scholarly journals Physical Activity after Colorectal Cancer Diagnosis and Mortality in a Nationwide Retrospective Cohort Study

Cancers ◽  
2021 ◽  
Vol 13 (19) ◽  
pp. 4804
Author(s):  
Meesun Lee ◽  
Yunseo Lee ◽  
Doeun Jang ◽  
Aesun Shin
Keyword(s):  
Physical Activity ◽  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Cancer Patients ◽  
Cancer Diagnosis ◽  
Early Stage ◽  
Colorectal Cancer Patient ◽  
Prognostic Impact ◽  
Specific Mortality

Physical activity reduces the risk of colon cancer, but its prognostic impact after cancer diagnosis remains unclear. To evaluate the association between post-diagnosis activity and cause-specific mortality, we reconstructed a colorectal cancer patient cohort from the 2009–16 Korean National Health Insurance Service (NHIS) database. Subgroup analyses were performed by treatment group. In total, 27,143 colon cancer patients and 16,453 rectal cancer patients were included in the analysis (mean follow-up, 4.3 years; median 4.0 years). In the surgically treated group, a high level of activity (the weighted sum of the frequencies for walking, moderate, and vigorous activity greater than or equal to 3 times/week) was inversely associated with all-cause mortality (colon cancer: HR, 0.79; 95% CI, 0.72 to 0.88; rectal cancer: HR, 0.75; 95% CI, 0.66 to 0.86) and colorectal cancer-specific mortality (colon cancer: HR, 0.85; 95% CI, 0.76 to 0.97; rectal cancer: HR, 0.77; 95% CI, 0.66 to 0.90). No significant results were shown for cardiovascular disease-specific mortality. No association was shown in patients who received chemoradiotherapy without surgery. The present study may provide evidence for post-diagnosis physical activity as a prognostic factor in colorectal cancer, particularly in surgically treated early-stage patients.

scholarly journals Cyst(e)ine in nutrition formulation promotes colon cancer growth and chemoresistance by activating mTORC1 and scavenging ROS

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Jiao Wu ◽  
Sai-Ching Jim Yeung ◽  
Sicheng Liu ◽  
Aiham Qdaisat ◽  
Dewei Jiang ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Colon Cancer ◽  
Weight Loss ◽  
Cancer Patients ◽  
Cancer Cell ◽  
Cancer Progression ◽  
Colorectal Cancer Patient ◽  
Nutrition Support ◽  
Immunodeficient Mice ◽  
The Impact

AbstractWeight loss and cachexia are common problems in colorectal cancer patients; thus, parenteral and enteral nutrition support play important roles in cancer care. However, the impact of nonessential amino acid components of nutritional intake on cancer progression has not been fully studied. In this study, we discovered that gastrointestinal cancer patients who received cysteine as part of the parenteral nutrition had shorter overall survival (P < 0.001) than those who did not. Cystine indeed robustly promotes colon cancer cell growth in vitro and in immunodeficient mice, predominately by inhibiting SESN2 transcription via the GCN2-ATF4 axis, resulting in mTORC1 activation. mTORC1 inhibitors Rapamycin and Everolimus block cystine-induced cancer cell proliferation. In addition, cystine confers resistance to oxaliplatin and irinotecan chemotherapy by quenching chemotherapy-induced reactive oxygen species via synthesizing glutathione. We demonstrated that dietary deprivation of cystine suppressed colon cancer xenograft growth without weight loss in mice and boosted the antitumor effect of oxaliplatin. These findings indicate that cyst(e)ine, as part of supplemental nutrition, plays an important role in colorectal cancer and manipulation of cyst(e)ine content in nutritional formulations may optimize colorectal cancer patient survival.

scholarly journals Clinicopathological Factors Influencing Lymph Node Yield in Colorectal Cancer: A Retrospective Study

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Elena Orsenigo ◽  
Giulia Gasparini ◽  
Michele Carlucci
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Lymph Node ◽  
Lymph Nodes ◽  
Cancer Patients ◽  
Rank Test ◽  
Lymph Node Yield ◽  
Log Rank Test ◽  
Lymph Node Retrieval

Many colorectal resections do not meet the minimum of 12 lymph nodes (LNs) recommended by the American Joint Committee on Cancer for accurate staging of colorectal cancer. The aim of this study was to investigate factors affecting the number of the adequate nodal yield in colorectal specimens subject to routine pathological assessment. We have retrospectively analysed the data of 2319 curatively resected colorectal cancer patients in San Raffaele Scientific Institute, Milan, between 1993 and 2017 (1259 colon cancer patients and 675 rectal cancer patients plus 385 rectal cancer patients who underwent neoadjuvant therapy). The factors influencing lymph node retrieval were subjected to uni- and multivariate analyses. Moreover, a survival analysis was carried out to verify the prognostic implications of nodal counts. The mean number of evaluated nodes was 24.08±11.4, 20.34±11.8, and 15.33±9.64 in surgically treated right-sided colon cancer, left-sided colon cancer, and rectal tumors, respectively. More than 12 lymph nodes were reported in surgical specimens in 1094 (86.9%) cases in the colon cohort and in 425 (63%) cases in the rectal cohort, and patients who underwent neoadjuvant chemoradiation were analysed separately. On univariate analysis of the colon cancer group, higher LNs counts were associated with female sex, right colon cancer, emergency surgery, pT3-T4 diseases, higher tumor size, and resected specimen length. On multivariate analysis right colon tumors, larger mean size of tumor, length of specimen, pT3-T4 disease, and female sex were found to significantly affect lymph node retrieval. Colon cancer patients with 12 or more lymph nodes removed had a significantly better long-term survival than those with 11 or fewer nodes (P=0.002, log-rank test). Rectal cancer patients with 12 or more lymph nodes removed approached but did not reach a statistically different survival (P=0.055, log-rank test). Multiple tumor and patients’ factors are associated with lymph node yield, but only the removal of at least 12 lymph nodes will reliably determine lymph node status.

Effects of metformin and sulfonylureas on overall and colorectal cancer-specific mortality.

2012 ◽  
Vol 30 (15_suppl) ◽  
pp. 2599-2599
Author(s):  
Susan Spillane ◽  
Kathleen Bennett ◽  
Linda Sharp ◽  
Thomas Ian Barron
Keyword(s):  
Colorectal Cancer ◽  
Colon Cancer ◽  
Proportional Hazards ◽  
Early Stage ◽  
Population Based ◽  
Cox Proportional Hazards ◽  
Stage I ◽  
Early Stage Disease ◽  
All Cause Mortality ◽  
Specific Mortality

2599 Background: Preclinical studies have suggested a role for metformin in the treatment of colorectal cancer (CRC). Associations between metformin versus sulfonylurea exposure and mortality (all-cause and colorectal cancer specific) are assessed in this population-based study of patients with a diagnosis of stage I-IV CRC. Methods: National Cancer Registry Ireland records were linked to prescription claims data and used to identify a cohort of patients with incident TNM stage I-IV CRC diagnosed 2001-2006. From this cohort, 2 patient groups were identified and compared for outcomes - those who received a prescription for metformin +/- a sulfonylurea (MET) or a prescription for sulfonylurea alone (SUL) in the 90 days pre CRC diagnosis. Adjusted hazard ratios (HR) with 95% confidence intervals (CI) were estimated using Cox proportional hazards models adjusted for age, sex, stage, grade, site, comorbidities, year of diagnosis, and insulin, aspirin or statin exposure. Analyses were repeated stratifying by stage and site. Results: 5,617 patients with stage I-IV CRC were identified, of whom 369 received a prescription for metformin or a sulfonylurea in the 90 days pre diagnosis (median follow-up 1.6 years; MET: n=257; SUL: n=112). In adjusted analyses metformin exposure was associated with a 28% lower risk of all-cause mortality relative to sulfonylurea exposure (HR 0.72, 95% CI 0.53-0.98) and a non-significant 24% reduction in CRC-specific mortality (HR 0.76, 95% CI 0.52-1.13). In analyses stratified by site, in colon cancer, metformin exposure was associated with a significant one-third reduction in all-cause mortality (HR 0.66, 95% CI 0.46-0.95) and a non-significant reduction in site-specific mortality (HR 0.64, 95% CI 0.40-1.02). No mortality benefit was observed for rectal cancer. The association between metformin exposure and reduced mortality was strongest for stage I/II disease (all-cause mortality: HR 0.56, 95% CI 0.32-0.98; CRC-specific mortality: HR 0.48, 95% CI 0.21-1.11). Conclusions: Pre-diagnosis metformin exposure in CRC patients was associated with a significant reduction in mortality relative to sulfonylurea exposure. This benefit was greatest in patients with colon cancer and early stage disease.

Impact of diabetes on site-specific oncologic outcome in stage I-III colorectal cancer.

2012 ◽  
Vol 30 (15_suppl) ◽  
pp. e14114-e14114
Author(s):  
Justin Y Jeon ◽  
Deok Hyun Jeong ◽  
Min Keun Park ◽  
Jennifer A. Ligibel ◽  
Jeffrey A. Meyerhardt ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Cancer Patients ◽  
Proximal Colon ◽  
Survival Outcome ◽  
Recurrence Free Survival ◽  
Site Specific ◽  
Free Survival ◽  
All Cause Mortality

e14114 Background: Background: Conflicting results have been reported whether pre diagnosis diabetes mellitus (DM) influence survival of colorectal cancer patients or not. Therefore, we determine the influence of DM on long-term outcomes of stage 1-3 patients with resected colon and rectal cancer. Methods: This prospective study include a total of 4,131 participants who were treated for cancer between 1995 and 2005 in South Korea in a single hospital (Non DM: 3,614 patients, DM: 517 patients) with average follow up period of 12 years. We analyzed differences in all cause mortality, disease free survival (DFS), recurrence free survival (RFS) and colorectal cancer-specific mortality between colorectal patients with DM and those without DM. Results: After adjustment for potential confounders, pre-diagnosis DM significantly associated with increased all cause mortality (HR: 1.46, 95% CI: 1.11-1.92), and recurrence free survival reduced DFS (HR: 1.45, 95%CI: 1.15-1.84) and RFS (HR: 1.32, 95% CI: 0.98-1.76) in colon cancer patients but not in rectal cancer patients. In colon cancer patients, DM negatively affects the survival outcome of proximal colon cancer (HR: 2.08, 95%CI: 1.38-3.13), but not of distal cancer (HR:1.34, 95% CI: 0.92-1.96). Conclusions: To our knowledge, the current study first reported the effects of pre-diagnosis DM on survival outcome of colorectal cancer are site specific (proximal colon, distal colon and rectum). The current study was supported by the National Research Foundation of Korea (KRF) (No. 2011-0004892) and the National R&D Program for Cancer Control, Ministry of Health & Welfare, Republic of Korea (1120230). [Table: see text]

scholarly journals Artificial Intelligence in Decision-Making for Colorectal Cancer Treatment Strategy: An Observational Study of Implementing Watson for Oncology in a 250-Case Cohort

2021 ◽  
Vol 10 ◽  
Author(s):  
Batuer Aikemu ◽  
Pei Xue ◽  
Hiju Hong ◽  
Hongtao Jia ◽  
Chenxing Wang ◽  
...  
Keyword(s):  
Artificial Intelligence ◽  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Treatment Strategy ◽  
Colorectal Cancer Patient ◽  
Treatment Recommendations ◽  
Learning Ability ◽  
Cancer Center ◽  
Colorectal Cancer Patients

BackgroundPersonalized and novel evidence-based clinical treatment strategy consulting for colorectal cancer has been available through various artificial intelligence (AI) supporting systems such as Watson for Oncology (WFO) from IBM. However, the potential effects of this supporting tool in cancer care have not been thoroughly explored in real-world studies. This research aims to investigate the concordance between treatment recommendations for colorectal cancer patients made by WFO and a multidisciplinary team (MDT) at a major comprehensive gastrointestinal cancer center.MethodsIn this prospective study, both WFO and the blinded MDT’s treatment recommendations were provided concurrently for enrolled colorectal cancers of stages II to IV between March 2017 and January 2018 at Shanghai Minimally Invasive Surgery Center. Concordance was achieved if the cancer team’s decisions were listed in the “recommended” or “for consideration” classification in WFO. A review was carried out after 100 cases for all non-concordant patients to explain the inconsistency, and corresponding feedback was given to WFO’s database. The concordance of the subsequent cases was analyzed to evaluate both the performance and learning ability of WFO.ResultsOverall, 250 patients met the inclusion criteria and were recruited in the study. Eighty-one were diagnosed with colon cancer and 189 with rectal cancer. The concordances for colon cancer, rectal cancer, or overall were all 91%. The overall rates were 83, 94, and 88% in subgroups of stages II, III, and IV. When categorized by treatment strategy, concordances were 97, 93, 89, 87, and 100% for neoadjuvant, surgery, adjuvant, first line, and second line treatment groups, respectively. After analyzing the main factors causing discordance, relative updates were made in the database accordingly, which led to the concordance curve rising in most groups compared with the initial rates.ConclusionClinical recommendations made by WFO and the cancer team were highly matched for colorectal cancer. Patient age, cancer stage, and the consideration of previous therapy details had a significant influence on concordance. Addressing these perspectives will facilitate the use of the cancer decision-support systems to help oncologists achieve the promise of precision medicine.

Bevacizumab effectiveness and primary tumor location in metastatic colorectal cancer patients.

2016 ◽  
Vol 34 (4_suppl) ◽  
pp. 683-683 ◽  
Author(s):  
Wen-zhuo He ◽  
Qiong Yang ◽  
Chang Jiang ◽  
Fang-xin Liao ◽  
Shou-sheng Liu ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Metastatic Colorectal Cancer ◽  
Cancer Patients ◽  
Primary Tumor ◽  
Tumor Location ◽  
First Line ◽  
Primary Tumor Location ◽  
Colon Cancers

683 Background: There is currently no consensus about whether bevacizumab effectiveness is associated with the primary tumor location of metastatic colorectal cancer (mCRC). The aim of this study was to assess whether the primary tumor location was a predictor for bevacizumab treatment. Methods: From 2004 to 2013, 740 patients with mCRC treated with oxaliplatin / 5-FU / leucovorin (mFOLFOX6) or irinotecan / 5-FU / leucovorin (FOLFIRI) (CT group) and 244 patients treated with bevacizumab plus mFOLFOX6 or FOLFIRI (CT + B group) as first-line setting were included from Sun yat-sen university cancer center. Right-side colon cancers included those occurring in the cecum, ascending colon or transverse colon. Left-side colon cancers included those from descending or sigmoid colon. The primary outcome was overall survival (OS). Kaplan-Meier curves with log-rank tests were used to detect difference. All statistical tests were two sided. Results: 222 right-side colon, 259 left-side colon and 259 rectal cancer patients were included in CT group while 78 right-side colon, 86 left-side colon and 80 rectal cancer patients were included in CT + B group. Patients in CT + B group had similar OS compare with CT group only when the primary tumor located at right-side colon (median OS was 19.6 months for CT + B group versus 19.5 months for CT group, P = 0.269). For left-side colon cancer, significantly longer OS were observed in CT + B than CT group (22.3 months versus 21.9 months, P = 0.014). For rectal cancer patients, those in CT + B group also had longer OS than CT group (25.9 months versus 21.1 months, P = 0.005). Conclusions: Our data suggested that patients with right-side colon cancer could not get survival benefit from the addition of bevacizumab to first-line chemotherapy. Further data from randomized trials are needed to test our hypothesis. [Table: see text]

Clinical lymph node staging by imaging in colorectal cancer: A flip of the coin?

2017 ◽  
Vol 35 (15_suppl) ◽  
pp. e15160-e15160 ◽  
Author(s):  
Nelleke Pietronella Maria Brouwer ◽  
Rutger Carel Hubert Stijns ◽  
Lemmens Valery ◽  
Iris D. Nagtegaal ◽  
Regina GH Beets-Tan ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Lymph Node ◽  
Lymph Nodes ◽  
Neoadjuvant Therapy ◽  
Cancer Patients ◽  
Lymph Node Staging ◽  
Preoperative Treatment ◽  
Positive Lymph Nodes

e15160 Background: Clinical lymph node staging by MRI and CT is important in stratification for neoadjuvant therapy in colorectal cancer. Overstaging may result in unnecessary neoadjuvant therapy, but understaging may refrain patients from adequate preoperative treatment. This study aims to provide insight in current daily practice in clinical lymph node staging in CRC in the Netherlands. Methods: All patients with primary CRC, diagnosed between 2003-2014, who underwent lymph node dissection were selected from the nationwide population-based Netherlands Cancer Registry (n=100,211). Trends in patient- and tumor-characteristics, and lymph node staging were analyzed. For the years 2011-2014, sensitivity, specificity, positive (PPV) and negative predictive value (NPV) were calculated for clinical lymph node staging, with histology as the gold standard. Only patients without preoperative treatment were analyzed. Since prospective studies have shown that 5x5 Gy radiotherapy (RT) followed by total mesorectal excision within 10 days does not lead to nodal downstaging, an additional analysis was performed in this group. Results: The proportion clinically positive lymph nodes increased significantly between 2003-2014; from 7% to 22% for colon cancer and from 7% to 53% for rectal cancer. The proportion histological positive lymph nodes remained fairly stable over time (±35% colon, ±33% rectum). During 2011-2014, clinical lymph node staging was available in the registry in 86% of colon cancer patients, 92% of rectal cancer patients without neoadjuvant treatment and 95% of rectal cancer patients with 5x5 Gy RT. The parameters based on data from this period are presented in table 1. Conclusions: With a sensitivity and PPV of approximately 50%, clinical lymph node staging is about as accurate as flipping a coin. This leads to overtreatment in patients with rectal cancer with neoadjuvant RT. Acceptable specificity and NPV limit the risk of undertreatment. [Table: see text]

Adjuvant treatment in extreme elderly patients with colorectal cancer.

2017 ◽  
Vol 35 (4_suppl) ◽  
pp. 784-784
Author(s):  
Marta Llopis Cuquerella ◽  
Maria del Carmen Ors Castaño ◽  
María Ballester Espinosa ◽  
Alejandra Magdaleno Cremades ◽  
Vicente Boix Aracil ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Elderly Patients ◽  
Cancer Patients ◽  
Adjuvant Treatment ◽  
Stage Ii ◽  
Stage Iii ◽  
Complementary Treatment ◽  
Colorectal Cancer Patients

784 Background: Surgical and adjuvant treatment in extreme elderly ( > 80 years) patients with localized colorectal cancer is an unresolved issue. Owing to the lack of available neither clinical practice nor investigational data in this field we present our experience in this scenario. Methods: We retrospectively reviewed data regarding surgical and complementary treatment for colorectal cancer patients aged more than 80 consecutively attended by General Surgery Department in Vega Baja Hospital between 2008 and 2013. Results: A total number of 115 colorectal cancer patients were registered. 95 patients diagnosed of localized disease were selected for analysis. Colon vs rectal cancer ratio was 4:1. Median age was 83.6 years (80-94). Male sex was predominant (60 patients, 63.2%). Emergency surgery was performed in 15 patients (15.8%). Complementary treatment to surgery was advised, according to international guidelines, in 53 patients (55.8%). 10 patients (18.9%) with an advise of adjuvant treatment finally received it. More patients with rectal cancer received recommended treatment (41.7% rectal vs 12.2% colon cancer). Patients with stage III disease were more frequently finally treated according to guidelines (22.2 % stage III vs 11.8% stage II). More patients with stage II rectal cancer were advised and received treatment (recommendation: 66.7% rectal vs 36.1% colon cancer; administration: 25% rectal vs 7.7% colon cancer). Treatment was also more frequently administered to stage III rectal cancer (50% rectal vs 14.3% rectal cancer) (Table). Conclusions: Our experience in localized colorectal cancer in extreme elderly patients ( > 80 years) showed that, although advised according to guidelines, most of them did not receive adjuvant treatment to surgery. Complementary treatment administration was more common in rectal cancer patients and with more advanced disease. [Table: see text]

Limited time Interval between Symptomatic Presentation in Primary Care and Colorectal Cancer Diagnosis

2021 ◽  
Author(s):  
Josephina G. Kuiper ◽  
Myrthe P.P. Herk-Sukel ◽  
Valery E.P.P. Lemmens ◽  
Ernst J. Kuipers ◽  
Ron M.C. Herings
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Cancer Diagnosis ◽  
Drug Users ◽  
Index Date ◽  
Distal Colon ◽  
Proximal Colon ◽  
New Drugs ◽  
Time Interval

Abstract Background: Timely recognition of colorectal cancer related symptoms is essential to reduce time to diagnosis. This study aims to investigate the primary healthcare use preceding a colorectal cancer diagnosis.Methods: A population-based case-control study was conducted using data from a cohort of linked data from the Netherlands Cancer Registry (NCR) and the PHARMO General Practitioner (GP) Database (NCR-PHARMO GP cohort). Primary healthcare use among colorectal cancer cases before diagnosis was compared with matched cancer-free controls. Information on primary health care use was derived from the GP Database of the PHARMO Database Network and included all GP consultations and prescribed medication. Mean monthly number of GP consultations and new drugs users was assessed in the year before index date (diagnosis date for cases). Results were stratified by colorectal cancer site: proximal colon cancer, distal colon cancer and rectal cancer.Results: While mean monthly number of GP consultation were stable through the year among cancer-free controls, a statistical significant increase was seen among colorectal cancer cases in the last 4-8 months before diagnosis. Proximal colon cancer cases showed the longest time interval of increased mean monthly number of GP consultations. This increase was largely driven by a consultation for malignant neoplasm colon/rectum. The number of new drug users was stable around 120 per 1,000 persons per month until 8 months before index date for proximal colon cancer cases, 4 months before index date for distal colon cancer cases and 3 months for rectal cancer cases. This increase was mainly driven by the prescription of laxatives drugs.Conclusion: A relatively short time interval of increased GP consultations and new drug users was seen before colorectal cancer diagnosis. The longest period of increased GP consultations and new drugs users was seen among patients diagnosed with proximal colon cancer. This can be explained by the difficultly to diagnose proximal colon cancer given the more subtle signs compared to distal colon cancer and rectal cancer. Therefore, faster diagnosis for this specific tumour subtype is only possible when clear clinical signs and symptoms are present.

scholarly journals Colorectal Cancer Anatomical Site and Sleep Quality

Cancers ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 2578
Author(s):  
Mimi Ton ◽  
Nathaniel F. Watson ◽  
Arthur Sillah ◽  
Rachel C. Malen ◽  
Julia D. Labadie ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Rectal Cancer ◽  
Colon Cancer ◽  
Sleep Quality ◽  
Cancer Patients ◽  
Personal Characteristics ◽  
Anatomical Site ◽  
Survivorship Care ◽  
Anatomic Site ◽  
Sleeping Problems

Purpose: Sleep quality in relation to anatomic site among colorectal cancer (CRC) patients is not well understood, though discerning the relationship could contribute to improved survivorship care. Methods: We ascertained sleep quality (Pittsburgh Sleep Quality Index) and other personal characteristics within an ongoing population-based study of CRC patients identified through a cancer registry (N = 1453). Differences in sleep quality by CRC site were analyzed using chi-square and ANOVA tests. We used logistic regression to estimate odds ratios (ORs) and 95% confidence intervals (CIs) for the association of tumor site with sleep quality concerns, adjusting for patient attributes and time since diagnosis. Results: Sleeping problems were reported by 70% of CRC patients. Overall, participants with rectal (vs. colon) cancer were more likely (OR (95% CI)) to report general trouble sleeping (1.58 (1.19, 2.10)). Rectal cancer patients were also more likely than colon cancer patients to report changes in sleep patterns after cancer diagnosis (1.38 (1.05, 1.80)), and trouble sleeping specifically due to getting up to use the bathroom (1.53 (1.20, 1.96)) or pain (1.58 (1.15, 2.17)), but were less likely to report trouble sleeping specifically due to issues with breathing/coughing/snoring (0.51 (0.27, 0.99)). Conclusion: Overall, rectal cancer patients were more likely to have sleep complications compared to colon cancer patients. This suggests sleep-focused survivorship care may be adapted according to CRC site to ensure patients receive appropriate support.

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