Late intraocular lens dislocation is one of the most severe late complications after phacoemulsification.It often occurs 3mo after the surgery.Different from early intraocular lens dislocation, late intraocular lens dislocation is caused by zonular dehiscence and contraction of the capsular bag many years after phacoemulsification.In recent years, the incidence of late intraocular lens dislocation gradually increases, having a risk of 0.1% after 10a and 1.7% after 25a.In the long-term follow-up patients who underwent cataract surgery, 90% had zonular insufficiency and capsular contraction.Among the multiple factors which may contribute to zonular weakness and capsular contraction, pseudoexfoliation is the most common cause, accounting for 50% of all the cases.Other risk factors include aging, high myopia, uveitis, trauma, previous vitreoretinal surgery, retinitis pigmentosa, diabetes mellitus, atopic dermatitis, previous acute angle-closure glaucoma attack, and connective tissue disorders.The understanding of these predisposing factors will suggest necessary preventions for high-risk patients in the future.

[Objective] To investigate professor SHAN Zhaowei's experience of diagnosing and treating bile reflux gastritis(BRG). [Method] The experience of Professor SHAN Zhaowei on recognition of etiology and pathogenesis, treatment principle, characteristics of prescription selection and administration of BRG is summarized and studied. Besides his academic ideas and clinical medication experience are shown with typical cases. [Result] In his view, emotional disorder is the most common etiology, and liver-stomach disharmony is the basic pathogenesis. He puts forward that we should pay attention to dispersing the stagnated liver Qi, regulating the stomach to lower the adverse flow of Qi when we treat it, and emphasizes the combination of disease differentiation and syndrome differentiation. Meanwhile, herbs of protecting gastric mucosa are compatibly used to improve the curative effect. And the case in this article has obtained good treatment results. [Conclusion] Pro. SHAN Zhaowei thinks that emotional regulation to patency for patients is very important. The dispersing the stagnated liver Qi, regulating the stomach and protecting gastric mucosa treatment proposed by SHAN Zhaowei is smart, simple and effective, which embodies the characteristic of his healing and MengHe Medicine.

Objective Study on methylenetetrahydrofolate reductase(MTHFR)gene polymorphism in coronary heart disease.Methods Detect the MTHFR C677T gene polymorphism by PCR-RFLP in 73 cases of healthy individuals and 87 cases of coronary heart diseas(CHD).Results At the site of 677,the T allele frequencies are 18.5%,36.1%,respectively,for healthy individuals and 87 cases of coronary heart disease.The frequecies of MTHFR CT genotype and T allel were significantly higher in disease groups.There are significant differences between disease group and control group(P

Objective The intra-cranial arteries are more affected in Asian ischemic stroke patients. We thought that tandem or diffuse arterial occlusive disease may be more common among patients with extracranial internal carotid artery (ICAex) occlusive disease. In the current study, the frequency of other co-existing extracranial artery ( EA) or intracranial artery ( IA) stenosis in patients with ICAex occlusive disease and its risk factors were studied. Method One hundred and ninety-eight consecutive patients with ischemic stroke or TIA who were admitted to our hospital from Jan 2001 to May 2008 and who had stenosis (70% ) or occlusion of ICAex were enrolled in the study. All the patients were examined with carotid duplex and transcranial Doppler (TCD). Among them, 75 patients were also examined with DSA, 52 patients with intracranial MRA and 25 patients with extra- and intra-cranial CTA. Extracranial artery stenosis or occlusion were diagnosed with DSA/CTA in 93 patients, and with carotid duplex only in 105 patients. Intracranial artery stenosis was diagnosed with DSA/MRA/CTA in 118 patients, and with TCD only in 80 patients. Patients with presumably cardioembolism such as atrial fibrillation were excluded. Results Among the 198 patients, 172 (86. 8% ) had other combined EA or IA stenosis. One hundred and thirty-five patients (135/198, 68.2%) had other combined EA stenosis, which were more frequently found in the contralateral ICAex (71/198, 35.9%). One hundred and twenty-three patients (123/198, 62. 1%) had combined IA stenosis, which were more frequently found in MCA (75/198, 37.9%). 52 (52/198, 26. 3% ) had ipsilateral terminal ICA and/or middle cerebral artery stenosis. Conclusion Tandem or diffuse arterial occlusive disease is common among patients with steno-occlusion of ICAex . Therefore, it is important to evaluate other EA and IA stenosis before CEA or CAS in Chinese patients.

Objective To explore imaging features of Zinner syndrome.Methods Eight male patients with clinically diagnosed Zinner syndrome performed abdominal and pelvic CT and /or MRI scan.The radiological data was studied retrospectively.Results Eight cases showed seminal vesicle cyst with ipsilateral renal agenesis on CT and/or MR imaging ( left side, n =5; right side, n =3).The maximal diameter of seminal vesicle cysts varied from 4.2 to 7.0 cm, and appeared as oval cystic lesion with irregular contour or tube-like dilatation , which appeared low density on CT image and hypo-or hyperintensity on T 1 WI and hyperintensity on T 2 WI.Bladder compression was found in 6 cases.Fuild-fuild level in the cysts was seen in 2 cases.Remnants of ureter structure were seen in only 1 case.There was no other accompanying abnormality of urinary system.Conclusions Zinner syndrome presents with characteristic imaging features , and the key issue is differential diagnosis of seminal vesicle cysts.

Objective To explore the relationship among idiopathic thrombocytopenic purpura(ITP),human cytomegalovirus(HCMV) infection,and immunological function in infants.Methods HCMV-Ab were tested by ELISA;HCMV DNA were tested by PCR for the case groups (n=54) and the controls(n=30).At the same time,T cell subgroups were tested by direct IF staining for the case groups.Results In the case group,the positive infants of HCMV Ab and HCMV-DNA were more than those in the controls(P

Aim To explore how MCP-1 induces neu-rodisorder by determing the effects of MCP-1 on excita-tory postsynaptic current(EPSCs) in the CA1 region of rat hippocampal brain slices .Methods EPSCs, the AMPA receptor-mediated EPSC (EPSCAMPAR ), NMDA receptor mediated EPSCs(EPSCNMDAR) and NR2BR re-ceptor-mediated EPSC ( EPSCNR2BR ) were recorded u-sing whole-cell patch recording techniques to observe the effects of 2.3 nmol· L-1 MCP-1 on pyramidal neu-rons in hippocampal CA1 region.Microtubule-associat-ed protein-2 ( MAP-2 ) staining was used to study whether MCP-1 induced dendritic injuries in hippocam-pal CA1 region and whether NMDAR , AMPAR or CCR2 receptor antagonists had protective effects a-gainst dendritic damage caused by MCP-1.Results ① Bath application of MCP-1 produced a significant enhancement of the amplitudes of EPSCs , EPSCAMPAR and EPSCNMDAR .②Further studies revealed that MCP-1 potentiated EPSC NR2BR; ③ The MCP-1-associated dendritic injuries were blocked by NMDAR , AMPAR and CCR2R antagonists respectively .Conclusions Our results suggest a potential role of MCP-1 which may play in neuroexcitotoxicity and neural injury via NMDA receptor(especially NMDAR subtype NR2BR) and CCR2 receptor .The antagonists of these receptors may have potential therapeutic effect for neurodegener-ation.

Based on domestic and international studies on Career-Life-Cycle theories,this paper analyzed the scientific research data of doctors to elucidate characters of varied steps in clinical and research practices,trying to construct Research Life-Cycle theory for doctors and provide theoretical references of talent cultivation in hospitals.

cerebral infarction as compare with patients at Grade 1-2 in both vascular locations, whereas the risk was not significantly increased in patients at Grade 3-4 in only one vascular location. Conclusions The simple method of assessing the degree of arterial atherosclerosis can be used to evaluate carotid artery and lower-extremity artery atherosclerosis in patients with type 2 diabetes. Patients with plaques or stenosis in both vascular locations were with a significantly increased risk of coronary heart disease or cerebral infarction if they were evaluated concurrently.

Objective To observe whether calreticulin-induced mitochondrial dysfunction is involved in cardiomyocyte hypertrophy induced by angiotensin Ⅱ (AngⅡ).Methods Primary culture of neonatal rat cardiomyocytes was further confirmed by immunocytochemistry.The cardiomyocytes were randomly divided into model group,valsartan group and control group.The model group was subdivided into three groups which were separately treated with 1 0-8 mmol/L, 1 0-7 mmol/L, and 1 0-6 mmol/L Ang Ⅱ. Calreticulin expression, mitochondrial membrane potential level, enzyme activities, cell surface area and protein synthesis rate were observed.Results Cell surface area and protein synthesis rate were both increased in model groups compared with control group.Mitochondrial membrane potential level and enzyme activities were lower in model groups than in control group,while calreticulin expression was up-regulated.Pretreatment with valsartan partially reversed all the above changes.Conclusion Mitochondrial dysfunction induced by calreticulin may be an important mechanism of myocardial hypertrophy.