Regularly monitor the following in hospitalised patients to facilitate early recognition of deterioration and monitor for complications:
Vital signs (temperature, respiratory rate, heart rate, blood pressure, oxygen saturation)
Haematological and biochemistry parameters
Coagulation parameters (D-dimer, fibrinogen, platelet count, prothrombin time)
Signs and symptoms of venous or arterial thromboembolism.
Medical early warning scores
Utilise medical early warning scores that facilitate early recognition and escalation of treatment of deteriorating patients (e.g., National Early Warning Score 2 [NEWS2], Paediatric Early Warning Signs [PEWS]) where possible.
There are a lack of data on the value of using these scores in patients with COVID-19 in the primary care setting.
A systematic review and meta-analysis found that the NEWS2 score had moderate sensitivity and specificity in predicting the deterioration of patients with COVID-19. The score showed good discrimination in predicting the combined outcome of the need for intensive respiratory support, admission to the intensive care unit, or in-hospital mortality.
The sequential organ failure assessment (SOFA) score does not possess adequate discriminant accuracy for mortality prediction in patients prior to intubation for COVID-19 pneumonia.
Fetal well-being should be monitored. The frequency of fetal heart rate observations should be individualised based on gestational age, maternal clinical status (e.g., hypoxia), and fetal conditions.
Patients who have had suspected or confirmed COVID-19 (of any disease severity) who have persistent, new, or changing symptoms should have access to follow-up care.
Guidelines for the respiratory follow-up of patients with COVID-19 pneumonia have been published. Follow-up algorithms depend on the severity of pneumonia, and may include clinical consultation and review (face-to-face or telephone) by a doctor or nurse, chest imaging, pulmonary function tests, echocardiogram, sputum sampling, walk test, and assessment of oxygen saturation.
More than half of patients discharged from hospital had lung function and chest imaging abnormalities 12 weeks after symptom onset. Pulmonary function tests may reveal altered diffusion capacity, a restrictive pattern, or an obstructive pattern. Impaired diffusion capacity was more severe and recovered slower in females compared with males, and the first 3 months was the critical recovery period for diffusion capacity.
Various prognostic and clinical risk scores are being researched or developed for COVID-19 (e.g., A-DROP, APACHE II, CALL, COPE, COVID-GRAM, COVID-19MRS, COVID-19 SEIMC, CVS, OurRisk.CoV, QCOVID, SCARP, SOARS, 3F, 4C). However, further external validation across various populations is needed before their use can be recommended.
The World Health Organization recommends using clinical judgement, including consideration of the patient’s values and preferences and local and national policy if available, to guide management decisions including admission to hospital and to the intensive care unit, rather than currently available prediction models for prognosis.
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