Method of deciding risk of obstructive sleep apnea syndrome, method of deciding sinking of hyoid bone, programs, X-ray diagnostic system, and method of making oral appliance

摘要

Provided are a method of deciding the risk of obstructive sleep apnea syndrome capable of deciding the risk of a subject to become obstructive sleep apnea syndrome objectively and easily in a short time, its program and an X-ray diagnostic system having the program.;The method includes detecting at least the hyoid bone, sella S, gonion Go and menton Me by lateral head and neck radiography of the subject; and deciding whether the center of the body or the whole of the body of the detected hyoid bone is included in an area above a perpendicular drawn toward the extended line of the segment S-Go from Me or not.

主权项

1. A method of deciding the risk of obstructive sleep apnea syndrome executed by a computer having a program comprising:
a first step of using at least hyoid bone, sella S, gonion Go and menton Me which are detected from an image displayed on a display connected with a computer which is taken by lateral head and neck radiography of a subject and input into the computer, displaying a center of a body or an outline of the whole of the body of the detected hyoid bone, an extended line of the segment S-Go from Me and a perpendicular drawn toward the extended line of the segment S-Go from Me, which are obtained by the computer, on the display, wherein a first triangle formed by the extended line of the segment S-Go, the perpendicular drawn toward the extended line of the segment S-Go from Me and the segment Go-Me obtained by the computer is displayed on the display; a second step of deciding whether the center of the body or the whole of the body of the detected hyoid bone is included in an area above the perpendicular drawn toward the extended line of the segment S-Go from Me or not, wherein it is decided whether the center of the body or the whole of the body of the detected hyoid bone is included in the inside of the first triangle or not; a third step of deciding that when the center of the body or the whole of the body of the hyoid bone is included in the area above the perpendicular drawn toward the extended line of the segment S-Go from Me, there is no risk of obstructive sleep apnea syndrome, and when the center of the body or the whole of the body of the hyoid bone is included in an area below the perpendicular drawn toward the extended line of the segment S-Go from Me, there is the risk of obstructive sleep apnea syndrome, wherein it is decided that when the center of the body or the whole of the body of the hyoid bone is included in the inside of the first triangle, there is no risk of obstructive sleep apnea syndrome, and when the center of the body or the whole of the body of the hyoid bone is not included in the first triangle, there is the risk of obstructive sleep apnea syndrome; and a fourth step of outputting a result of decision of the third step.