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Murine Model of Wound Healing
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Effect of haematocrit on wound healing in children

J Viljanto1

  • 1Department of Paediatrics, Turku University Central Hospital, Finland.

Zeitschrift Fur Kinderchirurgie : Organ Der Deutschen, Der Schweizerischen Und Der Osterreichischen Gesellschaft Fur Kinderchirurgie = Surgery in Infancy and Childhood
|June 1, 1990
PubMed

Insights

Mild anemia may affect wound healing in children. Optimal hematocrit (Hct) levels for wound healing (WH) were found to be 37-39%, with hemoglobin (Hb) of 12.0-12.4 g/100 ml. Deviations from these levels can significantly retard healing.

Area of Science:

  • Pediatric Surgery
  • Wound Healing Research
  • Hematology

Background:

  • The impact of mild to moderate normovolemic anemia on wound healing (WH) remains a subject of debate.
  • Existing animal studies and clinical observations present conflicting results regarding anemia's effect on WH.

Purpose of the Study:

  • To investigate the relationship between hematocrit (Hct) and hemoglobin (Hb) levels and wound healing in pediatric patients undergoing surgery.
  • To determine the optimal hematocrit and hemoglobin ranges for effective wound healing in children.

Main Methods:

  • Sixty-six boys (ages 5-15) undergoing routine unilateral inguinal hernia repair were studied.
  • Wound healing was assessed using the Cellstic device, analyzing differential cell counts and cell-to-cell ratios.
  • Hematocrit (Hct) and hemoglobin (Hb) levels were correlated with wound healing parameters.

Main Results:

  • The optimal hematocrit (Hct) range for wound healing was identified as 37-39%, with corresponding hemoglobin (Hb) values of 12.0-12.4 g/100 ml.
  • Hematocrit levels below or above this optimal range were found to significantly retard wound healing (p < 0.02).
  • This retardation occurred without any visible signs of delayed wound healing.

Conclusions:

  • Mild decreases in Hct during surgery are permissible for most healthy children with normal blood values, as they do not appear to harm wound healing.
  • The study suggests specific Hct and Hb thresholds critical for optimal wound healing outcomes in pediatric surgical patients.

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