Child ; Diagnosis, Differential ; Diagnostic Errors ; Female ; Humans ; Porphyria, Acute Intermittent ; diagnosis ; therapy

Partial fibulectomy is widely used in fibula transplantation and the treatment of fibular tumor and injury. After follow-up surveys and biomechanical experiments, many authors believe it is important to pay attention to the postoperative complications in leg，which now still remains in dispute. For the first time finite element analysis is used to find out the mechanical characteristics of crural bone before and after partial fibulectomy. Our results show that resection would alter significantly the stress distribution in tibia, fibula and the medial & lateral parts of talus, so influent the ankle joint stability. Causes of postoperative complications were also discussed.

OBJECTIVE:To prepare psoralen liposome gel and to conduct a quan titative investigation about its drug re?lease model in vitro.METHODS:Taken psoralen liposome gel that of the same concentration as the control group,the model of drug release in vitro of the testing group was evaluated by dialyzing method and the stability of its drug release after storage for3weeks at4℃was studied as well.RESULTS:Compared with the control group,the testing group showed significant slow-releasing and long-acting effects and the drug release followed the Higuchi(k=4.67%h -1/2 )diffusion model in the first3hours and a zero order drug release model(k=0.74%h -1 )3hours later;The drug release of the control group followed the Higuchi(k=7.18%h -1/2 )diffusion model of within24hours;The drug release model and the envelop rates of the testing group remained stable within the storage date.CONCLUSION:This preparation is characterized by slow drug releasing in vitro and good stability.

The effective quality control in clinical practices is an effective guarantee for the authenticity and scientificity of the findings. The post-marketing reevaluation for traditional Chinese medicines (TCM) focuses on the efficacy, adverse reaction, combined medication and effective dose of drugs in the market by expanded clinical trials, and requires a larger sample size and a wider range of patients. Therefore, this increases the difficulty of quality control in clinical practices. With the experience in quality control in clinical practices for the post-marketing reevaluation for Kangbingdu oral for cold, researchers in this study reviewed the study purpose, project, scheme design and clinical practice process from an overall point of view, analyzed the study characteristics of the post-marketing reevaluation for TCMs and the quality control risks, designed the quality control contents with quality impacting factors, defined key review contents and summarized the precautions in clinical practices, with the aim to improve the efficiency of quality control of clinical practices. This study can provide reference to clinical units and quality control-related personnel in the post-marketing reevaluation for TCMs.
Drugs, Chinese Herbal ; adverse effects ; economics ; therapeutic use ; Humans ; Medicine, Chinese Traditional ; Product Surveillance, Postmarketing ; methods ; Quality Control ; Randomized Controlled Trials as Topic ; Respiratory Tract Infections ; drug therapy

Angiopoietin-like proteins are a family of proteins that are closely related to lipid, glucose and energy metabolism, as well as angiogenesis. To date, eight Angptls have been discovered, namely Angptl1 to Angptl8 that play key roles in metabolic regulation and marker assisted selection. In this review, we summarized current progress on the structure, signaling pathways, upstream regulatory genes and metabolic network of Angptl1-8. Finally, in combination with our work, the status and problems of animal breeding as well as the future prospects for Angptls were discussed.
Angiopoietins ; genetics ; metabolism ; Animals ; Breeding ; Energy Metabolism ; Gene Regulatory Networks ; Glucose ; metabolism ; Lipid Metabolism ; Metabolic Networks and Pathways ; Signal Transduction

Objective To introduce several commonly used puncture techniques for retroperitoneal lymph node metastases in order to provide technical guidance in performing 125I seed implantation therapy. Methods The puncture methods used at authors’ interventional department in performing 125I seed implantation therapy for retroperitoneal lymph node metastases were summarized. Results The commonly used puncture methods included parallel needle puncturing technique , trans-viscera puncturing technique , broadening path puncturing technique and coaxial needle puncturing technique. Conclusion An effective combination use of various puncturing techniques to uniformly implant the radioactive 125I seeds into the lesion can improve the therapeutic result and reduce the occurrence of complications.

Objective To investigate the pharmacological mechanism of LXHX capsule. Methods The skin specimens from psoriasis patients were examined with TUNEL (terminal deoxynucleotidyl trans-ferase-mediated dUTP-biotin nick end labeling) technique to detect the apoptosis of keratinocytes. PCNA (proliferating cell nuclear antigen) detecting kits was used, too. Then, the flow cytometry, with AnnexinV/PI and PI dyeing method, was used to analysis the effect of LXHX capsule on apoptosis in cultured keratinocytes. Results There was an increasing of both cell apoptosis and proliferation in psoriatic epidermis and LXHX capsule could induce apoptosis. Conclusions The keratinocyte apoptosis and proliferation both increased in psoriasis, which reach a new balance in a higher level. LXHX capsule could induce apoptosis in vitro, which may be one of the pharmacological mechanisms of LXHX in treating psoriasis.

Objective To study the clinicopathologic features,effective therapeutic regimen and prognosis of human immunodeficiency virus (HIV) infection with acute promyelocytic leukemia (APL) and chronic myeloid leukemia (CML).Methods Two cases of HIV infection concurrent with leukemia,one with APL,one with CML,were studied and relevant literatures were reviewed.Results Case 1 was HIV infection concurrent with APL,ATO was used to induce remission,in the eight day of therapy,the patient died of brain disorder.Case 2 was HIV infection concurrent with CML,hydroxycarbamide and interferon were used to induce remission,three month later,state of an illness progressed to acute phase,after combination chemotherapy,concurrent with lung multiple infection (fungus and pneumocystis carinii),at last,the patient died of respiratory failure.Conclusion HIV infection concurrent with acute and chronic leukemia has poor therapeutic effect,and is easy to infect seriously.

ObjectiveTo report clinical, pathological and molecular genetic features in a Chinese family with hereditary motor and sensory neuropathy type 6. MethodsThe index case is a 15 years old boy.He developed progressive distal limb weakness at the age of 5.The disease deteriorated slowly,accompanied with contracture of achilles' tendon. At the age of 11 years old he suffered from decrease of visual acuity. At the age of 12, he found the muscular atrophy of both hands without sensory disturbances.Visual evoked potential revealed prolonged latency of bilateral P100. Ophthalmological examination showed bilateral optic atrophy. His mother had the similar symptoms at the age of 7 and reduced visual acuity at the age of 10. Nerve conduction velocity revealed in both pat1ents no compound motor and sensory nerve action potentials in most nerves or slightly reduced nerve conduction velocities with severely reduced amplitudes of the compound motor and sensory nerve action potentials. Sural nerve biopsy was performed on the proband.The sequence of MFN2 gene was analyzed in DNA from the index, his mother and 100 healthy controls.ResultsSural nerve biopsy revealed severe loss of myelinated fibers with few regenerating clusters.Ultrapathological examination showed a few of atypical bulbs of myelinated fibers, occasionally regenerating clusters, mitochondrial swelling and aggregation in a few of axons. A new mutation of W740R mutation in MFN2 gene has been identified in the index case, her mother, but not in 50 healthy controls. Conclusions A novel MFN2 gene mutation result in hereditary motor and sensory neuropathy type 6.Mild visual loss appeares after the lesion of spinal nerves. Demyelination of peripheral nerve appears in the disease.

Objective To evaluate the role of multi-slice computed tomography (MSCT) in the diagnosis of pulmonary sequestration.Methods MSCT scans of 18 cases of pulmonary sequestration proved by surgery and pathology were reviewed.All cases underwent plain and contrast enhanced CT scanning,and retrospective reconstruction was made.Various reconstruction techniques in displaying the pulmonary sequestration and associated malformation were evaluated.Results Anomalous systemic arterial supply was discovered by transverse CT images in 12 cases.The reconstructed images using multiple methods showed the aberrant artery more clearly in all cases,including 6 cases in which the abnormalities were not confirmed by transverse CT.Drainage vein was revealed in 13 cases and lung heteroplasia with other malformation was demonstrated in 14 cases.Volume rendering (VR) reconstruction is the optimal choice for displaying the abnormal vessels and airway.Conclusion Enhanced MSCT with image post-processing can show the abnormal artery and vein of the pulmonary sequestration and the associated malformation,so it is the first choice in diagnosing pulmonary sequestration in pediatric population.