目的:研究大豆異黃酮對D半乳糖致衰老大鼠抗氧化能力的影響。方法:用D半乳糖注射Wistar雄性大鼠5個月,建立衰老模型。對致衰老模型組、大豆異黃酮組肝臟、心臟和前列腺丙二醛(MDA)含量、超氧化物歧化酶(SOD)、谷胱甘肽過氧化酶(GSHPx)活性進行測定及比較。結果:低、中、高不同劑量大豆異黃酮灌喂組與模型組大鼠相比,各臟器MDA含量(μmol/L)(心臟:695±093,562±112,435±112比802±111;肝臟:815±085,647±120,515±112比935±135;前列腺:715±092,558±115,423±125比833±124)均有降低,差異有統計學意義(Plt;005),而SOD酶活性(nmol/L)(心臟:4732±308,5518±428,6120±368比3225±370;肝臟:18121±506,19015±706,19720±570比17213±512;前列腺:4156±301,4607±421,5015±335比3374±305)和GSHPx酶活性(nmol/L)(心臟:905±096,1111±245,1313±146比713±151;肝臟:902±105,1150±223,1362±192比698±160;前列腺:435±085,613±102,747±155比312±106)有升高,差異同樣具有統計學意義(Plt;005);大豆異黃酮攝入量越高,MDA含量越低,而SOD、GSHPx酶活性越高。結論:攝入適量大豆異黃酮可有效增強大鼠機體抗氧化能力,從而延緩D半乳糖誘發的大鼠衰老。
目的：探討高血壓合并阻塞性睡眠呼吸暫停綜合征（OSAS）患者血漿5-羥色胺（5-HT）水平的變化。方法：應用放射免疫法測定45例高血壓合并阻塞性睡眠呼吸暫停綜合征患者血清5-HT濃度。結果：高血壓合并阻塞性睡眠呼吸暫停綜合癥患者與單純高血壓不合并OSAS的患者相比，血壓控制較差，而血漿5-HT水平明顯增高（P＜0.05），輕、中、重度阻塞性睡眠呼吸暫停綜合征患者血漿5-HT水平之間相比較有差異（P＜0.05）。結論：5-HT水平可能與血壓控制和阻塞性睡眠呼吸暫停綜合征的發病有關。
Objective To discuss the curative effect of expanding ulnar nerve groove and interfascicular neurolysis under microscope in treating severe cubital tunnel syndrome (Cub Ts), and to compare with that of the forward moving of ulnar nerve and interfascicular neurolysis under microscope to find out the best way to treat severe Cub Ts. Methods From December 2002 to January 2007, 22 severe Cub Ts cases were treated with expansion of ulnar nerve groove and interfascicular neurolysis under microscope (treatment group), and other 22 cases were treated with forward moving of ulnar nerve and interfascicular neurolysis under microscope (control group). In treatment group, there were 17 males and 5 females, aged 21-66 years (mean 43.8 years). Pathogenic causes were elbow arthritis in 17 cases, ulnar nerve dislocation in 3 cases and elbow ectroption in 2 cases. The locations were left elbow in 8 cases and right elbow in 14 cases. Thecourse of disease was 6-69 months. In control group, there were 18 males and 4 females, aged 20-64 years (mean 42.1 years). Pathogenic causes were elbow in arthritis 16 cases, ulnar nerve dislocation in 3 cases, elbow ectroption in 1 case and narrowing and shallowing of ulnar nerve groove caused by abnormal heal ing of medial condyle fracture in 1 case. The locations were left elbow in 7 cases and right elbow in 15 cases. The course of disease was 5-67 months. Results For all patients of both groups, the wound healed by first intention, and all were followed up for 12-45 months. In treatment group, the numbness in l ittle finger was obviously rel ieved, or disappeared in 22 cases 1 day after operation. In control group, the numbness in l ittle finger was obviously rel ieved or disappeared in 22 cases 3-5 days after operation. EMG showed that conduction speed of ulnar nerve was normal. Evaluated by upper l imbs function standard of China Medical Association, Surgery Association and Lascar grades, the results were excellent in 21 cases and good in 1 case in treatment group; whilet excellent in 19 cases, good in 2 cases and fair in 1 case in control group. There was significant difference between treatment group and control group (P lt; 0.01). Conclusion Either expansion of ulnar nerve groove and interfascicular neurolysis or forward moving of ulnar nerve and interfascicular neurolysis is an effective method to treat severe Cub Ts, but the former is better than the latter.