Seminars in pediatric surgery
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Craniopagus twins are rare and account for up to 6% of all conjoined twins. No hospital will encounter many such twins and the opportunity to develop expertise is limited. ⋯ We believe that detailed imaging allows precise delineation of the anatomy and facilitates detailed planning of the surgery. When venous drainage from the 2 brains is connected, we believe that staged separation is preferable as gradual alteration of hemodynamics may be safer than a single-stage procedure.
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All good intensive care requires attention to detail of the routine elements of care. These include staffing and monitoring, drug prescription and administration, feeding and fluid balance, analgesia and sedation, organ support and reducing the risk of healthcare-associated infection. Doing this well requires an understanding of the relevant physiology and an awareness of the limited evidence base. ⋯ This is especially true following separation of conjoined twins. Despite the sophisticated imaging and multi-disciplinary planning that precede elective separation, the acute physiological changes in each twin cannot always be predicted reliably. In this article, we review briefly each element of peri-operative care and how this might vary in conjoined twins.
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The management of anaesthesia for conjoined twins poses unique anatomical, physiological and logistic challenges. Although many possible configurations of union exist and each is unique, we describe the principles of anaesthesia for conjoined twins drawing on our institutional experience of managing 26 sets for a variety of procedures including separation.