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Cited by 253

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Ascorbate-dependent vasopressor synthesis: a rationale for vitamin C administration in severe sepsis and septic shock?

Open access
Carr, Anitra C., Shaw, Geoffrey M., Fowler, Alpha A., Natarajan, Ramesh·2015·Critical Care

Abstract

Severe systemic inflammatory response to infection results in severe sepsis and septic shock, which are the leading causes of death in critically ill patients. Septic shock is characterised by refractory hypotension and is typically managed by fluid resuscitation and administration of catecholamine vasopressors such as norepinephrine. Vasopressin can also be administered to raise mean arterial pressure or decrease the norepinephrine dose. Endogenous norepinephrine and vasopressin are synthesised by the copper-containing enzymes dopamine β-hydroxylase and peptidylglycine α-amidating monooxygenase, respectively. Both of these enzymes require ascorbate as a cofactor for optimal activity. Patients with severe sepsis present with hypovitaminosis C, and pre-clinical and clinical studies have indicated that administration of high-dose ascorbate decreases the levels of pro-inflammatory biomarkers, attenuates organ dysfunction and improves haemodynamic parameters. It is conceivable that administration of ascorbate to septic patients with hypovitaminosis C could improve endogenous vasopressor synthesis and thus ameliorate the requirement for exogenously administered vasopressors. Ascorbate-dependent vasopressor synthesis represents a currently underexplored biochemical mechanism by which ascorbate could act as an adjuvant therapy for severe sepsis and septic shock.

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Metadata

Authors
Carr, A. C., Shaw, G. M., Fowler, A. A., & Natarajan, R.
Venue
Critical Care
Published
2015-12-01
Volume
19
Issue
1
Pages
418-418
ISSN
1364-8535 (ISSN-L)
OpenAlex
W2173612202
Cited by
253
References
9
FWCI
12.31
Type
journal article
Language
en
Open access
gold

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