pCTA appears to reduce operative time by minimizing time spent identifying perforators, assisting in side selection for unilateral reconstruction, and optimizing planning when a long intramuscular course is identified. The effect of a learning curve cannot be excluded and is the chief limitation of this study.

Abdominal pressure is commonly used to assist endoscopists during colonoscopies. Principles for the appropriate technique of administering abdominal pressure have been published. [1][2][3][4] Caution is recommended to prevent injury to the patient because of the abdominal pressure, but until now, no significant injury because of abdominal pressure has been reported. DISCLOSURESAuthor contributions: RE Dixon and JC Fang wrote the manuscript. RE Dixon, S. McDonough, and JC Fang revised the manuscript for intellectual content and approved the final manuscript. JC Fang is the article guarantor.