血府逐瘀丸治疗老年2型糖尿病伴失眠的临床疗效及其对认知功能的影响

目的:探究血府逐瘀丸治疗老年2型糖尿病伴失眠患者的临床疗效及其对认知功能影响。方法:选取43例我院收治的老年2型糖尿病伴失眠患者,将其随机分为实验组及对照组。对照组21例予地西泮治疗,实验组22予血府逐瘀丸治疗。观察两组治疗前后失眠症状及认知功能的变化情况。结果:治疗后,实验组总有效率(86.4%)高于对照组(61.9%),其差异经比较有统计学意义(P0.05);两组匹兹堡睡眠质量指数量表(PSQI)评分均较治疗前显著降低(P0.05),与对照组相比,实验组PSQI评分较低(P0.05),空腹血糖水平较低(P0.05),蒙特利尔认知评估量表(MoCA)评分较高(P0.05)。结论:血府逐瘀丸可有效降低老年2型糖尿病伴失眠患者的血糖水平,提升睡眠质量,改善失眠及认知功能障碍。     

改良曲张静脉点式剥除术治疗中老年下肢静脉曲张的临床疗效

目的:探究改良曲张静脉点式剥除术在治疗中老年下肢静脉曲张的临床疗效。方法:收集我院已确诊为下肢静脉曲张的中老年患者37例,分成实验组与对照组。对照组18例行传统曲张静脉点式剥除术,实验组19例行改良曲张静脉点式剥除术。对比两组患者手术后的下肢静脉曲张的治疗效果。结果:实验组有效率(94.7%)显著高于对照组(72.2%),差异具有统计学意义(P0.05);与对照组相比,实验组患者手术时间较短、术中出血量较少、下床活动时间较早,术后并发症总治愈率较高,复发率、术后并发症发生率较低,其差异均有统计学意义(P0.05)。结论:采用改良曲张静脉点式剥除术治疗中老年下肢静脉曲张的患者能够更彻底的剥除曲张额静脉,有效的改善患肢症状,明显降低复发率。     

社区老年人慢性肾脏病患病率调查及其危险因素分析

目的:调查北京市通州区永顺社区老年人的慢性肾脏病(CKD)患病率,并分析其危险因素。方法:采用横断面调查方法,对该社区长期居住的65岁及以上的通州区户籍老年人进行问卷调查、肾脏损伤指标及其他实验室指标的检测,收集资料并分析CKD患病的危险因素。结果:本次调查共获得948例该社区常住老年人的完整资料,参与研究的老年人平均年龄为70.86±4.89岁;镜下血尿患病率为9.39%,白蛋白尿患病率为22.15%,5.70%的老年人出现肾功能下降,该人群中CKD患病率为36.81%(349/948)。单因素分析结果显示,两组吸烟史、饮酒史、血肌酐、体质量指数(BMI)、尿微量白蛋白肌酐比(ACR)、糖尿病、甘油三酯、总胆固醇及血尿酸水平对比无显著性差异(P0.05),而CKD组较非CKD组年龄更大、合并高血压的比例更高、女性占比更高(P0.05),多因素logistic回归分析显示年龄、女性与高血压是通州区永顺社区老年人CKD患病的危险因素(OR=1.432、1.163、1.335,P0.05)。结论:北京市通州区永顺社区老年人CKD患病率较高,其危险因素为年龄、女性与高血压。     

肥厚型心肌病患者认知功能障碍的发生及影响因素分析

目的:探讨肥厚型心肌病(HCM)患者认知功能障碍的发生及影响因素。方法:收集2018年4月至2019年7月期间空军军医大学第一附属医院超声医学科HCM患者198例。综合北京版蒙特利尔认知评估(MoCA)量表结果及教育程度,判断患者认知功能:文盲且MoCA得分14分、1年≤教育年限≤6年且MoCA得分20分、或教育年限6年且MoCA得分25分为认知功能障碍组(n=37),其余为认知功能正常组(n=161)。比较两组患者一般资料、超声心动图检查结果及认知功能评估结果。采用多因素logistic回归分析筛选HCM患者认知功能障碍的可能危险因素。结果:HCM患者认知功能障碍的发生率为18.7%(37/198)。与认知功能正常组相比,认知功能障碍组HCM患者年龄较大(P0.05),受教育年限较短(P0.05),心功能分级及左心室舒张功能较差(P0.05),激发左心室流出道压差较高(P0.05)。认知功能障碍组HCM患者MoCA得分较低(P0.05),尤其在视空间与执行功能和延迟回忆(P0.05)两项上得分较差。多因素logistic回归分析结果表明,调整年龄(OR=14.435, 95%CI:4.476-46.550; P0.001)和教育年限(OR=5.274, 95%CI:2.024-13.744; P=0.001)后,激发左心室流出道压差(OR=3.844, 95%CI:1.551-9.524; P=0.004)是HCM患者认知功能障碍的独立危险因素。结论:激发左心室流出道压差可以增加HCM患者认知功能障碍的发生风险。     

社区高血压规范化管理研究

目的:探讨社区高血压规范化管理应用价值,总结高血压社区综合干预经验。方法:选取A、B两社区高血压180例作为管理观察对象,以同社区高血压患者180例为管理后对象,对比管理前后相关指标。结果:管理后知晓率、治疗率、控制率分别为100.00%、98.33%、91.67%优于管理前98.33%、91.11%、50.00%,管理后女性指标高于管理前女性,管理后6~9个月三项指标优于管理前,管理后发生不良事件8例次优于管理前18例次,差异具有统计学意义(P<0.05)。结论:于社区建立高血压危险分级电子病历,开展信息管理,给予社区卫生服务干预,可有效提高干预率,抑制不良事件发生,改善患者结局。     

合肥市瑶海区社区女性居民对HPV及其疫苗的认知情况调查和疫苗接种意愿的影响因素分析

目的：调查合肥市瑶海区社区女性居民对人乳头瘤病毒（HPV）及其疫苗的认知情况,并分析疫苗接种意愿的影响因素。方法：采用多阶段随机抽样法于2021年3月～2023年1月期间在合肥市瑶海区抽取6个社区开展调查。采用自行涉及的调查问卷调查合肥市瑶海区社区女性居民对HPV及其疫苗的认知情况,采用多因素Logistic回归模型分析疫苗接种意愿的影响因素。结果：本次调查共发放问卷1124份,收回问卷1118份,问卷有效率为99.47%。调查的1118例合肥市瑶海区社区女性居民中,对"HPV阳性不一定患有宫颈癌"的知晓率较高,为75.04%。而对"各类HPV疫苗的适宜接种年龄"的知晓率较低,为4.20%。1118调查者中,804人（71.91%）表示愿意接种HPV疫苗,314人（28.09%）表示不愿意接种HPV疫苗,按照是否愿意接种将调查人员分为愿意组（n=804）和不愿意组（n=314）。HPV疫苗接种意愿与年龄、家庭人均月收入、教育水平、婚育状况、性生活史、知晓HPV疫苗、疫苗供应不足、育有子女、有亲友患肿瘤有关（P<0.05）,而与职业、居住地无关（P>0.05）。多因素Logi...     

中老年女性居民骨密度与膳食模式的关联分析

目的：探讨社区中老年女性居民骨密度与不同膳食模式的关系,为骨质疏松症的营养指导提供科学依据。方法：纳入乌鲁木齐市社区45岁及以上女性居民566人,采用超声骨密度仪检测及问卷调查获得骨密度及膳食摄入情况,通过因子分析法提取膳食模式,分析膳食模式与中老年女性骨密度的关系。结果：本次调查中老年女性人群骨质疏松症患病率16.8%;共获得5种膳食模式：副食品模式,油盐模式,薯类及蔬菜模式,水产类及豆类膳食模式和主食模式;其中高水平水产类及豆类膳食模式人群较低水平该模式人群的骨密度T值高（t=-1.905,P=0.043）。结论：高水产与豆类的膳食模式摄入是骨质疏松症的保护因素;建议中老年女性居民应合理膳食,多摄入水产及豆类食物,促进骨健康。     

甲状腺功能减退症患者心理健康状况及影响因素分析

目的:研究甲状腺功能减退症患者的心理健康状况及其影响因素,为预防、改善甲减患者心理健康状况提供参考依据。方法:选取2014年1月-2016年1月来我院治疗的226例甲减患者作为甲减组,另从杨浦区多个社区随机抽取同期254例健康者作为健康组,采用SCL-90症状自评量表、社会支持评定量表(SSRS)及一般情况调查问卷对两组研究对象进行调查,采用Logistic回归分析甲减患者的影响因素。结果:两组性别、年龄及职业之间的差异无统计学意义(P0.05),而文化程度、经济收入的差异具有统计学意义(P0.05);甲减组患者强迫症状、抑郁、焦虑、精神病性评分及总分均高于健康组(P0.05);甲减组患者中焦虑、抑郁、人际关系敏感所占比重较高,分别为30.97%,26.11%,26.11%;与健康组相比,甲减组患者SSRS评分中主观支持、客观支持、支持利用度评分及总分均明显降低(P0.05);多因素Logistic回归分析显示社会支持、文化程度为小学、经济收入30000元/年是甲减患者心理健康的影响因素(P0.05)。结论:甲减患者心理状况较差,存在较严重的焦虑和抑郁情况,在治疗同时应注意健康教育和心理关怀,尤其是对收入低、文化程度低或社会支持程度低的患者,应给予及时的心理治疗,可提高患者的生活质量。     

四川省南充市高坪区居民高血压现状调查

目的:了解四川省南充市高坪区居民患高血压病现状、居民对高血压知识认知程度、高血压的诱因、高血压并发症情况,为高血压防治提供依据。方法:采用统一测量120位居民血压情况,并进行相关知识问卷调查的方法,然后对调查结果进行统计分析。结果:调查人群中血压值在高血压患病值45.83%,其中,已知晓患有高血压的占有25.00%,由于调查的人群年龄段和文化教育程度的不同,对高血压相关知识的认知程度及治疗也不同。结论:本地区部分居民高血压偏高,并且对高血压防治的认知程度较低,为增进居民对高血压的了解需普及增强居民的保健意识,教会他们做好这类慢性病的预防工作。     

医院保洁人员医疗废物管理认知水平的调查与分析

目的 通过对培训前后保洁员医疗废物管理认知水平的调查,了解培训所产生的效果,为加强医疗废物管理提拱依据。方法 对6家医院402名保洁人员进行培训前后2次问卷调查。结果 （1）培训后保洁人员对医疗废物管理认知水平有了明显的提高,培训起到明显的效果,差异有统计学意义。（2）培训后保洁人员发生利器刺伤事件明显下降,由培训前的98.51%降至76.87%,差异有统计学意义（χ²=87.19,P＜0.05）;能正确处理皮肤伤口人员由培训前23.38%增加到70.40%,差异有统计学意义（χ²=225.59,P＜0.05）。（3）培训后对医疗废物管理现状评价为“好”的增加到39.30%,“差”的降至10.70%,差异有统计学意义（χ²=69.05,P＜0.05）。结论 经培训后保洁人员对医疗废物管理认知水平明显提高。     

New amino-dithiaphospholanes and phosphoramidodithioites and their rhodium and iridium complexes

New sulfur derivatives of phosphoramidite ligands were synthesized and the impact of the sulfur unit on the spectroscopic properties of their rhodium and iridium complexes was investigated. The new ligands Bn₂NPSCH₂CH₂S^a(P-S^a) (Bn = benzyl, 4), Bn₂NPSCHCHS^a(CH₂)₃C^aH₂(P-S^a)(C^a-S^a) (6) and Bn₂NP(4-XC₆H₄OMe)₂ (X = S, 7a; X = O, 7b) were converted to the rhodium and iridium complexes trans-[Rh(CO)Cl(L)₂] (L = 4, 6, 7), [RhCl(COD)(L)] (L = 4, 6, 7), [IrCl(COD)(7a)] and [IrCl₂Cp∗(6)]. For comparison, some phosphoramidite complexes of these formulations also were synthesized. The new metal complexes were spectroscopically analyzed. For the carbonyl complexes, the ν_CO IR stretching frequencies were lower than for the corresponding phosphite and phosphoramidite ligands. The ¹J_PRh coupling constants for the rhodium complexes with the new ligands were also smaller than for the respective phosphoramidite and phosphite complexes. Finally, the ¹J_PSe coupling constants of the selenides of the new ligands were lower than those of the phosphoramidite ligands but higher than for PPh₃. The spectroscopic data reveal that the new thio ligands 4, 6 and 7a are more electron donating than phosphites and phosphoramidites but less electron donating than PPh₃.     

Astrocytes and Synaptosomes Transport and Metabolize Lactate and Acetate Differently

Astrocytes transport the monocarboxylate acetate, but synaptosomes do not. The reason for this is unknown, because both preparations express monocarboxylate transporters (MCT). The transport and metabolism of lactate, another monocarboxylate, was examined in these two preparations, and the results were compared to those for acetate. Lactate transport is more rapid in astrocytes than in synaptosomes, but of lower affinity (Kms of 17 and 4 mM, respectively). Lactate (0.2 mM) is metabolized to CO2 more rapidly in synaptosomes than in astrocytes (rates of 0.37 and 0.07 nmol x mg protein(-1) x min(-1), respectively). The reason for this is unclear, but cellular differences in lactate dehydrogenase isotype expression may be involved. Acetate is metabolized to CO2 more rapidly in astrocytes than in synaptosomes (rates of 0.43 and 0.02 nmol x mg protein(-1) x min(-1), respectively). This is likely due to cellular differences in the expression of monocarboxylate transporter subtypes.     

Rapporteur report: Basics and technology and metrology and standards

The first and second sessions of the Workshop focussed on the basics of ultrasound and infrasound, their applications in both industry and medicine, and metrology and protection standards for ultrasound applications.     

白蚁与动物及微生物的共生类型及其机制

综述了白蚁螱客的主要种类、共生关系及相关机制的研究进展。白蚁螱客中,已报道的动物种类达170种。在与动物的共生关系中存在偏利共生（宾主共栖和异种共栖）、互利共生和无关共生三种;在与微生物的共生关系中,存在与内生菌（原生动物、细菌、真菌和放线菌）和外生菌（蚁巢伞菌等）间的互利关系。指出了白蚁与螱客研究中存在的问题,给出了解决方案,并提出了今后可能的研究热点或方向,为白蚁的综合利用（如纤维素酶）及今后研究物种间的协同进化提供了基础资料。     

Relative and combined effects of ethanol and protein deficiency on strontium and barium bone content and fecal and urinary excretion

To elucidate accumulation of minerals in human iliac arteries with aging, the content of minerals was analyzed by inductively coupled plasma atomic emission spectrometry. Bilateral common, internal, and external iliac arteries of 16 men and 8 women, ranging ages from 65 to 93 yr, were examined. It was found that an extremely high accumulation of calcium and phosphorus occurred in the common iliac artery at old age, being higher than that of the internal and external iliac arteries. It should be noted that the accumulation of calcium and phosphorus is the highest in the common iliac artery among the human arteries examined to date. Regarding sexual differences, the content of calcium and phosphorus in the common and internal iliac arteries was higher in women than in men, whereas their content in the external iliac artery was lower in women than in men.     

Oxidation and nitration of ribonuclease and lysozyme by peroxynitrite and myeloperoxidase

In spite of the many studies on protein modifications by reactive species, knowledge about the products resulting from the oxidation of protein-aromatic residues, including protein-derived radicals and their stable products, remains limited. Here, we compared the oxidative modifications promoted by peroxynitrite and myeloperoxidase/hydrogen peroxide/nitrite in two model proteins, ribonuclease (6Tyr) and lysozyme (3Tyr/6Trp). The formation of protein-derived radicals and products was higher at pH 5.4 and 7.4 for myeloperoxidase and peroxynitrite, respectively. The main product was 3-nitro-Tyr for both proteins and oxidants. Lysozyme rendered similar yields of nitro-Trp, particularly when oxidized by peroxynitrite. Hydroxylated and dimerized products of Trp and Tyr were also produced, but in lower yields. Localization of the main modified residues indicates that peroxynitrite decomposes to radicals within the proteins behaving less specifically than myeloperoxidase. Nitrogen dioxide is emphasized as an important protein modifier.     

Prostaglandin and thromboxane production by human and guinea-pig macrophages and leucocytes

The ability of partially purified human and guinea-pig haematogenous cell populations, when cultured in vitro, to metabolise arachidonic acid (AA) has been studied. Supernatants from 24 hour cell culture have been subjected to analysis for products of AA metabolism by gas chromatography with electron-capture detection.The cell types studied were human peripheral blood monocytes (both glass adherent and non-adherent), neutrophils, eosinophils and leukemic leucocytes; thoracic duct lymphocytes and lung alveolar macrophages. From the guinea-pig, induced and non-induced macrophage or neutrophil enriched peritoneal exudate populations, lymph node cells, peritoneal eosinophils and peripheral blood platelets were examined. Supernatants were assayed for the presence of PGE₂, PGD₂, PGF_2α, TXB₂ and 6-keto-PGF_1α. In all types studied PGE₂ and TXB₂ were the major products formed. The identification of PGE₂ and TXB₂ was confirmed by GC/MS with multiple ion monitoring.The results have been compared with other reports and their possible significance discussed in relation to the proposed role of prostaglandins as mediators and modulators in immunopathology.     

人血管能抑素基因的克隆、表达及其表达产物的纯化和生物活性测定

以人胎盘脐带组织为材料,提取组织总RNA,用netRTPCR方法合成人血管能抑素cDNA基因,将该cDNA克隆进pSP72载体获得重组质粒pSP72C, DNA序列分析结果与预期序列一致。用BamHⅠ和NdeⅠ双酶切,切下pSP72C上的血管能抑素cDNA,插入pET3c载体的相应位点获得重组表达质粒pETC, 转化E. coli BL21(DE3), SDSPAGE分析显示：在IPTG诱导下,血管能抑素基因获得了高效表达,表达量约占菌体总蛋白的 27.9 %,主要以包涵体形式存在。包涵体经过洗涤、裂解、蛋白复性以及Sephadex G75凝胶过滤层析等步骤后,获得了纯度达91.4 %的人血管能抑素。CAM实验证明10 μg纯化蛋白就能显著抑制鸡胚新生血管生成。