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Related Experiment Videos

Multiple extremity amputations in hypotensive patients treated with dopamine

F L Golbranson, L Lurie, R M Vance

    JAMA
    |March 21, 1980
    PubMed
    Summary

    Dopamine hydrochloride effectively treats hypotension but high doses can cause dangerous vasoconstriction. This can lead to severe peripheral ischemia and gangrene, necessitating amputations.

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    Area of Science:

    • Cardiology
    • Pharmacology
    • Critical Care Medicine

    Background:

    • Dopamine hydrochloride is a standard treatment for hypotension and shock in patients with adequate blood volume.
    • Its physiological effects are dose-dependent, influencing cardiovascular and peripheral responses.

    Observation:

    • High-dose dopamine administration (over 10 microgram/kg/min) can stimulate alpha-receptors.
    • This stimulation leads to vasoconstriction and potentially compromises blood flow to extremities.

    Findings:

    • Four patients treated with dopamine developed peripheral ischemia and gangrene.
    • These severe complications necessitated multiple extremity amputations in the affected patients.

    Implications:

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  • Peripheral ischemia and gangrene are significant, potentially devastating complications of dopamine therapy.
  • Careful dose monitoring and awareness of these risks are crucial for patient safety during hypotension treatment.