On (b)(6) 2023, fresenius was made aware of an article, ¿anaphylaxis from ethylene oxide¿sterilized dialysis tubing and needles: a case report.¿ in the article, there is documentation of a 78-year-old male hemodialysis (hd) patient experiencing an adverse event during treatment utilizing the fresenius combiset tubing.The patient had been completing hd for approximately 2.5 years without significant complications.The patient was previously on peritoneal dialysis.The patient had recently been utilizing a tunneled dialysis catheter (tdc) and transitioned back to use of a right upper extremity arteriovenous fistula (avf).Initial information within the article outlined that this patient experienced hypotension and bradycardia during an hd treatment.The symptoms resolved when treatment was discontinued.The patient was instructed to decrease his anti-hypertensive medications.No further information was provided in the article.Additional information was provided through follow-up with the co-author of the article.The patient was in an hd treatment on (b)(6) 2021.Approximately 15 minutes into a three-hour treatment, the patient¿s oxygen (o2) desaturated to 89% on room air.Additionally, the patient¿s blood pressure (bp) was 96/52 mmhg, heart rate (hr) 53, and respiration rate (rr) 18.The patient was administered medical intervention with 6l o2 via nasal canula (nc) which brought his o2 saturation to 96%.Repeat vitals were taken by the rapid response team (dialysis unit is located within the hospital) with bp 122/68 mmhg, and o2 sat 96% after a reduction to 3l o2.The patient was able to complete the hd treatment.The patient was instructed to reduce his home metoprolol dose from 100mg two times a day (bid) to 50mg bid.No additional information was provided.
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