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Related Experiment Videos

Bloodless splenic surgery: the safe warm-ischemic time

S H Teperman1, B S Whitehouse, R J Sammartano

  • 1Department of Surgery, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY.

Journal of Pediatric Surgery
|January 1, 1994
PubMed
Summary

Determining safe splenic ischemia times is crucial for bloodless spleen surgery. Two hours of warm ischemia appears safe in dogs, suggesting one hour may be safe for humans.

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Area of Science:

  • Surgical Innovation
  • Organ Preservation
  • Ischemia Research

Background:

  • Bloodless splenic surgery aims to minimize bleeding during procedures.
  • Understanding the spleen's tolerance to warm ischemia is vital for surgical planning.

Purpose of the Study:

  • To determine the safe duration of warm ischemia for the spleen.
  • To assess the feasibility of bloodless splenic surgery techniques.

Main Methods:

  • Mongrel dogs were divided into two groups, subjected to 2 or 3 hours of splenic pedicle occlusion.
  • Sulfur colloid scintiscanning, blood analysis (Howell-Jolly bodies, immunoglobulins), and pathological examination were performed.

Main Results:

  • Three hours of warm splenic ischemia led to necrosis and dysfunction in 40% of dogs.

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  • Two hours of ischemia showed minimal adverse effects, with normal scans and low Howell-Jolly body counts.
  • A decrease in peripheral IgG was observed in dogs with longer ischemia times.

    • Conclusions:

    • Two hours of warm splenic ischemia is safe for dogs.
    • One hour of ischemia is likely safe for humans, allowing adequate time for splenic surgical procedures.
    • This research supports the development of bloodless splenic surgery techniques.