scholarly journals The main contributor to the upswing of survival in locally advanced colorectal cancer: an analysis of the SEER database

2019 ◽  
Vol 12 ◽  
pp. 175628481986215 ◽  
Author(s):  
Yuqiang Li ◽  
Lilan Zhao ◽  
Cenap Güngör ◽  
Fengbo Tan ◽  
Zhongyi Zhou ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Colon Cancer ◽  
Regression Model ◽  
Advanced Colorectal Cancer ◽  
Cox Regression ◽  
Locally Advanced ◽  
Seer Database ◽  
Cox Regression Model ◽  
Main Contributor ◽  
Locally Advanced Colorectal Cancer

Background: There is no conclusion about the most important contributor to the upswing of locally advanced colorectal cancer (LACRC) survival. Methods: Data from the Surveillance, Epidemiology, and End Results (SEER) database was extracted to identify colorectal adenocarcinoma cancer patients at stage II and III diagnosed in the two periods 1989–1990 and 2009–2010. The statistical methods included Pearson’s chi-squared test, log-rank test, Cox regression model and propensity score matching. Results: The Cox regression model showed that hazard ratio (HR) of non-surgery dropped from 11.529 to 3.469 in right colon cancer (RCC), 5.214 to 2.652 in left colon cancer (LCC) and 3.275 to 3.269 in rectal cancer (RC) from 1989–1990 to 2009–2010. The 95% confidence intervals (CIs) for surgical resection in 2009–2010 were narrower than those in 1989–1990. HR became greater in LACRC without chemotherapy (from 1.337 to 1.779 in RCC, 1.269 to 2.017 in LCC, 1.317 to 1.811 in RC). There was no overlapping about the 95% CI of chemotherapy between the two groups. The progress of surgery was not linked to the improvement of overall survival (OS) of RCC ( p = 0.303) and RC ( p = 0.660). Chemotherapy had a significant association with OS of all colorectal cancer (CRC) patients ( p = 0.017 in RCC; p = 0.006 in LCC; p = 0.001 in RC). Conclusions: Advancements in chemotherapy regimen were the main contributor to the upswing of CRC survival. The improvements in surgery had a limited effect on improvements in CRC survival.

scholarly journals POSTOPERATIVE COMPLICATIONS OF COMBINED SURGERIES IN PATIENTS WITH DISSEMINATED FORMS OF COLON CANCER

2017 ◽  
Vol 176 (2) ◽  
pp. 86-94
Author(s):  
N. A. Maistrenko ◽  
A. A. Khvatov ◽  
A. A. Sazonov
Keyword(s):  
Colorectal Cancer ◽  
Colon Cancer ◽  
Advanced Colorectal Cancer ◽  
Surgical Complication ◽  
Locally Advanced ◽  
Combined Operations ◽  
Somatic Status ◽  
Locally Advanced Colorectal Cancer ◽  
Careful Assessment ◽  
Reliable Increase

OBJECTIVE. The authors investigated the peculiarities and character of complications in gerontological patients with disseminated forms of colon cancer after combined and extended operative interventions. MATERIALS AND METHODS. A retrospective analysis of treatment results of 154 patients was made. The single-stage combined operations were performed on 32 patients of the first group with IV stage of colon cancer. The operation included removing of primary tumor and liver metastases. Combined and extended operative interventions were carried out on 122 patients of the second group with locally-advanced colorectal cancer (T3-4N1-3M0). The patients of both groups were divided into 2 subgroups according to the age: subgroup A - over 60 years of age, subgroup B - younger than 60. Comparison of parameters of postoperative period was made separately in each group between subgroups. RESULTS. There weren’t noted any reliable increase in rate of surgical complication in patients of elderly and senile age with disseminated forms of colon cancer after combined operations. These operations accompanied by high risk of development of functionally-somatic complications as a rule connected with decompensation of concurrent pathology. CONCLUSIONS. The authors recommend to make the careful assessment of general somatic status of gerontological patients with disseminated forms of colorectal cancer and apply the multidiscipline approach in order to balance on time the concurrent pathology after combined operations.

scholarly journals Impact of old age on resectable colorectal cancer outcomes

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6350 ◽  
Author(s):  
Jianfei Fu ◽  
Hang Ruan ◽  
Hongjuan Zheng ◽  
Cheng Cai ◽  
Shishi Zhou ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Regression Model ◽  
Old Age ◽  
Older Patients ◽  
Cox Regression ◽  
External Validation ◽  
Seer Database ◽  
Cancer Specific Survival ◽  
Cox Regression Model ◽  
The Impact

Objective This study was performed to identify a reasonable cutoff age for defining older patients with colorectal cancer (CRC) and to examine whether old age was related with increased colorectal cancer-specific death (CSD) and poor colorectal cancer-specific survival (CSS). Methods A total of 76,858 eligible patients from the surveillance, epidemiology, and end results (SEER) database were included in this study. The Cox proportional hazard regression model and the Chow test were used to determine a suitable cutoff age for defining the older group. Furthermore, a propensity score matching analysis was performed to adjust for heterogeneity between groups. A competing risk regression model was used to explore the impact of age on CSD and non-colorectal cancer-specific death (non-CSD). Kaplan–Meier survival curves were plotted to compare CSS between groups. Also, a Cox regression model was used to validate the results. External validation was performed on data from 1998 to 2003 retrieved from the SEER database. Results Based on a cutoff age of 70 years, the examined cohort of patients was classified into a younger group (n = 51,915, <70 years of old) and an older group (n = 24,943, ≥70 years of old). Compared with younger patients, older patients were more likely to have fewer lymph nodes sampled and were less likely to receive chemotherapy and radiotherapy. When adjusted for other covariates, age-dependent differences of 5-year CSD and 5-year non-CSD were significant in the younger and older groups (15.84% and 22.42%, P < 0.001; 5.21% and 14.21%, P < 0.001). Also an age of ≥70 years remained associated with worse CSS comparing with younger group (subdistribution hazard ratio, 1.51 95% confidence interval (CI) [1.45–1.57], P < 0.001). The Cox regression model as a sensitivity analysis had a similar result. External validation also supported an age of 70 years as a suitable cutoff, and this older group was associated with having reduced CSS and increased CSD. Conclusions A total of 70 is a suitable cutoff age to define those considered as having elderly CRC. Elderly CRC was associated with not only increased non-CSD but also with increased CSD. Further research is needed to provide evidence of whether cases of elderly CRC should receive stronger treatment if possible.

EXPERIENCE OF THE APPLICATION OF THERMOCHEMIORRADIOTHERAPY IN COMBINED TREATMENT OF DYSTAL CANCER OF DIRECT INTESTINE

2019 ◽  
Vol 65 (1) ◽  
pp. 131-134
Author(s):  
Zhanna Startseva ◽  
Sergey Afanasev ◽  
Dina Plaskeeva
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Primary Tumor ◽  
Advanced Colorectal Cancer ◽  
Combined Treatment ◽  
Locally Advanced ◽  
Chemoradiation Therapy ◽  
Locally Advanced Colorectal Cancer

The article describes the experience of using ther-mochioradiotherapy in the combined treatment of distal locally advanced colorectal cancer, as well as comparing the effectiveness of treatment with chemoradiation therapy. The use of the proposed method as a component of the combined treatment of patients with rectal cancer allowed to increase the percentage of organ-preserving operations. As a result of thermochemotherapy, the prevalence of the primary tumor was significantly reduced, as a result of which the number of sphincter-bearing operations was reduced by almost 2 times (p

Extended resections are beneficial for patients with locally advanced colorectal cancer

1995 ◽  
Vol 38 (12) ◽  
pp. 1251-1256 ◽  
Author(s):  
J. R. Izbicki ◽  
S. B. Hosch ◽  
W. T. Knoefel ◽  
B. Passlick ◽  
C. Bloechle ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Advanced Colorectal Cancer ◽  
Locally Advanced ◽  
Locally Advanced Colorectal Cancer

scholarly journals First-line treatment with modified FOLFOXIRI plus bevacizumab in patients with locally advanced colorectal cancer

2020 ◽  
Vol 28 (1) ◽  
pp. 44-48 ◽  
Author(s):  
Yasufumi Yamada ◽  
Kazuhiko Yoshimatsu ◽  
Hajime Yokomizo ◽  
Sachiyo Okayama ◽  
Hiroyuki Maeda ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Advanced Colorectal Cancer ◽  
Locally Advanced ◽  
Line Treatment ◽  
First Line ◽  
Locally Advanced Colorectal Cancer ◽  
First Line Treatment
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