Covid-19’s impact on noncommunicable diseases

People living with pre-existing health conditions (such as heart disease, diabetes and respiratory conditions) are at higher risk of complications and death due to COVID-19.

23 February 2021 | Health

Moving towards universal health coverage, promoting health and wellbeing, and protecting against health emergencies are the WHO global priorities that are shared by the proposed WHO European Programme of Work 2020–25. The coronavirus disease 2019 (COVID-19) pandemic has underlined the importance of interconnecting these strategic priorities. Of the six WHO regions, the European region is the most affected by non-communicable disease (NCD)-related morbidity and mortality and the growth of the NCDs is concerning.

Leading causes of death

Cardiovascular diseases, cancers, chronic respiratory diseases, and diabetes are among the leading causes of death and disability in the region, and an increasing proportion of children and adults are living with overweight or obesity, one of the major risk factors for NCDs.

Prevention and control of NCDs are important during this pandemic because NCDs are major risk factors for patients with COVID-19.

Restrictive measures

Additionally, some of the restrictive measures such as lockdowns, social distancing, and travel restrictions to reduce the spread of infection in many countries impact specifically on people living with NCDs by limiting their activity, ability to secure healthy foods, and access to preventive or health promotion services.

The COVID-19 pandemic has had widespread health impacts, revealing the particular vulnerability of those with underlying conditions. In Italy, a recent report revealed that the majority (96·2%) of patients who have died in-hospital from COVID-19 had comorbidities, primarily NCDs; the most prevalent NCDs among these patients were hypertension (69·2%), type 2 diabetes (31·8%), ischaemic heart disease (28·2%), chronic obstructive pulmonary disease (16·9%), and cancer (16·3%).

An association between COVID-19 severity and NCDs has also been reported in Spain, China, and the USA. However, many COVID-19 deaths also occur in older people who often have existing comorbidities.

Body-mass index (BMI) might also be associated with the severity of COVID-19; in China, patients with severe COVID-19 and non-survivors typically had a high BMI ( >25 kg/m2).

Physical distancing

The impact of COVID-19 response measures on NCDs is multifaceted. Physical distancing or quarantine can lead to poor management of NCD behavioural risk factors, including unhealthy diet, physical inactivity, tobacco use, and harmful use of alcohol. Evidence from this and previous pandemics suggests that without proper management, chronic conditions can worsen due to stressful situations resulting from restrictions, insecure economic situations, and changes in normal health behaviours. As with other health service and preventive programmes, the postponement of routine medical appointments and tests can delay NCD management, while physical distancing, restricted access to primary health care units, pharmacies, and community services, alongside a reduction of transport links, all disrupt continuity of care for NCD patients.

Disruption

This disruption of routine health services and medical supplies risks increasing morbidity, disability, and avoidable mortality over time in NCD patients. Additionally, patients with severe obesity who require intensive care have increased patient management needs.

The prevention and control of NCDs have a crucial role in the COVID-19 response and an adaptive response is required to account for the needs of people with NCDs. Prevention of NCDs is important since the true scale of at-risk groups is probably underestimated, given that many cases of hypertension and diabetes are undiagnosed.

Adaptive

Communities and health systems need to be adaptive to both support and manage the increased risks of people with known NCDs and exercise sensitivity about the vulnerability of the large population with undiagnosed NCDs and those at increased risk of NCDs.

The COVID-19 response and continued and strengthened focus on NCD prevention and management are key and interlinked aspects of public health at the present time. If the COVID-19 response is not adapted to encompass prevention and management of NCD risks, many people will be failed at a time when their vulnerability is heightened.

Steps

What steps should be taken to adapt the COVID-19 response? The WHO Regional Office for Europe has started to develop a list of actions that could be adapted by countries to address the needs of those at risk of NCDs or who are already living with NCDs, together with practical considerations for teams developing COVID-19 response plans at local or national levels.

Patients living with obesity and NCDs are at increased risk of the health impacts of emergencies such as COVID-19.

NCD health-care staff and associated workers and volunteers should be centrally involved in the planning of COVID-19 response strategies to ensure that the needs of patients and caregivers are addressed. Specific advice should be made available nationally and locally for patients living with NCDs, their families, and their caregivers.

Control

Prevention and control of obesity and NCDs are crucial in preparedness for this and future public health threats. A streamlined response to COVID-19 in the context of NCDs is important to optimise public health outcomes and reduce the impacts of this pandemic on individuals, vulnerable groups, key workers, and society.

Sources: The Lancet; WHO

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