Abstract Ninety-two lower limbs in 64 patients including primary deep venous in competence (PDVI) and simple varicose veins (SVV) were examined by photoplethysmography (PPG) in the assessment of venous refill time (VRT).

• 作者用光电容积描记（PPG）方法测定原发性深静脉瓣膜功能不全和单纯性大隐静脉曲张共64例92条病肢的静脉再充盈时间（VRT）。