Your browser doesn't support javascript.
loading
Montrer: 20 | 50 | 100
Résultats 1 - 20 de 79
Filtrer
1.
BMJ Open ; 14(7): e084737, 2024 Jul 05.
Article de Anglais | MEDLINE | ID: mdl-38969383

RÉSUMÉ

INTRODUCTION: Cleft lip and/or palate (CL/P) affects 1 in 700 live births globally. Children born with CL/P and their families face various challenges throughout the child's development. Extant research is often limited by small numbers and single-centre data. The Cleft Collective, a national cohort study in the UK, aims to build a resource, available to collaborators across the globe, to understand causes, best treatments and long-term outcomes for those born with CL/P, ultimately seeking to enhance their quality of life through improved understanding and care. METHODS AND ANALYSIS: A longitudinal prospective cohort study of children born with CL/P and their families. Recruitment occurs across the UK and started in November 2013. Recruitment will continue until September 2027 with an estimated final sample of 4822 children born with CL/P (1157 cleft lip including/excluding the alveolus; 2112 cleft palate only; 1042 unilateral cleft lip and palate and 511 bilateral cleft lip and palate). Biological samples are collected from all recruited members of the family. Parental and child questionnaires are collected at key time points throughout the child's development. Surgical data are collected at the time of surgical repair of the child's cleft. Consent is obtained to link to external data sources. Nested substudies can be hosted within the cohort. Regular engagement with participants takes place through birthday cards for the children, social media posts and newsletters. Patient and Public Involvement is conducted through the Cleft Lip And Palate Association and Cleft Collective Patient Consultation Group who provide insightful and essential guidance to the Cleft Collective throughout planning and conducting research. ETHICS AND DISSEMINATION: The Cleft Collective was ethically approved by the National Research Ethics Service committee South West-Central Bristol (REC13/SW/0064). Parental informed consent is required for participation. Findings from the Cleft Collective are disseminated through peer-reviewed publications, conference presentations, newsletters and social media.


Sujet(s)
Bec-de-lièvre , Fente palatine , Humains , Bec-de-lièvre/chirurgie , Bec-de-lièvre/épidémiologie , Fente palatine/chirurgie , Fente palatine/épidémiologie , Études prospectives , Études longitudinales , Royaume-Uni , Enfant , Nourrisson , Qualité de vie , Enfant d'âge préscolaire , Femelle , Mâle , Plan de recherche , Enquêtes et questionnaires , Parents/psychologie
2.
PLOS Digit Health ; 3(6): e0000527, 2024 Jun.
Article de Anglais | MEDLINE | ID: mdl-38935590

RÉSUMÉ

Study-specific data quality testing is an essential part of minimizing analytic errors, particularly for studies making secondary use of clinical data. We applied a systematic and reproducible approach for study-specific data quality testing to the analysis plan for PRESERVE, a 15-site, EHR-based observational study of chronic kidney disease in children. This approach integrated widely adopted data quality concepts with healthcare-specific evaluation methods. We implemented two rounds of data quality assessment. The first produced high-level evaluation using aggregate results from a distributed query, focused on cohort identification and main analytic requirements. The second focused on extended testing of row-level data centralized for analysis. We systematized reporting and cataloguing of data quality issues, providing institutional teams with prioritized issues for resolution. We tracked improvements and documented anomalous data for consideration during analyses. The checks we developed identified 115 and 157 data quality issues in the two rounds, involving completeness, data model conformance, cross-variable concordance, consistency, and plausibility, extending traditional data quality approaches to address more complex stratification and temporal patterns. Resolution efforts focused on higher priority issues, given finite study resources. In many cases, institutional teams were able to correct data extraction errors or obtain additional data, avoiding exclusion of 2 institutions entirely and resolving 123 other gaps. Other results identified complexities in measures of kidney function, bearing on the study's outcome definition. Where limitations such as these are intrinsic to clinical data, the study team must account for them in conducting analyses. This study rigorously evaluated fitness of data for intended use. The framework is reusable and built on a strong theoretical underpinning. Significant data quality issues that would have otherwise delayed analyses or made data unusable were addressed. This study highlights the need for teams combining subject-matter and informatics expertise to address data quality when working with real world data.

3.
Cell Rep ; 43(4): 114047, 2024 Apr 23.
Article de Anglais | MEDLINE | ID: mdl-38607916

RÉSUMÉ

Using 13C6 glucose labeling coupled to gas chromatography-mass spectrometry and 2D 1H-13C heteronuclear single quantum coherence NMR spectroscopy, we have obtained a comparative high-resolution map of glucose fate underpinning ß cell function. In both mouse and human islets, the contribution of glucose to the tricarboxylic acid (TCA) cycle is similar. Pyruvate fueling of the TCA cycle is primarily mediated by the activity of pyruvate dehydrogenase, with lower flux through pyruvate carboxylase. While the conversion of pyruvate to lactate by lactate dehydrogenase (LDH) can be detected in islets of both species, lactate accumulation is 6-fold higher in human islets. Human islets express LDH, with low-moderate LDHA expression and ß cell-specific LDHB expression. LDHB inhibition amplifies LDHA-dependent lactate generation in mouse and human ß cells and increases basal insulin release. Lastly, cis-instrument Mendelian randomization shows that low LDHB expression levels correlate with elevated fasting insulin in humans. Thus, LDHB limits lactate generation in ß cells to maintain appropriate insulin release.


Sujet(s)
Sécrétion d'insuline , Cellules à insuline , L-Lactate dehydrogenase , Acide lactique , Humains , Cellules à insuline/métabolisme , Animaux , L-Lactate dehydrogenase/métabolisme , Souris , Acide lactique/métabolisme , Glucose/métabolisme , Insuline/métabolisme , Isoenzymes/métabolisme , Cycle citrique , Souris de lignée C57BL , Mâle
4.
Plast Reconstr Surg Glob Open ; 12(2): e5589, 2024 Feb.
Article de Anglais | MEDLINE | ID: mdl-38322814

RÉSUMÉ

Background: There is debate amongst surgeons regarding the use of antibiotics to prevent fistulae after palatoplasty. Prescribing should be evidence based, as antibiotic stewardship is integral to reducing antibiotic resistance. Our aim was to determine whether differing perioperative regimens affect the prevalence of postoperative fistulae. Methods: The sample comprised participants from the Cleft Collective who had undergone palatoplasty. Participants were recruited across all 16 UK cleft centers between 2013 and 2021. The exposure was perioperative antibiotic regimen prescribed at the time of palatoplasty. The primary outcome was the presence of palatal fistula. Results: Fistula data were available for 167 participants when exploring antibiotic regimen and for 159 when exploring antibiotic agent. There was no evidence to suggest a difference in fistula rate between those receiving antibiotics on induction only versus as an inpatient or up to 7 days postoperatively (χ2 = 4.57; P = 0.10). There was no evidence to suggest a difference in fistula rate between those who received co-amoxiclav and those who had an alternative antibiotic (χ2 = 0.16; P = 0.69). Postoperative fistulae increased with the extent of the cleft (χ2 = 20.39; P < 0.001). When adjusting for cleft type, no evidence of an association between antibiotic regimen and fistulae was found (inpatient antibiotics: OR 1.36; 95% confidence interval, 0.53-3.51; antibiotics up to 7 days postoperatively: OR 0.68; 95% confidence interval, 0.26-1.80). Conclusions: The choice of antibiotic and dosing regimen does not influence the formation of postoperative fistulae. These results should be supported by interventional trials.

5.
Orthod Craniofac Res ; 27 Suppl 1: 49-61, 2024 Jun.
Article de Anglais | MEDLINE | ID: mdl-38193240

RÉSUMÉ

OBJECTIVES: Investigate associations between cleft laterality in patients with non-syndromic unilateral cleft lip and palate (UCLP) and oral-health, dental-arch, speech, audiological, psychological and nasolabial-aesthetic outcomes. METHODS: Secondary data analysis of the outcomes of 5-year-old children with non-syndromic complete UCLP identified from three studies: Cleft Collective (n = 155), Cleft Care UK (CCUK) (n = 266) and Clinical Standards Advisory Group (CSAG) study (n = 238). Outcome measures included occlusal assessment using the 5-year-old's index score, speech intelligibility rating using the CAPS-A Audit tool, audiological assessment using pure tone audiometry, nasolabial aesthetic assessment using the Asher-McDade tool, oral-health assessment using decayed, missing, filled teeth scores and parent-reported outcomes. Logistic regression with adjustment for age, sex and index-of-multiple-deprivation scores were performed. RESULTS: No differences were found in patient-reported outcomes between the left and right clefts in the Cleft Collective study. From the CCUK study, right clefts had poorer speech (n = 236; 95% CI 1.09, 3.42; and P = .03) and hearing outcomes (n = 211; 95% CI 1.03, 3.43; P = .04). In the CSAG study, patients with left clefts were more likely to be teased (n = 213; 95% CI 0.26, 0.85; and P = .01). CONCLUSION: Weak associations between cleft laterality, speech, hearing and psychological outcomes were found, however the findings were inconsistent across the studies. This study contributes to evidence of associations between laterality and outcomes in children born with UCLP.


Sujet(s)
Bec-de-lièvre , Fente palatine , Humains , Femelle , Mâle , Enfant d'âge préscolaire , Mesures des résultats rapportés par les patients , Intelligibilité de la parole , Dentisterie esthétique , Santé buccodentaire
6.
Prostate Cancer Prostatic Dis ; 27(1): 136-143, 2024 Mar.
Article de Anglais | MEDLINE | ID: mdl-37147359

RÉSUMÉ

BACKGROUND: Using comprehensive plasma lipidomic profiling from men with metastatic castration-resistant prostate cancer (mCRPC), we have previously identified a poor-prognostic lipid profile associated with shorter overall survival (OS). In order to translate this biomarker into the clinic, these men must be identifiable via a clinically accessible, regulatory-compliant assay. METHODS: A single regulatory-compliant liquid chromatography-mass spectrometry assay of candidate lipids was developed and tested on a mCRPC Discovery cohort of 105 men. Various risk-score Cox regression prognostic models of OS were built using the Discovery cohort. The model with the highest concordance index (PCPro) was chosen for validation and tested on an independent Validation cohort of 183 men. RESULTS: PCPro, the lipid biomarker, contains Cer(d18:1/18:0), Cer(d18:1/24:0), Cer(d18:1/24:1), triglycerides and total cholesterol. Within the Discovery and Validation cohorts, men who were PCPro positive had significantly shorter OS compared to those who were PCPro negative (Discovery: median OS 12.0 months vs 24.2 months, hazard ratio (HR) 3.75 [95% confidence interval (CI) 2.29-6.15], p < 0.001, Validation: median OS 13.0 months vs 25.7 months, HR = 2.13 [95% CI 1.46-3.12], p < 0.001). CONCLUSIONS: We have developed PCPro, a lipid biomarker assay capable of prospectively identifying men with mCRPC with a poor prognosis. Prospective clinical trials are required to determine if men who are PCPro positive will benefit from therapeutic agents targeting lipid metabolism.


Sujet(s)
Tumeurs prostatiques résistantes à la castration , Mâle , Humains , Tumeurs prostatiques résistantes à la castration/anatomopathologie , Études prospectives , Marqueurs biologiques , Pronostic , Lipides
7.
Cleft Palate Craniofac J ; 61(1): 40-51, 2024 01.
Article de Anglais | MEDLINE | ID: mdl-36083151

RÉSUMÉ

OBJECTIVES: To determine the UK prevalence of behavioral problems in 5-year-old children born with isolated or syndromic cleft lip and/or palate (CL/P) compared to the general population and identify potentially associated factors. DESIGN: Observational study using questionnaire data from the Cleft Collective 5-Year-Old Cohort study and three general population samples. MAIN OUTCOME MEASURE: The Strengths and Difficulties Questionnaire (SDQ). PARTICIPANTS: Mothers of children (age: 4.9-6.8 years) born with CL/P (n = 325). UK general population cohorts for SDQ scores were: Millennium Cohort Study (MCS) (n = 12 511), Office of National Statistics (ONS) normative school-age SDQ data (n = 5855), and Avon Longitudinal Study of Parents and Children (ALSPAC) (n = 9386). RESULTS: By maternal report, 14.2% of children born with CL/P were above clinical cut-off for behavioral problems, which was more likely than in general population samples: 7.5% of MCS (OR = 2.05 [1.49-2.82], P < 0.001), 9.8% of ONS (OR = 1.52 [1.10-2.09], P = 0.008), and 6.6% of ALSPAC (OR = 2.34 [1.70-3.24], P < 0.001). Children in the Cleft Collective had higher odds for hyperactivity, emotional and peer problems, and less prosocial behaviors. Maternal stress, lower maternal health-related quality of life and family functioning, receiving government income support, and maternal smoking showed evidence of association (OR range: 4.41-10.13) with behavioral problems, along with maternal relationship status, younger age, and lower education (OR range: 2.34-3.73). CONCLUSIONS: Findings suggest elevated levels of behavioral problems in children born with CL/P compared to the general population with several associated maternal factors similar to the general population.


Sujet(s)
Bec-de-lièvre , Fente palatine , Comportement déviant , Enfant , Enfant d'âge préscolaire , Humains , Bec-de-lièvre/épidémiologie , Bec-de-lièvre/psychologie , Fente palatine/épidémiologie , Fente palatine/psychologie , Études de cohortes , Études longitudinales , Prévalence , Qualité de vie
8.
Cleft Palate Craniofac J ; : 10556656231221027, 2023 Dec 13.
Article de Anglais | MEDLINE | ID: mdl-38092732

RÉSUMÉ

OBJECTIVE: An overview of the literature relating to the sidedness of unilateral cleft lip with or without cleft palate to map current knowledge on the cause and impact of directional asymmetry. DESIGN: Scoping review with a systematic search of Medline and Embase from inception to May 2023. PATIENTS, PARTICIPANTS: Humans born with a left or right unilateral cleft lip with or without a cleft palate. MAIN OUTCOME MEASURES: Cleft sidedness as a co-occurrence, an outcome or an exposure. RESULTS: Forty studies were eligible for inclusion and confirmed the predilection for the occurrence of left sided cleft lips; 12 studies reported cleft sidedness co-occurring with another phenotype, 11 studies report sidedness as an outcome and 17 studies as an exposure. Phenotypes which were reported to co-occur with either left or right sided clefts included congenital dental anomalies, handedness and additional congenital anomalies. Variables investigated as a potential cause of left or right sided clefts as an outcome included chromosomal anomalies, genetic variants and environmental factors. Outcomes investigated in relation to cleft sidedness as an exposure included facial anatomical features, facial growth, educational attainment, functional and psychological characteristics. More studies showed worse outcomes in right sided clefts versus left sided clefts than vice versa, although studies were inconsistent, and a quality assessment was not performed. CONCLUSIONS: The field of cleft sidedness research is expanding and there are promising early findings to differentiate cause and outcome by sidedness of the cleft.

9.
BMC Cancer ; 23(1): 1232, 2023 Dec 14.
Article de Anglais | MEDLINE | ID: mdl-38097972

RÉSUMÉ

BACKGROUND: Prehabilitation and recovery programmes aim to optimise patients' physical fitness and mental well-being before, during and after cancer treatment. This paper aimed to understand the impact of such a programme on emotional well-being in individuals undergoing cancer surgery. The programme was multi-modal, containing physical activity, well-being and nutritional support. METHODS: Qualitative interviews were conducted with 16 individuals who participated in a prehabilitation and recovery programme. Twenty-four health care staff involved in referral completed an online survey. An inductive, thematic analysis was conducted, integrating perspectives of patients and staff, structured with the Framework approach. RESULTS: Patients seemed to experience emotional benefits from the programme, appearing less anxious and more confident in their ability to cope with treatment. They seemed to value having something positive to focus on and control over an aspect of treatment. Ongoing, implicit psychological support provided by Exercise Specialists, who were perceived as expert, available and caring, seemed valued. Some patients appeared to appreciate opportunities to talk about cancer with peers and professionals. Discomfort with talking about cancer with other people, outside of the programme, was expressed. CONCLUSIONS: Participation in a prehabilitation and recovery programme appeared to yield valuable emotional well-being benefits, even without referral to specialist psychological support. STUDY REGISTRATION: The study protocol was uploaded onto the Open Science Framework 24 September 2020 ( https://osf.io/347qj/ ).


Sujet(s)
Tumeurs , Activité physique préopératoire , Humains , Soins préopératoires/méthodes , Exercice physique , Aptitude physique , Traitement par les exercices physiques/méthodes , Tumeurs/chirurgie
10.
Kidney Med ; 5(11): 100722, 2023 Nov.
Article de Anglais | MEDLINE | ID: mdl-37965485

RÉSUMÉ

Rationale & Objective: PRESERVE seeks to provide new knowledge to inform shared decision-making regarding blood pressure (BP) management for pediatric chronic kidney disease (CKD). PRESERVE will compare the effectiveness of alternative strategies for monitoring and treating hypertension on preserving kidney function; expand the National Patient-Centered Clinical Research Network (PCORnet) common data model by adding pediatric- and kidney-specific variables and linking electronic health record data to other kidney disease databases; and assess the lived experiences of patients related to BP management. Study Design: Multicenter retrospective cohort study (clinical outcomes) and cross-sectional study (patient-reported outcomes [PROs]). Setting & Participants: PRESERVE will include approximately 20,000 children between January 2009-December 2022 with mild-moderate CKD from 15 health care institutions that participate in 6 PCORnet Clinical Research Networks (PEDSnet, STAR, GPC, PaTH, CAPRiCORN, and OneFlorida+). The inclusion criteria were ≥1 nephrologist visit and ≥2 estimated glomerular filtration rate (eGFR) values in the range of 30 to <90 mL/min/1.73 m2 separated by ≥90 days without an intervening value ≥90 mL/min/1.73 m2 and no prior dialysis or kidney transplant. Exposures: BP measurements (clinic-based and 24-hour ambulatory BP); urine protein; and antihypertensive treatment by therapeutic class. Outcomes: The primary outcome is a composite event of a 50% reduction in eGFR, eGFR of <15 mL/min/1.73 m2, long-term dialysis or kidney transplant. Secondary outcomes include change in eGFR, adverse events, and PROs. Analytical Approach: Longitudinal models for dichotomous (proportional hazards or accelerated failure time) and continuous (generalized linear mixed models) clinical outcomes; multivariable linear regression for PROs. We will evaluate heterogeneity of treatment effect by CKD etiology and degree of proteinuria and will examine variation in hypertension management and outcomes based on socio-demographics. Limitations: Causal inference limited by observational analyses. Conclusions: PRESERVE will leverage the PCORnet infrastructure to conduct large-scale observational studies that address BP management knowledge gaps for pediatric CKD, focusing on outcomes that are meaningful to patients. Plain-Language Summary: Hypertension is a major modifiable contributor to loss of kidney function in chronic kidney disease (CKD). The purpose of PRESERVE is to provide evidence to inform shared decision-making regarding blood pressure management for children with CKD. PRESERVE is a consortium of 16 health care institutions in PCORnet, the National Patient-Centered Clinical Research Network, and includes electronic health record data for >19,000 children with CKD. PRESERVE will (1) expand the PCORnet infrastructure for research in pediatric CKD by adding kidney-specific variables and linking electronic health record data to other kidney disease databases; (2) compare the effectiveness of alternative strategies for monitoring and treating hypertension on preserving kidney function; and (3) assess the lived experiences of patients and caregivers related to blood pressure management.

11.
Trials ; 24(1): 772, 2023 Nov 29.
Article de Anglais | MEDLINE | ID: mdl-38031101

RÉSUMÉ

BACKGROUND: The Active Connected Engaged [ACE] study is a multi-centre, pragmatic, two-arm, parallel-group randomised controlled trial [RCT] with an internal pilot phase. The ACE study incorporates a multi-level mixed methods process evaluation including a systems mapping approach and an economic evaluation. ACE aims to test the effectiveness and cost-effectiveness of a peer-volunteer led active ageing intervention designed to support older adults at risk of mobility disability to become more physically and socially active within their communities and to reduce or reverse, the progression of functional limitations associated with ageing. METHODS/DESIGN: Community-dwelling, older adults aged 65 years and older (n = 515), at risk of mobility disability due to reduced lower limb physical functioning (Short Physical Performance Battery (SPPB) score of 4-9 inclusive) will be recruited. Participants will be randomised to receive either a minimal control intervention or ACE, a 6-month programme underpinned by behaviour change theory, whereby peer volunteers are paired with participants and offer them individually tailored support to engage them in local physical and social activities to improve lower limb mobility and increase their physical activity. Outcome data will be collected at baseline, 6, 12 and 18 months. The primary outcome analysis (difference in SPPB score at 18 months) will be undertaken blinded to group allocation. Primary comparative analyses will be on an intention-to-treat (ITT) basis with due emphasis placed on confidence intervals. DISCUSSION: ACE is the largest, pragmatic, community-based randomised controlled trial in the UK to target this high-risk segment of the older population by mobilising community resources (peer volunteers). A programme that can successfully engage this population in sufficient activity to improve strength, coordination, balance and social connections would have a major impact on sustaining health and independence. ACE is also the first study of its kind to conduct a full economic and comprehensive process evaluation of this type of community-based intervention. If effective and cost-effective, the ACE intervention has strong potential to be implemented widely in the UK and elsewhere. TRIAL REGISTRATION: ISRCTN, ISRCTN17660493. Registered on 30 September 2021. Trial Sponsor: University of Birmingham, Contact: Dr Birgit Whitman, Head of Research Governance and Integrity; Email: researchgovernance@contacts.bham.ac.uk. Protocol Version 5 22/07/22.


Sujet(s)
Vieillissement , Exercice physique , Sujet âgé , Humains , Analyse coût-bénéfice , Études multicentriques comme sujet , Techniques de physiothérapie , Qualité de vie , Essais contrôlés randomisés comme sujet , Bénévoles , Essais cliniques pragmatiques comme sujet
12.
Quant Imaging Med Surg ; 13(9): 6280-6295, 2023 Sep 01.
Article de Anglais | MEDLINE | ID: mdl-37711778

RÉSUMÉ

Background: Among cancers, esophageal cancer (EC) has one of the highest incidences and mortality in Asia. As recognized in many national guidelines, functional imaging performed with position emission tomography is recommended for patients with locally advanced disease. This review evaluated evidence for the use of fluorodeoxyglucose (FDG) interim positron emission tomography (PETint) in bimodality (chemoradiation) and trimodality (chemoradiation followed by surgery) management of locally advanced esophageal cancer (LAEC), with a focus on its prognostic and predictive value. Methods: The MEDLINE database was searched from January 1, 2001, to January 1, 2022, as part of a scoping review. References of selected articles were manually checked to identify other articles meeting the inclusion criteria; only original articles were included, and reviews, guidelines, letters, editorials, and case reports were excluded. Results: A total of 63 articles were included in this review. PET-computed tomography (PET-CT) is recognized as having a significant role in the assessment of treatment response. Studies on the predictive PETint suggest that it has a certain value, particularly for early response. Identification of poor responders or nonresponders soon after commencement of multimodality treatment allows for treatment modification. Conclusions: The scoping review indicated variable utility for the prognostic value of PETint. There is a need to improve its accuracy, which can likely be achieved through greater standardization of measurements and reporting and testing as well as combination with other promising measures of response to residual disease.

13.
BMC Cancer ; 23(1): 744, 2023 Aug 11.
Article de Anglais | MEDLINE | ID: mdl-37568097

RÉSUMÉ

BACKGROUND: 'Prehabilitation' interventions aim to enhance individuals' physical fitness prior to cancer treatment, typically involve exercise training as a key component, and may continue to support physical activity, strength, and fitness during or after treatment. However, uptake of prehabilitation is variable. This study investigated how patients from diverse socio-economic status groups perceived an exemplar prehabilitation and recovery programme, aiming to understand factors impacting acceptability, engagement and referral. METHODS: This research was conducted in the context of the Prehab4Cancer and Recovery Programme, a prehabilitation and recovery programme available across Greater Manchester, UK. Qualitative, semi-structured phone/video-call interviews were conducted with 18 adult patient participants referred to the programme (16 'engagers', 2 'non-engagers'; half the sample lived in localities with low socio-economic status scores). An online questionnaire with free-response and categorical-response questions was completed by 24 'clinician' participants involved in referral (nurses, doctors and other staff roles). An inductive, multi-perspective, thematic analysis was performed, structured using the Framework approach. RESULTS: Discussing and referring patients to prehabilitation can be challenging due to large quantities of information for staff to cover, and for patients to absorb, around the time of diagnosis. The programme was highly valued by both participant groups; the belief that participation would improve recovery seemed a major motivator for engagement, and some 'clinicians' felt that prehabilitation should be treated as a routine part of treatment, or extended to support other patient groups. Engagers seemed to appreciate a supportive approach where they did not feel forced to do any activity and tailoring of the programme to meet individual needs and abilities was appreciated. Initial engagement could be daunting, but gaining experience with the programme seemed to increase confidence. CONCLUSIONS: The prehabilitation programme was highly valued by engagers. Introducing prehabilitation at a challenging time means that personalised approaches might be needed to support engagement, or participation could be encouraged at a later time. Strategies to support individuals lacking in confidence, such as buddying, may be valuable. STUDY REGISTRATION: The study protocol was uploaded onto the Open Science Framework 24 September 2020 ( https://osf.io/347qj/ ).


Sujet(s)
Tumeurs , Activité physique préopératoire , Adulte , Humains , Exercice physique , Aptitude physique , Soins préopératoires/méthodes , Tumeurs/chirurgie
14.
Nutrients ; 15(10)2023 May 17.
Article de Anglais | MEDLINE | ID: mdl-37242238

RÉSUMÉ

Magnesium (Mg2+) has many physiological functions within the body. These include important roles in maintaining cardiovascular functioning, where it contributes to the regulation of cardiac excitation-contraction coupling, endothelial functioning and haemostasis. The haemostatic roles of Mg2+ impact upon both the protein and cellular arms of coagulation. In this review, we examine how Mg2+ homeostasis is maintained within the body and highlight the various molecular roles attributed to Mg2+ in the cardiovascular system. In addition, we describe how nutritional and/or disease-associated magnesium deficiency, seen in some metabolic conditions, has the potential to influence cardiac and vascular outcomes. Finally, we also examine the potential for magnesium supplements to be employed in the prevention and treatment of cardiovascular disorders and in the management of cardiometabolic health.


Sujet(s)
Maladies cardiovasculaires , Magnésium, carence , Humains , Magnésium, carence/complications , Magnésium, carence/métabolisme , Magnésium , Compléments alimentaires , Maladies cardiovasculaires/prévention et contrôle , Phénomènes physiologiques cardiovasculaires
15.
Clin J Am Soc Nephrol ; 18(2): 173-182, 2023 02 01.
Article de Anglais | MEDLINE | ID: mdl-36754006

RÉSUMÉ

BACKGROUND: The objectives of this study were to use electronic health record data from a US national multicenter pediatric network to identify a large cohort of children with CKD, evaluate CKD progression, and examine clinical risk factors for kidney function decline. METHODS: This retrospective cohort study identified children seen between January 1, 2009, to February 28, 2022. Data were from six pediatric health systems in PEDSnet. We identified children aged 18 months to 18 years who met criteria for CKD: two eGFR values <90 and ≥15 ml/min per 1.73 m2 separated by ≥90 days without an intervening value ≥90. CKD progression was defined as a composite outcome: eGFR <15 ml/min per 1.73 m2, ≥50% eGFR decline, long-term dialysis, or kidney transplant. Subcohorts were defined based on CKD etiology: glomerular, nonglomerular, or malignancy. We assessed the association of hypertension (≥2 visits with hypertension diagnosis code) and proteinuria (≥1 urinalysis with ≥1+ protein) within 2 years of cohort entrance on the composite outcome. RESULTS: Among 7,148,875 children, we identified 11,240 (15.7 per 10,000) with CKD (median age 11 years, 50% female). The median follow-up was 5.1 (interquartile range 2.8-8.3) years, the median initial eGFR was 75.3 (interquartile range 61-83) ml/min per 1.73 m2, 37% had proteinuria, and 35% had hypertension. The following were associated with CKD progression: lower eGFR category (adjusted hazard ratio [aHR] 1.44 [95% confidence interval (95% CI), 1.23 to 1.69], aHR 2.38 [95% CI, 2.02 to 2.79], aHR 5.75 [95% CI, 5.05 to 6.55] for eGFR 45-59 ml/min per 1.73 m2, 30-44 ml/min per 1.73 m2, 15-29 ml/min per 1.73 m2 at cohort entrance, respectively, when compared with eGFR 60-89 ml/min per 1.73 m2), glomerular disease (aHR 2.01 [95% CI, 1.78 to 2.28]), malignancy (aHR 1.79 [95% CI, 1.52 to 2.11]), proteinuria (aHR 2.23 [95% CI, 1.89 to 2.62]), hypertension (aHR 1.49 [95% CI, 1.22 to 1.82]), proteinuria and hypertension together (aHR 3.98 [95% CI, 3.40 to 4.68]), count of complex chronic comorbidities (aHR 1.07 [95% CI, 1.05 to 1.10] per additional comorbid body system), male sex (aHR 1.16 [95% CI, 1.05 to 1.28]), and younger age at cohort entrance (aHR 0.95 [95% CI, 0.94 to 0.96] per year older). CONCLUSIONS: In large-scale real-world data for children with CKD, disease etiology, albuminuria, hypertension, age, male sex, lower eGFR, and greater medical complexity at start of follow-up were associated with more rapid decline in kidney function.


Sujet(s)
Hypertension artérielle , Insuffisance rénale chronique , Humains , Mâle , Enfant , Femelle , Dossiers médicaux électroniques , Études rétrospectives , Évolution de la maladie , Insuffisance rénale chronique/diagnostic , Insuffisance rénale chronique/épidémiologie , Insuffisance rénale chronique/thérapie , Hypertension artérielle/épidémiologie , Hypertension artérielle/complications , Protéinurie/étiologie , Facteurs de risque , Débit de filtration glomérulaire , Rein
16.
Prog Mol Biol Transl Sci ; 195: 101-120, 2023.
Article de Anglais | MEDLINE | ID: mdl-36707150

RÉSUMÉ

G protein-coupled receptors (GPCRs) are expressed by most tissues in the body and are exploited pharmacologically in a variety of pathological conditions including diabetes, cardiovascular disease, neurological diseases, and cancers. Numerous cell signaling pathways can be regulated by GPCR activation, depending on the specific GPCR, ligand and cell type. Ion channels are among the many effector proteins downstream of these signaling pathways. Saliently, ion channels are also recognized as druggable targets, and there is evidence that their activity may regulate GPCR function via membrane potential and cytoplasmic ion concentration. Overall, there appears to be a large potential for crosstalk between ion channels and GPCRs. This might have implications not only for targeting GPCRs for drug development, but also opens the possibility of co-targeting them with ion channels to achieve improved therapeutic outcomes. In this review, we highlight the large variety of possible GPCR-ion channel crosstalk modes.


Sujet(s)
Canaux ioniques , Interactions entre récepteurs , Récepteurs couplés aux protéines G , Transduction du signal , Humains , Maladies cardiovasculaires/métabolisme , Canaux ioniques/métabolisme , Récepteurs couplés aux protéines G/métabolisme , Interactions entre récepteurs/physiologie
17.
Cleft Palate Craniofac J ; 60(6): 679-688, 2023 06.
Article de Anglais | MEDLINE | ID: mdl-35199604

RÉSUMÉ

OBJECTIVE: This study describes primary surgical reconstructions performed for children born with a cleft lip and/or palate (CL ± P) in the United Kingdom (UK). DESIGN: Data forms completed at the time of surgery included details on timing, technique, and adjuncts used during the operative period. Demographic data on participants were validated via parental questionnaires. SETTING: Data were obtained from the Cleft Collective, a national longitudinal cohort study. PATIENTS: Between 2015 and 2021, 1782 Cleft Collective surgical forms were included, relating to the primary reconstructions of 1514 individual children. RESULTS: The median age at primary cheiloplasty was 4.3 months. Unilateral cleft lips (UCL) were reconstructed with an anatomical subunit approximation technique in 53%, whereas bilateral cleft lips (BCL) were reconstructed with a broader range of eponymous techniques. Clefts of the soft palate were reconstructed at a median age of 10.3 months with an intravelar veloplasty in 94% cases. Clefts of the hard palate were reconstructed with a vomer flap in 84% cases in a bimodal age distribution, relating to reconstruction carried out simultaneously with either lip or soft palate reconstruction. Antibiotics were used in 96% of cases, with an at-induction-only regimen used more commonly for cheiloplasties (P < .001) and a 5 to 7-day postoperative regime used more commonly for soft palatoplasties (P < .001). Perioperative steroids were used more commonly in palatoplasties than cheiloplasties (P < .001) but tranexamic acid use was equivalent (P = .73). CONCLUSIONS: This study contributes to our understanding of current cleft surgical pathways in the UK and will provide a baseline for analysis of the effectiveness of utilized protocols.


Sujet(s)
Bec-de-lièvre , Fente palatine , , Humains , Enfant , Nourrisson , Bec-de-lièvre/chirurgie , Fente palatine/chirurgie , Études longitudinales , Palais osseux/chirurgie , Palais mou/chirurgie
18.
Arch Dis Child ; 108(1): 42-46, 2023 01.
Article de Anglais | MEDLINE | ID: mdl-36376018

RÉSUMÉ

OBJECTIVES: To determine the prevalence of syndromic Robin sequence (RS) in the UK and if this group of patients had an increased need for airway and feeding management compared with a non-syndromic RS cohort. DESIGN: A prospective national multicentre study of cases submitted to the Cleft Collective cohort studies. SETTING: Specialist cleft services in the UK. PATIENTS: 259 participants who fulfilled the diagnosis of RS. This group was compared with 548 participants with cleft palate only (CPO). MAIN OUTCOME MEASURES: The primary outcome measure was the presence of a syndrome in patients with RS and CPO. Secondary outcome measures included the use of airway and feeding adjuncts. RESULTS: An associated syndrome was seen in 28% of patients with RS and 14% of patients with CPO. The most common syndrome for the RS group was Stickler syndrome (27%). Syndromic status was significantly higher among patients with RS compared with those with CPO (OR 2.36, 95% CI 1.65 to 3.39; p<0.001). Patients with syndromic RS have an increased reliance on airway adjuncts compared with the patients without syndromic RS (OR 2.02, 95% CI 1.13 to 3.64; p=0.018). There was no evidence of a difference in the use of feeding adjuncts between syndromic and non-syndromic RS groups (OR 2.43, 95% CI 0.78 to 7.58; p=0.126). CONCLUSION: The presence of a syndrome has implications for management of patients with RS. Early identification of a syndrome may help prevent the consequences of a missed syndromic diagnosis. Routine ophthalmological and genetic screening for Stickler syndrome should be mandatory for all patients with RS.


Sujet(s)
Fente palatine , Syndrome de Pierre Robin , Humains , Syndrome de Pierre Robin/complications , Syndrome de Pierre Robin/diagnostic , Syndrome de Pierre Robin/épidémiologie , Études prospectives , Études rétrospectives , Fente palatine/complications , Fente palatine/épidémiologie , Études de cohortes
19.
J Am Soc Nephrol ; 33(12): 2233-2246, 2022 12.
Article de Anglais | MEDLINE | ID: mdl-36171052

RÉSUMÉ

BACKGROUND: Children with glomerular disease have unique risk factors for compromised bone health. Studies addressing skeletal complications in this population are lacking. METHODS: This retrospective cohort study utilized data from PEDSnet, a national network of pediatric health systems with standardized electronic health record data for more than 6.5 million patients from 2009 to 2021. Incidence rates (per 10,000 person-years) of fracture, slipped capital femoral epiphysis (SCFE), and avascular necrosis/osteonecrosis (AVN) in 4598 children and young adults with glomerular disease were compared with those among 553,624 general pediatric patients using Poisson regression analysis. The glomerular disease cohort was identified using a published computable phenotype. Inclusion criteria for the general pediatric cohort were two or more primary care visits 1 year or more apart between 1 and 21 years of age, one visit or more every 18 months if followed >3 years, and no chronic progressive conditions defined by the Pediatric Medical Complexity Algorithm. Fracture, SCFE, and AVN were identified using SNOMED-CT diagnosis codes; fracture required an associated x-ray or splinting/casting procedure within 48 hours. RESULTS: We found a higher risk of fracture for the glomerular disease cohort compared with the general pediatric cohort in girls only (incidence rate ratio [IRR], 1.6; 95% CI, 1.3 to 1.9). Hip/femur and vertebral fracture risk were increased in the glomerular disease cohort: adjusted IRR was 2.2 (95% CI, 1.3 to 3.7) and 5 (95% CI, 3.2 to 7.6), respectively. For SCFE, the adjusted IRR was 3.4 (95% CI, 1.9 to 5.9). For AVN, the adjusted IRR was 56.2 (95% CI, 40.7 to 77.5). CONCLUSIONS: Children and young adults with glomerular disease have significantly higher burden of skeletal complications than the general pediatric population.


Sujet(s)
Nécrose de la tête fémorale , Maladies du rein , Épiphysiolyse fémorale supérieure , Enfant , Humains , Nécrose de la tête fémorale/imagerie diagnostique , Nécrose de la tête fémorale/épidémiologie , Nécrose de la tête fémorale/étiologie , Études rétrospectives , Résultat thérapeutique , Épiphysiolyse fémorale supérieure/diagnostic , Épiphysiolyse fémorale supérieure/imagerie diagnostique , Radiographie , Maladies du rein/complications
20.
Crit Rev Oncog ; 27(1): 61-80, 2022.
Article de Anglais | MEDLINE | ID: mdl-35993979

RÉSUMÉ

Treatment options for men with metastatic prostate cancer have greatly expanded in the last decade. Androgen receptor pathway inhibitors, taxane cytotoxic therapy, poly(ADP-ribose) polymerase inhibitors, and radionuclide theranostics against prostate-specific membrane antigen have collectively contributed to incremental improvements in both quality and longevity of life for patients with metastatic castration-resistant prostate cancer (mCRPC). Despite these successes, few studies inform on optimal therapy selection and sequencing across this crowded treatment landscape. Genomic analysis of both tissue and liquid biopsy specimens shows promise in bridging this practice gap, with alterations in several key prostate cancer driver genes demonstrating clear associations with clinical outcomes, as well as informing use of novel precision medicine targeted therapies. In this review, we evaluate the current evidence of genomic alterations in various oncogenic signaling pathways as clinical biomarkers in mCRPC, focusing on correlative studies that analyzed outcomes based on findings in plasma cell-free DNA. We highlight the pitfalls of interpreting genomic findings in samples with substandard tumor content, and suggest pathologic and disease factors to consider when embarking upon tumor genotyping to guide treatment decisions in metastatic prostate cancer. As access to life-prolonging therapies improves, and barriers to cost-effective genotyping and reliable data interpretation are overcome, we anticipate that predictive and prognostic biomarkers that inform on disease biology, drug sensitivity, and therapy resistance will inevitably be integrated into the routine care of patients with metastatic prostate cancer.


Sujet(s)
Tumeurs prostatiques résistantes à la castration , Marqueurs biologiques , Génomique , Humains , Biopsie liquide , Mâle , Sélection de patients , Tumeurs prostatiques résistantes à la castration/traitement médicamenteux , Tumeurs prostatiques résistantes à la castration/génétique
SÉLECTION CITATIONS
DÉTAIL DE RECHERCHE
...