目的 探讨锥形纤维桩核与金属铸造桩核在残冠残根修复治疗中的临床效果。方法 65例患者共计69颗残冠残根经完善的根管治疗后采用锥形玻璃纤维桩树脂核和全冠修复,另外32例41颗牙经铸造桩核冠修复,观察疗效对比。结果 所有病例每年复查一次,平均随访期为2年,69颗纤维桩修复患牙未发现牙根折裂,其中66颗全冠与桩核固位稳定,无主诉不适、牙周健康、患者对修复体美学效果与咀嚼功能均感满意。3例失败病例分别为全冠、纤维桩核松动脱落各1颗,有1颗纤维桩折断,成功率为95.6%。金属铸造桩核组41颗患牙失败4例,其中根折2例,均已拔除,牙龈炎伴牙龈及修复体颈缘变色1例,改用纤维桩修复,继发龋1例,成功率为90.2%。结论 纤维桩树脂核具有美学效果好,机械性能好,无腐蚀,耐疲劳,易拆除,不易根折等优点,可替代铸造桩核作为理想的冠、残根桩核修复材料。

目的 探讨颅脑超声在高危新生儿颅内疾病的诊断应用。方法 2010年7月—2014年6月间在我院新生儿重症监护室(NICU)813例新生儿应用百胜Mylab Five型彩色多普勒超声诊断仪,探头频率5～7.5 MHz,进行常规颅脑超声检查。患儿取仰卧位,经前囱作矢状切面及冠状切面按顺序扫查,重点扫查几个标志性切面。头皮留置针遮盖前囟者先予拔除,以保证检查顺利进行。结果 超声异常者85.73%(697/813)。其中颅内出血45.62%(318/697)。早期脑室周围—脑室内出血(PIVH)88.05%(280/318),以I级和II级为多;大脑出血4.40%(14/318);丘脑出血2.22%(7/318);小脑出血1.89%(6/318);蛛网膜下腔出血1.89%(6/318);硬膜下出血1.57%(5/318)。缺氧缺血性脑损伤(HIHB) 36.01%(251/697)。足月儿缺氧缺血性脑病(HIE)67.33%(169/251),轻度HIE52.59%(132/251),中重度HIE14.74%(37/251)。早产儿缺氧缺血性脑病(PVL)33.67%(82/251),化脓性脑膜炎3.30%(23/697)。脑积水15.06%(105/697),以外围性脑积水多见。出院前复查: I度及II度PIVH大部分吸收,III级及IV级PIVH可见侧脑室扩大、脑实质液化性囊腔。大脑出血、丘脑出血、小脑出血均有不同程度吸收,严重者遗留液化性囊腔,蛛网膜下腔出血及硬膜下出血亦有不同程度地吸收。轻度HIE大部分恢复正常,中重度HIE 均有脑室扩大、脑萎缩、液化性囊腔。PVL后期见囊泡性改变。化脓性脑膜炎后期可见硬膜下积液及梗阻性脑积水。结论 颅脑超声便携,可床边,价廉,可重复,具有较实用临床应用价值。适用于新生儿颅内疾病的筛查及诊断。对脑中线部位脑室周围—脑室内出血,对脑积水的程度、预后具有特异性诊断价值。它可提示颅内病变类型、程度、部位及动态监测病情进展情况。对某些颅内病变如蛛网膜下腔出血,硬膜下腔出血,小脑出血则需要结合CT、MRI等其它影像技术,为临床诊断提供依据。

目的 观察肌内效贴联合物理治疗急性踝关节扭伤的临床疗效。方法 将52例急性踝关节扭伤患者随机均分为肌内效贴联合物理治疗组(观察组)和常规物理治疗组(对照组),分别于治疗前及治疗后第5、10天时观察患部肿胀程度和VAS评分及踝关节kofoed评分。结果 治疗后第5、10天时两组肿胀程度和VAS评分较治疗前好转(P＜0.05),kofoed评分较治疗前升高(P＜0.05)。观察组在肿胀改善、VAS评分及kofoed评分方面均优于对照组(P＜0.05)。结论 肌内效贴联合物理治疗改善急性踝关节伤患者临床症状,改善踝关节功能,临床疗效优于单纯物理治疗。

Objective The purpose of this pilot study was to investigate the effectiveness of kinesio taping combined with conventional physiotherapy for acute ankle sprain patients. Methods 52 acute ankle sprain patients were randomly divided into kinesio taping combined with conventional physiotherapy group(observation group) and the conventional physiotherapy group(control group),and to observe the changes of the affected part of swelling and the visual analogue scale(VAS)and the extent of the ankle joint function recovery situation at the fifth day and the tenth day respectively. Results Two groups suffering from swelling part and the VAS was improved after the treatment at the fifth day and the tenth day (P<0.05), and the ankle kofoed scores were increased too (P<0.05). The observation group in improving the swelling, VAS and kofoed score were significantly better than the control group (P< 0.05). Conclusion Kinesio taping combined with conventional physiotherapy can be a more effective therapeutic technique for treating acute ankle sprain.

目的 观察保留括约肌挂线法和瘘管切除术治疗复杂性肛瘘的临床效果。方法 选择2010年10月—2013年10月期间收治的复杂性肛瘘患者共122例,并随机均分为A、B两组。其中A组采用保留括约肌挂线法,B组采用瘘管切除术,比较两组患者的近远期治愈率、愈合时间以及后遗症的发生情况。结果 两组患者分别采用保留括约肌挂线法和瘘管切除治疗后均达到治愈标准,近期治愈率及复发率两组间无统计学差异。术后情况,A组愈合时间为(20.74±5.62)天,B组为(19.19±6.84)天,P>0.05,组间无统计学差异,但A组中后遗症的发生率为3.28%,B组中的后遗症发生率为37.70%,χ²=14.182,P<0.05,A组中后遗症的发生率明显低于B组。结论 保留括约肌挂线法与瘘管切除术均能很好地治疗肛瘘,其中保留括约肌挂线法在保存肛门正常生理功能,减少术后后遗症发生等方面较后者有优势,值得临床推广。

Objective To observe the effect of sphincter preservation seton applied in complex anal fistulas treatment. Methods 122 cases of patients with complex anal fistulas treated from October 2010 to 2013 were selected and divided into A and B group randomly and equally. And sphincter preservation seton was applied in A group, while fistula resection applied in B group. The cure rate of short and long term, healing time and occurrence of sequel were compared. Results Standard cure was got in both groups, and there were no statistically significant difference between the cure rates and recurrence rates of short term in the 2 groups. Healing time in A group was (20.74±5.62) days, and (19.19±6.84) days in B group (P>0.05), and no statistically significant difference was between the 2 groups. Occurrence of sequel was 3.28% in A group, while 37.70% in B group, (χ²=14.182, P<0.05), and the occurrence of sequel in A group was much lower than that in B group. Conclusion Complex anal fistulas could be treated well by both sphincter preservation seton and fistula resection, and normal physiological function of anus could be better retained by sphincter preservation seton, and the superiority of reduction of postoperative sequelae was apparent by former surgical. It was worthy of clinical use.

目的 探讨经皮穴位电刺激对脑卒中偏瘫患者上肢运动功能的影响。方法 37例脑卒中患者随机分为TAES组(n=19)和安慰刺激组(n=18)。两组常规治疗相同。TAES组采用KD-2A型经皮神经电刺激治疗仪治疗,刺激部位选择患侧上肢的4个穴位(肩髃、曲池、外关、合谷),频率100 Hz,脉宽0.2 ms,强度以患者最大耐受强度为限;每天治疗1次,每次60 min,连续3周共15次;安慰刺激组接受治疗的部位、时间和疗程与TAES组相同,但每次治疗时没有电流输出。治疗前、治疗第2周、治疗第3周分别用上肢Fugl-Meyer评分和改良Barthel指数评分(MBI)评定上肢运动功能及日常生活活动能力。结果 治疗前,两组患者间的一般情况、FMA-UE 评分和MBI评分的比较差异无统计学意义(P>0.05)。经过治疗,两组患者的FMA-UE和MBI评分与治疗前比较均有改善(P<0.05);TAES组FMA-UE和MBI评分的改善较安慰刺激组明显(P<0.05)。结论 TAES治疗能够提高脑卒中患者上肢运动功能,提高生活自理能力。

Objective To investigate the effect of transcutaneous accupoint electrical stimulation (TAES) in enhancing upper limb function in subjects with stroke. Methods 37 subjects with first stroke were randomly assigned into 2 groups:TAES group(n=19) and placebo stimulation group(n=18). All subjects received the same standard rehabilitation. In the TAES group, Model KD-2A stimulator was applied with 0.2 ms pulses, at 100 Hz within the subject's tolerance level on the 4 acupuncture points (LI15, L I11, LI4, and SJ5) in the affected upper limb for 60 min, 5 days a week for 3 weeks; The time and the course of treatment of the placebo stimulation group were as well as the TAES group's, but no current output for each treatment. All subjects in the 2 groups received standard rehabilitation program. Measurements including Fugl-Meyer motor assessment (FMA-UE) and modified Barthel index(MBI) on affected side were recorded before treatment after 2 and 3 weeks' treatments. Results After 3 weeks treatments,the function scores on affected side of the two groups were improved significantly(P<0.05). And function scores of the TAES group were significantly improved than those of the placebo group (P<0.05). Conclusion Transcutaneous accupoint electrical stimulation significantly may improve the recovery of upper limb function.

目的 探讨生理情况下高龄肝脏与低龄肝脏的区别,寻找可以区分高龄肝脏与低龄肝脏的指标。方法 取6周龄SD大鼠和9月龄以上退役SD大鼠各5只,采用超声弹性成像检测肝脏硬度、全自动生化检测仪检测血清学指标、H&E染色观察肝脏形态结构、Sirius Red染色及Masson染色检测胶原纤维的沉积、免疫组化SP法检测TGF-β1、p16^INK4a、SMP-30蛋白的表达。结果 高龄组和低龄组之间血清学指标、胶原纤维沉积及TGF-β蛋白、p16^INK4a蛋白的表达无差异;超声弹性成像检测低龄组Vs值为(1.21±0.09)m/s,高龄组为(1.32±0.05)m/s(P=0.033);SMP-30蛋白低龄组IOD值为138244.988±51286.257,高龄组为116240.170±35017.936(P=0.007)。结论 高龄大鼠与低龄大鼠肝脏的硬度及SMP-30蛋白的表达存在差异,随着年龄的增加肝脏硬度增大,SMP-30蛋白表达下降。肝脏硬度与SMP-30蛋白可作为区分高龄肝脏与低龄肝脏的指标。

Objective To investigate the differences between elderly and younger liver. Methods In accordance with the age of the SD rats into two groups: younger group (Group Y, 6 weeks, n=5) and elderly group (Group O, 40 weeks or more, n=5). Data were compared by using ultrasound elasticity imaging to detect liver stiffness, automatic biochemical detector to gauge serum indexes, H&E staining to observe the liver morphological structure, Sirius Red staining and Masson staining to assay the collagen fibers deposition, Immunohistochemistry to identify the expression of TGF-β₁, p16^INK4a and SMP-30 protein. Results Serum indexes, collagen deposition, TGF-β₁ and p16^INK4a protein expression were no statistically significant difference between two groups. The Vs value was (1.21±0.09) m/s in Group Y and (1.32±0.05) m/s in Group O (P=0.033). and the IOD value of SMP-30 protein between Group Y and Group O were 138244.988±51286.257 and 116240.170±35017.936 (P=0.007). Conclusion The degree of liver stiffnessnd and SMP-30 protein in elderly and younger liver are different.Increased the degree of liver stiffness and decreased the expression of SMP-30 protein in the elderly SD rats. Liver stiffness and SMP-30 protein could be used as indicators to distinguish between elderly and younger liver.

目的 观察并评估内毒素性急性肺损伤大鼠吸入一氧化氮后外周血中内皮祖细胞和炎症介质的变化情况。方法 90只SPF级健康大鼠分为3组,A组为正常对照组(n=30),B组为急性肺损伤组(ALI)(n=30), C组为一氧化氮(NO)组(n=30)。分别计算各组外周血内皮祖细胞(Endothelial progenitor cells,EPCs) 数量,同时监测肺组织中白细胞介素-10(Interleukin-10,IL-10)水平和髓过氧化物酶(Myeloperoxidase,MPO)活性。结果 我们成功建立了大鼠的ALI肺损伤模型, C组EPCs数量、MPO活性上升幅度均小于B组、而IL-10上升水平均高于B组,差异有统计学意义(P<0.05)。结论 大鼠吸入一氧化氮可减轻内毒素所致急性肺损伤程度,其机制可能与外周血中内皮祖细胞数量及MPO水平下降和IL-10水平上升有关。

Objective To investigate the effect of nitric oxide(NO) inhalation in endotoxin-induced acute lung injury mice. Methods Ninety SPF mice were randomly assigned to the normal group(group A), ALI group(group B)and ALI+NO group(group C). The number of endothelial progenitor cells was counted and the level of Interleukin-10(IL-10) and myeloperoxidase (MPO) were measured. Results Endotoxin administration resulted in pulmonary edema. The pulmonedema was lightened and the level of MPO were decreased by the inhalation of nitric oxide while the level of IL-10 increased. Conclusion NO inhalation can mitigate acute lung injure. The decline of EPCs and MPO and the increase of IL-10 may be one of the mechanism.

目的 观察鼻咽癌患者癌组织中RhoA蛋白-Rho激酶蛋白表达情况。方法 收集增城市人民医院2009年2月—2014年6月耳鼻喉科住院治疗,进行活检的鼻咽癌患者切除标本共62例,包括癌组织及癌旁组织。通过SABC免疫组织化学法检测患者癌组织及癌旁组织中RhoA蛋白-Rho激酶蛋白表达情况。结果 鼻咽癌组织RhoA蛋白阳性表达率及Rho激酶蛋白阳性率高于癌旁组织(P=0.00);鼻咽癌癌组织RhoA及Rho激酶表达在年龄及性别分布上无差异,而TNM分期中Ⅲ期+Ⅳ期RhoA及Rho激酶表达阳性率高于Ⅰ期+Ⅱ期患者,同时存在淋巴结转移患者其RhoA及Rho激酶表达阳性率高于未转移患者。结论 鼻咽癌患者癌组织中RhoA蛋白及Rho激酶表达阳性率高,TNM分期越高及存在淋巴结转移者其RhoA蛋白及Rho激酶表达阳性率越高。RhoA-Rho激酶信号通路参与了鼻咽癌发生发展的过程。

Objective To observe the expression of RhoA-Rho kinase protein in patients with nasopharyngeal carcinoma tissue. Methods Collecting 62 cases of patients with nasopharyngeal carcinoma who hospitalized and hadbiopsyof specimens, including carcinoma tissues and adjacent tissues in department of otolaryngology-head and neck surgery from February 2010 to October 2014. The expression of RhoA-Rho kinase protein in carcinoma tissues and adjacent tissues was detected with SABC immune histochemical method. Results Positive expression rate of nasophryngeal carcinoma tissue RhoA protein and Rho kinase protein was significantly higher than that of adjacent tissues, and there was no obvious difference in age and sex between the expression of nasopharyngeal carcinoma tissue RhoA and Rho kinase(P=0.00), while patients being in the third and fourth periods of TNM stage had a higher positive expression rate of RhoA and Rho kinase than those being in the first and second periods. At the same time, RhoA and Rho kinase positive expression rate in patients with lymph node metastasis was higher than that in those without lymph node metastasis. Conclusion Positive expression rate of RhoA protein and Rho kinase in patients with nasopharyngeal carcinoma. The higher TNM stage is, the higher positive expression rate of RhoA protein and Rho kinase in lymph node metastasis is. RhoA-Rho kinase signaling pathways involved in the occurrence and development of nasopharyngeal carcinoma.

目的 通过听力筛查,了解新生儿听力障碍的发病状况,探讨新生儿听力损失的危险因素。方法 采用耳声发射仪(OAE)和听觉脑干诱发电位仪(ABR)进行听力筛查,收集听力损失患儿,采用1:2配对的χ²检验和多因素Logistic回归分析筛选新生儿听力损失的危险因素。结果 20661例新生儿进行了听力损失初筛,初筛通过率88.99%(18386/20661);2231例进行了复筛,复筛通过率96.51%(2153/2231);对78例复筛未通过者进行ABR检查,确诊听力损失59例,听力损失发病率为2.86‰。多因素Logistic回归分析显示,新生儿头颅五官先天畸形(OR=3.435,95%CI:1.473~8009,P=0.004)和听力损失家族史(OR=2.681,95%CI:1.107~8.083,P=0.009)是新生儿轻中度听力损失的危险因素;新生儿头颅五官先天畸形(OR=2.213,95%CI:1.322~3.712,P=0.003)、NICU监护史(OR=1.524,95%CI:1.358~1.714,P=0.005)和听力损失家族史(OR=8.954,95%CI:1.783~45.128,P=0.008)是新生儿重度和极重度听力损失的高危因素。结论 母亲羊水异常、新生儿头颅五官先天畸形、NICU监护史和听力损失家族是新生儿听力损失的高危因素,应采取普遍筛查措施早期发现并给予相应干预,减少新生儿听力损失的发生率。

Objective To explore the influencing factors of hearing loss in newborns. Methods through screening, screening, diagnostic evaluation of 3 procedures to collect hearing loss in children, with 1:2 matching test and multivariate Logistic regression analysis in screening neonatal hearing loss risk factors. Results 20,661 cases of hearing loss in newborn screening, screening pass rate 88.99% (18386/20661); 2231 cases were re-screened for rescreening pass rate 96.51% (2153/2231); 78 patients who did not pass for rescreening ABR examination, diagnosed 59 cases of hearing loss, hearing loss incidence rate 2.86 ‰. Logistic regression analysis showed that neonatal facial congenital malformations (OR=3.435, 95%CI: 1.473~8009, P=0.004) and a family history of hearing loss (OR=2.681, 95%CI: 1.107~8.083, P=0.009) neonates with mild to moderate hearing loss is a risk factor; Neonatal facial congenital malformations (OR=2.213, 95%CI: 1.322~3.712, P=0.003), NICU care history (OR=1.524, 95%CI:1.358~1.714, P=0.005) and a family history of hearing loss (OR=8.954, 95%CI: 1.783~45.128, P=0.008) in neonates with severe and very severe hearing loss risk factors. Conclusion amniotic fluid anomalies neonatal cranial features mother, congenital malformation, NICU care history and hearing loss family is newborn hearing loss risk factors, should be taken to universal screening for early detection and appropriate intervention measures, reduce the incidence of neonatal hearing loss.

目的 研究探讨适合基层医院开展白内障复明手术的手术方式。方法 随机抽取我院2010年4月—2014年4月收治的白内障患者1560例为研究对象。所有患者的患眼有2460只。并将其随机分成观察组和对照组,每组患者患眼分别有1230只。对照组采用大切口(巩膜隧道)有缝线白内障(囊外)摘除并人工晶状体植入手术,观察组患者采用小切口(巩膜隧道) 无缝线白内障(囊外)摘除并人工晶状体植入手术治疗的方法,并对两组的疗效进行分析。观察患者手术后的视力、术中以及术后并发症、住院费用等。结果 治疗结果显示,观察组患者的视力术后7天在0.4以上的患者占有89.7%,对照组患者视力在0.4以上的患者占有87.3%。差异无统计学意义(P＞0.05)。手术时间对照组长于观察组,手术费用对照组略高于观察组,差异有统计学意义(P<0.05)。两组在术中后囊膜破裂的发生率、前房型人工晶体植入的比例、上袢缝合固定后房型人工晶体植入比例比较,差异有统计学意义(P<0.05),观察组上述情况少于对照组。结论 在基层医院进行白内障复明活动,采用小切口(巩膜隧道) 无缝线白内障(囊外)摘除并人工晶状体植入手术治疗的方法疗效可靠,并发症少,手术时间短,住院总费用较低,有利于我们在资金、设备有限的情况下在限定的时间内完成较多的白内障复明手术。因此,在基层医院开展的白内障扶贫复明活动中小切口白内障(囊外)摘除并人工晶状体植入手术方法值得推广。