A pediatric patient in (b)(6) was undergoing therapeutic plasma exchange treatment (tpe) for guillain-barre syndrome.The tpe set was connected via an extracorporeal membrane oxygenation (ecmo) circuit with smith stopcocks.At the completion of the tpe treatment, kelly clamps were used to disconnect the tpe access line from the ecmo circuit and the male luer broke off in the stopcock.The blood in the extracorporeal circuit was not returned to the patient resulting in an estimated blood loss of 71 ml.
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