Medical and Biomedical Researches

Therapeutic window of hyperbaric oxygen therapy for hypoxic-ischemic brain damage in newborn rats.

June 29th, 2008
Therapeutic window of hyperbaric oxygen therapy for hypoxic-ischemic brain damage in newborn rats. Previous studies showed that hyperbaric oxygen (HBO) promoted cell proliferation in hypoxic-ischemic (HI) neonate rats. Neural stem cells (NSC) existed in the brain lifelong and can be activated. This study was undertaken to ...

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Cannabinoids and hamster circadian activity rhythms.

June 29th, 2008
Cannabinoids and hamster circadian activity rhythms. Circadian activity rhythms in hamsters are entrained to the daily light:dark cycle by photic information arriving from the retina to the suprachiasmatic nucleus, the site of the master circadian pacemaker in mammals. The effects of light on adjusting the timing ...

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Randomized, Placebo-Controlled, Crossover Trial of Memantine for Cognitive Changes with Corticostero

June 29th, 2008
Randomized, Placebo-Controlled, Crossover Trial of Memantine for Cognitive Changes with Corticosteroid Therapy. BACKGROUND: In animal models, corticosteroids are associated with changes in hippocampal structure and functioning that are prevented by glutamate release inhibitors or N-methyl-D-aspartate (NMDA) receptor antagonists. Cushing\'s disease and prescription corticosteroid administration are also ...

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Expression and processing of small integrin-binding ligand N-linked glycoproteins in mouse odontobla

June 29th, 2008
Expression and processing of small integrin-binding ligand N-linked glycoproteins in mouse odontoblastic cells. OBJECTIVE: Small integrin-binding ligand N-linked glycoproteins (SIBLINGs) are expressed in dentin and believed to control dentinogenesis. Five members of SIBLING family include bone sialoprotein (BSP), osteopontin (OPN), matrix extracellular phosphoglycoprotein (MEPE), dentin matrix ...

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[False aneurysm of left ventricle after nonpenetrating chest trauma (about one case).]

June 29th, 2008
[False aneurysm of left ventricle after nonpenetrating chest trauma (about one case).] Ischemic heart disease is the most common etiology of aneurysms of the left ventricle. The latter can also result from trauma. We report a case of a patient operated for false aneurysm of the ...

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Impending paradoxical embolism When and how to treat?

June 29th, 2008
Impending paradoxical embolism When and how to treat? Impending paradoxical embolism (IPDE) is the presence of an entrapped thrombus through the patent foramen ovale (PFO). Usually IPDE are diagnosed by echocardiography or thoracic CT-scan performed during the evaluation of patient presenting with a suspicion of pulmonary ...

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Human study and experimental behavior of Schistosoma mansoni isolates from patients with different c

June 29th, 2008
Human study and experimental behavior of Schistosoma mansoni isolates from patients with different clinical forms of schistosomiasis. Twenty Schistosoma mansoni strains were isolated from three groups of patients (intestinal, hepatointestinal and hepatosplenic clinical forms) born and living in the town of Capitão Andrade, Minas Gerais, Brazil. ...

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Production of concentrates of bacterial bio-insecticide Bacillus thuringiensis var. israelensis by f

June 29th, 2008
Production of concentrates of bacterial bio-insecticide Bacillus thuringiensis var. israelensis by flocculation/sedimentation. Flocculation/sedimentation of Bacillus thuringiensis var. israelensis (Bti) using flocculating agents has been studied. Batch cell production was performed in an agitated tank, and the flocculation assays were carried out in jar tests. Flocculent suspensions ...

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Immuno-epidemiology of Schistosoma mansoni infections in endemic populations co-infected with soil-t

June 29th, 2008
Immuno-epidemiology of Schistosoma mansoni infections in endemic populations co-infected with soil-transmitted helminths: Present knowledge, challenges, and the need for further studies. This article reviews studies on epidemiological and immunological interactions between Schistosoma mansoni and soil-transmitted helminths (STH) in co-infected patients from endemic areas. In Brazil, co-infections ...

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Aging and immune response in chronic human schistosomiasis.

June 29th, 2008
Aging and immune response in chronic human schistosomiasis. There has been no systematic study of the immune response of individuals over 60 residing in areas endemic for Schistosoma mansoni infection although senescence is reportedly associated with susceptibility to infection and progressive decline in immune function. We ...

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Inhibition of return in subliminal letter priming.

June 29th, 2008
Inhibition of return in subliminal letter priming. The present study combined exogenous spatial cueing with masked repetition priming to study attentional influences on the processing of subliminal stimuli. Participants performed an alphabetic decision task (letter versus pseudo-letter classification) with central targets and briefly presented peripherally located ...

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Acute lung injury and other serious complications of Plasmodium vivax malaria.

June 29th, 2008
Acute lung injury and other serious complications of Plasmodium vivax malaria. Plasmodium vivax infection is classified among the so-called benign malarias, but it is increasingly recognised that serious and even life-threatening complications may occur. We present the case of a returning traveller with P vivax infection ...

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Haemophilus influenzae type b conjugate vaccine use and effectiveness.

June 29th, 2008
Haemophilus influenzae type b conjugate vaccine use and effectiveness. Haemophilus influenzae type b (Hib) is an important cause of invasive bacterial disease in children, including meningitis and pneumonia. The introduction of Hib conjugate vaccines into routine vaccination schedules has contributed to a substantial reduction in the ...

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Overcrowding and understaffing in modern health-care systems: key determinants in meticillin-resista

June 29th, 2008
Overcrowding and understaffing in modern health-care systems: key determinants in meticillin-resistant Staphylococcus aureus transmission. Recent decades have seen the global emergence of meticillin-resistant Staphylococcus aureus (MRSA), causing substantial health and economic burdens on patients and health-care systems. This epidemic has occurred at the same time that ...

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Epidemic typhus.

June 29th, 2008
Epidemic typhus. Epidemic typhus is transmitted to human beings by the body louse Pediculus humanus corporis. The disease is still considered a major threat by public-health authorities, despite the efficacy of antibiotics, because poor sanitary conditions are conducive to louse proliferation. Until recently, Rickettsia prowazekii, the ...

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Minimally invasive surgical repair of pectus excavatum.

June 29th, 2008
Minimally invasive surgical repair of pectus excavatum. The minimally invasive repair of pectus excavatum has become widely accepted. The number of patients presenting for repair has increased dramatically. There have been many technical improvements over 20 years that have made the procedure much safer and more ...

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Pectus deformities: A review of open surgery in the modern era.

June 29th, 2008
Pectus deformities: A review of open surgery in the modern era. Pectus deformities represent a spectrum of relatively common congenital chest malformations. The adoption of less invasive techniques has renewed interest in surgical repair by both patients and clinicians. The aim of this review is to ...

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Dynamic compression system for the correction of pectus carinatum.

June 29th, 2008
Dynamic compression system for the correction of pectus carinatum. Between April 2001 and 2007, we treated 208 patients with pectus carinatum by using a specially designed dynamic compression system (DCS) that uses a custom-made aluminum brace. Recently, an electronic pressure measuring device was added to the ...

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Pectus excavatum: historical background, clinical picture, preoperative evaluation and criteria for

June 29th, 2008
Pectus excavatum: historical background, clinical picture, preoperative evaluation and criteria for operation. Pectus excavatum is a depression of the sternum and costal cartilages which may present at birth, or more commonly during the teenage growth spurt. Symptoms of lack of endurance, shortness of breath with exercise, ...

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Chest wall tumors in childhood and adolescence.

June 29th, 2008
Chest wall tumors in childhood and adolescence. Chest wall tumors in childhood and adolescence can be very heterogeneous and may appear at any age from infancy to late adolescence. They can be benign or malignant and secondary or primary. A careful history and physical examination should ...

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Jeune’s syndrome (asphyxiating thoracic dystrophy): congenital and acquired.

June 29th, 2008
Jeune\'s syndrome (asphyxiating thoracic dystrophy): congenital and acquired. Familial asphyxiating thoracic dystrophy (ATD), also known as Jeune\'s syndrome, is a rare autosomal recessive disorder with variable severity and multiple musculo-skeletal manifestations. Respiratory distress may be severe, resulting in death during infancy. Surgical repair techniques have typically ...

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Poland’s syndrome.

June 29th, 2008
Poland\'s syndrome. The main purpose of surgical correction in Poland\'s syndrome is to improve chest wall symmetry and correct breast hypoplasia. Creation of an anterior axillary fold and smoothing out the infraclavicular defect greatly improves the final result. Cardiorespiratory function may be impaired, but serious conditions ...

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Embryology, sternal clefts, ectopia cordis, and Cantrell’s pentalogy.

June 29th, 2008
Embryology, sternal clefts, ectopia cordis, and Cantrell\'s pentalogy. Sternal clefts, ectopia cordis, and Cantrell\'s pentalogy continue to be very rare congenital anomalies in pediatric surgery. Unfortunately, these conditions present as neonatal emergencies and demand early surgical intervention. This article reviews the embryological development of the chest ...

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Unexplained chronic anemia and leukopenia in lung transplant recipients secondary to parvovirus B19

June 29th, 2008
Unexplained chronic anemia and leukopenia in lung transplant recipients secondary to parvovirus B19 infection. Parvovirus B19 (PVB) is a non-enveloped, single-stranded DNA virus of the Parvoviridae family pathogenic to humans. Despite numerous case reports of pure red cell aplasia in lung transplant (LT) recipients after PVB ...

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Multidrug-resistant Acinetobacter baumannii pneumonia in lung transplant recipients.

June 29th, 2008
Multidrug-resistant Acinetobacter baumannii pneumonia in lung transplant recipients. We present 6 cases of multidrug-resistant (MDR) Acinetobacter baumannii pneumonia in lung transplant recipients. All cases were treated with imipenem and/or non-traditional antibiotics, such as tigecycline and colistimethate, and had different microbiologic and clinical outcomes. Prior treatment with ...

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