Athletes with asthma face increased risk of symptoms due to high minute ventilation and poor air quality during exercise. Individualized management plans are crucial to comply with anti-doping regulations.
A large population-based study of 659,000 women found that almost 20% develop type 2 diabetes within 9 years of pregnancy. The rate of diabetes increased rapidly after delivery, peaking at 9 years. Higher urban statistics and older mothers also increase risk factors for gestational diabetes.
Exposure to chemical & biological contaminants can cause respiratory & neurologic symptoms, allergies, asthma, and lung cancer. Secondhand smoke & radon are major causes of lung cancer after cigarette smoking.
A meta-analysis of 32,000 participants found that six treatments for smoking cessation were more effective than placebos. The most effective treatment was varenicline, which was about twice as effective as bupropion.
Researchers argue that current hospital mortality measures are limited and suggest developing new methods based on detailed clinical data to accurately assess provider performance. Investing in more comprehensive measures can help focus on specific conditions and procedures with known connections to controllable elements of care.
A topical spray has been shown to reduce pain in children undergoing intravenous procedures by 34%, improving success rates and procedure times. The study's findings have significant clinical implications, particularly for busy office practices or emergency departments.
Access to antiretroviral therapy has been associated with substantial reductions in HIV incidence. Expanded access can reduce AIDS-related illness and deaths, making it a viable prevention strategy.
Researchers found that sucrose reduces overall pain in newborns during painful medical procedures, but not for intramuscular injections or heel-lancing. The study's results will help update pain management guidelines to better reduce pain responses in newborns.
Older adults experience increased bone loss, but antiresorptive medications can attenuate this process. Researchers found that even in women aged 50-54, bone loss was only 1.3% per year.
Research into crystal meth addiction has been limited to animal studies, but potential therapeutic agents targeting dopamine and non-dopamine systems are in clinical testing. The article highlights the need for accelerated clinical trials to address the public health importance of this issue.
A systematic review found short-term medical cannabinoid use linked to higher rates of non-serious adverse events, particularly dizziness. However, longer-term effects in chronic illness remain unexplored.
A lack of integrated national health surveillance system in Canada poses significant risks to public health and hinders global response to emergencies. The absence of timely reporting mechanisms and poor coordination between federal and regional governments exacerbate the issue.
A retrospective cohort study of 10,000 patients aged 65 and older found that only 20% received thromboprophylaxis to prevent life-threatening venous thrombosis after discharge. Elderly patients have a 70% lower risk of dying within 3 months if they take an anticoagulant drug.
Researchers found that nearly 2400 patient records from 20 hospitals in Quebec revealed a significant correlation between communication problems and preventable adverse events. The study found that patients with comorbidities, psychiatric disorders, or multiple health issues were more likely to experience adverse events.
Researchers confirm long-term use of selective serotonin reuptake inhibitors as effective treatment for depression. A 6-9 month course is recommended after recovery from an episode, especially in those without major comorbidities.
A study of over 43,000 Canadian patients reveals that two commonly used ACE inhibitors, enalapril and captopril, are associated with a 10-15% increase in mortality compared to ramipril for older adults with congestive heart failure. The authors recommend considering alternative treatments due to the higher mortality risk
Experimental studies on pigs found that stun gun discharges can stimulate the heart, particularly when barbs are located across the heart. This contradicts theoretical studies suggesting that cardiac stimulation does not occur with stun gun discharges.
New research from the Ontario Prehospital Advanced Life Support project shows that advanced life support for trauma patients prior to hospital transport has no survival benefits and may even cause harm. The study found no difference in patient survival rates between those receiving basic and advanced life support.
The Canadian Medical Association Journal highlights divergent capacity and consent laws across provinces, impacting patient care and decision-making. The authors call for a national debate on the issues, advocating for explicit national standards that include family and caregiver involvement.
A 12-year study found a significant increase in differentiated thyroid cancer cases, with small subclinical tumours accounting for the rise. Advances in medical imaging are thought to be responsible for the increased detection rate, rather than a change in disease patterns.
A population-based study found that having a primary physician and high continuity of care lowered emergency department use among elderly patients. Additionally, rural residence, low socioeconomic status, and higher physician-to-population ratio were associated with increased emergency department use.
A survey of Canadian parliamentarians reveals that most have poor knowledge of health research activities, benefits, and costs in Canada. The results highlight the need for increased awareness and education about the importance of health research.
A recent study highlights the significant impact of poverty on chronic disease in Asian countries, resulting in over 8 million avoidable deaths annually. Practical interventions such as tobacco-smoking cessation programs and regional partnerships between governments and institutions are proposed to mitigate these effects.
A retrospective cohort study of 18,722 hemodialysis patients found that those living farther from their attending nephrologist had increased mortality rates from all causes and infectious causes. Proximity to a nephrologist was shown to impact clinical outcomes for these patients.
A retrospective cohort study found that elderly patients who started dialysis between 1990 and 1999 experienced significant improvements in survival rates. Patients aged 65-74 years at the start of dialysis showed a 23% improvement in survival, while those aged 75 or more saw a 15% gain.
A 20-week randomized trial found that perindopril improved exercise capacity and maintained health-related quality of life in elderly participants. The degree of improvement was equivalent to that reported after 6 months of exercise training.
A standardized intervention incorporating risk assessment and telephone counselling improved cardiovascular risk factors among those at risk for coronary disease, but not among those with established coronary disease. The study found a positive impact on reducing cardiovascular risk factors in high-risk individuals.
A retrospective cohort study found that international medical graduates, physicians with high practice volumes, and those who were in practice longer were more likely to prescribe antibiotics inappropriately. This inappropriate prescribing is associated with increased risk of antibiotic resistance, adverse events, and healthcare costs.
A meta-analysis of 9 randomized trials found that static magnets have no effect on pain scores for patients with rheumatoid arthritis and fibromyalgia. However, the study suggests that further research is necessary to explore potential benefits for people suffering from osteoarthritis.
A research letter investigates the feasibility of self-collected HPV specimens for testing among women at high risk of cervical cancer. The study found that outreach nurses were able to recontact 81.4% of participants who tested positive and referred them for further testing.
A cohort study found a small but significant increase in cesarean deliveries when women are cared for by an on-call obstetrician rather than their regular-care obstetrician. The study highlights the importance of smooth hand-offs of patient care between physicians.
A study of 40,171 patients found a 4-6 fold increase in gastrointestinal bleeding when warfarin was used with antiplatelet agents. Physicians should be aware of these risks to better assess their patients' therapeutic risk-benefit profiles.
A study of Ontario prison inmates found injection drug use was the leading risk factor for HIV and HCV infections, with rates 11-22 times higher than in the general population. Targeted education and prevention efforts are recommended to address the high rates of recidivism and short stays in remand facilities.
A study of 1607 Quebec prisoners found injection drug use was the leading risk factor for HIV and HCV infections. The majority of infected inmates reported being injection drug users before imprisonment, highlighting the need for pre-imprisonment testing and harm-reduction measures.
Research finds inadequate ventilation and overcrowding contribute to higher rates of lower respiratory tract lung infections in Inuit children. Carbon dioxide levels often exceed recommended concentrations in homes with poor ventilation.
A new study from British Columbia found that Aboriginal people with heroin addiction are less likely to use methadone maintenance therapy. Compared to non-Aboriginal counterparts, Aboriginal participants were significantly lower rates of methadone use throughout the follow-up period.
The use of implantable cardioverter defibrillators is increasing in Canada but remains lower than in the US. In adults who survived a cardiac arrest, the rate increased from 5.4% to 26.7% between 1995 and 2003. The devices are considered safe and effective for people at risk of life-threatening rhythm disturbances.
A multidisciplinary team approach has successfully treated acute heart attacks by expediting patients to specialized treatment centers within 90 minutes. This program evaluation demonstrates improved outcomes for ST-segment elevation myocardial infarction patients in Canada.
A study in Toronto found that restricting non-urgent hospital use during the 2003 SARS outbreak resulted in a 12% decrease in admissions. This reduction would only offset one-quarter of expected additional admissions in an influenza pandemic, highlighting potential limitations on future epidemic capacity.
A recent review examines the evidence supporting PSA testing for prostate cancer screening. Despite controversy over its effectiveness, many Canadian men are being tested due to widespread practice. The article also discusses finasteride's potential in reducing enlarged prostate risks and cancer risk.
A University of Alberta study found a link between parental divorce and increased methylphenidate use in Canadian children. The research used data from the National Longitudinal Survey of Children and Youth, which showed a higher percentage of children taking the drug after their parents' divorce.
A study in London found that introducing financial incentives for physicians improved support for smoking cessation and reduced smoking prevalence among people with diabetes who smoke. The introduction of pay-for-performance incentives has the potential to improve quality of care for these patients.
A randomized trial found that brand names significantly impact patient treatment decisions, with 36% changing their choice after seeing the true name. The study suggests that decision aids can help patients navigate complex medical decisions and express their personal values.
A meta-analysis suggests that half of blood-thinning drug-related complications can be prevented through improved anticoagulation control. This study highlights the importance of closely monitoring patients taking these medications to avoid serious side effects.
A study found that new immigrant women had lower risks of maternal placental syndrome and related complications during pregnancy compared to those who had lived in the country for longer. The risk increased with length of residence in Ontario.
A systematic review found that screening all women with newly diagnosed breast cancer using immunohistochemistry and confirming ambiguous results with fluorescence in situ hybridization is the most cost-effective strategy. Gene patenting can lead to restricted access to genetic testing and treatments, increasing healthcare costs.
Patients who received cataract surgery within 6 weeks experienced better visual outcomes and fewer adverse events compared to those who waited longer. The optimal wait time for cataract surgery remains unclear due to mixed results between 6 weeks and 6 months.
A study of Dutch rescue workers who responded to a fireworks explosion found increased rates of sick leave due to musculoskeletal and respiratory problems that persisted for 3-4 years after the disaster. Psychological symptoms, however, returned to pre-disaster levels within 2-3 years.
A significant number of Canadian-educated physicians practice in the US, contributing to the shortage. Practitioners from rural areas could alleviate shortages by returning to Canada.
The new guidelines recommend measuring waist circumference in all adults to assess risk of cardiovascular disease and diabetes. Health professionals are advised to incorporate this measurement into their toolkit for managing overweight and obese patients.