He—Ne激光治疗声带小结的机理研究

我院应用He－Ne激光治疗551例声带小结，取得较好疗效。为研究作用机理，我们进行了免疫功能测定、测温试验、He－Ne激光照射前后的间接喉镜检查、显微结构研究、抑菌试验和过氧化脂质测定。结果提示He－Ne激光照射治疗声带小结的机理为照射后喉部温度升高、血管扩张、血循环加快，从而增强局部营养，促进喉部粘膜生长、消除组织水肿，加速炎性渗出物和毒素的排泄。而He－Ne激光本身没有杀菌和抑菌作用。     

33例肝占位性病变MRI误诊的分析

我院１９８８年以来４０００余例腹部ＭＲＩ中，发现肝占位性病变误诊３３例。所用机型为美国Ｄｉｓｏｎｉｃｓ公司０．５Ｔ超导ＭＲＩ，自旋回波序列（ＳＥ序列）、常规Ｔ１加权（Ｔ１ＷＩ）、质子加权（ＰＤＷＩ）、Ｔ２加权（Ｔ２ＷＩ），覆盖全肝。其中，ＰＨＣ误诊为ＭＨＣ５例、ＭＨＣ误诊为ＰＨＣ６例、ＰＨＣ误为ＨＨＥ５例、ＭＨＣ误诊为ＨＨＥ２例、ＨＨＥ误诊为ＰＨＣ６例、肝硬化结节误诊为ＰＨＣ２例、炎性假瘤误诊为ＰＨＣ３例、肝结核误诊为ＰＨＣ１例、ＨＣＹ误诊为ＨＨＥ３例。本文从病变的影像学特征和扫描技术方面详细探讨了误诊的原因和鉴别诊断要点。     

雷公藤挥发油对小鼠免疫功能的影响

观察雷公藤挥发油对小鼠免疫功能的影响,发现给药1周后,其可减少脾脏有核细胞数,减少 PFC 和 RFC 数目,抑制脾细胞对 ConA 诱导 T 细胞增殖的反应性,减轻DTH。这说明雷公藤挥发油对小鼠体液免疫和细胞免疫均有明显的抑制作用。     

冠心病、高脂血症和低高密度脂蛋白血症患者载脂蛋白Al基因的多态性

本实验用分析基因限制性内切酶片段长度多态性(Restriction fragment length olymorphisms,RFLPs)技术,检测到中国人载脂蛋白AI(Apolipoprotein AI。Apo AI)基因3′端存一PstI多态位点,并发现该多态位点与低高密度脂蛋白(HDL)血症及冠心病有较密切的关系。     

锁骨下动脉狭窄或闭锁的治疗

用经皮经腔动脉成形术（ＰＴＡ）治疗锁骨下动脉狭窄或闭锁２４例，用血管旁路术治疗１４例。结果：２种治疗方法的近期通畅率相似，２年通畅率分别为６６．７％和７２．７％。提示：ＰＴＡ和血管旁路术均是治疗锁骨下动脉狭窄或闭锁的有效方法     

1999年至2001年贫困县农村居民主要死因及潜在减寿年数调查

目的：调查贫困县农村居民主要的死亡原因及潜在减寿年数(potential years of life lost，PYLL)。方法：采用整群抽样的方法抽取河南省睢县后台乡、尚屯乡和城隍乡，对其3a来死亡居民的情况进行回顾性调查。运用全死因和PYLL分析方法对死亡资料进行分析。结果：引起当地居民寿命损失的主要疾病为恶性肿瘤、脑血管病、呼吸系病、心脏病及损伤和中毒。其中损伤和中毒占死因构成的9．99％，占总PYLL的22．77％，恶性肿瘤、脑血管病、心脏病和呼吸系病这几种主要的慢性病的死亡率累积构成为65．07％，PYLL累计构成为36．95％。结论：以恶性肿瘤为主的慢性非传染性疾病成为当前贫困地区疾病控制工作的重点，损伤与中毒成为重要的公共卫生问题。     

Pharmacokinetic and pharmacodynamic studies with mitoxantrone in the treatment of patients with nasopharyngeal carcinoma.

The pharmacokinetics and pharmacodynamics of mitoxantrone were studied in 15 patients with advanced nasopharyngeal carcinoma (NPC) after single intravenous rapid infusion (12 to 14 mg/m2). Mitoxantrone plasma concentrations and urinary excretion were measured specifically with the use of a high-performance liquid chromatographic method with ultraviolet detection at 242 and 658 nm. The pharmacokinetic parameters are described adequately by a three-compartment model with a terminal half-life of 71.5 +/- 40.1 hours and a volume of distribution of 5037 +/- 2377 l. The total plasma clearance was 743 +/- 462 ml/minute, and the renal clearance was 18.8 +/- 8.49 ml/minute. Within 72 hours, 1.8 +/- 0.6% of the administration dose was excreted in urine as mitoxantrone parent compound. From the urinary excretion rate data, glomerular filtration and possible tubular reabsorption were the mechanisms involved in the urinary excretion of mitoxantrone. The values for unbound fraction (%) in plasma at time 0 and 5 minutes were 2.88 +/- 0.91% and 3.25 +/- 1.19%, with an average of 3.04 +/- 1.01%. The degree of protein binding of mitoxantrone was not affected by concentration (P greater than 0.05) in Chinese patients with NPC. The response rate for mitoxantrone was poor in this study. Clinical studies have demonstrated that mitoxantrone was generally well tolerated. Only very low incidences of nausea, vomiting, and alopecia were observed. The mild and rapidly reversible dose-limiting hematologic toxic effects have proven leukopenia. Although the toxicities reported here were tolerated for most patients, other combination regimens including mitoxantrone or other administration routes may be considered and need to be evaluated carefully.     

胰腺完全性横断伤的诊断与治疗：附23例报告

作者总结３０多年以来，收治胰腺完全性横断伤共２３例，均经急诊手术治疗并证实。术前有１８例误诊为腹部其他脏器损伤，仅有５例术前拟诊为胰腺损伤。２３例中２２例治愈，１例因并发胰腺脓肿，于术后４９天死于败血症。作者认为：术后应用生长抑素，可减少术后胰瘘、胰腺炎、胰腺坏死等并发症的发生。     

Mutations in the androgen receptor gene of seven Chinese patients with complete androgen insensitivity syndromes

Androgenplaysanimportantroleinthenormaldevelopmentofmalephenotypeandtheregulationofvirilization.Theseactionsofandrogenaremediatedbytheintracellularandrogenreceptor(AR)containingN--terminal,DNAuandsteroidbindingdomains.MutationsintheARgenecancausevariousdegreesofandrogenInsensitivitysyndromes(AlS)inpatientswith46,XYkaryotype.ThephenotypeofpatientswithAlSrangesfromcompletefemaleexternalgenitalia(completeAlS,CAIS)overgenitalambiguity(partialAlS,PAlS)totheinfertilewithnormalmaleornearlys…     

头孢克洛在健康人体内的药物动力学研究

采用ＨＰＬＣ测定健康志愿者血浆中头孢克洛的浓度。方法简便快速，结果准确。平均回收率为１０２．１８±４．０１％，日间及日内ＲＳＤ均小于６％。血药浓度－时间曲线符合一室模型。