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[Localized cardiac tamponade after aortic valve replacement: a case report]
N Isoda1, C Nakamura, T Watanabe
1Second Department of Surgery, Yamagata University School of Medicine, Japan.
Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 1, 1994
Summary
A localized cardiac tamponade case after aortic valve replacement presented with hypotension and renal failure. Computed tomography diagnosed the condition, which resolved after spontaneous hematoma drainage.
Area of Science:
- Cardiology
- Radiology
- Nephrology
Background:
- Aortic valve replacement is a common procedure for aortic valve steno-insufficiency.
- Postoperative complications can include cardiac tamponade, a potentially life-threatening condition.
Observation:
- A 56-year-old male developed severe hypotension and acute renal failure on postoperative day 3 after aortic valve replacement.
- Initial echocardiography did not reveal cardiomegaly, elevated central venous pressure, or echo-free spaces.
- A chest X-ray on postoperative day 37 showed a mass shadow, leading to further investigation.
Findings:
- Computed tomography and radioangiography on postoperative day 38 diagnosed a localized cardiac tamponade (hematoma).
- The patient experienced spontaneous drainage of old bloody effusion from a partially opened wound.
- Cardiac and renal function rapidly improved following the drainage.
Implications:
- Localized cardiac tamponade can be challenging to diagnose with conventional echocardiography.
- Computed tomography is crucial for diagnosing localized hematomas when echocardiography is inconclusive.
- Prompt diagnosis and management are essential for favorable outcomes in postoperative cardiac tamponade.