Portuguese Man O' War-induced Sural Compression Neuropathy: A Case Report

  • 0Department of Anesthesiology, Division of Pain Medicine, Washington University School of Medicine in St. Louis, St. Louis, Missouri.

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Summary

This summary is machine-generated.

Portuguese man o' war (Physalia physalis) stings can cause long-term pain. This case study shows that sural nerve compression neuropathy from a sting can be treated effectively with pain medications, physical therapy, and nerve blocks.

Area Of Science

  • Marine Biology
  • Neurology
  • Toxicology

Background

  • The Portuguese man o' war (Physalia physalis) inhabits semitropical Atlantic waters.
  • Its long tentacles pose a risk to swimmers, causing envenomation with potential local and systemic effects.
  • While long-term effects are rare, persistent skin changes have been documented.

Purpose Of The Study

  • To describe a case of persistent neuropathy following Portuguese man o' war envenomation.
  • To highlight potential long-term neurological complications of Physalia physalis stings.
  • To present a successful conservative management strategy for this condition.

Main Methods

  • A case report of a 46-year-old woman with chronic neuropathic pain after a Physalia physalis sting.
  • Evaluation of persistent shooting and burning pain in the lower extremity.
  • Treatment included medications for neuropathic pain, physical therapy, and sural nerve blocks.

Main Results

  • The patient experienced persistent shooting and burning pain in her left lower extremity for one year post-envenomation.
  • Conservative management, including medications, physical therapy, and nerve blocks, provided relief.
  • The patient was diagnosed with sural compression neuropathy.

Conclusions

  • Portuguese man o' war envenomation can lead to persistent sural compression neuropathy.
  • Conservative management strategies are effective in treating this rare complication.
  • This case underscores the importance of recognizing and managing delayed neurological sequelae of marine stings.

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