脾脏ARFI弹性联合血小板计数预测乙肝肝硬化食管静脉曲张的价值

目的 本研究应用声辐射力脉冲成像(Acoustic Radiation Force Impulse ARFI)技术对慢性乙型肝炎肝硬化患者进行脾脏弹性检测和分析,探讨和对比脾脏ARFI弹性及脾脏ARFI弹性联合血小板计数(Platelet Count PC)在预测乙肝肝硬化食道静脉曲张的临床应用价值。方法 对232例慢性乙型肝炎肝硬化患者应用ARFI技术检测脾脏实时超声弹性,并测量PC,所有患者均于检测前后一周内行胃镜检查明确食管静脉曲张情况,以胃镜结果为金标准,应用受试者工作特征(receiver operating characteristic, ROC)曲线比较脾脏ARFI弹性、PC、及脾ARFI弹性联合PC诊断肝硬化食管静脉曲张的临床价值。结果 食道静脉曲张组脾脏ARFI弹性和PC分别为3.52(3.16-3.87)m/s 和62(41-88.25),无食道静脉曲张组脾脏ARFI弹性和PC分别为2.91(2.35-3.35)m/s和129.5(87.25-196.25)。脾脏ARFI弹性和PC在两组间比较的差异均具有统计学意义(P＜0.001 )。单独脾脏ARFI弹性及脾脏ARFI弹性联合PC的ROC曲线下面积分别为0.76和0.83,差异具有统计学意义(P = 0.0021)。结论 脾脏ARFI弹性测值联合PC较单纯脾脏ARFI弹性能更准确的无创预测慢性乙型肝炎肝硬化食管静脉曲张的存在,具有良好的临床应用前景。     

静吸复合麻醉对特重度烧伤患者凝血功能障碍的影响

目的收集特重度烧伤(总TBSA50%以上或三度TBSA20%以上或伴有严重并发症者)患者围术期凝血指标(APTT、PT、FIB、DD和PLT)，分析静吸复合麻醉对患者凝血功能的影响及其临床意义。 方法选取近3年内蒙古医科大学第三附属医院烧伤外科收治的特重度烧伤患者148例，根据入院14 d内的预后分为死亡组和生存组，生存组男性129例，女性9例；年龄24~59岁，平均(43.30±12.90)岁。死亡组男性8例，女性2例；年龄26~63岁，平均(46.19±15.41)岁。收集入院时(T0)，术前(早晨入手术室前，T1)，术毕(送至PACU未拔除气管导管前，T2)及术后2 d(T3)4个时间点的凝血指标，比较两组凝血指标动态差异。 结果死亡组休克期输液量、累计血浆、红细胞输入量显著高于生存组(P<0.01)。T0时，生存组的FIB(1.78±0.32)显著高于死亡组(1.26±0.07)(P<0.05)；T2时，两组APTT、PT均显著缩短(P<0.05)，生存组的FIB(3.86±0.40)显著高于死亡组(2.45±1.02)(P<0.05)；T3时，死亡组PLT显著低于生存组(P<0.01)。 结论特重度烧伤患者在围手术期易出现高凝状态，并且这可能导致患者死亡。静吸复合麻醉和围术期大量液体复苏会促进患者的高凝状态。     

推拿联合针灸治疗血瘀型腰椎间盘突出症的临床疗效观察

目的:观察推拿手法联合针灸对血瘀型腰椎间盘突出症的临床疗效。方法:选取2015年6月至2017年12月秦皇岛市中医医院收治的血瘀型腰椎间盘突出症患者100例作为研究对象,按照随机数字表法随机分为对照组和观察组,每组50例。对照组接受单纯针灸治疗,观察组在对照组基础上加用脊柱推拿手法,2组均以10次为1个疗程,连续治疗2个疗程。比较2组患者治疗前、治疗3 d、10 d后JOA评分系统(Japanese Orthopaedic Association Scores,JOA)、Oswestry功能障碍指数的变化、血小板计数、血浆凝血酶原时间(PT)、活化部分凝血酶原时间(APTT)、血栓弹力图及临床总有效率的变化、腰椎疼痛评分(VAS)、血清学指标、炎性因子的变化。结果:推拿手法联合针灸可明显改善血瘀型腰椎间盘突出症的JOA评分、Oswestry功能障碍指数及凝血状态,降低患者外周血SP、NPY、IL-1β、TNF-α水平,且具有时间依赖性。结论:推拿联合针灸可明显改善血瘀型腰椎间盘突出症症状,调节患者的高凝状态,该法具有一定的时间依赖性。     

NLR、PLR在高血脂症性急性胰腺炎诊断及病情评估中的价值

目的探究中性粒细胞与淋巴细胞比值(NLR)、血小板与淋巴细胞比值(PLR)在高血脂症性急性胰腺炎(HLAP)诊断及病情评估中的价值。方法选取本院132例HLAP患者作为观察组,另选取同期66例胆源性、酒精性急性胰腺炎非HLAP患者作为对照组,66例健康体检者作为健康组,比较3组NLR、PLR、血脂指标[总胆固醇(TC)、三酰甘油(TG)]、炎性因子[C反应蛋白(CRP)、降钙素原(PCT)],分析NLR、PLR与血脂指标、炎性因子相关性,采用受试者工作特征(ROC)曲线评价NLR、PLR诊断价值,对比观察组不同病情程度患者NLR、PLR水平,分析NLR、PLR与HLAP病情程度的关系。结果观察组NLR、PLR、TC、TG、CRP、PCT高于对照组、健康组,对照组高于健康组,差异有统计学意义(P<0.05);Pearson相关性分析,NLR、PLR与TC、TG、CRP、PCT呈正相关(P<0.05);ROC曲线分析,NLR、PLR联合诊断AP的AUC为0.901,95%CI为0.858~0.934,敏感度为80.30%,特异度为92.42%,两者联合诊断HLAP的AUC为0.846,95%CI为0.788~0.893,敏感度为71.21%,特异度为83.33%,均优于两者单独诊断,差异有统计学意义(P<0.05);观察组重度患者NLR、PLR高于中度患者、轻度患者,中度患者高于轻度患者,差异有统计学意义(P<0.05);Spearman相关性分析,NLR、PLR与HLAP病情程度呈正相关(P<0.05)。结论 NLR、PLR联合检测在HLAP诊断与病情评估中具有较高临床价值。     

Corrosion Protection of Q235 Steel Using Epoxy Coatings Loaded with Calcium Carbonate Microparticles Modified by Sodium Lignosulfonate in Simulated Concrete Pore Solutions

In this study, calcium carbonate (CaCO₃) microparticles having pH-sensitive properties were loaded with sodium lignosulfonate (SLS), a corrosion inhibitor. Scanning electron microscope (SEM), UV–VIS spectrophotometer (UV-vis), X-ray diffraction (XRD), and attenuated total reflection-Fourier-transform infrared spectroscopy (ATR-FTIR) were applied to evaluate the properties of the synthetic microparticles. This material could lead to the release of corrosion inhibitor under different pH conditions of the aqueous media. However, the extent of release of the corrosion inhibitor in the acidic media was higher, leading to enhanced shielding effect of the Q235 steel. These microparticles can serve as anti-corrosion additive for epoxy resin-coated Q235 steel. Electrochemical experiments were used to assess the anti-corrosive ability of the epoxy coatings in simulated concrete pore (SCP) solution, confirming the superior corrosion inhibition of the epoxy coating via incorporation of 5 wt % calcium carbonate microparticles loaded with SLS (SLS/CaCO₃). The physical properties of coating specimens were characterized by water absorption, contact angle, adhesion, and pencil hardness mechanical tests.     

Role of aspirin and statin therapy in patients with cerebral cavernous malformations

Stagnant blood flow and organizing thrombus are intralesional components of patients with cerebral cavernous malformations (CCM). Stasis and inflammation are mechanisms of growth, lesional instability and acute hemorrhages with or w/o symptoms. We evaluate the association of pre-diagnostic aspirin and/or statin use with acute hemorrhages at diagnosis. Patients with a CCM diagnosis were identified and categorized according to their medications on admission into four groups (no therapy, statin, aspirin, combined). The primary outcome was an acute hemorrhage (with or w/o symptoms) at diagnosis reported in a standardized manner from the T2 weighted magnetic resonance image. A multivariate generalized linear mixed models (GLMM) was utilized to conduct per-lesion analysis. We identified 446 patients with 635 lesions. An acute hemorrhage at diagnosis was observed in 31% of the patients. There were 328 patients without statin or aspirin therapy, 34% of whom presented with acute hemorrhage. Of patients on aspirin therapy at diagnosis, 25% presented with hemorrhage. Of patients on statin therapy, 26% had a hemorrhage at diagnosis. Combined therapy in 44 patients demonstrated a lower proportion of patients with acute hemorrhages (7 patients, 16% incidence). A GLMM showed that patients in the combined therapy group to have significantly lower odds of having an acute hemorrhage at diagnosis compared to the reference group of no therapy (OR 0.24; 95% CI 0.09–0.59; P = 0.002). Patients with a CCM receiving therapy with both aspirin and statins were less likely to present at diagnosis with acute hemorrhage.