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The minimum anesthetic concentration for sevoflurane in chickens was within the range of minimum alveolar concentration reported in mammals. When the concentration of sevoflurane is increased during controlled ventilation in chickens, decrease in arterial pressure should be expected.

As the volume of native polycystic kidneys could be reduced after renal transplantation, resection would be unnecessary if the space for kidney graft is available in the absence of infection, bleeding, or malignancy. When ADPKD is combined with polycystic liver disease, the possibility of intolerable symptoms caused by growing liver cysts should also be taken into account.

SummaryWe tested our hypothesis that use of the Parker Flex‐Tip™ tracheal tube could reduce the incidence of nasal mucosal trauma during nasotracheal intubation when compared with a conventional tip tracheal tube. One hundred and two patients, who were scheduled for elective oral surgery in which nasotracheal intubation was indicated to optimise the surgical approach, were recruited into this study. Either a Flex‐Tip tracheal tube or a conventional tip tracheal tube was chosen randomly for each nasotracheal intubation. The incidence of epistaxis using the Flex‐Tip tracheal tube (6 (11.8%)) was significantly lower than that with the conventional tip tracheal tube (18 (35.3%); p = 0.009). Nasal pain due to intubation, rated on a 100‐mm visual analogue scale, was less intense with the Flex‐Tip tracheal tube (median, (10th–90th percentile) 19 (12–28) mm compared with the conventional tip tracheal tube (30 (22–35) mm; p < 0.001). The Flex‐Tip tracheal tube thus appeared to reduce the incidence of nasal mucosal trauma during nasotracheal intubation and the incidence of post‐intubation nasal pain, compared with the conventional tip tracheal tube.

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