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2020 ; 110
(ä): 154317
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The role of visceral adiposity in the severity of COVID-19: Highlights from a
unicenter cross-sectional pilot study in Germany
#MMPMID32673651
Petersen A
; Bressem K
; Albrecht J
; Thieß HM
; Vahldiek J
; Hamm B
; Makowski MR
; Niehues A
; Niehues SM
; Adams LC
Metabolism
2020[Sep]; 110
(ä): 154317
PMID32673651
show ga
BACKGROUND AND AIMS: Overall obesity has recently been established as an
independent risk factor for critical illness in patients with coronavirus disease
2019 (COVID-19). The role of fat distribution and especially that of visceral
fat, which is often associated with metabolic syndrome, remains unclear.
Therefore, this study aims at investigating the association between fat
distribution and COVID-19 severity. METHODS: Thirty patients with COVID-19 and a
mean age of 65.6?±?13.1?years from a level-one medical center in Berlin, Germany,
were included in the present cross-sectional analysis. COVID-19 was confirmed by
polymerase chain reaction (PCR) from nasal and throat swabs. A severe clinical
course of COVID-19 was defined by hospitalization in the intensive care unit
(ICU) and/or invasive mechanical ventilation. Fat was measured at the level of
the first lumbar vertebra on routinely acquired low-dose chest computed
tomography (CT). RESULTS: An increase in visceral fat area (VFA) by ten square
centimeters was associated with a 1.37-fold higher likelihood of ICU treatment
and a 1.32-fold higher likelihood of mechanical ventilation (adjusted for age and
sex). For upper abdominal circumference, each additional centimeter of
circumference was associated with a 1.13-fold higher likelihood of ICU treatment
and a 1.25-fold higher likelihood of mechanical ventilation. CONCLUSIONS: Our
proof-of-concept study suggests that visceral adipose tissue and upper abdominal
circumference specifically increase the likelihood of COVID-19 severity. CT-based
quantification of visceral adipose tissue and upper abdominal circumference in
routine chest CTs may therefore be a simple tool for risk assessment in COVID-19
patients.