The use of thiopurine (azathioprine and mercaptopurine) reduces the immune response to viruses, which is associated with an increased risk of opportunistic infections. There is limited evidence that they increase the risk of respiratory infections. The risks and benefits should be considered, but most patients can continue on a stable dose. In patients in stable remission, elderly patients and in the presence of concomitant pathology, it is recommended to stop taking thiopurine. During a pandemic, it is recommended to avoid starting thiopurine or increasing the dose, which will allow patients to avoid potential side effects. If the patient is in contact with a COVID-19 person, temporary withdrawal of thiopurine for 2 weeks should be considered. If a patient tests positive for SARS-CoV-2 and/or develops COVID-19, temporary discontinuation of thiopurine may be recommended until the patient clears the infection.
The first and mandatory step in the treatment of hypertension is lifestyle modification (LS), which is aimed at correcting the above risk factors, primarily modifiable ones. A big problem is the choice of the most optimal treatment for hypertension, which can slow down the progression of lesions of the heart, blood vessels, kidneys, brain and eyes. The vast majority of hypertensive patients who seek medical help require combination antihypertensive therapy. At the same time, the most appropriate at the present level is the use of fixed combinations of such drugs.
A separate problem is the treatment of hypertension in patients with COVID-19. The presence of a history of hypertension in patients with COVID-19 was associated with a more severe course of infection, in contrast to patients who did not have hypertension. According to modern concepts, during the COVID-19 pandemic, patients with hypertension should carefully monitor their blood pressure levels and take constantly prescribed medications. This also applies to the use of so-called blockers of the renin-angiotensin system for the treatment of patients with hypertension: angiotensin-converting enzyme inhibitors and angiotensin II receptor blockers. A number of recent studies show that these groups of drugs not only do not increase the risk of infection with the virus, but also significantly improve the course of coronavirus disease.
Thus, hypertension has been and remains a very important medical and social problem that requires appropriate attention not only from healthcare institutions and medical workers, but also from the leadership of the Ministry of Health and the state. Only through the joint efforts of representatives of medical science, health care and the entire public society can it be possible to achieve an increase in the effectiveness of the fight against this disease