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Brain Sciences Jun 2024As cancer progresses, patients may experience physical decline, which can impair their ability to carry out essential daily tasks. The aim of this study was to analyze...
As cancer progresses, patients may experience physical decline, which can impair their ability to carry out essential daily tasks. The aim of this study was to analyze the levels of physical activity in patients with advanced cancer undergoing systemic treatment and its relationship with sociodemographic, clinical, and psychological factors. A prospective, cross-sectional, multicenter study was carried out in 15 oncology departments in Spain. Patients with locally advanced, unresectable, or metastatic cancer who were candidates for systemic treatment were included. Participants completed demographic information and psychological scales. In total, 508 patients were included in the study, the majority of whom were male, over the age of 65, and diagnosed with bronchopulmonary tumors (36%) and metastatic disease. Based on their physical activity levels, participants were categorized as sedentary (20%, = 190), engaging in light physical activity (43%, = 412), or demonstrating moderate physical activity (37%, = 351). Patients who were over 65 years old; had a worse baseline status (ECOG ≥ 1); lacked a partner; had a lower educational level; or were retired or unemployed were found to have lower levels of physical activity. Those with sedentary physical activity reported higher levels of psychological distress, anxiety, depression, somatization, and physical symptoms, as well as worse functional status, global health status, and well-being. Understanding the complex interplay between physical activity and sociodemographic, clinical, and psychological factors can help neuroscientists develop tailored exercise interventions that address the unique needs of advanced cancer patients.
PubMed: 38928572
DOI: 10.3390/brainsci14060573 -
Biomedicines May 2024Knee osteoarthritis (KOA) has a significant impact on patients' quality of life. This study aimed to assess the effectiveness of integrating transcranial direct current...
Knee osteoarthritis (KOA) has a significant impact on patients' quality of life. This study aimed to assess the effectiveness of integrating transcranial direct current stimulation (tDCS) and transcutaneous electrical nerve stimulation (TENS) into an education and exercise program with the aim of decreasing pain and improving physical function in KOA. A randomized controlled trial with 65 KOA patients was conducted. The subjects were assigned to one of the following three groups: education and active exercise plus (1) double active tDCS and TENS, (2) active tDCS and sham TENS, and (3) double sham tDCS and TENS. Sessions were conducted over a 20 min period, whilst data on pain, chronic pain clinical variables, and physical function were collected. Although all groups showed improvement in pain-related symptoms in the short and medium term, the addition of tDCS and/or TENS did not significantly enhance the benefits of the exercise and education program. These findings suggest that an education and active exercise program in the treatment of KOA has a positive effect on pain, with or without the addition of tDCS and/or TENS.
PubMed: 38927392
DOI: 10.3390/biomedicines12061186 -
BMC Psychology Jun 2024AI Generated Content Law was extensively promoted in 2023; hence, it is crucial to uncover factors influencing people's behavioral intentions to comply with the AI...
AI Generated Content Law was extensively promoted in 2023; hence, it is crucial to uncover factors influencing people's behavioral intentions to comply with the AI Generated Content Law. This study extends the theory of planned behavior to explore the factors influencing people to follow AI Generated Content Law in China. In addition to the factors in TPB model, such as one's attitudinal factors, normative factors, and perceived behavioral control, we add another factor-moral obligation to extend the theory of planned behavior model. We used convenient sampling and there were 712 effective samples. Using the statistical software Amos17.0, the result shows that attitude, subjective norms, perceived behavioral control and moral obligation all have positive effects on intentions to follow AI Generated Content Law.
Topics: Humans; China; Intention; Male; Female; Adult; Attitude; Psychological Theory; Artificial Intelligence; Models, Psychological; Young Adult; Moral Obligations; Theory of Planned Behavior
PubMed: 38926756
DOI: 10.1186/s40359-024-01824-4 -
BMC Medical Ethics Jun 2024Childhood cancers affect about 350 children every year in Sweden and are life-threatening diseases. During the treatment period, situations arise that can become morally...
BACKGROUND
Childhood cancers affect about 350 children every year in Sweden and are life-threatening diseases. During the treatment period, situations arise that can become morally challenging for the child. When knowing children's values and morally challenging situations in childhood cancer care, targeted ethics support could be developed and used in care.
AIM
To explore children's values and moral dilemmas when undergoing cancer treatment.
METHODS
This is a qualitative study based on empirical data. The data collection was conducted through three focus group interviews and six individual interviews with children between 10 and 18 years (n = 16). A content analysis methodology was used to generate themes. Children who were/have been treated for cancer at three childhood cancer centres in Sweden were invited to participate. The study was approved by the Swedish Ethical Review Authority. The children's participation was based on voluntariness and consent/assent.
FINDINGS
During the analysis, five themes of values emerged: Personal relationships, Bodily ease and identity, Feeling in control and being involved, Positive distractions and Right care that is needed. Their moral dilemmas were thematized into: Should I consider others or not? Should I rest or not? and Should I refuse treatment or not?
CONCLUSION
Children undergoing cancer treatment want to have personal relationships with healthcare professionals. Their moral dilemmas were about questioning their own physical and psychological well-being against their expectations, the values of others and the treatment required. Further research is needed to understand how to deal with moral dilemmas in children undergoing cancer treatment.
Topics: Humans; Neoplasms; Child; Qualitative Research; Female; Sweden; Male; Adolescent; Morals; Focus Groups; Social Values
PubMed: 38926715
DOI: 10.1186/s12910-024-01075-3 -
BMC Medical Education Jun 2024Medical professionalism is a core competency for medical students during clerkships for further professional development. Given that the behavior-based framework could...
BACKGROUND
Medical professionalism is a core competency for medical students during clerkships for further professional development. Given that the behavior-based framework could provide clear insight and is easy to assess, the study aimed to create a self-administered scale to measure the professional behaviors of medical students during their clerkships.
METHODS
A comprehensive literature review on medical professional behaviors in English or Chinese and Delphi interviews were used to develop the initial version of the Self-Administered Scale for Professional Behavior of Medical Students During Clerkships. The reliability and validity analysis based on a survey of medical students from China, Cronbach's α calculations, and Confirmatory Factor Analysis (CFA) specifically were conducted to finalize the scale. The associations of professional behaviors with gender, medical programs, and clerkship duration were examined using Wilcoxon rank-sum tests.
RESULTS
We included 121 studies and extracted 57 medical professionalism assessment tools, initially forming a pool of 48 items. To refine these items, eighteen experts participated in two rounds of Delphi interviews, ultimately narrowing down the item pool to 24 items. A total of 492 participants effectively completed the questionnaire. One item was removed due to its correlated item-total correlation (CITC) value, resulting in a final scale containing 23 items with six domains: Respect, Altruism, Communication and Collaboration, Integrity, Duty, and Excellence. The overall Cronbach's alpha value was 0.98, ranging from 0.88 to 0.95 for each domain. The fit indices (χ/df = 4.07, CFI = 0.96, TLI = 0.95, RMSEA = 0.08, and SRMR = 0.02) signified a good fit for the six-domain model. Medical students' professional behavior was significantly associated with gender (p = 0.03) and clerkship duration (p = 0.001).
CONCLUSION
The scale was demonstrated to be reliable and valid in assessing the professional behaviors of Chinese medical students during clerkships.
Topics: Humans; Clinical Clerkship; Students, Medical; Professionalism; Female; Male; Reproducibility of Results; Surveys and Questionnaires; Delphi Technique; China; Psychometrics; Adult; Clinical Competence
PubMed: 38926701
DOI: 10.1186/s12909-024-05676-9 -
BMC Medical Ethics Jun 2024The existence of a valid instrument to evaluate the attitude of mothers towards compliance with medical ethics during childbirth can lead to appropriate interventions to...
BACKGROUND
The existence of a valid instrument to evaluate the attitude of mothers towards compliance with medical ethics during childbirth can lead to appropriate interventions to create a positive attitude. The purpose of this study is to determine the construct validity of the MEAVDQ (Medical Ethics Attitude in Vaginal Delivery Questionnaire).
METHODS
The study was carried out with 350 women. The main research instrument was MEAVDQ. This 59-item questionnaire comprises three parts A, B, J. Part A is concerned with the first principles. Part B deals with the second and third principles and part J addresses the fourth principle of medical ethics. Structural Equations Modeling (SEM) was used to determine the construct validity of MEAVDQ.
RESULTS
The results of SEM revealed that there was a positive correlation between structures A and B. The relationship between structures B and J was also positive and significant. On the other hand, there was a direct and indirect relationship between structures A and J. One-unit increase in structure A led to 0.16 (95% CI: 0.01, 0.33) direct increase in structure J. Also, one-unit increase score increases in structure A caused 0.39 indirect rise (95% CI: 0.26, 0.53) in structure J with the mediating role of the structure B.
CONCLUSIONS
It can be suggested to midwifery policy maker and midwives that respect for the first principle of medical ethics and autonomy is the most important principle of medical ethics in childbirth. By respecting the autonomy of mothers, a positive birth experience can be created for them.
Topics: Humans; Female; Iran; Adult; Pregnancy; Parturition; Surveys and Questionnaires; Ethics, Medical; Delivery, Obstetric; Mothers; Latent Class Analysis; Young Adult; Reproducibility of Results
PubMed: 38926698
DOI: 10.1186/s12910-024-01072-6 -
Ceska a Slovenska Oftalmologie :... 2024To investigate the concordance between the corneal power determined by various approaches with two tomographers (MS-39® and Galilei G6®) and the clinical history...
AIMS
To investigate the concordance between the corneal power determined by various approaches with two tomographers (MS-39® and Galilei G6®) and the clinical history method (CHM) in patients undergoing photorefractive surgery with excimer laser for myopic errors.
MATERIAL AND METHODS
Prospective cohort study. Patients undergoing keratorefractive surgery, and having pre- and postoperative keratometries, and tomographies, were included.
RESULTS
In 90 eyes, the differences in the power estimated by the CHM and the one determined by four approaches with the corneal tomographers, which included measurements of the posterior cornea, did not show statistically significant differences in their averages. However, the 95% limits of agreement were very wide. After obtaining regression formulas to adjust the values of these four variables, the results of the agreement analysis were similar.
CONCLUSION
Although certain values either directly determined or derived from measurements with the Galilei® and MS-39®corneal tomographers, approximated the estimated value of postoperative corneal power according to the CHM, due to the amplitude of their limits of agreement, these calculations must be taken with care, because they may not be accurate in a given eye.
Topics: Humans; Cornea; Myopia; Adult; Prospective Studies; Male; Female; Photorefractive Keratectomy; Young Adult; Corneal Topography; Lasers, Excimer; Refraction, Ocular
PubMed: 38925892
DOI: 10.31348/2024/23 -
British Journal of Sports Medicine Jun 2024To conduct a meta-analytic review of psychosocial predictors of doping intention, doping use and inadvertent doping in sport and exercise settings.
OBJECTIVE
To conduct a meta-analytic review of psychosocial predictors of doping intention, doping use and inadvertent doping in sport and exercise settings.
DESIGN
Systematic review and meta-analysis.
DATA SOURCES
Scopus, Medline, Embase, PsychINFO, CINAHL Plus, ProQuest Dissertations/Theses and Open Grey.
ELIGIBILITY CRITERIA
Studies (of any design) that measured the outcome variables of doping intention, doping use and/or inadvertent doping at least one psychosocial determinant of those three variables.
RESULTS
We included studies from 25 experiments (N=13 586) and 186 observational samples (N=3 09 130). Experimental groups reported lower doping intentions (=-0.21, 95% CI (-0.31 to -0.12)) and doping use (=-0.08, 95% CI (-0.14 to -0.03), but not inadvertent doping (=-0.70, 95% CI (-1.95 to 0.55)), relative to comparators. For observational studies, protective factors were inversely associated with doping intentions (=-0.28, 95% CI -0.31 to -0.24), doping use (=-0.09, 95% CI -0.13 to to -0.05) and inadvertent doping (=-0.19, 95% CI -0.32 to -0.06). Risk factors were positively associated with doping intentions (=0.29, 95% CI 0.26 to 0.32) and use (=0.17, 95% CI 0.15 to 0.19), but not inadvertent doping (=0.08, 95% CI -0.06 to 0.22). Risk factors for both doping intentions and use included prodoping norms and attitudes, supplement use, body dissatisfaction and ill-being. Protective factors for both doping intentions and use included self-efficacy and positive morality.
CONCLUSION
This study identified several protective and risk factors for doping intention and use that may be viable intervention targets for antidoping programmes. Protective factors were negatively associated with inadvertent doping; however, the empirical volume is limited to draw firm conclusions.
PubMed: 38925889
DOI: 10.1136/bjsports-2023-107910 -
Cell Reports Jun 2024High-dimensional brain activity is often organized into lower-dimensional neural manifolds. However, the neural manifolds of the visual cortex remain understudied. Here,...
High-dimensional brain activity is often organized into lower-dimensional neural manifolds. However, the neural manifolds of the visual cortex remain understudied. Here, we study large-scale multi-electrode electrophysiological recordings of macaque (Macaca mulatta) areas V1, V4, and DP with a high spatiotemporal resolution. We find that the population activity of V1 contains two separate neural manifolds, which correlate strongly with eye closure (eyes open/closed) and have distinct dimensionalities. Moreover, we find strong top-down signals from V4 to V1, particularly to the foveal region of V1, which are significantly stronger during the eyes-open periods. Finally, in silico simulations of a balanced spiking neuron network qualitatively reproduce the experimental findings. Taken together, our analyses and simulations suggest that top-down signals modulate the population activity of V1. We postulate that the top-down modulation during the eyes-open periods prepares V1 for fast and efficient visual responses, resulting in a type of visual stand-by state.
PubMed: 38923458
DOI: 10.1016/j.celrep.2024.114371 -
Microbial Biotechnology Jun 2024Pyruvate dehydrogenase (PDH) catalyses the irreversible decarboxylation of pyruvate to acetyl-CoA, which feeds the tricarboxylic acid cycle. We investigated how the loss...
Inactivation of Pseudomonas putida KT2440 pyruvate dehydrogenase relieves catabolite repression and improves the usefulness of this strain for degrading aromatic compounds.
Pyruvate dehydrogenase (PDH) catalyses the irreversible decarboxylation of pyruvate to acetyl-CoA, which feeds the tricarboxylic acid cycle. We investigated how the loss of PDH affects metabolism in Pseudomonas putida. PDH inactivation resulted in a strain unable to utilize compounds whose assimilation converges at pyruvate, including sugars and several amino acids, whereas compounds that generate acetyl-CoA supported growth. PDH inactivation also resulted in the loss of carbon catabolite repression (CCR), which inhibits the assimilation of non-preferred compounds in the presence of other preferred compounds. Pseudomonas putida can degrade many aromatic compounds, most of which produce acetyl-CoA, making it useful for biotransformation and bioremediation. However, the genes involved in these metabolic pathways are often inhibited by CCR when glucose or amino acids are also present. Our results demonstrate that the PDH-null strain can efficiently degrade aromatic compounds even in the presence of other preferred substrates, which the wild-type strain does inefficiently, or not at all. As the loss of PDH limits the assimilation of many sugars and amino acids and relieves the CCR, the PDH-null strain could be useful in biotransformation or bioremediation processes that require growth with mixtures of preferred substrates and aromatic compounds.
Topics: Pseudomonas putida; Catabolite Repression; Pyruvate Dehydrogenase Complex; Hydrocarbons, Aromatic; Biodegradation, Environmental; Acetyl Coenzyme A; Pyruvic Acid; Gene Deletion; Metabolic Networks and Pathways
PubMed: 38923400
DOI: 10.1111/1751-7915.14514