若年高血圧者の眼底情報に関する研究

第1報眼底所見の出現率について

抄録

Ophthalmofundoscopic examinations were conducted on 262 young hypertensive people living in a rural district of Akita Prefecture. The district is noted for its high incidence of cerebral apoplexy among the populace.
Young hypertensives are defined as those who are 39 years old and younger, and whose blood pressure levels exceed 160 mgHg/95 mgHg.
The narrowing of retinal arterioles was observed in the highest 31.7% of the examinees. It was followed by calibreirregularity, arteriolar-venular crossing defects and increases in the arteriolar light reflex.
The occurrence ratio of over Scheie H₂ and/or S₂ was 42.4%. The occurrence ratio of over Scheie H₂ was significantly higher than that of over Scheie S₂.
In a nutshell, hypertensive changes such as retinal arteriolar narrowing were high in occurrence, but sclerotic changes took place less frequently, and retinopathy scarecely occured in the eyeground among young hypertensives.