J G Ray

Summary

Affiliation: McMaster University
Country: Canada

Publications

  1. ncbi Anticonvulsant drug use and low bone mass in adults with neurodevelopmental disorders
    J G Ray
    Sunnybrook and Women s College Health Science Centre, Toronto, Canada
    QJM 95:219-23. 2002
  2. ncbi Declining rate of folate insufficiency among adults following increased folic acid food fortification in Canada
    J G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, ON
    Can J Public Health 93:249-53. 2002
  3. ncbi Evidence in upheaval: incorporating observational data into clinical practice
    Joel G Ray
    Arch Intern Med 162:249-54. 2002
  4. pmc Use of a rapid arterial blood gas analyzer to estimate blood hemoglobin concentration among critically ill adults
    Joel G Ray
    Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
    Crit Care 6:72-5. 2002
  5. ncbi Antipsychotic and antidepressant drug use in the elderly and the risk of venous thromboembolism
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario
    Thromb Haemost 88:205-9. 2002
  6. ncbi Common C677T polymorphism of the methylenetetrahydrofolate reductase gene and the risk of venous thromboembolism: meta-analysis of 31 studies
    J G Ray
    Department of Medicine, Women s College Campus, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ont, Canada
    Pathophysiol Haemost Thromb 32:51-8. 2002
  7. ncbi Why might statins prevent venous thromboembolism: what needs to be done to know more?
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Expert Opin Investig Drugs 11:1659-68. 2002
  8. pmc Increased blood product use among coronary artery bypass patients prescribed preoperative aspirin and clopidogrel
    Joel G Ray
    Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
    BMC Cardiovasc Disord 3:3. 2003
  9. ncbi Dyslipidemia, statins, and venous thromboembolism: a potential risk factor and a potential treatment
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Curr Opin Pulm Med 9:378-84. 2003
  10. ncbi Association between folic acid food fortification and hypertension or preeclampsia in pregnancy
    Joel G Ray
    Toronto, Ontario
    Arch Intern Med 162:1776-7. 2002

Detail Information

Publications82

  1. ncbi Anticonvulsant drug use and low bone mass in adults with neurodevelopmental disorders
    J G Ray
    Sunnybrook and Women s College Health Science Centre, Toronto, Canada
    QJM 95:219-23. 2002
    ..Use of anticonvulsant drugs among adults with neurodevelopmental disorders may be an important risk factor for both osteoporosis and skeletal fractures...
  2. ncbi Declining rate of folate insufficiency among adults following increased folic acid food fortification in Canada
    J G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, ON
    Can J Public Health 93:249-53. 2002
    ..We investigated whether the rate of folate and vitamin B12 insufficiency among adults has changed since this mandatory fortification program was implemented...
  3. ncbi Evidence in upheaval: incorporating observational data into clinical practice
    Joel G Ray
    Arch Intern Med 162:249-54. 2002
  4. pmc Use of a rapid arterial blood gas analyzer to estimate blood hemoglobin concentration among critically ill adults
    Joel G Ray
    Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
    Crit Care 6:72-5. 2002
    ..To evaluate whether measurement of the hemoglobin (Hb) concentration with a blood gas analyzer approximates that determined by a conventional coulter counter in critically ill adults...
  5. ncbi Antipsychotic and antidepressant drug use in the elderly and the risk of venous thromboembolism
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario
    Thromb Haemost 88:205-9. 2002
    ..Preliminary evidence suggests that use of antipsychotic drugs is associated with an increased risk of venous thromboembolism...
  6. ncbi Common C677T polymorphism of the methylenetetrahydrofolate reductase gene and the risk of venous thromboembolism: meta-analysis of 31 studies
    J G Ray
    Department of Medicine, Women s College Campus, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ont, Canada
    Pathophysiol Haemost Thromb 32:51-8. 2002
    ..We conducted a meta-analysis of previously published studies to clarify the role of the MTHFR 677 TT homozygous genotype in association with VTE...
  7. ncbi Why might statins prevent venous thromboembolism: what needs to be done to know more?
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Expert Opin Investig Drugs 11:1659-68. 2002
    ..The current review outlines the cumulative evidence from both the basic and epidemiologic sciences for why this might be so and offers some directions for future research...
  8. pmc Increased blood product use among coronary artery bypass patients prescribed preoperative aspirin and clopidogrel
    Joel G Ray
    Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Canada
    BMC Cardiovasc Disord 3:3. 2003
    ..We evaluated the associated risk between the combined use of aspirin and clopidogrel and the transfusion of blood products perioperatively...
  9. ncbi Dyslipidemia, statins, and venous thromboembolism: a potential risk factor and a potential treatment
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Curr Opin Pulm Med 9:378-84. 2003
    ..Until then, the efficacy of statins for the prevention or treatment of venous thromboembolism remains uncertain...
  10. ncbi Association between folic acid food fortification and hypertension or preeclampsia in pregnancy
    Joel G Ray
    Toronto, Ontario
    Arch Intern Med 162:1776-7. 2002
  11. ncbi Preconception care and the risk of congenital anomalies in the offspring of women with diabetes mellitus: a meta-analysis
    J G Ray
    Division of Obstetrical Medicine, Department of Medicine, Women s College Campus, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    QJM 94:435-44. 2001
    ....
  12. ncbi MOS HIP: McMaster outcome study of hypertension in pregnancy
    J G Ray
    Department of Medicine, McMaster University, Hamilton, Ontario, Canada
    Early Hum Dev 64:129-43. 2001
    ..The risk of developing these outcomes among women with either preeclampsia or chronic hypertension, relative to those with gestational hypertension, is not known...
  13. ncbi Paroxysmal nocturnal hemoglobinuria and the risk of venous thrombosis: review and recommendations for management of the pregnant and nonpregnant patient
    J G Ray
    Department of Medicine, and Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Canada
    Haemostasis 30:103-17. 2000
    ....
  14. ncbi Use of statins and the subsequent development of deep vein thrombosis
    J G Ray
    Department of Medicine, Institute for Clinical Evaluative Sciences, University of Toronto, Ontario
    Arch Intern Med 161:1405-10. 2001
    ..Some of the benefit of statins for the prevention of cardiovascular disease may be due to their antithrombotic properties. Little is known about the effect of these drugs on the development of deep vein thrombosis...
  15. ncbi Deep vein thrombosis and its prevention in critically ill adults
    J Attia
    Department of Medicine, McMaster University, Hamilton, Ontario, Canada
    Arch Intern Med 161:1268-79. 2001
    ..More potent prophylactic regimens other than unfractionated or low-molecular-weight heparins alone may be needed with higher-risk groups...
  16. ncbi Persistence of vitamin B12 insufficiency among elderly women after folic acid food fortification
    J G Ray
    Department of Medicine, Sunnybrook and Women s College Health Science Centre, Toronto, Ontario, Canada
    Clin Biochem 36:387-91. 2003
    ..To estimate the associated risk of folate and vitamin B12 (B12) insufficiency, as well as vitamin repletion, following folic acid food fortification...
  17. doi High rate of maternal vitamin B12 deficiency nearly a decade after Canadian folic acid flour fortification
    J G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, Canada
    QJM 101:475-7. 2008
    ..4 (1.1-1.8) after 28 days gestation. About 1 in 20 women may be deficient in B12 in early pregnancy. The impact on maternal and fetal well-being, including preventable NTD, should be considered...
  18. doi Myocardial infarction associated with recency of immigration to Ontario
    G Saposnik
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    QJM 103:253-8. 2010
    ..OBJECTIve: To determine the risk of AMI among new immigrants compared to long-term residents, and, among those who develop AMI, their short- and long-term mortality rate...
  19. ncbi Maternal and newborn outcomes among women with schizophrenia: a retrospective population-based cohort study
    S N Vigod
    Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada Women s College Research Institute, University of Toronto, Toronto, Ontario, Canada Institute for Clinical and Evaluative Sciences, Toronto, Ontario, Canada
    BJOG 121:566-74. 2014
    ..We aimed to quantify maternal and newborn health outcomes among women with schizophrenia...
  20. ncbi Maternal and neonatal outcomes in pregestational and gestational diabetes mellitus, and the influence of maternal obesity and weight gain: the DEPOSIT study. Diabetes Endocrine Pregnancy Outcome Study in Toronto
    J G Ray
    Department of Medicine, University of Toronto, Canada
    QJM 94:347-56. 2001
    ....
  21. doi Risk of premature stroke in recent immigrants (PRESARIO): population-based matched cohort study
    G Saposnik
    Division of Neurology, Department of Medicine, St Michael s Hospital, University of Toronto, 55 Queen St E, Toronto, Ontario, M5C 1R6, Canada
    Neurology 74:451-7. 2010
    ..We determined the risk of acute stroke associated with recency of immigration...
  22. ncbi Platelet count may predict abnormal bleeding time among pregnant women with hypertension and preeclampsia
    R J McDonagh
    Department of Obstetrics and Gynecology, St Joseph s Hospital and McMaster University, Hamilton, Ontario, Canada
    Can J Anaesth 48:563-9. 2001
    ..Many rely on the bleeding time (BT) in making this determination. We examined whether the platelet count can adequately predict BT among a group of hypertensive parturients...
  23. doi Risk of stillbirth at extremes of birth weight between 20 to 41 weeks gestation
    J G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    J Perinatol 32:829-36. 2012
    ..To determine the risk of stillbirth between 20 to 41 weeks gestation, at highly detailed weight percentiles, including extreme degrees of small (SGA) and large (LGA) for gestational age birth weight...
  24. ncbi Folic acid and homocyst(e)ine metabolic defects and the risk of placental abruption, pre-eclampsia and spontaneous pregnancy loss: A systematic review
    J G Ray
    Obstetrical Medicine Programme, Department of Medicine, University of Toronto, Ontario
    Placenta 20:519-29. 1999
    ....
  25. ncbi Association between Bell's palsy in pregnancy and pre-eclampsia
    D Shmorgun
    Department of Medicine, Sunnybrook and Women s College Health Science Centre, Toronto, Ontario, Canada
    QJM 95:359-62. 2002
    ..Study design: Case series study of consecutive female patients...
  26. doi Sex-specific basis of severe placental dysfunction leading to extreme preterm delivery
    M G Walker
    Department of Obstetrics and Gynecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
    Placenta 33:568-71. 2012
    ....
  27. ncbi Risk of congenital anomalies detected during antenatal serum screening in women with pregestational diabetes
    J G Ray
    Department of Medicine, Inner City Health Research Unit, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
    QJM 97:651-3. 2004
    ..Most studies comparing women with and without pregestational diabetes mellitus have not systematically screened for fetal anomalies in early pregnancy, potentially leading to selection bias...
  28. ncbi Survey of cardiac surgeons' perceptions of the addition of ASA to warfarin for patients with mechanical heart valves
    J G Ray
    Department of Medicine, McMaster University, Hamilton, Ontario
    Can J Cardiol 13:1162-5. 1997
    ..Most surgeons avoid ASA out of concern for the increased risk of hemorrhage and a belief that there is no benefit. These perceptions are not supported by recent scientific data, however...
  29. ncbi Brief overview of maternal triglycerides as a risk factor for pre-eclampsia
    J G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    BJOG 113:379-86. 2006
    ..Features of the metabolic syndrome-maternal obesity, diabetes mellitus and chronic hypertension-are risk factors for pre-eclampsia...
  30. ncbi Venous thromboembolism in association with features of the metabolic syndrome
    J G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Ontario M5B 1W8, Canada
    QJM 100:679-84. 2007
    ..However, whether each of these factors additively increases the risk of VTE is uncertain...
  31. ncbi Do we care if statins prevent venous thromboembolism?
    J G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, ON, Canada
    J Thromb Haemost 2:695-6. 2004
  32. ncbi Suspected pulmonary embolism in pregnancy: clinical presentation, results of lung scanning, and subsequent maternal and pediatric outcomes
    W S Chan
    Department of Medicine, Women s College Campus, Sunnybrook and Women s College Health Sciences Centre, 76 Grenville St, Toronto, Ontario, Canada M5S 1B2
    Arch Intern Med 162:1170-5. 2002
    ..Ventilation-perfusion (VQ) scanning is used when pulmonary embolism (PE) is suspected during pregnancy; however, the distribution of lung scan results and safety of VQ scanning have never been studied...
  33. ncbi Vitamin B12 insufficiency and the risk of fetal neural tube defects
    J G Ray
    Division of Obstetrical Medicine, Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Toronto, Ontario, Canada
    QJM 96:289-95. 2003
    ..Although maternal folate insufficiency is a risk factor for fetal neural tube defects (NTDs), there is controversy about whether vitamin B12 (B12) insufficiency is also associated with an increased risk of NTDs...
  34. ncbi Estimating gestational age at birth: a population-based derivation-validation study
    M L Urquia
    Centre for Research on Inner City Health, The Keenan Research Centre of the Li Ka Shing Knowledge Institute, St Michael s Hospital, Toronto, Ontario, Canada
    Chronic Dis Inj Can 31:103-8. 2011
    ..We developed and validated a GA prediction model for singleton births for use in epidemiological studies...
  35. ncbi Pilot study of the accuracy of bedside glucometry in the intensive care unit
    J G Ray
    Division of Critical Care, Department of Medicine, McMaster University, Hamilton, Ontario, Canada
    Crit Care Med 29:2205-7. 2001
    ....
  36. pmc Sample size estimation for the sorcerer's apprentice. Guide for the uninitiated and intimidated
    J G Ray
    Department of Medicine, Women s College Hospital, Ont
    Can Fam Physician 45:1732-9. 1999
    ..To review the importance of and practical application of sample size determination for clinical studies in the primary care setting...
  37. ncbi Dose-reducing H2 receptor antagonists in the presence of low glomerular filtration rate: a systematic review of the evidence
    J Manlucu
    Division of Nephrology, University of Western Ontario, London, Ontario, Canada
    Nephrol Dial Transplant 20:2376-84. 2005
    ..While it is recommended that H2 receptor antagonists (H2RAs) be dose reduced in the presence of low glomerular filtration rate (GFR), in practice such adjustments often do not occur. We reviewed the evidence for this recommendation...
  38. ncbi Vitamin B12 and the risk of neural tube defects in a folic-acid-fortified population
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Epidemiology 18:362-6. 2007
    ..Prior studies used relatively insensitive measures of B(12), did not adjust for folate levels, and were conducted in countries without folic acid food fortification. In Canada, flour has been fortified with folic acid since mid-1997...
  39. pmc Vitamin B12 and homocysteine
    Joel G Ray
    CMAJ 173:1359-60. 2005
  40. ncbi Prevalence of trisomy 21 following folic acid food fortification
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, University of Toronto, Ontario, Canada
    Am J Med Genet A 120:309-13. 2003
    ..24). In conclusion, we failed to observe a decline in the occurrence of trisomy 21 following folic acid food fortification...
  41. ncbi Efficacy of Canadian folic acid food fortification
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Food Nutr Bull 29:S225-30. 2008
    ..The current paper describes how this took place, and the epidemiological effects that occurred in the Canadian population, including higher blood folate levels and a decline in the prevalence of neural tube defects...
  42. ncbi Homocysteine-lowering therapy and risk for venous thromboembolism: a randomized trial
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Ann Intern Med 146:761-7. 2007
    ..Elevated total homocysteine levels are associated with a higher risk for venous thromboembolism. Whether decreasing homocysteine levels with vitamin therapy reduces the risk for venous thromboembolism is not known...
  43. ncbi Increased red cell folate concentrations in women of reproductive age after Canadian folic acid food fortification
    Joel G Ray
    Epidemiology 13:238-40. 2002
  44. ncbi Association of neural tube defects and folic acid food fortification in Canada
    Joel G Ray
    Department of Medicine, Sunnybrook and Women s College Health Sciences Center, Toronto, Ontario, Canada
    Lancet 360:2047-8. 2002
    ..58 per 1000 pregnancies thereafter (prevalence ratio 0.52, 95% CI 0.40-0.67, p<0.0001). At a population level, folic acid food fortification is associated with a pronounced reduction in open neural tube defects...
  45. doi Retinal vein occlusion and traditional risk factors for atherosclerosis
    Paul R A O'Mahoney
    School of Medicine, Royal College of Surgeons in Ireland, Dublin
    Arch Ophthalmol 126:692-9. 2008
    ..To determine whether retinal vein occlusion (RVO) is related to systemic hypertension, diabetes mellitus, and hyperlipidemia...
  46. ncbi Randomized clinical trial of homocysteine level lowering therapy and fractures
    Anna M Sawka
    Toronto General Hospital, 200 Elizabeth St, 12 212 Eaton North, Toronto, Ontario M5G 2C4, Canada
    Arch Intern Med 167:2136-9. 2007
  47. pmc Taking ACE inhibitors during early pregnancy: is it safe?
    Joel G Ray
    Department of Medicine, University of Toronto, Toronto, Canada
    Can Fam Physician 53:1439-40. 2007
    ..We believe this study had serious limitations that preclude drawing any conclusions at present...
  48. ncbi Maternal body mass index and the risk of preeclampsia: a systematic overview
    Tara E O'Brien
    Division of Obstetrical Medicine, Department of Medicine, Sunnybrook and Women s College Health Sciences Centre, Toronto, Ontario, Canada
    Epidemiology 14:368-74. 2003
    ..We performed a systematic overview of the literature to determine the association between prepregnancy body mass index and the risk of preeclampsia...
  49. ncbi Folic acid food fortification in Canada
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
    Nutr Rev 62:S35-9. 2004
    ..The current report outlines some of the changes to the health status of Canadians in relation to its folic acid food fortification initiative...
  50. ncbi Prevention of venous thromboembolism: the Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy
    William H Geerts
    Thromboembolism Program, Sunnybrook and Women s College Health Sciences Centre, Room D674, 2075 Bayview Ave, Toronto, ON, Canada M4N 3M5
    Chest 126:338S-400S. 2004
    ..We recommend, on admission to the intensive care unit, all patients be assessed for their risk of VTE. Accordingly, most patients should receive thromboprophylaxis (Grade 1A)...
  51. ncbi Antifibrinolytics may be cost saving among recent recipients of combined acetylsalicylic acid and clopidogrel who undergo coronary artery bypass graft surgery
    Joel G Ray
    Can J Cardiol 20:829-30. 2004
  52. ncbi Statin use and survival outcomes in elderly patients with heart failure
    Joel G Ray
    Department of Medicine, St Michaels Hospital, University of Toronto, Ontario M5B 1W8, Canada
    Arch Intern Med 165:62-7. 2005
    ..Coronary artery disease is a leading cause of heart failure. Statins are efficacious drugs for the primary and secondary prevention of coronary heart disease, but their value in persons with heart failure remains unknown...
  53. ncbi Greater maternal weight and the ongoing risk of neural tube defects after folic acid flour fortification
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario M5B 1W8, Canada
    Obstet Gynecol 105:261-5. 2005
    ..Because overweight women may consume greater quantities of refined wheat flour, we questioned whether their risk of NTD changed after flour fortification...
  54. ncbi Folic acid food fortification is associated with a decline in neuroblastoma
    Amy E French
    Motherrisk Program and Division of Hematology and Oncology, The Hospital for Sick Children, and Department of Medicine and Prehospital Care Programme, Sunnybrook and Women s College Health Sciences Center, University of Toronto, Ontario, Canada
    Clin Pharmacol Ther 74:288-94. 2003
    ..In January 1997, Canada began fortifying flour with folic acid for the prevention of neural tube defects. The effect of folic acid fortification on the rate of neuroblastoma in offspring is not known...
  55. ncbi Association between folic acid food fortification and congenital orofacial clefts
    Joel G Ray
    Department of Laboratory Medicine, University of Toronto, Toronto, Ontario, Canada
    J Pediatr 143:805-7. 2003
    ..15 per 1000) to after (1.21 per 1000) food fortification (prevalence ratio, 1.06; 95% confidence interval, 0.86-1.30)...
  56. pmc Cobalamin deficiency in elderly patients
    Joel G Ray
    CMAJ 172:448-50; author reply 451. 2005
  57. ncbi Absence of effect of folic acid flour fortification on anticonvulsant drug levels
    Joel G Ray
    Am J Med 118:444-5. 2005
  58. pmc Statins and the risk of idiopathic venous thromboembolism
    Joel G Ray
    Br J Clin Pharmacol 56:460; author reply 461-2. 2003
  59. ncbi Folic acid and placental pathology
    Sarah D McDonald
    Epidemiology 16:419-20. 2005
  60. doi Acanthosis nigricans among women with gestational diabetes mellitus and risk of adverse pregnancy outcomes
    Julie Daitchman
    Diabetes Care 31:e30. 2008
  61. pmc Maternal ethnicity and risk of neural tube defects: a population-based study
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario M5B 1WB, Canada
    CMAJ 171:343-5. 2004
    ..Maternal body mass and the presence of diabetes mellitus are probable risk factors for neural tube defects (NTDs). The association between maternal ethnicity and the risk of NTDs remains poorly understood, however...
  62. ncbi Evidence for suboptimal use of periconceptional folic acid supplements globally
    Joel G Ray
    Inner City Health Programme, Department of Medicine, St Michael s Hospital, University of Toronto, Ontario, Canada
    BJOG 111:399-408. 2004
    ....
  63. pmc Alcohol sales and risk of serious assault
    Joel G Ray
    Department of Medicine, University of Toronto, Toronto, Ontario, Canada
    PLoS Med 5:e104. 2008
    ..We assessed the risk of being hospitalized due to assault in association with retail alcohol sales across Ontario...
  64. ncbi Estimating the prevalence of renal insufficiency in seniors requiring long-term care
    Amit X Garg
    Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
    Kidney Int 65:649-53. 2004
    ..The objective of this study was to estimate the prevalence of low glomerular filtration rate (GFR) in a large sample of elderly adults living in long-term care facilities, and to compare two commonly used methods for estimating GFR...
  65. ncbi Trends in obesity in pregnancy
    Joel G Ray
    Epidemiology 18:280-1. 2007
  66. doi Hyperhomocysteinemia: no longer a consideration in the management of venous thromboembolism
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Canada
    Curr Opin Pulm Med 14:369-73. 2008
    ..To determine whether clinicians should continue to screen for or treat hyperhomocysteinemia among individuals with venous thromboembolism...
  67. pmc Metabolic syndrome features and risk of neural tube defects
    Joel G Ray
    Department of Medicine, St, Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, M5B 1W8, Canada
    BMC Pregnancy Childbirth 7:21. 2007
    ..Whether they, in combination with additional features of MetSyn, alter this risk is not known. We evaluated the risk of NTD in association with maternal features of the MetSyn...
  68. ncbi Cardiovascular health after maternal placental syndromes (CHAMPS): population-based retrospective cohort study
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ontario M5B 1W8, Canada
    Lancet 366:1797-803. 2005
    ..Our aim was to assess the risk of premature vascular disease in women who had had a pregnancy affected by maternal placental syndromes...
  69. ncbi Prevention of venous thromboembolism
    William Geerts
    Chest 128:3775-6. 2005
  70. ncbi Prophylaxis for the thromboembolic disease--recommendations from the American College of Chest Physicians--are they appropriate for orthopaedic surgery?
    Clifford W Colwell
    J Arthroplasty 21:148-9; author reply 149. 2006
  71. ncbi Metabolic syndrome and the risk of placental dysfunction
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, ON
    J Obstet Gynaecol Can 27:1095-101. 2005
    ..However, the relationship between the metabolic syndrome and the future risk of PD or fetal demise is unknown...
  72. ncbi Primary and secondary prevention of heart failure with statins
    Jacob A Udell
    University of British Columbia, Department of Medicine, Vancouver Hospital and Health Sciences Centre, 2775 Laurel Street, Vancouver, British Columbia, V5Z 1M9, Canada
    Expert Rev Cardiovasc Ther 4:917-26. 2006
    ....
  73. pmc Sale of kava extract in some health food stores
    Edward Mills
    CMAJ 169:1158-9. 2003
    ..Two months after the ban, 17 (57%) of 30 stores continued to sell kava. These findings demonstrate that health food stores may need to be better informed about the sale of restricted natural health products...
  74. ncbi Use of maternal GHb concentration to estimate the risk of congenital anomalies in the offspring of women with prepregnancy diabetes
    Andrea Guerin
    Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Diabetes Care 30:1920-5. 2007
    ..We sought to determine the absolute risk of having a congenital anomaly in relation to periconceptional GHb concentration among women with prepregnancy diabetes...
  75. pmc Results of the Recent Immigrant Pregnancy and Perinatal Long-term Evaluation Study (RIPPLES)
    Joel G Ray
    Department of Medicine, St Michael s Hospital, University of Toronto, Toronto, Ont
    CMAJ 176:1419-26. 2007
    ..We tested whether the "healthy immigrant effect" extends to the risk of placental dysfunction during the short interval of pregnancy...
  76. ncbi Lipid-lowering therapy and outcomes in heart failure
    Joel G Ray
    Department of Medicine, Divisions of General Internal Medicine and Endocrinology and Metabolism, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, Canada
    J Cardiovasc Pharmacol Ther 12:27-35. 2007
    ..More data are needed before statins can be recommended in those with isolated heart failure...
  77. ncbi Prepregnancy diabetes and risk of placental vascular disease
    Taryn Becker
    Division of Endocrinology and Metabolism, University of Toronto, Toronto, Ontario, Canada
    Diabetes Care 30:2496-8. 2007
  78. pmc Adverse perinatal outcomes associated with homelessness and substance use in pregnancy
    Merry Little
    Department of Obstetrics and Gynecology, St Michael s Hospital, University of Toronto, Toronto, Ont
    CMAJ 173:615-8. 2005
    ..We undertook a study to provide preliminary estimates of the risk of adverse perinatal outcomes among Canadian women who are homeless or marginally housed during pregnancy, and the effect of concomitant substance use...
  79. pmc Breast size and risk of type 2 diabetes mellitus
    Joel G Ray
    Departments of Medicine, and the Li Ka Shing Knowledge Institute, St Michael s Hospital, University of Toronto, Toronto, Ont
    CMAJ 178:289-95. 2008
    ..We sought to evaluate whether a woman's breast size in late adolescence is associated with an increased risk of type 2 diabetes mellitus in adulthood...