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January 1, 2021Anais da Academia Brasileira de CiênciasOpen Access

The brief methylprednisolone administration is crucial to mitigate cardiac dysfunction after myocardial infarction

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Why the study?

Post-infarction glucocorticoid administration has yielded conflicting results, which may relate to the glucocorticoid type and timing of administration.

Does a single dose of methylprednisolone acetate mitigate cardiac dysfunction and remodeling after acute myocardial infarction in a rat model?

Population

Male Wistar rats

Comparison

Single dose of methylprednisolone acetate vs untreated infarction vs sham operation

Design

Animal study

Follow-up

56 days

Authors

ABAlan Christhian BahrUniversidade Federal de Ciências da Saúde de Porto AlegreJLJulia Paim da LuzUniversidade Federal do Rio Grande do SulRTRayane Brinck TeixeiraProvidence College

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Implication

Hypothesis-generating for brief post-MI glucocorticoids in models; leaves open human translation and optimal timing.

Structured PICO

Does a single dose of methylprednisolone acetate mitigate cardiac dysfunction and remodeling after acute myocardial infarction in a rat model?

P
Population
Male Wistar rats subjected to acute myocardial infarction (AMI) or sham operation
I
Intervention
Single dose of methylprednisolone acetate (40 mg/kg i.m.) immediately after surgery
C
Comparator
Infarcted rats without treatment (AMI group) and sham-operated rats (SHAM group)
O
Outcome
Cardiac function, rates of hypertrophy and congestion, oxidative stress, and metalloproteinase activitysurrogate

A single dose of methylprednisolone acetate administered immediately after myocardial infarction in rats attenuates detrimental ventricular remodeling and prevents pulmonary congestion.

Cite This Study

Bahr et al. (2021) studied this question.

synapsesocial.com/papers/6a7262bde5469ee92be26334https://doi.org/10.1590/0001-3765202120210297
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Ventricular remodeling after myocardial infarction. Experimental observations and clinical implications.1990 · 2,883 citations
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  5. 5PROTEIN MEASUREMENT WITH THE FOLIN PHENOL REAGENT1951 · 318,728 citations