It was reported that during intra-aortic balloon (iab) therapy, the cs300 intra-aortic balloon pump (iabp) generated a "sensor calibration error/optical sensor failure" alarm.An attempt was made to secure arterial pressure by connecting a blood pressure transducer to the inner lumen, but the arterial pressure could not be measured due to an inner lumen occlusion.Heparock may have been insufficient because the inner lumen was able to be used until the iab was placed.Clinically, heparock is used as an electrocardiogram trigger, and the arterial pressure was handled by the radial pressure.The location of use was a cardiac catheterization laboratory, and the tortuosity of the blood vessel was slight.There was no scarring at the right femoral insertion site.The sheath was an 8fr 10cm made by another company.The calcification of the artery was mild, and the guidewire used was the included 0.025 guidewire.The patient's vitals were stable, blood pressure was normal, and the patient was able to get out of bed early.Therapy was successfully completed after eight hours.There was no patient harm or adverse event reported.
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