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Gregory SG, Barlow KF, McLay KE, Kaul R, Swarbreck D, Dunham A, Scott CE, Howe KL, Woodfine K, Spencer CCA, Jones MC, Gillson C, Searle S, Zhou Y, Kokocinski F, McDonald L, Evans R, Phillips K, Atkinson A, Cooper R, Jones C, Hall RE, Andrews TD, Lloyd C, Ainscough R, Almeida JP, Ambrose KD, Anderson F, Andrew RW, Ashwell RIS, Aubin K, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Beasley H, Bethel G, Bird CP, Bray-Allen S, Brown JY, Brown AJ, Bryant SP, Buckley D, Burford DC, Burrill WDH, Burton J, Bye J, Carder C, Chapman JC, Clark SY, Clarke G, Clee C, Clegg SM, Cobley V, Collier RE, Corby N, Coville GJ, Davies J, Deadman R, Dhami P, Dovey O, Dunn M, Earthrowl M, Ellington AG, Errington H, Faulkner LM, Frankish A, Frankland J, French L, Garner P, Garnett J, Gay L, Ghori MRJ, Gibson R, Gilby LM, Gillett W, Glithero RJ, Grafham DV, Gribble SM, Griffiths C, Griffiths-Jones S, Grocock R, Hammond S, Harrison ESI, Hart E, Haugen E, Heath PD, Holmes S, Holt K, Howden PJ, Hunt AR, Hunt SE, Hunter G, Isherwood J, James R, Johnson C, Johnson D, Joy A, Kay M, Kershaw JK, Kibukawa M, Kimberley AM, King A, Knights AJ, Lad H, Laird G, Langford CF, Lawlor S, Leongamornlert DA, Lloyd DM, Loveland J, Lovell J, Lush MJ, Lyne R, Martin S, Mashreghi-Mohammadi M, Matthews L, Matthews NSW, McLaren S, Milne S, Mistry S, oore MJFM, Nickerson T, O'Dell CN, Oliver K, Palmeiri A, Palmer SA, Pandian RD, Parker A, Patel D, Pearce AV, Peck AI, Pelan S, Phelps K, Phillimore BJ, Plumb R, Porter KM, Prigmore E, Rajan J, Raymond C, Rouse G, Saenphimmachak C, Sehra HK, Sheridan E, Shownkeen R, Sims S, Skuce CD, Smith M, Steward C, Subramanian S, Sycamore N, Tracey A, Tromans A, Van Helmond Z, Wall J. M. Wallis M, White S, Whitehead SL, Wilkinson JE, Willey DL, Williams H, Wilming L, Wray PW, Wu Z, Coulson A, Vaudin M, Sulston JE, Durbin R, Hubbard T, Wooster R, Dunham I, Carter NP, McVean G, Ross MT, Harrow J, Olson MV, Beck S, Rogers J, Bentley DR. Erratum: The DNA sequence and biological annotation of human chromosome 1. Nature 2006. [DOI: 10.1038/nature05152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
This article reviews the relationship between ageing and nutrition. The vulnerability of older adults to nutritional decline is explored and the importance of nutritional screening in this population is discussed. The author considers some of the barriers to achieving nutritional adequacy once patients have been admitted to hospital and suggests how these can be overcome.
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Tavadia S, Dawn G, Payne C, Ramrakha-Jones V, Murday A, Holmes S. Skin-cancer awareness in Scottish cardiac transplant recipients. Clin Exp Dermatol 2006; 31:354-7. [PMID: 16681574 DOI: 10.1111/j.1365-2230.2006.02098.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Cardiac transplant recipients have a greatly increased risk of nonmelanoma skin cancer, with a relative risk of up to 108. Skin cancer is more aggressive in transplant patients and results in substantial morbidity and mortality. It is therefore important that these patients understand this risk and take adequate sun-protection measures. AIM To assess awareness of skin cancer risk and sun protection measures used by cardiac transplant recipients and determine the impact of patient education. METHODS Using a detailed questionnaire, we surveyed 118 patients attending the cardiac transplant clinic at our centre to quantify knowledge of skin cancer risk (maximum total score 10) and behaviour in the sun (maximum total score 15). Of these patients, 50 were then seen by a dermatologist for education about skin cancer risk, sun protection measures and skin cancer screening. Six months later, we asked them to complete the same questionnaire again. RESULTS The mean knowledge score was 7.3/10 and the mean behaviour score was 11.2/15. In the group that received education, the mean knowledge score improved from 7.2/10 before the dermatology consultation to 7.8/10 after the consultation (P < 0.03). The mean score for the behaviour questions improved even more, from 11.2/15 before to 13.5/15 after the consultation (P < 0.0001). CONCLUSIONS. This study demonstrates that specialist advice can improve self-reported knowledge of skin cancer risk and sun protective behaviour in cardiac transplant recipients. It is hoped that this may reduce the risk of nonmelanoma skin cancer in these patients.
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Holmes S, Palmer B, DeWerd L, Micka J, Stump K. SU-FF-T-312: Liquid Helium Calorimeter for Brachytherapy Source Strength Measurement. Med Phys 2006. [DOI: 10.1118/1.2241229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Holmes S, DeWerd L, Micka J. SU-FF-T-322: Miniature TLDs for Use in Beta Dosimetry. Med Phys 2006. [DOI: 10.1118/1.2241244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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Gregory SG, Barlow KF, McLay KE, Kaul R, Swarbreck D, Dunham A, Scott CE, Howe KL, Woodfine K, Spencer CCA, Jones MC, Gillson C, Searle S, Zhou Y, Kokocinski F, McDonald L, Evans R, Phillips K, Atkinson A, Cooper R, Jones C, Hall RE, Andrews TD, Lloyd C, Ainscough R, Almeida JP, Ambrose KD, Anderson F, Andrew RW, Ashwell RIS, Aubin K, Babbage AK, Bagguley CL, Bailey J, Beasley H, Bethel G, Bird CP, Bray-Allen S, Brown JY, Brown AJ, Buckley D, Burton J, Bye J, Carder C, Chapman JC, Clark SY, Clarke G, Clee C, Cobley V, Collier RE, Corby N, Coville GJ, Davies J, Deadman R, Dunn M, Earthrowl M, Ellington AG, Errington H, Frankish A, Frankland J, French L, Garner P, Garnett J, Gay L, Ghori MRJ, Gibson R, Gilby LM, Gillett W, Glithero RJ, Grafham DV, Griffiths C, Griffiths-Jones S, Grocock R, Hammond S, Harrison ESI, Hart E, Haugen E, Heath PD, Holmes S, Holt K, Howden PJ, Hunt AR, Hunt SE, Hunter G, Isherwood J, James R, Johnson C, Johnson D, Joy A, Kay M, Kershaw JK, Kibukawa M, Kimberley AM, King A, Knights AJ, Lad H, Laird G, Lawlor S, Leongamornlert DA, Lloyd DM, Loveland J, Lovell J, Lush MJ, Lyne R, Martin S, Mashreghi-Mohammadi M, Matthews L, Matthews NSW, McLaren S, Milne S, Mistry S, Moore MJF, Nickerson T, O'Dell CN, Oliver K, Palmeiri A, Palmer SA, Parker A, Patel D, Pearce AV, Peck AI, Pelan S, Phelps K, Phillimore BJ, Plumb R, Rajan J, Raymond C, Rouse G, Saenphimmachak C, Sehra HK, Sheridan E, Shownkeen R, Sims S, Skuce CD, Smith M, Steward C, Subramanian S, Sycamore N, Tracey A, Tromans A, Van Helmond Z, Wall M, Wallis JM, White S, Whitehead SL, Wilkinson JE, Willey DL, Williams H, Wilming L, Wray PW, Wu Z, Coulson A, Vaudin M, Sulston JE, Durbin R, Hubbard T, Wooster R, Dunham I, Carter NP, McVean G, Ross MT, Harrow J, Olson MV, Beck S, Rogers J, Bentley DR, Banerjee R, Bryant SP, Burford DC, Burrill WDH, Clegg SM, Dhami P, Dovey O, Faulkner LM, Gribble SM, Langford CF, Pandian RD, Porter KM, Prigmore E. The DNA sequence and biological annotation of human chromosome 1. Nature 2006; 441:315-21. [PMID: 16710414 DOI: 10.1038/nature04727] [Citation(s) in RCA: 170] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2005] [Accepted: 03/13/2006] [Indexed: 11/08/2022]
Abstract
The reference sequence for each human chromosome provides the framework for understanding genome function, variation and evolution. Here we report the finished sequence and biological annotation of human chromosome 1. Chromosome 1 is gene-dense, with 3,141 genes and 991 pseudogenes, and many coding sequences overlap. Rearrangements and mutations of chromosome 1 are prevalent in cancer and many other diseases. Patterns of sequence variation reveal signals of recent selection in specific genes that may contribute to human fitness, and also in regions where no function is evident. Fine-scale recombination occurs in hotspots of varying intensity along the sequence, and is enriched near genes. These and other studies of human biology and disease encoded within chromosome 1 are made possible with the highly accurate annotated sequence, as part of the completed set of chromosome sequences that comprise the reference human genome.
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Ali N, Carter J, Cheng L, Coghlan K, Hardee P, Holmes S. Opportunistic and reprehensible. Br Dent J 2006; 200:359. [PMID: 16607295 DOI: 10.1038/sj.bdj.4813433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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MacDonald A, Berty C, Holmes S. An audit of the management of melanoma patients at Glasgow Royal Infirmary 1998-2003. Scott Med J 2006; 51:30-3. [PMID: 16562423 DOI: 10.1258/rsmsmj.51.1.30] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND Melanoma is an important cause of morbidity and mortality. Recently published Scottish Intercollegiate Guideline Network (SIGN) guidelines outline standard management for melanoma patients in Scotland. METHODS We audited the management of consecutive patients diagnosed with melanoma in Glasgow Royal Infirmary (1998-2003), using the SIGN guidelines as a gold standard. RESULTS Of 102 patients, 41% were male and 59% were female. The mean ages of men and women were 58 and 50 years respectively. Fifty five per cent of all patients had a superficial spreading melanoma, and the median Breslow thickness was 0.64 mm. The most commonly affected site was the head and neck (29%). Most patients (87%) were referred by their general practitioner, but only 30% were marked as urgent by the referrer, and accordingly the median time to first appointment varied between 20 days (1998) and 52 days (2001). The most frequently noted suspicious feature was irregular pigmentation. The median time to biopsy was 6 days. Seventy-one per cent of patients had an excision biopsy, and of those who did not, most (71%) had lesions on the head and neck. There was poor recording of surgical margins (13%) and histological margins were used to determine the need for re-excision. The SIGN guidelines for re-excision and sentinel lymph node biopsy were closely followed. CONCLUSION The SIGN guidelines for melanoma have been adhered to in our department, although time to first appointment exceeded national recommendations.
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Abstract
The development of transgenic mice expressing human DR and DQ major histocompatibility complex (MHC) class II molecules has been of value in studying the immunopathology of human MHC class II-associated autoimmune diseases such as rheumatoid arthritis, multiple sclerosis, insulin-dependent diabetes mellitus and celiac disease. Such mice have been used to identify the target antigens that are involved in the initiation of these diseases. Many of the mice develop aspects of the human diseases, either spontaneously or following immunization with the relevant antigen, thus providing an in vivo disease model, which may be used as a tool for further understanding the disease mechanisms and testing novel immunotherapies.
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MacDonald AJ, Drummond A, Chui D, Holmes S. Lichen nitidus and lichen spinulosus or spinous follicular lichen nitidus? Clin Exp Dermatol 2005; 30:452-3. [PMID: 15953104 DOI: 10.1111/j.1365-2230.2005.01807.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
Until recently, the concept of antibodies as in vivo therapeutics was still considered to be an exceedingly ambitious goal. However, in 2003, the situation has been completely transformed, with 14 FDA-approved monclonal antibodies (mAbs), 70 in late stage clinical (Phase II+) trials and > 1000 in preclinical development. The driving force behind this reversal in fortune has been advances in antibody engineering and the emergence of novel discovery techniques which overcame stability and immunogenicity issues that had blighted previous clinical trials of murine antibodies. For indications as diverse as inflammation, cancer and infectious disease, it is clear that unique properties of antibodies make them safe, effective and versatile therapeutics. These drugs can be used to neutralise pathogens, toxins and endogenous mediators of pathology. As cell targeting reagents, antibodies can be used to modulate cytoplasmic cascades or to 'tag' specific cells for complement- or effector-mediated lysis. Antibodies can also be modified to deliver toxic or modulatory payloads (small molecules, radionuclides and enzymes) and engineered to bind multiple epitopes (bispecifics) or even to have novel catalytic activity (abzymes). The modular structure of immunoglobulins and the availability of antibody fragment libraries also make it possible to produce variable-domain therapeutics (Fab, single-chain and domain antibodies). Although exhibiting less favourable kinetics in vivo, these fragments are simple to express and have an increased tissue penetration, making them especially useful as neutralising agents or in the delivery of payload. The number of approved antibodies is expected to increase arithmetically in the near term, as the platform is adopted as a valid alternative to small molecule discovery. This review provides an introduction to the antibody discovery process and discusses the past, present and future applications of therapeutic antibodies, with reference to several FDA-approved precedents.
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Bogduk N, Holmes S. Controlled zygapophysial joint blocks: the travesty of cost-effectiveness. PAIN MEDICINE 2004; 1:24-34. [PMID: 15101961 DOI: 10.1046/j.1526-4637.2000.99104.x] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE The aim of this study was to develop equations by which the costs could be compared of various models of performing diagnostic blocks for spinal pain. DESIGN Algorithms were elaborated describing different strategies for the diagnosis of cervical or lumbar zygapophysial joint pain using placebo-controlled diagnostic blocks, comparative local anaesthetic blocks, or no control blocks, and its treatment with radiofrequency neurotomy. For each step in each algorithm cost functions were applied. Summary equations were derived that allowed the cost of the algorithms to be compared algebraically. A selection of costs were substituted for the unknown variables in the equations in order to illustrate the cost-effectiveness of different algorithms under Australian and US conditions. RESULTS The equations indicated that cost-effectiveness was critically dependent on the ratio between the cost of treatment and the cost of a diagnostic block. For cervical zygapophysial joint pain, reimbursements discourage best practice, both in Australia and in the United States, by rendering the use of controlled blocks more expensive than no controls. For lumbar zygapophysial joint pain, controlled blocks are cost-effective under Australian fee schedules, and under some but not all American schedules. In the name of cost-effectiveness, the US fee structure encourages presumptive therapy without regard to diagnosis, but ignores the ethical and logistic consequences of inordinately high failure rates of therapy when a diagnosis is not established using controlled blocks. CONCLUSIONS Best practice, using placebo-controlled diagnostic blocks before neurosurgical therapy of zygapophysial joint pain, is not encouraged and rewarded in the United States. In Australia it is compensated only in the context of lumbar zygapophysial joint pain. In the interests of short-term financial savings, the US fee structure sacrifices the majority of patients to failed treatment because of lack of proper diagnosis. Clinical absurdity, rather than evidence-based, best practice is encouraged.
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Holmes S, Zwar N, Jiménez-Ruiz CA, Ryan PJ, Browning D, Bergmann L, Johnston JA. Bupropion as an aid to smoking cessation: a review of real-life effectiveness. Int J Clin Pract 2004; 58:285-91. [PMID: 15117097 DOI: 10.1111/j.1368-5031.2004.00153.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Clinical trials rigorously demonstrate the efficacy of new products and justify their marketing. However, it is only after use in real-life settings that the clinical value (effectiveness) of a new treatment is fully known. The purpose of this review was to summarise the effectiveness data for bupropion SR as an aid to smoking cessation. Available reports of effectiveness data for bupropion SR were obtained from the literature, presentations at smoking cessation meetings and from the manufacturer. Twelve sources of effectiveness data were found and included clinical practice trials, observational studies/surveys, motivational support programme results and employer-based cessation programme results. The 6-month point prevalence smoking cessation rates ranged from 25 to 49%. There is a growing body of evidence supporting the effectiveness of bupropion SR as an aid to smoking cessation. Real-life quit rates for bupropion SR are similar to those seen in the original clinical trial programme.
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Rampaul RS, Mullinger K, Macmillan RD, Cid J, Holmes S, Morgan DAL, Blamey RW. Incidence of clinically significant lymphoedema as a complication following surgery for primary operable breast cancer. Eur J Cancer 2003; 39:2165-7. [PMID: 14522373 DOI: 10.1016/s0959-8049(03)00539-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
There has recently been considerable interest for the need for specialist lymphoedema nurses to be appointed in the NHS. However, we had noticed in our cancer follow-up clinics that the incidence of lymphoedema appeared to be very low. Treatment for primary breast cancer (>5 cm) has been surgery and low axillary sampling (ANS). Radiotherapy (RT) or axillary clearance is subsequently performed in patients found to be node positive. The patients are followed-up in the primary breast cancer (PBC) clinic weekly. Follow-up is initially at 3-month intervals up to 2 years and then 1 yearly indefinitely. We conducted a two phased study in patients being followed up in our post cancer clinic in order to identify the incidence of LE in these patients. Phase 1 involved symptomatic patients identified at routine follow up in a 15-week period and the number of patients reporting arm swelling was recorded. The aim of this was to provide an estimate to power a phase 2 study (prospective questionnaire based). Phase 2 was conducted over a 13-week period. All patients attending the clinic were administered modified FACT B4, EQ-50 and Speilberger questionnaires. A total of 1242 patients were examined and lymphoedema found in 5 (0.04%). Of these 5, 3 had undergone axillary clearance, 1 ANS plus radiotherapy and only 1 had ANS alone. A policy of ANS, with prophylactic treatment for lymph node positivity either by surgery or RT alone, gives a very low rate of lymphoedema.
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Holmes S, Coghlan K, McAllinden P, Hardee P, Chan O. Complications with use of the Epistat in the arrest of midfacial haemorrhage. Injury 2003; 34:901-7. [PMID: 14636731 DOI: 10.1016/s0020-1383(02)00372-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Control of midfacial haemorrhage can be difficult, especially in the multiply injured patient, either at the scene of injury, or in the Accident and Emergency Department. The use of Epistats has proven invaluable in this setting. Potential problems exist with their use and this is illustrated with examples, together with strategies for overcoming them. A summary of the didactic method of safe use of this life saving technique is insert the Epistat, aiming for a fingertip placed at the soft palate;inflate the posterior cuff;withdraw the Epistat slightly, to position the posterior cuff within the nasal choanae;inflate the anterior (intranasal) cuff.
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Abstract
Giant cell arteritis is a systemic disease of the elderly which affects large and medium-sized arteries and which may occur in association with polymyalgia rheumatica. Scalp necrosis is a rare cutaneous complication of giant cell arteritis, and this dermatological presentation is not commonly reported.1-4 Giant cell arteritis should be considered in all elderly patients with scalp ulceration. We describe two patients who presented in this manner.
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Abstract
The last 5 years have seen a major upturn in the fortune of therapeutic monoclonal antibodies (mAbs), with nine mAbs approved for clinical use during this period and more than 70 now in clinical trials beyond phase II. Sales are expected to reach $4 billion per annum worldwide in 2002 and $15 billion by 2010. This success can be related to the engineering of mouse mAbs into mouse/human chimaeric antibodies or humanized antibodies, which have had a major effect on immunogenicity, effector function and half-life. The issue of repeated antibody dosing at high levels with limited toxicity was essential for successful clinical applications. Emerging technologies (phage display, human antibody-engineered mice) have created a vast range of novel, antibody-based therapeutics, which specifically target clinical biomarkers of disease. Modified recombinant antibodies have been designed to be more cytotoxic (toxin delivery), to enhance effector functions (bivalent mAbs) and to be fused with enzymes for prodrug therapy and cancer treatment. Antibody fragments have also been engineered to retain specificity and have increased the penetrability of solid tumours (single-chain variable fragments). Radiolabelling of antibodies has now been shown to be effective for cancer imaging and targeting. This article focuses on developments in the design and clinical use of recombinant antibodies for cancer therapy.
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McIntosh AM, Holmes S, Gleeson S, Burns JK, Hodges AK, Byrne MM, Dobbie R, Miller P, Lawrie SM, Johnstone EC. Maternal recall bias, obstetric history and schizophrenia. Br J Psychiatry 2002; 181:520-5. [PMID: 12456523 DOI: 10.1192/bjp.181.6.520] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND This study sought to clarify the role of obstetric complications (OCs) and maternal recall bias for patients with first episodes of schizophrenia and those at increased risk of the disorder. METHOD Subjects at high risk of schizophrenia were compared with people with first-episode schizophrenia and with healthy volunteers. Consenting mothers of subjects were interviewed using a standardised questionnaire for the recall of OCs, and OCs were also measured from records collected at the time of pregnancy and delivery. RESULTS High-risk subjects and first-episode patients had higher rates of OCs recalled by their mother than controls, but hospital records showed no differences in OCs between groups. The number of OCs recalled by mothers of the high-risk group was not related to whether the mother had schizophrenia or not, but was related to the maternally rated abnormal childhood behaviour as measured by the Child Behaviour Checklist. CONCLUSIONS These results suggest that studies that rely on maternal recall alone are susceptible to bias. The excess of OCs recalled by the mother could be related to abnormal behaviour in their child rather than maternal illness, family history or psychotic symptoms.
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Jackson G, Betteridge J, Dean J, Eardley I, Hall R, Holdright D, Holmes S, Kirby M, Riley A, Sever P. A systematic approach to erectile dysfunction in the cardiovascular patient: a Consensus Statement--update 2002. Int J Clin Pract 2002; 56:663-71. [PMID: 12469980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
Abstract
Sexual activity is no more stressful to the heart when compared with a number of other natural daily activities, e.g. walking one mile on the level in 20 minutes. The cardiac risk of sexual activity in patients diagnosed with cardiovascular disease is minimal in properly assessed and advised patients. Erectile dysfunction (ED) is extremely common, affecting over half of men aged 40-70 years, and increases in frequency with age. ED and cardiovascular disease share many of the same risk factors and commonly coexist. ED in the otherwise asymptomatic man may be a marker for underlying coronary artery disease. ED in the diagnosed cardiovascular patient should be identified by routine questioning in general practice. Modern therapies can restore a sexual relationship in the majority of patients with ED and can lead to a substantial improvement in quality of life. The majority of patients assessed to be at low or intermediate cardiac risk, as defined later in this paper, can be effectively managed in primary care. Primary care treatment for ED in patients defined as high risk can be initiated following a specialist opinion and/or confirmation that the patient's cardiovascular condition is stabilised. There is no evidence that currently licensed treatments for ED add to the overall cardiovascular risk in patients with or without diagnosed cardiovascular disease. If one form of therapy is not effective, follow-up will identify the need for alternative approaches. The pro-active management of ED in the cardiovascular patient provides an ideal and effective opportunity to address other cardiovascular risk factors and improve treatment outcomes.
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Holmes S, Downs AM, Fosberry A, Hayes PD, Michalovich D, Murdoch P, Moores K, Fox J, Deen K, Pettman G, Wattam T, Lewis C. Sema7A is a potent monocyte stimulator. Scand J Immunol 2002; 56:270-5. [PMID: 12193228 DOI: 10.1046/j.1365-3083.2002.01129.x] [Citation(s) in RCA: 121] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Sema7A is a recently described member of the semaphorin family that is associated with the cell surface via a glycophosphatidylinositol linkage. This study examined the mRNA expression and biological properties of this protein. Although the expression of Sema7A was demonstrated in lymphoid and myeloid cells, no stimulation of cytokine production or proliferation was evident in B or T cells. In contrast, Sema7A is an extremely potent monocyte activator, stimulating chemotaxis at 0.1 pm and inflammatory cytokine production (interleukin-1 (IL-1beta), tumour necrosis factor-alpha (TNF-alpha), IL-6 and IL-8) and superoxide release at 1-10 pm. Sema7A is less effective at stimulating neutrophils. Sema7A also significantly increases granulocyte-macrophage colony-stimulating factor (GM-CSF) production from monocytes but has no consistent effect on IL-10, IL-12 or IL-18. Sema7A can also induce monocytes toward a dendritic cell morphology. Sema7A is expressed in monocytes and probably released through proteolysis and acts as a very potent autocrine activator of these cells.
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Holmes S, Hardee P, Anand P. Use of an orthopaedic fixator for external fixation of the mandible. Br J Oral Maxillofac Surg 2002; 40:238-40. [PMID: 12054716 DOI: 10.1054/bjom.2001.0770] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A patient presented with a chronically infected, non-united fracture of the mandible, with considerable bone loss. He was treated with a metacarpal fixator, the miniPennig external fixator. The fixator is stable and smaller than conventional mandibular fixators. It can be applied and removed under local anaesthesia, if necessary, requires little maintenance and produces minimal scarring. The successful outcome in this patient is encouraging and we commend the use of the fixator in similar difficult cases.
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