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采用荧光法检测了５２例肺结核病人及１１例健康成人血清维生素Ａ含量，肺结核病人中有４１例服用了维生素Ａ制剂，１１例未服用。结果表明，未服用维生素Ａ制剂的肺结核病人血清维生素Ａ水平与健康人相比，差异无显著性，服药１５～３０ｄ者与未服药者相比无明显升高。服药３１～６０ｄ者较未服药者明显升高，服药多于６０ｄ者超过正常值百分率与服药３０ｄ以内者相比明显升高，差异均有显著性（Ｐ均＜０．０５）。超过正常上限值者，停药１个月后８５％的病人降到了正常范围，且无１例出现维生素Ａ低水平。提示肺结核病人体内维生素Ａ并不缺乏。倘若作为抗结核的辅助治疗给予补充，时间不应过长，剂量不应过大。
The serum levels of vitamin A in 52 cases of pulmonary tuberculosis and 11 cases of healthy adults were detected by fluorescence method. 41 cases of tuberculosis patients took vitamin A preparations and 11 cases did not take it. The results showed that there was no significant difference in serum vitamin A level in patients with tuberculosis who did not take vitamin A preparations compared with those in healthy people. The percentage of patients who took medicine for more than 60 days was significantly higher than those who took medicine within 30 days after taking medicine. The difference was significant (all P <0.05). More than the normal upper limit of 85% of patients after stopping 1 month fell to the normal range, and no one case of vitamin A low level. Tip tuberculosis patients with vitamin A is not lacking. If supplemented as adjuvant anti-TB treatment, time should not be too long, the dose should not be too large.