The following information was reported to gore: on (b)(6) 2021, the patient underwent tevar with debranching for impending aortic rupture associated with stanford type b aortic dissection, and the propaten graft was used for axillo-axillary bypass.On (b)(6) 2021, the patient visited the hospital presenting a swelling of the graft implanted site which developed two weeks ago.On (b)(6) 2021, the patient was admitted to the hospital and aspiration of the seroma fluid was performed.The fluid was pale yellow (almost no color).Triglyceride of the fluid was low at 3 mg/dl and lymphatic leakage was unlikely.On (b)(6) 2021, the swelling was resolved.On an unknown date, aspiration of the seroma fluid was performed again.On (b)(6) 2021, since the patient condition was stable, an additional procedure was performed.The propaten graft was replaced with a new propaten graft.On an unknown date, the patient was discharged from the hospital.The device will be returned to gore for further investigation.
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