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Related Experiment Videos

Lock method using sodium hydroxide solution to clear occluded central venous access devices.

K Sando1, M Fujii, K Tanaka

  • 1Department of Pediatric Surgery, Osaka University Medical School, Osaka, Japan.

Clinical Nutrition (Edinburgh, Scotland)
|August 1, 1997
PubMed
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The sodium hydroxide (NaOH) lock method effectively clears central venous access device (CVAD) occlusions in home parenteral nutrition patients, offering a safe and efficient alternative to other treatments.

Area of Science:

  • Medical Devices
  • Gastroenterology
  • Clinical Pharmacy

Background:

  • Central venous access devices (CVADs) are essential for long-term parenteral nutrition.
  • Occlusion is a frequent complication, necessitating effective management strategies.

Purpose of the Study:

  • To evaluate the efficacy of the sodium hydroxide (NaOH) lock method for treating gradual CVAD occlusions.
  • To assess the safety and benefits of this intervention in home parenteral nutrition patients.

Main Methods:

  • A 0.1 N sodium hydroxide (NaOH) solution was injected and locked into occluded CVADs.
  • Nineteen occlusions in 11 patients receiving home parenteral nutrition were treated using this method.

Main Results:

Related Experiment Videos

  • The NaOH lock method successfully cleared 16 out of 19 CVAD occlusions.
  • Three occlusions failed to clear; two were resolved with ethanol, and one was mechanical.
  • No significant complications were reported during the treatment period.

    • Conclusions:

    • The sodium hydroxide (NaOH) lock method is an effective and safe treatment for CVAD occlusions.
    • This method offers advantages including shorter treatment times, lower doses, no hospital admission, and prevention of catheter bursting.