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464 results on '"Pinho, Simão"'

11. Perspectives on Creating a Chronic Pain Support Line in Portugal: Results of a Focus Group Study among Patients and Healthcare Professionals.

Author

Cruz, Mariana, Durães, Maria Inês, Azevedo, Patrícia, Carvalhal, Célia, Pinho, Simão, and Sampaio, Rute

Subjects
MEDICAL personnel, ACTIVE listening, CHRONIC pain, FOCUS groups, QUALITATIVE research
Abstract

Background: Chronic pain (CP) patients frequently feel misunderstood and experience a lack of support. This led to the creation of support telephone lines in some countries. However, there is no scientific data grounding their development or evaluating their performance. Almost 37% of the Portuguese adult population suffers from CP, with great costs for patients and the healthcare system. Methods: To determine the viability of a support line for CP in Portugal, a qualitative study was designed, and online focus group meetings, with patients and healthcare professionals, were conducted. Their perspectives, beliefs, and expectations were evaluated and described. Results: This study revealed that a CP support line is a feasible project from the participants' perspective if its interventions are limited to active listening, emotional support, and tailored suggestions. Conclusions: It has the potential to generate a positive impact on healthcare services, while also contributing to greater equity of access to support. [ABSTRACT FROM AUTHOR]

Published
2024
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43. Study of binary mixtures of Tribulus terrestris extract and Quillaja bark saponin as oil‐in‐water nanoemulsion emulsifiers.

Author

Schreiner, Tatiana B., Santamaria‐Echart, Arantzazu, Peres, António M., Dias, Madalena M., Pinho, Simão P., and Barreiro, Maria Filomena

Subjects
TRIBULUS terrestris, STABILIZING agents, BINARY mixtures, ZETA potential, EMULSIONS, EXPERIMENTAL design, STATISTICS
Abstract

Several industrial fields use emulsifiers in their products, with the ones of natural origin gaining increasing relevance. Identifying and using diversified sources for their extraction is a pertinent topic regarding sustainability principles, biodiversity preservation, or cost rationalization. This is the case of Quillaja bark saponin (QS), for which saponin‐rich extracts, for example, Tribulus terrestris (TT), are being highlighted as viable alternatives, even though constraints like performance are still on the table. In this context, an experimental design using binary emulsifier mixtures of TT with pure QS was carried out by changing their composition (50–90%wt. TT), content (1.5–4.5%wt.), and high‐pressure homogenization conditions (5–15 cycles). The emulsions were characterized by zeta potential, morphology, droplet size, and stability (expressed as the number of days without creaming formation). Moreover, the cream index for 30 days was determined to indicate the destabilization extent. The zeta potential showed stable emulsions (values below −41 mV); even still, creaming formed for samples using a low emulsifier and high TT contents. The emulsions' mean droplet diameter (D [3, 2]) was between 78 and 921 nm, with smaller sizes agreeing with higher stability. The statistical analysis indicated an optimum composition range comprising an emulsifier content between 3.9 and 4.5%wt. and TT content between 50 and 56%wt. to reach stable products. Overall, TT can provide an effective solution when combined with QS, decreasing the dependence on Quillaja bark. [ABSTRACT FROM AUTHOR]

Published
2024
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