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- 저자 : Bianca Barros (검색결과 4 건)
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Sergio Estelita Barros,Bianca Heck,Kelly Chiqueto,Eduardo Ferreira 대한치과교정학회 2023 대한치과교정학회지 Vol.53 No.2
Objective: To evaluate the null hypothesis that there is no difference in a set of clinical predictors of potentially impacted canines between low-risk patients with and without displaced canines. Methods: The normal canine position group consisted of 30 patients with 60 normally erupting canines ranked in sector I (age, 9.30 ± 0.94 years). The displaced canine group comprised 30 patients with 41 potentially impacted canines ranked in sectors II to IV (age, 9.46 ± 0.78 years). Maxillary lateral incisor crown angulation, inclination, rotation, width, height, and shape, as well as palatal depth, arch length, width, and perimeter composed a set of clinical predictors, which were evaluated on digital dental casts. Statistical analyses consisted of group comparisons and variable correlations (p < 0.05). Results: There was a significant association between sex and mesially displaced canines. Unilateral canine displacement was more prevalent than bilateral displacement. The crown of the maxillary lateral incisors was significantly angulated more mesially and rotated mesiolabially in low-risk patients with displaced canines, who also had a shallower palate and shorter anterior dental arch length. Lateral incisor crown angulation and rotation, as well as palatal depth and arch length, were significantly correlated with the canine displacement severity. Conclusions: The null hypothesis was rejected. Maxillary lateral incisor angulation inconsistent with the “ugly duckling” stage as well as a shallow palate and short arch length are clinical predictors that can significantly contribute to the early screening of ectopic canines in low-risk patients.
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Rui Claro,Bianca Barros,Carlos Ferreira,Ana Ribau,Luis Henrique Barros 대한견주관절학회 2024 대한견주관절의학회지 Vol.27 No.1
Background: Open reduction and internal fixation (ORIF) with a locking plate is a popular surgical treatment for proximal humeral fractures (PHF). This study aimed to assess the occurrence of complications in elderly patients with PHF treated surgically using ORIF with a locking plate and to investigate the potential differences between patients treated by “shoulder surgeons” and “non-shoulder surgeons.” Methods: A retrospective study was conducted using a single-center database to identify patients aged ≥70 years who underwent ORIF for PHF between January 1, 2011, and December 31, 2021. Data on the Neer classification, follow-up, occurrence of avascular necrosis of the humeral head, implant failure, and revision surgery were also collected. Statistical analyses were performed to calculate the overall frequency of complications according to the Neer classification. Results: The rates of implant failure, avascular osteonecrosis, and revision surgery were 15.7%, 4.8%, and 15.7%, respectively. Complications were more common in patients with Neer three- and four-part fractures. Although the difference between surgeries performed by “shoulder surgeons” and “non-shoulder surgeons” did not reach statistical significance, the rate of complications and the need for revision surgery were nearly two-fold higher in the latter group. Conclusions: PHF are highly prevalent in the elderly population. However, the ORIF surgical approach, as demonstrated in this study, is associated with a considerable rate of complications. Surgeries performed by “non-shoulder surgeons” had a higher rate of complications and a more frequent need for revision surgery. Future studies comparing surgical treatments and their respective complication rates are crucial to determine the optimal therapeutic options. Level of evidence: III.
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Lycopene and Tomato Sauce Improve Hepatic and Cardiac Cell Biomarkers in Rats
Vanessa Azevedo de Jesuz,Monique de Barros Elias Campos,Vanessa Rosse de Souza,Teresa Palmiciano Bede,Bianca Portugal Tavares de Moraes,Adriana Ribeiro Silva,Cassiano Felippe Gonc¸alves de Albuquerque 한국식품영양과학회 2019 Journal of medicinal food Vol.22 No.11
This study evaluated the effects of tomato sauce and lycopene on hepatic and cardiac cell biomarkers in rats fed a high-fat diet. Animals were split into five groups: control group, high-fat group (HG), high-fat tomato sauce group, high-fat lycopene 2 mg, and high-fat lycopene 4 mg. Food and water were offered ad libitum, whereas tomato sauce and lycopene (2 and 4 mg/day) were offered daily for 60 days. Body, heart, and liver weights, cardiosomatic and hepatosomatic indices, and serum parameters were also analyzed in rats. The animals' hearts and liver were processed, and cells were examined by flow cytometry. Results showed that the groups receiving tomato sauce and lycopene had lower glycemia. The serum concentration of high-density lipoprotein cholesterol, hepatic enzymes, and tumor necrosis factor-α did not change upon treatment. Tomato sauce and lycopene supplementation did not increase interleukin-1β in response to a high-fat diet. Cell cycle analysis of cardiac and liver cells showed a lower percentage of cells in the G0/G1 phase and an increase in the G2/M phase in HG. Both lycopene and tomato sauce reversed this effect. Both lycopene and tomato sauce reversed this effect and prevented high-fat diet-stimulated cardiac and liver cell death. Supplementation of tomato sauce and lycopene showed beneficial effects on cardiac and liver cell metabolism; therefore, it is suggested as a nutritional approach for the prevention and treatment of cardiovascular diseases and nonalcoholic hepatic steatosis.
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Laura Vicedo Jacociunas,Heloisa Helena Rodrigues de Andrade,Mauricio Lehmann,Bianca Regina Ribas de Abreu,Alexandre de Barros Falca˜o Ferraz,Juliana da Silva,Rafael Rodrigues Dihl 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.10
Cynara scolymus L. (Asteraceae), popularly known as artichoke, has been widely used in herbal medicine for the treatment of hepatic diseases. The genotoxicity of C. scolymus L. leaf extract (LE) and the ability to modulate the genetic toxicity of the alkylating agent ethyl methanesulfonate (EMS) were assessed using the comet assay on Chinese hamster ovary cells. Genotoxicity was evaluated after 1- and 24-h treatments using four different LE concentrations: 0.62, 1.25, 2.5, and 5.0 mg/mL. Antigenotoxicity was assessed for pretreatment, simultaneous treatment, and post-treatment. All doses used led to a significant increase in the frequency of DNA damage, after exposure for 1 and 24 h. In the antigenotoxicity experiments, LE reduced the frequency of DNA damage induced by EMS in the simultaneous treatment only. However, the lowest dose was more protective than higher concentrations. Flavonoids and phenolic compounds are, probably, the C. scolymus constituents responsible for its genotoxic and antigenotoxic effects
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