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Cardiovascular effects of implanted acrylic bone cement.
British Medical Journal
|August 1, 1971
Summary
Hypotension commonly occurs after femoral shaft cementation during hip arthroplasty, but not with acetabular cement. Further research is needed to understand the causes of this blood pressure drop.
Area of Science:
- Orthopedic Surgery
- Anesthesiology
- Biomaterials Science
Background:
- Hip arthroplasty frequently involves the use of acrylic bone cement.
- Intraoperative hemodynamic changes during orthopedic procedures require careful monitoring.
Purpose of the Study:
- To investigate the immediate effects of acrylic cement implantation on systemic arterial blood pressure during hip arthroplasty.
Main Methods:
- A pilot study was conducted involving patients undergoing hip arthroplasty.
- Systemic arterial blood pressure was monitored within 90 seconds of acrylic cement implantation into the femoral shaft and acetabulum.
Main Results:
- A transient fall in systemic arterial blood pressure was observed in most cases following femoral shaft cementation.
- No significant change in arterial blood pressure was typically noted after acetabular cement implantation.
Conclusions:
- Femoral shaft cementation during hip arthroplasty is associated with a high incidence of acute hypotension.
- The precise mechanisms, potentially involving monomer absorption, require further investigation to elucidate the cause of observed hemodynamic changes.