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Heterotopic bone formation: An apparently benign complication of median sternotomy

Darryl S. Weiman1, James J. Levett, Kenneth Kampman

  • 1Departments of Surgery and Medicine, Pritzker School of Medicine, The University of Chicago, 950 E. 59th Street, Chicago, Illinois 60637.

Cardiovascular Diseases
|June 1, 1980
PubMed

Insights

Heterotopic bone formation, a rare complication, can occur in midline sternotomy scars. This study reports two such cases and explores potential causes, linking them to similar issues in abdominal incisions.

Area of Science:

  • Medical Case Reports
  • Surgical Complications
  • Bone Biology

Background:

  • Midline sternotomy is a common surgical approach.
  • Scar formation is a natural part of wound healing.
  • Heterotopic ossification involves bone formation in soft tissues.

Purpose of the Study:

  • To report two cases of heterotopic bone formation in midline sternotomy scars.
  • To discuss potential etiologies for this rare complication.
  • To draw parallels with similar occurrences in abdominal incisions.

Main Methods:

  • Case presentation of two patients with sternotomy scar ossification.
  • Literature review on heterotopic ossification in surgical scars.
  • Analysis of potential contributing factors.

Main Results:

  • Two instances of heterotopic bone formation within midline sternotomy scars were identified.
  • Similar complications have been noted following abdominal surgery.
  • Possible causes include inflammatory responses and cellular differentiation.

Conclusions:

  • Heterotopic bone formation is a potential, albeit uncommon, complication of midline sternotomy.
  • Understanding the underlying mechanisms may inform preventative strategies.
  • Further research is warranted to elucidate the precise causes and management.

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