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1.
J La State Med Soc ; 169(2): 53-54, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28414678

RESUMO

INTRODUCTION: A 71 year old Peruvian woman presented with blurry vision and bilateral eye pain and had evidence of bilateral endophthalmitis on eye examination. Her past medical history was notable for multiple abdominal surgeries within the preceding months, including an incarcerated inguinal hernia repair which required an ileostomy placement, and cholecystitis requiring cholecystostomy tube placement. Over her multiple long hospitalizations, she developed bacteremia and fungemia on several occasions, with organisms including Enterobacter cloacae, Klebsiella pneumoniae, Bacteroides fragilis, Pseudomonas aeruginosa, Enterococcus faecium, and Candida albicans. On exam, she was febrile and tachycardic. She had bilateral conjunctival injection, hypopyon, and severely decreased visual acuity. She also had a III/VI harsh holosystolic murmur at the apex. Her lungs were clear to auscultation. Transesophageal echocardiogram revealed severe mitral regurgitation and a 16 x 15 mm mitral valve vegetation and a perforated aneurysmal posterior mitral valve leaflet. The patient underwent bilateral vitrectomy and was treated with flucytosine and ambisome. Blood and vitreous humor cultures were obtained, but remained negative, likely due to being drawn after the patient had been empirically treated with antifungals and antibiotics. She continued to spike fevers and developed heart failure, but refused valve replacement surgery as she wished to return to her home country. DISCUSSION: A systemic source of infection should be sought in the presence of bilateral endophthalmitis. In our case, we suspected seeding from endocarditis or an intra-abdominal infection, given the patient history of multiple complicated abdominal surgeries and recurrent bacteremia and candidemia. Based on the vegetation's large size and bilateral endophthalmitis, we believed Candida was the most likely culprit. Additionally, eye lesions observed during surgery appeared consistent with fungal endophthalmitis. Candida is a rare but very morbid cause of infective endocarditis. Arterial embolization and metastatic infections such as endophthalmitis are more frequent in candidal endocarditis, likely due to the generally larger vegetation size. Valve replacement should be strongly considered regardless of other factors, as some studies have shown a mortality benefit for antifungals and surgery compared to antifungals alone. In cases in which valve replacement is not feasible, the patient should be kept on lifelong suppressive antifungal therapy.

2.
J La State Med Soc ; 169(2): 56, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-28414685

RESUMO

INTRODUCTION: Abstinence-only sexuality education (AOSE); is required in the public school systems of many states, raising public health concerns and perpetuating health disparities through school systems. This study aimed to determine the correlations between state-mandated AOSE and the rates of adolescent HIV and teen pregnancy. METHODS: Using publicly available data on all 50 United States' laws and policies on AOSE, states were ranked according to their level of abstinence emphasis on sexuality education (Level 0 - Level 3);. We calculated the relative proportion of Black students in public schools and the proportion of families below the federal poverty line then ranked them by state. We compared the states' ranks to the incidence of adolescent HIV and teen pregnancy in those states to identify associations between variables. RESULTS: The majority of states (~44 percent ); have legally mandated AOSE policies (Level 3); and adolescent HIV and teen pregnancy rates were highest in these Level 3 states. There were significant, positive correlations between HIV incidence rates of 13-19 year olds, HIV rates of 20-24 year olds, teen pregnancy rates, and AOSE level, with the proportion of the population that lives below the federal poverty level, and whether they attended schools that had a greater than 50 percent of an African American population. DISCUSSION: These data show a clear association between state sexuality education policies and adolescent HIV and teen pregnancy rates not previously demonstrated. Our data further show that states that have higher proportions of at-risk populations, with higher adolescent HIV and teen pregnancy rates, are more likely to also have restrictive AOSE policies. These populations may be more likely to attend public schools where AOSE is taught, increasing their risk for HIV and teen pregnancy. The World Health Organization considers fact-based Comprehensive Sexuality Education a human right, and the authors believe it is past time to end harmful, discriminatory sexuality education policies in US public schools.

3.
Lett Appl Microbiol ; 33(1): 84-8, 2001 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-11442822

RESUMO

AIMS: A mouse model of vancomycin-resistant enterococcus (VRE) stool colonization was used to study the effect of Bacillus coagulans, a biotherapeutic agent, on the density of colonization. METHODS AND RESULTS: VRE-colonized mice received orally administered B. coagulans (107 cfu) or saline daily for four days. For one VRE strain, the density of VRE at one and four days after treatment was 1.4 log10cfu x g(-1) lower in experimental vs. control mice (P=0.03), and 35% of experimental vs. 0% of control mice had no detectable VRE four days after treatment (P=0.03). For two additional strains, there was no statistically significant reduction of VRE density in the B. coagulans groups. CONCLUSION: B. coagulans therapy reduced the density of colonization for one of three VRE strains tested. SIGNIFICANCE AND IMPACT OF THE STUDY: This study suggests a potential role for biotherapeutic agents as a means to reduce the density of VRE intestinal colonization.


Assuntos
Antibiose , Bacillus/fisiologia , Enterococcus/crescimento & desenvolvimento , Fezes/microbiologia , Resistência a Vancomicina , Animais , Antibacterianos/farmacologia , Bacillus/efeitos dos fármacos , Enterococcus/efeitos dos fármacos , Masculino , Camundongos , Testes de Sensibilidade Microbiana
4.
Lymphology ; 33(2): 58-61, 2000 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-10897471

RESUMO

The present study evaluated the effects of tissue massage on a part of the body remote from the region of lymph uptake into the initial lymphatics. Lymph uptake was assessed with a fluorescent probe placed in a potential space of the lower extremity of anesthetized female Sprague-Dawley rats. Tail blood was assayed at intervals over 15 hours for fluorescence. A total of 63 animals were utilized (treatment = 32 and control = 31). The manipulated group received lymph flow enhancing treatment (LFET) five minutes per rat per hour until they were aroused. The control group were left lying prone in cages until a blood sample was taken. The LFET procedure was bilateral finger pressure applied to the lower ribs of a supine rat followed immediately by a light tap to the sternum. These maneuvers were repeated for 5 minutes. The rate of appearance of fluorescent probe was greater during the first nine hours of the experiment in the treatment group than in the controls but not at hours 12 and 15. This study demonstrates that mechanical pressure to body regions physically distant from the location of lymph formation enhances lymph uptake.


Assuntos
Linfa/fisiologia , Massagem , Tórax , Animais , Feminino , Pressão , Ratos , Ratos Sprague-Dawley
5.
J Child Psychol Psychiatry ; 41(3): 333-44, 2000 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-10784080

RESUMO

Although young children with conduct disorder (CD) are suspected of having verbal and executive function deficits, most studies that investigated this hypothesis did not control for attention deficit hyperactivity disorder (ADHD). Furthermore, relatively little is known about the interaction between cognitive deficits and familial factors in explaining the onset and persistence of CD in children. The participants in this study were 57 children with CD and 35 controls aged 7 to 12 years. At 1-year follow-up, 41 of the participants with CD were reassessed. Children with CD were found to be significantly impaired in four of five executive function measures after ADHD symptoms and socioeconomic status (SES) were controlled. Executive function test performance, number of ADHD symptoms, and familial characteristics (SES, parental punishment) together correctly classified 90% of the participants. Only the number of ADHD symptoms was found to significantly improve prediction of CD 1 year later beyond that afforded by number of CD symptoms a year earlier. Findings indicate that children with CD and ADHD symptoms are especially at risk for persistent antisocial behaviour. Results also highlight the importance of treatment programs that cover both cognitive and familial aspects associated with CD.


Assuntos
Transtornos Cognitivos/psicologia , Transtorno da Conduta/etiologia , Família/psicologia , Criança , Transtornos Cognitivos/diagnóstico , Transtorno da Conduta/diagnóstico , Feminino , Seguimentos , Humanos , Masculino , Testes Neuropsicológicos , Pais/psicologia , Índice de Gravidade de Doença , Fatores Socioeconômicos , Inquéritos e Questionários
6.
J Abnorm Child Psychol ; 27(3): 225-36, 1999 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-10438188

RESUMO

The purpose of this study was to determine whether an association exists between neuropsychological deficits and conduct disorder (CD) with and without concurrent attention-deficit-hyperactivity disorder (ADHD). In addition, we explored the differential neuropsychological performance of aggressive and nonaggressive CD adolescents and the combined effect of this behavioral status and ADHD on performance. Fifty-nine adolescents (mean age of 15.4 years) who met the criteria for CD were compared with 29 controls comparable in age, gender, and socioeconomic status. A neuropsychological battery of current tests measuring executive functions and a battery of language tests were used in the study. Multivariate analyses showed that, compared with controls, CD adolescents had significantly lower verbal skills but did not differ on executive function measures. However, the lower verbal performance of CD adolescents is not explained by the existence of a CD subgroup with concomitant ADHD or aggressiveness. The study confirms with a sample of CD adolescents the association between verbal deficits and antisocial behavior when socioeconomic status is controlled. Our results also demonstrate that CD per se can be a sufficient condition for such deficits.


Assuntos
Agressão/psicologia , Transtorno do Deficit de Atenção com Hiperatividade/psicologia , Cognição , Transtorno da Conduta/complicações , Adolescente , Transtorno da Personalidade Antissocial/etiologia , Feminino , Humanos , Masculino , Comportamento Social , Comportamento Verbal
7.
Theriogenology ; 51(4): 699-708, 1999 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-10728995

RESUMO

Depriving the ovary of exogenous FSH for 1, 2 or 3 d following a bolus injection of FSH was shown to influence the quality of the recovered oocytes. Thus, we compared the developmental competence of oocytes from heifers which had been stimulated for 3 d with FSH (Folltropin-V) and, after an interval of 36, 48 or 60 h, underwent blind transvaginal aspiration. The ovaries of heifers with a palpable or functional corpus luteum were aspirated to remove all large follicles 2 d prior to being injected with either 6 doses of saline (S), 6 doses (20 mg/mL) of FSH (F), or in 6 decreasing doses of FSH (3, 3, 2, 2, 1, 1 mL; Fd). Follicles were counted and classified (medium: 5 to 10 mm, large: >10 mm) with ultrasonography before each aspiration. The oocytes recovered were classified, matured, fertilized, and developed in vitro. On a per animal basis, 1.5, 5.2 and 4.7 large and 1.5, 10.7 and 10.7 medium follicles were counted for S, F and Fd, respectively. A mean of 3.3, 9.1 and 7.7 oocytes was recovered for treatments S, F and Fd, respectively and 58, 94 and 82% were enclosed in a nonexpanded cumulus or a corona layer. Oocyte development rates were based on counts of embryos with 32 or more nuclei at Day 6.5. When oocytes were recovered 36 h after the last injection, an average of 1, 2.7 and 2 embryos per animal was obtained with S, F and Fd, respectively; at 48 h, 0.75, 4.25 and 1 embryo; and at 60 h, 0, 2.5 and 2.7 embryos. Variance analysis was performed, and the protected LSD test indicated that treatment F at 48 h resulted in a significantly higher embryo rate than Fd at 48 h (P<0.05) or S (all times; P<0.05). The reduced effect of the Fd regimen could be due to the decreasing FSH support during follicular growth or to the lower total amount of FSH given. In conclusion, these results indicate an advantage of using moderate (3 d) follicle stimulation followed by a period of FSH starvation to obtain optimal embryo production.


Assuntos
Bovinos/crescimento & desenvolvimento , Hormônio Foliculoestimulante/farmacologia , Oócitos , Ovário/crescimento & desenvolvimento , Coleta de Tecidos e Órgãos/veterinária , Animais , Feminino , Fertilização in vitro/veterinária , Hormônio Foliculoestimulante/administração & dosagem , Ovário/efeitos dos fármacos , Fatores de Tempo
8.
Biophys J ; 70(2): 948-61, 1996 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-8789112

RESUMO

In purple membrane added with general anesthetics, there exists an acid-base equilibrium between two spectral forms of the pigment: bR570 and bR480 (apparent pKa = 7.3). As the purple 570 nm bacteriorhodopsin is reversibly transformed into its red 480 nm form, the proton pumping capability of the pigment reversibly decreases, as indicated by transient proton release measurements and proton translocation action spectra of mixture of both spectral forms. It happens in spite of a complete photochemical activity in bR480 that is mostly characterized by fast deprotonation and slow reprotonation steps and which, under continuous illumination, bleaches with a yield comparable to that of bR570. This modified photochemical activity has a correlated specific photoelectrical counterpart: a faster proton extrusion current and a slower reprotonation current. The relative areas of all photocurrent phases are reduced in bR480, most likely because its photochemistry is accompanied by charge movements for shorter distances than in the native pigment, reflecting a reversible inhibition of the pumping activity.


Assuntos
Bacteriorodopsinas/química , Bacteriorodopsinas/efeitos da radiação , Equilíbrio Ácido-Base , Anestésicos Gerais , Fenômenos Biofísicos , Biofísica , Condutividade Elétrica , Eletroquímica , Halobacterium/química , Halobacterium/efeitos da radiação , Concentração de Íons de Hidrogênio , Luz , Fotoquímica , Bombas de Próton/química , Bombas de Próton/efeitos da radiação , Espectrofotometria
9.
Sante Ment Que ; 21(2): 73-92, 1996.
Artigo em Francês | MEDLINE | ID: mdl-9052264

RESUMO

Programs for the social and professional rehabilitation of people suffering from mental illness are more or less successful. A substantial proportion of people cannot with this help, find or maintain a job; moreover many prematurely leave their rehabilitation program. This retrospective study attempts to identify variables associated to 1) the fact of completing the program and related to 2) maintaining a working activity in a regular environment, once the program is completed. The research is conducted with 67 people registered in an apprenticeship of working habilities program. The study shows that the fact of being in a first stage of socioprofessional rehabilitation is associated with participants staying in the program. The time spent in the program and the participants' level of education are also related to the success of integration. Variables regarding diagnosis are not associated to the different trajectories of the people. Suggestions to adjust intervention are proposed in this paper.


Assuntos
Ajustamento Social , Humanos , Serviço Social em Psiquiatria
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