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1.
Br J Surg ; 110(7): 864-869, 2023 06 12.
Artigo em Inglês | MEDLINE | ID: mdl-37196147

RESUMO

BACKGROUND: The role of recurrence-free survival (RFS) as a valid surrogate endpoint for overall survival (OS) in patients who underwent upfront surgery for colorectal liver metastases remains uncertain. The aim of the study was to compare the two survival measures in a nationwide cohort of upfront resected colorectal liver metastasis. METHODS: Data from patients with colorectal liver metastases without extrahepatic metastases who underwent curative surgery for liver metastases were retrieved from the Japanese nationwide database (data collection 2005-2007 and 2013-2014). RFS, OS, and survival after recurrence were estimated using the Kaplan-Meier method. The correlation (ρ) between RFS and OS was assessed using the rank correlation method combined with iterative multiple imputation, to account for censoring. As a secondary analysis, the correlation was evaluated according to adjuvant chemotherapy regimen. In sensitivity analysis, the pairwise correlation between RFS and OS was calculated. RESULTS: A total of 2385 patients with colorectal liver metastases were included. In the primary analysis, there was a moderately strong correlation between RFS and OS (ρ = 0.73, 95 per cent c.i. 0.70 to 0.76). The strength of the correlation was similar regardless of the adjuvant treatment regimen (oxaliplatin plus 5-fluorouracil: ρ = 0.72, 0.67 to 0.77; 5-fluorouracil alone: ρ = 0.72, 0.66 to 0.76; observation: ρ = 0.74, 0.69 to 0.78). The mean(s.d.) pairwise correlation coefficient between 3-year RFS and 5-year OS was 0.87(0.06). CONCLUSION: In surgically treated patients with colorectal liver metastases, there was a moderately strong correlation between RFS and OS, which was unaffected by the treatment regimen. Further validation using a trial-level analysis is required.


Assuntos
Neoplasias Colorretais , Neoplasias Hepáticas , Humanos , Neoplasias Colorretais/cirurgia , Intervalo Livre de Doença , Oxaliplatina/uso terapêutico , Fluoruracila/uso terapêutico , Quimioterapia Adjuvante/métodos , Neoplasias Hepáticas/secundário , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Hepatectomia
2.
Gan To Kagaku Ryoho ; 45(13): 2048-2050, 2018 Dec.
Artigo em Japonês | MEDLINE | ID: mdl-30692280

RESUMO

We report a case of locally advanced colon cancer that directly invaded the rectum wall and uterus resulting in huge mass in the whole pelvis that we could successfully made complete radical resection of the whole tumor without exposing the tumor to the surgical margin after the triplet chemotherapy. The patient was a 57-year-old woman complaining of anus pain, melena, fever, and weight loss. Although swelling of the regional lymph node was observed, no distant metastasis was found resulting in clinical diagnosis of Stage Ⅲb. However, oncologically safe complete resection seemed difficult; thus, chemotherapy( 3 courses of FOLFOX followed by 3 courses of FOLFOXIRI plus bevacizumab)was administered. As a result, significant tumor reduction was observed; therefore, the tumor was completely resected with posterior pelvic exenteration. Final staging was ypT4bypN0M0(ypStage Ⅱ). Eight courses of CapeOX was administered as adjuvant chemotherapy.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica , Exenteração Pélvica , Neoplasias do Colo Sigmoide , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Feminino , Humanos , Leucovorina , Pessoa de Meia-Idade , Pelve , Neoplasias do Colo Sigmoide/tratamento farmacológico , Neoplasias do Colo Sigmoide/patologia , Neoplasias do Colo Sigmoide/cirurgia
3.
Dig Surg ; 33(5): 431-8, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27198754

RESUMO

PURPOSE: The aim of this study was to assess the functional outcomes of patients treated with intensive medications for bowel and pain control for low-lying rectal cancer who received preoperative chemoradiotherapy (CRT). METHODS: The inclusion criterion was sphincter-preserving surgery following CRT for T3 middle and low rectal cancer. Postoperative defecation control was conducted using calcium polycarbophil and loperamide, and anal pain control was conducted using oxycodone hydrochloride hydrate. The functional outcomes were determined by an annual questionnaire after stoma closure. RESULTS: Of 64 patients evaluated, 33 were reconstructed using the double stapling technique (DST) and 31 were reconstructed using the intersphincteric resection (ISR) technique. The median Visual Analogue Scale at ISR was improved from 7 to 1.5 at 1 year after surgery. The median Wexner scores were 6.0, 6.0, 5.0 and 5.0 for DST and 14.5, 12.0, 10.0 and 8.0 for ISR for the first 4 years, respectively. The only independent predictor of a poor bowel function (Wexner score >10) according to a multivariate analyses was pelvic infection (OR 3.994, 95% CI 1.235-13.52, p = 0.021), while ISR was not a predictor. CONCLUSIONS: Anal pain following ISR can be controlled with oxycodone hydrochloride hydrate therapy. ISR is feasible following CRT for low-lying rectal cancer.


Assuntos
Defecação , Diarreia/prevenção & controle , Dor Pós-Operatória/tratamento farmacológico , Neoplasias Retais/fisiopatologia , Neoplasias Retais/terapia , Reto/cirurgia , Resinas Acrílicas/uso terapêutico , Idoso , Analgésicos Opioides/uso terapêutico , Anastomose Cirúrgica , Antidiarreicos/uso terapêutico , Quimiorradioterapia Adjuvante , Feminino , Humanos , Loperamida/uso terapêutico , Masculino , Pessoa de Meia-Idade , Terapia Neoadjuvante , Oxicodona/uso terapêutico , Dor Pós-Operatória/etiologia , Cuidados Pré-Operatórios , Neoplasias Retais/complicações , Grampeamento Cirúrgico/métodos
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