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Alotiby M, Greguric I, Kibédi T, Lee BQ, Roberts M, Stuchbery AE, Tee P, Tornyi T, Vos M. Measurement of the intensity ratio of Auger and conversion electrons for the electron capture decay of125I. ACTA ACUST UNITED AC 2018; 63:06NT04. [DOI: 10.1088/1361-6560/aab24b] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Abstract
The use of pumps both proximal and distal to the dialyzer during continuous hemodialysis provides control of dialysate and ultrafiltration flow rates, thereby reducing nursing time. However, we had noted unexpected severe extracellular fluid depletion suggesting that errors in pump delivery may be responsible. We measured in vitro the operation of various pumps under conditions similar to continuous hemodialysis. Fluid delivery of peristaltic and roller pumps varied with how the tubing set was inserted in the pump. Piston and peristaltic pumps with dedicated pump segments were more accurate. Pumps should be calibrated and tested under conditions simulating continuous hemodialysis prior to in vivo use.
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Ainscough LP, Ford JL, Morecroft CW, Peak M, Turner MA, Nunn AJ, Roberts M. Accuracy of intravenous and enteral preparations involving small volumes for paediatric use: a review. Eur J Hosp Pharm 2018; 25:66-71. [PMID: 31156991 PMCID: PMC6452381 DOI: 10.1136/ejhpharm-2016-001117] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 11/28/2016] [Accepted: 12/12/2016] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Children often need to be administered very small volumes of medicines that are authorised for use in adults. Neonatal drug delivery is particularly challenging, and doses are often immeasurable with the equipment currently available. AIM To summarise research to date on the accuracy of intravenous and enteral medicine preparation requiring small volumes (<0.1 mL), with a focus on paediatric use and to identify areas for further work. METHOD Twenty-three publications were identified for the narrative review via: Web of Science (1950-2016), Cumulative Index to Nursing and Allied Health Literature (1976-2016), Excerpta Medica Database (1974-2016) and International Pharmaceutical Abstracts (1970-2016) searches. Nine additional papers were identified through backward citation tracking and a further 17 were included from the personal knowledge of the review team. RESULTS Measurement of volumes (<0.1 mL), for enteral and intravenous dosing, accounts for 25% of medicine manipulations within paediatric hospitals. Inaccuracies are described throughout the literature with dose administration errors attributed to technique, calculation, dilution and problems associated with equipment. While standardised concentrations for intravenous infusion and drug concentrations that avoid measurement of small volumes would ameliorate problems, further work is needed to establish accurate methods for handling small volumes during the administration of medicines to children and risk minimisation strategies to support staff involved are also necessary. CONCLUSIONS This review has revealed a paucity of information on the clinical outcomes from problems in measuring small volumes for children and highlighted the need for further work to eliminate this source of inaccurate dosing and potential for medication error.
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Wyrick DL, Roberts M, Young ZT, Mancino AT. Changing practices: The addition of a novel surgical approach to gynecomastia. Am J Surg 2018; 216:547-550. [PMID: 29395029 DOI: 10.1016/j.amjsurg.2018.01.035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Revised: 12/15/2017] [Accepted: 01/24/2018] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Gynecomastia can be a significant impediment to quality of life for men who suffer from this affliction. Numerous surgical techniques have been described in the literature ranging from minimally invasive options such as liposuction to incision based reductions. The standard for the general surgeons at our institution has been subcutaneous mastectomy through a circumareolar incision, which often proved inadequate for patients with grade II or III gynecomastia. In November 2013 we adopted a new technique, the "double donut", that offers the post-operative appearance of a limited incision, with the additional benefits of mastopexy, skin reduction, and mastectomy through an enlarged incision which is not superficially evident at the completion of the procedure. METHODS We reviewed our surgical database for all cases performed for gynecomastia in the period from May 2005 to August 2016. Basic demographic information, diagnostic modality, symptoms, indication for procedure, operation performed, and final pathology were collected and analyzed. RESULTS There were 70 mastectomies performed on 52 subjects. All subjects were male; 14 were African American and 38 were Caucasian. The average age was 47 (23-73) years old. The majority of the patients were evaluated with mammogram and/or ultrasound. All but one patient presented with pain as the chief complaint. There were 41 mastectomies done prior to initiation of this technique and 29 were performed after. The average total volume of breast tissue excised via the previous technique was 97.4 cm3, this increased to 186.5 cm3 with the new technique. No necrosis of the NAC was seen and no wound infections resulted in complication. Cosmetic satisfaction was seen in 98% of patients. CONCLUSION The "double donut" technique is particularly useful for males with grades II or III gynecomastia. It provides good wound results, with acceptable patient satisfaction and cosmetic outcomes. Although initially developed for patients with higher grade gynecomastia, the improved visibility and increased patient satisfaction allowed this to become the preferred technique at our institution.
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Morley M, Roberts M, Prince S, Bayne M. A review of in-field recurrences following radical radiotherapy for non-small cell lung cancer (NSCLC) at Dorset Cancer Centre, UK. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30188-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sajeev J, Ye S, Roberts M, Roberts L, Teh A. Atrial Fibrillation Leads to Increased Hospitalisation in Patients Undergoing Dialysis. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Roberts M, Morley M, Prince S, Bayne M. A review of cause of death following radical radiotherapy for non-small cell lung cancer (NSCLC) at Dorset Cancer Centre, UK. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30179-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Prince SK, Roberts M, Morley M, Bayne M. Ninety Day Mortality and Overall Survival after Radical Radiotherapy for Non-small Cell Lung Cancer. Clin Oncol (R Coll Radiol) 2017; 30:199. [PMID: 29208479 DOI: 10.1016/j.clon.2017.11.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 11/17/2017] [Indexed: 10/18/2022]
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Roberts M, Hanley N, Cresswell W. User fees across ecosystem boundaries: Are SCUBA divers willing to pay for terrestrial biodiversity conservation? JOURNAL OF ENVIRONMENTAL MANAGEMENT 2017; 200:53-59. [PMID: 28558306 DOI: 10.1016/j.jenvman.2017.05.070] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 05/01/2017] [Accepted: 05/23/2017] [Indexed: 06/07/2023]
Abstract
While ecological links between ecosystems have been long recognised, management rarely crosses ecosystem boundaries. Coral reefs are susceptible to damage through terrestrial run-off, and failing to account for this within management threatens reef protection. In order to quantify the extent to that coral reef users are willing to support management actions to improve ecosystem quality, we conducted a choice experiment with SCUBA divers on the island of Bonaire, Caribbean Netherlands. Specifically, we estimated their willingness to pay to reduce terrestrial overgrazing as a means to improve reef health. Willingness to pay was estimated using the multinomial, random parameter and latent class logit models. Willingness to pay for improvements to reef quality was positive for the majority of respondents. Estimates from the latent class model determined willingness to pay for reef improvements of between $31.17 - $413.18/year, dependent on class membership. This represents a significant source of funding for terrestrial conservation, and illustrates the potential for user fees to be applied across ecosystem boundaries. We argue that such across-ecosystem-boundary funding mechanisms are an important avenue for future investigation in many connected systems.
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Shak S, Roberts M, Miller D, Kurian A, Petkov V. Breast cancer specific survival (BCSS) in young women <40 years with node negative luminal breast cancer (BC) treated based on tumor gene expression. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx385.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Burholt V, Roberts M, Musselwhite C. DOES GEOGRAPHIC SETTLEMENT TYPE MODERATE THE ASSOCIATION BETWEEN DEPRIVATION AND AGE-FRIENDLINESS? Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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van der Ploeg AT, Kruijshaar ME, Toscano A, Laforêt P, Angelini C, Lachmann RH, Pascual Pascual SI, Roberts M, Rösler K, Stulnig T, van Doorn PA, Van den Bergh PYK, Vissing J, Schoser B. European consensus for starting and stopping enzyme replacement therapy in adult patients with Pompe disease: a 10-year experience. Eur J Neurol 2017; 24:768-e31. [PMID: 28477382 DOI: 10.1111/ene.13285] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 02/21/2017] [Indexed: 01/06/2023]
Abstract
BACKGROUND AND PURPOSE Pompe disease is a rare inheritable muscle disorder for which enzyme replacement therapy (ERT) has been available since 2006. Uniform criteria for starting and stopping ERT in adult patients were developed and reported here. METHODS Three consensus meetings were organized through the European Pompe Consortium, a network of experts from 11 European countries in the field of Pompe disease. A systematic review of the literature was undertaken to determine the effectiveness of ERT in adult patients on a range of clinical outcome measures and quality of life. A narrative synthesis is presented. RESULTS Consensus was reached on how the diagnosis of Pompe disease should be confirmed, when treatment should be started, reasons for stopping treatment and the use of ERT during pregnancy. This was based on expert opinion and supported by the literature. One clinical trial and 43 observational studies, covering a total of 586 individual adult patients, provided evidence of a beneficial effect of ERT at group level. At individual patient level, the response to treatment varied, but factors associated with a patient's response to ERT were not described in many studies. Eleven observational studies focused on more severely affected patients, suggesting that ERT can also be beneficial in these patients. There are no studies on the effects of ERT in pre-symptomatic patients. CONCLUSIONS This is the first European consensus recommendation for starting and stopping ERT in adult patients with Pompe disease, based on the extensive experience of experts from different countries.
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Buess M, Schneider T, Maurer M, Borer H, Thurnheer R, Köhler E, Junker L, Jahn K, Grob M, Rüdiger J, Geiser T, Helfenstein E, Soler M, Fiechter R, Sigrist T, Brun P, Barandun J, Koltai E, Lopez-Campos J, Hartl S, Roberts M, Schumann D, Tamm M, Stolz D. 106 Treatment of COPD exacerbation in Switzerland - results and recommendations of the European COPD Audit. Chest 2017. [DOI: 10.1016/j.chest.2017.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Hopkins L, Gaines E, Brown C, Roberts M, Evans T, Lewis M. Comparison of functional outcomes post 10 week home exercise programme and a 10 week supervised exercise programme in intermittent claudication patients. Int J Surg 2016. [DOI: 10.1016/j.ijsu.2016.08.485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Thomsen C, Malfatti E, Jovanovic A, Roberts M, Kalev O, Lindberg C, Oldfors A. Proteomic characterization of polyglucosan bodies in patients with RBCK1 deficiency. Neuromuscul Disord 2016. [DOI: 10.1016/j.nmd.2016.06.412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Miller D, Roberts M, Petkov V, Shak S, Howlader N, Cronin K, Penberthy L. Breast cancer-specific survival in >4,600 patients with lymph node-positive (LN+) hormone receptor-positive (HR+) invasive breast cancer (BC) and 21-gene recurrence score® (RS) results in the SEER registries. Ann Oncol 2016. [DOI: 10.1093/annonc/mdw364.07] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Roberts M, Lee D. A Proposed Peritoneal-Based Wearable Artificial Kidney. ACTA ACUST UNITED AC 2016; 3:65-67. [DOI: 10.1111/hdi.1999.3.1.65] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Davies SG, Figuccia ALA, Fletcher Paul AM, Roberts M, Thomson JE. Asymmetric Syntheses of (−)-ADMJ and (+)-ADANJ: 2-Deoxy-2-amino Analogues of (−)-1-Deoxymannojirimycin and (+)-1-Deoxyallonojirimycin. J Org Chem 2016; 81:6481-95. [DOI: 10.1021/acs.joc.6b01107] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Wong LY, Wong A, Robertson T, Burns K, Roberts M, Isbister GK. Severe Hypertension and Bradycardia Secondary to Midodrine Overdose. J Med Toxicol 2016; 13:88-90. [PMID: 27417951 DOI: 10.1007/s13181-016-0574-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2016] [Revised: 07/05/2016] [Accepted: 07/06/2016] [Indexed: 10/21/2022] Open
Abstract
The objective of this case is to describe the pharmacokinetics and toxicity of midodrine in overdose. A 20 year old female ingested up to 350 mg midodrine while recovering in hospital from another overdose. She developed vomiting and severe hypertension (blood pressure [BP], 210/100 mmHg). Remarkable findings included a heart rate with a range of 43-60 beats/min, spontaneous respirations (20 breaths/min), and oxygen saturations of >95 % on FiO2 25 %, and a GS of 8. She was admitted to intensive care and had a normal non-contrast CT brain. She was treated with a glyceryl trinitrate patch (5 mg) and observed for 36 h with subsequent BP reduction to 124/81 mmHg and improved in conscious state. Midodrine and desglymidodrine concentrations were measured with liquid chromatography tandem mass spectrometry and were detected with 2-h post-ingestion at concentrations of 158.4 and 169.7 ng/mL, respectively. The parent drug concentrations rapidly decreased with an elimination of half-life of 1.6 h, and the metabolite initially increased and then decreased. The peak in blood pressure appeared to coincide with peak metabolite concentrations. Midodrine in overdose can potentially cause severe hypertension and reflex bradycardia but given its short half-life treatment with vasodilator agents and supportive care is sufficient.
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Murray S, Bashir K, Lees KR, Muir K, MacAlpine C, Roberts M, Langhorne P. Epidemiological Aspects of Referral to TIA Clinics in Glasgow. Scott Med J 2016; 52:4-8. [PMID: 17373416 DOI: 10.1258/rsmsmj.52.1.4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
A retrospective cohort study was carried out of new referrals to transient ischaemic attack (TIA) clinics in Glasgow. The aims of the study were to describe the profile of referrals and to assess the odds ratios for TIA, minor stroke or amaurosis fugax of both cardiovascular risk factors and clinical features. In total, data were collected for 813 new referrals in a period of six months. Thirteen point eight percent of referrals were from other Health Boards. The overall referral rate among residents of Greater Glasgow NHS Board was 165.6 per 100,000 per year. About 20% of referrals were made by clinicians in secondary care. The specialties from which referrals were most commonly made were accident and emergency, general medicine, ophthalmology and geriatric assessment. The most common risk factors in patients referred were hypertension (52.9%), smoking (31.7%), ischaemic heart disease (22.7%) and former smokers (22.4%). The most common clinical features were hemiparesis (13.3%), weakness of an upper limb (8.7%), vertigo (7.9%) and dysphasia (7.3%). In 48.7% of cases, a non-cerebrovascular diagnosis was made. Separate multivariate models were established for risk factors and clinical features. In the model for risk factors, five factors were significant for risk of TIA, stroke or amaurosis fugax. These were hyperlipidaemia, age over 64 years, hypertension, smoking and ex-smoking. In the model for clinical features, five factors were also significant. These were visual field defect, speech defact, facial weakness and hemiparesis.
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Schoser B, Byrne B, Eyskens F, Hiwot T, Hughes D, Kissel J, Mengel E, Mozaffar T, Pestronk A, Roberts M, Sivakumar K, Statland J, Young P, Heusner C, Dummer W. An international, phase 3, switchover study of reveglucosidase alfa (BMN 701) in subjects with late-onset Pompe disease. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Evangelista T, Wood L, Pohlschmidt M, Longman C, Roberts M, Hilton-Jones D, Lunt P, Wills T, Orrell R, Norwood F, Williams M, Smith D, Hudson J, Lochmüller H. Pain and quality of life in the UK FSHD patient registry. Neuromuscul Disord 2015. [DOI: 10.1016/j.nmd.2015.06.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Roberts M, Kerry K. P03.21 Be safe. stay well: four videos to educate international students on sexual health and staying safe in australia. Br J Vener Dis 2015. [DOI: 10.1136/sextrans-2015-052270.249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Liang X, Wang H, Zhu Y, Grice J, Liu X, Xu Z, Roberts M. 708 Early diagnosis of hepatocellular carcinoma by in vivo imaging. Eur J Cancer 2015. [DOI: 10.1016/s0959-8049(16)30378-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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