Variation in Long-Term Postoperative Mortality Risk by Race/Ethnicity After Major Non-cardiac Surgeries in the Veterans Health Administration

BACKGROUND

Few large sample studies have examined whether disparities, as measured by the proxy of race/ethnicity, are observed in long-term mortality after high-risk operations performed in a United States national health system. We compared operation year-related mortality risk by race/ethnicity after high-risk operative interventions among patients receiving care within the VHA.

METHODS

From the Veterans Affairs Corporate Data Warehouse and Surgical Quality Improvement Program, data were retrieved for 426,695 patients undergoing high-risk surgical procedures in non-cardiac, general, vascular, thoracic, orthopedic, neurosurgery, and genitourinary specialties between 2000 and 2018. Operation year was used as a surrogate measure of advances in technology and perioperative management. Underrepresented race/ethnicity groups were compared in a binary form with Caucasian/White race, as the reference category. The primary outcome was time to mortality, defined as death occurring at any time, due to any cause, during follow up, and after the initial, eligible surgery.

RESULTS

The median follow-up after 537,448 operations among 426,695 patients was 4.8 years. After adjustment for preoperative risk factors and demographics, long-term mortality risk decreased significantly to a hazard ratio of 0.96 (95% confidence interval, 0.962 to 0.964) over calendar time. Long-term mortality was not significantly higher among African Americans/Blacks compared to Caucasians/Whites (p = 0.22). Among Hispanics, differences in mortality risk favored Caucasians/Whites in the early years under study-a difference that dissipated as time progressed. In the most recent years, no difference in mortality was observed among Asian/Native Americans and Caucasians/Whites.

CONCLUSIONS

Risk-adjusted long-term mortality after high-risk operations among Veterans Affairs hospitals did not significantly vary between African Americans/Blacks, Hispanics, and Asian/Native Americans groups.

Esophageal cancer in Hispanics: a demographic analysis of the National Cancer Database

BACKGROUND

Hispanics are the fastest-growing minority and the second largest ethnic group in the United States, accounting for 18% of the national population. The American Cancer Society estimated 18,440 new cases of esophageal cancer (EC) in the United States in 2020. Hispanics are reported to be at high risk of EC. We sought to interrogate the demographic patterns of EC in Hispanics. Secondary objective was to examine evidence of socioeconomic disparities and differential therapy.

METHODS

We identified Hispanic vs non-Hispanic patients with EC in the National Cancer Database between 2005 and 2015. Groups were statistically equated through propensity score-matched analysis.

RESULTS

A total of 3205 Hispanics (3.8%) were identified among 85,004 patients with EC. We identified significant disparities between Hispanic and non-Hispanic groups. Disparities among Hispanics included higher prevalence of squamous EC, higher likelihood of stage IV cancer diagnosis, younger age, uninsured status, and income< $38,000. Hispanics were less likely to have surgical intervention or any type of treatment when compared to non-Hispanics. Multivariate analysis showed that age, ethnicity, treatment, histology, grade, stage, and Charlson-Deyo scores were independent predictors of survival. Treated Hispanics survived longer than non-Hispanics.

CONCLUSION

Despite the lower prevalence of EC, there is a disproportionately higher prevalence of metastatic and untreated cases among Hispanics. This disparity may be explained by Hispanics' limited access to medical care, exacerbated by their socioeconomic and insurance status. Further study is warranted to examine these health disparities among Hispanics.

Asian Americans have higher 30-day surgical complications after esophagectomy: A propensity-score matched study from ACS-NSQIP database

BACKGROUND

Despite Asian Americans having a heightened risk profile for esophageal cancer, racial disparities within this group have not been investigated. This study seeks to evaluate the 30-day postoperative outcomes for Asian Americans following esophagectomy.

METHODS

A retrospective analysis was performed using ACS-NSQIP esophagectomy targeted database 2016-2021. A 1:3 propensity-score matching was applied to Asian Americans and Caucasians who underwent esophagectomy to compare their 30-day outcomes.

RESULTS

There were 229 Asian Americans and 5303 Caucasians identified. Asian Americans were more likely to have squamous cell carcinoma than adenocarcinoma. After matching, 687 Caucasians were included. Asian Americans had higher pulmonary complications (22.27 ​% vs 16.01 ​%, p ​= ​0.04) especially pneumonia (16.59 ​% vs 11.06 ​%, p ​= ​0.04), renal dysfunction (2.62 ​% vs 0.44 ​%, p ​= ​0.01) especially progressive renal insufficiency (1.31 ​% vs 0.15 ​%, p ​< ​0.05), and bleeding events (18.34 ​% vs 9.02 ​%, p ​< ​0.01). In addition, Asian Americans had longer LOS (11.83 ​± ​9.39 vs 10.23 ​± ​7.34 days, p ​= ​0.03).

CONCLUSION

Asian Americans were found to face higher 30-day surgical complications following esophagectomy. Continued investigation into the underlying causes and potential mitigation strategies for these disparities are needed.

Racial Disparity in Esophageal Squamous Cell Carcinoma Treatment and Survival in the United States

INTRODUCTION

Esophageal squamous cell carcinoma (ESCC) has a higher incidence and prevalence than esophageal adenocarcinoma among Black individuals in the United States. Black individuals have lower ESCC survival. These racial disparities have not been thoroughly investigated. We examined the disparity in treatment and survival stratified by ESCC stage at diagnosis.

METHODS

The Surveillance, Epidemiology, and End Results database was queried to identify patients with ESCC between 2000 and 2019. The identified cohort was divided into subgroups by race. Patient and cancer characteristics, treatment received, and survival rates were compared across the racial subgroups.

RESULTS

A total of 23,768 patients with ESCC were identified. Compared with White individuals, Black individuals were younger and had more distant disease during diagnosis (distant disease: 26.7% vs 23.8%, P < 0.001). Black individuals had lower age-standardized 5-year survival for localized (survival % [95% confidence interval]: 19.3% [16-22.8] vs 27.6% [25.1-30.2]), regional (14.3% [12-16.7] vs 21.1% [19.6-22.7]), and distant (2.9% [1.9-4.1] vs 6.5% [5.5-7.5]) disease. Black individuals were less likely to receive chemotherapy (54.7% vs 57.5%, P = 0.001), radiation (58.5% vs 60.4%, P = 0.03), and surgery (11.4% vs 16.3%, P < 0.0001).

DISCUSSION

Black individuals with ESCC have a lower survival rate than White individuals. This could be related to presenting at a later stage but also disparities in which treatments they receive even among individuals with the same stage of disease. To what extent these disparities in receipt of treatment is due to structural racism, social determinants of health, implicit bias, or patient preferences deserves further study.

Using the Social Vulnerability Index to Analyze Statewide Health Disparities in Cholecystectomy

INTRODUCTION

Addressing the effects of social determinants of health in surgery has become a national priority. We evaluated the utility of the Social Vulnerability Index (SVI) in determining the likelihood of receiving cholecystectomy for cholecystitis in Texas.

METHODS

A retrospective study of adults with cholecystitis in the Texas Hospital Inpatient Discharge Public Use Data File and Texas Outpatient Surgical and Radiological Procedure Data Public Use Data File from 2016 to 2019. Patients were stratified into SVI quartiles, with the lowest quartile as low vulnerability, the middle two as average vulnerability, and the highest as high vulnerability. The relative risk (RR) of undergoing surgery was calculated using average vulnerability as the reference category and subgroup sensitivity analyses.

RESULTS

A total of 67,548 cases were assessed, of which 48,603 (72.0%) had surgery. Compared with the average SVI groups, the low vulnerability groups were 21% more likely to undergo cholecystectomy (RR = 1.21, 95% confidence interval [CI] 1.18-1.24), whereas the high vulnerability groups were 9% less likely to undergo cholecystectomy (RR = 0.91, 95% CI 0.88-0.93). The adjusted model showed similar results (RR = 1.05, 95% CI 1.04-1.06 and RR = 0.97, 95% CI 0.96-0.99, for low and high vulnerability groups, respectively). These results remained significant after stratifying for age, sex, ethnicity, and insurance status. However, the differences between low, average, and high vulnerability groups diminished in rural settings, with lower surgery rates in all groups.

CONCLUSIONS

Patients with higher SVI were less likely to receive an elective cholecystectomy. SVI is an effective method of identifying social determinants impacting access to and receipt of surgical care.

Evaluating the Impact of Race and Ethnicity on Health-Related Quality of Life Disparities in Patients with Esophageal Cancer: A SEER-MHOS National Database Study

BACKGROUND

It is unclear whether health-related quality of life (HRQOL) disparities exist between racial/ethnic groups in older patients with esophageal cancer, pre- and post-diagnosis.

METHODS

Using the SEER-MHOS (Surveillance, Epidemiology, and End Results and Medicare Health Outcomes Survey) national database, we included patients ages 65-years-old or greater with esophageal cancer diagnosed from 1996 to 2017. HRQOL data within 36 months before and after diagnosis were measured by the Physical Component Summary (PCS) and Mental Component Summary (MCS) scores from the SF-36 and VR-12 instruments. Total combined score (TCS) was reflected by both PCS and MCS.

RESULTS

We identified 1,312 patients, with evaluable data on 873 patients pre-diagnosis and 439 post-diagnosis. On pre-diagnosis cohort MVA, the MCS was better for White over Hispanic patients (54.1 vs. 48.6, P = 0.012). On post-diagnosis cohort MVA, PCS was better for Hispanic compared with White (39.8 vs. 34.5, P = 0.036) patients, MCS was better for Asian compared with White (48.9 vs. 40.9, P = 0.034) patients, and TCS better for Asian compared with White (92.6 vs. 76.7, P = 0.003) patients.

CONCLUSIONS

In older patients with esophageal cancer, White patients had better mental HRQOL as compared with Hispanic patients pre-diagnosis. However, post-diagnosis, White patients had worse mental and physical HRQOL compared with Asian and Hispanic patients, respectively, suggesting a greater negative impact on self-reported HRQOL in White patients with esophageal cancer.

IMPACT

To our knowledge, this study is the first to explore HRQOL differences in patients with esophageal cancer of various racial and ethnic groups and warrants further validation in future studies.

Disparities in esophageal cancer incidence and esophageal adenocarcinoma mortality in the United States over the last 25-40 years

BACKGROUND

Esophageal carcinoma presents as 2 types, esophageal adenocarcinoma (EAC) and esophageal squamous cell carcinoma (ESCC) with the frequency of both changing in the United States (US).

AIM

To investigate EAC/ESCC incidence time trends among the 3 main US racial groups and investigate trends in US EAC survival by ethnicity.

METHODS

Twenty-five years (1992-2016) of data from SEER 13 program was analyzed to compare incidence trends in EAC and ESCC between non-Hispanic whites (nHW), non-Hispanic Blacks (nHB) and Hispanics (Hisp) using SEERStat^®. In addition, SEER 18 data, from 1975-2015, on EAC in the US was analyzed to evaluate racial disparities in incidence and survival using SEERStat^® and Ederer II method.

RESULTS

In the 3 major US ethnic groups, age-adjusted incidence of ESCC has declined while EAC has continued to rise from 1992-2016. Of note, in Hisp, the EAC incidence rate increased while ESCC decreased from 1992 to 2016, resulting in EAC as the predominant esophageal cancer subtype in this group since 2011, joining nHW. Furthermore, although ESCC remains the predominant tumor in nHB, the difference between ESCC and EAC has narrowed dramatically over 25 years. EAC survival probabilities were worse in all minority groups compared to nHw.

CONCLUSION

Hisp have joined nHW as US ethnic groups more likely to have EAC than ESCC. Of note, EAC incidence in nHB is increasing at the highest rate nationally. Despite lower EAC incidence in all minority groups compared to nHW, these populations have decreased survival compared to nHW.

Increased Variation in Esophageal Cancer Treatment and Geographic Healthcare Disparity in Michigan

BACKGROUND

Regional variation in complex healthcare is shown to negatively impact health outcomes. We sought to characterize geographic variance in esophageal cancer operation in Michigan.

STUDY DESIGN

Data for patients with locoregional esophageal cancer from the Michigan Cancer Surveillance Program from 2000 to 2013 was analyzed. We reviewed the incidence of esophageal cancer by county and region, and those with locoregional disease receiving an esophagectomy. Counties were aggregated into existing state-level "urban vs rural" designations, regions were aggregated using the Michigan Economic Recovery Council designations, and data was analyzed with ANOVA, F-test, and chi-square test.

RESULTS

Of the 8,664 patients with locoregional disease, 2,370 (27.4%) were treated with operation. Men were significantly more likely to receive esophagectomy than women (p < 0.001). Likewise, White, insured, and rural patients were more likely than non-White (p < 0.001), non-insured (p = 0.004), and urban patients (p < 0.001), respectively. There were 8 regions and 83 counties, with 61 considered rural and 22 urban. Region 1 (Detroit metro area, southeast) comprises the largest urban and suburban populations; with 4 major hospital systems it was considered the baseline standard for access to care. Regions 2 (west; p = 0.011), 3 (southwest; p = 0.024), 4 (east central; p = 0.012), 6 (northern Lower Peninsula; p = 0.008), and 8 (Upper Peninsula; p < 0.001) all had statistically significant greater variance in annual rates of operation compared with region 1. Region 8 had the largest variance and was the most rural and furthest from region 1. The variance in operation rate between urban and rural differed significantly (p = 0.005).

CONCLUSIONS

A significant increase in variation of care was found in rural vs urban counties, as well as in regions distant to larger hospital systems. Those of male sex, White race, rural residence, and those with health insurance were significantly more likely to receive operation.

Racial disparities in time to laparoscopic cholecystectomy for acute cholecystitis

BACKGROUND

Disparities in healthcare exist, yet few data are available on racial differences in time from admission to surgery. This study aimed to compare time from admission to laparoscopic cholecystectomy for acute cholecystitis between non-Hispanic Black and non-Hispanic White patients.

METHODS

Patients who underwent laparoscopic cholecystectomy for acute cholecystitis from 2010 to 2020 were identified using NSQIP. Time to surgery and additional preoperative, operative, and postoperative variables were analyzed.

RESULTS

In the univariate analysis, 19.4% of Black patients experienced a time to surgery >1 day compared with 13.4% of White patients (p < 0.0001). In the multivariable analysis, controlling for potential confounding factors, Black patients were found to be more likely than White patients to experience a time to surgery >1 day (OR 1.23, 95% CI 1.17-1.30, p < 0.0001).

CONCLUSIONS

Further investigation is indicated to better define the nature and significance of gender, race, and other biases in surgical care. Surgeons should be aware that biases may adversely impact patient care and should strive to identify and proactively address them to promote health equity in surgery.

Association between hospital safety-net burden and receipt of trimodality therapy and survival for patients with esophageal cancer

BACKGROUND

To examine the relationship between hospital safety-net burden and (1) receipt of surgery after chemoradiation (trimodality therapy) and (2) survival in esophageal cancer patients.

METHODS

The National Cancer Database was queried to identify 22,842 clinical stage II to IVa esophageal cancer patients diagnosed in 2004 to 2015. The treatment facilities were categorized by proportion of uninsured/Medicaid-insured patients into percentiles. No safety-net burden hospitals (0-37th percentile) treated no uninsured/Medicaid-insured patients, whereas low (38-75th percentile) and high (76-100th percentile) safety-net burden hospitals treated a median (range) of 8.8% (0.87%-16.7%) and 23.6% (16.8%-100%), respectively. Adjusted odds ratios and hazard ratios with 95% confidence intervals were computed, adjusting for patient, tumor, and treatment characteristics.

RESULTS

Compared to no safety-net burden hospital patients, high safety-net burden hospital patients were significantly more likely to be young, Black, and low-income. Age, female sex, Black race, Hispanic ethnicity, nonprivate insurance, lower income, higher comorbidity score, upper esophageal location, squamous cell histology, higher stage, time to treatment, and treatment at a community program or a low-volume facility were associated with lower odds of receiving trimodality therapy. Adjusting for these factors, high safety-net burden hospital patients were less likely to receive surgery after chemoradiation versus no safety-net burden hospital patients (adjusted odds ratio 0.77 [95% confidence interval 0.68-0.86], P < .0001); no difference was detected comparing low safety-net burden hospitals versus no safety-net burden hospitals (adjusted odds ratio 1.01 [0.92-1.11], P = .874). No significant survival difference was noted by safety-net burden (low safety-net burden hospitals versus no safety-net burden hospitals: adjusted hazard ratio 1.01 [0.96-1.06], P = .704; high safety-net burden hospital versus no safety-net burden hospitals: adjusted hazard ratio 0.99 [0.93-1.06], P = .859).

CONCLUSION

Adjusting for patient, tumor, and treatment factors, high safety-net burden hospital patients were less likely to undergo surgery after chemoradiation but without significant survival differences.

Oncological outcomes of squamous cell carcinoma of the cervical esophagus treated with definitive (chemo-)radiotherapy: a systematic review and meta-analysis

PURPOSE

To determine the oncological outcomes of cervical esophageal squamous cell carcinoma (CESCC) treated with definitive chemoradiotherapy (CRT).

METHODS

A systematic review and meta-analysis was performed according to the PRISMA guidelines.

RESULTS

A total of 1222 patients (median age: 63.0 years, 95% CI 61.0-65.0) were included from 22 studies. The median follow-up time was 34.0 months (n = 1181, 95% CI 26.4-36.0). Estimated pooled OS rates (95% CI) at 1, 3, and 5 years were 77.9% (73.9-82.2), 48.4% (43.2-54.3), and 35.3% (29.7-41.9), respectively. The median OS (95% CI) was 33.4 months (25.8-42.2). Estimated pooled PFS rates (n = 595; 95% CI) at 1, 3, and 5 years were 64.1% (57.9-71.0), 38.0% (33.3-45.5), and 29.8% (23.9-37.1), respectively. The median PFS (95% CI) was 19.8 months (14.9-26.6).

CONCLUSIONS

Definitive CRT is a valuable first-line treatment for the management of CESCC. Further studies should focus on survival predictors able to define stage-based clinical guidelines.

Racial disparities in minimally invasive esophagectomy and gastrectomy for upper GI malignancies

BACKGROUND

Esophageal cancer and gastric cancer are two important causes of upper GI malignancies. Literature has shown that minimally invasive esophagectomies (MIE) and gastrectomies (MIG), have shorter length of stay and fewer complications. However, limited literature exists about the association between race and access to MIE and MIG. This study aims to identify the racial disparities in the different approaches to esophagectomy and gastrectomy. We further evaluate the relationship between the race and postoperative complications.

METHODS

This IRB-approved retrospective study utilized data from the American College of Surgeons National Quality Improvement Program. All recorded cases of MIE, MIG, open gastrectomy, and esophagectomy between 2012 and 2019 were isolated. Propensity score matching and univariate analysis was performed to assess the independent effect of black self-identified race on access and outcomes. p < 0.05 was required to achieve statistical significance.

RESULTS

7891 cases of esophagectomy and 5,132 cases of gastrectomy cases were identified. Using Propensity and logistic regression, we identified that black self-reported race is an independent predictor of open approach to gastrectomy (OR 1.6871943, 95% CI 1.431464-1.989829, p < 0.001). Black self-reported race was not predictive of operative approach among esophagectomy patients (OR 0.7942576, 95% CI 0.5698645-1.124228, p = 0.183). In contrast, black self-reported is an independent predictor of postoperative complications among esophagectomy patients only. Esophagectomy patients of black self-reported race were more likely to experience any complication (OR 1.4373437, 95% CI 1.1129239-1.8557096, p = 0.00537), severe complications (OR 1.3818966, 95% CI 1.0653087-1.7888454, p = 0.0144), and death (OR 2.00779762, 95% CI 1.08034921-3.56117535, p = 0.0211) within 30 days of their surgeries.

CONCLUSION

Our analysis revealed a significant racial disparity in access to MIG and a higher incidence of post-operative complications amongst esophagectomy patients. Minimally invasive techniques are underutilized in racial minorities. The findings herein warrant further investigation to eliminate barriers and disparities.

Impact of sociodemographic factors on outcomes in patients with peritoneal malignancies following cytoreduction and chemoperfusion

Background and Objectives

Sociodemographic factors have been shown to impact surgical outcomes. However, the effects of these factors on patients undergoing cytoreductive surgery (CRS) and heated intraperitoneal chemotherapy (HIPEC) are not well known. This study aims to evaluate the impact of sociodemographic factors on patients undergoing CRS/HIPEC.

Methods

Adult patients at a tertiary center who underwent CRS/HIPEC were evaluated. Perioperative variables were collected and analyzed. A national database was also used to evaluate patients undergoing CRS/HIPEC.

Results

There were 90 patients who underwent CRS/HIPEC (32% non‐White). There was no statistically significant difference in postoperative complications, length of stay, or discharge disposition based upon race (white vs. non‐White patients), socioeconomic status (SES), or insurance type. Nationally, we found that Black and Hispanic patients were less likely to undergo CRS/HIPEC than Non‐Hispanic white patients (Black: odds ratio [OR]: 0.60, [confidence interval {CI}: 0.39–0.94]; Hispanic: OR: 0.52, [CI: 0.28–0.98]). However, there were no significant differences in postoperative complications based upon race/ethnicity.

Conclusion

Sociodemographic factors including race, SES, and insurance status did not impact postoperative outcomes in patients undergoing CRS/HIPEC at our single institution. On a national level, Black and Hispanic patients underwent CRS/HIPEC at lower rates compared to white patients.

Chemotherapy predictors and a time-dependent chemotherapy effect in metastatic esophageal cancer

BACKGROUND

Chemotherapy has long been shown to confer a survival benefit in patients with metastatic esophageal cancer. However, not all patients with metastatic disease receive chemotherapy.

AIM

To evaluate a large cancer database of metastatic esophageal cancer cases to identify predictors of receipt to chemotherapy and survival.

METHODS

We interrogated the National Cancer Database (NCDB) between 2004-2015 and included patients with M1 disease who had received or did not receive chemotherapy. A logistic regression model was used to examine the associations between chemotherapy and potential confounders and a Cox proportional hazards model was employed to examine the effect of chemotherapy on overall survival (OS). Propensity score analyses were further performed to balance measurable confounders between patients treated with and without chemotherapy.

RESULTS

A total of 29182 patients met criteria for inclusion in this analysis, with 21911 (75%) receiving chemotherapy and 7271 (25%) not receiving chemotherapy. The median follow-up was 69.45 mo. The median OS for patients receiving chemotherapy was 9.53 mo (9.33-9.72) vs 2.43 mo (2.27-2.60) with no chemotherapy. Year of diagnosis 2010-2014 [odds ratio (OR): 1.29, 95% confidence interval (CI): 1.17-1.43, P value < 0.001], median income > $46000 (OR: 1.49, 95%CI: 1.27-1.75, P value < 0.001), and node-positivity (OR: 1.35, 95%CI: 1.20-1.52, P < 0.001) were independent predictors of receiving chemotherapy, while female gender (OR: 0.86, 95%CI: 0.76-0.98, P = 0.019), black race (OR: 0.76, 95%CI: 0.67-0.93, P = 0.005), uninsured status (OR: 0.41, 95%CI: 0.33-0.52, P < 0.001), and high Charlson Comorbidity Index (CCI) (OR for CCI ≥ 2: 0.61, 95%CI: 0.50-0.74, P < 0.001) predicted for lower odds of receiving chemotherapy. Modeling the effect of chemotherapy on OS using a time-dependent coefficient showed that chemotherapy was associated with improved OS up to 10 mo, after which there is no significant effect on OS. Moreover, uninsured status [hazard ratio (HR): 1.20, 95%CI: 1.09-1.31, P < 0.001], being from the geographic Midwest (HR: 1.07, 95%CI: 1.01-1.14, P = 0.032), high CCI (HR for CCI ≥ 2: 1.16, 95%CI: 1.07-1.26, P < 0.001), and higher tumor grade (HR for grade 3 vs grade 1: 1.28, 95%CI: 1.14-1.44, P < 0.001) and higher T stage (HR for T1 vs T4: 0.89, 95%CI: 0.84-0.95, P < 0.001) were independent predictors of worse OS on multivariable analyses.

CONCLUSION

In this large, retrospective NCDB analysis, we identified several socioeconomic and clinicopathologic predictors for receiving chemotherapy and OS in patients with metastatic esophageal cancer. The benefit of chemotherapy on OS is time-dependent and favors early initiation. Focused outreach in lower income and underinsured patients is critical as receipt of chemotherapy is associated with improved OS.

Gastrointestinal and Pancratohepatobiliary Cancers: A Comprehensive Review on Epidemiology and Risk Factors Worldwide

A significant number of cancer cases are afflicted by gastrointestinal cancers annually. Lifestyle and nutrition have a huge effect on gastrointestinal function, and unhealthy habits have become quite widespread in recent decades, culminating in the rapid growth of gastrointestinal cancers. The most prevalent cancers are lip and mouth cancer, esophageal cancer, gastric cancer, liver and bile duct cancer, pancreatic cancer, and colorectal cancer. Risk factors such as red meat consumption, alcohol consumption, tea, rice, viruses such as Helicobacter pylori and Ebstein Bar Virus (EBV), along with reduced physical activity, predispose the gastrointestinal tract to damage and cause cancer. According to the rapid increase of cancer incidence and late diagnosis of gastrointestinal malignancies, further epidemiological researches remain necessary in order to make appropriate population-based preventive policies. In this study, we reviewed clinical symptoms, risk factors, preventative measures, as well as incidence and mortality rates of gastrointestinal malignancies worldwide with focus on Iranian population.

Racial Disparities in Esophageal Cancer

Esophageal cancer is a deadly cancer. Advances in multimodal treatment have improved esophageal cancer outcomes. Advancements have not benefited all races equally. Major disparities in esophageal cancer outcomes exist. Minorities undergo fewer surgical resections of esophageal cancer and have poorer outcomes.

A narrative review of socioeconomic disparities in the treatment of esophageal cancer

The persistent challenges of disparities in healthcare have led to significantly distinct outcomes among patients from different racial, ethnic, and underserved populations. Esophageal Cancer, not unlike other surgical diseases, has seen significant disparities in care. Esophageal cancer is currently the 6th leading cause of death from cancer and the 8th most common cancer in the world. Surgical disparities in the care of patients with Esophageal Cancer have been described in the literature, with a prevailing theme associating minority status with worse outcomes. The goal of this review is to provide an updated account of the literature on disparities in Esophageal Cancer presentation and treatment. We will approach this task through a conceptual framework that highlights the five main themes of surgical disparities: patient-level factors, provider-level factors, system and access issues, clinical care and quality, and postoperative outcomes, care and rehabilitation. All five categories play a complex role in the delivery of high-quality, equitable care for patients with Esophageal Cancer. While describing disparities in care is the first step to correcting them, moving forward, we should focus on developing effective interventions to mitigate disparities, policies linking disparities to quality-of-care metrics, and delivery system change to enable minority patients to more easily access high volume centers.

Racial disparities in provider recommendation for esophagectomy for esophageal carcinoma

BACKGROUND

Racial disparities currently exist for the utilization rate of esophagectomy for Black patients with operable esophageal carcinoma.

METHODS

A total of 37 271 cases with the American Joint Committee on Cancer clinical stage I, II, and III esophageal carcinoma that were reported to the National Cancer Database were analyzed between 2004 and 2016. A multivariable-adjusted logistic regression model was used to evaluate differences in the odds ratio of esophagectomy not being recommended based on race. Kaplan-Meier curves and log-rank tests were used to evaluate differences in overall survival. Propensity score methodology with inverse probability of treatment weighting (IPTW) was used to balance baseline differences in patient demographics.

RESULTS

After IPTW adjustment, we identified 30 552 White patients and 3529 Black patients with clinical stage I-III esophageal carcinoma. Black patients had three times greater odds of not being recommended for esophagectomy (odds ratio: 3.03, 95% confidence interval: 2.67-3.43, p < 0.0001) compared to White patients. Black patients demonstrated significantly worse 3- and 5-year overall survival rates compared to White patients (log-rank p < 0.0001).

CONCLUSION

Black patients with clinical stage I-III esophageal cancer were significantly less likely to be recommended for esophagectomy even after adjusting for baseline demographic covariates compared to White patients.

Racial disparity in curative treatment and survival from solid-organ cancers

Race is an important prognostic factor affecting allocation to intervention and survival from cancer treatment in the USA. The mechanism of this association is an important area for future investigation.

Racial Disparities in Rates of Surgery for Esophageal Cancer: a Study from the National Cancer Database

BACKGROUND

Treatment guidelines for stage I-III esophageal cancer indicate that management should include surgery in appropriate patients. Variations in utilization of surgery may contribute to racial differences observed in survival. We sought to identify factors associated with racial disparities in surgical resection of esophageal cancer and evaluate associated survival differences.

METHODS

Patients diagnosed with stage I-III esophageal cancer from 2004 to 2015 were identified using the National Cancer Database. Matched patient cohorts were created to reduce confounding. Multivariate logistic regression was used to identify factors associated with receipt of surgery. Multi-level modeling was performed to control for random effects of individual hospitals on surgical utilization.

RESULTS

A total of 60,041 patients were included (4402 black; 55,639 white). After 1:1 matching, there were 5858 patients evenly distributed across race. For all stages, significantly fewer black than white patients received surgery. Black race independently conferred lower likelihood of receiving surgery in single-level multivariable analysis (OR (95% CI); stage I, 0.67 (0.48-0.94); stage II, 0.76 (0.60-0.96); stage III, 0.62 (0.50-0.76)) and after controlling for hospital random effects. Hospital-level random effects accounted for one third of the unexplained variance in receipt of surgery. Risk-adjusted 1-, 3-, and 5-year mortality was higher for patients who did not undergo surgery.

CONCLUSION

Black patients with esophageal cancer are at higher risk of mortality compared to white patients. This increased risk may be influenced by decreased likelihood of receiving surgical intervention for resectable disease, in part because of between-hospital differences. Improving access to surgical care may improve disparities in esophageal cancer survival.

Patterns of Care in Neoadjuvant Chemoradiotherapy for Node-Positive Esophageal Adenocarcinoma

BACKGROUND

The aims of this study were to examine the factors associated with use of neoadjuvant chemoradiotherapy (NCR) for patients with locally advanced esophageal cancer and to evaluate the effect of NCR on survival.

METHODS

The 2004 to 2015 National Cancer Database was used to identify patients with cT1-4aN1-3M0 (stage II-IVA) esophageal adenocarcinoma who underwent esophagectomy. Patients were stratified by receipt of NCR. A multivariable logistic regression was performed to examine factors associated with NCR, and survival between the 2 groups was compared using a multivariable Cox model.

RESULTS

Of 8076 patients meeting the study criteria, 1616 (20%) did not receive NCR and 6460 (80%) did. In a multivariable regression, factors associated with receipt of NCR were a later year of diagnosis, treatment in a high-volume center, and clinical stage III disease. Factors associated with nonreceipt of NCR were increasing age, comorbidities, and treatment in a Middle Atlantic, South Central, or Pacific state. Receipt of trimodality therapy was associated with improved survival compared with other or no perioperative therapies (adjusted hazard ratio, 0.80; 95% confidence interval, 0.74-0.87).

CONCLUSIONS

Numerous personal-, demographic-, and treatment center-related factors account for variability in NCR for clinically node-positive esophageal adenocarcinoma, although neoadjuvant therapy was associated with a survival benefit. Further efforts are needed to identify reasons for these differences and design interventions to provide more equitable care for patients with esophageal cancer.

Association Between Marital Status and Racial Disparities in Esophageal Cancer Care

PURPOSE

This study was designed to examine the impact of marital status on racial disparities in esophageal cancer care.

PATIENTS AND METHODS

We performed a secondary analysis of data collected from the state cancer registry maintained by the Michigan Department of Health and Human Services. We identified patients with an esophageal cancer diagnosis between January 1, 2000, and December 31, 2013. χ² test and logistics regression were used to analyze 6,809 patients who met our eligibility criteria. Statistical significance was defined as P ≤ .05.

RESULTS

Approximately 88.4% of our patients were White and 11.6% were Black. A significantly higher number of White patients were married when compared with Blacks (62.9% v 31.8%, respectively; P < .0001). There was no significant difference in cancer staging between the 2 groups (P = .0671). Married Blacks had similar rates of esophagectomy, chemotherapy, and radiation as married Whites. Both single groups had lower rates of esophagectomy and chemotherapy than married Whites, but single Blacks were the least likely to undergo esophagectomy. Single patients were more likely to refuse treatment.

CONCLUSION

Marital status differs significantly in Black and White patients with esophageal cancer and may help explain racial disparities in cancer care. Further research is needed to explore reasons for care underutilization in single patients and whether these differences translate into clinical outcomes.

Progress in research of enhanced recovery after surgery and surgery related differences

Enhanced recovery after surgery (ERAS) refers to the use of standardized, multimodal perioperative strategies to reduce physiological stress and organ dysfunction caused by surgery. Since the ERAS concept was put forward, it has been widely respected in the surgical field. Its benefits in the surgical field for the vast majority of patients, medical staff and healthcare systems are obvious. However, for some specific people undergoing surgery, the benefits are not certain, which is the so-called surgery-related differences. This article analyzes recent studies of different surgical fields related to surgical-related differences in different ethnic groups, reviews a large number of positive effects of the implementation of ERAS on surgical-related differences, and elaborates its possible mechanism. It is finally concluded that ERAS, a standardized model for resolving surgical-related differences, should become the gold standard for surgical perioperative management.

A Competing Risk Analysis Study of Prognosis in Patients with Esophageal Carcinoma 2006-2015 Using Data from the Surveillance, Epidemiology, and End Results (SEER) Database

Background

Competing risk analysis determines the probability of survival and considers competing events. This retrospective study aimed to undertake a competing risk analysis of prognosis in patients with esophageal carcinoma between 2006–2015 using data from the Surveillance, Epidemiology, and End Results (SEER) database.

Material/Methods

Clinicopathological, demographic, and survival data were analyzed for patients with esophageal carcinoma registered in the SEER database between 2006–2015. The competing risk model calculated the cumulative incidence function (CIF) of events of interest and prognosis. The Cox proportional-hazards model and the cause-specific hazard function (CS) were used to generalize the hazard function for competing risks. The Fine-Gray model was used for multivariate analysis. More accurate prognostic factors were analyzed by comparing the hazard ratio (HR) values between groups.

Results

There were 14,695 patients identified with esophageal carcinoma, 9,621 died from esophageal carcinoma, and 1,251 patients died from other causes. The cumulative incidence of events of interest was significant for age at diagnosis, race, primary tumor site, grade, stage, and treatment with surgery, radiotherapy, and chemotherapy (P<0.001). Multivariate analysis showed that age at diagnosis, primary tumor site, grade, stage, and treatment with surgery, radiotherapy, and chemotherapy statuses were independent prognostic factors (P<0.05). The Fine-Gray and the CS model showed that grade, stage, and treatments with surgery, radiotherapy, and chemotherapy were significant independent prognostic factors (P<0.05).

Conclusions

A competing risk model used data from the SEER database to obtain a more accurate estimate of the CIF of esophageal carcinoma-specific mortality and prognostic factors.

Presentation, Treatment, and Outcomes of Vulnerable Populations With Esophageal Cancer Treated at a Safety-Net Hospital

Social determinants of health have been associated with poor outcomes in esophageal cancer. Primary language and immigration status have not been examined in relation to esophageal cancer outcomes. This study aims to investigate the impact of these variables on stage of presentation, treatment, and outcomes of esophageal cancer patients at an urban safety-net hospital. Clinical data of patients with esophageal cancer at our institution between 2003 and 2018 were reviewed. Demographic, tumor, and treatment characteristics were obtained. Outcomes included median overall survival, stage-specific survival, and utilization of surgical and perioperative therapy. Statistical analysis was conducted using Chi-square test, Fisher's exact tests, Kaplan-Meier method, and logistic regression. There were 266 patients; 77% were male. Mean age was 63.9 years, 23.7% were immigrants, 33.5% were uninsured/Medicaid, and 16.2% were non-English speaking. Adenocarcinoma was diagnosed in 55.3% and squamous cell in 41.0%. More patients of non-Hispanic received esophagectomies when compared to those of Hispanic origin (64% vs 25%, P = 0.012). Immigrants were less likely to undergo esophagectomy compared to US-born patients (42% vs 76%, P = 0.001). Patients with adenocarcinoma were more likely than squamous cell carcinoma patients to undergo esophagectomy (odds ratio = 4.40, 95% confidence interval 1.61-12.01, P = 0.004). More commercially/privately insured patients (75%) received perioperative therapy compared to Medicaid/uninsured (54%) and Medicare (49%) patients (P = 0.030). There was no association between demographic factors and the utilization of perioperative chemoradiation for patients with operable disease. Approximately 23% of patients with operable disease were too frail or declined to undergo surgical intervention. In this small single-center study, race and primary language were not associated with median survival for patients treated for esophageal cancer. US-born patients experienced higher surgical utilization and privately insured patients were more likely to receive perioperative therapy. Many patients with operable cancer were too frail to undergo a curative surgery. Studies should expand on the relationships between social determinants of health and nonclinical services on delivery of care and survival of vulnerable populations with esophageal cancer.

Incidence and Survival Changes in Patients with Esophageal Adenocarcinoma during 1984-2013

Purpose

The morbidity of esophageal adenocarcinoma (EAC) has significantly increased in Western countries. We aimed to identify trends in incidence and survival in patients with EAC in the recent 30 years and then analyzed potential risk factors, including race, sex, age, and socioeconomic status (SES).

Methods

All data were collected from the Surveillance, Epidemiology, and End Results or SEER database. Kaplan–Meier analysis and the Cox proportional hazards model were conducted to compare the differences in survival between variables, including sex, race, age, and SES, as well as to evaluate the association of these factors with prognosis.

Results

A total of 16,474 patients with EAC were identified from 1984 to 2013 in the United States. Overall incidence increased every 10 years from 1.8 to 3.1 to 3.9 per 100. Overall survival gradually improved (p < 0.0001), which was evident in male patients ((hazard ratio (HR) = 1.111; 95% confidence interval (CI) (1.07, 1.15)); however, the 5-year survival rate remained low (20.1%). The Cox proportional hazards model identified old age, black ethnicity, and medium/high poverty as risk factors for EAC (HR = 1.018; 95% CI (1.017, 1.019; HR = 1.240, 95% CI (1.151,1.336), HR = 1.000, 95% CI (1.000, 1.000); respectively).

Conclusions

The incidence of EAC in the United States increased over time. Survival advantage was observed in white patients and patients in the low-poverty group. Sex was an independent prognostic factor for EAC, but this finding has to be confirmed by further research.

Outcome of delayed versus timely esophagectomy after chemoradiation for esophageal adenocarcinoma

BACKGROUND

Salvage and delayed esophagectomy after chemoradiation therapy (CRT) have been associated with increased morbidity and mortality, but recent series have shown similar outcomes compared to timely esophagectomy. We aim to evaluate outcomes for delayed and salvage esophagectomy for esophageal adenocarcinoma utilizing a large national database.

METHODS

The National Cancer Database for 2004 to 2014 was queried for patients with clinical stage II or III esophageal adenocarcinoma who underwent preoperative CRT and esophagectomy. Patients who underwent surgery <90 days after CRT were defined as the timely esophagectomy group (n = 7822), and those who underwent surgery ≥90 days after CRT were defined as the delayed esophagectomy group (n = 667).

RESULTS

A total of 8489 patients met our inclusion criteria. The median post-CRT interval was 49 days (range, 40-61 days) for the timely esophagectomy group and 109 days (range, 97-132 days) for the delayed esophagectomy group. The delayed group was more likely to be of black race (2.3% vs 1.2%; P < .01) and more likely to have Medicare (47.9% vs 39.8%; P < .001). There were no significant between-group differences in chemotherapy regimens (P = .17), radiation dose (P = .18), or surgical approach (P = .48). The delayed esophagectomy group had higher rates of pathological complete response (22.2% vs 18.6%; P = .043) and 90-day postoperative mortality (10.4% vs 7.8%; P < .01). On multivariate analysis, delayed esophagectomy was not independently associated with decreased overall survival.

CONCLUSIONS

In this large retrospective database study, despite increased perioperative mortality, delayed and salvage esophagectomy for adenocarcinoma appear to have similar long-term survival as timely esophagectomy. Delayed and salvage esophagectomy may be offered to patients who do not receive timely esophagectomy after CRT.

Regionalization of esophagectomy: where are we now?

The morbidity and mortality benefits of performing high-risk operations in high-volume centers by high-volume surgeons are evident. Regionalization is a proposed strategy to leverage high-volume centers for esophagectomy to improve quality outcomes. Internationally, regionalization occurs under national mandates. Those mandates do not exist in the United States and spontaneous regionalization of esophagectomy has only modestly occurred in the U.S. Regionalization must strike a careful balance and not limit access to optimal oncologic care to our most vulnerable cancer patient populations in rural and disadvantaged socioeconomic areas. We reviewed the recent literature highlighting: the justification of hospital and surgeon annual esophagectomy volumes for regionalization; how safety performance metrics could influence regionalization; whether regionalization is occurring in the US; what impact regionalization may have on esophagectomy costs; and barriers to patients traveling to receive oncologic treatment at regionalized centers of excellence.

Racial Disparities, Outcomes, and Surgical Utilization among Hispanics with Esophageal Cancer: A Surveillance, Epidemiology, and End Results Program Database Analysis

BACKGROUND

Hispanic patients with esophageal cancer (EC) have racially disparate survival outcomes compared with white patients.

OBJECTIVES

We explored the impact on survival of racial differences in socioeconomic factors, tumor characteristics, and rates of surgical utilization in patients with EC.

METHOD

Using the SEER (Surveillance, Epidemiology, and End Results) registry, we identified 22,531 cases of EC in Hispanic and white patients between the ages of 18 and 65 years in 2003-2014. Of these, 6,250 cases had locoregional EC. Patients were categorized according to age, gender, education, tumor grade, histology, primary tumor site, and surgical status. Postdiagnosis survival was examined over time and compared by race and stratified by surgical status.

RESULTS

Compared with whites, Hispanics with EC had significantly higher unadjusted mortality (hazard ratio [HR] 1.11; 95% confidence interval [CI] 1.06-1.17; p < 0.001) as did Hispanics with locoregional EC (HR 1.15; 95% CI 1.03-1.29; p = 0.01). In the multivariate analysis, several socioeconomic and tumor factors were found to be independently associated with survival by race, including county of residence income and prevalence of smoking, tumor grade, stage, and primary site, and surgical utilization. After adjusting for demographic and tumor characteristics, surgical utilization in patients with locoregional EC had a significant interaction with race on overall mortality (p = 0.01). Hispanics with locoregional EC were significantly less likely to receive surgery than whites (46 vs. 60%; p < 0.001) and not receiving surgery was associated with a significantly lower overall survival (HR 2.84; 95% CI 2.65-3.04; p < 0.001).

CONCLUSIONS

A lower rate of surgery among Hispanics with potentially resectable esophageal cancer was associated with a decreased survival rate when compared to whites, even when adjusting for relevant socioeconomic and tumor factors. These data support the need to better address patient barriers to surgical treatment and the systemic biases present in medical care.

Racial Disparities with Esophageal Cancer Mortality at a High-Volume University Affiliated Center: An All ACCESS Invitation

BACKGROUND

Esophageal cancer (EC) has a dismal prognosis with 5-year survival < 19%. Black patients with EC have higher mortality than white patients, but the cause of this disparity is unclear. We sought to investigate the impact of race upon overall mortality (OM) among EC patients at our institution.

METHODS

We performed a single-center retrospective review of all patients diagnosed with EC between January 2010 through December 2016 with follow-up through October 2017. We compared the difference among categorical variables and mortality using Fisher's exact test. Odds ratios (OR) and hazard regression (HR) were constructed to analyze treatment options by race. The Kaplan-Meier method was used to plot OM curves by race. We also used a logistic regression analysis to construct a predictive model for mortality based on histology and race.

RESULTS

We identified 77 patients (62% male) diagnosed with EC. There was no difference in treatments offered based on race. After adjusting for age, histology and stage, we found mortality was significantly higher in blacks when compared to whites (HR 14.07, 95% CI [2.33-129.70] p < 0.008). Our predictive model revealed that blacks had a higher probability of mortality at all stages of EC.

CONCLUSIONS

We found race to be an independent risk factor for OM in EC patients. This likely reflects differences in healthcare utilization or access, as evidenced by higher prevalence of Stage IV EC in black patients. Continued investigation is needed to address this disparity locally and nationally.

National guidelines may reduce socioeconomic disparities in treatment selection for esophageal cancer

The 2011 National Comprehensive Cancer Network guidelines first incorporated the results of the landmark CROSS trial, establishing induction therapy (chemotherapy ± radiation) and surgery as the treatment standard for locoregional esophageal cancer in the United States. The effect of guideline publication on socioeconomic status (SES) inequalities in cancer treatment selection remains unknown. Patients diagnosed with Stage II/III esophageal cancer between 2004 and 2013 who underwent curative treatment with definitive chemoradiation or multimodality treatment (induction and surgery) were identified from the Surveillance, Epidemiology and End Results (SEER)-Medicare registry. Clinicopathologic characteristics were compared between the two therapies. Multivariable regression analysis was used to adjust for known factors associated with treatment selection. An interaction term with respect to guideline publication and SES was included Of the 2,148 patients included, 1,478 (68.8%) received definitive chemoradiation and 670 (31.2%) induction and surgery. Guideline publication was associated with a 16.1% increase in patients receiving induction and surgery in the low SES group (21.4% preguideline publication vs. 37.5% after). In comparison, a 4.5% increase occurred during the same period in the high SES status group (31.8% vs. 36.3%). After adjusting for factors associated with treatment selection, guideline publication was associated with a 78% increase in likelihood of receiving induction and surgery among lower SES patients (odds ratio 1.78; 95% confidence interval (CI): 1.05,3.03). Following the new guideline publication, patients living in low SES areas were more likely to receive optimal treatment. Increased dissemination of guidelines may lead to increased adherence to evidence-based treatment standards.

Higher clinical suspicion is needed for prompt diagnosis of esophageal adenocarcinoma in young patients

BACKGROUND

Esophageal cancer is considered a disease of the elderly. Although the incidence of esophageal adenocarcinoma in young patients is increasing, current guidelines for endoscopic evaluation of gastroesophageal reflux disease and Barrett's esophagus include age as a cutoff. There is a paucity of data on the presentation and treatment of esophageal cancer in young patients. Most studies are limited by small sample sizes, and conflicting findings are reported regarding delayed diagnosis and survival compared with older patients.

METHODS

A retrospective cohort study was performed using the National Cancer Database between 2004 and 2015. Patients with esophageal adenocarcinoma were divided into quartiles by age (18-57, 58-65, 66-74, 75+ years) for comparison. Clinicopathologic and treatment factors were compared between groups.

RESULTS

A total of 101,596 patients were identified with esophageal cancer. The youngest patient group (18-57 years) had the highest rate of metastatic disease (34%). No difference in tumor differentiation was observed between age groups. Younger patient groups were more likely to undergo treatment despite advanced stage at diagnosis. Overall 5-year survival was better for younger patients with local disease, but the difference was less pronounced in locoregional and metastatic cases.

CONCLUSIONS

In this study, young patients were more likely to have metastatic disease at diagnosis. Advanced stage in young patients may reflect the need for more aggressive clinical evaluation in high-risk young patients.

Underuse of Surgery Accounts for Racial Disparities in Esophageal Cancer Survival Times: A Matched Cohort Study

BACKGROUND & AIMS

There are racial disparities in survival times of patients with esophageal cancer. We examined the sequential effects of characteristics, diagnosis, and treatment-related factors on the disparity in survival times of black vs white patients with esophageal cancer.

METHODS

We identified 1900 black and 15,523 non-Hispanic white (NHW) patients, 65 years or older, diagnosed with esophageal squamous cell carcinoma or esophageal adenocarcinoma from 1994 through 2011 in the Surveillance Epidemiology and End Results (SEER)-Medicare database. Patients were followed up until death or December 31, 2012. Three sets of 1900 NHW patients were matched sequentially to the same set of 1900 black patients, based on demographics (age, sex, year of diagnosis, and SEER site), presentation (demographics plus cancer stage, grade, and comorbidity), and treatment (presentation variables plus surgery, chemotherapy, or radiation therapy).

RESULTS

The absolute difference in 5-year survival between black patients (13.3%) and NHW patients (18.4%) was 5.1% (95% CI, 2.3%-7.7%; P = .001) in the demographics match. After we matched for presentation, the difference in 5-year survival was reduced to 2.3% (95% CI, 0.3%-4.8%), but remained statistically significant (P = .04). Additional matching of patients on treatment-related factors eliminated the racial difference in 5-year survival (P = .59). Among patients matched for disease presentation, only 10.8% of black patients underwent surgery, compared with 22.8% of NHW patients (P < .001). Histology, tumor location, socioeconomic status, chemotherapy, and radiation therapy each were associated with the receipt of surgery. None of these factors, however, could explain the racial difference in the receipt of surgery.

CONCLUSIONS

In the SEER-Medicare database, underuse of surgical treatment can account for the disparities in survival times between black and NHW patients with esophageal cancer.

Influence of Patients' Age in the Utilization of Esophagectomy for Esophageal Adenocarcinoma

BACKGROUND

The indication of surgical resection in esophageal cancer is often conditioned by patient's age. We aimed to assess the trends in utilization of surgical treatment for esophageal adenocarcinoma (EAC) in the United States, stratified by age groups.

METHODS

We performed a retrospective analysis of the National Cancer Institute's Surveillance, Epidemiology, and End Results program registry for the period 2004-2014. Adult patients (aged ≥18 years) diagnosed with EAC were eligible for inclusion. The yearly incidence of esophagectomy, stratified by age groups (18-49, 50-70, and >70 years old), was calculated using Poisson regression. Weighted log-binomial regression was used to compare the proportion of patients undergoing esophagectomy, within each age group. Inverse probability of treatment weights were used to account for potential confounders.

RESULTS

A total of 21,301 patients were included. During the study period, the rate of esophagectomy decreased from 34.1% to 28.2% (P = .40) in patients between 18 and 49 years old, from 38.6% to 33.3% (P = .06) in patients between 50 and 70 years old, and from 21.4% to 16.9% (P = .04) in patients older than 70 years. After accounting for patient and cancer characteristics, patients older than 70 years were 50% less likely to undergo esophagectomy compared with both patients between 18 and 49 years old (risk ratio [RR] 0.51, 95% confidence interval [CI] 0.45-0.57, P < .0001) and patients between 50 and 70 years old (RR 0.53, 95% CI 0.50-0.56, P < .0001).

CONCLUSION

Surgical resection is scarcely used in patients older than 70 years in the United States. Further investigation of surgical outcomes in elderly patients is warranted to determine if surgical treatment is underutilized in a large proportion of EAC patients.

Survival Disparities by Race and Ethnicity in Early Esophageal Cancer

BACKGROUND

Survival outcome disparities among esophageal cancer patients exist, but are not fully understood.

AIMS

We used the Surveillance, Epidemiology, and End Results (SEER)-Medicare linked database to determine whether survival differences among racial/ethnic patient populations persist after adjusting for demographic and clinical characteristics.

METHODS

Our study included T1-3N0M0 adenocarcinoma and squamous cell cancer patients diagnosed between 2003 and 2011. We compared survival among two racial/ethnic patient subgroups using Cox proportional hazards methods, adjusting for age, sex, histology, marital status, socioeconomics, SEER region, comorbidities, T stage, tumor location, diagnosis year, and treatment received.

RESULTS

Among 2025 patients, 87.9% were White and 12.1% were Nonwhite. Median survival was 18.7 months for Whites vs 13.8 months for Nonwhites (p = 0.01). In the unadjusted model, Nonwhite patients had higher risk of mortality (HR = 1.29, 95% CI 1.11-1.49, p < 0.0001) when compared to White patients; however, in the Cox regression adjusted model there was no significant difference (HR = 0.94, 95% CI 0.80-1.10, p = 0.44). Surgery, chemotherapy, younger age, lower T stage, and lower Charlson comorbidity score were significant predictors in the full adjusted model.

CONCLUSIONS

Differences in mortality risk by race/ethnicity appear to be largely explained by additional factors. In particular, associations were seen in surgery and T stage. Further research is needed to understand potential mechanisms underlying the differences and to better target patients who can benefit from treatment options.

Epidemiology and Survival of Esophageal Cancer Patients in an American Cohort

Objectives This study seeks to delineate trends in esophageal cancer patients in an American cohort and, in particular, examine the impact of race and histology on survival. Methods The association between over 50 variables between histology and race subgroups was evaluated. Survival was calculated using Kaplan-Meier curves and a multivariable Cox regression analysis (MVA) was performed. Results Poorer survival was noted in black vs. white (193 ± 65 days vs. 254 ± 39, 95% CI 205-295, p=0.07) and squamous cell cancer (SCC) vs. adenocarcinoma (AC) (233 ± 24 days vs. 303 ± 48, 95% CI 197-339, p=0.01) patients. In patients with resectable cancer, blacks had poorer survival than whites (253 ± 46 days vs. 538 ± 202, 95% CI 269-603, p=0.03), and SCC had poorer survival than AC (333 ± 58 vs. 638 ± 152 days, 95% CI 306-634, p=0.006). A higher percentage of white patients received surgery compared to black patients (36% vs. 8%, p=0.08). MVA revealed that only surgery was an independent predictor of mortality (p=0.001). Conclusion Black race and SCC were associated with poorer survival. On MVA, surgery was an independent predictor of mortality. Clinicians should be aggressive in offering potentially curative procedures to patients and eliminating socioeconomic barriers.

Predictors of Failure to Rescue After Esophagectomy

BACKGROUND

Failure to rescue (FTR), defined as death after a major complication, is a metric increasingly being used to assess quality of care. Risk factors associated with FTR after esophagectomy have not been previously studied.

METHODS

The American College of Surgeons National Surgical Quality Improvement Program database was queried for patients who underwent esophagectomy with gastric conduit between 2010 and 2014. Patients with at least one major postoperative complication were grouped according to inhospital mortality (FTR group) and survival to discharge (SUR group). A stepwise logistic regression model was used to identify predictors of FTR.

RESULTS

A total of 1,730 patients comprised the study group, with 102 (5.9%) in the FTR group and 1,628 (94.1%) in the SUR group. The FTR patients were older (69.0 versus 64.0 years, p < 0.0001) compared with the SUR patients. There were no differences in sex, body mass index, preoperative weight loss, smoking status, operation type, or surgeon specialty between the two groups. Age greater than 75 years (adjusted odds ratio 2.68, p < 0.0001), black race (adjusted odds ratio 2.75, p = 0.001), American Society of Anesthesiologists class 4 or 5 (adjusted odds ratio 1.82, p = 0.02), and the occurrence of pneumonia, respiratory failure, acute renal failure, sepsis, or acute myocardial infarction were predictive of FTR based on multivariable logistic regression.

CONCLUSIONS

Nearly 6% of patients who have a major complication after esophagectomy do not survive to discharge. Age greater than 75 years, black race, American Society of Anesthesiologists class 4 or 5, and complications related to major infection or organ failure predict FTR. Further research is necessary to investigate how these factors affect survival after complications in order to improve rescue efforts.

The impact of gender, race, socioeconomic status, and treatment on outcomes in esophageal cancer: A population-based analysis

BACKGROUND

African Americans and Hispanics are reported to have higher mortality from esophageal cancer (EC) than Caucasians. In this study, we analyzed the independent effects of race, gender, treatment, and socioeconomic status (SES) on overall survival (OS).

METHODS

Data for all EC cases between 2004 and 2010 with follow-up through 2012 were obtained from the California Cancer Registry. We conducted descriptive analyses of clinical variables and survival analyses by Kaplan-Meier and Cox proportional hazards methods.

RESULTS

African Americans and Hispanics were more likely to be in the lower SES strata and less likely to receive surgery than Caucasians in this cohort. The proportion of patients receiving chemotherapy and radiotherapy was similar across different racial/ethnic groups. After adjustment for stage, grade, histology, treatments, and SES in multivariate analyses, the mortality risk in African Americans (hazard ratio [HR] 0.96, 95% confidence interval [CI] 0.85-1.07) and Hispanics (HR 0.96, 95% CI 0.89-1.07) did not differ from Caucasians (HR = 1.00, referent), with histology, SES, and surgery largely accounting for unadjusted OS differences. We also observed that African American men had higher adjusted risk of death relative to Caucasian men (HR 1.24, 95% CI 1.07-1.42), but this effect was not observed for African American women compared to Caucasian women (HR 1.12, 95% CI 0.94-1.35).

CONCLUSIONS

Race is not an independent risk factor for OS in our population-based analysis of EC cases. Rather, observed differences in OS by race/ethnicity result from differences in cancer histology, SES, surgery, and gender. Our findings support further health disparities research for this disease.

Racial disparities in cancer-related survival in patients with squamous cell carcinoma of the esophagus in the US between 1973 and 2013

BACKGROUND

Esophageal cancer makes up approximately 1% of all diagnosed cancers in the US. There is a persistent disparity in incidence and cancer-related mortality rates among different races for esophageal squamous cell carcinoma (SCC). Most previous studies investigated racial disparities between black and white patients, occasionally examining disparities for Hispanic patients. Studies including Asians/Pacific Islanders (API) as a subgroup are rare. Our objective was to determine whether there is an association between race and cancer-related survival in patients with esophageal SCC.

METHODS AND FINDINGS

This was a retrospective cohort study using the National Cancer Institute's Surveillance, Epidemiology, and End Result (SEER) database. The SEER registry is a national database that collects information on all incident cancer cases in 13 states of the United States and covers nearly 26% of the US population Patients aged 18 and over of White, Black, or Asian/Pacific Islander (API) race with diagnosed esophageal SCC from 1973 to 2013 were included (n = 13,857). To examine overall survival, Kaplan-Meier curves were estimated for each race and the log-rank test was used to compare survival distributions. Cox proportional hazards models were used to estimate unadjusted and adjusted hazard ratios with 95% confidence intervals. The final adjusted model controlled for sex, marital status, age at diagnosis, decade of diagnosis, ethnicity, stage at diagnosis, and form of treatment. Additional analyses stratified by decade of diagnosis were conducted to explore possible changes in survival disparities over time. After adjustment for potential confounders, black patients had a statistically significantly higher hazard ratio compared to white patients (HR 1.08; 95% confidence interval (CI) 1.03-1.13). However, API patients did not show a statistically significant difference in survival compared with white patients (HR 1.00; 95% CI 0.93-1.07). Patients diagnosed between 1973 and 1979 had twice the hazard of death compared to those diagnosed between 2000 and 2013 (HR 2.05, 95% CI 1.93-2.19). Patients diagnosed in 1980-1989 and 1990-1999 had had HRs of 1.59 (95% CI 1.51-1.68) and 1.33 (95% CI 1.26-1.41), respectively. After stratification according to decade of diagnosis, the HR for black patients compared with white patients was 1.14 (95% CI 1.02-1.29) in 1973-1979 and 1.12 (95% CI 1.03-1.23) in 1980-1989. These disparities were not observed after 1990; the HR for black patients compared with white patients was 1.03 (95% CI 0.93-1.13) in 1990-1999 and 1.05 (95% CI 0.96-1.15) in 2000-2013.

CONCLUSIONS

Black patients with esophageal SCC were found to have a higher hazard of death compared to white and API patients. Survival disparities between races appear to have decreased over time. Future research that takes insurance status and other social determinants of health into account should be conducted to further explore possible disparities by race.

The pervasive crisis of diminishing radiation therapy access for vulnerable populations in the United States, part 1: African-American patients

Introduction

African Americans experience the highest burden of cancer incidence and mortality in the United States and have been persistently less likely to receive interventional care, even when such care has been proven superior to conservative management by randomized controlled trials. The presence of disparities in access to radiation therapy (RT) for African American cancer patients has rarely been examined in an expansive fashion.

Methods and materials

An extensive literature search was performed using the PubMed database to examine studies investigating disparities in RT access for African Americans.

Results

A total of 55 studies were found, spanning 11 organ systems. Disparities in access to RT for African Americans were most prominently study in cancers of the breast (23 studies), prostate (7 studies), gynecologic system (5 studies), and hematologic system (5 studies). Disparities in RT access for African Americans were prevalent regardless of organ system studied and often occurred independently of socioeconomic status. Fifty of 55 studies (91%) involved analysis of a population-based database such as Surveillance, Epidemiology and End Result (SEER; 26 studies), SEER-Medicare (5 studies), National Cancer Database (3 studies), or a state tumor registry (13 studies).

Conclusions

African Americans in the United States have diminished access to RT compared with Caucasian patients, independent of but often in concert with low socioeconomic status. These findings underscore the importance of finding systemic and systematic solutions to address these inequalities to reduce the barriers that patient race provides in receipt of optimal cancer care.

Socioeconomic Status, Not Race, Is Associated With Reduced Survival in Esophagectomy Patients

BACKGROUND

Black patients with esophageal cancer have worse survival than white patients. This study examines this racial disparity in conjunction with socioeconomic status (SES) and explores whether race-based outcome differences exist using a national database.

METHODS

The associations between race and SES with overall survival of patients treated with esophagectomy for stages I to III esophageal cancer between 2003 and 2011 in the National Cancer Data Base were investigated using the Kaplan-Meier method and proportional hazards analyses. Median income by zip code and proportion of the zip code residents without a high school diploma were grouped into income and education quartiles, respectively and used as surrogates for SES. The association between race and overall survival stratified by SES is explored.

RESULTS

Of 11,599 esophagectomy patients who met study criteria, 3,503 (30.2%) were in the highest income quartile, 2,847 (24.5%) were in the highest education quartile, and 610 patients (5%) were black. Before adjustment for SES, black patients had worse overall survival than white patients (median survival 23.0 versus 34.7 months, log rank p < 0.001), and overall, survival times improved with increasing income and education (p < 0.001 for both). After adjustment for putative prognostic factors, SES was associated with overall survival, whereas race was not.

CONCLUSIONS

Prior studies have suggested that survival of esophageal cancer patients after esophagectomy is associated with race. Our study suggests that race is not significantly related to overall survival when adjusted for other prognostic variables. Socioeconomic status, however, remains significantly related to overall survival in our model.

Differences in esophageal cancer characteristics and survival between Chinese and Caucasian patients in the SEER database

Background

To compare the clinicopathologic characteristics and survival of Chinese and Caucasian esophageal cancer (EC) patients residing in the US, using a population-based national registry (Surveillance Epidemiology and End Results [SEER]) database.

Methods

Patients with EC were identified from the SEER program from 1988 to 2012. Kaplan–Meier survival methods and Cox proportional hazards regression were performed.

Results

A total of 479 Chinese and 35,748 Caucasian EC patients were identified. Compared with Caucasian patients, the Chinese patients had a later year of diagnosis, remained married after EC was diagnosed, had esophageal squamous cell carcinomas (ESCCs) more frequently, had tumors located in the upper-third and middle-third of the esophagus more frequently, and fewer patients presented with poorly/undifferentiated EC and underwent cancer-directed surgery. In Chinese patients, the incidence of esophageal adenocarcinomas (EACs) increased from 1988 to 2012 (P=0.054), and the majority of EAC patients had tumors located in the lower thoracic esophagus. The overall survival (OS) was not significantly different between Chinese and Caucasian patients (P=0.767). However, Chinese patients with ESCC had a significantly better OS when compared to their Caucasian counterparts, whereas there was no significant difference in the OS between Chinese and Caucasian patients with EAC.

Conclusion

The presenting demographic features, tumor characteristics, and outcomes of EC patients differed between Chinese and Caucasian patients residing in the US. Chinese patients diagnosed with EAC tended to share similar clinical features with their Caucasian counterparts, and the Chinese patients with ESCC had better OS than their Caucasian counterparts.

Racial disparities in esophageal cancer survival after surgery

OBJECTIVES

Esophageal cancer (EC) black patients have higher mortality rates than Whites. The lower rate of surgery in Blacks may explain the survival difference. We explored the Surveillance Epidemiology and End Results database to determine the impact of surgery on mortality in Blacks and Whites EC.

METHODS

All cases of pathologically proven local and locoregional adenocarcinoma and squamous cell carcinoma of the esophagus from 1973 to 2011 were identified (13,678 White, 2,894 Black patients). Cervical esophageal cancer was excluded. Age, sex, diagnosis year, stage, cancer-directed surgery, radiation, and vital status were analyzed according to self-reported race.

RESULTS

Blacks had higher 1-year mortality, adjusted for age, sex, stage, year of diagnosis, histology, and therapy [adjusted hazard ratio (HRadj ): 1.24 (95% CI 1.16-1.32)]. Undergoing surgery was an independent predictor of improved survival overall (HRadj 0.30, 95% CI 0.27-0.33). Black patients treated surgically experienced significantly lower survival than Whites, but the difference was not observed in those who did not undergo surgery.

CONCLUSIONS

Although surgery appears to reduce mortality overall, early survival is worse for Blacks. Investigation into racial disparities in health care access and delivery, and to skilled esophageal surgeons is warranted to improve survival for all patients, particularly Blacks. J. Surg. Oncol. 2016;113:659-664. © 2016 Wiley Periodicals, Inc.

Does Quality of Care Matter? A Study of Adherence to National Comprehensive Cancer Network Guidelines for Patients with Locally Advanced Esophageal Cancer

INTRODUCTION

The aim of this study was to assess whether adherence to National Comprehensive Cancer Network (NCCN) guidelines leads to differences in survival in patients diagnosed with locally advanced esophageal cancer.

METHODS

This is a retrospective cohort study of patients with stage II and III esophageal cancer included in the Cancer Registry at the Sidney Kimmel Comprehensive Cancer Center at the Johns Hopkins Hospital from 2008 to 2013. Seven quality indicators were identified using the 2014 NCCN guidelines, and individual and overall quality measure scores were calculated and used to define low and high quality of care groups.

RESULTS

One hundred forty-one patients met inclusion criteria, and 88 patients (62.4 %) were identified as receiving high-quality care. Adherence to guidelines ranged from 63.1 to 100.0 %, with an overall compliance of 81.3 %. Risk factors for receiving low quality of care included advanced age, non-white race, lower education level, and unspecified primary site of tumor. A significantly better overall survival was observed in patients who received high-quality care (HR, 0.58; 95 %, 0.37-0.90, p = 0.015).

CONCLUSIONS

Delivery of high-quality care is associated with improved survival in these patients. Efforts should be directed at minimizing disparities in treatment in regards to race and educational levels.

Incidence and risk factors for and the effect of a program to reduce the incidence of surgical site infection after cardiac surgery

BACKGROUND

Surgical site infection (SSI) after cardiac surgery (CS) is a serious complication that increases hospital length of stay (LOS), has a substantial financial impact, and increases mortality. The study described here was done to evaluate the effect of a program to reduce SSI after CS.

METHODS

In January 2007, a multi-disciplinary CS infection-prevention team developed guidelines and implemented bundled tactics for reducing SSI. Data for all patients who underwent CS from 2006-2008 were used to determine whether there was: 1) A difference in the incidence of SSI in white patients and those belonging to minority groups; 2) a reduction in SSI after intervention; and 3) a statistically significant difference in the incidence of SSI in the third quarter of each year as compared with the other quarters of the year.

RESULTS

Of 3,418 patients who underwent CS; 1,125 (32.9%) were members of minority groups and 2,293 (67.1%) were white. Eighty (2.3%) patients developed SSI. There was no significant difference in the incidence of SSI in non-Hispanic white patients and all others (2.1% vs. 2.8%, p=0. 42). The incidence of SSI decreased significantly from 2006 (3.0%) to 2007 (2.5%) and 2008 (1.4%), (p=0.03). Surgical site infection occurred more often in the third quarter of each of the years of the study than in other quarters of each year (3.3 vs. 2.0%, p=0.038).

CONCLUSIONS

Implementation of a program to reduce SSI after CS was associated with a lower incidence of SSI across all racial and ethnic groups and over time, but was not associated with a lower incidence of SSI in the third quarter of each year than in the other quarters.