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Take a look at a selection of our recent media coverage:

Cancer diagnoses in young people fell but ICU admissions increased during first wave of pandemic

19th November 2021

Cancer diagnoses in young people fell during the first-wave of the pandemic but were associated with a higher rate of ICU admissions

The level of cancer diagnoses in young people fell during the first-wave of the COVID-19 pandemic but there was also an increased likelihood of admission to intensive for cancers diagnosed during the period. This was the finding from a study by researchers from Oxford University, UK who discussed their findings in a poster presentation at the National Cancer Research Institute conference.

The COVID-19 pandemic has had a major impact on cancer services in the majority of countries across the world. In the UK, a survey by Cancer Research UK in July 2020, found that 2 in 3 cancer patients reported that their cancer care had been impacted and that ratings of overall cancer care as ‘very good’ decreased from 75% ‘before lockdown started’ to 37% ‘after lockdown started’. Moreover, other research shows that in England, there were approximately 3.4 million fewer key diagnostic tests performed between March and August 2020 compared with the same period in 2019.

Given the likely impact of delays in diagnostics, the Oxford team were interested in determining how in England, the first wave of the pandemic affected childhood, teenager and young adult cancer incidence rates, diagnostic and treatment time-intervals and cancer-related intensive care (ICU) admissions. They used the QResearch database, which is derived from the anonymised health records of over 35 million patients. In addition, since QReseaerch is also linked to linked to hospital admission, mortality and cancer diagnoses data held with a disease register, it was possible for the researchers to make links between these three factors. For the present study, researchers focused on central nervous system (CNS) tumours, lymphomas, leukaemias, sarcomas and renal tumours in those aged up to 25 years of age. They compared the incidence of these cancer diagnoses between 1st February to the 15th August 2020 and compared their findings to the three preceding pre-pandemic years. As well as the number of diagnoses, the team also analysed the length of time before treatment started after diagnosis and whether or not these patients were diagnosed after being admitted to intensive care.

Findings

A total of 2607 cancer diagnoses were made from 1st January 2017-15th August 2020, with 380 during the pandemic. Overall, this represented a 17% reduction (95% CI -38% to – 6%) in the incidence-rate-ratio during the first wave of the pandemic. In particular there was a 38% (95% CI -52% to -21%)] decrease in CNS tumours and a 28% (95% CI -45% to -5%) reduction in lymphomas. Interestingly, the researchers observed that childhood cancers that were diagnosed during the pandemic were more than twice as likely to be associated with an ICU admissions (adjusted odd ratio, OR = 2.2, 95% CI 1.33 – 3.47).

The researchers also observed that the median time to diagnosis was not significantly different across the different time periods (+4.5 days, 95% CI -20.5 days to +29.5) and the median time to treatment was actually shorter during the pandemic (-0.7 days, 95% CI -1.1 to -0.30).

The authors concluded that the COVID-19 pandemic led to substantial reduction in the detection of cancer in young adults but was also associated with an increase in cancer-related ICU admissions. They suggested that this was probably due to more severe baseline disease at diagnosis and that overall, their findings demonstrate a clear disruption to cancer diagnostic pathways in this age group which need to be addressed urgently in the recovery phase of the pandemic.

Citation

Saatci D et al. The impact of the COVID-19 pandemic on cancer diagnostic pathways in children, teenagers and young adults: a cohort study in England. NCRI conference 2021

Study shows that colorectal cancer diagnoses dropped over 40% during pandemic

4th October 2021

The number of colorectal cancer (CRC) cases diagnosed fell dramatically by 40% in a year during the COVID-19 pandemic, research presented at UEG Week Virtual 2021 has shown.

The research, which was conducted across multiple hospitals in Spain, compared data from the first year of the COVID-19 pandemic with data from the previous year. Of 1385 cases of CRC diagnosed over the two-year period, almost two thirds (868 cases, 62.7%) were diagnosed in the pre-pandemic year from 24,860 colonoscopies. By contrast, only 517 cases (37.3%) were diagnosed during the pandemic, which also saw a 27% drop in the number of colonoscopies performed, to 17,337
 
Those who were diagnosed with CRC between 15 March 2020 and 28 February 2021 were also older than in the pre-pandemic year, had more frequent symptoms, a greater number of complications and presented at a more advanced disease stage.
 
Experts say the fall is a consequence of the suspension of screening programmes and the postponement of non-urgent colonoscopy investigations during the pandemic. Fewer cancers were identified by CRC screening in the pandemic period, with just 22 (4.3%) cases found in comparison to 182 (21%) in the pre-pandemic year. During the pandemic, more patients were diagnosed through symptoms (81.2% of diagnoses) compared with the pre-pandemic year (69%).
 
Dr María José Domper Arnal, from the Service of Digestive Diseases, University Clinic Hospital and the Aragón Health Research Institute (IIS Aragón) in Zaragoza, Spain, and lead author of the study, commented “These are very worrying findings indeedcases of colorectal cancer undoubtedly went undiagnosed during the pandemic. Not only were there fewer diagnoses, but those diagnosed tended to be at a later stage and suffering from more serious symptoms.”
 
There was a significant increase in the number of patients being diagnosed with serious complications – a sign of late-stage disease – with an increase in symptoms such as bowel perforation, abscesses, bowel obstruction and bleeding requiring hospital admission. These cases made up 10.6% pre-pandemic and 14.7% during the pandemic. The number of stage IV cancers being diagnosed rose during the pandemic year, with stage IV cases making up 19.9% of cases, in comparison to 15.9% in the previous year.
 
Although these figures are across a population of 1.3 million in Spain, it’s highly likely that the same drop in diagnoses would have happened elsewhere across the globe where screening was stopped and surgeries postponed, especially in countries that were heavily impacted by COVID-19”, explained Dr Arnal.
 
Colorectal cancer is often curable if it’s caught at an early stage. Our concern is that we’re losing the opportunity to diagnose patients at this early stage, and this will have a knock-on effect on patient outcomes and survival. We are likely to see this fall out for years to come.”

Source

Impact of the COVID-19 pandemic in the diagnosis and characteristics of colorectal cancer patients, presented at UEG Week Virtual 2021