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Porcine Model of Infrarenal Abdominal Aortic Aneurysm
Published on: November 21, 2019
Hemolytic anemia after operation for aortic dissection using teflon felt strips
Yuki Nakamura1, Hitoshi Ogino, Hitoshi Matsuda
1Department of Cardiovascular Surgery, National Cardiovascular Center, Osaka, Japan.
The Annals of Thoracic Surgery
|April 30, 2008
Summary
Surgical reinforcement of aortic dissection repair using Teflon felt strips can cause anastomotic stenosis, leading to hemolytic anemia. Careful suturing of internal felt strips is crucial to prevent this serious complication.
Area of Science:
- Cardiovascular Surgery
- Hematology
- Medical Device Complications
Background:
- Aortic dissection repair often involves reinforcing the aortic stump.
- Teflon felt strips are utilized for this surgical reinforcement.
Observation:
- Three cases presented with hemolytic anemia following aortic dissection surgery.
- Anastomotic stenosis was identified as the cause of anemia.
Findings:
- The complication arose from the use of internal and external Teflon felt strips for aortic stump reinforcement.
- Laboratory findings indicative of red cell fragmentation syndrome and specific imaging are essential for diagnosis.
Implications:
- Meticulous surgical technique, particularly when suturing internal felt strips, is vital to prevent anastomotic stenosis.
- Awareness of this complication is necessary for timely diagnosis and management in patients undergoing aortic dissection repair.
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