目的 探讨在关节镜下膝关节前交叉韧带损伤重建术治疗的临床效果。方法 选取2018年3月—2020年3月之间我院接受住院治疗的80名膝关节前交叉韧带损伤患者作为研究对象。根据手术方式的不同,常规手术进行交叉韧带损伤的重建术治疗为常规组,关节镜下膝关节前交叉韧带损伤重建术治疗为研究组,每组各40名患者,比对两组的治疗效果。结果 通过数据得出常规组的膝功能评分(71.8±12.6)及膝功能不稳评分(13.2±1.6)要低于研究组膝功能评分(83.9±12.9)及膝功能不稳评分(19.3±2.3),差异有统计学意义(P＜0.05)。在术后疼痛评分上研究组(3.35±0.23)各项数据均优于常规组(4.35±1.69),差异有统计学意义(P＜0.05)。研究组并发症发生率仅为5%,常规组并发症发生率有17.5%,研究组数据远要低于常规组,差异有统计学意义(χ^<sup>2=5.178,P=0.023)。结论 在膝关节镜下前交叉韧带损伤重建术治疗可有效改善膝关节活动性、稳定性、有效减轻患者的疼痛感,减少并发症的发生,促进膝关节功能的康复。关节镜下进行膝关节前交叉韧带损伤重建术治疗具有临床推广和采纳的价值。

Objective To investigate the clinical effect of arthroscopic anterior cruciate ligament (ACL) reconstruction. Methods 80 patients with ACL injury in our hospital from March 2018 to March 2020 were selected as the research objects. According to the different surgical methods, patients underwent the traditional open surgery for cruciate ligament injury reconstruction treatment were selected as the control group,patients underwent arthroscopic anterior cruciate ligament injury reconstruction treatment were as the study group, 40 patients in each group, the treatment effect of the two groups were compared. Results The Lysholm score (71.8±12.6) and and Lysholm instability score (13.2±1.6) of the control group were lower than those of the study group (83.9±12.9 and 19.3±2.3), the differences were statistically significant (P <0.05). In the postoperative pain score, the study group (3.35±0.23) data was better than the control group (4.35±1.69), the difference was statistically significant (P <0.05). The incidence of complications in the study group was only 2.5%, and that in the control group was 17.5%, which was significantly lower than the control group, and the difference was statistically significant (χ²= 5.178, P= 0.023). Conclusion Arthroscopic anterior cruciate ligament reconstruction can effectively improve the activity and stability of knee joint, effectively reduce the pain of patients, reduce the occurrence of complications, and promote the rehabilitation of knee joint function. Arthroscopic anterior cruciate ligament reconstruction has the value of clinical promotion and adoption.

目的 探讨内镜黏膜下剥离术(ESD)治疗结直肠高级别上皮内瘤变(HGIN)的安全性及临床疗效。方法 回顾性分析2016年1月—2019年6月在南方医科大学附属小榄医院经肠镜活检诊断为结直肠HGIN并接受ESD治疗的56例患者的临床资料,记录每例病变的术后病理、整块切除率、治愈性切除率、手术并发症和随诊结果。结果 病灶平均直径为(2.28±0.76) cm。53例经ESD术完整切除,3例术中改用内镜下黏膜分片切除术切除,整块切除率为94.64％ (53/56)。术后病理51例HGIN,2例HGIN伴黏膜内癌,2例浸润性癌,术前活检与术后病理总符合率为92.86%(52/56),治愈性切除率为96.43%(54/56)。术中出血发生率为89.29%(50/56),术后迟发性出血发生率为3.57%(2/56)。术中穿孔发生率为5.36%(3/56),无术后迟发性穿孔病例。中位随访期为17个月,期间共1例患者复发。结论 ESD术治疗结直肠HGIN安全有效,但需警惕浸润性癌的可能。ESD术具有较高的术中出血和穿孔的风险,术者需具备熟练的操作技术及处理手术并发症的经验。

Objective To investigate the clinical efficacy and safety of endoscopic submucosal dissection (ESD) for colorectal high-grade intraepithelial neoplasia (HGIN). Methods Data of 29 patients diagnosed as colorectal HGIN and underwent endoscopic submucosal dissection (ESD) from January 2016 to June 2019 were retrospectively analyzed. Postoperative pathology, total en bloc resection rate, curative resection rate, complication and follow-up results were recorded. Results The mean diameter of the lesions was (2.28±0.76) cm. A total of 53 cases were successfully treated by ESD, 3 cases were changed using endoscopy piecemeal mucosal resection, the en bloc resection rate was 94.64% (53/56). Postoperative diagnosis confirmed 52 cases of HGIN, 2 cases of HGIN with intra-mucosal cancers and 2 case of invasive cancer,the overall consistency rate between preoperative biopsies and postoperative pathological diagnosis was 92.86% (52/56), the curative resection rate was 96.43% (54/56). The incidence of intro-operative bleeding and postoperative delayed bleeding was 89.29% (50/56) and 3.57% (2/56) respectively. The incidence of intro-operative perforation was 5.36% (3/56) and no delayed perforation occurred. The median follow-up period was 17 months and one case recurred. Conclusion ESD is a safe and effective treatment for colorectal HGIN, but invasive cancer must be cautioned. ESD has high risk of intro-operative bleeding and perforation, therefore, the surgeon must have skilled operation and treatment experience for complications.

目的 分析急性胰腺炎患者给予罗格列酮联合乌司他丁治疗的疗效。方法 采用分层随机法将我院于2019年1月—2020年12月收治的94例急性胰腺炎患者分为对照组和观察组,对照组(n=47)单纯给予乌司他丁治疗,观察组(n=47)给予罗格列酮联合乌司他丁治疗,对比两组患者疗效、病情恢复时间、炎症因子、肝功能指标。结果 两组患者治疗前C反应蛋白(C-reactive protein,CRP)、白细胞介素-6(interleukin-6,IL-6)、白细胞介素-17(interleukin-17,IL-17)、谷丙转氨酶(alanine aminotransferase,ALT)、谷草转氨酶(aspartate aminotransferase,AST)水平差异无统计学意义(P＞0.05),治疗后观察组治疗总有效率较对照组高,且首次排气时间、腹胀消失时间、肠鸣音消失时间、淀粉酶恢复时间更短,CRP、IL-6、IL-17、ALT、AST水平更低,数据差异有统计学意义(P＜0.05)。结论 急性胰腺炎患者给予罗格列酮联合乌司他丁治疗可改善症状,促进康复,减轻炎性损伤,保护肝功能,是兼具疗效与安全性的治疗方法。

目的 总结一个以心脏损害为首发症状的假肥大肌营养不良症家系的遗传学及临床特征。方法 对先证者和家系成员进行临床观察、并收集其血清酶、胸片、心电图、 心脏彩色超声、肌肉组织活检及抗肌萎缩蛋白基因突变检测等结果。结果 先证者及家系成员患者符合假肥大肌营养不良症诊断,但以心脏扩大为首发症状,表现为心肌酶谱异常,心电图异常,心彩超提示扩张型心肌病,同时骨骼肌受累不明显,基因检测提示先证者及家系成员患者携带抗肌萎缩蛋白基因外显子40的无义突变[c.5632C>T, p(Gln1878^*)]。结论 该家系成员患者符合X连锁扩张型心肌病诊断,患者存在新发的抗肌萎缩蛋白基因无义突变。

Objective To summarize the genetic and clinical characteristics of a family with Duchenne muscular dystrophy (DMD) with cardiac damage as the first symptom. Methods The results of clinical observations, laboratory tests, chest radiographs, electromyography, echocardiography, muscle tissue biopsies, and DMD gene mutations were collected. Results Patients with probands and family members met the diagnosis of DMD. However, cardiac enlargement was the first symptom, presenting as abnormal myocardial enzyme spectrum, abnormal electrocardiogram, and dilated cardiomyopathy in echocardiography, while skeletal muscle involvement was not obvious. One nonsense pathogenic mutation c.5632C>T, p(Gln1878^*) of exon 40 in the DMD gene was identified in the patients with probands and family members. Conclusion The patients of this family met the diagnosis of x-linked dilated cardiomyopathy, and a new nonsense pathogenic mutation of DMD gene was identified in this family.

目的 探讨臭氧水在外科手消毒中的消毒效果和医护人员的舒适度。方法 将参加手术的医务人员80例按时间段分为对照组、低浓度组、高浓度组,于消毒后分别进行手采样培养,并进行分析。结果 消毒后三组在菌落数比较差异有统计学意义(P<0.01);消毒后三组皮肤在发痒、脱屑、干燥评分比较差异有统计学意义(P<0.05);在气味、粘腻感、干燥速度比较差异有统计学意义(P<0.05)。结论 臭氧水用于外科手消毒效果可靠,无刺激气味和粘腻感,医护人员感觉更舒适。

Objective The aim of this study was to explore the disinfection effect of ozone water in surgical hand disinfection and the comfort of medical staffs. Methods 80 medical staffs who participated in surgeries were divided into control group, low-concentration group and high-concentration group according to the time period. After disinfection, hand samples were cultured and analyzed. Results After disinfection, there were statistically significance in colony number (P<0.01), itching, scaling and drying scores (P<0.05), odor, stickiness and drying speed (P<0.05). Conclusion Ozone water for surgical hand disinfection is reliable, no irritating odor and stickiness, and makes medical staffs feel more comfortable.

目的 对比小儿肠套叠的开腹手术与腹腔镜手术治疗的临床价值。方法 选定本院2017年1月—2020年1月收治的50例肠套叠患者,以双盲随机抽样法分组(每组样本容量25例),对照组采纳开腹手术治疗,观察组采纳腹腔镜手术治疗,对比两组手术指标、术中合并疾病探查率、并发症发生率、复套率。结果 观察组手术时间、下床活动时间、胃肠功能恢复时间及住院时间均比对照组短,观察组术中出血量比对照组低,观察组术中合并疾病探查率(68.00%)比对照组(40.00%)高,观察组并发症发生率(0)比对照组(32.00%)低,差异均有统计学意义(P＜0.05)。观察组复套率(0)与对照组(4.00%)比较,P>0.05。结论 腹腔镜手术治疗小儿肠套叠,创伤性较小、住院时间较短、术后炎症反应较轻、并发症发生率较低,且术中对合并疾病的探查率较高,值得借鉴。

Objective To compare the clinical value of laparotomy and laparoscopy in the treatment of intussusception in children. Methods 50 cases of intussusception patients in our hospital from January 2017 to January 2020 were selected and divided into two groups by double-blind random sampling method (25 cases in each group). The control group was treated with open surgery, and the observation group was treated with laparoscopic surgery. The operation indexes, intraoperative detection rate of combined diseases, incidence of complications and recurrence rate were compared between the two groups. Results The operation time, ambulation time, gastrointestinal function recovery time and hospitalization time in the observation group were shorter than those in the control group. The intraoperative blood loss in the observation group was lower than that in the control group. The detection rate of intraoperative diseases in the control group (68.00%) was higher than that in the observation group (40.00%), and the incidence of complications in the observation group (0) was lower than that in the control group 32.00%. The difference was statistically significant (P<0.05). The repetition rate of observation group (0) was higher than that of control group (4.00%), P>0.05. Conclusion Laparoscopic surgery in the treatment of pediatric intussusception has the advantages of less trauma, shorter hospitalization time, less postoperative inflammatory reaction, lower incidence of complications, and higher exploration rate of complications during operation, which is worthy of reference.

目的 探讨晚期胰腺癌超级伽玛刀治疗的临床效果。方法 选取2015年1月—2019年1月我院收治的晚期胰腺癌患者46例,随机分为对照组(23例)与观察组(23例),对照组接受单纯化疗治疗,观察组患者接受超级伽玛刀方案治疗。收集两组患者的治疗有效率、生存时间的临床受益反应(CBR)等指标,进行对比分析。结果 接受不同治疗措施干预1个月后,对两组患者治疗总有效率进行比较。观察组患者治疗总有效率为60.87%,高于对照组患者治疗总有效率13.04%(P＜0.01)。观察组患者中疼痛程度改善阳性人数比例、KPS体力改善阳性人数比例和体质量改善阳性人数比例均高于对照组患者(P＜0.05),但两组患者镇痛药物消耗量改善阳性人数比例差异并无统计学意义(P＞0.05)。观察组患者无进展生存期中位时间为4个月(95%CI,2.124±5.274),对照组患者无进展生存期中位时间为3个月(95%CI,1.804±4.851)。观察组患者无进展生存期中位时间长于对照组患者(P=0.042＜0.05)。结论 基于立体定向伽马射线全身治疗系统的超级伽玛刀采用中等剂量分割方法治疗晚期胰腺癌,其临床效果切实,副作用相对较低,对患者生存治疗有明显提升效果,值得临床推广。

Objective To explore the clinical effect of super gamma knife in the treatment of advanced pancreatic cancer. Methods 46 patients with advanced pancreatic cancer admitted to our hospital from January 2015 to January 2019 were randomly divided into control group (23 cases)and observation group (23 cases). The control group received chemotherapy only; the observation group received super gamma knife treatment. We collected the clinical benefit response (CBR)and other indicators of treatment efficiency and survival time of the two groups for comparative analysis. Results One month after the intervention of different treatment measures, the total effective rate of the two groups was compared. The total effective rate of the observation group was 60.87%, which was higher than that of the control group (13.04%)(P<0.01). The positive rate of pain degree improvement, KPS physical strength improvement, body weight improvement in the observation group were all higher than those in the control group (P<0.05), but there was no statistical significance between the two groups in the positive rate of analgesic consumption improvement (P>0.05). The median time of progression free survival was 4 months (95% CI, 2.124±5.274)in the observation group and 3 months (95% CI, 1.804±4.851)in the control group. The median time of progression free survival in the observation group was longer than that in the control group (P = 0.042<0.05). Conclusion The super gamma knife based on the stereotactic gamma ray systemic therapy system uses the medium dose segmentation method to treat the advanced pancreatic cancer. Its clinical effect is practical, the side effects are relatively low, and the survival treatment of patients has a significant improvement effect, which is worthy of clinical promotion.

目的 探讨高频经颅磁刺激治疗对 PSD 伴失眠患者的抑郁情绪及睡眠质量的疗效。方法 对63例PSD患者随机分为联合组32例(10Hz高频rTMS+艾司西酞普兰)及药物组31例(艾司西酞普兰+假刺激),每周5次,共治疗4周。于治疗前及治疗后4周末分别对两组患者进行HAMD、PSQI评分及多导睡眠监测。。结果 rTMS 治疗前,2组HAMD、PSQI评分及睡眠参数比较均无差异;治疗后第4周末,两组HAMD评分、PSQI评分、总睡眠时间、睡眠效率及快眼动睡眠期比例均较治疗前改善;研究组HAMD评分下降幅度较对照组明显,而PSQI评分下降幅度及相关睡眠参数改善无差异。结论 高频rTMS治疗对PSD的抑郁症状疗效更明显,而对睡眠质量及睡眠结构的改善则与药物治疗疗效相当。

Objective To investigate the effect of high frequency transcranial magnetic stimulation on depression and sleep quality in poststroke depression patients with insomnia. Methods 63 patients with PSD were randomly divided into observation group (n=32)and control group (n=31). Both groups were treated by 10~20 mg escitalopram citalopram for 4 weeks. The patients in observation group also accepted 10 Hz rTMS 10 times (i.e., as a course), while the patients in control group were treated by sham stimulation. At the baseline and 4th week, the 17-item Hamilton depression scale (17-HAMD), Pittsburgh Sleep Quality Index (PSQI)and polysomnography (PSG)were evaluated. Results The sleep parameters, PSQI scores and HAMD scores among two groups had no significant difference at baseline. After 4 weeks treatment, the HAMD score, PSQI score, total sleep duration, sleep efficiency and proportion of rapid eye movement sleep in both groups were improved compared with those before treatment. The descend range of HAMD score in observation group was larger than that in control group (t=2.590,P=0.012), while the descend range of PSQI scores(t=0.897,P=0.373)and the change of the sleep parameters in the two group had no obvious difference. Conclusion High frequency rTMS has better curative effect than antidepressant therapy on depressive symptoms of PSD,while there was no difference on the effect to improve the sleep quality and sleep structure of PSD between these two treatments.

目的 分析促红细胞生成素（EPO）及促红细胞生成素受体（EPOR）在肝细胞癌（NCC）以及正常组织中的表达规律,以及它们和肝细胞癌微血管密度（MVD）之间的关系。方法 选取我院手术切除的肝细胞肝癌的标本30例,取肿瘤边缘2.0 cm的肝组织作为对照,同时取正常肝脏组织10例做为阴性对照。利用酶联免疫吸附实验（ELISA）检测各组织中EPO及EPOR表达水平,利用免疫组织化学方法染色检测微血管密度（MVD）。对比癌组织和癌旁组织EPO、EPOR及MVD差异,分析NCC中EPO、EPOR、MVD与肿瘤病理特征的关系,分析EPO、EPOR表达水平与MVD之间的关系。结果 HCC组织中,EPR、EPOR、MVD均高于癌旁组织和正常组织,差异有统计学意义（P<0.001）,EPR、EPOR、MVD在癌旁组织和正常组织中,差异无统计学意义（P>0.05）。肿瘤大小>5 cm、存在包膜侵犯、存在远处转移以及高中分化的HCC中,EPR、EPOR、MVD水平高于肿瘤大小≤5 cm、无包膜侵犯、无远处转移以及低分化的水平,差异有统计学意义（P<0.05）。Person相关分析结果显示,EPO表达水平与MVD的相关系数r=0.651（P<0.001）,EPOR表达水平与MVD的相关系数r=0.620（P<0.001）。结论 EPO、EPOR、MVD在HCC中呈现高水平,且与肿瘤大小、局部侵犯、远处转移及分化程度有关,其机制可能与EPO、EPOR增加MVD有关。

Objective To analyze the expression of erythropoietin （EPO） and erythropoietin receptor （EPOR） in hepatocellular carcinoma （NCC） and normal tissues,and their relationship with hepatocyte microvessel density （MVD）. Methods Thirty specimens of hepatocellular carcinoma hepatectomy were selected from our hospital. The liver tissue at the edge of the tumor was taken as a control,and 10 cases of normal liver tissue were used as a negative control. The expression levels of EPO and EPOR in each tissues were detected by enzyme-linked immunosorbent assay （ELISA）,and microvessel density （MVD） was detected by immunohistochemistry. The differences of EPO,EPOR and MVD between each tissues were compared. The relationship between EPO,EPOR,MVD and tumor pathological features in NCC was analyzed. The relationship between EPO and EPOR expression levels and MVD was analyzed. Results In HCC tissues,EPR,EPOR and MVD were higher than those in adjacent tissues and normal tissues. The difference was statistical difference （P<0.001）. EPR,EPOR and MVD were not statistically significant in adjacent tissues and normal tissues. P>0.05）. The levels of EPR,EPOR,and MVD in tumors with tumor size >5 cm,invasion of the capsule,distant metastasis,and high-differentiation were higher than those of tumor size ≤ 5 cm,no capsule invasion,no distant metastasis,and poor differentiation. The difference was statistical difference （P < 0.05）. Person correlation analysis showed that the correlation coefficient between EPO expression level and MVD was r=0.651 （P<0.001）,and the correlation coefficient between EPOR expression level and MVD was r=0.620 （P<0.001）. Conclusion EPO,EPOR and MVD are highly expressed in HCC,and are related to tumor size,local invasion,distant metastasis and differentiation. The mechanism may be related to EPO and EPOR increasing MVD.

目的 探讨生物电抗无创心排监测（bioreactance noninvasive cardiac output monitoring,NICOM）心指数（cardiac index,CI）和总外周阻力指数（total peripheral resistance index TPRI）对呼吸困难病因诊断的临床价值。方法 采用前瞻性观察性研究的方法 ,纳入急性呼吸困难或慢性呼吸困难急性加重的患者共113例,临床医师根据2010年中华医学会心血管病学分会编委会组织编写的《急性心力衰竭诊断和治疗指南》为金标准分为心力衰竭组（n=55）和非心力衰竭组（n=58）,通过NICOM监测CI、TPRI,构建受试者工作特征曲线（receiver operating characteristic curve,ROC曲线）,分析CI和TPRI对心力衰竭的诊断价值。结果 心力衰竭组患者的CI低于非心力衰竭组（P<0.001）;心力衰竭组患者TPRI高于非心力衰竭组（P<0.001）;利用ROC曲线进行分析,CI曲线下面积（area under the curve,AUC）为0.792（95%CI：0.708~0.875,P=0.000）,当CI截断值取2.65L/（min·m²）时,诊断心力衰竭的敏感度为63.6%,特异度为87.9%;TPRI的AUC为0.733（95%CI：0.641~0.825,P=0.000）,当TPRI截断值取2 353dynes.sec/（cm⁵·m²）时,诊断心力衰竭的敏感度为72.7%,特异度为67.2%;CI联合TPRI诊断心力衰竭的敏感度为80%,特异度为65.5%。结论 NICOM监测CI对心力衰竭所致的呼吸困难特异度高,联合TPRI监测可提高敏感度。

Objective To investigate the clinical values of etiological diagnosis by testing cardiac index CI and total peripheral resistance index TPRI using bioreactance noninvasive cardiac output monitoring NICOM in patients with dyspnea. Methods Prospective,observational study was taken in 113 adult patients admitted with dyspnea or acute exacerbation of dyspnea in stable disease. The patients were divided into two groups namely heart failure group （n=55）and non-heart failure group（n=58） according to the guidelines on the diagnosis and treatment of acute heart failure（2010） as the standard criterion. All patients underwent CI and TPRI test by using NICOM. Receiver operating characteristic curve（ROC curve） was plotted to evaluate the diagnostic value of CI and TPRI. Results Compared with non-heart failure group,the CI was worse（P<0.001）,and the TPRI was elevated（P<0.001）. ROC curve showed that the area under the curve（AUC） of CI was 0.792（95%CI：0.708~0.875,P=0.000）. The cut-off of CI was 2.65L/min/m²,the sensitivity was 63.6%,and specificity was 87.9%. The AUC of TPRI was 0.733（95%CI：0.641~0.825,P=0.000）. The cut-off of CI was 2 353dynes.sec/cm⁵/m²,the sensitivity was 72.7%,and specificity was 67.2%. The sensitivity of CI combined TPRI was 80%,and specificity was 65.5%. Conclusion NICOM monitoring CI have high specificity,and combined TPRI monitored may improve sensitivity for dyspnea caused by heart failure.