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etiological factors of Infective Endocarditis in Children Aged 1 Month to 15 Years Hospitalised in the Paediatric Department of CHU Gabriel Touréof Bamako (Mali)

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World Journal of Cardiovascular Surgery 2022年第2期12卷 13-20页

作者： Maiga Belco Sacko Karamoko Konaté Djéneba Diakité Abdoul Aziz Dembélé Adama Cissé Mohamed Elmouloud DansoKo Nassira Traoré Kalilou Togo Pierre Doumbia Abdou Karim Traoré Fousseini Diakité Fatoumata Léonie Sidibé Lalla Maiga Leila Ahmadou Ibrahim Coulibaly Oumar Diall Hawa Sylla Mariam Department of Pediatrics CHU Gabriel Touré Bamako Mali

Introduction: In emerging countries where studies are rarer, the epidemiological profile of infective endocarditis resembles that of developed countries at the beginning of the antibiotic era. There is little data available in Mali on this subject, motivating this study, the aim of which was to study the etiological factors of infective endocarditis in children aged between 1 month and 15 years hospitalised in the paediatric department of the CHU Gabriel Touré. Patients and Methods: We conducted a cross-sectional and descriptive study, which took place from August 2018 to August 2019 (13 months), in children aged between 1 month and 15 years hospitalised in the paediatric department of the Gabriel Touré University Hospital with an ultrasound- confirmed cardiac disease and a temperature above 38°C. Results: The hospitalization rate was 0.4%. The average age was 11 months, the sex ratio was 1.35. Respiratory distress (63.6%) and fever (30.3%) were the most common reasons for referral. Congenital heart disease (87.9%) and dyspnoea on feeding (24.2%) were the most common medical histories. IVC was the most frequent congenital heart disease (36.4%). The mean temperature was 39.1°C. Blood cultures were taken in 24 patients (72.7%) and were positive in 27.3%. Staphylococcus aureus was found in 55.6% of cases. Trans-thoracic ultrasound found vegetations in 03 cases. According to the modified DUKE criteria, the diagnosis of endocarditis was retained in 27.30%. The evolution was marked by a high case fatality rate (45.45%). Conclusion: Endocarditis is an uncommon disease in children with a pulmonary portal of entry and Staphylococcus aureus as the main germ. Its mortality remains high.

关键词： Infective Endocarditis etiological factors Pediatrics Bamako

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Traditional Chinese Medicine etiology and pathogenesis of acquired immune deficiency syndrome in simian immunodeficiency virus-infected Chinese rhesus macaques

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Journal of Traditional Chinese Medicine 2012年第4期32卷 609-615页

作者： Maoqing Li Linchun Fu Yinjie Hu Miaomiao Zhang Jinyang He Zhixi Chen Jinyan Chen Tropical Medicine Institute Guangzhou University of Chinese Medicine Department of Nuclear Medicine Guangzhou University of Chinese MedicineBaiyun District

OBJECTIVE： To investigate the traditional Chinese Medicine （TCM） etiology and pathogenesis of ac- quired immune deficiency syndrome （AIDS） by 18-month observation of Chinese rhesus macaques infected with simian immunodeficiency virus （SIV） mac239. METHODS： Thirty-five healthy Chinese rhesus ma- caques were divided into a model group （n=30） and a control group （n=5）. The model was estab- lished by inoculating monkeys intravenously with SIVmac239. Changes in TCM symptoms after SIV in- fection within 18 months were then observed and recorded. Routine blood tests, SIV viral load, T-lym-phocyte subsets, plasma triiodothyronine （T3）, tet- raiodothyronine （14）, adrenocorticotropic hormone （ACTH） and cortisol （Cor） were tested periodically during the experiment. RESULTS： During the acute infection period of SIV, model monkeys temporarily showed clinical symp- toms such as diarrhea, dysphoria and slight weight loss. Decrease percentages of CD4~ T-lymphocytes were observed but levels of T3, 14, Cot, and ACTH were relatively unchanged. Monkeys in the model group during the early and middle periods of infec- tion showed no obvious symptoms, except few monkeys exhibited transient diarrhea and reduced food intake. All variables at this stage showed nor- mal fluctuations. In the middle period model group monkeys showed chronic and persistent diarrhea, weight loss, reduced food intake and low levels of 13 and Cot. In the late period, symptoms including emaciation, weight loss, listlessness, crouching in corners and low levels of T3appeared. CONCLUSION： The results suggest that the rhesus monkey SIWSAIDS model can be applied to re- search on TCM etiology and pathogenesis of AIDS. According to this model, the etiology of disease is the SIV virus. The pathogenesis manifests as the in- vasion of SIV virus, incubation of the virus, balance between virus and healthy ＂Qi＂, damage to spleen and kidney as the disease progressed, exhaustion of vitality and finally the failure of five zang an

关键词： Acquired immunodeficiency syndrome etiological factors Pathogenesis Simian im-munodeficiency virus Macaca mulatta

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Classification of musical hallucinations and the characters along with neural-molecular mechanisms of musical hallucinations associated with psychiatric disorders

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World Journal of Psychiatry 2024年第9期14卷 1386-1396页

作者： Xin Lian Wei Song Tian-Mei Si Naomi Zheng Lian Department of Radiology and Biomedical Imaging Shanxi Bethune HospitalShanxi Academy of Medical SciencesTaiyuan 030032Shanxi ProvinceChina Department of Psychiatry and Behavioral Neurosciences McMaster UniversityHamilton L8S 4L8ONCanada Department of Psychopharmacology Peking University Sixth HospitalBeijing 100191China Department of Psychiatry Hartford HealthCareSt Vincent’s Medical CenterWestportCT 06088United States

BACKGROUND Musical hallucinations(MH)involve the false perception of music in the absence of external stimuli which links with different *** pathomechanisms of MH encompass various *** etiological classification of MH is of particular importance and offers valuable insights to understand MH,and further to develop the effective treatment of *** the recent decades,more MH cases have been reported,revealing newly identified medical and psychiatric causes of *** imaging studies reveal that MH activates a wide array of brain *** up-to-date analysis on MH,especially on MH comorbid psychiatric conditions is *** To propose a new classification of MH;to study the age and gender differences of MH in mental disorders;and neuropathology of *** Literatures searches were conducted using keywords such as“music hallucination,”“music hallucination and mental illness,”“music hallucination and gender difference,”and“music hallucination and psychiatric disease”in the databases of PubMed,Google Scholar,and Web of *** cases were collected and categorized based on their *** t-test and ANOVA were employed(Petiological *** neuroimaging studies of neural networks regulating MH and their possible molecular mechanisms were *** Among the 357 yielded publications,294 MH cases were *** average age of MH cases was 67.9 years,with a predominance of females(66.8%females vs 33.2%males).MH was classified into eight groups based on their etiological *** analysis of MH cases indicates varying associations with psychiatric *** We carried out a more comprehensive review of MH *** the first time according to our knowledge,we demonstrated the psychiatric conditions linked and/or associated with MH from statistical,biological and molecular point of view.

关键词： Pathomechanism etiological factors Classification Gender difference Neuropathway Psychotic musical hallucination and non-psychotic musical hallucination Neuropathway Biological and molecular mechanism

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Structure and Composition of Non-Infectious Phosphate Calculi Formed in Patients with Low and High Urinary Phosphate Concentrations

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Open Journal of Urology 2013年第1期3卷 12-20页

作者： Felix Grases Otakar Sohnel Isabel Gomila Laboratory of Renal Lithiasis Research University Institute of Health Sciences Research(IUNICS)University of Balearic IslandsPalma de MallorcaSpain University of Jan Evangelista Purkyne Faculty of Environmental StudiesUsti nad LabemCzech Republic

Objective: The aim of this paper was to assess the relationships among chemical, phase and structural composition and?etiopathogenic factors of non-infectious phosphate calculi formed in patients with low and high urinary phosphate concentrations, and to characterize the mechanism of their formation related on biochemical results. Material and Methods: Twelve samples of phosphate renal calculi were obtained, 4 from patients with low phosphaturia and 6 from patients with high urinary phosphate concentrations. Their chemical composition was determined qualitatively by energy dispersive X-ray analysis and quantitatively by spectrophotometric and thermal analysis;and their phase composition was determined by Fourier transform infrared transmission spectroscopy and X-ray diffraction. The structure of the calculi was assessed by scanning electron microscopy. Results: Non-infectious phosphate renal calculi of patients with low phosphaturia consist of poorly crystalline carbonate hydroxyapatite, whereas those of patients with high urinary phosphate concentrations consist of poorly crystalline hydroxyapatite with some amount of calcium oxalate crystals. Calculi of patients with high urinary phosphate concentrations are formed at urinary supersaturation with respect to hydroxyapatite and calcium oxalate about 4 times higher than in patients with low phosphaturia. Conclusion: In patients with low phosphaturia, the non-infectious phosphate renal calculi are formed in urine near pH 7 and contain only poorly crystalline carbonate hydroxyapatite. In patients with high urinary phosphate concentrations and hypercalciuria, the calculi are formed in urine near pH 6 and consist of both poorly crystalline hydroxyapatite and some amount of calcium oxalate crystals.

关键词： Non-Infectious Phosphate Renal Calculi Phosphaturia Calciuria etiological factors

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