Cardioprotective effects of sinomenine in myocardial ischemia/reperfusion injury in a rat model

BackgroundIschemia reperfusion (I/R) play an imperative role in the expansion of cardiovascular disease. Sinomenine (SM) has been exhibited to possess antioxidant, anticancer, anti-inflammatory, antiviral and anticarcinogenic properties. The aim of the study was scrutinized the cardioprotective effect of SM against I/R injury in rat.MethodsRat were randomly divided into normal control (NC), I/R control and I/R + SM (5, 10 and 20 mg/kg), respectively. Ventricular arrhythmias, body weight and heart weight were estimated. Antioxidant, inflammatory cytokines, inflammatory mediators and plasmin system indicator were accessed.ResultsPre-treated SM group rats exhibited the reduction in the duration and incidence of ventricular fibrillation, ventricular ectopic beat (VEB) and ventricular tachycardia along with suppression of arrhythmia score during the ischemia (30 and 120 min). SM treated rats significantly (P < 0.001) altered the level of antioxidant parameters. SM treatment significantly (P < 0.001) repressed the level of creatine kinase MB (CK-MB), creatine kinase (CK) and troponin I (Tnl). SM treated rats significantly (P < 0.001) repressed the tissue factor (TF), thromboxane B2 (TXB2), plasminogen activator inhibitor 1 (PAI-1) and plasma fibrinogen (Fbg) and inflammatory cytokines and inflammatory mediators.ConclusionOur result clearly indicated that SM plays anti-arrhythmia effect in I/R injury in the rats via alteration of oxidative stress and inflammatory reaction.     

Assessing the Effects of Geniculate Artery Embolization in a Nonsurgical Animal Model of Osteoarthritis

PurposeTo create a nonsurgical animal model of osteoarthritis (OA) to evaluate the effects of embolotherapy during geniculate artery embolization (GAE).Materials and MethodsFluoroscopy-guided injections of 700 mg of sodium monoiodoacetate were performed into the left stifle in 6 rams. Kinematic data were collected before and after induction. At 10 weeks after induction, Subjects 1 and 4–6 underwent magnetic resonance (MR) imaging with dynamic contrast enhancement (DCE) and Subjects 1, 3, and 4–6 underwent angiography with angiographic scoring to identify regions with greatest disease severity for superselective embolization (75–250-μm microspheres). Target vessel size was measured. At 24 weeks after angiography, DCE-MR imaging, angiography, and euthanasia were performed, and bilateral stifles were harvested. Medial/lateral tibial and femoral condylar, patellar, and synovial samples were cut, preserved, decalcified, and scored using the Osteoarthritis Research Society International criteria. The stifle and synovium Whole-Organ Magnetic Resonance Imaging Score and Multicenter Osteoarthritis Study score were determined. The volume transfer constant (K_trans) and extracellular volume fraction (v_e) were calculated from DCE-MR imaging along the lateral synovial regions of interest.ResultsThe mean gross and microscopic pathological scores were elevated at 38 and 61, respectively. Mean synovitis score was elevated at 9.2. Mean pre-embolization and postembolization angiographic scores were 5 and 3.8, respectively. Mean superior, transverse, and inferior geniculate artery diameters were 3.1 mm ± 1.21, 2.0 mm ± 0.50, and 1.6 mm ± 0.41 mm, respectively. Mean pre-embolization and postembolization cartilage and synovitis scores were elevated at 35.13 and 73.3 and 5.5 and 9.2, respectively. The K_trans/v_e values of Subjects 4, 5, and 6 were elevated at 0.049/0.38, 0.074/0.53, and 0.065/0.51, respectively. Altered gait of the hind limb was observed in all subjects after induction, with reduced joint mobility. No skin necrosis or osteonecrosis was observed.ConclusionsA nonsurgical ovine animal knee OA model was created, which allowed the collection of angiographic, histopathological, MR imaging, and kinematic data to study the effects of GAE.     

Left ventricular noncompaction associated with a pathogenic mutation in the MYH7 gene: Known mutation,different phenotype

Left ventricular noncompaction (LVNC) is a genetically heterogeneous cardiomyopathy, with familial and sporadic forms, but genetic testing only identifies a pathogenic mutation in a minority of cases. The main complications are heart failure, embolism and dysrhythmias. Herein we report a familial case of LVNC associated with a mutation in the MYH7 gene and review the literature regarding controversies in LVNC. A 50-year-old woman was referred to the cardiology clinic for palpitations. She underwent echocardiography and cardiac magnetic resonance imaging that revealed mild left ventricular systolic dysfunction and LVNC criteria. She had several episodes of non-sustained ventricular tachycardia and received an implantable cardioverter-defibrillator (ICD). Genetic testing revealed the c.1003G>C (p.Ala335Pro) mutation in the MYH7 gene. Familial screening showed clear genotype-phenotype cosegregation, which provided strong evidence for the pathogenic role of this mutation. To the best of our knowledge, this is the first report of LVNC associated with the p.Ala335Pro mutation in the MYH7 gene. This mutation has been described in hypertrophic cardiomyopathy, suggesting that the same pathogenic sarcomere mutation may be associated with different cardiomyopathies. This case also highlights the current difficulties regarding decisions on ICD implantation for primary prevention of sudden cardiac death in LVNC.     

瘀热型慢性前列腺炎与心理性因素及性功能的相关性

目的分析瘀热型慢性前列腺炎(CP)临床症状与心理性因素及性功能的相关性。方法收集2020年6月至2021年6月在南京市江宁中医院泌尿外科门诊诊治的91例瘀热型CP患者的临床资料进行回顾性分析,使用美国国立卫生研究院慢性前列腺炎症状指数评分表(NIH-CPSI)、中医证候量表、7项广泛性焦虑障碍量表(GAD-7)、抑郁症筛查量表(PHQ-9)、疼痛灾难化量表(PCS)、国际勃起功能评分表(IIEF-5)和早泄诊断量表(PEDT)对患者进行评估,对量表评定结果进行Pearson相关性分析和多元线性回归分析。结果(1)症状量表:NIH-CPSI总分与中医量表总分、GAD-7总分呈正相关,中医证候量表总分与CPSI、GAD-7、PHQ-9、PCS、PEDT总分呈正相关(P<0.05);CPSI总分随中医量表总分递增而升高,中医证候量表总分随CPSI疼痛症状、PHQ-9总分递增而升高(P<0.05)。(2)情绪量表:GAD-7总分与CPSI、中医证候量表总分、排尿症状、PHQ总分、PEDT总分呈正相关,PHQ-9总分与中医证候量表总分、疼痛及排尿症状、PCS总分、PEDT总分呈正相关,PCS总分与中医证候量表总分及疼痛症状分值呈正相关(P<0.05);GAD-7总分随PHQ-9总分递增而升高;PHQ-9总分随中医证候量表排尿症状、GAD-7、PCS分值递增而升高;PCS总分随中医证候量表疼痛症状、PHQ-9分值递增而升高(P<0.05)。(3)性功能量表:IIEF-5总分与中医证候量表疼痛分值呈负相关,PEDT总分与中医证候量表总分及疼痛症状、GAD-7、PHQ-9分值呈正相关(P<0.05);IIEF-5总分随中医证候量表疼痛症状分值递减而升高(P<0.05)。结论瘀热型CP患者表现为以疼痛为主,伴随排尿异常、情绪异常、认知障碍和性功能障碍的系列症状,同时使用中医证候量表及CPSI评估能较好的反映其病情的严重程度。     

阴道顺产与剖宫产对初产妇产后早期盆底功能的影响比较

目的研究阴道顺产与剖宫产对初产妇产后早期盆底功能的影响。方法选择2020年1月至12月在阳春市人民医院产科中心分娩的120例初产妇展开研究,按照分娩方式的不同分为对照组与观察组,每组各60例。对照组为阴道顺产,观察组采用剖宫产,两组均在产后第6周进行早期盆底功能检查,并进行盆底康复治疗,比较两组的治疗效果。结果观察组的尿失禁、阴道脱垂、子宫脱垂发生率低于对照组,差异有统计学意义(P<0.05);观察组治疗后的盆底肌力分级情况优于对照组,差异有统计学意义(P<0.05);观察组治疗后的膀胱颈与耻骨联合下缘水平线间的垂直距离(BSD)高于对照组,膀胱尿道后角(RA)、膀胱颈移动度(BND)低于对照组,差异均有统计学意义(P<0.05)。结论阴道顺产对于盆底功能及盆腔结构的不良影响大于剖宫产,盆底功能障碍性疾病发生率更高,而康复治疗可有效改善阴道顺产、剖宫产初产妇的盆底功能,剖宫产初产妇的盆底功能恢复更好。