2022, Number 3-4
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MEDICC Review 2022; 24 (3-4)
High Levels of Serum Bile Acids in COVID-19 Patients on Hospital Admission
Piñol-Jiménez FN, Capó-de Paz V, Ruiz-Torres JF, Montero-González T, Urgellés-Carreras SA, Breto-García A, Amador-Armenteros A, Llerena-Mesa MM, Galarraga-Lazcano AG
Language: English
References: 19
Page: 53-56
PDF size: 147.36 Kb.
ABSTRACT
INTRODUCTION Bile acids are signaling molecules with
immune, metabolic and intestinal microbiota control actions.
In high serum concentrations they increase infl ammatory
response from the liver-gut axis, until causing multiorgan
failure and death; therefore, they may be associated with
COVID-19’s clinical progression, as a consequence of tissue
and metabolic damage caused by SARS-CoV-2. While this
topic is of considerable clinical interest, to our knowledge, it
has not been studied in Cuba.
OBJECTIVE Study and preliminarily characterize patients
admitted with a diagnosis of COVID-19 and high levels of
serum bile acids.
METHODS A preliminary exploratory study was carried out
with descriptive statistical techniques in 28 COVID-19 patients
(17 women, 11 men; aged 19–92 years) who exhibited high
levels of serum bile acids (≥10.1 μmol/L) on admission to the
Dr. Luis Díaz Soto Central Military Hospital in Havana, Cuba,
from September through November 2021.
RESULTS On admission patients presented hypocholesterolemia
(13/28; 46.4%), hyperglycemia (12/28; 43.0%)
and hyper gamma-glutamyl transpeptidase (23/28; 84.2%).
Median blood glucose (5.8 mmol/L) and cholesterol (4.1
mmol/L) were within normal ranges (3.2‒6.2 mmol/L and
3.9‒5.2 mmol/L, respectively). Severe or critical stage was
the most frequent (13/28) and median serum bile acids
(31.6 μmol/L) and gamma-glutamyl transferase (108.6
U/L) averaged well above their respective normal ranges
(serum bile acids: 0‒10 μmol/L; GGT: 9‒36 U/L). Arterial
hypertension was the most frequent comorbidity (19/28;
67.9%).
CONCLUSIONS Severe or critical stage predominated, with
serum bile acids and gamma-glutamyl transferase blood
levels above normal ranges. The study suggests that serum
bile acid is toxic at levels ≥10.1 μmol/L, and at such levels
is involved in the infl ammatory process and in progression to
severe and critical clinical stages of the disease. In turn, this
indicates the importance of monitoring bile acid homeostasis
in hospitalized COVID-19 patients and including control of its
toxicity in treatment protocols.
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