LAK/IL-2联合应用治疗晚期肺癌的临床研究

选择４６例晚期肺癌患者应用ＬＡＫ／ＩＬ－２疗法观察患者近期临床改善情况及治疗前后其免疫指标的变化情况。选择胎儿胸腺淋巴组织作前体细胞，体外用重组ＩＬ－２诱导制备ＬＡＫ细胞，每输３次ＬＡＫ细胞为１疗程，每次输入细胞数为０５×１０９，化疗以采用丝裂霉素、长春新碱、顺铂或卡铂、鬼臼乙叉甙为主的方案，治疗结果：本组患者治疗有效率（ＣＲ＋ＰＲ）达７０％，同时患者免疫指标好转。本研究提示ＬＡＫ／ＩＬ－２联合疗法临床近期疗效较满意，同时可显著改善机体免疫功能，是晚期肺癌患者一种可行的有效方法     

Pregnancy: Oral misoprostol versus placebo for cervical dilatation before vacuum aspiration in first trimester pregnancy

Intravaginal misoprostol has been shown to be effective forcervical priming before a surgically induced abortion. The objectivewas to investigate the effectiveness of oral misoprostol incervical dilatation prior to vacuum aspiration between the 6thand 12th weeks of pregnancy. The results showed that in nulliparouspatients, the median cervical dilatation in the treatment group(7.8 mm) was significantly greater than that in the placebogroup (3.7 mm). In multiparous patients, the difference wasalso statistically significant (9.8 versus 6.0 mm). The easeof dilatation, assessed subjectively by the operating surgeons,was significantly improved in the treatment group. There wasalso a significant reduction in the duration of the operationand in the mean blood loss in the treatment group. The side-effectsencountered in the treatment group were mild and well acceptedby the women. Oral misoprostol is an effective and safe methodfor cervical dilatation prior to vacuum aspiration in firsttrimester pregnancy.     

The use of locally-delivered chlorhexidine in the treatment of periodontitis. Clinical results*

Abstract. Since the advent of a nondegradable controlled local delivery of antibiotics in 1979, several second generation systems have been developed. Second generation systems have attempted to improve on the early system. Chlorhexidine has been used effectively for over 30 years as an antiseptic. In the early 1970s, chlorhexidine gluconate was incorporated at 0.2% into mouthrinses in Europe and in 1986 it was incorporated at 0.12%, in a mouthrinse in the United States. Since these mouthrinses were effective in reducing the supragingival flora, had a high safety margin, and had no reported bacterial resistance, chlorhexidine offered a therapeutic advantage for a local delivery system. This system was developed and studied. This report will discuss this new biodegradable system containing chlorhexidine gluconate as the active agent (PerioChip^®). Parmacokinetics of the system and a review of the multicenter studies in Europe and the United States are discussed. In these randomized clinical trials the chlorhexidine chip has been shown to enhance the effects of scaling and root planing. Chlorhexidine chip in conjunction with scaling and root planing, when compared to scaling and root planing alone, has shown significant improvement in probing pocket depth reduction, probing attachment level and bleeding on probing. This delivery system, in combination with scaling and root planing, has also resulted in significantly more probing depth reductions of 2 mm or more. The system is safe and efficacious. Placement of the chip is usually done in less than 1 min, it requires no retention system, biodegrades, and does not require a follow-up dental appointment.     

Immunology: Diversity of the blocking effects of antisperm antibodies on fertilization in human and mouse

The blocking effects of complement-dependent sperm immobilizingantibodies in the sera of infertile women and monoclonal antispermantibodies against humans and mice on fertilization were investigated.The hemizona assay (HZA) and sperm penetration assay (SPA) wereused to study the inhibitory effects of sera from 22 infertilepatients positive for sperm immobilizing antibodies. Use ofthese tests allowed us to differentiate whether the antibodyblocked sperm—zona pellucida tight binding and/or spermpenetration into the ooplasm. The zona pellucida penetrationassay (ZPA) was also used to study the effects of four monoclonalantibodies (mAbs) on human sperm penetration into the zona pellucida.Seven mAbs against murine spermatozoa were tested for theirinhibitory effects on in-vitro fertilization (IVF) and HZA inmice. Of 22 patient sera with sperm immobilizing antibodies,21 (95.5%) inhibited HZA attachment and penetration, whereasthis did not occur in any of 13 patient sera without these antibodies.However, 19 of 22 (86.4%) patient sera with sperm immobilizingantibodies and eight of 13 (61.5%) patient sera without theseantibodies inhibited the SPA. Two (2C6, 1G12) of four mAbs againsthuman spermatozoa showed strong inhibitory effects in all theassays (HZA, ZPA and SPA). One mAb (3B10) did not inhibit HZAbut blocked ZPA and SPA. Another mAb (H6-3C4) seemed to haveno inhibitory effects on fertilization. Two (Vx 5 and Vx 8)of seven mAbs against murine spermatozoa inhibited IVF in micebut did not block mouse HZA. These findings suggest that antispermantibodies block fertilization at specific stages. Some of themmay inhibit sperm capacitation and thus prevent all processesof fertilization that follow. Some other antibodies may notaffect capacitation and sperm binding to zona pellucida butinhibit the acrosome reaction, followed by the blocking of spermpenetration through zona pellucida and ooplasm.     

Hepatocellular carcinoma: Efficacy of transcatheter oily chemoembolization in relation to macroscopic and microscopic patterns of tumor growth among 100 patients with partial hepatectomy

Purpose: To evaluate the efficacy of transcatheter oily chemoembolization (TOCE) for hepatoceliular carcinoma (HCC) on the basis of microscopic and macroscopic findings postembolization. Methods: HCCs ranging in size from 0.5 to 13 cm (mean 3.6 cm) were obtained from partial hepatectomies of 100 consecutive patients who had undergone TOCE between 20 and 246 days (mean 59.5 days) prior to surgery. The efficacy of TOCE was assessed on the basis of the necrotic to live cell ratio of the tumors. The microscopic pattern of tumor growth was grouped into expanding type (complete capsule formation) and replacing type (incomplete or no capsule). There were five types of macroscopic groupings: single nodule, single nodule with extranodular growth (SNE), contiguous and noncontiguous multinodular, and massive growth type. Results: Among 79 cases with the expanding type, 29 (37%) had 100% HCC necrosis, but none with 100% necrosis were in the replacing type. By macroscopic grouping, the efficacy of TOCE decreased from the single nodule type (50% of patients had 100% necrosis) to the SNE type (21%), and the other types (9%).     

活血祛风法治疗慢性活动性乙型肝炎临床观察

用活血祛风法治疗反复发作的慢性活动性乙型肝炎７０例，总有效为９５．７％，对照组６５例健脾清热利湿法治疗，总有效率为７８。５％（Ｐ＜０．０５）．治疗组抗ＬＳＰ，ＬＭＡ，抗核抗体，类风湿因子阴转率，ＨＢｅＡｇ，抗ＨＢｃＩｇＭ，ＨＢＶ－ＤＮＡ阴转率，抗ＨＢｅ阳转率均优于对照组（Ｐ＜０．００１）。     

超声导向肝组织微波固化的实验研究

目的：探讨不同穿刺方案形成的肝组织微波凝固区的大小、形态，为临床治疗，特别是大肝癌的治疗，提供实践基础。方法：利用离体新鲜牛肝，比较ＵＭＣ－Ｉ型微波仪单针、两针及多针组合所形成凝固区的大小、形态。结果：单针穿刺可形成３．０ｃｍ×４．０ｃｍ头宽尾窄的滴水状凝固区。两针组合，距离在２．５～３．０ｃｍ之间造成的完全凝固区最大。不同穿刺方案，可形成８ｃｍ以下不同直径的球形凝固区。结论：适当的穿刺方案可使８ｃｍ以下的球形区域完全凝固     

Spontaneous ovarian hyperstimulation mimicking an ovarian tumour

Ovarian hyperstimulation syndrome in a spontaneous singletonpregnancy is exceedingly rare. We report a case of ovarian hyperstimulationpresenting as bilateral ovarian masses in association with spontaneouspregnancy, occurring in a woman with disturbed liver function.A possible mechanism is discussed.     

鼠脾细胞肿瘤坏死因子的诱生和检测

本文报道采用Ｅ．ｃｏｌｉ ＬＰＳ刺激ＡＬＢ／Ｃ小鼠脾细胞诱生ＴＮＦ的最适条件，并用人ＴＮＦ ＥＬＩＳＡ方法检测小鼠ＴＮＦ。结果显示：脾细胞经ＬＰＳ刺激２ｈ就可在上清液中测出ＴＮＦ，１２ｈ达高峰，ＬＰＳ最适刺激浓度为１０＾－２μｇ／ｍｌ，ＴＮＦ产量依赖于脾细胞的浓度。     

双侧唇裂术后的唇部继发畸形

本文报告了35例双侧唇裂术后唇部继发畸形。这些畸形主要包括唇红缘不整齐、上唇中份厚度不足以及上唇过紧。Z 字成形、V-Y 推进和 Abbe 瓣法常用于矫正这类继发畸形。