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  • 1
    Online Resource
    Online Resource
    SAGE Publications ; 2007
    In:  Human & Experimental Toxicology Vol. 26, No. 4 ( 2007-04), p. 311-319
    In: Human & Experimental Toxicology, SAGE Publications, Vol. 26, No. 4 ( 2007-04), p. 311-319
    Abstract: The aim of the present study was to examine the effects of acute alcohol intoxication on the spatial distribution of visual attention measured with simple reaction times (RTs) to targets presented over an extended region of the visual field. Control (n =10) and alcohol groups (n =14) were tested with the same protocol. Participants were tested in two different conditions; in Experiment I, participants were instructed to direct their visual attention to the centre, while in Experiment II they were asked to orient their attention covertly to both right and left, but not to the centre. Throughout participants were required to fixate a small cross in the centre of the computer screen. In the alcohol group, participants received an alcohol dose of 0.4 g/kg so as to produce a blood alcohol concentration (BAC) in the range of 0.08% during the experiments. The spatial distribution of RTs was analysed graphically with geostatistical methods and statistically through analysis of variance of particular regions of the visual field. Results showed that controls were able to direct their attention tightly towards the centre (Expt I) and also to divide attention (Expt II) to the right and left. Participants in the alcohol group fixed their attention more diffusely in the centre (Expt I) and were unable to disengage attention from the centre in Experiment II. We conclude that acute alcohol intoxication impairs the ability to dissociate attention from gaze. Human & Experimental Toxicology (2007) 26, 311-319
    Type of Medium: Online Resource
    ISSN: 0960-3271 , 1477-0903
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2007
    detail.hit.zdb_id: 1483723-7
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  • 2
    In: Journal of Pharmacy Practice, SAGE Publications, Vol. 34, No. 3 ( 2021-06), p. 365-371
    Abstract: Rheumatoid arthritis (RA) is associated with high frequency of comorbidities and increased risk of polypharmacy. Although there is a great potential for complications, there is a gap in literature on polypharmacy in patients with rheumatic arthritis. Objective: To evaluate the prevalence and factors associated with polypharmacy in a population in a real-life setting. Methods: A cross-sectional multicenter study was conducted in Brazil. Patients underwent clinical evaluation and medical records analysis. Polypharmacy was considered as a dependent variable. To test independent variables, we used Poisson regression. Results: We evaluated 792 patients (89% female, median age 56.6 years). Median duration of disease was 12.7 years, 78.73% had a positive rheumatoid factor. The median of disease activity score-28 was 3.5 (disease with mild activity), median of the clinical disease activity index score was 9, and median of health assessment questionnaire-disability index was 0.875; 47% used corticosteroids, 9.1% used nonsteroidal anti-inflammatory drugs, 90.9% used synthetic disease-modifying antirheumatic drugs, 35.7% used biologic disease-modifying antirheumatic drugs (DMARDs). In total, 537 (67.9%) patients used 5 or more drugs. Polypharmacy showed a relationship with a number of comorbidities and use of specific drugs (corticosteroids, methotrexate, and biological DMARDs). Conclusion: We found a high prevalence of polypharmacy (67.9%) in RA. Solutions to management this problem should be stimulated.
    Type of Medium: Online Resource
    ISSN: 0897-1900 , 1531-1937
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2021
    detail.hit.zdb_id: 2131091-9
    SSG: 15,3
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  • 3
    Online Resource
    Online Resource
    SAGE Publications ; 2023
    In:  Journal of Scleroderma and Related Disorders Vol. 8, No. 1 ( 2023-02), p. 79-84
    In: Journal of Scleroderma and Related Disorders, SAGE Publications, Vol. 8, No. 1 ( 2023-02), p. 79-84
    Abstract: This case–control study analyzed risk factors for symptomatic fractures in a group of 52 patients with systemic sclerosis compared with a group of 104 patients without fractures, matched for sex and age, who were attended at a single systemic sclerosis outpatient clinic from 2010 to 2020. Fractures affected predominantly vertebral (65.4%), rib (13.5%), and hip (7.7%) joints, while the mean age of fracture was 55.3 ± 9.5 years. Age at disease onset, age at diagnosis, disease duration, age at menarche, and age at menopause were similar in both groups, and 58.9% of the patients were menopausal at the time of the fracture. The presence of fractures had a significant association with densitometric osteoporosis (p  〈  0.001), lower weight (p = 0.032), and bone mineral index (p = 0.044), anti-RNA polymerase III (p = 0.040), use of corticosteroids (p = 0.019), and bisphosphonates (p  〈  0.001), as well as with densitometric T-scores of lumbar spine (p  〈  0.001), femoral neck (p = 0.025), and total hip (p = 0.013). Multivariate analysis showed that the variables significantly associated with fractures were high doses of corticosteroids (odds ratio = 4.10; 95% confidence interval = 1.290–13.090; p = 0.017), bisphosphonates (odds ratio = 3.91; 95% confidence interval = 1.699–8.984; p = 0.001), negative anti-Scl70 (OR = 0.34; 95% confidence interval = 0.124–0.943; p = 0.038), and lumbar T-score (odds ratio = 0.39; 95% confidence interval = 0.034–0.460; p = 0.010). In conclusion, symptomatic fractures were associated predominantly with lower bone mineral density of lumbar spine and use of high doses of corticosteroids and bisphosphonates in this cohort.
    Type of Medium: Online Resource
    ISSN: 2397-1983 , 2397-1991
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2023
    detail.hit.zdb_id: 2964332-6
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  • 4
    In: Clinical Medicine Insights: Oncology, SAGE Publications, Vol. 7 ( 2013-01), p. CMO.S12243-
    Abstract: Primary synovial sarcoma (SS) of the kidney is a rare neoplasm and its presenting features are similar to other common renal tumors, making early diagnosis difficult. To date, few cases have been reported in the literature. Primary renal SSs can exist in either a monophasic or a biphasic pattern, the former being more common and tending to have a better prognosis than the biphasic variant. Herein we describe a case of primary renal SS that was diagnosed based on histopathology and immunohistochemistry after radical nephrectomy. Fusion gene product analysis was also done by FISH and RT-PCR. Patient follow-up and literature review are presented, focused on systemic therapy. We highlight that these tumors should be correctly diagnosed as clinical results and specific treatment are distinct from primary epithelial renal cell carcinoma. Adjuvant chemotherapy should be tailored for each patient in the management of disease, although its role still remains unclear.
    Type of Medium: Online Resource
    ISSN: 1179-5549 , 1179-5549
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2013
    detail.hit.zdb_id: 2577877-8
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  • 5
    In: Natural Product Communications, SAGE Publications, Vol. 13, No. 2 ( 2018-02), p. 1934578X1801300-
    Abstract: Kalanchoe pinnata (Crassulaceae) is a medicinal plant distributed in several areas of the World. Their leaves have been used, in folk medicine, for anxiety and sleep disorders among other proposes. Chemically, this plant is composed by organic acids, flavonoids, bufadienolides, triterpenoids and some ubiquitous compounds. In this study, the fresh leaves of K. pinnata were extracted in an accelerated solvent extraction (ASE) system using H 2 O (cold and hot) as well as with EtOH:H 2 O 1:1. The obtained crude extracts were analyzed by HPLC-UV-MS. As a result, were identified organic acids and flavonoids, these being quercetin-3- O-α-L-arabinopyranosyl-(1→2)-α-L-rhamnopyranoside, kaempferol-3- O-α-L-arabinopiranosyl-(1→2)-α-L-rhamnopyranoside, quercitrin, and trans- p-coumaryl glutaric acid the main compounds in the studied extracts. Obtained results revealed the predominance of flavonoids in extracts prepared using hot H 2 O (70 26 α 2.19%) or EtOH:H 2 O 1:1 (74.65 α 5.39%) while a reduction in the amount of these compounds was observed in the extracts prepared using cold H 2 O (54.41 α 2.93%). Additionally, crude extracts from leaves of K. pinnata extracted with hot H 2 O and EtOH:H 2 O 1:1 showed in vitro cytotoxicity on five tested cancer cell lines: murine melanoma (B16F10), human melanoma (A2058), human cervical carcinoma (HeLa), human leukemia (HL-60), and human glioblastoma (U87-MG), with IC 50 values in the range of 10.6 α 2.5-91.3 α 7.2 μg/mL. On the other hand, the extract prepared using cold H 2 O displayed reduced potential. These crude extracts were also tested against human foreskin fibroblasts (non-tumorigenic cells) showing IC 50 values ranging from 79.5 to 90.2 μg/mL. In conclusion, our results showed the impact that different extraction methods have on the chemical composition and pharmacological activity, which are notable for the anticancer activity associated to flavonoids.
    Type of Medium: Online Resource
    ISSN: 1934-578X , 1555-9475
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2018
    detail.hit.zdb_id: 2430442-6
    SSG: 15,3
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