were also differentially expressed between CIS and RM, nearly always (102/104 (98%)) in the same direction as in CN vs. RM. Two-thirds of the 105 genes were implicated previously in carcinogenesis. Overrepresented functional groups included transcription, G-protein coupled and chemokine receptor activity, the MAPK cascade and immediate early genes. Most genes in these categories were under-expressed in CN vs. RM. We conclude that global gene expression abnormalities exist in normal epithelium of breast cancer patients and are also present in early cancers. Thus, cancer-related pathways may be perturbed in normal epithelium. These abnormalities could be markers of disease risk, occult disease, or the tissue's response to an existing tumor.


Asunto(s)
Neoplasias de la Mama/química , Mama/química , Proteínas de Ciclo Celular/análisis , Epitelio/química , Regulación Neoplásica de la Expresión Génica , Factores de Transcripción/análisis , Adulto , Biomarcadores de Tumor/análisis , Mama/anatomía & histología , Neoplasias de la Mama/genética , Neoplasias de la Mama/patología , Estudios de Casos y Controles , Epitelio/patología , Femenino , Perfilación de la Expresión Génica , Humanos , Inmunohistoquímica , Mamoplastia , Persona de Mediana Edad , Análisis de Secuencia por Matrices de Oligonucleótidos , Reproducibilidad de los Resultados , Reacción en Cadena de la Polimerasa de Transcriptasa Inversa
7.
Am J Surg ; 192(4): 538-40, 2006 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-16978970

RESUMEN

BACKGROUND: We hypothesized that the method of breast cancer margin assessment may be associated with different rates of positive margins and residual carcinoma. METHODS: A total of 178 breast cancer specimens were divided into 2 groups (A and B) based on the margin assessment method used. Rates of positive margins, re-excision, and residual carcinoma at re-excision were compared and analyzed statistically. RESULTS: At least 1 margin was positive in 64.7% in group A and in 65.2% in group B. At directed re-excision 54% in group A and 51% in group B had residual carcinoma. The lateral margin was positive in 44% in group A compared with 26% in group B (P = .06). The posterior margin was positive in 19% in group A and in 51% in group B (P = .001). CONCLUSIONS: Two different breast cancer specimen margin assessment methods had comparable rates of positive margins and residual carcinoma at re-excision. Different patterns of specific margin positivity suggest that the method of margin assessment may alter results.


Asunto(s)
Neoplasias de la Mama/patología , Neoplasias de la Mama/cirugía , Carcinoma/patología , Carcinoma/cirugía , Técnicas de Preparación Histocitológica , Femenino , Humanos , Mastectomía Segmentaria , Neoplasia Residual , Estudios Retrospectivos
8.
Arch Surg ; 137(11): 1253-7, 2002 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-12413312

RESUMEN

BACKGROUND: The standard of care for early-stage breast cancer includes surgical removal of the tumor and axillary lymph node dissection (ALND). Despite increased use of breast-conserving surgery, lymphedema rates are similar to those with more radical surgery. HYPOTHESIS: Women who experience breast cancer-related lymphedema have a measurable reduction in quality of life compared with women without lymphedema. DESIGN: In a retrospective cohort study, we explored the association between lymphedema and quality of life, controlling for patient demographics, surgical factors, and treatment types. SETTINGS: An urban academic medical center and a community hospital. PARTICIPANTS: A total of 151 women surgically treated for early-stage breast cancer (stages 0-II) were assessed at least 1 year after their ALND. The women had been treated with either conservative surgery and radiation or mastectomy without radiation. MAIN OUTCOME MEASURES: Arm volume was measured by water displacement. Grip strength and range-of-motion measurements assessed arm function. The Functional Assessment of Cancer Therapy-Breast (FACT-B) quality-of-life instrument assessed breast, emotional, functional, physical, and social well-being. RESULTS: Lymphedema (an arm volume difference > or =200 cm(3)) was measured in 42 women (27.8%). Mastectomy or conservative surgery patients had similar lymphedema rates. Women with lymphedema in both surgical groups scored significantly lower on 4 of the 5 subsections than women without lymphedema, even after adjusting for other factors influencing quality of life. CONCLUSIONS: Lymphedema occurs at appreciable rates, and its impact on long-term quality of life in survivors of early-stage breast cancer should not be underestimated.


Asunto(s)
Neoplasias de la Mama/cirugía , Escisión del Ganglio Linfático/efectos adversos , Linfedema/etiología , Calidad de Vida , Anciano , Brazo , Axila , Pesos y Medidas Corporales , Neoplasias de la Mama/patología , Neoplasias de la Mama/terapia , Estudios de Cohortes , Femenino , Humanos , Linfedema/diagnóstico , Mastectomía , Persona de Mediana Edad , Estadificación de Neoplasias , Radioterapia , Estudios Retrospectivos , Sobrevivientes
9.
J Extra Corpor Technol ; 34(2): 130-43, 2002 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-12139123

RESUMEN

Through patient education, biological research, and technological advances, the rate of many cancers in the United States of America is declining. However, the incidence of melanoma is rising steadily, as are the efforts and resources allocated to its treatment. Isolated limb perfusion, ILP, is a standard of care for treating recurrent malignant melanoma confined to a limb. Although an extracorporeal procedure, only a small percentage of perfusionists are experienced regarding ILP's indications and performance techniques. Use of ILP may increase as the incidence of melanoma increases. This two-part review is designed to familiarize the perfusionist with the procedure and the disease it treats. Part I reviews the history of isolated limb perfusion, the diagnosis and classification of malignant melanoma, and the applicability of ILP in its treatment. Part II details a procedural overview and technical considerations of the therapy from the perfusionist perspective. The review concludes with patient selection, outcomes, and the future of ILP as well as other applications for the hyperthermic regional delivery of chemotherapy using extracorporeal technology.


Asunto(s)
Quimioterapia del Cáncer por Perfusión Regional/métodos , Melanoma/tratamiento farmacológico , Neoplasias Cutáneas/tratamiento farmacológico , Antineoplásicos/uso terapéutico , Quimioterapia del Cáncer por Perfusión Regional/instrumentación , Terapia Combinada , Extremidades/patología , Femenino , Humanos , Hipertermia Inducida , Masculino , Melanoma/patología , Metástasis de la Neoplasia , Selección de Paciente , Recurrencia , Neoplasias Cutáneas/patología , Tasa de Supervivencia , Resultado del Tratamiento
10.
J Natl Cancer Inst ; 97(22): 1652-62, 2005 Nov 16.
Artículo en Inglés | MEDLINE | ID: mdl-16288118

RESUMEN

BACKGROUND: Initial findings from the National Surgical Adjuvant Breast and Bowel Project Breast Cancer Prevention Trial (P-1) demonstrated that tamoxifen reduced the risk of estrogen receptor-positive tumors and osteoporotic fractures in women at increased risk for breast cancer. Side effects of varying clinical significance were observed. The trial was unblinded because of the positive results, and follow-up continued. This report updates our initial findings. METHODS: Women (n = 13,388) were randomly assigned to receive placebo or tamoxifen for 5 years. Rates of breast cancer and other events were compared by the use of risk ratios (RRs) and 95% confidence intervals (CIs). Estimates of the net benefit from 5 years of tamoxifen therapy were compared by age, race, and categories of predicted breast cancer risk. Statistical tests were two-sided. RESULTS: After 7 years of follow-up, the cumulative rate of invasive breast cancer was reduced from 42.5 per 1000 women in the placebo group to 24.8 per 1000 women in the tamoxifen group (RR = 0.57, 95% CI = 0.46 to 0.70) and the cumulative rate of noninvasive breast cancer was reduced from 15.8 per 1000 women in the placebo group to 10.2 per 1000 women in the tamoxifen group (RR = 0.63, 95% CI = 0.45 to 0.89). These reductions were similar to those seen in the initial report. Tamoxifen led to a 32% reduction in osteoporotic fractures (RR = 0.68, 95% CI = 0.51 to 0.92). Relative risks of stroke, deep-vein thrombosis, and cataracts (which increased with tamoxifen) and of ischemic heart disease and death (which were not changed with tamoxifen) were also similar to those initially reported. Risks of pulmonary embolism were approximately 11% lower than in the original report, and risks of endometrial cancer were about 29% higher, but these differences were not statistically significant. The net benefit achieved with tamoxifen varied according to age, race, and level of breast cancer risk. CONCLUSIONS: Despite the potential bias caused by the unblinding of the P-1 trial, the magnitudes of all beneficial and undesirable treatment effects of tamoxifen were similar to those initially reported, with notable reductions in breast cancer and increased risks of thromboembolic events and endometrial cancer. Readily identifiable subsets of individuals comprising 2.5 million women could derive a net benefit from the drug.


Asunto(s)
Antineoplásicos Hormonales/uso terapéutico , Neoplasias de la Mama/tratamiento farmacológico , Neoplasias de la Mama/prevención & control , Moduladores de los Receptores de Estrógeno/uso terapéutico , Receptores de Estrógenos/análisis , Tamoxifeno/uso terapéutico , Adulto , Anciano , Antineoplásicos Hormonales/efectos adversos , Sesgo , Neoplasias de la Mama/química , Intervalos de Confianza , Neoplasias Endometriales/inducido químicamente , Moduladores de los Receptores de Estrógeno/efectos adversos , Femenino , Estudios de Seguimiento , Fracturas Óseas/etiología , Fracturas Óseas/prevención & control , Humanos , Incidencia , Persona de Mediana Edad , Oportunidad Relativa , Osteoporosis/complicaciones , Selección de Paciente , Proyectos de Investigación , Medición de Riesgo , Factores de Riesgo , Accidente Cerebrovascular/etiología , Tamoxifeno/efectos adversos , Tromboembolia/inducido químicamente , Tromboembolia/complicaciones , Factores de Tiempo
SELECCIÓN DE REFERENCIAS
DETALLE DE LA BÚSQUEDA