Acute onset of folate deficiency in patients under intensive care

Critical Care Medicine
|September 1, 1980
PubMed

Insights

Ruptured abdominal aortic aneurysm surgery can cause rapid folate deficiency in bone marrow, leading to thrombocytopenia. Early folic acid therapy can prevent this potentially fatal complication.

Area of Science:

  • Hematology
  • Surgical Complications
  • Nutritional Deficiencies

Background:

  • Ruptured abdominal aortic aneurysm (AAA) is a life-threatening condition requiring emergency surgery.
  • Post-operative complications can significantly impact patient outcomes.
  • Thrombocytopenia, a decrease in platelet count, can arise from various causes.

Purpose of the Study:

  • To investigate the cause of rapid-onset thrombocytopenia in patients following ruptured AAA repair.
  • To explore the role of folate deficiency in post-operative hematological changes.
  • To highlight a preventable complication of critical illness.

Main Methods:

  • Case series of four patients with ruptured AAA undergoing surgery.
  • Hematological analysis including bone marrow examination.
  • Deoxyuridine suppression test to assess folate deficiency in marrow cells.

Main Results:

  • Four patients developed thrombocytopenia and megaloblastic changes 3-10 days post-surgery.
  • Direct evidence of folate deficiency in bone marrow was confirmed in two patients.
  • Folate deficiency appeared localized to the bone marrow.

Conclusions:

  • Localized bone marrow folate deficiency can rapidly cause thrombocytopenia after ruptured AAA surgery.
  • This complication is potentially fatal but preventable with folic acid supplementation.
  • Recognizing and treating folate deficiency is crucial in critically ill patients.

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