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Related Experiment Videos

Delayed increase in LDL cholesterol following pentagastrin-induced panic attacks.

Jorge Perez-Parada1, Gian S Jhangri, Nathalie Lara

  • 1Department of Psychiatry, University of Alberta, 1E7.05 Mackenzie Centre, Edmonton, Alberta, Canada.

Psychopharmacology
|April 24, 2007
PubMed
Summary
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Panic attacks (PAs) significantly increase low-density lipoprotein cholesterol (LDL-C) by 10.4% in males 24 hours after the event. This finding may explain increased cardiovascular risk in men with panic disorder.

Area of Science:

  • Cardiology
  • Psychiatry
  • Biochemistry

Background:

  • Panic disorder (PD) is linked to higher cardiovascular (CV) risks.
  • Previous studies show inconsistent links between PD and elevated low-density lipoprotein cholesterol (LDL-C).
  • Cholesterol levels may correlate with panic attack (PA) frequency and intensity.

Purpose of the Study:

  • To determine if panic attacks (PAs) are associated with increased LDL-C.
  • To investigate the physiological impact of PAs on cholesterol levels.

Main Methods:

  • A double-blind, placebo-controlled crossover study.
  • 18 patients with PD and 33 healthy controls received placebo and pentagastrin injections.
  • Randomized design to induce panic attacks.

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Main Results:

  • Pentagastrin-induced PAs caused a significant 10.4% increase in LDL-C in male subjects.
  • This LDL-C increase was delayed, observed 24 hours post-PA.
  • No significant effect on LDL-C was observed in female subjects.

Conclusions:

  • Panic attacks directly impact LDL-C levels in males.
  • Frequent PAs may contribute to elevated LDL-C and increased CV risk in male PD patients.
  • Gender differences in PA response may explain inconsistent findings in prior research.