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Related Experiment Videos

Delayed insulin absorption due to subcutaneous edema.

C R Ariza-Andraca1, E Altamirano-Bustamante, A C Frati-Munari

  • 1Departament of Internal Medicina, Hospital de Especialidades, Centro Médico La Raza, Instituto Mexicano del Seguro Social, D.F.

Archivos De Investigacion Medica
|April 1, 1991
PubMed
Summary

Subcutaneous edema significantly impairs insulin absorption, leading to delayed and reduced insulin delivery. This effect is more pronounced in individuals with non-insulin dependent diabetes mellitus, complicating glycemic control.

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Area of Science:

  • Endocrinology
  • Metabolism
  • Pharmacokinetics

Background:

  • Insulin absorption variability impacts glycemic control in diabetes.
  • Factors influencing insulin absorption include injection site, temperature, and exercise.
  • The effect of subcutaneous edema on insulin absorption remains underexplored.

Purpose of the Study:

  • To investigate whether subcutaneous edema interferes with insulin absorption.
  • To quantify the impact of generalized and mild edema on insulin pharmacokinetics.
  • To assess if edema's effect on insulin absorption differs in patients with non-insulin dependent diabetes mellitus.

Main Methods:

  • Prospective study involving 46 patients divided into three groups: generalized edema, no edema, and mild edema.
  • Radioactive iodine (I125)-labeled insulin disappearance was measured over 360 minutes.

Related Experiment Videos

  • Insulin absorption rates and peak plasma levels were compared between groups, with a focus on patients with non-insulin dependent diabetes mellitus.

    • Main Results:

    • Significantly lower and delayed insulin absorption rates were observed in patients with generalized edema compared to those without.
    • Insulin absorption at 360 minutes was 3-4 fold lower in the generalized edema group (p < 0.001).
    • Peak plasma I125-insulin levels were also 3-4 fold lower in the generalized edema group; mild edema showed intermediate results.

    Conclusions:

    • Subcutaneous edema demonstrably impairs insulin absorption.
    • Edema-induced alterations in insulin absorption present a challenge for achieving optimal glycemic control.
    • The negative impact of edema on insulin absorption is more pronounced in patients with non-insulin dependent diabetes mellitus.