BackgroundThe purpose of this study was to examine racial and socio-economic differences in the receipt of laparoscopic or open surgery among patients with colorectal cancer, and to determine if racial and socio-economic differences exist in post-surgical complications, in-hospital mortality and hospital length of stay among patients who received surgery.MethodsWe conducted a cross-sectional analysis of hospitalized patients with a primary diagnosis of colorectal cancer between 2007 and 2011 using data from Nationwide Inpatient Sample. ICD-9 codes were used to capture primary diagnosis, surgical procedures, and health outcomes during hospitalization. We used logistic regression analysis to determine racial and socio-economic predictors of surgery type, post-surgical complications and mortality, and linear regression analysis to assess hospital length of stay.ResultsA total of 122,631 patients were admitted with a primary diagnosis of malignant colorectal cancer between 2007 and 2011. Of these, 17,327 (14.13 %) had laparoscopic surgery, 70,328 (57.35 %) received open surgery, while 34976 (28.52 %) did not receive any surgery. Black (36 %) and Hispanic (34 %) patients were more likely to receive no surgery compared with Whites (27 %) patients. However, among patients that received any surgery, there were no racial differences in which surgery was received (laparoscopic versus open, p = 0.2122), although socio-economic differences remained, with patients from lower residential income areas significantly less likely to receive laparoscopic surgery compared with patients from higher residential income areas (OR: 0.74, 95 % CI: 0.70-0.78). Among patients who received any surgery, Black patients (OR = 1.07, 95 % CI: 1.01-1.13), and patients with Medicare (OR = 1.16, 95 % CI: 1.11-1.22) and Medicaid (OR = 1.15, 95 % CI: 1.07-1.25) insurance experienced significantly higher post-surgical complications, in-hospital mortality (Black OR = 1.18, 95 % CI: 1.00-1.39), and longer hospital stay (Black β = 1.33, 95 % CI: 1.16-1.50) compared with White patients or patients with private insurance.ConclusionRacial and socio-economic differences were observed in the receipt of surgery and surgical outcomes among hospitalized patients with malignant colorectal cancer in the US.

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The purpose of this paper is to examine the relationship between marijuana use and health outcomes among hospitalized patients, including those hospitalized with a diagnosis of cancer. A total of 387,608 current marijuana users were identified based on ICD‐9 codes for marijuana use among hospitalized patients in the Nationwide Inpatient Sample database between 2007 and 2011. Logistic regression analysis was performed to determine the association between marijuana use and heart failure, cardiac disease, stroke, and in‐hospital mortality. All models were adjusted for age, gender, race, residential income, insurance, residential region, pain, and number of comorbidities. Among hospitalized patients, marijuana use was associated with a 60% increased odds of stroke (OR: 1.60, 95% CI: 1.44–1.77) compared with non‐users, but significantly reduced odds of heart failure (OR: 0.78, 95% CI: 0.75–0.82), cardiac disease (OR: 0.86, 95% CI: 0.82–0.91), or in‐hospital mortality (OR: 0.41, 95% CI: 0.38–0.44). Among cancer patients, odds of in‐hospital mortality was significantly reduced among marijuana users compared with non‐users (OR: 0.44, 95% CI: 0.35–0.55). Hospitalized marijuana users were more likely to experience a stroke compared with non‐users, but less likely to experience in‐hospital mortality. Prospective studies will be needed to better characterize the health effects of marijuana use, especially among older, sicker, and/or hospitalized patients. In the meantime, conversations regarding marijuana use/misuse may be warranted in the clinical setting in order for patients and healthcare providers to adequately weigh the anticipated benefits of marijuana use with potentially significant health risks.

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ImportanceSurvivors of blood or marrow transplant (BMT) are at increased risk of subsequent malignant neoplasms (SMNs). Cancers of the gastrointestinal (GI) system are of special interest because their clinical behavior is often aggressive, necessitating early detection by increasing awareness of high-risk populations.ObjectiveTo describe the risk of SMNs in the GI tract after BMT.Design, Setting, and ParticipantsA cohort study of 6710 individuals who lived at least 2 years after BMT performed between January 1, 1974, and December 31, 2014, at City of Hope, University of Minnesota, or University of Alabama at Birmingham. End of follow-up was March 23, 2020. Data analysis was performed between September 1, 2022, and September 30, 2022.ExposuresDemographic and clinical factors; therapeutic exposures before or as part of BMT.Main Outcomes and MeasuresDevelopment of SMNs in the GI tract after BMT. Participants self-reported SMNs in the GI tract; these were confirmed with pathology reports, medical records, or both. For deceased patients, death records were used. Standardized incidence ratios determined excess risk of SMNs in the GI tract compared with that of the general population. Fine-Gray proportional subdistribution hazard models assessed the association between risk factors and SMNs in the GI tract.ResultsThe cohort of 6710 individuals included 3444 (51.3%) autologous and 3266 (48.7%) allogeneic BMT recipients. A total of 3917 individuals (58.4%) were male, and the median age at BMT was 46 years (range, 0-78 years). After 62 479 person-years of follow-up, 148 patients developed SMNs in the GI tract. The standardized incidence ratios for developing specific SMNs ranged from 2.1 for colorectal cancer (95% CI, 1.6-2.8; P < .001) to 7.8 for esophageal cancer (95% CI, 5.0-11.6; P < .001). Exposure to cytarabine for conditioning (subdistribution hazard ratio [SHR], 3.1; 95% CI, 1.5-6.6) was associated with subsequent colorectal cancer. Compared with autologous BMT recipients, allogeneic BMT recipients with chronic graft-vs-host disease were at increased risk for esophageal cancer (SHR, 9.9; 95% CI, 3.2-30.5). Conditioning with etoposide (SHR, 2.0; 95% CI, 1.1-3.5) and pre-BMT anthracycline exposure (SHR, 5.4; 95% CI, 1.3-23.4) were associated with an increased risk of liver cancer compared with no exposure to the respective agents.Conclusions and RelevanceThe findings of this cohort study are relevant for oncologists and nononcologists who care for the growing number of survivors of transplant. Awareness of subgroups of survivors of BMT at high risk for specific types of SMNs in the GI tract may influence recommendations regarding modifiable risk factors, as well as individualized screening.

There is limited information regarding COVID-19 in long-term blood or marrow transplant (BMT) survivors. We leveraged the BMT Survivor Study (BMTSS) to address this gap. BMTSS included patients who underwent BMT at one of three US sites between 1974 and 2014 and survived ≥2 years after BMT. A sibling cohort serves as a non-BMT comparison group. Participants (2,430 BMT survivors; 780 non-BMT participants) completed the BMTSS survey between 10/2020 and 11/2021 about COVID-19 testing, risk mitigation behaviors, morbidity, and healthcare utilization. Median age at BMT was 46 years (range: 0-78 years) and median follow up since BMT was 14 years (6-46 years); 76% were non-Hispanic white, 54% had received allogeneic BMT. The risk of COVID-19 infection was comparable for BMT survivors vs non-BMT participants (15-month cumulative incidence: 6.5% vs. 8.1%; adjusted odd ratio [aOR]=0.93, 95%CI=0.65-1.33, p=0.68). Among survivors, being unemployed (aOR=1.90, 95%CI=1.12-3.23, p=0.02; reference: retired) increased the odds of infection; always wearing a mask in public was protective (aOR=0.49, 95%CI=0.31-0.77. p=0.002; reference: not always masking). When compared with COVID positive non-BMT participants, COVID positive BMT survivors had higher odds of hospitalization (aOR=2.23, 95%CI=0.99-5.05, p=0.05); however, the odds of emergency department visits were comparable (aOR=1.60, 95%CI=0.71-3.58, p=0.25). COVID-19 infection status did not increase the odds of hospitalization among BMT survivors (aOR=1.32, 95%CI=0.89-1.95, p=0.17, but did increase the odds of ED visits (aOR=2.63, 95%CI=1.74-3.98, p=<0.0001). These findings inform healthcare providers about the management of long-term BMT survivors during the ongoing pandemic.

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