尿道閉鎖圧の研究

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概要

• 論文の詳細を見る

• This study is concerned chiefly with the description of a new instrument which permits study of the resting and voluntary tonus of the sphincter. I have called the instrument as the air-sphincterometer. A large number of random patients have been examined, and among the findings obtained the following have clinical import: When intravesical pressure is low (bladder content 0 ml), 1) The range of resting tonus in the male was 59.2-63.21 mm.Hg. and in the female the corresponding figures are 57.41-63.65 mm.Hg. Tonus of the sphincter by voluntary contraction is more vigorous in the male than in the female. The range for males were 78.25-82.13 mm.Hg. and for females 69.07-72.69 mm.Hg. 2) Patients with enuresis showed lower range than the normals. The range of resting tonus in the male were 51.74-58.66 mm.Hg. and in the female the corresponding figures were 48.90-53.90 mm.Hg. 3) Only one of 3 females with varying degrees of dysuria, showed extremely high voluntary tonus of the sphincter. 4) After retropubic prostatectomy for prostatic hypertrophy, the resting tonus of the sphincter drops slightly. 5) During spinal anesthesia in 4 males and 6 females, the resting tonus dropped to about one half of the pre-anesthetic level. 6) During general anesthesia in 3 male patients, the resting tonus dropped to about one half of the pre-anesthetic level. 7) Within a few minutes after death in the male, the resting tonus fell to an average of 30 mm.Hg. When intravesical pressure is highly elevated (bladder content 400 ml), 1) The range of the resting tonus in the male were 66.06-73.30 mm.Hg. and in the female, the corresponding figures were 62.29-69.13 mm.Hg. During voluntary contraction of the sphincter in males were 78.47-83.27 mm.Hgl and the tonus randed between 66.85-7J9.41 mm.Hg. in females. 2) In patients with enuresis, the tonus were lower than the normal. The range of the resting tonus in male were 50.65-56.51 mm.Hg. and in the females, the corresponding figures were 47.31-51.11 mm.Hg.

• 社団法人日本泌尿器科学会の論文

著者

• 山本 泰秀

  慶應義塾大学泌尿器科関連前立腺癌研究会

• 山本 泰秀

  慶応義塾大学医学部泌尿器科学教室

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