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Programmable shunt valve affected by exposure to a tablet computer.

Jennifer Strahle1, Béla J Selzer, Karin M Muraszko

  • 1Department of Neurosurgery, University of Michigan, Ann Arbor, Michigan 48109-5338, USA.

Journal of Neurosurgery. Pediatrics
|June 28, 2012
PubMed
Summary
This summary is machine-generated.

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Tablet devices can alter programmable shunt valve settings. Close proximity (under 1 cm) to a tablet, especially without a cover, significantly increases the risk of unintended valve adjustments.

Area of Science:

  • Neurosurgery
  • Biomedical Engineering
  • Medical Devices

Background:

  • Programmable shunt valves are crucial for managing cerebrospinal fluid (CSF) pressure in neurological conditions.
  • Maintaining accurate valve performance is essential for patient outcomes.
  • The increasing prevalence of electronic devices necessitates understanding their potential impact on medical implants.

Observation:

  • Magnetic field strength was measured around tablet computers with and without covers.
  • Programmable shunt valves were exposed to tablets at various distances (0-100 mm).
  • Valve performance-level settings were recorded after exposure.

Findings:

  • Exposure to tablet devices, particularly at distances less than 1 cm, can alter programmable shunt valve settings.

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  • A significant percentage (58%) of valves changed settings when exposed at <1 cm with a cover.
  • Uncovered tablets showed a higher rate of change (67%) at <1 cm.

    • Implications:

    • Patients with programmable shunt valves should exercise caution when using tablet computers.
    • Further research is needed to establish safe usage guidelines for electronic devices near shunts.
    • This study highlights potential risks associated with the interaction of modern technology and neurosurgical implants.