447 results on '"C. Cowan"'
Search Results
2. Physical activity levels in asthma: relationship with disease severity, body mass index and novel accelerometer-derived metrics
- Author
-
Helen Clare Ricketts, Duncan S. Buchan, Femke Steffensen, Rekha Chaudhuri, Julien S. Baker, and Douglas C. Cowan
- Subjects
Pulmonary and Respiratory Medicine ,Pediatrics, Perinatology and Child Health ,Immunology and Allergy - Abstract
Patients with asthma may feel limited in physical activity (PA). Reduced PA has been demonstrated in asthmatics versus healthy controls, and increasing PA associated with improved asthma outcomes. Obesity is commonly found with difficult-to-control asthma and worsens outcomes. We compared PA levels in participants with difficult-to-control asthma and elevated body mass index (BMI) (DOW group) and two mild-moderate asthma groups: one with BMI25 kg/mThis cross-sectional study used 7-day recordings from wrist-worn accelerometers to compare PA between groups. Inactive time, light (LPA), moderate-vigorous PA (MVPA) were measured, along with two novel metrics: intensity gradient (IG) reflecting PA intensity, and average acceleration (AA) reflecting PA volume. PA parameters were compared using ANOVA or Kruskall-Wallis testing. Correlation and linear regression analyses explored associations between PA parameters and asthma outcomes. As AA was the PA parameter correlated most closely with asthma-related outcomes, an exploratory analysis compared outcomes in highest and lowest AA quartiles.75 participants were recruited; 57 accelerometer readings were valid and included in analysis. Inactive time was significantly higher (Overweight/obese participants with difficult-to-control asthma performed less PA, and activity of reduced intensity and volume. Increased AA is associated with improvement in several asthma-related outcomes. Increased PA should be recommended to relevant patients.
- Published
- 2022
- Full Text
- View/download PDF
3. Development, validation and outcomes associated with a risk prediction algorithm for incident atrial fibrillation: retrospective national cohort study of 2 081 139 individuals
- Author
-
R Nadarajah, J Wu, D Hogg, K Raveendra, Y Nakao, K Nakao, R Arbel, M Haim, D Zahger, J Parry, C Bates, J C Cowan, and C P Gale
- Subjects
Physiology (medical) ,Cardiology and Cardiovascular Medicine - Abstract
Funding Acknowledgements Type of funding sources: Foundation. Main funding source(s): British Heart Foundation Background An algorithm that identifies individuals with a digital electronic health record (EHR) signature homologous to patients with atrial fibrillation (AF) could delineate a subpopulation that may benefit from early interventions to reduce future adverse events. Purpose We aimed to train and test a scalable algorithm to identify individuals at higher risk of incident AF in the short-term, and quantify associations with AF and a range of other conditions. Methods We used UK primary care EHR data from individuals aged ≥30 years without known AF in the CPRD-GOLD dataset (Jan 2, 1998, Nov 30, 2018), randomly divided into training (80%) and testing (20%) datasets. We trained a random forest classifier using age, sex, ethnicity and comorbidities (FIND-AF). Performance was evaluated in the testing dataset with internal bootstrap validation with 200 samples, and compared against the CHA2DS2-VASc and C2HEST scores. We calculated the cumulative incidence rate for AF, heart failure, valvular heart disease (and specifically aortic stenosis), MI, stroke or TIA, peripheral vascular disease, CKD, diabetes and COPD. Incident diagnoses were the first record of that condition in primary or secondary care records from any diagnostic position. We excluded individuals for the analysis of each condition who had a preceding diagnosis of that condition. Fine and Gray’s models with competing risk of death were fit for each condition between higher and lower predicted AF risk. Results FIND-AF could be applied to 100% of records for 2 081 139 individuals in the cohort. In the testing dataset (n = 416 228), individuals at higher predicted AF risk had similar baseline characteristics to individuals who developed incident AF (Table 1). Prediction performance for AF was strongest for FIND-AF (AUROC 0·824, 95% CI 0·813-0·829; Brier score 0.069) compared with CHA2DS2-VASc (0·784, 0·773-0·794; 0.093) and C2HEST (0·757, 0·744-0·770; 0.102). FIND-AF demonstrated favourable reclassification and superior net benefit on decision curve analysis, with robust performance in both sexes and across ethnic groups. The higher predicted risk cohort, compared to lower predicted risk, had a 20-fold higher 6-month incidence rate for AF and higher long-term risk of AF (HR 8·75, 95% CI 8·44-9·06), but also incident heart failure (HR 12.54, 95% CI 12.08-13.01) aortic stenosis (9.98, 9.16-10.87), stroke/TIA (8.07, 7.80-8.34), CKD (6.85, 6.70-7.00), peripheral vascular disease (6.62, 6.28-6.98), valvular heart disease (6.49, 6.14-6.85), MI (5.02, 4.82-5.22), diabetes (2.05, 2.00-2.10) and COPD (2.02, 2.00-2.05) (Figure 1). This cohort were also at higher risk of death (10.45, 10.23-10.68), accounting for 71% of cardiovascular deaths. Conclusions FIND-AF is applicable to national electronic health records data, identifies people at higher risk of incident AF within the next 6 months with good performance, and predicts risk of a range of other conditions and death.
- Published
- 2023
- Full Text
- View/download PDF
4. The Gelfand problem on annular domains of double revolution with monotonicity
- Author
-
A. Aghajani, C. Cowan, and A. Moameni
- Subjects
Applied Mathematics ,General Mathematics - Abstract
We consider the following Gelfand problem ( P ) λ { − Δ u = λ a ( x ) f ( u ) a m p ; in Ω , u > 0 a m p ; in Ω , u = 0 a m p ; on ∂ Ω , \begin{equation*} (P)_\lambda \qquad \left \{\begin {array}{ll} -\Delta u = \lambda a(x) f(u) & \text { in } \Omega , \\ u>0 & \text { in } \Omega , \\ u= 0 & \text { on } \partial \Omega , \end{array}\right . \end{equation*} where λ > 0 \lambda >0 is a parameter and f ( u ) = e u f(u)=e^u or f ( u ) = ( u + 1 ) p f(u)=(u+1)^p where p > 1 p>1 and a ( x ) a(x) is a nonnegative function with certain monotonicity (we allow a ( x ) = 1 a(x)=1 ). Here Ω \Omega is an annular domain which is also a double domain of revolution. Our interest will be in the question of the regularity of the extremal solution. We obtain improved compactness because of the annular nature of the domain and we obtain further compactness under some monotonicity assumptions on the domain.
- Published
- 2022
- Full Text
- View/download PDF
5. A Prospective Study of Growth Rate, Disease Incidence, and Mortality in Kittens Less than 9 Weeks of Age in Shelter and Foster Care
- Author
-
Elizabeth A, Berliner, Janet M, Scarlett, Allison C, Cowan, and Hussni, Mohammed
- Subjects
General Veterinary ,Animal Science and Zoology - Abstract
A prospective study was designed to (a) investigate the rate of daily weight gain among kittens less than 9 weeks old presented to an animal shelter, (b) identify factors (e.g., sex, clinical signs of disease, diet, and medical treatment) that affect daily weight gain, and (c) investigate the mortality of study kittens. The study of 203 kittens was conducted at a managed admission, no-kill animal shelter in upstate New York, USA, from April 2014 through October 2014. Body weight was measured daily from day of intake to adoption or 12 weeks of age. Fecal score, clinical signs of disease, food type, and medical treatments were recorded daily. Lethargy and being female were significantly associated with lower daily weight gain. Despite the challenges of shelter and foster care, the average daily weight gain for study kitten was higher than that reported in other settings such as catteries and laboratories. Five study kittens (2.5%) died or were euthanized. Daily monitoring systems provide opportunities for interventions, increased live outcomes, and improved welfare for kittens in shelter and foster care.
- Published
- 2022
- Full Text
- View/download PDF
6. The 2021 Updated European Association of Urology Guidelines on Metastatic Urothelial Carcinoma
- Author
-
Jason A. Efstathiou, Maria J. Ribal, Yann Neuzillet, Antoine G. van der Heijden, Richard Cathomas, Matthieu Rouanne, Nigel C. Cowan, Rainer Fietkau, Harman Maxim Bruins, Anja Lorch, Erik Veskimäe, Estefania Linares Espinós, J. Alfred Witjes, Virginia Hernández, Georgios Gakis, Matthew I. Milowsky, Eva Compérat, George N. Thalmann, University of Zurich, and Cathomas, Richard
- Subjects
Male ,2748 Urology ,medicine.medical_specialty ,Metastatic Urothelial Carcinoma ,Urology ,610 Medicine & health ,Pembrolizumab ,Avelumab ,Maintenance therapy ,Atezolizumab ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,medicine ,Humans ,Carcinoma, Transitional Cell ,Bladder cancer ,business.industry ,Guideline ,medicine.disease ,Regimen ,Urinary Bladder Neoplasms ,10032 Clinic for Oncology and Hematology ,Female ,Cisplatin ,610 Medizin und Gesundheit ,business ,medicine.drug - Abstract
Contains fulltext : 248305.pdf (Publisher’s version ) (Closed access) CONTEXT: Treatment of metastatic urothelial carcinoma is currently undergoing a rapid evolution. OBJECTIVE: This overview presents the updated European Association of Urology (EAU) guidelines for metastatic urothelial carcinoma. EVIDENCE ACQUISITION: A comprehensive scoping exercise covering the topic of metastatic urothelial carcinoma is performed annually by the Guidelines Panel. Databases covered by the search included Medline, EMBASE, and the Cochrane Libraries, resulting in yearly guideline updates. EVIDENCE SYNTHESIS: Platinum-based chemotherapy is the recommended first-line standard therapy for all patients fit to receive either cisplatin or carboplatin. Patients positive for programmed death ligand 1 (PD-L1) and ineligible for cisplatin may receive immunotherapy (atezolizumab or pembrolizumab). In case of nonprogressive disease on platinum-based chemotherapy, subsequent maintenance immunotherapy (avelumab) is recommended. For patients without maintenance therapy, the recommended second-line regimen is immunotherapy (pembrolizumab). Later-line treatment has undergone recent advances: the antibody-drug conjugate enfortumab vedotin demonstrated improved overall survival and the fibroblast growth factor receptor (FGFR) inhibitor erdafitinib appears active in case of FGFR3 alterations. CONCLUSIONS: This 2021 update of the EAU guideline provides detailed and contemporary information on the treatment of metastatic urothelial carcinoma for incorporation into clinical practice. PATIENT SUMMARY: In recent years, several new treatment options have been introduced for patients with metastatic urothelial cancer (including bladder cancer and cancer of the upper urinary tract and urethra). These include immunotherapy and targeted treatments. This updated guideline informs clinicians and patients about optimal tailoring of treatment of affected patients.
- Published
- 2022
- Full Text
- View/download PDF
7. A pragmatic randomised controlled trial of tailored pulmonary rehabilitation in participants with difficult-to-control asthma and elevated body mass index
- Author
-
Helen Clare Ricketts, Varun Sharma, Femke Steffensen, Anna Goodfellow, Elaine Mackay, Gordon MacDonald, Duncan S. Buchan, Rekha Chaudhuri, and Douglas C. Cowan
- Subjects
Male ,Pulmonary and Respiratory Medicine ,Dyspnea ,Quality of Life ,Humans ,Female ,Middle Aged ,Asthma ,Body Mass Index ,Exercise Therapy - Abstract
Background Difficult-to-control asthma associated with elevated body mass index (BMI) is challenging with limited treatment options. The effects of pulmonary rehabilitation (PR) in this population are uncertain. Methods This is a randomised controlled trial of an eight-week asthma-tailored PR programme versus usual care (UC) in participants with difficult-to-control asthma and BMI ≥ 25 kg/m2. PR comprised two hours of education and supervised exercise per week, with encouragement for two individual exercise sessions. Primary outcome was difference in change in Asthma Quality of Life Questionnaire (AQLQ) in PR versus UC groups between visits. Secondary outcomes included difference in change in Asthma Control Questionnaire-6 (ACQ6), and a responder analysis comparing proportion reaching minimum clinically important difference for AQLQ and ACQ6. Results 95 participants were randomised 1:1 to PR or UC. Median age was 54 years, 60% were female and median BMI was 33.8 kg/m2. Mean (SD) AQLQ was 3.9 (+/-1.2) and median (IQR) ACQ6 2.8(1.8–3.6). 77 participants attended a second visit and had results analysed. Median (IQR) change in AQLQ was not significantly different: 0.3 (− 0.2 to 0.6) in PR and − 0.1 (− 0.5 to 0.4) in UC, p = 0.139. Mean change in ACQ6 was significantly different: − 0.4 (95% CI − 0.6 to − 0.2) in PR and 0 (− 0.3 to + 0.3) in UC, p = 0.015, but below minimum clinically important difference. In ACQ6 responder analysis, minimum clinically important difference was reached by 18 PR participants (54.5%) versus 10 UC (22.7%), p = 0.009. Dropout rate was 31% between visits in PR group, and time to completion was significantly prolonged in PR group at 94 (70–107) days versus 63 (56–73) in UC, p Conclusions PR improved asthma control and reduced perceived breathlessness in participants with difficult-to-control asthma and elevated BMI. However, this format appears to be suboptimal for this population with high drop-out rates and prolonged time to completion. Trial registration Clinicaltrials.gov. ID NCT03630432. Retrospectively registered, submitted May 26th 2017, posted August 14th 2018.
- Published
- 2022
- Full Text
- View/download PDF
8. Sleep parameter comparison between mild and difficult-to-treat asthma using accelerometery
- Author
-
V Sharma, H C Ricketts, F Steffensen, A Goodfellow, D S Buchan, and D C Cowan
- Published
- 2022
- Full Text
- View/download PDF
9. Short and longer-term effects of tailored pulmonary rehabilitation for difficult-to-control asthma associated with elevated body mass index
- Author
-
C Ricketts, F Steffensen, D S Buchan, R Chaudhuri, and D C Cowan
- Published
- 2022
- Full Text
- View/download PDF
10. A randomised controlled trial of the effects of a total diet replacement programme in uncontrolled asthma associated with obesity
- Author
-
V Sharma, H C Ricketts, L Mccombie, N Brosnahan, L Crawford, L Slaughter, A Goodfellow, F Steffensen, R Chaudri, M E Lean, and D C Cowan
- Published
- 2022
- Full Text
- View/download PDF
11. Owen the preacher
- Author
-
Martyn C. Cowan
- Published
- 2022
- Full Text
- View/download PDF
12. Magnesium and Fracture Risk in the General Population and Patients Receiving Dialysis: A Narrative Review
- Author
-
Andrea C. Cowan, Kristin K. Clemens, Jessica M. Sontrop, Stephanie N. Dixon, Lauren Killin, Sierra Anderson, Rey R. Acedillo, Amit Bagga, Clara Bohm, Pierre Antoine Brown, Brenden Cote, Varun Dev, Claire Harris, Swapnil Hiremath, Mercedeh Kiaii, Eduardo Lacson, Amber O. Molnar, Matthew J. Oliver, Malvinder S. Parmar, Jennifer M. McRae, Bharat Nathoo, Kathleen Quinn, Nikhil Shah, Samuel A. Silver, Daniel J. Tascona, Stephanie Thompson, Robert H. Ting, Marcello Tonelli, Hans Vorster, Davinder B. Wadehra, Ron Wald, Myles Wolf, and Amit X. Garg
- Subjects
Nephrology - Abstract
Purpose of Review: Magnesium is an essential mineral for bone metabolism, but little is known about how magnesium intake alters fracture risk. We conducted a narrative review to better understand how magnesium intake, through supplementation, diet, or altering the concentration of dialysate magnesium, affects mineral bone disease and the risk of fracture in individuals across the spectrum of kidney disease. Sources of Information: Peer-reviewed clinical trials and observational studies. Methods: We searched for relevant articles in MEDLINE and EMBASE databases. The methodologic quality of clinical trials was assessed using a modified version of the Downs and Black criteria checklist. Key Findings: The role of magnesium intake in fracture prevention is unclear in both the general population and in patients receiving maintenance dialysis. In those with normal kidney function, 2 meta-analyses showed higher bone mineral density in those with higher dietary magnesium, whereas 1 systematic review showed no effect on fracture risk. In patients receiving maintenance hemodialysis or peritoneal dialysis, a higher concentration of dialysate magnesium is associated with a lower concentration of parathyroid hormone, but little is known about other bone-related outcomes. In 2 observational studies of patients receiving hemodialysis, a higher concentration of serum magnesium was associated with a lower risk of hip fracture. Limitations: This narrative review included only articles written in English. Observed effects of magnesium intake in the general population may not be applicable to those with chronic kidney disease particularly in those receiving dialysis.
- Published
- 2023
- Full Text
- View/download PDF
13. Tenotomy for diabetic foot ulcers: a scoping survey of current practice
- Author
-
L Hitchman, S Nandhra, C Gooday, C Cowan, F Bowling, J Nixon, J Pickard, J Cohen, L Atkin, N Rudarakanchana, R Collings, V Kavarthapu, J Shalhoub, F Games, and D Russell
- Abstract
Background: Diabetes mellitus is one of the fastest growing health crises of our time. One of the major complications is diabetic foot ulcers, many of which fail to heal. Tenotomy – transection of tendon fibres – may help to redistribute pressure in the foot and therefore help ulcer healing and prevent recurrence. The aim of this survey was to explore the availability of pressure relieving adjuncts, including tenotomy, in diabetic foot services and interest in collaborating in further research studies. Methods: An online survey was performed of healthcare professionals involved in the management of diabetic foot ulcers to explore the multidisciplinary composition of diabetic foot services, offloading therapies available and interest in collaborating in further research. Results: The survey gained 168 responses from 10 countries. Most responders were orthopaedic surgeons (61.3%, 103/168). Of those who responded, 70.8% (119/168) had a dedicated diabetic foot clinic and 99 (58.9%) reported having an active tenotomy service. 73.8% (124/168) of responders wished to further collaborate and 82.1% (138/168) were willing to help involve their patients in a future trial. Conclusions: The results of this survey showed the variation in tenotomy practice and an appetite for collaborative research in this area. The Vascular Society of Great Britain and Ireland Diabetic Foot Specialist Interest Group will address these uncertainties through targeted collaborative research to investigate tenotomy as a potential clinical and cost-effective treatment in diabetic foot care.
- Published
- 2021
- Full Text
- View/download PDF
14. P208 Does obesity affect fractional exhaled nitric oxide interpretation in difficult asthma?
- Author
-
A Goodfellow, F Steffensen, Douglas C. Cowan, V Sharma, and HC Ricketts
- Subjects
medicine.medical_specialty ,business.industry ,Interpretation (philosophy) ,Exhaled nitric oxide ,Medicine ,Difficult asthma ,business ,Intensive care medicine ,medicine.disease ,Affect (psychology) ,Obesity - Published
- 2021
- Full Text
- View/download PDF
15. P50 Use of accelerometers to compare physical activity levels in participants with asthma grouped by body mass index and asthma severity
- Author
-
JS Baker, HC Ricketts, Douglas C. Cowan, R Chaudhuri, DS Buchan, and F Steffensen
- Subjects
medicine.medical_specialty ,business.industry ,Physical therapy ,Asthma severity ,Physical activity ,Medicine ,business ,medicine.disease ,Body mass index ,Asthma - Published
- 2021
- Full Text
- View/download PDF
16. S33 A pragmatic, randomised controlled trial of a tailored pulmonary rehabilitation package in difficult-to-control asthma associated with elevated body mass index
- Author
-
HC Ricketts, G MacDonald, DS Buchan, F Steffensen, E Mackay, V Sharma, A Goodfellow, Rekha Chaudhuri, and Douglas C. Cowan
- Subjects
medicine.medical_specialty ,Randomized controlled trial ,law ,business.industry ,medicine.medical_treatment ,medicine ,Physical therapy ,Pulmonary rehabilitation ,medicine.disease ,business ,Elevated body mass index ,Asthma ,law.invention - Published
- 2021
- Full Text
- View/download PDF
17. Factors affecting patients’ decision to adjust treatment; secondary analysis of a randomised trial of treatment optimisation in patients with severe asthma
- Author
-
Ashley Woodcock, Liam G Heaney, Samantha Walker, James Lordan, John Busby, Peter Bradding, Douglas N. Robinson, John Matthews, Robert Niven, Rekha Chaudhuri, Cecile T.J. Holweg, Timothy C. Hardman, Adel H. Mansur, Catherine E. Hanratty, Peter H. Howarth, David F. Choy, Christopher E. Brightling, Douglas C. Cowan, Stephen J. Fowler, Tim Harrison, Ratko Djukanovic, Joseph R. Arron, Andrew Menzies-Gow, and Ian D. Pavord
- Subjects
Pediatrics ,medicine.medical_specialty ,business.industry ,Severe asthma ,Secondary analysis ,medicine ,In patient ,business - Published
- 2021
- Full Text
- View/download PDF
18. Effects of Dry Needling on Spasticity and Range of Motion: A Systematic Review
- Author
-
Claudia Hilton, Olivia Garcia, Emily Herbst, Rachel Bynum, Katrina Liou, April C. Cowan, and Mary Kossa
- Subjects
Occupational therapy ,medicine.medical_specialty ,Dry needling ,business.industry ,Modified Ashworth scale ,education ,MEDLINE ,CINAHL ,Cochrane Library ,Systematic review ,Occupational Therapy ,Dry Needling ,Outcome Assessment, Health Care ,medicine ,Physical therapy ,Humans ,Range of Motion, Articular ,Range of motion ,business - Abstract
Importance: This systematic review summarizes existing studies on dry needling for spasticity and range of motion (ROM) and discusses its potential for use as an occupational therapy intervention. Objective: To examine existing studies on the effects of dry needling on spasticity and ROM. Data Sources: Article citations and abstracts from Scopus, Cochrane Library, PubMed, CINAHL, and a university library search. Study Selection and Data Collection: Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were used in abstracting data. Peer-reviewed journal articles published in English between January 2007 and June 2019 were searched. Of 270 identified studies, 10 met the inclusion criteria. Studies were divided into categories on the basis of outcome measures (Modified Modified Ashworth Scale and ROM). Pain outcome measures were excluded because a systematic review addressing this outcome has recently been completed. Findings: Strong evidence was found to support the use of dry needling to decrease spasticity and increase ROM. Conclusions and Relevance: This systematic review suggests that dry needling is an effective physical agent modality to decrease spasticity and increase ROM, both of which are potentially beneficial to functional outcomes. What This Article Adds: This article provides information that may be helpful in determining the appropriateness of dry needling as an occupational therapy intervention.
- Published
- 2021
19. European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2020 Guidelines
- Author
-
Yann Neuzillet, Virginia Hernández, Maria J. Ribal, Anja Lorch, George N. Thalmann, Nigel C. Cowan, Antoine G. van der Heijden, Erik Veskimäe, H.M. Bruins, J. Alfred Witjes, Mathieu Rouanne, Richard Cathomas, Georgios Gakis, Estefania Linares Espinós, Eva Compérat, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Novartis British Microcirculation Society, BMS Astellas Pharma Ipsen AstraZeneca Janssen Biotech Merck Meso Scale Diagnostics, MSD Roche Sanofi Pasteur, Financial disclosures: J. Alfred Witjes certifies that all conflicts of interest, including specific financial interests and relationships and affiliations relevant to the subject matter or materials discussed in the manuscript (eg, employment/affiliation, grants or funding, consultancies, honoraria, stock ownership or options, expert testimony, royalties, or patents filed, received, or pending), are the following: Professor Dr. J.A. Witjes receives personal fees as an advisor for Roche, Merck, and BMS. Professor Dr. R. Cathomas received personal fees from Roche, Pfizer, MSD, BMS, AstraZeneca, Janssen, Astellas, Bayer, Sanofi Aventis, Debiopharm, Novartis, and Ipsen. Professor Dr. G. Gakis is a company consultant for Erbe, Ipsen, Pierre Fabre, Medac, and MSD, and receives research support from IPSEN. Professor Dr. A. Lorch is a principal investigator for phase 2 and 3 trials with Roche, MSD, AstraZeneca, Ipsen, Janssen, Bayer, Novartis, and BMS, is a member of advisory boards for Roche, Novartis, Ipsen, MSD, BMS, and Janssen, receives honoraria for lectures and travel fees from Roche, AstraZeneca, Novartis, and Ipsen, and receives travel fees from MSD. Dr. Y. Neuzillet is a consultant for Astellas, AstraZeneca, Bouchara-Recordati, BMS, Ipsen, Janssen, Medac, MSD, Roche, Sanofi Pasteur, and Sanofi Aventis. Professor Dr. M.J. Ribal receives speaker honoraria from Astellas, Janssen, Ipsen, and Olympus. Dr. H.M. Bruins, Professor Dr. E.M. Comp?rat, Dr. N.C. Cowan, Dr. V. Hern?ndez, Dr. E. Linares-Espin?s, Dr. M. Rouanne, Professor Dr. G.N. Thalmann, Dr. E. Veskimae, Dr. A.G. van der Heijden have nothing to disclose., University of Zurich, and Witjes, J Alfred
- Subjects
2748 Urology ,Quality of life ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,610 Medicine & health ,Context (language use) ,Pembrolizumab ,Guidelines ,Cystectomy ,[SDV.MHEP.UN]Life Sciences [q-bio]/Human health and pathology/Urology and Nephrology ,03 medical and health sciences ,0302 clinical medicine ,Muscle invasive ,Diagnosis ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,medicine ,Multimodality ,Bladder cancer ,business.industry ,Follow-up ,Evidence-based medicine ,Perioperative ,Guideline ,medicine.disease ,3. Good health ,Management ,Clinical trial ,European Association of Urology ,030220 oncology & carcinogenesis ,10032 Clinic for Oncology and Hematology ,Metastatic ,business - Abstract
International audience; Context: This overview presents the updated European Association of Urology (EAU) guidelines for muscle-invasive and metastatic bladder cancer (MMIBC). Objective: To provide practical evidence-based recommendations and consensus statements on the clinical management of MMIBC with a focus on diagnosis and treatment. Evidence acquisition: A broad and comprehensive scoping exercise covering all areas of the MMIBC guideline has been performed annually since its 2017 publication (based on the 2016 guideline). Databases covered by the search included Medline, EMBASE, and the Cochrane Libraries, resulting in yearly guideline updates. A level of evidence and a grade of recommendation were assigned. Additionally, the results of a collaborative multistakeholder consensus project on advanced bladder cancer (BC) have been incorporated in the 2020 guidelines, addressing those areas where it is unlikely that prospective comparative studies will be conducted. Evidence synthesis: Variant histologies are increasingly reported in invasive BC and are relevant for treatment and prognosis. Staging is preferably done with (enhanced) computerised tomography scanning. Treatment decisions are still largely based on clinical factors. Radical cystectomy (RC) with lymph node dissection remains the recommended treatment in highest-risk non–muscle-invasive and muscle-invasive nonmetastatic BC, preceded by cisplatin-based neoadjuvant chemotherapy (NAC) for invasive tumours in “fit” patients. Selected men and women benefit from sexuality sparing RC, although this is not recommended as standard therapy. Open and robotic RC show comparable outcomes, provided the procedure is performed in experienced centres. For open RC 10, the minimum selected case load is 10 procedures per year. If bladder preservation is considered, chemoradiation is an alternative in well-selected patients without carcinoma in situ and after maximal resection. Adjuvant chemotherapy should be considered if no NAC was given. Perioperative immunotherapy can be offered in clinical trial setting. For fit metastatic patients, cisplatin-based chemotherapy remains the first choice. In cisplatin-ineligible patients, immunotherapy in Programmed Death Ligand 1 (PD-L1)-positive patients or carboplatin in PD-L1–negative patients is recommended. For second-line treatment in metastatic disease, pembrolizumab is recommended. Postchemotherapy surgery may prolong survival in responders. Quality of life should be monitored in all phases of treatment and follow-up. The extended version of the guidelines is available at the EAU website: https://uroweb.org/guideline/bladder-cancer-muscle-invasive-and-metastatic/. Conclusions: This summary of the 2020 EAU MMIBC guideline provides updated information on the diagnosis and treatment of MMIBC for incorporation into clinical practice. Patient summary: The European Association of Urology Muscle-invasive and Metastatic Bladder Cancer (MMIBC) Panel has released an updated version of their guideline, which contains information on histology, staging, prognostic factors, and treatment of MMIBC. The recommendations are based on the current literature (until the end of 2019), with emphasis on high-level data from randomised clinical trials and meta-analyses and on the findings of an international consensus meeting. Surgical removal of the bladder and bladder preservation are discussed, as well as the use of chemotherapy and immunotherapy in localised and metastatic disease. Radical cystectomy with urinary diversion remains the mainstay of managing muscle-invasive bladder cancer (MIBC). The use of neoadjuvant chemotherapy (NAC) has improved overall survival rates, but selection of patients who will benefit most from NAC remains challenging. In case bladder-preserving strategies are considered, patient stratification according to their risk profile is imperative and management should be discussed in a multidisciplinary team. As yet, there are no validated prognostic molecular markers to guide the clinical management of MIBC. In a metastatic setting, cisplatin-based chemotherapy remains the first choice in fit patients. In unfit patients, based on interim results from two on-going clinical trials, first-line treatment with pembrolizumab or atezolizumab for urothelial cancer is restricted to Programmed Death Ligand 1-positive patients only.
- Published
- 2021
- Full Text
- View/download PDF
20. Cultivating not Weeding: STEM First Year Learning Community Fosters Student Persistence and Engagement
- Author
-
Cory C. Cowan, Mara Brady, Jaime Arvizu, Amber Reece, Beth Weinman, and Matthew Zivot
- Subjects
Education - Abstract
Regional comprehensive universities with access-oriented missions provide critical pathways for increasing the number and diversity of STEM graduates. The BOND program at California State University, Fresno supports the transition to college for first-time, full-time freshmen in selected STEM majors. BOND incorporates a learning community, active learning, and early course-based research experiences. Compared to comparison groups, students that participate in BOND are 1.93 times more likely to persist in STEM into their fourth year despite similar academic achievement in introductory STEM courses. A higher proportion of BOND students also engage with campus resources that support their first and second year on campus, which suggests that appropriate support builds persistence through the challenges of a STEM degree. This study highlights the importance of providing support strategies and resources in the first year for STEM retention, counter to the traditional narrative of “weeding out” students in their first year on campus.
- Published
- 2022
- Full Text
- View/download PDF
21. Open-source geophysical software development for groundwater applications
- Author
-
Devin C. Cowan, Douglas W. Oldenburg, Seogi Kang, Lindsey J. Heagy, and Joseph Capriotti
- Subjects
Open source ,Petroleum engineering ,business.industry ,Software development ,business ,Groundwater ,Geology - Published
- 2020
- Full Text
- View/download PDF
22. Improving water security in Mon State, Myanmar via geophysical capacity building
- Author
-
Douglas W. Oldenburg, Devin C. Cowan, Joseph Capriotti, Seogi Kang, Michael Maxwell, Kevin Fan, and Lindsey J. Heagy
- Subjects
Engineering ,Water security ,business.industry ,Capacity building ,State (computer science) ,business ,Civil engineering - Published
- 2020
- Full Text
- View/download PDF
23. The role of open source resources and practices in capacity building
- Author
-
Douglas W. Oldenburg, Joseph Capriotti, Lindsey J. Heagy, Kevin Fan, Michael Maxwell, Seogi Kang, and Devin C. Cowan
- Subjects
Engineering ,Architectural engineering ,Open source ,business.industry ,Capacity building ,business - Published
- 2020
- Full Text
- View/download PDF
24. Late Breaking Abstract - Retrospective analysis of CPAP using home NIV machines outwith ICU for COVID-19
- Author
-
Varun Sharma, Douglas C. Cowan, Dagshagini Taylor, Pauline Grose, Daniel Rodgers, Grace McDowell, David Colville, Allan Cameron, Thomas French, Jill Selfridge, Joris Van Der Horst, Elizabeth Routledge, and Mark F. Cotton
- Subjects
Mechanical ventilation ,medicine.medical_specialty ,ARDS ,Respiratory distress ,business.industry ,medicine.medical_treatment ,medicine.disease ,respiratory tract diseases ,Pneumonia ,Respiratory failure ,Oxygen therapy ,Intensive care ,Emergency medicine ,medicine ,Continuous positive airway pressure ,business - Abstract
Coronavirus Disease 19 (COVID-19) can present as an Adult Respiratory Distress Syndrome (ARDS)-like pneumonia Continuous Positive Airway Pressure (CPAP) for ARDS is usually delivered in Intensive Care Units (ICU) Pressure for ICU beds led to Glasgow Royal Infirmary developing a COVID-19 High Dependency Unit (C-HDU) where domiciliary non-invasive ventilators (NIV) (Lumis 150, Resmed) with supplementary oxygen delivered CPAP for respiratory failure due to COVID-19 pneumonia We review the feasibility and efficacy of delivering CPAP outside the ICU setting Method: Retrospective analysis of data from patients receiving CPAP in C-HDU (25th March to 8th May 2020) Results: 58 patients received CPAP in total 46/58 received CPAP only 18/46 improved and were discharged by day 30 12/46 died by day 30 12/46 required mechanical ventilation - of these 6/12 successfully extubated and well at day 30, 3/12 remain in ICU and 3/12 died 4/46 failed CPAP but survived with simple oxygen therapy 12/58 did not tolerate CPAP and were switched to nasal high flow oxygen - of these 8/12 are well at day 30 Conclusions: It is feasible to deliver CPAP using domiciliary NIV machines with supplementary oxygen for COVID-19 pneumonia outwith ICU CPAP has potential to improve patient outcomes, prevent ICU admissions and deliver tangible service efficiencies C-HDU established a multi-disciplinary approach to patient care, incorporating acute medical and respiratory physicians with respiratory physiology support and developed protocols using an iterative learning approach Trials for CPAP in COVID-19 pneumonia are ongoing, but our experience supports its role and the practicality of delivering CPAP using domiciliary NIV equipment
- Published
- 2020
- Full Text
- View/download PDF
25. Late Breaking Abstract - Corticosteroid optimisation in severe asthma using composite biomarkers to adjust dose versus a symptom/risk-based algorithm
- Author
-
Peter H. Howarth, Ratko Djukanovic, Douglas N. Robinson, Catherine E. Hanratty, John Busby, James Lordan, Peter Bradding, Christopher E. Brightling, Stephen J. Fowler, Ashley Woodcock, Liam G Heaney, Tim Harrison, Samantha Walker, Rehka Chaudhuri, Robert Niven, David F. Choy, Joseph R. Arron, Adel H. Mansur, Timothy C. Hardman, Douglas C Cowan, and Andrew Menzies-Gow
- Subjects
medicine.medical_specialty ,education.field_of_study ,Group trial ,business.industry ,medicine.drug_class ,Severe asthma ,Population ,Internal medicine ,Asthma control ,Exhaled nitric oxide ,Medicine ,Biomarker (medicine) ,Corticosteroid ,business ,education ,Lung function - Abstract
Introduction: Increasing corticosteroids (CS) to control asthma symptoms and exacerbations has potential for inappropriately high and difficult to down-titrate CS doses. Aims and Objectives: We tested whether a T2 biomarker-based strategy (BS) to guide CS reduction (factoring fractional exhaled nitric oxide (FeNO), blood eosinophils, serum periostin) vs. a symptom-based control would see fewer exacerbations and better asthma control and lung function. Methods: In this randomised (4:1/BS:control), single-blind parallel group trial, patients (pts) with severe asthma and FeNO Results: In the intention-to-treat population (240 BS vs. 61 control pts), the proportion of BS pts on lower CS dose at Wk48 was 28.4% vs. 18.5% in the controls (adjusted OR: 1.71; 95%CI 0.80, 3.63; p=0.165). In the per protocol (PP) population (n=121), significantly more pts had lower CS doses at Wk48 in the BS vs. the control group (30.7% vs. 5.0% (OR: 11.48; 95%CI 1.35, 97.83; p=0.026). Failure to follow treatment advice was the main reason for ITT and PP population differences. There was no difference in secondary outcomes between study arms. Conclusion: Biomarker based CS adjustment did not result in a greater proportion of pts reducing CS vs. control, probably because many pts did not follow treatment advice. The biomarker strategy seemed beneficial in pts where symptoms and T2 biomarker profile were discordant.
- Published
- 2020
- Full Text
- View/download PDF
26. European Association of Urology Guidelines on Primary Urethral Carcinoma-2020 Update
- Author
-
Yann Neuzillet, Mathieu Rouanne, Richard Cathomas, Georgios Gakis, Alfred Witjes, George N. Thalmann, Erik Veskimäe, Eva Compérat, Estefania Linares Espinós, Virginia Hernández, Maria J. Ribal, Anja Lorch, Nigel C. Cowan, Harman Maxim Bruins, Antoine G. van der Heijden, and University of Zurich
- Subjects
2748 Urology ,medicine.medical_specialty ,Urology ,Pathological staging ,medicine.medical_treatment ,030232 urology & nephrology ,610 Medicine & health ,Metastasis ,03 medical and health sciences ,All institutes and research themes of the Radboud University Medical Center ,0302 clinical medicine ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,medicine ,2741 Radiology, Nuclear Medicine and Imaging ,Humans ,Radiology, Nuclear Medicine and imaging ,Radical surgery ,Transurethral resection of the prostate ,Urethral Neoplasms ,Urethral Carcinoma ,business.industry ,medicine.disease ,2746 Surgery ,Radiation therapy ,Urethra ,medicine.anatomical_structure ,Oncology ,030220 oncology & carcinogenesis ,10032 Clinic for Oncology and Hematology ,Adenocarcinoma ,Surgery ,2730 Oncology ,business ,Algorithms - Abstract
CONTEXT Primary urethral carcinoma (PUC) is a rare cancer accounting for
- Published
- 2020
- Full Text
- View/download PDF
27. Sex dependent effects of early-life microbiota depletion on behaviour, neuroimmune function and neuronal development
- Author
-
C. Lynch, C. Cowan, T. Bastiaanssen, N. Theune, E. Florensa, M. Van de Wouw, T. Dinan, G. Clarke, and J. Cryan
- Published
- 2022
- Full Text
- View/download PDF
28. European Association of Urology Guidelines on Upper Urinary Tract Urothelial Carcinoma: 2017 Update
- Author
-
Morgan Rouprêt, Marko Babjuk, Eva Compérat, Richard Zigeuner, Richard J. Sylvester, Maximilian Burger, Nigel C. Cowan, Paolo Gontero, Bas W.G. Van Rhijn, A. Hugh Mostafid, Joan Palou, and Shahrokh F. Shariat
- Subjects
Urologic Neoplasms ,Consensus ,Evidence-Based Medicine ,Survival ,Urology ,Carcinoma ,Clinical Decision-Making ,030232 urology & nephrology ,Cytology ,Guidelines ,Nephroureterectomy ,Renal pelvis ,Risk factors ,Ureter ,Ureteroscopy ,Urinary tract cancer ,Urothelial carcinoma ,03 medical and health sciences ,Treatment Outcome ,0302 clinical medicine ,030220 oncology & carcinogenesis ,Humans ,Urothelium ,Neoplasm Staging - Abstract
The European Association of Urology (EAU) Guidelines Panel on Upper Urinary Tract Urothelial Carcinoma (UTUC) has prepared updated guidelines to aid clinicians in the current evidence-based management of UTUC and to incorporate recommendations into clinical practice.To provide an overview of the EAU guidelines on UTUC as an aid to clinicians.The recommendations provided in the current guidelines are based on a thorough review of available UTUC guidelines and articles identified following a systematic search of Medline. Data on urothelial malignancies and UTUC were searched using the following keywords: urinary tract cancer; urothelial carcinomas; upper urinary tract, carcinoma; renal pelvis; ureter; bladder cancer; chemotherapy; ureteroscopy; nephroureterectomy; adjuvant treatment; instillation; recurrence; risk factors; and survival. References were weighted by a panel of experts.Owing to the rarity of UTUC, there are insufficient data to provide strong recommendations (ie, grade A). However, the results of recent multicentre studies are now available, and there is a growing number of retrospective articles in UTUC. The 2017 tumour, node, metastasis (TNM) classification is recommended. Recommendations are given for diagnosis and risk stratification, as well as for radical and conservative treatment; prognostic factors are also discussed. A single postoperative dose of intravesical mitomycin after radical nephroureterectomy reduces the risk of bladder tumour recurrence. Kidney-sparing management should be offered as a primary treatment option to patients with low-risk tumours and two functional kidneys.These guidelines contain information on the management of individual patients according to a current standardised approach. Urologists should take into account the specific clinical characteristics of each patient when determining the optimal treatment regimen, based on the proposed risk stratification of these tumours.Urothelial carcinoma of the upper urinary tract is rare, but because 60% of these tumours are invasive at diagnosis; appropriate diagnosis and management is most important. We present recommendations based on current evidence for optimal management.
- Published
- 2018
- Full Text
- View/download PDF
29. Transient VRM Response From a Large Circular Loop Over a Conductive and Magnetically Viscous Half-Space
- Author
-
Douglas W. Oldenburg, Devin C. Cowan, and Lin-Ping Song
- Subjects
Physics ,Physics::General Physics ,Mathematical analysis ,Crossover ,0211 other engineering and technologies ,Response time ,02 engineering and technology ,Half-space ,010502 geochemistry & geophysics ,01 natural sciences ,Loop (topology) ,Nuclear magnetic resonance ,Time derivative ,General Earth and Planetary Sciences ,Elliptic integral ,Transient response ,Transient (oscillation) ,Electrical and Electronic Engineering ,021101 geological & geomatics engineering ,0105 earth and related environmental sciences - Abstract
To effectively characterize the impact of viscous remanent magnetization (VRM) on the transient electromagnetic response, we present a set of analytical expressions for the vertical and radial VRM responses generated by a large circular loop over a magnetically viscous half-space. For a step-off excitation, Neel relaxation theory is used to express the VRM within the half-space as the product of a static on-time magnetization and a time-dependent aftereffect function. Through heuristic and empirical approximations to the elliptic integral of the second kind, we are able to convert Hankel integral-based expressions for static fields into simplified analytical expressions. These were validated with a numerical 1-D forward modeling code. Analytical expressions show that VRM responses are largest near the transmitter wire, and that at the center of a large loop, the strength of the VRM response is inversely proportional to the loop’s radius. We also present an estimate of the crossover time from which the VRM signal starts to dominate the transient response. We found that later crossover times were observed near the centers of large loops and that crossover times were much earlier near the transmitter wire. Also, the magnetic flux density has an earlier crossover time compared with its time derivative. To lower or remove the VRM response in an anticipated survey, our analytical expressions can be used straightforwardly to choose an appropriate loop size, identify the VRM response time window, and select an optimal set of time channels.
- Published
- 2017
- Full Text
- View/download PDF
30. Updated 2016 EAU Guidelines on Muscle-invasive and Metastatic Bladder Cancer
- Author
-
Yann Neuzillet, Eva Comperat, Antoine G. van der Heijden, Maria De Santis, Erik Veskimäe, Georgios Gakis, Maria J. Ribal, Thierry Lebret, James Dunn, Harman Maxim Bruins, Virginia Hernández, J. Alfred Witjes, Nigel C. Cowan, Estefania Linares Espinós, and Mathieu Rouanne
- Subjects
medicine.medical_specialty ,Urology ,medicine.medical_treatment ,Urinary Bladder ,030232 urology & nephrology ,Context (language use) ,Disease ,Cystectomy ,03 medical and health sciences ,0302 clinical medicine ,Adjuvants, Immunologic ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,Antineoplastic Combined Chemotherapy Protocols ,Epidemiology ,medicine ,Humans ,Neoplasm Invasiveness ,Neoplasm Metastasis ,Intensive care medicine ,Societies, Medical ,Carcinoma, Transitional Cell ,Bladder cancer ,Radiotherapy ,business.industry ,Muscle, Smooth ,Cystoscopy ,Evidence-based medicine ,medicine.disease ,Comorbidity ,Surgery ,Europe ,Radiation therapy ,Urinary Bladder Neoplasms ,030220 oncology & carcinogenesis ,BCG Vaccine ,business - Abstract
Item does not contain fulltext CONTEXT: Invasive bladder cancer is a frequently occurring disease with a high mortality rate despite optimal treatment. The European Association of Urology (EAU) Muscle-invasive and Metastatic Bladder Cancer (MIBC) Guidelines are updated yearly and provides information to optimise diagnosis, treatment, and follow-up of this patient population. OBJECTIVE: To provide a summary of the EAU guidelines for physicians and patients confronted with muscle-invasive and metastatic bladder cancer. EVIDENCE ACQUISITION: An international multidisciplinary panel of bladder cancer experts reviewed and discussed the results of a comprehensive literature search of several databases covering all sections of the guidelines. The panel defined levels of evidence and grades of recommendation according to an established classification system. EVIDENCE SYNTHESIS: Epidemiology and aetiology of bladder cancer are discussed. The proper diagnostic pathway, including demands for pathology and imaging, is outlined. Several treatment options, including bladder-sparing treatments and combinations of treatment modalities (different forms of surgery, radiation therapy, and chemotherapy) are described. Sequencing of these modalities is discussed. Potential indications and contraindications, such as comorbidity, are related to treatment choice. There is a new paragraph on organ-sparing approaches, both in men and in women, and on minimal invasive surgery. Recommendations for chemotherapy in fit and unfit patients are provided including second-line options. Finally, a follow-up schedule is provided. CONCLUSIONS: The current summary of the EAU Muscle-invasive and Metastatic Bladder Cancer Guidelines provides an up-to-date overview of the available literature and evidence dealing with diagnosis, treatment, and follow-up of patients with metastatic and muscle-invasive bladder cancer. PATIENT SUMMARY: Bladder cancer is an important disease with a high mortality rate. These updated guidelines help clinicians refine the diagnosis and select the appropriate therapy and follow-up for patients with metastatic and muscle-invasive bladder cancer.
- Published
- 2017
- Full Text
- View/download PDF
31. Oncologic Outcomes of Kidney-sparing Surgery Versus Radical Nephroureterectomy for Upper Tract Urothelial Carcinoma: A Systematic Review by the EAU Non-muscle Invasive Bladder Cancer Guidelines Panel
- Author
-
Richard Sylvester, Bas W.G. van Rhijn, Marko Babjuk, Morgan Rouprêt, Cathy Yuhong Yuan, Joan Palou, Maximilian Burger, J. Domínguez-Escrig, Andreas Böhle, Richard Zigeuner, Eero Kaasinen, Benoit Peyronnet, Shahrokh F. Shariat, Thomas Seisen, Harman Maxim Bruins, Nigel C. Cowan, and Eva Comperat
- Subjects
medicine.medical_specialty ,Percutaneous ,Ureterectomy ,Urology ,030232 urology & nephrology ,Context (language use) ,Kidney ,Nephroureterectomy ,03 medical and health sciences ,0302 clinical medicine ,Ureteroscopy ,Humans ,Medicine ,Carcinoma, Transitional Cell ,Bladder cancer ,medicine.diagnostic_test ,Ureteral Neoplasms ,business.industry ,Retrospective cohort study ,medicine.disease ,Kidney Neoplasms ,Surgery ,Systematic review ,medicine.anatomical_structure ,030220 oncology & carcinogenesis ,Ureter ,business ,Organ Sparing Treatments ,Renal pelvis - Abstract
Context There is uncertainty regarding the oncologic effectiveness of kidney-sparing surgery (KSS) compared with radical nephroureterectomy (RNU) for upper tract urothelial carcinoma (UTUC). Objective To systematically review the current literature comparing oncologic outcomes of KSS versus RNU for UTUC. Evidence acquisition A computerised bibliographic search of the Medline, Embase, and Cochrane databases was performed for all studies reporting comparative oncologic outcomes of KSS versus RNU. Approaches considered for KSS were segmental ureterectomy (SU) and ureteroscopic (URS) or percutaneous (PC) management. Using the methodology recommended by the Preferred Reporting Items for Systematic Reviews and Meta-analysis guidelines, we identified 22 nonrandomised comparative retrospective studies published between 1999 and 2015 that were eligible for inclusion in this systematic review. A narrative review and risk-of-bias (RoB) assessment were performed using cancer-specific survival (CSS) as the primary end point. Evidence synthesis Seven studies compared KSS overall ( n =547) versus RNU ( n =1376). Information on the comparison of SU ( n =586) versus RNU ( n =3692), URS ( n =162) versus RNU ( n =367), and PC ( n =66) versus RNU ( n =114) was available in 10, 5, and 2 studies, respectively. No significant difference was found between SU and RNU in terms of CSS or any other oncologic outcomes. Only patients with low-grade and noninvasive tumours experienced similar CSS after URS or PC when compared with RNU, despite an increased risk of local recurrence following endoscopic management of UTUC. The RoB assessment revealed, however, that the analyses were subject to a selection bias favouring KSS. Conclusions Our systematic review suggests similar survival after KSS versus RNU only for low-grade and noninvasive UTUC when using URS or PC. However, selected patients with high-grade and invasive UTUC could safely benefit from SU when feasible. These results should be interpreted with caution due to the risk of selection bias. Patient summary We reviewed the studies that compared kidney-sparing surgery versus radical nephroureterectomy for upper tract urothelial carcinoma. We found similar oncologic outcomes for favourable tumours when using ureteroscopic or percutaneous management, whereas indications for segmental ureterectomy could be extended to selected cases of aggressive tumours.
- Published
- 2016
- Full Text
- View/download PDF
32. Biomarkers and asthma management
- Author
-
Douglas C. Cowan and Hannah Bayes
- Subjects
medicine.medical_specialty ,Immunology ,Asthma management ,03 medical and health sciences ,0302 clinical medicine ,Animals ,Humans ,Immunology and Allergy ,Medicine ,030212 general & internal medicine ,Precision Medicine ,Disease management (health) ,Intensive care medicine ,Asthma ,Biological therapies ,Asthma therapy ,business.industry ,Disease Management ,Precision medicine ,medicine.disease ,Biological Therapy ,030228 respiratory system ,Quality of Life ,business ,Biomarkers - Abstract
Asthma is heterogeneous with different endotypes/phenotypes. Response to corticosteroids is variable and novel biological therapies are proving useful. Biomarkers allow individualization of treatment. This review provides an update on available data regarding asthma biomarkers with focus on their utility for prediction of response to steroidal and new biological therapies.Blood eosinophils are a biomarker with acceptable accuracy as a surrogate for sputum eosinophilia, are associated with relevant outcomes, and are more readily measureable. New evidence supports fraction of exhaled nitric oxide (FENO)-based treatment algorithms for cost-effective maintenance of asthma control/quality of life. Serum and sputum-derived periostin are biomarkers of lung function decline and associated with eosinophilic airway inflammation. Transcriptomics show promise for endotyping; their role in management remains to be determined. Biomarker panels may improve predictive value as shown for the combination of FENO/urinary bromotyrosine in prediction of steroid responsiveness. Novel biological therapies are proving effective in biomarker-selected populations.Biomarkers including blood eosinophils and FENO are proving to have utility for the effective administration of steroidal and novel biological therapies in asthma, allowing individualized treatment. Transcriptomics can discriminate subtypes of asthma and may have a role in delivery of individualized therapy.
- Published
- 2016
- Full Text
- View/download PDF
33. Asthma, obesity and targeted interventions: an update
- Author
-
Helen Clare Ricketts and Douglas C. Cowan
- Subjects
medicine.medical_specialty ,Diet therapy ,Immunology ,Bariatric Surgery ,Quality of life (healthcare) ,immune system diseases ,Immunology and Allergy ,Medicine ,Animals ,Humans ,Molecular Targeted Therapy ,Obesity ,Intensive care medicine ,Exercise ,Asthma ,Asthma therapy ,business.industry ,Targeted interventions ,medicine.disease ,respiratory tract diseases ,Quality of Life ,Gene-Environment Interaction ,Difficult asthma ,business ,Diet Therapy - Abstract
Obese asthma is now widely recognized as a phenotype of difficult asthma that is common and less responsive to traditional asthma treatments, so identifying specific treatments is increasingly important.Obesity can lead to asthma through a complex relationship of causes including mechanical, inflammatory, metabolic and genetic factors. Exercise programmes including pulmonary rehabilitation, weight loss via dietary restriction, exercise and bariatric surgery, or combinations of all of these can improve quality of life, symptoms, and exercise capacity, with reductions in medication use and exacerbations, and represent tailored treatment for this phenotype of severe difficult to treat asthmatic patients.Exercise programmes and pulmonary rehabilitation, weight loss programmes targeting 5-10% weight loss and bariatric surgery are effective treatments for the obese asthma phenotype.
- Published
- 2018
34. Burn Rehabilitation Along the Continuum of Care
- Author
-
M. Serghiou, Sheila Ott, April C. Cowan, Oscar E. Suman, and Jennifer Kemp-Offenberg
- Subjects
medicine.medical_specialty ,Modalities ,Rehabilitation ,Process (engineering) ,business.industry ,medicine.medical_treatment ,Psychological intervention ,Patient positioning ,Intensive care unit ,law.invention ,law ,Physical therapy ,Medicine ,Continuum of care ,business - Abstract
This chapter provides a comprehensive overview of how burn rehabilitation should be conducted along the continuum of care. The authors emphasize the importance of early rehabilitative interventions such as positioning, splinting, exercise, and functional mobility in the intensive care unit. They proceed to discuss and illustrate the various modalities practiced in burn rehabilitation, focusing on producing the best functional and cosmetic outcomes at the completion of the rehabilitative process.
- Published
- 2018
- Full Text
- View/download PDF
35. Sputum mast cell subtypes relate to eosinophilia and corticosteroid response in asthma
- Author
-
Vanessa M. McDonald, Juan-Juan Fu, Jodie L. Simpson, D. Robin Taylor, Peter G. Gibson, Douglas C. Cowan, Jan O. Cowan, Gang Wang, Lisa Wood, and Katherine J. Baines
- Subjects
Adult ,Male ,0301 basic medicine ,Pulmonary and Respiratory Medicine ,CPA3 ,Carboxypeptidases A ,Tryptase ,Nitric Oxide ,Young Adult ,03 medical and health sciences ,Chymases ,0302 clinical medicine ,Adrenal Cortex Hormones ,Eosinophilia ,Humans ,Medicine ,Mast Cells ,Prospective Studies ,Interleukin 5 ,Aged ,Oligonucleotide Array Sequence Analysis ,Inflammation ,biology ,business.industry ,Gene Expression Profiling ,Sputum ,Chymase ,Middle Aged ,Mast cell ,TPSAB1 ,Asthma ,Eosinophils ,Phenotype ,030104 developmental biology ,medicine.anatomical_structure ,Gene Expression Regulation ,030228 respiratory system ,Multivariate Analysis ,Exhaled nitric oxide ,Immunology ,biology.protein ,Regression Analysis ,Female ,Tryptases ,medicine.symptom ,business ,Biomarkers - Abstract
Mast cells are a resident inflammatory cell of the airways, involved in both the innate and adaptive immune response. The relationship between mast cells and inflammatory phenotypes and treatment response of asthma is not clear.Clinical characteristics of subjects with stable asthma (n=55), inflammatory cell counts and gene expression microarrays in induced sputum were analysed. Sputum mast cell subtypes were determined by molecular phenotyping based on expression of mast cell biomarkers (tryptase (TPSAB1), chymase (CMA1) and carboxypeptidase A3 (CPA3)). Effects of mast cell subtypes on steroid response were observed in a prospective cohort study (n=50).MCT (n=18) and MCT/CPA3 (mRNA expression of TPSAB1 and CPA3; n=29) subtypes were identified, as well as a group without mast cell gene expression (n=8). The MCT/CPA3 subtype had elevated exhaled nitric oxide fraction, sputum eosinophils, bronchial sensitivity and reactivity, and poorer asthma control. This was accompanied by upregulation of 13 genes. Multivariable logistic regression identified CPA3 (OR 1.21, p=0.004) rather than TPSAB1 (OR 0.92, p=0.502) as a determinant of eosinophilic asthma. The MCT/CPA3 subtype had a better clinical response and reduced signature gene expression with corticosteroid treatment.Sputum mast cell subtypes of asthma can be defined by a molecular phenotyping approach. The MCT/CPA3 subtype demonstrated increased bronchial sensitivity and reactivity, and signature gene expression, which was associated with airway eosinophilia and greater corticosteroid responsiveness.
- Published
- 2015
- Full Text
- View/download PDF
36. European Association of Urology Guidelines on Upper Urinary Tract Urothelial Cell Carcinoma: 2015 Update
- Author
-
Marko Babjuk, Richard Zigeuner, Joan Palou, Eva Comperat, Shahrokh F. Shariat, Maximilian Burger, Morgan Rouprêt, Nigel C. Cowan, A. Hugh Mostafid, Richard Sylvester, Paolo Gontero, and Bas W.G. van Rhijn
- Subjects
medicine.medical_specialty ,Survival ,Mitomycin ,Urology ,Urinary system ,Context (language use) ,Urinary tract cancer ,Guidelines ,Nephrectomy ,Nephroureterectomy ,Ureter ,Ureteroscopy ,medicine ,Humans ,Kidney Pelvis ,Societies, Medical ,Upper urinary tract ,Carcinoma, Transitional Cell ,Antibiotics, Antineoplastic ,Bladder cancer ,medicine.diagnostic_test ,Ureteral Neoplasms ,business.industry ,medicine.disease ,Kidney Neoplasms ,Regimen ,Administration, Intravesical ,medicine.anatomical_structure ,Urinary Bladder Neoplasms ,Risk factors ,Chemotherapy, Adjuvant ,Urothelial carcinoma ,Neoplasm Recurrence, Local ,Renal pelvis ,Cytology ,business - Abstract
Context The European Association of Urology (EAU) Guidelines Panel on Upper Urinary Tract Urothelial Carcinoma (UTUC) has prepared updated guidelines to aid clinicians in the current evidence-based management of UTUC and to incorporate recommendations into clinical practice. Objective To provide an overview of the EAU guidelines on UTUC as an aid to clinicians. Evidence acquisition The recommendations provided in the current guidelines are based on a thorough review of available UTUC guidelines and articles identified following a systematic search of Medline. Data on urothelial malignancies and UTUC were searched using the following keywords: urinary tract cancer; urothelial carcinomas; upper urinary tract, carcinoma; renal pelvis; ureter; bladder cancer; chemotherapy; ureteroscopy; nephroureterectomy; adjuvant treatment; instillation; recurrence; risk factors; and survival. References were weighted by a panel of experts. Evidence synthesis Owing to the rarity of UTUC, there are insufficient data to provide strong recommendations (ie, grade A). However, the results of recent multicentre studies are now available, and there is a growing number of retrospective articles in UTUC. The 2017 tumour, node, metastasis (TNM) classification is recommended. Recommendations are given for diagnosis and risk stratification, as well as for radical and conservative treatment; prognostic factors are also discussed. A single postoperative dose of intravesical mitomycin after radical nephroureterectomy reduces the risk of bladder tumour recurrence. Kidney-sparing management should be offered as a primary treatment option to patients with low-risk tumours and two functional kidneys. Conclusions These guidelines contain information on the management of individual patients according to a current standardised approach. Urologists should take into account the specific clinical characteristics of each patient when determining the optimal treatment regimen, based on the proposed risk stratification of these tumours. Patient summary Urothelial carcinoma of the upper urinary tract is rare, but because 60% of these tumours are invasive at diagnosis; appropriate diagnosis and management is most important. We present recommendations based on current evidence for optimal management.
- Published
- 2015
- Full Text
- View/download PDF
37. Risk factors for severe exacerbations in a real-life population of adults with severe refractory asthma
- Author
-
Adel H. Mansur, Neil C. Thomson, Wai-ting N Lee, Nicola E Gallagher, Christopher E. Brightling, Jieqiong F Yang, Rekha Chaudhuri, Robert Niven, Douglas C Cowan, Charles McSharry, Malcolm Shepherd, Liam G Heaney, Andrew Menzies-Gow, and Christopher Patterson
- Subjects
education.field_of_study ,medicine.medical_specialty ,Scoring system ,business.industry ,Population ,Severe disease ,macromolecular substances ,medicine.disease ,Increased risk ,Internal medicine ,Exhaled nitric oxide ,medicine ,Anxiety ,Refractory asthma ,medicine.symptom ,education ,business ,Asthma - Abstract
Background: Exacerbations are an important cause of morbidity in asthma, particularly in severe disease. Previous studies have identified variables associated with exacerbations, although little is known about risk factors in real-life populations of severe asthma. Methods: We determined the influence of demographics, disease characteristics and biomarkers of inflammation on the frequency of severe exacerbations in 872 adults with refractory asthma recruited to the British Thoracic Society Severe Asthma Registry. Results: 717 (82%) of subjects gave a history of ≥2 severe exacerbations in the last year and almost two-thirds had ≥4. Frequent exacerbations were significantly associated with younger age, higher BMI, higher ACQ score, worse asthma quality-of-life score, higher anxiety and depression score, history of GORD, increased unscheduled GP/emergency visits and hospital admissions in the last year and higher exhaled nitric oxide (FeNO). Preliminary analyses revealed independent variables associated with an increased risk of exacerbations were ACQ score, unscheduled GP/emergency visits in the last year, number of hospital admissions in the last year and FeNO in the total population and blood eosinophils in those not on maintenance oral steroids. Conclusion: Over 80% of a real-life population of adults with severe refractory asthma gave a history of frequent (≥2) severe exacerbations in the last year. Clinical outcomes and inflammatory variables were independent risk factors for severe exacerbations in this population. Further analysis will examine whether combining the independent risk factors in a scoring system can identify those at greatest risk of severe exacerbations.
- Published
- 2017
- Full Text
- View/download PDF
38. Monitoring medication uptake in difficult asthma – qualitative analysis
- Author
-
Debbie E Anderson, Anne Boyter, Sean MacBride-Stewart, Douglas C. Cowan, and Christine Bucknall
- Subjects
medicine.medical_specialty ,Information Systems and Management ,business.industry ,Concordance ,Alternative medicine ,Psychological intervention ,Health Informatics ,medicine.disease ,Family medicine ,medicine ,Difficult asthma ,Thematic analysis ,business ,Psychiatry ,Inclusion (education) ,Disadvantage ,Information Systems ,Demography ,Asthma - Abstract
ObjectiveTo determine the acceptability of using data on medicines dispensed in primary care to inform out-patient treatment of patients with difficult-to-treat asthma. ApproachConsultant respiratory physicians’ access to a summary of all relevant medicines dispensed by community pharmacists to patients with difficult to treat asthma was piloted in 2015 (therapy review (TR)). Dispensed medicine data were collected using the patient’s unique NHS identifier. This information was aggregated monthly for the year before the patient attended their clinic appointment. Patients gave consent and the summary data were used to assess concordance with therapy and inform a discussion about future management. Semi-structured interviews were conducted with eight patients who had received TR and eight respiratory physicians: two with access to the summary. The interviews aimed to highlight the experiences of patients and physicians on the utility of therapy reviews the views of physicians without access to summaries on the prospective use of therapy reviews. With the participant’s consent, interviews were recorded and transcribed. Thematic analysis of grouped responses was conducted using NVivo software. ResultsAll physicians agreed that poor compliance remains a significant concern when treating patients with difficult asthma and supported the use of TR. Physicians with experience of TR identified reliability over current methods of assessing compliance; ability to inform future treatment; and assistance in the discussion of concordance as advantages. The lag of three months in available dispensed data was a disadvantage. Physicians without experience of TR raised concern that use may lead to confrontation: reflected in the experience of one patient who expressed that TR discouraged them from improving compliance. Additional interventions are needed to improve compliance. Opinions from other patients were positive and supported the inclusion of TR as part of a consultation. Physicians with experience of TR found the summary accessible, if access to computers containing specific software to view TR was available. This limitation was considered potentially problematic and physicians without access to TR expressed a preference to accessing TR via NHS Portal - a secure online platform permitting registered users access to patient-level information. ConclusionThis demonstrates the positive impact of using data about primary care dispensed medicine in secondary care to assess medicine concordance and inform individual patient’s ongoing treatment. This supplements other data collected from clinical tests and patient-physician discussion. Development of a more efficient system to access the summary data is required before it is more widely used.
- Published
- 2017
- Full Text
- View/download PDF
39. Oncological and functional outcomes of sexual function-preserving cystectomy compared with standard radical cystectomy in men: A systematic review
- Author
-
Georgios Gakis, James Dunn, Nigel C. Cowan, Thomas B. Lam, Estefania Linares Espinós, Virginia Hernández, J.A. Witjes, Maria J. Ribal, Steven MacLennan, Yuhong Yuan, Antoine G. van der Heijden, Eva Comperat, and Thierry Lebret
- Subjects
Male ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,030232 urology & nephrology ,Urinary incontinence ,Disease ,Cystectomy ,03 medical and health sciences ,0302 clinical medicine ,Time frame ,Prostate ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,Humans ,Medicine ,Bladder cancer ,business.industry ,medicine.disease ,Erectile dysfunction ,medicine.anatomical_structure ,Urinary Bladder Neoplasms ,Oncology ,030220 oncology & carcinogenesis ,Sexual Health ,medicine.symptom ,business ,Sexual function - Abstract
Item does not contain fulltext INTRODUCTION: Different sexual function-preserving surgical techniques aimed at improving voiding and sexual function in patients undergoing radical cystectomy for bladder cancer have been described. The objective of this systematic review is to determine the effect of sexual function-preserving cystectomy (SPC) on functional and oncological outcomes. MATERIALS AND METHODS: Relevant databases were searched covering the time frame 2000 to 2015. All publications presenting data on any type of SPC reporting oncological or functional outcomes with a minimum follow-up of 1 year were identified. Comparative studies including a minimum of 30 patients and single-arm case series with a minimum of 50 patients were selected. No language restrictions were applied. RESULTS: In a total of 8,517 identified abstracts, 12 studies were eligible for inclusion. SPC described included prostate-, capsule-, seminal vesicle, and nerve-sparing techniques. Local recurrence ranged from 1.2% to 61.1% (vs. 16.0%-55.0% in the control group) and metastatic disease from 0% to 33.3% (vs. 33.0%). No differences were found in comparative studies reporting oncological outcomes. Postoperative potency was significantly better in the SPC groups in 6 studies comparing sexual function-preserving cystectomy vs. radical cystectomy (P
- Published
- 2017
40. Systematic review of the oncological and functional outcomes of pelvic organ-preserving radical cystectomy (RC) compared with standard RC in women who undergo curative surgery and orthotopic neobladder substitution for bladder cancer
- Author
-
Georgios Gakis, Eva Comperat, Yann Neuzillet, Thierry Lebret, Mathieu Rouanne, Steven MacLennan, Antoine G. van der Heijden, J.A. Witjes, Nigel C. Cowan, Thomas B. Lam, Erik Veskimäe, Maria J. Ribal, and Yuhong Yuan
- Subjects
medicine.medical_specialty ,Urology ,Urinary system ,medicine.medical_treatment ,Urinary Bladder ,030232 urology & nephrology ,MEDLINE ,Context (language use) ,Urinary incontinence ,Urinary Diversion ,Cystectomy ,03 medical and health sciences ,0302 clinical medicine ,Postoperative Complications ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,Medicine ,Humans ,Bladder cancer ,Urinary continence ,business.industry ,medicine.disease ,Surgery ,Sexual Dysfunction, Physiological ,Treatment Outcome ,Urinary Incontinence ,Urinary Bladder Neoplasms ,030220 oncology & carcinogenesis ,Female ,medicine.symptom ,business ,Sexual function ,Organ Sparing Treatments - Abstract
Item does not contain fulltext CONTEXT: Pelvic organ-preserving radical cystectomy (POPRC) for women may improve postoperative sexual and urinary functions without compromising the oncological outcome compared with standard radical cystectomy (RC). OBJECTIVE: To determine the effect of POPRC on sexual, oncological and urinary outcomes compared with RC in women who undergo standard curative surgery and orthotopic neobladder substitution for bladder cancer. EVIDENCE ACQUISITION: Medline, Embase, Cochrane controlled trials databases and clinicaltrial.gov were systematically searched for all relevant publications. Women with bladder cancer who underwent POPRC or standard RC and orthotopic neobladder substitution with curative intent were included. Prospective and retrospective comparative studies and single-arm case series were included. The primary outcomes were sexual function at 6-12 months after surgery and oncological outcomes including disease recurrence and overall survival (OS) at >2 years. Secondary outcomes included urinary continence at 6-12 months. Risk of bias (RoB) assessment was performed using standard Cochrane review methodology including additional domains based on confounder assessment. EVIDENCE SYNTHESIS: The searches yielded 11 941 discrete articles, of which 15 articles reporting on 15 studies recruiting a total of 874 patients were eligible for inclusion. Three papers had a matched-pair study design and the rest of the studies were mainly small, retrospective case series. Sexual outcomes were reported in seven studies with 167/194 patients (86%) having resumed sexual activity within 6 months postoperatively, with median (range) patients' sexual satisfaction score of 88.5 (80-100)%. Survival outcomes were reported in seven studies on 197 patients, with a mean follow-up of between 12 and 132 months. At 3 and 5 years, cancer-specific survival was 70-100% and OS was 65-100%. In all, 11 studies reported continence outcomes. Overall, the daytime and night-time continence rates were 58-100% and 42-100%, respectively. Overall, the self-catheterisation rate was 9.5-78%. Due to poor reporting and large heterogeneity between studies, instead of subgroup-analysis, a narrative synthesis approach was used. The overall RoB was high across all studies. CONCLUSION: For well-selected patients, POPRC with orthotopic neobladder may potentially be comparable to standard RC for oncological outcomes, whilst improving sexual and urinary function outcomes. However, in women undergoing RC, oncological and functional data regarding POPRC remain immature and require further evaluation in a prospective comparative setting.
- Published
- 2017
41. The Impact of the Extent of Lymphadenectomy on Oncologic Outcomes in Patients Undergoing Radical Cystectomy for Bladder Cancer: A Systematic Review
- Author
-
Thierry Lebret, Antoine G. van der Heijden, Amir Sherif, James N'Dow, Maria De Santis, J. Alfred Witjes, Harman Maxim Bruins, Fiona Stewart, Molly M. Neuberger, Eva Comperat, Thomas B. Lam, Georgios Gakis, Mari Imamura, Erik Veskimäe, Virginia Hernández, Maria J. Ribal, Nigel C. Cowan, and Philipp Dahm
- Subjects
Oncology ,medicine.medical_specialty ,Urology ,medicine.medical_treatment ,MEDLINE ,Context (language use) ,Cystectomy ,law.invention ,Randomized controlled trial ,law ,Internal medicine ,Urological cancers Radboud Institute for Molecular Life Sciences [Radboudumc 15] ,medicine ,Humans ,Neoplasm Invasiveness ,Bladder cancer ,business.industry ,Perioperative ,medicine.disease ,Surgery ,Study heterogeneity ,Treatment Outcome ,Urinary Bladder Neoplasms ,Carcinoma, Squamous Cell ,Lymph Node Excision ,Lymphadenectomy ,business - Abstract
Item does not contain fulltext CONTEXT: Controversy exists regarding the therapeutic value of lymphadenectomy (LND) in patients undergoing radical cystectomy (RC) for muscle-invasive bladder cancer (MIBC). OBJECTIVE: To systematically review the relevant literature assessing the impact of LND on oncologic and perioperative outcomes in patients undergoing RC for MIBC. EVIDENCE ACQUISITION: Medline, Medline In-Process, Embase, the Cochrane Central Register of Controlled Trials, and the Latin American and Caribbean Center on Health Sciences Information (LILACS) were searched up to December 2013. Comparative studies reporting on no LND, limited LND (L-LND), standard LND (S-LND), extended LND (E-LND), superextended LND (SE-LND), and oncologic and perioperative outcomes were included. Risk-of-bias and confounding assessments were performed. EVIDENCE SYNTHESIS: Twenty-three studies reporting on 19 793 patients were included. All but one study were retrospective. Planned meta-analyses were not possible because of study heterogeneity; therefore, data were synthesized narratively. There were high risks of bias and confounding across most studies as well as extreme heterogeneity in the definition of the anatomic boundaries of LND templates. All seven studies comparing LND with no LND favored LND in terms of better oncologic outcomes. Seven of 14 studies comparing (super)extended LND with L-LND or S-LND reported a beneficial outcome for (super)extended LND in at least a subset of patients. No difference in outcome was reported in two studies comparing E-LND and S-LND. The comparative harms of different extents of LND remain unclear. CONCLUSIONS: Although the quality of the data was poor, the available evidence indicates that any kind of LND is advantageous over no LND. Similarly, E-LND appears to be superior to lesser degrees of dissection, while SE-LND offered no additional benefits. It is hoped that data from ongoing randomized clinical trials will clarify remaining uncertainties. PATIENT SUMMARY: The current literature suggests that removal of lymph nodes in bladder cancer surgery is beneficial and might result in better outcomes in terms of prolonging survival; however, the quality of the available studies is poor, and high-quality studies are needed.
- Published
- 2014
- Full Text
- View/download PDF
42. Improving mental health in schools
- Author
-
Katherine C. Cowan and Eric Rossen
- Subjects
Medical education ,HRHIS ,business.industry ,Stigma (botany) ,International health ,Mental health ,Education ,Health promotion ,Health care ,Pedagogy ,ComputingMilieux_COMPUTERSANDEDUCATION ,Health education ,business ,Psychology ,Health policy - Abstract
Students do not leave their mental health at the front door when they come to school. From wellness to serious illness, a student’s mental health status is integral to how they think, feel, interact, behave, and learn. Decades of research and experience have laid a solid foundation and framework for effectively providing mental health services in schools that protect student well-being, promote learning, reduce stigma, and improve access. Providing mental health services, ideally in a multitiered system of supports, is good for students, their families, educators, the community, and society at large. Until we take seriously the role of mental health in learning, school reform efforts, largely focused on teacher quality and instruction today, will fall far short of the goal of having all students thrive in school, at home, and in life.
- Published
- 2014
- Full Text
- View/download PDF
43. A journey through the labyrinth of mental illness
- Author
-
Katherine C. Cowan
- Subjects
Coping (psychology) ,Mental health law ,Psychoanalysis ,Psychotherapist ,Child rearing ,Happening ,Psychological intervention ,Mental illness ,medicine.disease ,Mental health ,Education ,Middle Eastern Mental Health Issues & Syndromes ,medicine ,Psychology - Abstract
Behind every student dealing with a mental health problem is a family trying to grasp what’s happening to their child and struggling to do its best. This personal story shares the journey of a family as it confronts a child with Generalized Anxiety and Panic Disorder and describes the many starts and stops and confusion of diagnosing and treating a mental illness.
- Published
- 2014
- Full Text
- View/download PDF
44. Responding to the Unthinkable: School Crisis Response and Recovery
- Author
-
Katherine C. Cowan and Eric Rossen
- Subjects
Coping (psychology) ,medicine.medical_specialty ,Best practice ,Applied psychology ,Physical health ,Crisis response ,Crisis management ,Mental health ,Education ,Preparedness ,medicine ,Road map ,Psychology ,Psychiatry - Abstract
Prevention, preparedness, response, and recovery provide a road map when considering — as we all must — the unthinkable on our doorstep.
- Published
- 2013
- Full Text
- View/download PDF
45. Rehabilitation of hand burn injuries: Current updates
- Author
-
Caroline W. Stegink-Jansen and April C. Cowan
- Subjects
medicine.medical_specialty ,Burn injury ,Activities of daily living ,medicine.medical_treatment ,Psychological intervention ,MEDLINE ,Social support ,Injury Severity Score ,Return to Work ,Physical medicine and rehabilitation ,Quality of life (healthcare) ,Sickness Impact Profile ,Activities of Daily Living ,medicine ,Humans ,Disabled Persons ,Pain Measurement ,General Environmental Science ,Rehabilitation ,business.industry ,Hand Injuries ,Social Support ,Recovery of Function ,Continuity of Patient Care ,Treatment Outcome ,Quality of Life ,General Earth and Planetary Sciences ,Burns ,business - Abstract
The improved short and long term survival rate of individuals with large burn injuries has made rehabilitation for optimal recovery of the patient increasingly important. Burn injury to the hands worsens the prospect of functional recovery and good quality of life in single events, especially when included in larger burns. The purpose of this paper is to present a narrative review of examination strategies used for children with burn injuries to the hands in the acute, intermediate and long term stages of rehabilitation, and apply these concepts to selected treatments, using a case that is representative of this complex patient population. The model of health described by the World Health Organisation provided the framework for the review, to structure the review in the domains of body structures and body functions, functional activities and participation in life roles. The lack of consensus in the burn literature regarding the most appropriate outcome measures and interventions necessitates futures research and long term outcome studies to identify, predict and prevent the difficulties patients may face over their lifespan.
- Published
- 2013
- Full Text
- View/download PDF
46. Effects of older age and age of asthma onset on clinical and inflammatory variables in severe refractory asthma
- Author
-
Christopher E. Brightling, Malcolm Shepherd, Mark Spears, Rekha Chaudhuri, Holger Husi, Adel H. Mansur, Wai-Ting Lee, Liam G Heaney, Robert Niven, Christine Bucknall, Neil C. Thomson, Douglas C. Cowan, Charles McSharry, and Andrew Menzies-Gow
- Subjects
Pulmonary and Respiratory Medicine ,Adult ,Hypersensitivity, Immediate ,Male ,medicine.medical_specialty ,Vital capacity ,Visual analogue scale ,Nitric Oxide ,Severity of Illness Index ,03 medical and health sciences ,FEV1/FVC ratio ,0302 clinical medicine ,Quality of life ,immune system diseases ,Internal medicine ,Outcome Assessment, Health Care ,medicine ,Humans ,Lung volumes ,030212 general & internal medicine ,Age of Onset ,Asthma ,Aged ,Inflammation ,business.industry ,Immunoglobulin E ,Middle Aged ,medicine.disease ,United Kingdom ,respiratory tract diseases ,Respiratory Function Tests ,Eosinophils ,030228 respiratory system ,Asthma Control Questionnaire ,Physical therapy ,Quality of Life ,Female ,business ,Body mass index ,Biomarkers - Abstract
Asthma in the elderly as well as asthma of adult-onset has been associated with increased morbidity, but little is known specifically about the effects of age on clinical and inflammatory outcomes in severe refractory asthma. The aims of the study were to examine the effects of age [65 versus ≥65 years] and age of onset of asthma [childhood-onset,18 versus adult-onset, ≥18 years] on clinical and inflammatory variables in patients with severe asthma.In 1042 subjects with refractory asthma recruited to the British Thoracic Society Severe Asthma Registry, we compared patient demographics, disease characteristics and biomarkers of inflammation in patients aged65 years (n = 896) versus ≥65 years (n = 146) and onset at age18 years (n = 430) versus ≥18 years (n = 526).Severe asthma patients aged ≥65 years had improved symptom control, better asthma quality of life and in the last year, less emergency visits and rescue oral steroid courses [3 (1-6) versus 5 (2-7), p 0.001] than severe asthmatics aged65 years. Blood eosinophils were lower in the elderly group. Patients with severe adult-onset asthma had similar symptom control, lung function and health-care utilization compared to severe childhood-onset asthma. Adult-onset asthmatics had higher blood eosinophils and were less atopic.Patients with severe refractory asthma aged ≥65 years exhibit better clinical and health care outcomes and have lower blood eosinophils compared to those aged65 years. Severe refractory adult-onset asthma is associated with similar levels of asthma control, higher blood eosinophils and less atopy than severe refractory childhood-onset asthma.
- Published
- 2016
47. Tratamiento del cáncer de vejiga con invasión muscular y metastásico: actualización de la Guía Clínica de la EAU
- Author
-
M. De Santis, J.A. Witjes, Axel S. Merseburger, Maria J. Ribal, A. Stenzl, M.A. Kuczyk, Nigel C. Cowan, and Amir Sherif
- Subjects
business.industry ,Urology ,Medicine ,business ,Humanities - Abstract
Resumen Contexto Han surgido nuevos datos sobre el tratamiento del cancer de vejiga con invasion muscular y metastasico (CVIMM) que han llevado a una actualizacion de la Guia Clinica de la Asociacion Europea de Urologia (European Association of Urology [EAU]) del CVIMM. Objetivo Revisar la nueva Guia Clinica de la EAU sobre el CVIMM con un enfoque especifico en el tratamiento. Adquisicion de evidencia La literatura nueva publicada desde la ultima actualizacion de la Guia Clinica de la EAU en 2008 se obtuvo de Medline, la base de datos Cochrane de revisiones sistematicas y listas de referencia en publicaciones y articulos de revision, y se examino exhaustivamente por un grupo de urologos, oncologos y un radiologo designado por la Oficina de Guias Clinicas de la EAU. Tambien se tuvieron en cuenta recomendaciones previas basadas en la literatura anterior sobre este tema. Se anadieron los niveles de evidencia (NE) y grados de recomendacion (GR) basandose en un sistema modificado del Centro de Medicina Basada en la Evidencia de Oxford. Sintesis de evidencia Los datos actuales demuestran que la quimioterapia neoadyuvante junto con la cistectomia radical (CR) es recomendable en ciertas constelaciones de CVIMM. La CR sigue siendo el tratamiento basico de eleccion en enfermedad invasiva localizada para ambos sexos. Se ha intentado definir el grado de cirugia en condiciones estandar en ambos sexos. Se deberia ofrecer un sustituto vesical ortotopico a pacientes, tanto masculinos como femeninos, sin contraindicaciones tales como ausencia de tumor al nivel de la diseccion uretral. En contraste con la quimioterapia neoadyuvante, actualmente se recomienda el uso de quimioterapia adyuvante unicamente en ensayos clinicos. La terapia preservadora de la vejiga multimodalidad en la enfermedad localizada se observa actualmente solo como una alternativa en pacientes seleccionados, bien informados y acatadores para los que la cistectomia no se plantea por razones medicas o personales. En la enfermedad metastasica el tratamiento de primera linea para los pacientes en condiciones suficientes para soportar el cisplatino sigue siendo la poliquimioterapia con cisplatino. Con la llegada de vinflunina, la quimioterapia de segunda linea se ha vuelto disponible. Conclusiones En el tratamiento del cancer de vejiga (CV) invasivo localizado, el tratamiento estandar sigue siendo la extirpacion quirurgica radical de la vejiga dentro de los limites estandar, incluyendo los ganglios linfaticos regionales aun sin especificar. Sin embargo, la adicion de la quimioterapia adyuvante debe ser considerada para ciertos grupos de pacientes especificos. Se ha aprobado y se recomienda un nuevo medicamento para la quimioterapia de segunda linea (vinflunina) en la enfermedad metastasica.
- Published
- 2012
- Full Text
- View/download PDF
48. Asthma phenotypes: Consistency of classification using induced sputum
- Author
-
Avis Williamson, Douglas C. Cowan, Rochelle Palmay, G. Ian Town, Robert J. Hancox, Jan O. Cowan, Ruth E. Aldridge, and D. Robin Taylor
- Subjects
Pulmonary and Respiratory Medicine ,medicine.medical_specialty ,medicine.drug_class ,business.industry ,Asthma phenotypes ,Induced sputum ,Eosinophil ,Placebo ,medicine.disease ,respiratory tract diseases ,medicine.anatomical_structure ,Internal medicine ,Eosinophilic ,Immunology ,medicine ,Corticosteroid ,Sputum ,medicine.symptom ,business ,Asthma - Abstract
Background and objective: Asthma can be classified as eosinophilic or non-eosinophilic based on the cell profile of induced sputum. This classification can help determine whether corticosteroid treatment is indicated. We assessed the stability of these phenotypes over time and with different treatment regimens. Methods: Clinically stable, non-smoking, asthmatic adults were enrolled in one of two studies. In study one, induced sputum cell counts from 28 subjects were analysed after 4 weeks without corticosteroid treatment and after 6 week treatments with placebo, regular inhaled beta-agonist, inhaled corticosteroid, and combined beta-agonist and corticosteroid. In study two, sputum from 26 subjects with non-eosinophilic asthma was analysed after 12 weeks of placebo and after four 2-week corticosteroid washouts. Sputum with
- Published
- 2012
- Full Text
- View/download PDF
49. Development and Implementation of Quality Measures for the Survey Based Performance Assessment of Radiation Therapy in the VA
- Author
-
J.R. Palta, Sasa Mutic, C. Cowan, L. Yun, D. Caruthers, S. Brown, L.M. DeBerry, Michael P. Hagan, Christopher Abraham, E. Wilson, Walter Bosch, S. Brame, J.M. Michalski, and Cliff G. Robinson
- Subjects
Cancer Research ,medicine.medical_specialty ,Radiation ,business.industry ,media_common.quotation_subject ,medicine.medical_treatment ,030218 nuclear medicine & medical imaging ,Radiation therapy ,03 medical and health sciences ,0302 clinical medicine ,Oncology ,030220 oncology & carcinogenesis ,Physical therapy ,Medicine ,Radiology, Nuclear Medicine and imaging ,Quality (business) ,business ,media_common - Published
- 2017
- Full Text
- View/download PDF
50. Evaluation of diagnostic strategies for bladder cancer using computed tomography (CT) urography, flexible cystoscopy and voided urine cytology: results for 778 patients from a hospital haematuria clinic
- Author
-
Ian Roberts, Christopher Blick, Susan Mallett, Benjamin W. Turney, Jeremy Crew, Natasha N. Onwu, S Nazir, and Nigel C. Cowan
- Subjects
medicine.medical_specialty ,Bladder cancer ,medicine.diagnostic_test ,business.industry ,Urology ,Urinary system ,Cystoscopy ,medicine.disease ,Cystoscopies ,Surgery ,Cytology ,Predictive value of tests ,Medicine ,Radiology ,business ,Urine cytology ,Pyelogram - Abstract
Study Type – Diagnostic (exploratory cohort) Level of Evidence 2b What's known on the subject? and What does the study add? Haematuria clinics with same day imaging and flexible cystoscopy are an efficient way for investigating patients with haematuria. The principal role of haematuria clinics with reference to bladder cancer is to determine which patients are ‘normal’ and may be discharged, and which patients are abnormal and should undergo rigid cystoscopy. It is well recognised that CT urography offers a thorough evaluation of the upper urinary tract for stones, renal masses and urothelial neoplasms but the role of CT urography for diagnosing bladder cancer is less certain. The aim of the present study was to evaluate the diagnostic accuracy of CT urography in patients with visible haematuria aged >40 years and to determine if CT urography has a role for diagnosing bladder cancer. This study shows that the optimum diagnostic strategy for investigating patients with visible haematuria aged >40 years with infection excluded is a combined strategy using CT urography and flexible cystoscopy. Patients positive for bladder cancer on CT urography should be referred directly for rigid cystoscopy and so avoid flexible cystoscopy. The number of flexible cystoscopies required therefore may be reduced by 17%. The present study also shows that the diagnostic accuracy of voided urine cytology is too low to justify its continuing use in a haematuria clinic using CT urography and flexible cystoscopy. OBJECTIVES • To evaluate and compare the diagnostic accuracy of computed tomography (CT) urography with flexible cystoscopy and voided urine cytology for diagnosing bladder cancer. • To evaluate diagnostic strategies using CT urography as: (i) an additional test or (ii) a replacement test or (iii) a triage test for diagnosing bladder cancer in patients referred to a hospital haematuria rapid diagnosis clinic. PATIENTS AND METHODS • The clinical cohort consisted of a consecutive series of 778 patients referred to a hospital haematuria rapid diagnosis clinic from 1 March 2004 to 17 December 2007. Criteria for referral were at least one episode of macroscopic haematuria, age >40 years and urinary tract infection excluded. Of the 778 patients, there were 747 with technically adequate CT urography and flexible cystoscopy examinations for analysis. • On the same day, patients underwent examination by a clinical nurse specialist followed by voided urine cytology, CT urography and flexible cystoscopy. Voided urine cytology was scored using a 5-point system. CT urography was reported immediately by a uroradiologist and flexible cystoscopy performed by a urologist. Both examinations were scored using a 3-point system: 1, normal; 2, equivocal; and 3, positive for bladder cancer. • The reference standard consisted of review of the hospital imaging and histopathology databases in December 2009 for all patients and reports from the medical notes for those referred for rigid cystoscopy. Follow-up was for 21–66 months. RESULTS • The prevalence of bladder cancer in the clinical cohort was 20% (156/778). For the diagnostic strategy using CT urography as an additional test for diagnosing bladder cancer, when scores of 1 were classified as negative and scores of 2 and 3 as positive, sensitivity was 1.0 (95% confidence interval [CI] 0.98–1.00), specificity was 0.94 (95% CI 0.91–0.95), the positive predictive value (PPV) was 0.80 (95% CI 0.73–0.85) and the negative predictive value (NPV) was 1.0 (95% CI 0.99–1.00). • For the diagnostic strategy using CT urography as a replacement test for flexible cystoscopy for diagnosing bladder cancer, when scores of 1 were classified as negative and scores of 2 and 3 as positive, sensitivity was 0.95 (95% CI 0.90–0.97), specificity was 0.83 (95% CI 0.80–0.86), the PPV was 0.58 (95% CI 0.52–0.64), and the NPV was 0.98 (95% CI 0.97–0.99). Similarly using flexible cystoscopy for diagnosing bladder cancer, if scores of 1 were classified as negative and scores of 2 and 3 as positive, sensitivity was 0.98 (95% CI 0.94– 0.99), specificity was 0.94 (95% CI 0.92–0.96), the PPV was 0.80 (95% CI 0.73–0.85) and the NPV was 0.99 (95% CI 0.99–1.0). • For the diagnostic strategy using CT urography and flexible cystoscopy as a triage test for rigid cystoscopy and follow-up (option 1), patients with a positive CT urography score are referred directly for rigid cystoscopy, and patients with an equivocal or normal score were referred for flexible cystoscopy. Sensitivity was 1.0 (95% CI 0.98–1.0), specificity was 0.94 (95% CI 0.91–0.95), the PPV was 0.80 (95% CI 0.73–0.85), and the NPV was 1.0 (95% CI 0.99–1.0). • For the diagnostic strategy using CT urography and flexible cystoscopy as a triage test for rigid cystoscopy and follow-up (option 2), patients with a positive CT urography score are referred directly for rigid cystoscopy, patients with an equivocal score are referred for flexible cystoscopy and patients with a normal score undergo clinical follow-up. Sensitivity was 0.95 (95% CI 0.90–0.97), specificity was 0.98 (95% CI 0.97–0.99), the PPV was 0.93 (95% CI 0.87–0.96), and the NPV was 0.99 (95% CI 0.97–0.99). • For voided urine cytology, if scores of 0–3 were classified as negative and 4–5 as positive for bladder cancer, sensitivity was 0.38 (95% CI 0.31–0.45), specificity was 0.98 (95% CI 0.97–0.99), the PPV was 0.82 (95% CI 0.72–0.88) and the NPV was 0.84 (95% CI 0.81–0.87). CONCLUSIONS • There is a clear advantage for the diagnostic strategy using CT urography and flexible cystoscopy as a triage test for rigid cystoscopy and follow-up (option 1), in which patients with a positive CT urography score for bladder cancer are directly referred for rigid cystoscopy, but all other patients undergo flexible cystoscopy. • Diagnostic accuracy is the same as for the additional test strategy with the advantage of a 17% reduction of the number of flexible cystoscopies performed. • The sensitivity of voided urine cytology is too low to justify its continuing use in a hospital haematuria rapid diagnosis clinic using CT urography and flexible cystoscopy.
- Published
- 2011
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.