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Sickle cell anemia and mitral valve replacement. Case report.
Scandinavian Journal of Thoracic and Cardiovascular Surgery
|January 1, 1989
Summary
This case study details successful mitral valve replacement in an 8-year-old boy with sickle cell disease and rheumatic heart disease. The procedure involved careful management of hemoglobin S levels and extracorporeal circulation.
Area of Science:
- Cardiology
- Hematology
- Pediatric Surgery
Background:
- Sickle cell disease (SCD) can present with cardiac complications, including valvular disease.
- Rheumatic heart disease (RHD) is a significant cause of mitral incompetence.
- Co-management of SCD and cardiac conditions poses unique clinical challenges.
Observation:
- An 8-year-old boy with SCD experienced a severe hemolytic anemia crisis (95% hemoglobin S).
- He also had mitral incompetence secondary to RHD.
- A 27 mm monostrut Björk-Shiley valve prosthesis was implanted.
Findings:
- Partial exchange transfusions reduced hemoglobin S to <40% pre-operatively.
- High-flow normothermic perfusion was employed during extracorporeal circulation.
- Care was taken to prevent hypoxia and acidosis during surgery.
Implications:
- Successful surgical intervention is possible in pediatric patients with combined SCD and RHD.
- Careful preoperative management of SCD crisis is crucial for surgical outcomes.
- Normothermic perfusion and meticulous intraoperative care can optimize recovery in complex cases.