Delayed visit and treatment of lung cancer during the coronavirus disease 2019 pandemic in Japan: a retrospective study

Terashima, Takeshi; Tsutsumi, Akihiro; Iwami, Eri; Kuroda, Aoi; Nakajima, Takahiro; Eguchi, Katsumi

doi:10.1177/03000605221097375

Cited by 15 publications

(12 citation statements)

References 14 publications

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“…Compared with 2019, the amount of pharmaceuticals, water usage, and nonmedical waste all decreased in 2020. These reductions are consistent with the reduced number of both outpatients and admissions, which was observed in other hospitals in Japan during the COVID-19 pandemic [38,39]. Relatively few studies have investigated the effect of COVID-19 on carbon emissions in the healthcare sector.…”

Section: Discussionsupporting

confidence: 79%

Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre

et al. 2022

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Background: Amidst the climate crisis, a key goal of the medical sector is to reduce its large carbon footprint. Although the Coronavirus disease 2019 (COVID-19) pandemic greatly impacted the medical sector, its influence on carbon footprints remains unknown. Therefore, the aim of this study was to evaluate changes in the carbon footprint of a university hospital with a medical research centre over the past 10 years. Methods: Data on electricity, gas, and water usage, pharmaceutical and medical supply costs, and waste amounts were recorded for Nagoya University Hospital from April 2010 to March 2021. The relevant emission factors were obtained from the Japanese government and the overall monthly carbon footprint was reported according to the Greenhouse Gas Protocol. The effect of the COVID-19 pandemic on the carbon footprint was then compared for three types of emission sources. Moreover, a regression model was used to plot quadratic functions as approximate functions using monthly carbon emissions and monthly average external temperatures. Finally, the monthly carbon footprint was calculated per hospital admission. Results: The overall carbon footprint of the hospital was 73,546 tCO2e in 2020, revealing an increase of 26.60% over the last 10 years. Carbon emissions from electricity consumption represented 26% of total emissions. The individual carbon footprints of pharmaceuticals, medical supplies, waste, and water usage also increased from 2010 to 2020. The overall monthly carbon footprint was positively correlated with the average monthly temperature (R2 = 0.7566, p < 0.001). Compared with 2019, the overall carbon footprint decreased by 2.19% in 2020. Moreover, the monthly carbon footprint per hospital admission increased significantly between 2018 (0.24 tCO2e/admission) and 2020 (0.26 tCO2e/admission) (p = 0.002). Conclusion: The overall carbon footprint of the hospital generally increased over the last decade. During the COVID-19 epidemic in 2020, the carbon footprint decreased slightly, likely because of the reduced number of patients. However, the carbon footprint per admission increased, which was attributed to more complicated patient backgrounds because of the ageing population. Therefore, evaluation of carbon emissions in the medical sector is urgently required in order to act on the climate crisis as soon as possible.

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Section: Discussionsupporting

confidence: 79%

Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre

et al. 2022

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“…The coronavirus disease 2019 (COVID-19) pandemic has led to the delayed diagnosis of various diseases, including lung cancer [ 3 ], gynecological cancer [ 4 ], breast cancer [ 4 , 5 ], and gastrointestinal cancer [ 6 ]. COVID-19 can cause prolonged symptoms such as dyspnea and cough after infection, resulting in a post-COVID-19 condition [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

A Cluster of Paragonimiasis with Delayed Diagnosis Due to Difficulty Distinguishing Symptoms from Post-COVID-19 Respiratory Symptoms: A Report of Five Cases

et al. 2023

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Paragonimiasis caused by trematodes belonging to the genus Paragonimus is often accompanied by chronic respiratory symptoms such as cough, the accumulation of sputum, hemoptysis, and chest pain. Prolonged symptoms, including respiratory symptoms, after coronavirus disease 2019 infection (COVID-19) are collectively called post-COVID-19 conditions. Paragonimiasis and COVID-19 may cause similar respiratory symptoms. We encountered five cases of paragonimiasis in patients in Japan for whom diagnoses were delayed due to the initial characterization of the respiratory symptoms as a post-COVID-19 condition. The patients had consumed homemade drunken freshwater crabs together. One to three weeks after consuming the crabs, four of the five patients were diagnosed with probable COVID-19. The major symptoms reported included cough, dyspnea, and chest pain. The major imaging findings were pleural effusion, pneumothorax, and nodular lesions of the lung. All the patients were diagnosed with paragonimiasis based on a serum antibody test and peripheral blood eosinophilia (560–15,610 cells/μL) and were treated successfully with 75 mg/kg/day praziquantel for 3 days. Before diagnosing a post-COVID-19 condition, it is necessary to consider whether other diseases, including paragonimiasis, may explain the symptoms. Further, chest radiographic or blood tests should be performed in patients with persistent respiratory symptoms after being infected with COVID-19 to avoid overlooking the possibility of infection.

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“…[6] In the respiratory field, the discontinuation of lung cancer screening has caused delays in the detection of lung cancer. [7] Bronchoscopy is an important procedure in the diagnosis of respiratory diseases, particularly lung cancer. However, it is a droplet-inducing procedure that is considered high risk for severe acute respiratory syndrome coronavirus 2 transmission KF and OK contributed equally to this work.…”

Section: Introductionmentioning

confidence: 99%

“…[6] In the respiratory field, the discontinuation of lung cancer screening has caused delays in the detection of lung cancer. [7]…”

Section: Introductionmentioning

confidence: 99%

Impact of the COVID-19 pandemic on the trajectory of the number of bronchoscopies performed in a tertiary hospital in Kyoto city

et al. 2023

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The coronavirus disease 2019 (COVID-19) pandemic has restricted many medical practices. We aimed to investigate the impact of the COVID-19 pandemic on the number of bronchoscopies, outpatients, and hospital admissions. We retrospectively analyzed the number of outpatients, admissions, and bronchoscopies performed between March 2020 and May 2022. We defined "Peak month of the pandemic," "Wave of the pandemic," "Month in the wave," and "Period of a state of emergency" for each analysis. In the first year of the COVID-19 pandemic, analysis of variance (ANOVA) in linear mixed models indicated significant effects of "month in each wave" on the number of bronchoscopies (P = .003), outpatients (P = .041), and admissions (P = .017). The number of outpatients, admissions, and bronchoscopies was significantly influenced by the first wave of the COVID-19 pandemic. In contrast, in the second year of the COVID-19 pandemic, a mixed-ANOVA indicated significant effects of "month in each wave" only on the number of outpatients (P = .020) but no significant effects on the number of bronchoscopies (P = .407) and admissions (P = .219). During the second year of the pandemic, the number of bronchoscopies and admissions was not significantly affected by the waves of the pandemic. There were no significant differences in the number of admissions and bronchoscopies between the fourth and sixth waves. Although the number of bronchoscopies was found to be significantly affected in the early stages of the COVID-19 pandemic, the impact of the pandemic was much more limited thereafter.Abbreviations: ANOVA = analysis of variance, COVID-19 = coronavirus disease 2019, JRS = Japanese Respiratory Society, LMMRM = linear multi-model with repeated measures.

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Delayed visit and treatment of lung cancer during the coronavirus disease 2019 pandemic in Japan: a retrospective study

Cited by 15 publications

References 14 publications

Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre

Influence of COVID-19 on the 10-year carbon footprint of the Nagoya University Hospital and medical research centre

A Cluster of Paragonimiasis with Delayed Diagnosis Due to Difficulty Distinguishing Symptoms from Post-COVID-19 Respiratory Symptoms: A Report of Five Cases

Impact of the COVID-19 pandemic on the trajectory of the number of bronchoscopies performed in a tertiary hospital in Kyoto city

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