Postmenopausal estrogen replacement therapy and increased rates of cholecystectomy and appendectomy.

PubWeight™: 1.25‹?› | Rank: Top 10%

🔗 View Article (PMC 1232454)

Published in CMAJ on May 16, 2000

Authors

M M Mamdani1, K Tu, C van Walraven, P C Austin, C D Naylor

Author Affiliations

1: Institute for Clinical Evaluative Sciences, Toronto, Ont.

Articles cited by this

Randomized trial of estrogen plus progestin for secondary prevention of coronary heart disease in postmenopausal women. Heart and Estrogen/progestin Replacement Study (HERS) Research Group. JAMA (1998) 24.54

Prior to use of estrogen replacement therapy, are users healthier than nonusers? Am J Epidemiol (1996) 3.18

Drug induced acute pancreatitis: incidence and severity. Gut (1995) 2.35

Effect of postmenopausal hormones on inflammation-sensitive proteins: the Postmenopausal Estrogen/Progestin Interventions (PEPI) Study. Circulation (1999) 2.31

Menopause, postmenopausal estrogen preparations, and the risk of adult-onset asthma. A prospective cohort study. Am J Respir Crit Care Med (1995) 2.00

Hormone replacement therapy and increased plasma concentration of C-reactive protein. Circulation (1999) 1.96

Postmenopausal estrogen replacement therapy and the risk of developing systemic lupus erythematosus or discoid lupus. J Rheumatol (1998) 1.66

A prospective study of coffee consumption and the risk of symptomatic gallstone disease in men. JAMA (1999) 1.51

Sex differences in the antagonism of swim stress-induced analgesia: effects of gonadectomy and estrogen replacement. Pain (1993) 1.38

Use of exogenous hormones and risk of temporomandibular disorder pain. Pain (1997) 1.35

Opioid antinociception in ovariectomized monkeys: comparison with antinociception in males and effects of estradiol replacement. J Pharmacol Exp Ther (1999) 1.11

Postmenopausal hormone use and cholecystectomy in a large prospective study. Obstet Gynecol (1994) 1.06

Hormone replacement therapy, inflammation, and hemostasis in elderly women. Arterioscler Thromb Vasc Biol (1999) 1.04

Estrogen predisposes to cholecystectomy but not to stones. Gastroenterology (1982) 1.01

Prevalence and associated factors for gallstone disease: results of a population survey in Spain. J Clin Epidemiol (1997) 0.99

Pre-existing risk factor profiles in users and non-users of hormone replacement therapy: prospective cohort study in Gothenburg, Sweden. BMJ (1999) 0.96

Hormone replacement therapy, other reproductive variables and symptomatic hip osteoarthritis in elderly white women: a case-control study. Br J Rheumatol (1998) 0.91

17beta-estradiol stimulates substance P receptor gene expression. Mol Cell Endocrinol (1997) 0.89

Oral estrogen replacement and abdominal pain. A report of two cases. J Reprod Med (1984) 0.81

Articles by these authors

Effects of socioeconomic status on access to invasive cardiac procedures and on mortality after acute myocardial infarction. N Engl J Med (1999) 7.68

Use of medical resources and quality of life after acute myocardial infarction in Canada and the United States. N Engl J Med (1994) 6.78

Users' guides to the medical literature: XXII: how to use articles about clinical decision rules. Evidence-Based Medicine Working Group. JAMA (2000) 5.94

Users' Guides to the Medical Literature: XXV. Evidence-based medicine: principles for applying the Users' Guides to patient care. Evidence-Based Medicine Working Group. JAMA (2000) 5.91

Users' guides to the medical literature. XII. How to use articles about health-related quality of life. Evidence-Based Medicine Working Group. JAMA (1997) 5.07

Incorporating variations in the quality of individual randomized trials into meta-analysis. J Clin Epidemiol (1992) 4.86

Use of cardiac procedures and outcomes in elderly patients with myocardial infarction in the United States and Canada. N Engl J Med (1997) 4.84

How should health status measures be assessed? Cautionary notes on procrustean frameworks. J Clin Epidemiol (1992) 4.54

Meta-analysis and the meta-epidemiology of clinical research. BMJ (1997) 4.07

Do we know what inappropriate laboratory utilization is? A systematic review of laboratory clinical audits. JAMA (1998) 3.96

Cost effectiveness of thrombolytic therapy with tissue plasminogen activator as compared with streptokinase for acute myocardial infarction. N Engl J Med (1995) 3.69

Effect of alpha-interferon treatment in patients with hepatitis B e antigen-positive chronic hepatitis B. A meta-analysis. Ann Intern Med (1993) 3.53

Development and validation of the Ontario acute myocardial infarction mortality prediction rules. J Am Coll Cardiol (2001) 3.39

Communicating the benefits of chronic preventive therapy: does the format of efficacy data determine patients' acceptance of treatment? Med Decis Making (1995) 3.21

Impact of increasing carbohydrate intolerance on maternal-fetal outcomes in 3637 women without gestational diabetes. The Toronto Tri-Hospital Gestational Diabetes Project. Am J Obstet Gynecol (1995) 3.05

Multicenter validation of a risk index for mortality, intensive care unit stay, and overall hospital length of stay after cardiac surgery. Steering Committee of the Provincial Adult Cardiac Care Network of Ontario. Circulation (1995) 3.02

Variation in breast cancer surgery in Ontario. CMAJ (1994) 2.70

Ready-made, recalibrated, or Remodeled? Issues in the use of risk indexes for assessing mortality after coronary artery bypass graft surgery. Circulation (1999) 2.67

Comparison of an aggressive (U.S.) and a less aggressive (Canadian) policy for cholesterol screening and treatment. Ann Intern Med (1991) 2.61

Relationship between annual volume of patients treated by admitting physician and mortality after acute myocardial infarction. JAMA (2001) 2.50

Multicentre trial to introduce the Ottawa ankle rules for use of radiography in acute ankle injuries. Multicentre Ankle Rule Study Group. BMJ (1995) 2.50

Time to treatment with thrombolytic therapy: determinants and effect on short-term nonfatal outcomes of acute myocardial infarction. Canadian GUSTO Investigators. Global Utilization of Streptokinase and + PA for Occluded Coronary Arteries. CMAJ (1997) 2.46

Reflections on a month in the life of the Ontario Drug Benefit Plan. CMAJ (1994) 2.20

An introduction to multilevel regression models. Can J Public Health (2001) 2.11

Characteristics and mortality outcomes of thrombolysis trial participants and nonparticipants: a population-based comparison. J Am Coll Cardiol (1996) 2.09

Temporal changes in the outcomes of acute myocardial infarction in Ontario, 1992-1996. CMAJ (1999) 2.04

The influence of surgical specialty training on the outcomes of elective abdominal aortic aneurysm surgery. J Vasc Surg (2001) 2.03

Transition of care for hospitalized elderly patients--development of a discharge checklist for hospitalists. J Hosp Med (2006) 1.98

What is appropriate care? N Engl J Med (1998) 1.97

Diagnostic accuracy and short-term surgical outcomes in cases of suspected acute appendicitis. CMAJ (1995) 1.91

Analysis of deaths while waiting for cardiac surgery among 29,293 consecutive patients in Ontario, Canada. The Steering Committee of the Cardiac Care Network of Ontario. Heart (1998) 1.91

Coronary artery bypass graft surgery in Ontario and New York State: which rate is right? Steering Committee of the Cardiac Care Network of Ontario. Ann Intern Med (1997) 1.89

Accuracy of coding for possible warfarin complications in hospital discharge abstracts. Thromb Res (2005) 1.87

False-positive coding for acute myocardial infarction on hospital discharge records: chart audit results from a tertiary centre. Can J Cardiol (1990) 1.87

The medical review article revisited: has the science improved? Ann Intern Med (1999) 1.84

Fairness in the coronary angiography queue. CMAJ (1999) 1.83

Long-term MI outcomes at hospitals with or without on-site revascularization. JAMA (2001) 1.66

A survey of provider experiences and perceptions of preferential access to cardiovascular care in Ontario, Canada. Ann Intern Med (1998) 1.66

Impact of Clostridium difficile colitis on 5-year health outcomes in patients with ulcerative colitis. Aliment Pharmacol Ther (2012) 1.64

Use of antidepressants among elderly subjects: trends and contributing factors. Am J Psychiatry (2000) 1.63

Coronary artery bypass mortality rates in Ontario. A Canadian approach to quality assurance in cardiac surgery. Steering Committee of the Provincial Adult Cardiac Care Network of Ontario. Circulation (1996) 1.61

Appropriateness of primary total hip and knee replacements in regions of Ontario with high and low utilization rates. CMAJ (1996) 1.56

Incidence of diabetes among postmenopausal breast cancer survivors. Diabetologia (2012) 1.55

Use of vitamin B12 injections among elderly patients by primary care practitioners in Ontario. CMAJ (1999) 1.54

The burden of waiting for hip and knee replacements in Ontario. Ontario Hip and Knee Replacement Project Team. J Eval Clin Pract (1997) 1.53

Potential cost effectiveness of intravenous tissue plasminogen activator versus streptokinase for acute myocardial infarction. Can J Cardiol (1992) 1.52

An hypothesis paper on practice environment and the provision of health care: could hospital occupancy rates effect quality? J Qual Clin Pract (2001) 1.50

Analysis of simulated NMR order parameters for lipid bilayer structure determination. Biophys J (1999) 1.49

Dealing with missing data in observational health care outcome analyses. J Clin Epidemiol (2000) 1.49

Identifying cases of congestive heart failure from administrative data: a validation study using primary care patient records. Chronic Dis Inj Can (2013) 1.47

Rate of stroke recurrence in patients with primary intracerebral hemorrhage. Stroke (2000) 1.44

Sex differences and similarities in the management and outcome of stroke patients. Stroke (2000) 1.42

The relationship between cardiac functional capacity and patients' symptom-specific utilities for angina: some findings and methodologic lessons. Med Decis Making (1996) 1.41

Trends in clinical and economic outcomes of coronary angioplasty from 1992 to 1995: a population-based analysis. Am Heart J (1999) 1.39

Assessing the outcomes of coronary artery bypass graft surgery: how many risk factors are enough? Steering Committee of the Cardiac Care Network of Ontario. J Am Coll Cardiol (1997) 1.39

In the queue for total joint replacement: patients' perspectives on waiting times. Ontario Hip and Knee Replacement Project Team. J Eval Clin Pract (1998) 1.37

Real-time polymerase chain reaction detection of methicillin-resistant Staphylococcus aureus: impact on nosocomial transmission and costs. Infect Control Hosp Epidemiol (2007) 1.35

Comparison of the appropriateness of coronary angiography and coronary artery bypass graft surgery between Canada and New York State. JAMA (1994) 1.35

Biology or bias: practice patterns and long-term outcomes for men and women with acute myocardial infarction. J Am Coll Cardiol (2002) 1.35

Health services research: reporting on studies using secondary data sources. CMAJ (1996) 1.35

Fifteen-year trends in risk severity and operative mortality in elderly patients undergoing coronary artery bypass graft surgery. Circulation (1998) 1.32

No impact from active dissemination of the Ottawa Ankle Rules: further evidence of the need for local implementation of practice guidelines. CMAJ (1999) 1.30

A comparison of a Bayesian vs. a frequentist method for profiling hospital performance. J Eval Clin Pract (2001) 1.29

Triiodothyronine augmentation in the treatment of refractory depression. A meta-analysis. Arch Gen Psychiatry (1996) 1.26

Prescribing propensity: influence of life-expectancy gains and drug costs. J Gen Intern Med (1994) 1.24

Self-perceived health status of women three to five years after the diagnosis of gestational diabetes: a survey of cases and matched controls. Am J Obstet Gynecol (1998) 1.24

Surveillance mammography after treatment of primary breast cancer: a systematic review. Breast (2002) 1.24

The need for acute, subacute and nonacute care at 105 general hospital sites in Ontario. Joint Policy and Planning Committee Non-Acute Hospitalization Project Working Group. CMAJ (1998) 1.23

Better care and better outcomes: the continuing challenge. JAMA (1998) 1.23

Vitamin B12 injections versus oral supplements. How much money could be saved by switching from injections to pills? Can Fam Physician (2001) 1.22

Will elderly patients stand aside for younger patients in the queue for cardiac services? Lancet (1999) 1.21

Trends in coronary artery bypass grafting in Ontario from 1981 to 1989. CMAJ (1993) 1.20

Subgroups, treatment effects, and baseline risks: some lessons from major cardiovascular trials. Am Heart J (2000) 1.20

Mismatch of coronary risk and treatment intensity under the National Cholesterol Education Program guidelines. J Gen Intern Med (1992) 1.17

Are the marginal returns of coronary artery surgery smaller in high-rate areas? The Steering Committee of the Provincial Adult Cardiac Care Network of Ontario. Lancet (1996) 1.17

The risk of falls on initiation of antihypertensive drugs in the elderly. Osteoporos Int (2013) 1.15

The Toronto Tri-Hospital Gestational Diabetes Project. A preliminary review. Diabetes Care (1998) 1.14

New use of rosiglitazone decreased following publication of a meta-analysis suggesting harm. Diabet Med (2008) 1.14

Aspirin and fibrinolysis in acute myocardial infarction: meta-analytic evidence for synergy. J Clin Epidemiol (1991) 1.13

Accuracy of administrative health data for the diagnosis of upper gastrointestinal diseases. Surg Endosc (2007) 1.13

Using a trade-off technique to assess patients' treatment preferences for benign prostatic hyperplasia. Med Decis Making (1996) 1.13

Sex differences in the use of invasive coronary procedures in Ontario. Can J Cardiol (1994) 1.12

Health care in Canada: incrementalism under fiscal duress. Health Aff (Millwood) (1999) 1.10

Reporting medical mistakes and misconduct. CMAJ (1999) 1.09

Organized medicine and the assessment of technology. Lessons from Ontario. N Engl J Med (1990) 1.08

The Canadian Cardiovascular Society grading scale for angina pectoris: is it time for refinements? Ann Intern Med (1992) 1.08

The HIV-specific advance directive. J Gen Intern Med (1997) 1.07

Variation in hospital length of stay for acute myocardial infarction in Ontario, Canada. Med Care (1994) 1.06

Rates of cardiac catheterization, coronary angioplasty and coronary artery bypass surgery in Canada. Can J Cardiol (1997) 1.04

Towards improved coding of acute myocardial infarction in hospital discharge abstracts: a pilot project. Can J Cardiol (1997) 1.04

A predictive index for length of stay in the intensive care unit following cardiac surgery. CMAJ (1994) 1.04

Life-sustaining treatment preferences of hemodialysis patients: implications for advance directives. J Am Soc Nephrol (1995) 1.02

Rating the urgency of coronary angiography: results of an expert panel process. Ontario Coronary Angiography Panel. Can J Cardiol (1993) 1.02

Coronary revascularization after thrombolytic therapy for myocardial infarction: what caseloads could Canadian centres face? CMAJ (1989) 1.01

Temporal trends in breast cancer surgery in Ontario: can one randomized trial make a difference? CMAJ (1994) 1.00

Molecular dynamics simulations of supported phospholipid/alkanethiol bilayers on a gold(111) surface. Biophys J (1999) 1.00

Pitfalls in nonrandomized outcomes studies. The case of incidental appendectomy with open cholecystectomy. JAMA (1995) 0.99