Diabetes: French Study Indicates That 10 Percent Of Covid-19 Patients With Diabetes Die Within Seven Days Of Hospital Admission
Source: Diabetes May 29, 2020 4 years, 5 months, 2 weeks, 1 day, 21 hours, 35 minutes ago
Diabetes: The world’s first study of COVID-19 to specifically analyze the effect of the diabetes in hospitalized patients has found that one in ten patients dies within 7 days of hospital admission, and one in five is intubated and mechanically ventilated by this point.
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The study is published in
Diabetologia (the journal of the European Association for the Study of Diabetes [EASD]) was led by Professor Dr Bertrand Cariou and Professor Dr Samy Hadjadj, diabetologists at l'institut du thorax, University Hospital Nantes, INSERM and University of Nantes, France.
https://diabetologia-journal.org/2020/05/29/first-study-of-covid-19-patients-with-diabetes-shows-that-10-die-within-seven-days-of-hospital-admission-and-two-thirds-are-men/?hilite=%27Bertrand%27%2C%27Cariou%27
The research shows that about 65% of COVID-19 patients with diabetes admitted to hospital are men, and the average age of all patients is 70 years.
Interestingly worse blood sugar control did not seem to impact a patient's outcome; however the presence of diabetic complications and increasing age increase the risk of death, and increased BMI is associated with both increased risk of needing mechanical ventilation and with increased risk of death.
The French based CORONADO study analyzed 1,317 patients admitted to 53 French hospitals (public and private) between 10 and 31 March 2020. The majority of hospitalized subjects had type 2 diabetes (89%) while only 3% had type 1 diabetes, with other types of diabetes in the remaining cases. In 3% of cases, diabetes was actually diagnosed during hospitalization for COVID-19.
Significantly, microvascular complications (eye, kidney and nerves) were found in 47% of the subjects in the study, while macrovascular complications (arteries of the heart, brain, legs) were present in 41% of the patients analyzed.
It was observed that across all patients in this research, by day 7 one in five (20.3%) had been intubated and placed on a ventilator in intensive care, and one in 10 (10.3%) had died. A further 18% had been discharged home at this point.
Importantly, the presence of microvascular or macrovascular complications each more than doubled the risk of death at day 7. Advanced age also substantially increased the risk of death, with the group of patients aged 75 years and more than 14 times more likely to die than younger patients aged under 55 years, while patients 65-74 years old were three times more likely to die than those under 55 years.
It was found that the presence of the respiratory condition obstructive sleep apnoea almost tripled the risk of death at 7 days, as did the presence of dyspnoea symptoms (shortness of breath).
The research study also confirmed that insulin, and indeed all treatments for modifying blood sugar, are not a risk factor for severe forms of COVID-19 and should be continued in patients with diabetes. Encouragingly, there were no deaths in patients under 65 years old with type 1 diabetes, but the researchers highlight there were
only 39 patients with type 1 diabetes in this study and other work is ongoing to establish the effect of COVID-19 in this specific population.
Also Increase BMI raised the risk of reaching the combined primary outcome of the study (intubation/ventilation or death at day 7). Women were 25% less likely to reach the combined primary endpoint than men (a result that had borderline statistical significance). However, when looking at death only, men were not statistically more likely to die at day 7 than women.
Professor Dr Bertrand Cariou told Thailand Medical News, "The risk factors for severe form of COVID-19 are identical to those found in the general population: age and BMI."
Professor Dr Samy Hadjadj added, "Elderly populations with long-term diabetes with advanced diabetic complications and/or treated obstructive sleep apnoea were particularly at risk of early death, and might require specific management to avoid infection with the novel coronavirus. BMI also appears as an independent prognostic factor for COVID-19 severity in the population living with diabetes requiring hospital admission. The link between obesity and COVID-19 requires further study."
The medical researchers plan to further investigate and publish in the summer the outcomes of some 3000 patients with diabetes hospitalized with COVID-19, looking at their status 28 days after admission to hospital.
This new study will also make more detailed comparisons of COVID-19 outcomes in patients with and without diabetes.
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