Related Experiment Videos
[Pulmonary fat embolism during bipolar hip endoprosthesis]
T Tsujitou1, T Ishiyama, S Dohi
1Department of Anesthesia, Gifu Social Insurance Hospital, Kani.
Summary
Fatal pulmonary fat embolism can occur during bipolar hip replacement surgery. Monitoring central venous and pulmonary artery pressures may aid in early detection of this serious complication.
Area of Science:
- Orthopedic Surgery
- Anesthesiology
- Pathology
Background:
- Bipolar hip endoprosthesis is a surgical procedure for femoral neck fractures.
- Combined lumbar epidural/general anesthesia is often used.
- Increased intramedullary pressure during surgery is a potential risk factor.
Observation:
- Two elderly female patients experienced circulatory collapse shortly after bone cement and femoral stem placement.
- Despite immediate cardiopulmonary resuscitation, both patients died within hours.
- Autopsy revealed widespread fat particles in pulmonary vasculature.
Findings:
- The primary cause of death was identified as pulmonary fat embolism.
- Fat embolism likely resulted from increased intramedullary pressure during cement pressurization and femoral stem insertion.
- This syndrome represents a serious, potentially fatal complication of bipolar hip endoprosthesis.
Implications:
- Anesthesiologists must be aware of the risk of pulmonary fat embolism during this procedure.
- Monitoring central venous pressure and pulmonary artery pressure is recommended for early detection.
- Prompt recognition and management are crucial for improving patient outcomes.