A study of South Asian Canadians found they presented late to hospital, were more likely to have diabetes, but less likely to be smokers than non-South Asians. Despite these differences, the two groups had similar MI mortality and in-hospital outcomes.
The study found that physician judgment had a sensitivity of 89% and specificity of 26% for the Ottawa rules, and 80% and 59% for the Leiden rule. With structured data collection, physicians' judgment was similar to existing ankle rules in terms of sensitivity and ability to safely reduce radiographic examinations.
The study found a significant increase in bicycle helmet use from 36% to 84%, resulting in a decrease in head injuries among cyclists. However, another commentator suggests that legislation alone may not be sufficient to promote safe cycling and recommends combining it with other strategies such as bike paths.
Evidence suggests PSA screening may not significantly reduce prostate cancer mortality rates. Large-scale randomized controlled trials are necessary to confirm these findings and provide clarity on the effectiveness of PSA screening at a population level.
Research reveals a decline in general practitioners' and family physicians' involvement in non-office settings, leading to a reduction in comprehensive care. Alternative models such as group practices and networks can help meet the need for primary care, but reliance on core physicians working in multiple settings remains a concern.
A meta-analysis of three studies found that low-intensity ultrasound therapy significantly reduces healing time for non-operative fractures. The treatment group showed a mean time to healing that was 6.41 times shorter than the control groups.
The article explores the challenges of managing emergency department overcrowding and the legal duty to provide care. It discusses the complexities of weighing patient diversion against accepting critically ill patients, raising questions about liability and hospital responsibilities.
A Canadian study finds that home births attended by midwives have comparable perinatal outcomes to hospital births, including lower rates of maternal infection and neonatal complications. However, the authors recommend ongoing monitoring for rare adverse outcomes such as hemorrhage and ventilator support.
A study of 4535 medical records found that autologous blood donation programs were used in only 18.6% of patients, despite being eligible, and reinfusion of blood was used in just 2.4% of all cases. Experts recommend greater cooperation among anesthetists, surgeons, and transfusionists to improve blood conservation techniques.
The study found that all participants exceeded their maximum heart rate target, with slow heart-rate recovery common among them. Dr. Murray Mittleman cautions against warning off players, instead suggesting regular exercise throughout the year to mitigate cardiac risks.
A Canadian study analyzed 19,265 infant deaths in 17 NICUs between 1996 and 1997, finding that common causes of death were birth at a different hospital, congenital anomalies, infection, and hypoxic-ischemic encephalopathy. The risk-adjusted mortality rates varied significantly among hospitals.
The article reviews the possible psychopharmacologic effect of several nutrients on mood and behaviour. Key findings include the potential mild antidepressant effects of SAMe, folic acid, and tryptophan, as well as the relation between carbohydrate consumption and sedation.
A randomized controlled trial found that peer support significantly increased breast-feeding rates among primiparous women. At 4, 8, and 12 weeks postpartum, mothers in the peer-support group had higher breast-feeding rates than those in regular care, with 92.4% vs. 83.9%, 84.8% vs. 75.0%, and 81.1% vs. 66.9%, respectively.
A meta-analysis of 2897 participants found short-acting methylphenidate effective for ADD, but with side effects such as decreased appetite and insomnia. Prescription rates in British Columbia increased rapidly compared to the US, with higher rates in lower socioeconomic quintiles.
A study by René Verreault and colleagues found that past vaccine exposure was associated with a reduced risk of developing Alzheimer's disease. The researchers used multivariate logistic regressions to compare vaccinated and non-vaccinated subjects, adjusting for age, sex, and education.
A new agency is proposed to enhance postmarketing surveillance and dissemination of information on adverse drug reactions. The current system relying on pharmaceutical companies' voluntary warnings may not be adequate, highlighting the need for a parallel agency to protect patients.
Individuals with normal low-density lipoprotein (LDL) cholesterol may still be at increased risk of coronary artery disease (CAD), particularly if they carry additional risk factors like central obesity and insulin resistance. Targeting atherogenic dyslipidemia, including abdominal obesity, is recommended to prevent CAD risk.
A volunteer's death during a medical research study highlights the need for improved safety measures and enhanced ethical oversight. The Canadian Medical Association Journal article emphasizes the importance of learning from such incidents to prevent future tragedies.
Premenopausal women who use oral contraceptives may experience lower bone mineral density compared to those who do not use hormonal birth control. The Canadian Multicentre Osteoporosis Study found a significant correlation between oral contraceptive use and decreased bone mineral density in premenopausal women.
The study explores the sanctioned and unsanctioned use of stimulants among Canadian adolescents. It highlights concerns about parental and peer involvement in prescription stimulant use, as well as the risks associated with long-term use.
A study found that 81.6% of injection drug users in Vancouver had hepatitis C antibodies, with 62 new cases reported among those initially negative. Risk factors for infection included female sex, cocaine use, and frequent needle-exchange program attendance.
A study examining cervical manipulation and its potential risks found an estimated rate of 1 arterial dissection per 5.85 million manipulations, significantly lower than previous estimates. Practitioners should discuss the benefits and risks with patients to ensure informed decision-making.
A study in Manitoba found that altering drug benefits led to reduced prescriptions for inhaled corticosteroids among children with severe and mild to moderate asthma. Higher-income neighbourhoods were disproportionately affected. The authors emphasize the need for policies not to deter patients from using essential medications.
A study of 2170 Ontario respondents found that healthcare expenditures were related more to self-reported health status than income. The results suggest that the utilization of physicians' services in Ontario is based on need rather than income. The findings contradict common assumptions about healthcare financing.
A recent randomized controlled trial suggests that preventing falls among elderly people remains a challenging task. Despite improvements in adherence to interventions, injuries and subsequent harm persist. Researchers emphasize the need for continued research and practice to address this critical public health issue.
A study found that 12% of girls aged 12-14 experienced binge-eating episodes, while 7% engaged in self-induced vomiting to lose weight. Researchers recommend screening for eating disturbances among girls with higher body mass indexes.
A study of 13,958 Canadian women found that the median time from screening to first assessment was 2.6 weeks and to diagnosis was 3.7 weeks. Women with breast cancer waited shorter times than those with benign findings. However, even with expedited investigations, 10% of women with breast cancer still waited over 12 weeks for a diagnosis.
A recent Canadian Medical Association Journal study found that 88.5% of patients admitted to hospital with congestive heart failure underwent left ventricular testing, but only 23% received target doses of ACE inhibitors as prescribed in clinical trials. This underdosing rate is lower than previously reported rates in Europe and the US.
Vancouver is facing a high risk of an hepatitis A outbreak due to past infections among street youth, injection drug users, and men who have sex with men. The Canadian Medical Association Journal report highlights the need for vaccination programs to protect these groups.
A population-based study found that the annual rate of potential brain injury was 16 per 10,000 among males and 7 per 10,000 among females. The leading causes of brain injury varied by age, with falls from heights being common among young children and accidents involving motor vehicles or bicycles being common among older teenagers.
A systematic review of literature found an association between positive expectations and improved outcomes in myocardial infarction, cardiac surgery, chronic pain, and psychiatric conditions. The mechanisms behind this association are still uncertain, with questions surrounding causality versus prediction.
Sentinel lymph node biopsy is a promising technique gaining popularity for breast cancer treatment. The new guidelines recommend infrequent surgeons not perform SLN biopsy, and positive results prompt full axillary dissection. However, SLN biopsy is contraindicated in patients with clinically palpable nodes, locally advanced breast can...
A study assessing guideline quality found 64.6% needed modification, while drug company sponsorship negatively impacted quality. Efforts to promote well-developed guidelines in Ontario are underway.
Researchers review vitamin C absorption and metabolism, suggesting re-evaluation of its use in treating cancer. New insights reveal differences between intravenous and oral administration routes.
Despite low use rates among Canadian women aged 50-69, mammography screening remains incomplete, particularly in underserved communities. Organized programs and targeted education strategies can help address these gaps.
The Canadian Medical Association Journal has published new clinical practice guidelines for managing lymphedema related to breast cancer treatment. The guidelines include an updated patient version for women battling the condition. These updates aim to improve patient care and outcomes.
A study by Dr. Vivek Goel and colleagues found that women with early-stage breast cancer treated in specialized teaching hospitals had a higher 5-year survival rate than those treated in community hospitals. The results suggest that initial treatment at specialized centers may be advantageous for women with small tumors.
A Canadian Medical Association Journal article explores the pros and cons of Ontario's no-cost flu vaccine program, which aims to ease pressure on emergency services. Experts argue that while the program may be a step forward in influenza control, its effectiveness and cost-effectiveness are uncertain.
A study found that 2.2% of adults with diabetes were undiagnosed, leading to more physician visits, hospital admissions, and unfavorable health outcomes compared to normoglycemic individuals.
The number of obese Canadian children has surpassed double since 1981, according to a study. The poor dietary habits learned in childhood come home to roost later in life, and physical inactivity is a major contributor to healthcare costs, with reducing it by just 10% potentially saving $150 million annually.
Family physicians face barriers to discussing resuscitation orders with patients, including personal discomfort and fear of damaging relationships. Despite being ideally situated for these discussions, recognizing these barriers is necessary to improve communication and self-awareness.
A study found no significant difference in reducing maternal weight gain and gestational diabetes among Cree women, suggesting cultural factors and intervention intensity as contributing factors. Culturally appropriate modifications to interventions are proposed to reduce the risk of diabetes in pregnancy among this population.
War has a profound impact on the environment and human health, causing widespread destruction of infrastructures, displacement of populations, and ongoing presence of radioactivity and toxins. Medical personnel working in conflicts must recognize and document sexual violence, provide necessary care, and advocate for justice to prevent ...
Randomized trials demonstrate the effectiveness of mammography programs in reducing breast cancer mortality. The studies showed that recall rates after first and subsequent screens were 9.5% and 4.6%, respectively. Additionally, organized breast cancer screening programs can provide more comprehensive monitoring for at-risk populations.
A study found that 57,000 Canadian families struggle with hunger due to lack of funds for food. Parents often sacrifice their health to provide for their children, highlighting the need for improved social safety nets.
A review of patients treated with NIPPV found mortality rates were 28.6% higher in the clinical setting compared to randomized trials. The authors recommend developing practice guidelines to optimize NIPPV use. Dr. Sheldon Magder comments on the limitations of relying heavily on randomized trial findings in clinical settings.
The environment plays a significant role in cancer development, with occupational factors and environmental pollution attributed to 5-7% of cancer deaths. Dr. Richard Clapp reviews the relationship between environmental exposure and cancer, emphasizing the importance of cancer prevention and physician screening for hazardous exposures.
A cross-sectional study found that only 35% of elderly patients with delirium were diagnosed in the emergency department, highlighting the need for improved detection methods. The study emphasizes the importance of developing better tools to identify delirium in ER settings.
A new clinical score for managing upper respiratory tract infections with sore throat could substantially reduce unnecessary antibiotic prescriptions. The study found that using the score would have reduced antibiotics prescribed to culture-negative patients by 63.7% and overall antibiotics by 52.3%.
A study found that only 18.5% of patients with fragility fractures received a proper osteoporosis diagnosis, and even fewer were treated accordingly. This gap in care represents a significant lost opportunity to build bone mass and reduce fracture risk among Canada's aging population.