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Craig J, Mulligan M, Chen J, Wong E. SU-GG-T-425: Modeling a Multi Leaf Collimator for IMRT Monte Carlo Dose Calculations. Med Phys 2010. [DOI: 10.1118/1.3468822] [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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77
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Chadban S, Howell M, Twigg S, Thomas M, Jerums G, Cass A, Campbell D, Nicholls K, Tong A, Mangos G, Stack A, MacIsaac RJ, Girgis S, Colagiuri R, Colagiuri S, Craig J. Assessment of kidney function in type 2 diabetes. Nephrology (Carlton) 2010; 15 Suppl 1:S146-61. [DOI: 10.1111/j.1440-1797.2010.01239.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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78
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Radauceanu DS, Dragnea D, Craig J. NICE guidelines for inadvertent peri-operative hypothermia. Anaesthesia 2009; 64:1381-2. [DOI: 10.1111/j.1365-2044.2009.06141_18.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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79
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Jensen M, Hoover D, Craig J, Chen J, Wong E. Poster - Wed Eve-51: Geometric Plan Adaptation for Rotational Radiation Therapy. Med Phys 2009. [DOI: 10.1118/1.3244155] [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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80
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Craig J, Walker K, Bayer L, Brunton J, Oliver B, Meiklejohn D, Kernohan N, Tauro S. Multifocal primary extranodal B-cell non-Hodgkin's lymphoma involving six extranodal sites. J Clin Pathol 2008; 62:89-91. [PMID: 19103866 DOI: 10.1136/jcp.2008.060046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
An unusual case of Epstein-Barr virus-negative primary extranodal B-cell non-Hodgkin's lymphoma involving six anatomical sites is described in a report that challenges the role of organotropism in the pathogenesis of extranodal lymphoma.
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81
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Viljoen M, Craig J. Fibromyalgia: A psychophysiological disorder. Int J Psychophysiol 2008. [DOI: 10.1016/j.ijpsycho.2008.05.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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82
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Hunt S, Russell A, Smithson WH, Parsons L, Robertson I, Waddell R, Irwin B, Morrison PJ, Morrow J, Craig J. Topiramate in pregnancy: Preliminary experience from the UK Epilepsy and Pregnancy Register. Neurology 2008; 71:272-6. [PMID: 18645165 DOI: 10.1212/01.wnl.0000318293.28278.33] [Citation(s) in RCA: 156] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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83
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Munawar I, Yaremko B, Craig J, Chen J, Oliver M, Gaede S, Rodrigues G, Yu E, Reid R, Leung E, Wong E. Poster - Thurs Eve-40: The potential of using SPECT ventilation information with IMRT for functional lung avoidance in radiotherapy of non small cell lung cancer. Med Phys 2008; 35:3409. [PMID: 28512881 DOI: 10.1118/1.2965959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
We have investigated the feasibility of using ventilation scans obtained from single photon emission computed tomography (SPECT) in intensity-modulated radiation therapy (IMRT) planning in lung cancer radiotherapy to avoid well functioning lung. We fused SPECT ventilation scans acquired at GE Hawkeye SPECT-CT of ten stage-III lung radiotherapy patients with planning CT in treatment planning system (Pinnacle v8.0, Philips Medical Systems). We automatically segment out 50% and 70% ventilated volumes. For each patient, we generated IMRT plans using nine equally spaced beams with and without avoiding well ventilated volume. They were compared with three beam IMRT plans with beam directions chosen to minimize the mean dose to the ventilated lung volumes, while keeping cord dose below tolerance and dose uniformity in the target. The plans generated using functional lung avoidance information reduces the doses to the functioning lung. With both IMRT avoidance plans, we could not obtain better functional avoidance or lower V-20Gy (volume receiving 20Gy or more) for total lung when the planning target volume (PTV) was surrounded by functional lung volumes. We were able to achieve better ventilated lung avoidance and lower total lung V-20Gy when the PTV is close to, but not surrounded by functioning lung volumes. For patients with the PTV that is far from 50% and 70% functional lung volumes, three-field IMRT spare the ventilated lung as well as nine-field IMRT ventilation avoidance plan, with a lower total lung V20-Gy.
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84
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Craig J, Green R, Kyle B, Jonas M. Airway equipment on the intensive care unit for management of the unanticipated difficult intubation. Crit Care 2007. [PMCID: PMC4095266 DOI: 10.1186/cc5372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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85
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Green R, Craig J, Kyle B, Jonas M. A survey of cardiac output monitoring in intensive care units. Crit Care 2007. [PMCID: PMC4095354 DOI: 10.1186/cc5461] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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86
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Uhlig K, Macleod A, Craig J, Lau J, Levey AS, Levin A, Moist L, Steinberg E, Walker R, Wanner C, Lameire N, Eknoyan G. Grading evidence and recommendations for clinical practice guidelines in nephrology. A position statement from Kidney Disease: Improving Global Outcomes (KDIGO). Kidney Int 2006; 70:2058-65. [PMID: 17003817 DOI: 10.1038/sj.ki.5001875] [Citation(s) in RCA: 157] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Considerable variation in grading systems used to rate the strength of guideline recommendations and the quality of the supporting evidence in Nephrology highlights the need for a uniform, internationally accepted, rigorous system. In 2004, Kidney Disease: Improving Global Outcomes (KDIGO) commissioned a methods expert group to recommend an approach for grading in future nephrology guidelines. This position statement by KDIGO recommends adopting the Grades of Recommendation Assessment, Development, and Evaluation (GRADE) approach for the grading of evidence and guidelines on interventions. The GRADE approach appraises systematic reviews of the benefits and harms of an intervention to determine its net health benefit. The system considers the design, quality, and quantity of studies as well as the consistency and directness of findings when grading the quality of evidence. The strength of the recommendation builds on the quality of the evidence and additional considerations including costs. Adaptations of the GRADE approach are presented to address some issues pertinent to the field of nephrology, including (1) the need to extrapolate from studies performed predominantly in patients without kidney disease, and (2) the need to use qualitative summaries of effects when it is not feasible to quantitatively summarize them. Further refinement of the system will be required for grading of evidence on questions other than those related to intervention effects, such as diagnostic accuracy and prognosis.
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Hunt S, Craig J, Russell A, Guthrie E, Parsons L, Robertson I, Waddell R, Irwin B, Morrison PJ, Morrow J. Levetiracetam in pregnancy: Preliminary experience from the UK Epilepsy and Pregnancy Register. Neurology 2006; 67:1876-9. [PMID: 17130430 DOI: 10.1212/01.wnl.0000244491.48937.55] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
It is not known whether the antiepileptic drug (AED) levetiracetam can be used safely in human pregnancy. As part of a study to determine the risks of major congenital malformations (MCMs) for infants exposed to AEDs in utero, we identified all cases exposed to levetiracetam. Three of 117 exposed pregnancies had an MCM (2.7%; 95% CI 0.9% to 7.7%); all 3 were exposed to other AEDs.
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88
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Gladwish A, Chen J, Oliver M, Craig J, Wong E. TU-E-ValB-07: A Segmentation and Leaf Sequencing Algorithm for IMAT. Med Phys 2006. [DOI: 10.1118/1.2241635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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89
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Craig J, Wong E, Gladwish A, Oliver M, Chen J. SU-FF-T-296: Inverse Treatment Planning Using Volume Sampling with Monte Carlo Dose Calculations. Med Phys 2006. [DOI: 10.1118/1.2241213] [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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90
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Oliver M, Gladwish A, Craig J, Chen J, Wong E. SU-DD-A1-05: A Ray Tracing Method to Generate Initial Conditions for IMAT Optimization. Med Phys 2006. [DOI: 10.1118/1.2240133] [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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91
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Weatherall A, Proe MF, Craig J, Cameron AD, Midwood AJ. Internal cycling of nitrogen, potassium and magnesium in young Sitka spruce. TREE PHYSIOLOGY 2006; 26:673-80. [PMID: 16452081 DOI: 10.1093/treephys/26.5.673] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Potassium (K) and magnesium (Mg) are essential macro-nutrients, but little is known about how they are cycled within plants. Stable isotope studies have shown that the internal cycling of nitrogen (N) is independent of current nutrient supply in temperate tree species. This is ecologically significant because it allows trees to produce rapid shoot growth in spring independent of current soil N uptake. We used stable isotopes to quantify N, K and Mg in new shoots of Sitka spruce (Picea sitchensis (Bong.) Carr.) seedlings and to compare the relative contributions from current uptake and internal cycling. Two-year-old Sitka spruce seedlings were labeled with (15)N, (41)K and (26)Mg in an abundant or a limited supply for one growing season. The trees were repotted in the subsequent dormant season to prevent further root uptake of enriched isotopes and provided with an abundant or a limited supply of unlabeled nutrients until they were harvested in early summer of the following year. The supply was switched for half the trees in the second year to create four nutrient regimes. Enrichment of (15)N, (41)K and (26)Mg in current-year growth was attributed to internally cycled N, K and Mg uptake from the previous year. The internal cycling of N, K and Mg in new growth was significantly affected by the first-year nutrient treatments. The second-year nutrient supply affected the growth rates of the trees, but had no effect on the amounts of N, K or Mg contributed from internal cycling. Thus, internal cycling of K and Mg in Sitka spruce are, like that of N, independent of current nutrient supply.
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92
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Morrow J, Russell A, Guthrie E, Parsons L, Robertson I, Waddell R, Irwin B, McGivern RC, Morrison PJ, Craig J. Malformation risks of antiepileptic drugs in pregnancy: a prospective study from the UK Epilepsy and Pregnancy Register. J Neurol Neurosurg Psychiatry 2006; 77:193-8. [PMID: 16157661 PMCID: PMC2077578 DOI: 10.1136/jnnp.2005.074203] [Citation(s) in RCA: 492] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To assess the relative risk of major congenital malformation (MCM) from in utero exposure to antiepileptic drug (AEDs). METHODS Prospective data collected by the UK Epilepsy and Pregnancy Register were analysed. The presence of MCMs recorded within the first three months of life was the main outcome measure. RESULTS Full outcome data were collected on 3607 cases. The overall MCM rate for all AED exposed cases was 4.2% (95% confidence interval (CI), 3.6% to 5.0%). The MCM rate was higher for polytherapy (6.0%) (n = 770) than for monotherapy (3.7%) (n = 2598) (crude odds ratio (OR) = 1.63 (p = 0.010), adjusted OR = 1.83 (p = 0.002)). The MCM rate for women with epilepsy who had not taken AEDs during pregnancy (n = 239) was 3.5% (1.8% to 6.8%). The MCM rate was greater for pregnancies exposed only to valproate (6.2% (95% CI, 4.6% to 8.2%) than only to carbamazepine (2.2% (1.4% to 3.4%) (OR = 2.78 (p<0.001); adjusted OR = 2.97 (p<0.001)). There were fewer MCMs for pregnancies exposed only to lamotrigine than only to valproate. A positive dose response for MCMs was found for lamotrigine (p = 0.006). Polytherapy combinations containing valproate carried a higher risk of MCM than combinations not containing valproate (OR = 2.49 (1.31 to 4.70)). CONCLUSIONS Only 4.2% of live births to women with epilepsy had an MCM. The MCM rate for polytherapy exposure was greater than for monotherapy exposure. Polytherapy regimens containing valproate had significantly more MCMs than those not containing valproate. For monotherapy exposures, carbamazepine was associated with the lowest risk of MCM.
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93
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Singh-Grewal D, Macdessi J, Craig J. Circumcision for the prevention of urinary tract infection in boys: a systematic review of randomised trials and observational studies. Arch Dis Child 2005; 90:853-8. [PMID: 15890696 PMCID: PMC1720543 DOI: 10.1136/adc.2004.049353] [Citation(s) in RCA: 184] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To undertake a meta-analysis of published data on the effect of circumcision on the risk of urinary tract infection (UTI) in boys. DATA SOURCES Randomised controlled trials and observational studies comparing the frequency of UTI in circumcised and uncircumcised boys were identified from the Cochrane controlled trials register, MEDLINE, EMBASE, reference lists of retrieved articles, and contact with known investigators. METHODS Two of the authors independently assessed study quality using the guidelines provided by the MOOSE statement for quality of observational studies. A random effects model was used to estimate a summary odds ratio (OR) with 95% confidence intervals (CI). RESULTS Data on 402,908 children were identified from 12 studies (one randomised controlled trial, four cohort studies, and seven case-control studies). Circumcision was associated with a significantly reduced risk of UTI (OR = 0.13; 95% CI, 0.08 to 0.20; p<0.001) with the same odds ratio (0.13) for all three types of study design. CONCLUSIONS Circumcision reduces the risk of UTI. Given a risk in normal boys of about 1%, the number-needed-to-treat to prevent one UTI is 111. In boys with recurrent UTI or high grade vesicoureteric reflux, the risk of UTI recurrence is 10% and 30% and the numbers-needed-to-treat are 11 and 4, respectively. Haemorrhage and infection are the commonest complications of circumcision, occurring at rate of about 2%. Assuming equal utility of benefits and harms, net clinical benefit is likely only in boys at high risk of UTI.
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94
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Gharibo MM, Juvidian P, Patrick-Miller L, Zheng L, Craig J, Guensch L, Wojtaszek C, Poplin E. Phase II trial of imatinib mesylate in patients with metastatic unresectable pancreatic cancer. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.4183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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95
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Craig J, Wong E, Mulligan M, Gladwish A, Gaede S, Chen J. TU-FF-A1-02: Commissioning Fast Monte Carlo Dose Calculation for Lung Treatment Planning. Med Phys 2005. [DOI: 10.1118/1.1998467] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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96
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Goodman RS, Ewing J, Evans PC, Craig J, Poulton K, Dyer PA, Marcus RE, Taylor CJ. Donor CD31 genotype and its association with acute graft-versus-host disease in HLA identical sibling stem cell transplantation. Bone Marrow Transplant 2005; 36:151-6. [PMID: 15908974 DOI: 10.1038/sj.bmt.1705013] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
CD31 gene polymorphisms are implicated in the pathogenesis of graft-versus-host disease (GvHD) following haematopoietic stem cell transplantation (HST). We investigated the influence of CD31 genotype on the incidence of GvHD following HST from an human leukocyte antigen (HLA)-identical sibling donor. Donor and recipient CD31 codons 125, 563 and 670 DNA polymorphisms were determined in 85 cases of HLA identical sibling HST from two transplant centres. A correlation between CD31 genotype and acute GvHD was considered significant if observed in patients from both transplant centres independently. A strong correlation was identified between donor CD31 codon 125 genotype and the incidence of acute GvHD. Acute GvHD grades II-IV occurred in 27 of 46 (59%) recipients with a CD31 codon 125 leucine / valine heterozygous donor compared to nine of 39 (23%) recipients with a CD31 codon 125 homozygous donor (P=0.0019, relative-risk 2.45, 95% confidence interval 1.3-4.5). This correlation was significant in patients from both transplant centres (P=0.015 and P=0.019). We suggest that CD31 genotype may influence the function of donor-derived leukocytes and may be informative when there is a choice of comparable donors.
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97
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Empson M, Lassere M, Craig J, Scott J. Prevention of recurrent miscarriage for women with antiphospholipid antibody or lupus anticoagulant. Cochrane Database Syst Rev 2005; 2005:CD002859. [PMID: 15846641 PMCID: PMC6768987 DOI: 10.1002/14651858.cd002859.pub2] [Citation(s) in RCA: 198] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND A range of treatments have been proposed to improve pregnancy outcome in recurrent pregnancy loss associated with antiphospholipid antibody (APL). Small studies have not resolved uncertainty about benefits and risks. OBJECTIVES To examine outcomes of all treatments given to maintain pregnancy in women with prior miscarriage and APL. SEARCH STRATEGY We searched the Pregnancy and Childbirth Group's Trials Register (30 May 2004), the Cochrane Central Register of Controlled Trials (The Cochrane Library, Issue 2, 2003), MEDLINE (1966 to June 2003), EMBASE (1988 to June 2003), Lupus (volume one to eight, 1991 to 1999) and conference proceedings from the International Symposium on APL up to 1999. SELECTION CRITERIA Randomised or quasi-randomised, controlled trials of interventions in pregnant women with a history of pregnancy loss and APL. DATA COLLECTION AND ANALYSIS Two review authors independently assessed quality and extracted data for studies up to December 1999. One review author performed this for studies after 1999. MAIN RESULTS Thirteen studies were found (849 participants). The quality was not high; 50% had clear evidence of allocation concealment. Participant characteristics varied between trials. Unfractionated heparin combined with aspirin (two trials; n = 140) significantly reduced pregnancy loss compared to aspirin alone (relative risk (RR) 0.46, 95% confidence interval (CI) 0.29 to 0.71). Low molecular weight heparin (LMWH) combined with aspirin compared to aspirin (one trial; n = 98) did not significantly reduce pregnancy loss (RR 0.78, 95% CI 0.39 to 1.57). There was no advantage in high-dose, over low-dose, unfractionated heparin (one trial; n = 50). Three trials of aspirin alone (n = 135) showed no significant reduction in pregnancy loss (RR 1.05, 95% CI 0.66 to 1.68). Prednisone and aspirin (three trials; n = 286) resulted in a significant increase in prematurity when compared to placebo, aspirin, and heparin combined with aspirin, and an increase in gestational diabetes, but no significant benefit. Intravenous immunoglobulin +/- unfractionated heparin and aspirin (two trials; n = 58) was associated with an increased risk of pregnancy loss or premature birth when compared to unfractionated heparin or LMWH combined with aspirin (RR 2.51, 95% CI 1.27 to 4.95). When compared to prednisone and aspirin, intravenous immunoglobulin (one trial; n = 82) was not significantly different in outcomes. AUTHORS' CONCLUSIONS Combined unfractionated heparin and aspirin may reduce pregnancy loss by 54%. Large, randomised controlled trials with adequate allocation concealment are needed to explore potential differences between unfractionated heparin and LMWH.
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Craig J, Chua R, Russell C, Wootton R, Chant D, Patterson V. A cohort study of early neurological consultation by telemedicine on the care of neurological inpatients. J Neurol Neurosurg Psychiatry 2004; 75:1031-5. [PMID: 15201365 PMCID: PMC1739134 DOI: 10.1136/jnnp.2002.001651] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVES To find out the effect of early neurological consultation using a real time video link on the care of patients with neurological symptoms admitted to hospitals without neurologists on site. METHODS A cohort study was performed in two small rural hospitals: Tyrone County Hospital (TCH), Omagh, and Erne Hospital, Enniskillen. All patients over 12 years of age who had been admitted because of neurological symptoms, over a 24 week period, to either hospital were studied. Patients admitted to TCH, in addition to receiving usual care, were offered a neurological consultation with a neurologist 120 km away at the Neurology Department of the Royal Victoria Hospital, Belfast, using a real time video link. The main outcome measure was length of hospital stay; change of diagnosis, mortality at 3 months, inpatient investigation, and transfer rate and use of healthcare resources within 3 months of admission were also studied. RESULTS Hospital stay was significantly shorter for those admitted to TCH (hazard ratio 1.13; approximate 95% CI 1.003 to 1.282; p = 0.045). No patients diagnosed by the neurologist using the video link subsequently had their diagnosis changed at follow up. There was no difference in overall mortality between the groups. There were no differences in the use of inpatient hospital resources and medical services in the follow up period between TCH and Erne patients. CONCLUSIONS Early neurological assessment reduces hospital stay for patients with neurological conditions outside of neurological centres. This can be achieved safely at a distance using a real time video link.
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100
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Habashy D, Hodson E, Craig J. Interventions for idiopathic steroid-resistant nephrotic syndrome in children. Cochrane Database Syst Rev 2004:CD003594. [PMID: 15106208 DOI: 10.1002/14651858.cd003594.pub2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND The majority of children, who present with their first episode of nephrotic syndrome, achieve remission with corticosteroid therapy. Children who fail to respond to corticosteroids may be treated with immunosuppressive agents such as cyclophosphamide, chlorambucil or cyclosporin or with non-immunosuppressive agents such as ACE inhibitors. Optimal combinations of these agents with least toxicity remain to be determined. The aims of this systematic review are to assess the benefits and harms of interventions used to treat idiopathic steroid resistant nephrotic syndrome (SRNS) in children. OBJECTIVES We aimed to evaluate the benefits and harms of all interventions for children with SRNS. SEARCH STRATEGY Published and unpublished randomised controlled trials (RCTs) were identified from the Cochrane Controlled Trials Register, MEDLINE, EMBASE, reference lists of articles and abstracts from conference proceedings. SELECTION CRITERIA RCTs and quasi-RCTs were included if they compared different immunosuppressive agents or non-immunosuppressive agents with placebo, prednisone or other agent given orally or parenterally in children aged 3 months to 18 years with SRNS. DATA COLLECTION AND ANALYSIS Two reviewers independently searched the literature, determined trial eligibility, assessed quality, extracted data and entered it in RevMan. For dichotomous outcomes, results were expressed as relative risk (RR) and 95% confidence intervals (CI). Data were pooled using the random effects model. MAIN RESULTS Nine RCTs involving 225 children were included. Cyclosporin when compared with placebo or no treatment significantly increased the number of children who achieved complete remission (three trials, 49 children: RR for persistent nephrotic syndrome 0.64, 95% CI, 0.47 to 0.88). There was no significant difference in the number of children who achieved complete remission between oral cyclophosphamide with prednisone and prednisone alone (two trials, 91 children: RR 1.01, 95% CI 0.74 to 1.36), between intravenous cyclophosphamide and oral cyclophosphamide (one study, 11 children: RR 0.09, 95% CI 0.01 to 1.39) and between azathioprine with prednisone and prednisone alone (one trial 31 children: RR 1.01, 95% CI 0.77 to 1.32). No RCTs were identified comparing combination regimens comprising high dose steroids, alkylating agents or cyclosporin with single agents, placebo or no treatment. REVIEWERS' CONCLUSIONS Further adequately powered and well designed RCTs are needed to confirm the efficacy of cyclosporin and to evaluate other regimens for idiopathic SRNS including high dose steroids with alkylating agents or cyclosporin.
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