Summary
McArdle disease (glycogen storage disease type V) is a rare, autosomal recessive disorder with an incidence of roughly 1:100,000. Despite concern that labour could predispose these patients to muscle damage, there are no evidence‐based guidelines for the management of labour and delivery in this population. We describe the case of a nulliparous parturient with both McArdle disease and adenosine monophosphate deaminase 1 deficiency who developed rhabdomyolysis after vaginal delivery. In the absence of common triggers, we believe that prolonged pushing efforts contributed to the increase in postpartum creatinine kinase. There are no previous cases of postpartum rhabdomyolysis after caesarean or assisted vaginal delivery within 45 min. We recommend that practitioners be alert to the possibility of rhabdomyolysis occurring with greater than 2 h of pushing efforts in parturients with McArdle disease.
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