本態性高血圧症におけるVaquezの中間血圧値と平均血圧計算値の対比

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  • ホンタイセイ コウケツアツショウ ニ オケル Vaquez ノ チュウカン ケツアツチ ト ヘイキン ケツアツ ケイサンチ ノ タイヒ
  • The Comparative Studies on Vaquez' Middle Pressure (Pression moyenne) and Mean Arterial Pressure, Estimated in Essential Hypertension
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  • Original Article

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The middle pressure (pression moyenne) in vaquez' sense (V. M. P.) were measured in 66 cases suffered from essential hypertension, then orthostatic-, cold pressor-tests and influence of depressant drugs, especially Rs or C_5 upon two sorts of tests were investigated. 1) 10 patients with "Hypertension moyenne isole" in Gomez' sense were found among 916 cases with hypertension. 2) V. M. P., Diastolic Pressure (D. P.)+1/3 Pulse Pressure (P. P.) and D. P.+1/2 P. P. did not show any marked characteristics as to the age and the grading of Keith-Wagener's classification. 3) Existence of plateau or dome on the curves, as well as of arrhythmia makes sometimes difficulties to measure V. M. P. 4) In the resting state, D. P.+1/3 P. P. is estimated more approximately to V. M. P. than D. P.+1/2 P. P. 5) This approximation of D. P.+1/3 P. P. to V. M. P. can be also observed in orthostatic tests before and after the administration of depressant drugs, i. e. Rs or C_5. 6) The mode of the decrease in V. M. P. found in orthostatic test sometimes differs from that in S. P. or D. P.; the former often varies independently from the latter. This tendency can be also recognized in orthostatic test after the use of C_5 or Rs. 7) The approximation of D. P. + 1/3 P. P. to V. M. P. is observed during cold pressor test, which is performed not only at lying or standing but also before and after the administration of depressant drugs, :i. e. C_5 or Rs.

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