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1.
Oncol Res Treat ; 43(4): 146-152, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32036373

RESUMO

BACKGROUND: Neoadjuvant chemoradiotherapy (CRT) is a standard treatment for locally advanced rectal cancer. CRT leads to a better local control; however, this does not translate into a survival benefit. Long-term survival is mostly affected by the development of distant metastases after surgery. This study aimed to evaluate predictive clinical factors for the development of early metastatic disease after CRT. METHODS: Clinical data of patients with stage II/III rectal cancer submitted to CRT between January 2000 and October 2014 were collected from prospectively maintained electronic databases of three Italian institutes. Patients were divided into two groups: those who developed metastasis within 12 months from surgical resection (Group A) and patients without or with late distant relapse (Group B). RESULTS: Among 635 patients, 86 (13.5%) had early distant relapse within 1 year from surgery (Group A), and 549 (86.5%) did not (Group B). A higher rate of early distant relapse was associated with CEA levels above 3 ng/dL (20% vs. 10%; p <0.001), tumor lying under 5 cm from anal verge (20% vs. 9%; p <0.001), and age under 63 years (17% vs. 11%; p = 0.036). Multivariate analysis confirmed these factors to be independently correlated with a higher risk of early metastasis. CONCLUSIONS: Younger age, low tumors, and high serum CEA may be associated with unfavorable early oncological outcomes after CRT and surgery for rectal cancer. These clinical factors could be useful to select patients for more aggressive therapeutic strategies.


Assuntos
Recidiva Local de Neoplasia/diagnóstico , Neoplasias Retais/terapia , Idoso , Antígeno Carcinoembrionário/sangue , Quimiorradioterapia Adjuvante , Feminino , Seguimentos , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Terapia Neoadjuvante , Metástase Neoplásica , Recidiva Local de Neoplasia/patologia , Cuidados Pré-Operatórios , Prognóstico , Estudos Prospectivos , Neoplasias Retais/patologia , Taxa de Sobrevida
2.
Surg Obes Relat Dis ; 10(3): 450-4, 2014.
Artigo em Inglês | MEDLINE | ID: mdl-24448100

RESUMO

BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is an approved primary procedure for morbid obesity, but it is associated with serious complications, such as staple line leaks and bleeding. The objective of this study was to assess the effectiveness of staple line reinforcement (SLR) in reducing leaks and bleeding after LSG. METHODS: A total of 1162 patients underwent LSG (305 males, 857 females). The mean age was 43.7 years and the mean body mass index was 48 kg/m(2). The patients were divided into 6 groups based on the type of SLR, including a no-SLR control group, with evaluation of leaking and bleeding risk and correlation of patients' characteristics with complications. RESULTS: A total of 189 patients underwent LSG without reinforcement. The SLR method was oversewing in 476 patients, bovine pericardium in 312, synthetic polyester in 76, glycolide/trimethylene copolymer in 63, and thrombin matrix in 46. The overall leak frequency was 2.8%; higher with synthetic polyester (7.8%), 4.8% with no reinforcement, and lower with bovine pericardium strips (.3%; P<.01). Postoperative hemorrhage occurred in 35 patients (3%), with a higher frequency being observed without SLR (13.7%; P = .02). Only diabetes was a risk-factor for a leak (P< .01). CONCLUSION: SLR with bovine pericardium strips significantly reduced the leak risk. Postoperative bleeding was significantly lower with all SLR-methods, although there was no significant difference among the various techniques. Patients with type II diabetes had a higher risk of staple line leak after LSG. Further randomized, controlled studies are needed to improve our understanding of the efficacy of SLR during LSG.


Assuntos
Fístula Anastomótica/prevenção & controle , Gastrectomia/métodos , Gastroplastia/métodos , Laparoscopia/métodos , Hemorragia Pós-Operatória/prevenção & controle , Técnicas de Sutura/instrumentação , Adolescente , Adulto , Idoso , Fístula Anastomótica/epidemiologia , Animais , Índice de Massa Corporal , Bovinos , Feminino , Seguimentos , Gastrectomia/efeitos adversos , Gastroplastia/efeitos adversos , Xenoenxertos , Humanos , Incidência , Período Intraoperatório , Itália , Laparoscopia/efeitos adversos , Masculino , Pessoa de Meia-Idade , Pericárdio/transplante , Hemorragia Pós-Operatória/epidemiologia , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
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