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Background Optimal time to surgery for lung cancer is not well established. We aimed to assess whether time to surgery correlates with outcomes. Methods We assessed patients 18–84 years old who were diagnosed with stage I/II lung cancer at our integrated healthcare system from 2009 to 2019. Time to surgery was defined to start with disease confirmation (imaging or biopsy) prior to the surgery scheduling date. Outcomes of unplanned return to care within 30 days of lung cancer surgery, all-cause mortality, and disease recurrence were compared based on time to surgery before and after 2, 4, and 12 weeks. Results Of 2861 included patients, 70% were over 65 years old and 61% were female. Time to surgery occurred in 1–2 weeks for 6%, 3–4 weeks for 31%, 5–12 weeks for 58%, and 13–26 weeks for 5% of patients. Patients with time to surgery > 4 (vs. ≤ 4) weeks had greater risk of both death (hazard ratio (HR) 1.18, 95% confidence interval (CI) 1.00–1.39) and recurrence (HR 1.33, 95% CI 1.10–1.62). Associations were not statistically significant when dichotomizing time to surgery at 2 or 12 weeks for death (2 week HR 1.23, 95% CI 0.93–1.64; 12 week HR 1.35, 95% CI 0.97–1.88) and recurrence (2 week HR 1.54, 95% CI 0.85–2.80; 12 week HR 2.28, 95% CI 0.80–6.46). Conclusions Early stage lung cancer patients with time to surgery within 4 weeks experienced lower rates of recurrence. Optimal time to surgical resection may be shorter than previously reported.

Given the disparate effects of the COVID-19 pandemic on people of color, we hypothesized that patients of color experienced a disproportionate increase in trauma during the COVID-19 pandemic.We compared trauma patients arriving in the 3 y before our statewide stay-at-home mandate on March 20, 2020 (PRE) to those arriving in the year afterward (POST). In addition to race/ethnicity, we assessed patient demographics and other clinical variables. Chi-squared, Fisher's exact, and Mann-Whitney U tests were used for univariate analyses. A multivariable logistic regression was performed to assess for associations with mortality.During the study period, 8583 patients were included in the PRE group and 2883 were included in the POST group. There were increases in penetrating trauma (PRE 14.7%, POST 23.1%; P 0.001) and mortality rates (PRE 3.20%, POST 4.60%; P 0.001). From PRE to POST, the percentage of Black patients increased from 35.0% to 38.3% (P = 0.01) and the percentage of Hispanic patients increased from 19.2% to 23.0% (P 0.001). After a multivariable analysis, Asian patients experienced an independent increase in mortality from PRE to POST (odds ratio 2.00, 95% confidence interval 1.13-3.54, P = 0.02).Penetrating trauma and mortality rates increased during the pandemic. There was a simultaneous increase in the percentage of Black and Hispanic trauma patients. Asian patient mortality increased significantly after the start of the pandemic independent of other variables. Identifying racial/ethnic disparities is the first step in finding ways to improve dissimilar outcomes.

Regional analgesia, such as intercostal nerve blockade (INB), is a viable modality for postoperative pain control in thoracic surgery patients. Asian patients have historically been underrepresented in studies of pain responses and pain medication requirements based on race. In this study, we examined the postoperative opioid medications used by Asian and Caucasian patients undergoing video-assisted thoracoscopic surgery (VATS) lobectomy who received different bupivacaine-based INB.We retrospectively reviewed patients undergoing VATS lobectomy who received standard bupivacaine (SB), liposomal bupivacaine (LB), or liposomal bupivacaine mixed with standard bupivacaine (MIX). Length of stay (LOS), postoperative pain scores, postoperative opioid use (in intravenous morphine equivalents) were evaluated. The Chi-square test was used to compare categorical variables; Student's t-test for normally distributed variables; and the Wilcoxon rank-sum test for non-normally distributed variables. Multivariable linear regression was used to assess opioid use in Asians compared to Caucasians.Of the 239 patients in the cohort, 212 received LB or MIX and 27 received SB. In the LB/MIX group, 48 (22.6%) were Asian and 164 (77.4%) were Caucasian. In the SB group, 7 (25.9%) were Asian and 20 (74.1%) were Caucasian. There were no differences in height, weight, and body mass index (BMI) between the SB and LB/MIX groups, but there was a significant difference in weight and BMI between Asian and Caucasian patients. The median LOS was comparable between the SB and LB/MIX groups. The average 24-hour postoperative pain score in the LB/MIX group was 2.5, and 2.0 and 2.7 in the Asian and Caucasian subgroups, respectively (P0.01). The median opioid use in the LB/MIX group was 27.2 mg, and 16.9 and 31.1 mg in the Asian and Caucasian subgroups, respectively (P0.01). On multivariable linear regression analysis adjusting for sex, age, BMI, and bupivacaine type, we found Asians used 25.5 mg less opioids compared to Caucasians (P0.01).INB with LB or liposomal-standard bupivacaine mix resulted in statistically significant decreased postoperative pain scores and opioid use in Asians compared to Caucasians. There was no difference in LOS between the LB/MIX and SB groups.

After being diagnosed with myasthenia gravis, a 55-year-old male was referred for treatment of an invasive thymoma. Preoperative imaging revealed a thymoma adjacent to the superior vena cava (SVC) with possible invasion of the left innominate vein. After multidisciplinary discussion, he underwent upfront en bloc resection of the tumor with SVC resection and reconstruction. He was discharged after an uncomplicated postoperative course with improvement of his symptoms.

Evidence is limited characterizing sociodemographically diverse patient populations with lung cancer in relation to smoking status.In a cross-sectional analysis of adults diagnosed with lung cancer at ages ≥30 years from 2007-2018 within an integrated healthcare system, overall and sex-specific prevalence of never smoking were estimated according to sociodemographic and clinical characteristics. Adjusted prevalence ratio (aPR) and 95% confidence interval (CI) were also estimated using modified Poisson regression to identify patient characteristics associated with never smoking, overall and by sex. Similar analyses were conducted to explore whether prevalence and association patterns differed between non-Hispanic White and Asian/Pacific Islander patients.Among 17,939 patients with lung cancer, 2,780 (15.5%) never smoked and 8,698 (48.5%) had adenocarcinoma. Overall prevalence of never smoking was higher among females than males (21.2%Our findings suggest that patterns of never-smoking status associated with sociodemographic and clinical characteristics are different across sex and race/ethnicity among patients with lung cancer. Such data are critical to increasing awareness and expediting diagnosis of this disease.

Optimal therapy for malignant pleural mesothelioma (MPM) remains unclear. We compared overall survival in patients with MPM after various multimodal treatment regimens including combinations of immunotherapy, chemotherapy, and surgery.We examined MPM patients treated within our integrated health system from January 1, 2009 to December 31, 2020. Patients were grouped based on treatment regimen: chemotherapy alone (CT), immunotherapy with or without chemotherapy (iCT), surgery with chemotherapy (sCT), and surgery with immunotherapy and chemotherapy (siCT). We analyzed baseline characteristics and overall patient survival among these groups and several subgroups.One hundred seventy-nine patients were included. Among the study groups, there was no difference in age, sex, race/ethnicity, Charlson Comorbidity Index, or Eastern Cooperative Oncology Group performance status. Patients treated with CT (N = 109), iCT (N = 35), sCT (N = 26), and siCT (N = 9) had median (95% confidence interval) survivals of 11.7 (9.9-16.3), 18.2 (14.5-29.8), 20.7 (11.6-37.2), and 22.6 (19.7-37.8) months, respectively (P.001). Median survival among patients with and without immunotherapy was 19.7 (17.4-29.8) and 12.3 (10.6-17.3) months, respectively (P = .023). Median survival among patients with and without surgery was 21.7 (17.6-34.8) and 13.6 (11.5-17.3) months, respectively (P = .007). Patients with biphasic/sarcomatoid subtypes who received immunotherapy experienced 76.2% (55.8%-100.0%) 12 month survival vs. 13.6% (4.8%-39.0%) among those who did not (P.001).MPM patients receiving surgery and immunotherapy as part of multimodal treatment regimens experienced the longest survival. Surgery and immunotherapy are each associated with survival. Further investigations are warranted to assess the benefit of immunotherapy within multimodal treatment regimens for MPM.

A 50-year-old male with history of HIV, syphilis, paraneoplastic Morvan syndrome secondary to thymoma resected in 2013 presented recently with tachycardia, tremors, diarrhea, hyperhidrosis and bilateral lower extremity pain leading to the discovery of thymoma recurrence. He initially developed Morvan Syndrome after thymectomy in 2013 and gradually improved with negative anti-contactin-associated protein-like 2 antibody testing in 2017 and symptom resolution in 2018. Upon return of dysautonomia symptoms, subsequent imaging revealed widespread disease recurrence diffusely in the right lung parenchyma and pleura for which he underwent right extrapleural pneumonectomy. He was managed with low-dose prednisone perioperatively, but when his symptoms worsened, he was started on rituximab and methylprednisolone. Nearly 3 months from surgery, he died from urinary sepsis. This represents a unique case of recurrent paraneoplastic Morvan syndrome leading to the diagnosis of metastatic thymoma as well as the challenges of symptom control during the surgical management of the underlying disease.

Background A few observational studies have found that outcomes after esophagectomies by thoracic surgeons are better than those by general surgeons. Methods Non-emergent esophagectomy cases were identified in the 2016-2017 American College of Surgeons NSQIP database. Associations between patient characteristics and outcomes by thoracic versus general surgeons were evaluated with univariate and multivariate logistic regression. Results Of 1,606 cases, 886 (55.2%) were performed by thoracic surgeons. Those patients differed from patients treated by general surgeons in race (other/unknown 19.3% vs 7.8%; PDiscussion In our large, national database study, we found that outcomes of esophagectomies by general surgeons were comparable with those by thoracic surgeons. General surgeons managed postoperative leaks differently than thoracic surgeons.

The traditional approach to mediastinal cyst and mass resection has been open via median sternotomy or thoracotomy. With the advent of minimally invasive techniques, there have been successful cases completed via video-assisted thoracoscopic (VATS) and robot-assisted thoracoscopic surgery (RATS). Although mediastinal cysts are uncommon, they are a significant and relevant topic in the practice of thoracic surgery. Thus, this clinical practice review aims to summarize and highlight some of the key case series and retrospective studies in order to provide insight on each of the approaches. In addition, there is a brief review of other approaches, such as subxiphoid, and the utility of endobronchial ultrasound in the management of mediastinal cysts. In this review, the identified benefits of VATS and RATS lie largely in quality improvement of the patient experience-decreased length of stay (LOS) and pain-without compromising patient outcomes. However, the open approach remains a viable option, particularly for the management of large cysts or as a bail-out option. When surgeons approach with VATS or RATS and encounter bleeding or difficult dissection planes, it is consistent in the literature that conversion to thoracotomy is the safe next step. Our clinical practice is to attempt VATS or RATS approach for mediastinal cysts when possible. The data used for this review relies heavily on case reports and case series, and thus is the main limitation of this clinical practice review.

Background Limited evidence exists assessing whether anastomotic evaluation using indocyanine green fluorescence (IGF) during minimally invasive esophagectomy (MIE) predicts or improves outcomes. We hypothesized that IGF helps surgeons predict anastomotic complications and reduces anastomotic leaks after MIE. Methods In September 2019, our institution began routinely using IGF for intraoperative evaluation of anastomoses during MIE. Data were collected from patients undergoing MIE in the two years before and after this technology began being routinely used. Baseline characteristics and outcomes, including anastomotic leak, in patients who underwent indocyanine green fluorescence evaluation (ICG) and those who did not (nICG) were compared. Outcomes were also compared between ICG patients with normal versus abnormal fluorescence. Results Overall, 181 patients were included. Baseline demographic and clinical characteristics did not differ between the ICG and nICG groups. ICG patients experienced higher rates of anastomotic leak (10.2% vs. 1.6%, P = .015) and 90-day mortality (8.5% vs. 1.6%, P = .04) compared to nICG patients. Due to lack of equipment availability, 19 nICG patients underwent MIE after the use of IGF became routine, and none developed leaks. ICG patients with abnormal fluorescence had higher rates of anastomotic leak (71.4% vs 1.9%, P < .001) and 30-day mortality (28.6% vs 0%, P = .012) compared to those with normal fluorescence. Discussion Abnormal intraoperative IGF was associated with increased rate of anastomotic leak, suggesting predictive potential of IGF. However, its use was associated with an increased leak rate and higher mortality. Further studies are warranted to assess possible physiologic effects of indocyanine green on the esophageal anastomosis.

A 29-year-old male developed acute onset severe shortness of breath and fevers and was found to have a 17 cm anterior mediastinal mass with immature teratoma and possible mixed germ cell tumor on biopsy. He remained hospitalized during neoadjuvant cisplatin-based chemotherapy due to compressive symptoms from his mass and neutropenic fevers. Despite 3 cycles of therapy, his tumor mildly increased in size. After multidisciplinary discussion, he underwent urgent en bloc resection with a right hemi-clamshell incision. His postoperative course was uncomplicated and he was discharged to home within a week. His final pathology demonstrated mixed germ cell tumor.

With the evolution of minimally invasive esophagectomy (MIE) and robot-assisted minimally invasive esophagectomy (RAMIE), questions remain regarding the benefits and indications of these methods. Given that set indications do not exist, this article aims first to review the reported outcomes of MIE, RAMIE, and open esophagectomy. Then, considerations based on the reported outcomes are discussed to guide surgeons in selecting the best approach. MIE and RAMIE offer the potential to improve outcomes for esophagectomy patients; however, surgeon experience as well as individual patient factors play important roles when deciding upon the surgical approach.

e16105 Background: This study evaluates survival outcomes of esophageal cancer patients treated at a large, tertiary care integrated healthcare system and whether there are differences based on race. Methods: We conducted a retrospective study from January 2010 to December 2019 among patients at Kaiser Permanente Northern California (KPNC). Self-reported racial ethnic groups included Caucasian, African American, Hispanic, Asian, and Other. Kaplan Meier and Cox regression analyses were used to evaluate differences in race, age, stage, and treatment utilization in relation to overall survival. Results: A total of 1,692 patients were diagnosed with esophageal cancer. Of these, 11% were Asian, 8.1% were Hispanic, and 6% were African American. Caucasians had the oldest mean age at diagnosis, 70.2 years, and the Hispanics had the youngest mean age at diagnosis, 64.6 years (p < 0.001). There were no statistically significant differences in stage at time of diagnosis between race groups (p = 0.41). Adenocarcinoma was more common in Caucasians and Hispanics, while squamous cell was more common in African Americans and Asians (p < 0.001). Treatments received by the patients included, surgery, chemotherapy, radiation, and a combination thereof (multimodal). There was no statistical significance among the races in treatment modalities received, including multimodal therapy (p = 0.12-0.66). The difference in mean overall survival (OS) between the race groups was not statistically significant. Kaplan-Meier survival analyses were performed and demonstrated statistically significant differences in mean OS between the two histologies, with adenocarcinoma having the highest survival of 33.9 months (p < 0.001). Conclusions: We identified racial parity in survival outcomes and treatment utilization for esophageal cancer patients who were treated at a large integrated healthcare system where patients have equal access to care.[Table: see text]