It was reported that during intra-aortic balloon (iab) therapy initiation, the guidewire (0.035") was being inserted through the right groin using a commercially available sheath, not the sheath supplied with the iab catheter, but it was difficult to advance.A guidewire was then inserted through the left groin using another commercially available sheath, not the sheath supplied with the iab catheter.It was again difficult to advance.It was noted that a kink occurred because of iab insertion resistance, the iab optical sensor was damaged, and an "iab optical sensor failure¿ alarm was generated.It was reported that the insertion was performed without an x-ray.The iab was then replaced and the supplied sheath was used to provide therapy.
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