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Critical Care Explorations
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Critical Care Explorations
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Hemodynamic Effects of an Increased Midodrine Dosing Frequency

Authors: Christoph S. Nabzdyk; Scott D Nei; Natalie A Haddad; Shea A Macielak; Nicholas J Vollmer;

Hemodynamic Effects of an Increased Midodrine Dosing Frequency

Abstract

Objectives: In practice, midodrine has been used to reduce IV vasopressor requirements and decrease ICU length of stay. However, recent publications have failed to show clinical success when midodrine was administered every 8 hours. One possible reason for the lack of clinical efficacy at this dosing interval may be the pharmacokinetic properties of midodrine that support a more frequent dosing interval. Here, we report our institutional experience with midodrine at a dosing frequency of every 6 hours. Design: Single, quaternary academic medical center, retrospective, descriptive study. Setting: Floor and ICU patients admitted to Mayo Clinic, Rochester, from May 7, 2018, to September 30, 2020. Patients: Adult patients with an order for midodrine with a dosing frequency of “every 6 hours” or “four times daily” were eligible for inclusion. Interventions: No intervention performed. All data were abstracted retrospectively from the electronic medical record. Measurements and Main Results: Forty-four unique patients were identified that met inclusion criteria. Patients were an average of 65 years and 63.6% were male. The individual doses of midodrine ranged from 5 to 20 mg. Twenty-three patients (52.3%) were receiving IV vasopressors at the time midodrine was ordered every 6 hours. Vasopressor requirements decreased from an average of 0.10 norepinephrine equivalents 24 hours prior to the every 6-hour order to 0.05 norepinephrine equivalents 24 hours after an order for midodrine every 6 hour was placed. Conclusions: Increasing the dosing frequency of midodrine to every 6 hours may optimize its pharmacokinetic profile without compromising safety. This midodrine dosing frequency should be prospectively evaluated as a primary strategy for accelerated IV vasopressor wean.

Related Organizations
Keywords

RC86-88.9, Medical emergencies. Critical care. Intensive care. First aid, Original Clinical Report

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Top 10%
Average
Average
Green
gold