1
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McKenna K, Wanni Arachchige Dona S, Gold L, Dew A, Le HND. Barriers and Enablers of Service Access and Utilization for Children and Adolescents With Attention Deficit Hyperactivity Disorder: A Systematic Review. J Atten Disord 2024; 28:259-278. [PMID: 38084035 PMCID: PMC10838487 DOI: 10.1177/10870547231214002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
OBJECTIVE To update a systematic review of the literature on the barriers and enablers of service access and utilization for children and adolescents with a diagnosis, or symptoms of attention deficit/hyperactivity disorder (ADHD), from the perspective of caregivers, clinicians, and teachers. METHODS Five databases were searched for peer-reviewed literature published from May 2012 to March 2023. Two independent reviewers completed a two-stage screening process and quality assessment. RESULTS Of 4,523 search results, 30 studies were included. Five main themes were generated: 1) Awareness of ADHD, 2) Stigma, 3) Parental choice and partnerships, 4) Education services as an integral component, 5) Referrals, waiting times, and logistics. More than half of the studies reported poor acknowledgement, expertise of ADHD, and stigma. CONCLUSION Findings highlight the need for ongoing ADHD education for all involved and policy changes to service delivery systems to increase the availability of health providers with specialist ADHD expertise.
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Affiliation(s)
| | | | - Lisa Gold
- Deakin University, Burwood, Australia
| | | | - Ha N D Le
- Deakin University, Burwood, Australia
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2
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Phillips J, Muheim R, Painter M, Raines J, Anderson C, Landler L, Dommer D, Raines A, Deutschlander M, Whitehead J, Fitzpatrick NE, Youmans P, Borland C, Sloan K, McKenna K. Why is it so difficult to study magnetic compass orientation in murine rodents? J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2022; 208:197-212. [PMID: 35094127 DOI: 10.1007/s00359-021-01532-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 11/30/2021] [Accepted: 12/03/2021] [Indexed: 01/21/2023]
Abstract
A magnetic compass sense has been demonstrated in all major classes of vertebrates, as well as in many invertebrates. In mammals, controlled laboratory studies of mice have provided evidence for a robust magnetic compass that is comparable to, or exceeds, the performance of that in other animals. Nevertheless, the vast majority of laboratory studies of spatial behavior and cognition in murine rodents have failed to produce evidence of sensitivity to magnetic cues. Given the central role that a magnetic compass sense plays in the spatial ecology and cognition of non-mammalian vertebrates, and the potential utility that a global/universal reference frame derived from the magnetic field would have in mammals, the question of why responses to magnetic cues have been so difficult to demonstrate reliably is of considerable importance. In this paper, we review evidence that the magnetic compass of murine rodents shares a number of properties with light-dependent compasses in a wide variety of other animals generally believed to be mediated by a radical pair mechanism (RPM) or related quantum process. Consistent with the RPM, we summarize both published and previously unpublished findings suggesting that the murine rodent compass is sensitive to low-level radio frequency (RF) fields. Finally, we argue that the presence of anthropogenic RF fields in laboratory settings, may be an important source of variability in responses of murine rodents to magnetic cues.
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Affiliation(s)
- John Phillips
- Dept of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0406, USA.
| | - Rachel Muheim
- Dept of Biology, Lund University, Biology Building, 223 62, Lund, Sweden
| | - Michael Painter
- Dept of Biology, Barry University, 11300 NE 2nd Ave, Miami, FL, 33161, USA
| | - Jenny Raines
- University of Virginia, 409 Lane Road, Charlottesville, VA, 22908, USA
| | - Chris Anderson
- Electrical Engineering Dept, US Naval Academy, 105 Maryland Ave, Annapolis, MD, 21402, USA
| | - Lukas Landler
- Institute of Zoology, University of Natural Resources and Life Sciences (BOKU), Gregor-Mendel-Straße 33/I, 1180, Vienna, Austria
| | - Dave Dommer
- University of Mount Olive, 5001 South Miami Boulevard, Durham, NC, 27703, USA
| | - Adam Raines
- Dept of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0406, USA
| | - Mark Deutschlander
- Dept of Biology, Hobart and William Smith Colleges, 300 Pulteney St., Geneva, NY, 14456, USA
| | - John Whitehead
- Dept of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0406, USA
| | | | - Paul Youmans
- Dept of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0406, USA
| | - Chris Borland
- Civic Champs, 642 N. Madison St., Suite 116, Bloomington, IN, 47404, USA
| | - Kelly Sloan
- Sanibel Captiva Conservation Foundation, 3333 Sanibel Captiva Rd, PO Box 839, Sanibel, FL, 33957, USA
| | - Kaitlyn McKenna
- Dept of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061-0406, USA
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Ibbotson SH, Allan D, Dawe RS, Eadie E, Farr PM, Fassihi H, Fedele F, Ferguson J, Fityan A, Freeman P, Fullerton L, Goulden V, Haque S, Ling TC, Mackay A, McKenna K, Ralph N, Rhodes LE, Sarkany R, Turner D, Ungureanu S, Weatherhead S. Photodiagnostic services in the UK and Republic of Ireland: a British Photodermatology Group Workshop Report. J Eur Acad Dermatol Venereol 2021; 35:2448-2455. [PMID: 34459043 DOI: 10.1111/jdv.17632] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 08/10/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Photodiagnostic investigations are essential for the accurate diagnosis of abnormal cutaneous photosensitivity and provide important information for the management of patients with photodermatoses (cutaneous photosensitivity disorders). Although photodiagnosis has been undertaken since the early 1970s, specialist services in the United Kingdom (UK) and Republic of Ireland are limited and there is no formal guidance on diagnostic approach. Indeed, there is a limited literature in this area of methodology and diagnostic practice. OBJECTIVES The primary objective was to undertake a British Photodermatology Group Workshop to review the role and activities of specialist centres in the UK and Republic of Ireland in order to ascertain whether there were consensus practices. Secondary objectives were to identify key priorities for service, training and research. METHODS An initial detailed survey review of current activities was undertaken prior to the Workshop and data from this survey were used to inform discussion at the Workshop, which was attended by key photodermatology experts from the UK and Republic of Ireland. RESULTS/CONCLUSIONS We have undertaken a detailed review of current Photodiagnostic Services in the UK and Republic of Ireland and report on our findings from the 12 centres and we have identified key areas of consensus practice. This is an important step in the process of standardising and optimising procedures and protocols and defining minimum clinical standards for photodiagnostic investigations, which are of such diagnostic importance in Dermatology.
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Affiliation(s)
- S H Ibbotson
- Photobiology Unit, NHS Tayside, Ninewells Hospital & Medical School, Dundee, UK.,Photobiology Unit, University of Dundee School of Medicine, Ninewells Hospital & Medical School, Dundee, UK
| | - D Allan
- Medical Physics Department, Salford Royal NHS Foundation Trust, University of Manchester, Manchester Academic Health Science Centre, Salford, UK
| | - R S Dawe
- Photobiology Unit, NHS Tayside, Ninewells Hospital & Medical School, Dundee, UK
| | - E Eadie
- Photobiology Unit, NHS Tayside, Ninewells Hospital & Medical School, Dundee, UK
| | - P M Farr
- Department of Dermatology, Royal Victoria Infirmary, Newcastle-upon-Tyne, UK
| | - H Fassihi
- Photodermatology Unit, St John's Institute of Dermatology, Guy's Hospital, London, UK
| | - F Fedele
- Photodermatology Unit, St John's Institute of Dermatology, Guy's Hospital, London, UK
| | - J Ferguson
- Photodermatology Unit, St John's Institute of Dermatology, Guy's Hospital, London, UK
| | - A Fityan
- Department of Dermatology, University Hospital Southampton NHS Foundation Trust, Hampshire, UK
| | - P Freeman
- Department of Medical Physics, St Thomas' Hospital, London, UK
| | - L Fullerton
- Photobiology Unit, NHS Tayside, Ninewells Hospital & Medical School, Dundee, UK
| | - V Goulden
- Department of Dermatology, Leeds Teaching Hospitals NHS Trust, Chapel Allerton Hospital, Leeds, UK
| | - S Haque
- Department of Dermatology, Cambridge University Hospital, Cambridge, UK
| | - T C Ling
- Photobiology Unit, Dermatology Centre, Salford Royal NHS Foundation Trust, Manchester, UK
| | - A Mackay
- Photobiology Unit, Dermatology Centre, Salford Royal NHS Foundation Trust, Manchester, UK
| | - K McKenna
- Department of Dermatology, Belfast City Hospital, Belfast, UK
| | - N Ralph
- Department of Dermatology, Mater Misericordiae University Hospital, Dublin, Ireland
| | - L E Rhodes
- Photobiology Unit, Dermatology Centre, Salford Royal NHS Foundation Trust, Manchester, UK
| | - R Sarkany
- Photodermatology Unit, St John's Institute of Dermatology, Guy's Hospital, London, UK
| | - D Turner
- Photodermatology Unit, Leeds Teaching Hospitals NHS Trust, Chapel Allerton Hospital, Leeds, UK
| | - S Ungureanu
- Department of Dermatology, Solihull Hospital, Solihull, Birmingham, UK
| | - S Weatherhead
- Department of Dermatology, Royal Victoria Infirmary, Newcastle-upon-Tyne, UK
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4
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Campbell V, McKenna K. The
Mona Lisa
: an example of frontal fibrosing alopecia masquerading as Renaissance fashion? Clin Exp Dermatol 2019; 45:452-453. [DOI: 10.1111/ced.14080] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/20/2019] [Indexed: 11/25/2022]
Affiliation(s)
- V. Campbell
- Department of Dermatology Belfast City Hospital Belfast UK
| | - K. McKenna
- Department of Dermatology Belfast City Hospital Belfast UK
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5
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Brennan R, McKenna K. MYCOBACTERIAL ABSCESSES AFTER BCG VACCINATION. Ulster Med J 2019; 88:128-129. [PMID: 31061564 PMCID: PMC6500409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- R Brennan
- Correspondence to: Dr Ronan Brennan E-mail:
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Ling T, Clayton T, Crawley J, Exton L, Goulden V, Ibbotson S, McKenna K, Mohd Mustapa M, Rhodes L, Sarkany R, Dawe R, McHenry P, Hughes J, Griffiths M, McDonagh A, Buckley D, Nasr I, Swale V, Duarte Williamson C, Levell N, Leslie T, Mallon E, Wakelin S, Hunasehally P, Cork M, Ungureanu S, Donnelly J, Towers K, Saunders C, Davis R, Brain A, Exton L, Mohd Mustapa M. British Association of Dermatologists and British Photodermatology Group guidelines for the safe and effective use of psoralen–ultraviolet A therapy 2015. Br J Dermatol 2016; 174:24-55. [DOI: 10.1111/bjd.14317] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2015] [Indexed: 01/28/2023]
Affiliation(s)
- T.C. Ling
- Dermatology Centre Faculty of Medical and Human Sciences Salford Royal NHS Foundation Trust Salford Manchester M6 8HD U.K
| | - T.H. Clayton
- Dermatology Centre Faculty of Medical and Human Sciences Salford Royal NHS Foundation Trust Salford Manchester M6 8HD U.K
| | - J. Crawley
- Department of Dermatology University College Hospital 235 Euston Road London NW1 2BU U.K
| | - L.S. Exton
- British Association of Dermatologists Willan House 4 Fitzroy Square London W1T 5HQ U.K
| | - V. Goulden
- Department of Dermatology Leeds Teaching Hospitals NHS Trust Leeds LS7 4SA U.K
| | - S. Ibbotson
- Department of Dermatology Ninewells Hospital and Medical School University of Dundee Dundee DD1 9SY U.K
| | - K. McKenna
- Department of Dermatology Belfast City Hospital Belfast BT9 7AB U.K
| | - M.F. Mohd Mustapa
- British Association of Dermatologists Willan House 4 Fitzroy Square London W1T 5HQ U.K
| | - L.E. Rhodes
- Dermatology Research Centre Faculty of Medical and Human Sciences Salford Royal NHS Foundation Trust Salford Manchester M6 8HD U.K
| | - R. Sarkany
- Department of Dermatology University College Hospital 235 Euston Road London NW1 2BU U.K
| | - R.S. Dawe
- Department of Dermatology Ninewells Hospital and Medical School University of Dundee Dundee DD1 9SY U.K
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7
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Wilson CA, El-Khayat RH, McKenna K. Digitial endochondroma. Dermatol Online J 2015. [DOI: 10.5070/d3212024190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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8
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Wilson CA, El-Khayat RH, Somerville J, McKenna K. Digitial endochondroma. Dermatol Online J 2014; 21:13030/qt9vb4f09s. [PMID: 25756487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 12/05/2014] [Accepted: 12/13/2014] [Indexed: 06/04/2023] Open
Abstract
A patient with Ollier disease presenting with onycholysis and nail dystrophy related to a subungual enchondroma is presented.
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Affiliation(s)
| | - R H El-Khayat
- Department of Dermatology, Belfast City Hospital, 51 Lisburn Rd, Belfast, County Antrim BT9 7AB, UK
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10
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Goody RB, O'Hare J, McKenna K, Dearey L, Robinson J, Bell P, Clarke J, McAleer JJA, O'Sullivan JM, Hanna GG. Unintended cardiac irradiation during left-sided breast cancer radiotherapy. Br J Radiol 2013; 86:20120434. [PMID: 23385997 DOI: 10.1259/bjr.20120434] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVE Cardiac irradiation during left-sided breast radiotherapy may lead to deleterious cardiac side effects. Using image guided radiotherapy, it is possible to exclude the heart from treatment fields and monitor reproducibility of virtual simulation (VS) fields at treatment delivery using electronic portal imaging (EPI). Retrospectively, we evaluate the incidence of cardiac irradiation at VS and subsequent unintended cardiac irradiation during treatment. METHODS Patients receiving left-sided radiotherapy to the breast or chest wall, treated with a glancing photon field technique during a four-month period, were included. VS images and EPIs during radiotherapy delivery were visually assessed. The presence of any portion of the heart within the treatment field at VS or during treatment was recorded. Central lung distance and maximum heart distance were recorded. RESULTS Of 128 patients, 45 (35.1%) had any portion of the heart within the planned treatment field. Of these, inclusion of the heart was clinically unavoidable in 25 (55.6%). Of those with no heart included in the treatment fields at VS, 41 (49.4%) had presence of the heart as assessed on EPI during treatment. CONCLUSION Unintended cardiac irradiation during left-sided breast radiotherapy treatment occurs in a sizeable proportion of patients. ADVANCES IN KNOWLEDGE Despite the use of three-dimensional computed tomography simulation and cardiac shielding, sizeable proportions of patients receiving left-sided breast cancer radiotherapy have unintended cardiac irradiation.
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Affiliation(s)
- R B Goody
- Department of Clinical Oncology, Cancer Centre, Belfast City Hospital, Belfast, Northern Ireland, UK.
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11
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Hoffmann T, Bennett S, Koh C, McKenna K. The Cochrane review of occupational therapy for cognitive impairment in stroke patients. Eur J Phys Rehabil Med 2011; 47:513-519. [PMID: 21494221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Cognitive impairment frequently follows stroke and impairs everyday activities. This review aimed to determine whether occupational therapy improves functional performance of basic activities of daily living (ADL) and specific cognitive abilities in people who have cognitive impairment after stroke. In this review, randomised and quasi-randomised controlled trials that evaluated an occupational therapy intervention focused on providing cognitive retraining to adults with clinically defined stroke and confirmed cognitive impairment were included. Searches up to April 2009 were conducted in: the Cochrane Stroke Group Trials Register, the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, CINAHL, PsycINFO, PsycBITE, OTseeker, and Dissertation Abstracts. The search also included a review of the reference lists of relevant studies, a hand-search of relevant occupational therapy journals, and contact with key researchers in the area. Two review authors independently examined the abstracts that might meet the inclusion criteria, assessed the methodological quality, and extracted data. Of 17 trials that appeared to be relevant and were reviewed in full text, only one trial (N=33) was finally included in this review. The study was an RCT of cognitive skills remediation training and there was no difference between groups for the two outcomes that were relevant to this review that were measured: improvement in time judgement skills and improvement in basic ADLs on the Barthel Index. The effectiveness of occupational therapy for cognitive impairment post-stroke remains unclear. The potential benefits of cognitive retraining delivered as part of occupational therapy on improving basic daily activity function or specific cognitive abilities, or both, of people who have had a stroke cannot be supported or refuted by the evidence included in this review. More research is required.
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Affiliation(s)
- T Hoffmann
- Division of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia.
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Kedward AL, McGalie C, Venkatraman L, Hamilton J, El-Agnaf M, McKenna K. Plasmacytoid dendritic cell neoplasm treated successfully with rituximab. J Eur Acad Dermatol Venereol 2010; 24:742-3. [PMID: 20565563 DOI: 10.1111/j.1468-3083.2009.03484.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Fitzhugh S, Shipley TF, Newcombe N, McKenna K, Dumay D. Mental rotation of real word Shepard-Metzler figures: An eye tracking study. J Vis 2010. [DOI: 10.1167/8.6.648] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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14
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Abstract
OBJECTIVE To quantify time caring, burden and health status in carers of stroke patients after discharge from rehabilitation; to identify the potentially modifiable sociodemographic and clinical characteristics associated with these outcomes. METHODS Patients and carers prospectively interviewed 6 (n=71) and 12 (n=57) months after discharge. Relationships of carer and patient variables with burden, health status and time analysed by Gaussian and Poisson regression. RESULTS Carers showed considerable burden at 6 and 12 months. Carers spent 4.6 and 3.6 hours per day assisting patients with daily activities at 6 and 12 months, respectively. Improved patient motor and cognitive function were associated with reductions of up to 20 minutes per day in time spent in daily activities. Better patient mental health and cognitive function were associated with better carer mental health. CONCLUSIONS Potentially modifiable factors such as these may be able to be targeted by caregiver training, support and education programmes and outpatient therapy for patients.
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Affiliation(s)
- L Tooth
- School of Population Health, University of Queensland, Queensland, Australia.
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16
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Abstract
This study investigated parents' information needs and involvement in decision-making processes affecting the care of children diagnosed with cancer. Interviews and questionnaires were used to assess parental satisfaction in 50 mothers and 16 fathers responsible for 58 children in an English Paediatric Oncology Unit. Parents reported that doctors contributed almost twice as much to the decision-making process as they did, but parental satisfaction was positively correlated with the amount of information provided when giving informed consent. Satisfaction about their involvement in this process relied heavily upon the level of support received from others. Parents consenting to their child's involvement in non-randomised trials perceived themselves to be under greater pressure from others during the decision-making process while those whose children were further along the treatment trajectory were more uncertain about decisions previously made. Findings indicate that the accessibility, support, information and degree of control afforded to parents by healthcare professionals impacts upon their satisfaction with both the decision-making process and their confidence in the decisions thus made. Information and support tailored to parents' specific needs may therefore enhance satisfaction with clinical decision making and reassure parents about decisions made in the long-term interest of their child's health.
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Affiliation(s)
- K McKenna
- Department of Psychology, Nationwide Children's Hospital, Columbus, OH, USA
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18
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Moore KB, McKenna K, Osman M, Tormey WP, McDonald D, Thompson CJ. Atrial natriuretic peptide increases urinary albumin excretion in people with normoalbuminuric type-2 diabetes. Ir J Med Sci 2007; 176:67-73. [PMID: 17476567 DOI: 10.1007/s11845-007-0030-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2007] [Accepted: 03/26/2007] [Indexed: 11/30/2022]
Abstract
BACKGROUND Atrial natriuretic peptide (ANP) is elevated in patients with type-2 diabetes and microalbuminuria. The purpose of this study is to evaluate if ANP increases Urinary Albumin Eaxcretion Rate (UAER) in type-2 diabetes. METHODS Eight normoalbuminuric diabetic subjects underwent a randomised single blind study of 60 min intravenous infusion of ANP or vehicle. Eight non-diabetic controls underwent ANP infusion alone. Seven normoalbuminuric type-2 diabetes subjects received further ANP infusions during euglycaemia and during hyperglycaemia. RESULTS ANP increased urinary sodium (191.3 +/- 80.7 to 529.2 +/- 263.4 mumol/min, mean +/- SD, and P < 0.001) and UAER (72.2 +/- 73.4 to 224.9 +/- 182.9.5 mug/min, and P < 0.01) in diabetic subjects. In controls, UAER did not change significantly (P = 0.16); however, the natriuretic response to ANP was similar to diabetic subjects (P = 0.98). Hyperglycaemic did not enhance the albuminuric response to ANP (P = 0.88). CONCLUSION ANP increases UAER in normoalbuminuric type-2 diabetic subjects.
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Affiliation(s)
- K B Moore
- Department of Diabetes and Endocrinology, Diabetes Day Centre, Beaumont Hospital, Dublin 9, Ireland
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Abstract
We report a 33-year-old woman with haemodialysis-associated pseudoporphyria successfully responding to treatment with oral N-acetylcysteine. We briefly review the current literature on bullous skin disorders in end-stage renal disease, and compare and contrast the pathogenesis of pseudoporphyria and porphyria cutanea tarda in this context. We also discuss the antioxidant properties and clinical applications of N-acetylcysteine, including the treatment of haemodialysis-associated pseudoporphyria.
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Affiliation(s)
- N S Cooke
- Department of of Dermatology, Belfast City Hospital, Belfast, UK.
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Palomero T, McKenna K, O-Neil J, Galinsky I, Stone R, Suzukawa K, Stiakaki E, Kalmanti M, Fox EA, Caligiuri MA, Aster JC, Look AT, Ferrando AA. Activating mutations in NOTCH1 in acute myeloid leukemia and lineage switch leukemias. Leukemia 2006; 20:1963-6. [PMID: 17008890 DOI: 10.1038/sj.leu.2404409] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Activating mutations in NOTCH1 are found in over 50% of human T-cell lymphoblastic leukemias (T-ALLs). Here, we report the analysis for activating NOTCH1 mutations in a large number of acute myeloid leukemia (AML) primary samples and cell lines. We found activating mutations in NOTCH1 in a single M0 primary AML sample, in three (ML1, ML2 and CTV-1) out of 23 AML cell lines and in the diagnostic (myeloid) and relapsed (T-lymphoid) clones in a patient with lineage switch leukemia. Importantly, the ML1 and ML2 AML cell lines are derived from an AML relapse in a patient initially diagnosed with T-ALL. Overall, these results demonstrate that activating mutations in NOTCH1 are mostly restricted to T-ALL and are rare in AMLs. The presence of NOTCH1 mutations in myeloid and T-lymphoid clones in lineage switch leukemias establishes the common clonal origin of the diagnostic and relapse blast populations and suggests a stem cell origin of NOTCH1 mutations during the molecular pathogenesis of these tumors.
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Affiliation(s)
- T Palomero
- Institute for Cancer Genetics, Columbia University, New York, NY 10032, USA
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21
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Affiliation(s)
- D J McKenna
- Department of Dermatology, Belfast City Hospital, Lisburn Road, Belfast, Northern Ireland, UK.
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22
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McKenna K, Smith D, Sherlock M, Moore K, O'Brien E, Tormey W, Thompson CJ. Elevated plasma concentrations of atrial and brain natriuretic peptide in type 1 diabetic subjects. Ir J Med Sci 2005; 174:53-7. [PMID: 16285340 DOI: 10.1007/bf03169149] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The intravenous infusion of atrial (ANP) and brain (BNP) natriuretic peptides have been shown to increase urinary albumin excretion in type 1 diabetes. AIMS To measure plasma ANP and BNP concentrations in patients with type 1 diabetes and to examine the parameters associated with elevated plasma concentrations. Methods We measured plasma ANP and BNP concentrations, UAER, HbA1C systolic blood pressure, and left ventricular mass index. Plasma ANP and BNP were also measured in non-diabetic control subjects for comparison. RESULTS Using multivariate regression analysis plasma ANP correlated positively with HbA1C (1.9 + 0.47, p = 0.0002), UAER (0.37 + 0.05, p = 0.00001), SBP (1.26 + 0.5, p = 0.01) and LVMI (00.46 + 0.25, p = 0.07). BNP was positively related with LVMI (0.95 + 0.4, p = 0.02), and UAER (0.56 + 0.08, p = 0.001). CONCLUSIONS Plasma concentrations of ANP and BNP are elevated in some patients with type 1 diabetes. Plasma ANP concentrations are closely related to UAER and elevated plasma concentrations are associated with poor glycaemic control and systemic hypertension. Plasma BNP concentration is related to LVMI.
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Affiliation(s)
- K McKenna
- Dept of Diabetes, Beaumont Hospital, Dublin 9
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Cooke N, Jenkinson H, Wojnarowska F, McKenna K, Alderdice J. Coexistence of psoriasis and linear IgA disease in a patient with recent herpes zoster infection. Clin Exp Dermatol 2005; 30:643-5. [PMID: 16197377 DOI: 10.1111/j.1365-2230.2005.01872.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
We report the case of a 29-year-old man with chronic plaque psoriasis who developed linear IgA disease following herpes zoster infection. There has only been one previous report describing the coexistence of psoriasis and linear IgA disease, which was confirmed by immunopathological studies. In our patient, immunoblotting studies identified IgA antibodies binding to BP180 and BP230 antigens, and IgG autoantibodies binding weakly to the BP180 antigen. This is an interesting case that we believe is an example of epitope spreading in the development of autoimmune subepidermal bullous diseases.
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Affiliation(s)
- N Cooke
- Department of Dermatology, Royal Victoria Hospital, UK.
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Ibbotson SH, Bilsland D, Cox NH, Dawe RS, Diffey B, Edwards C, Farr PM, Ferguson J, Hart G, Hawk J, Lloyd J, Martin C, Moseley H, McKenna K, Rhodes LE, Taylor DK. An update and guidance on narrowband ultraviolet B phototherapy: a British Photodermatology Group Workshop Report. Br J Dermatol 2004; 151:283-97. [PMID: 15327535 DOI: 10.1111/j.1365-2133.2004.06128.x] [Citation(s) in RCA: 199] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Summary These guidelines for use of narrowband (TL-01) ultraviolet B have been prepared for dermatologists by the British Photodermatology Group on behalf of the British Association of Dermatologists. They present evidence-based guidance for treatment of patients with a variety of dermatoses and photodermatoses, with identification of the strength of evidence available at the time of preparation of the guidelines, and a brief overview of background photobiology.
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Affiliation(s)
- S H Ibbotson
- Pathobiology Unit, Ninewells Hospital and Medical School, Dundee, UK.
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Einarson A, Bonari L, Sarkar M, McKenna K, Koren G. Exposure to sibutramine during pregnancy: a case series. Eur J Obstet Gynecol Reprod Biol 2004; 116:112. [PMID: 15294380 DOI: 10.1016/j.ejogrb.2004.02.035] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2003] [Revised: 01/13/2004] [Accepted: 02/04/2004] [Indexed: 11/23/2022]
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Bennett S, McKenna K, Hoffmann T, McCluskey A, Tooth L, Strong J. In search of evidence for occupational therapy: A new tool. International Journal of Therapy and Rehabilitation 2004. [DOI: 10.12968/ijtr.2004.11.9.19586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Where is the evidence that occupational therapy intervention can make a difference? In short, it may be found somewhere among thousands of articles, spread over hundreds of journals. It is not surprising that surveys show that a major difficulty facing occupational therapists implementing evidence-based practice is the limited time they have to locate relevant research (Humphris et al, 2000; Bennett et al, 2003).
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Affiliation(s)
- S Bennett
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
| | - K McKenna
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
| | - T Hoffmann
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
| | - A McCluskey
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
| | - L Tooth
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
| | - J Strong
- Department of Occupational Therapy The University of Queensland School of Health and Rehabilitation Sciences Faculty of Health Sciences Queensland 4072 Australia
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Abstract
Factor V Leiden mutation is a well-established risk factor for venous thrombosis and ulceration. We report a 20-year-old male patient who presented with a traumatic left leg ulcer that responded poorly to therapy. He had no previous medical history. Following investigation it was discovered that the patient had extensive venous thrombosis of the left leg veins and was homozygous for the factor V Leiden gene mutation. This case demonstrates the need for detailed history taking and thorough investigation of any atypical ulcer in young adults.
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Affiliation(s)
- N McLoone
- Department of Dermatology, Belfast City Hospital, Belfast, UK
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Moore KB, McKenna K, Tormey WP, McDonald D, Thompson CJ. The albuminuric action of atrial natriuretic peptide is not modified by ACE-inhibition with perindopril in Type 2 diabetes. Diabet Med 2003; 20:713-6. [PMID: 12925049 DOI: 10.1046/j.1464-5491.2003.00997.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIMS Atrial natriuretic peptide (ANP) increases urine albumin excretion (UAER) in humans with Type 1 diabetes. The aim of this study was to establish if ANP increases UAER in microalbuminuric subjects with Type 2 diabetes and to examine whether the albuminuric action of ANP was inhibited by pre-treatment with the ACE-inhibitor perindopril. METHODS Seven microalbuminuric, normotensive males with Type 2 diabetes were entered into a randomised, double-blind, three-armed study of (i) intravenous infusion of ANP (0.25 microg/kg/min in 0.9% NaCl) after 3 weeks' pre-treatment with placebo, (ii) intravenous infusion of vehicle (0.9% NaCl only) after 3 weeks' pre-treatment with placebo, or (3) intravenous infusion of ANP (0.25 microg/kg/min in 0.9% NaCl) after 3 weeks' pre-treatment with perindopril, 4 mg daily. RESULTS Baseline parameters were similar on all three study days. During the placebo/vehicle arm there was no change in urine flow rate (UFR, P=0.61), urine cyclic guanosine monophosphate (UcGMP P=0.48) or UAER (P=0.99). During the placebo/ANP arm there was a rise in UFR [13.7+/-2.8 (mean+/-sd) to 25.7+/-7.7 mL/min, P<0.001], UcGMP (60.0+/-36.6 to 160.8+/-118.5 micromol/mmolCr, P=0.045) and UAER [5.13 [2.4-11.6][median (range)] to 71.6 [21.6-175.1] mg/mmolCr, P<0.001]. Pre-treatment with perindopril did not alter the changes in UFR (P=0.63), UcGMP (P=0.46) or UAER (P=0.99) to infusion of ANP, compared with the placebo/ANP arm. CONCLUSION ANP increases UAER in microalbuminuric patients with Type 2 diabetes and the albuminuric action of ANP is not inhibited by pre-treatment with the ACE inhibitor perindopril.
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Affiliation(s)
- K B Moore
- Department of Diabetes and Endocrinology, Beaumont Hospital, Dublin, Ireland.
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Abstract
PURPOSE This study aimed to identify the constituents and conceptual characteristics of the quality of life (QOL) of Chinese elderly stroke survivors, living in the community in Hong Kong. METHOD A triangulated approach was used to identify the QOL components for this population. This process involved a comparison of QOL components gathered from three different methods, namely, focus group interviews, review of the literature and the contents of the generic Hong Kong Chinese version of the World Health Organization Quality of Life Scale (CWHOQOL-HK). Five health professionals were involved in the comparison process. A percentage of inter-judge agreement was used to determine the reliability of the comparisons made between the judges. RESULTS This study identified 36 components considered to contribute to the QOL of Chinese elderly stroke survivors in Hong Kong. The conceptual characteristics of their QOL generally concurred with those identified in the literature. CONCLUSION Both similarities and differences were found in the QOL components identified in this study when compared to those identified in studies of Western populations who are elderly and had a stroke. The contents of the CWHOQOL-HK scale were found to lack adequacy in representing the QOL of Chinese elderly stroke survivors in Hong Kong. Recommendations are given, based on the findings of this study, to overcome this limitation for its application as a QOL measure for this population.
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Affiliation(s)
- A L D Lau
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Yuk Choi Road, Hung Hom, Kowloon, Hong Kong, ROC.
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Abstract
Keratitis-ichthyosis-deafness (KID) syndrome is a congenital ectodermal disorder that causes erythrokeratoderma, vascularizing keratitis, and neurosensory deafness. We report a form of this syndrome in a patient with no evidence of keratitis. In addition this individual had clinical and biochemical evidence of carotenaemia. Carotenaemia occurring in association with KID syndrome has not been reported previously.
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Affiliation(s)
- S Ahmadi
- Department of Dermatology, Ulster Hospital, Belfast, Northern Ireland.
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Affiliation(s)
- L Gustafsson
- Department of Occupational Therapy, University of Queensland, Brisbane 4072, Australia
| | - K McKenna
- Department of Occupational Therapy, University of Queensland, Brisbane 4072, Australia
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Tooth L, McKenna K, Geraghty T. Rehabilitation outcomes in traumatic spinal cord injury in Australia: functional status, length of stay and discharge setting. Spinal Cord 2003; 41:220-30. [PMID: 12669086 DOI: 10.1038/sj.sc.3101433] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
STUDY DESIGN Retrospective, descriptive study. OBJECTIVES To describe patients' length of stay (LOS), functional status and discharge setting after rehabilitation and how degree of impairment (complete/incomplete paraplegia/tetraplegia) impacts on these outcomes. To compare actual LOS with estimated LOS. Estimated LOS was based on an Australian model, the Australian National Sub-acute and Non-acute Patient Classification System (AN-SNAP), which classifies patients using admission Functional Independence Measure (FIM trade mark ) scores. To further describe outcomes for each AN-SNAP class by degree of impairment. SETTING Spinal Injuries Unit of major Metropolitan hospital in Brisbane, Australia. METHODS Retrospective chart review of 167 patients with traumatic spinal cord injury (SCI). Main outcome measures were rehabilitation LOS, discharge FIM trade mark scores and discharge setting. Injury measures were degree of impairment, acute LOS and rehabilitation admission FIM trade mark scores. Standard demographic measures were also collected. RESULTS The median rehabilitation LOS was 83 days and mean discharge FIM trade mark scores 102 for all patients. These differed by impairment (incomplete paraplegia LOS 43, FIM 117; complete paraplegia LOS 96, FIM 109; incomplete tetraplegia LOS 64, FIM 100; complete tetraplegia LOS 206, FIM 78). Patients discharged to the community (noncare facility) ranged from 93% with incomplete paraplegia to 73% with complete tetraplegia. For patients in the three AN-SNAP classes with the lowest FIM scores, the actual LOS was up to twice the estimated LOS. A large variability in discharge outcomes was found within individual AN-SNAP classes, despite similar FIM trade mark scores on admission. CONCLUSIONS Rehabilitation outcomes differed substantially by impairment. The variability in outcomes for patients within the same AN-SNAP class questions the ability of this system to accurately predict LOS, and therefore cost of rehabilitation services, for patients with traumatic SCI in Australia.
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Affiliation(s)
- L Tooth
- School of Population Health, The University of Queensland, Brisbane, Australia
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Allard J, Bernabe J, Derdinger F, Alexandre L, McKenna K, Giuliano F. Selegiline enhances erectile activity induced by dopamine injection in the paraventricular nucleus of the hypothalamus in anesthetized rats. Int J Impot Res 2002; 14:518-22. [PMID: 12494289 DOI: 10.1038/sj.ijir.3900934] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2002] [Revised: 07/10/2002] [Accepted: 07/23/2002] [Indexed: 11/08/2022]
Abstract
Apomorphine delivered in the paraventricular nucleus of the hypothalamus (PVN) induces penile erection in rats, suggesting a role of dopaminergic projection to the PVN in the control of penile erection. We assessed whether the selective inhibitor of monoamine oxidase B, selegiline, could enhance the erectile activity induced by dopamine delivery in the PVN. Intracavernous and blood pressure (ICP and BP) were monitored in anesthetized rats to quantify ICP rises (number and percentage of ICP maximum/mean BP (ICPmax/BP x 100)) elicited by 10 micro g dopamine injection in the PVN after saline or 3 mg/kg i.v. selegiline (8 rats per group). The number of ICP rises (mean+/-s.d.: 4.5+/-2.9 vs 1.4+/-1.9; P=0.017) and their ICPmax/BP x 100 (49+/-8% vs 34+/-9%; P=0.015) were significantly greater upon dopamine injection in the PVN than upon vehicle. Compared to saline i.v., 3 mg/kg selegiline pretreatment significantly increased the number of ICP rises induced by dopamine injection in the PVN (9.4+/-2.6 vs 4.5+/-2.9; P<0.001), without affecting their amplitude. This suggests that drugs potentiating dopaminergic responses in the central nervous system might enhance proerectile commands of supraspinal origin.
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Affiliation(s)
- J Allard
- PELVIPHARM Laboratories, Domaine INRA, Bures-sur-Yvette, France
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Smith D, McKenna K, Moore K, Tormey W, Finucane J, Phillips J, Baylis P, Thompson CJ. Baroregulation of vasopressin release in adipsic diabetes insipidus. J Clin Endocrinol Metab 2002; 87:4564-8. [PMID: 12364435 DOI: 10.1210/jc.2002-020090] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Adipsic diabetes insipidus (ADI) occurs in association with a heterogeneous group of conditions. We report vasopressin (AVP) responses to hypotension in nine patients with ADI and nine controls. Hypertonic saline infusion produced absent thirst (1.7 +/- 1.7 to 1.5 +/- 1.7 cm, P = 0.99) and AVP responses (0.3 +/- 0.1 to 0.4 +/- 0.1 pmol/liter, P = 0.99) in the ADI group, who also drank less than the control group (258 +/- 200 ml vs. 1544 +/- 306 ml, P < 0.001). Intravenous infusion of trimetaphan camsylate produced a fall in mean arterial pressure of 31.6% +/- 8.9% in patients and 29.4% +/- 6.1% in controls. Plasma AVP concentrations rose from 1.4 +/- 0.8 to 340.3 +/- 497.4 pmol/liter (P < 0.001) in the control group. In three patients with craniopharyngioma, there was no rise in plasma AVP concentrations (0.3 +/- 0.1 to 0.3 +/- 0.1 pmol/liter, P = 0.96), but plasma AVP rose significantly in response to hypotension in the other six patients (0.4 +/- 0.2 to 204.5 +/- 223.2 pmol/liter, P < 0.001). We concluded that the AVP responses to hypotension in ADI are heterogeneous and reflect the site of the lesion causing the diabetes insipidus.
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Affiliation(s)
- D Smith
- Department of Endocrinology, Beaumont Hospital, Dublin 9, Republic of Ireland
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Morton CA, Brown SB, Collins S, Ibbotson S, Jenkinson H, Kurwa H, Langmack K, McKenna K, Moseley H, Pearse AD, Stringer M, Taylor DK, Wong G, Rhodes LE. Guidelines for topical photodynamic therapy: report of a workshop of the British Photodermatology Group. Br J Dermatol 2002; 146:552-67. [PMID: 11966684 DOI: 10.1046/j.1365-2133.2002.04719.x] [Citation(s) in RCA: 282] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Topical photodynamic therapy (PDT) is effective in the treatment of certain non-melanoma skin cancers and is under evaluation in other dermatoses. Its development has been enhanced by a low rate of adverse events and good cosmesis. 5-Aminolaevulinic acid (ALA) is the main agent used, converted within cells into the photosensitizer protoporphyrin IX, with surface illumination then triggering the photodynamic reaction. Despite the relative simplicity of the technique, accurate dosimetry in PDT is complicated by multiple variables in drug formulation, delivery and duration of application, in addition to light-specific parameters. Several non-coherent and coherent light sources are effective in PDT. Optimal disease-specific irradiance, wavelength and total dose characteristics have yet to be established, and are compounded by difficulties comparing light sources. The carcinogenic risk of ALA-PDT appears to be low. Current evidence indicates topical PDT to be effective in actinic keratoses on the face and scalp, Bowen's disease and superficial basal cell carcinomas (BCCs). PDT may prove advantageous where size, site or number of lesions limits the efficacy and/or acceptability of conventional therapies. Topical ALA-PDT alone is a relatively poor option for both nodular BCCs and squamous cell carcinomas. Experience of the modality in other skin diseases remains limited; areas where there is potential benefit include viral warts, acne, psoriasis and cutaneous T-cell lymphoma. A recent British Photodermatology Group workshop considered published evidence on topical PDT in order to establish guidelines to promote the efficacy and safety of this increasingly practised treatment modality.
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Affiliation(s)
- Colin A Morton
- Department of Dermatology, Falkirk Royal Infirmary, Falkirk FK1 5QE, U.K.
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McKenna K, Smith D, Moore K, Glen A, Tormey W, Thompson CJ. Brain natriuretic peptide increases urinary albumin and alpha-1 microglobulin excretion in Type 1 diabetes mellitus. Diabet Med 2001; 18:973-8. [PMID: 11903396 DOI: 10.1046/j.0742-3071.2001.00569.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
UNLABELLED Atrial natriuretic peptide (ANP) increases urinary albumin excretion in Type 1 diabetes mellitus (DM). Brain natriuretic peptide (BNP) is structurally and functionally related to ANP, but its effect on urine albumin excretion rate (UAER) is unknown. AIMS To compare the albuminuric effects of intravenous infusion of ANP and BNP, and to assess the effect of both peptides on tubular protein excretion. METHODS Eight subjects with Type 1 DM were randomised to a three leg, double blind, and placebo controlled study. On each study day, subjects were euglycaemic clamped and subsequently water loaded (20 mL/kg orally, plus urine losses) to steady state diuresis. When in steady state, creatinine clearance was estimated in three separate 1 hour periods. At the end of the first period, a 1 hour intravenous infusion of either placebo, ANP 0.025 microg/kg/min, or BNP 0.025 microg/kg/min was administered. There followed a 1 hour recovery period. Urine was collected at 15 min intervals for estimation of urine albumin (ACR) and alpha1 microglobulin creatinine ratio (MCR). Results were analysed by anova. RESULTS Creatinine clearance was similar on the three study days, and was unaltered by any infusion. ACR was unaltered by placebo (1.3 +/- 0.5-1.2 +/- 0.4 mg/mmol, mean +/- SD, p = 0.81), but increased compared to placebo with infusion of both ANP (1.2 +/- 0.4-9.8 +/- 8.4 mg/mmol, P = 0.0004), and BNP (1.1 +/- 0.4-13.4 +/- 8.6 mg/mmol, P = 0.0001). The MCR was unaltered by placebo infusion (P = 0.89), but increased compared with placebo after infusion of ANP (5.4 +/- 0.9-12.3 +/- 4.2 mg/mmol, P < 0.0001), and BNP (5.4 +/- 0.8-12.1 +/- 2.5 mg/mmol, P < 0.0001). CONCLUSIONS Intravenous infusion of BNP and ANP both increase the urine excretion of albumin and the tubular protein alpha1 microglobulin, independent of creatinine clearance.
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Affiliation(s)
- K McKenna
- Diabetes Centre, Victoria Infirmary, Glasgow and the Department of Diabetes, Beaumont Hospital Dublin, Ireland
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Abstract
PURPOSE Hemiplegic shoulder pain can affect up to 70% of stroke patients and can have an adverse impact on rehabilitation outcomes. This article aims to review the literature on the suggested causes of hemiplegic shoulder pain and the therapeutic techniques that can be used to prevent or treat it. On the basis of this review, the components of an optimal management programme for hemiplegic shoulder pain are explored. METHOD English language articles in the CINAHL and MEDLINE databases between 1990 and 2000 were reviewed. These were supplemented by citation tracking and manual searches. RESULTS A management programme for hemiplegic shoulder pain could comprise the following components: provision of an external support for the affected upper limb when the patient is seated, careful positioning in bed, daily static positional stretches, motor retraining and strapping of the scapula to maintain postural tone and symmetry. CONCLUSIONS Research is required to evaluate the effectiveness of the components of the proposed management programme for the prevention and treatment of hemiplegic shoulder pain and to determine in what combination they achieve the best outcomes.
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Affiliation(s)
- L Bender
- The Prince Charles Hospital, Brisbane, Queensland, Australia.
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Tooth L, McKenna K, Strong J, Ottenbacher K, Connell J, Cleary M. Rehabilitation outcomes for brain injured patients in Australia: functional status, length of stay and discharge destination. Brain Inj 2001; 15:613-31. [PMID: 11429090 DOI: 10.1080/02699050010013923] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
This study describes the rehabilitation length of stay (LOS), discharge destination and discharge functional status of 149 patients admitted with traumatic brain injury (TBI) to an Australian hospital over a 5-year period. Hospital charts of patients admitted between 1993-1998 were reviewed. Average LOS over the 5-year time period was 61.8 days and only decreased nominally over this time. Longer LOS was predicted by lower admission motor FIM scores and presence of comorbidities. Mean admission and discharge motor FIM scores were 58 and 79, which represented a gain of 21 points. Higher discharge motor FIM scores were predicted by higher admission motor FIM scores and younger age. FIM gain was predicted by cognitive status and age. Most patients, 88%, were discharged back to the community, with 30% changing their living setting or situation. Changing living status was predicted by living alone and having poorer functional status on admission.
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Affiliation(s)
- L Tooth
- Department of Social and Preventive Medicine, University of Queensland, Brisbane, Australia.
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Abstract
The spinal cord contains the neural network that controls penile erection. This network is activated by information from peripheral and supraspinal origin. We tested the hypothesis that oxytocin (OT), released at the lumbosacral spinal cord level by descending projections from the paraventricular nucleus, regulated penile erection. In anesthetized male rats, blood pressure and intracavernous pressure (ICP) were monitored. Intrathecal (it) injection of cumulative doses of OT and the selective OT agonist [Thr4,Gly7]OT at the lumbosacral level elicited ICP rises whose number, amplitude, and area were dose dependent. Thirty nanograms of OT and one-hundred nanograms of the agonist displayed the greatest proerectile effects. Single injections of OT also elicited ICP rises. Preliminary injection of a specific OT-receptor antagonist, hexamethonium, or bilateral pelvic nerve section impaired the effects of OT injected it. NaCl and vasopressin injected it at the lumbosacral level and OT injected it at the thoracolumbar level or intravenously had no effect on ICP. The results demonstrate that OT, acting at the lumbosacral spinal cord, elicits ICP rises in anesthetized rats. They suggest that OT, released on physiological activation of the PVN in a sexually relevant context, is a potent activator of spinal proerectile neurons.
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Affiliation(s)
- F Giuliano
- Groupe de Recherche en Urologie, UPRES EA1602, Faculté de Médecine Paris-Sud, 94270 Le Kremlin Bicêtre, France.
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Abstract
PURPOSE Despite increased interest in quality of life (QOL) as an outcome measure and as a means of identifying client needs in health care, its conceptualisation and the identification of its constituents have been poorly researched for elderly people with stroke in Hong Kong. METHOD This article analysed the literature to identify components relevant to the QOL of Chinese elderly people with stroke living in the community in Hong Kong. RESULTS While common components of QOL for elderly people with and without stroke and regardless of cultural background were identified, a number were specific to an elderly Chinese stroke population. CONCLUSION Recommendations for future research have been made with reference to further exploring and validating these components for the target population. A clear understanding of these aspects is essential for the development of sensitive QOL measures to guide and evaluate service delivery to this population.
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Affiliation(s)
- A Lau
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon.
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Jones RB, Atkinson JM, Coia DA, Paterson L, Morton AR, McKenna K, Craig N, Morrison J, Gilmour WH. Randomised trial of personalised computer based information for patients with schizophrenia. BMJ 2001; 322:835-40. [PMID: 11290639 PMCID: PMC30562 DOI: 10.1136/bmj.322.7290.835] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To compare use, effect, and cost of personalised computer education with community psychiatric nurse education for patients with schizophrenia. DESIGN Randomised trial of three interventions. Modelling of costs of alternatives. PARTICIPANTS 112 patients with schizophrenia in contact with community services; 67 completed the intervention. INTERVENTIONS Three interventions of five educational sessions: (a) computer intervention combining information from patient's medical record with general information about schizophrenia; (b) sessions with a community psychiatric nurse; (c) "combination" (first and last sessions with nurse and remainder with computer). MAIN OUTCOME MEASURES Patients' attendance, opinions, change in knowledge, and psychological state; costs of interventions and patients' use of NHS community services; modelling of costs for these three, and alternative, interventions. RESULTS Rates of completion of intervention did not differ significantly (71% for combination intervention, 61% for computer only, 46% for nurse only). Computer sessions were shorter than sessions with nurse (14 minutes v 60 minutes). More patients given nurse based education thought the information relevant. Of 20 patients in combination group, 13 preferred the sessions with the nurse and seven preferred the computer. There were no significant differences between groups in psychological outcomes. Because of the need to transport patients to the computer for their sessions, there was no difference between interventions in costs, but computer sessions combined with other patient contacts would be substantially cheaper. CONCLUSIONS The computer based patient education offered no advantage over sessions with a community psychiatric nurse. Investigation of computer use combined with other health service contacts would be worth while.
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Affiliation(s)
- R B Jones
- Department of Public Health, University of Glasgow, Glasgow G12 8RZ, United Kingdom.
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McKenna K. Impact of NHS Direct on demand for immediate care. Meaningful review is still outstanding. BMJ 2001; 322:612. [PMID: 11269252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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Kumra S, Giedd JN, Vaituzis AC, Jacobsen LK, McKenna K, Bedwell J, Hamburger S, Nelson JE, Lenane M, Rapoport JL. Childhood-onset psychotic disorders: magnetic resonance imaging of volumetric differences in brain structure. Am J Psychiatry 2000; 157:1467-74. [PMID: 10964864 DOI: 10.1176/appi.ajp.157.9.1467] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Although childhood-onset schizophrenia is rare, children with brief psychotic symptoms and prominent emotional disturbances commonly present diagnostic and treatment problems. Quantitative anatomic brain magnetic resonance images (MRIs) of a subgroup of children with psychotic disorder not otherwise specified were compared with those of children with childhood-onset schizophrenia and healthy comparison subjects. METHOD Anatomic MRIs were obtained for 71 patients (44 with childhood-onset schizophrenia and 27 with psychotic disorder not otherwise specified) and 106 healthy volunteers. Most patients had been treated with neuroleptics. Volumetric measurements for the cerebrum, anterior frontal region, lateral ventricles, corpus callosum, caudate, putamen, globus pallidus, and midsagittal thalamic area were obtained. RESULTS Patients had a smaller total cerebral volume than healthy comparison subjects. Analysis of covariance for total cerebral volume and age found that lateral ventricles were larger in both patient groups than in healthy comparison subjects and that schizophrenia patients had a smaller midsagittal thalamic area than both subjects with psychotic disorder not otherwise specified and healthy comparison subjects. CONCLUSIONS Pediatric patients with psychotic disorder not otherwise specified showed a pattern of brain volumes similar to those found in childhood-onset schizophrenia. Neither group showed a decrease in volumes of temporal lobe structures. Prospective longitudinal magnetic resonance imaging and clinical follow-up studies of both groups are currently underway to further validate the distinction between these two disorders.
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Abstract
AIMS To examine the effect of acute hyperglycaemia on atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) concentrations in Type 1 diabetes. METHODS The study was two limb, randomized, and single-blind. Eight Type 1 diabetes subjects were clamped at euglycaemia by intravenous infusion of insulin. When euglycaemia was established, the insulin infusion rate was left unaltered for the remainder of the protocol, and an intravenous infusion of either 500 ml 0.9% saline or 500 ml 10% dextrose was administered over 1 h. Blood was collected for estimation of plasma glucose, ANP and BNP concentrations at 30 min intervals for 2 h from the start of the infusion period. One week later, each subject received the alternate infusion. Results are expressed as mean +/- standard deviation, and were analysed by ANOVA. RESULTS Baseline plasma glucose (P = 0.8), ANP (P = 0.8) and BNP (P = 0.8) concentrations were similar on the study days. Plasma glucose rose with dextrose (6.1 + 0.5-15.1 + 2.8 mmol/l, P = 0.9). Plasma ANP concentrations were unaltered by saline infusion (76.5 +/- 14.7-77.7 +/- 15.2 pg/ml, P = 0.9), but increased with dextrose infusion (79 +/- 14-134 +/- 17.1 pg/ml, P < 0.0001), and were higher with dextrose than saline infusion (P < 0.0001). Plasma concentrations of BNP were not significantly altered by infusion of either dextrose (5.1 +/- 3.9-9.3 +/- 5.4 pg/ml, P = 0.63) or saline (4.3 +/- 3.5-6 +/- 5.2 pg/ml, P = 0.84). CONCLUSIONS Plasma concentrations of ANP, but not BNP, rise in response to acute hyperglycaemia in Type 1 diabetes.
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Affiliation(s)
- K McKenna
- Dept of Diabetes, Beaumont Hospital, Dublin, Ireland
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McKenna K, Morris AD, Ryan M, Newton RW, Frier BM, Baylis PH, Saito T, Ishikawa S, Thompson CJ. Renal resistance to vasopressin in poorly controlled type 1 diabetes mellitus. Am J Physiol Endocrinol Metab 2000; 279:E155-60. [PMID: 10893335 DOI: 10.1152/ajpendo.2000.279.1.e155] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To investigate the hypothesis that diabetes induces nephrogenic diabetes insipidus, we studied the urine-concentrating ability in response to vasopressin (AVP) in 12 patients with insulin-dependent diabetes mellitus (IDDM) and 12 nondiabetic controls. Subjects were euglycemic-clamped, and after oral water loading, AVP was infused intravenously for 150 min. AVP induced a greater (P<0.001) rise in urine osmolality in controls (67.6+/-10.7 to 720+/-31.1 mosmol/kg, P<0.001) than in IDDM patients (64.3+/-21.6 to 516.7+/-89.3 mosmol/kg, P<0.001). Urinary aquaporin-2 concentrations after AVP infusion were higher in controls (611.8+/-105.6 fmol/mg creatinine) than in IDDM (462.0+/-94.9 fmol/mg creatinine, P = 0. 003). Maximum urine osmolality in IDDM was inversely related to chronic blood glucose control, as indicated by Hb A(Ic) (r = -0.87, P = 0.002). To test the hypothesis that improved glycemic control could reverse resistance to AVP, 10 IDDM subjects with poor glycemic control (Hb A(Ic) >9%) were studied before (B) and after (A) intensified glycemic control. Maximum urine osmolality in response to AVP increased with improved glycemic control (B, 443.8+/-49.0; A, 640.0+/-137.2 mosmol/kg, P<0.001), and urinary aquaporin-2 concentrations after AVP increased from 112.7 +/-69 to 375+/-280 fmol/mg creatinine (P = 0.006), with improved glycemic control. Poorly controlled IDDM is associated with reversible renal resistance to AVP.
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Affiliation(s)
- K McKenna
- Beaumont Hospital, Dublin 9, Republic of Ireland
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Abstract
Sexual harassment is one of the most insidious, yet pervasive, forms of violence that affects all girls, not merely those traditionally thought to be vulnerable or at risk. Although harassment in the workplace has been the focus of considerable attention during the last decade, there is a growing recognition that girls experience varied forms of sexual harassment, and that this behavior begins at a surprisingly early age. This article examines the plight of the "girl child" and presents findings from the first phase of a national action research project currently being conducted by the Canadian Alliance of Five Research Centres on Violence. A major objective of this project is to examine how violence becomes "normalized" in the lives of girls and young women. Implications for nurses, including strategies aimed at encouraging resistance among this population, are addressed.
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Affiliation(s)
- H Berman
- School of Nursing, University of Western Ontario, London
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McKenna K, Smith D, Moore K, Glen A, Kesson CM, Thompson CJ. Enhanced albuminuric response to atrial natriuretic peptide in normoalbuminuric patients with Type 1 diabetes mellitus--a pilot study. Diabet Med 2000; 17:463-8. [PMID: 10975216 DOI: 10.1046/j.1464-5491.2000.00303.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
AIMS To ascertain whether intravenous infusion of atrial natriuretic peptide (ANP) can induce microalbuminuria in patients with Type 1 diabetes mellitus (DM), as already demonstrated in patients with microalbuminuria, and to compare the albuminuric response to ANP infusion in Type 1 DM and a matched group of healthy non-diabetic controls. METHODS Eight normoalbuminuric DM patients participated in a three limb, randomized, double-blind, placebo-controlled study. Subjects were kept euglycaemic by insulin infusion, and subsequently water-loaded (20 ml/kg orally plus urinary losses). When in steady state, a 30-min infusion of either placebo, ANP 0.025 mg x kg(-1).min(-1) or ANP 0.05 mg x kg(-1) x min(-1) was administered intravenously. Urine was collected every 15 min for 90 min for the estimation of albumin-creatinine ratio (ACR). In addition, eight nondiabetic volunteers received a single infusion of ANP 0.025 mg x kg(-1) x min(-1). RESULTS ACR was unaltered by placebo in DM subjects (1.4 +/- 0.7-1.7 +/- 1.1 mg/mmol, mean +/- SD, ANOVA, P > 0.9), and by low dose ANP in controls (1.4 +/- 0.9-2.6 +/- 1.9 mg/mmol, P = 0.4). ACR increased with low dose ANP (1.3 +/- 0.5-14.6 +/- 13.6 mg/mmol, P = 0.02), and high dose ANP (1.3 +/- 0.7-26.4 +/- 31 mg/mmol, P = 0.01) in DM subjects. The ACR response to low dose ANP was greater in the DM than control subjects (P = 0.02). CONCLUSIONS ANP increases urine albumin excretion rate in normoalbuminuric Type 1 DM patients, and this effect is more pronounced than in healthy volunteers.
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Affiliation(s)
- K McKenna
- Diabetes Centre, Victoria Infirmary, Glasgow, Scotland, UK
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Affiliation(s)
- D M Smith
- Academic Department of Endocrinology, Beaumont Hospital, Dublin, Republic of Ireland
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Kumra S, Wiggs E, Bedwell J, Smith AK, Arling E, Albus K, Hamburger SD, McKenna K, Jacobsen LK, Rapoport JL, Asarnow RF. Neuropsychological deficits in pediatric patients with childhood-onset schizophrenia and psychotic disorder not otherwise specified. Schizophr Res 2000; 42:135-44. [PMID: 10742651 DOI: 10.1016/s0920-9964(99)00118-8] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Children with transient psychotic symptoms and serious emotional disturbances who do not meet current criteria for schizophrenia or other presently recognized diagnostic categories commonly present diagnostic and treatment problems. Clarifying the connections between children with narrowly defined schizophrenia and children with a more broadly defined phenotype (i.e., Psychotic Disorder Not Otherwise Specified, PD-NOS) has implications for understanding the pathophysiology of schizophrenia. In this study, the neuropsychological test performance of a subgroup of children with atypical psychosis was compared with that of patients with childhood-onset schizophrenia (COS). METHOD Cognitive function was assessed with neuropsychological test battery regimens in 51 neuroleptic-nonresponsive patients within the first 270 at NIMH testing (24 PD-NOS, 27 COS) were included in this analysis. Seventeen (39%) of 44 COS subjects were unavailable for this study as their IQ tested <70. The PD-NOS patients were younger than the COS patients at the time of testing (12.0+/-2.8 vs 14.4+/-1.8years, respectively, p<0.004). The test levels of these groups were compared with each other. RESULTS The neuropsychological test results for the PD-NOS and COS patients were 1-2standard deviations below normative data across a broad array of cognitive functions. There were no overall differences in the test levels for the six summary scales (F=2.82, df=1, 36, p=0.10) or in the profile shape (F=1.70, df=5, 180, p=0.14) between the PD-NOS and COS groups. For the COS patients, there was a significant difference between their mean full-scale WISC IQ (84.7+/-16.2) and their average standard scores for both the spelling (97.7+/-16.1, n=23, t=4.0, p=0.001) and reading decoding subtests (97.7+/-13.7, n=23, t=3.7, p=0.001) of the Kaufman Test of Educational Achievement. CONCLUSIONS Treatment-refractory PD-NOS and COS patients share a similar pattern of generalized cognitive deficits, including deficits in attention, learning and abstraction which are commonly observed in adult patients with schizophrenia. These data support a hypothesis that at least some of the PD-NOS cases belong within the schizophrenic spectrum, which is of importance for future genetic studies planned for this cohort.
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Affiliation(s)
- S Kumra
- Child Psychiatry Branch, National Institute of Mental Health, Bethesda, MD, USA
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