A group of doctors say Canadian cancer screening guidelines set by a national task force are out-of-date and putting people at risk because their cancers aren’t detected early enough.
“I’m faced with treating too many patients dying of prostate cancer on a daily basis due to delayed diagnosis,” Dr. Fred Saad, a urological oncologist and director of prostate cancer research at the Montreal Cancer Institute, said at a news conference in Ottawa on Monday.
The Canadian Task Force on Preventive Health Care, established by the Public Health Agency of Canada, sets clinical guidelines to help family doctors and nurse practitioners decide whether and when to recommend screening and other prevention and early detection health-care measures to their patients.
A cervix self-screening kit is a part of the first self-screening cervical cancer plan in Canada, in Vancouver, Tuesday, Jan. 9, 2024. THE CANADIAN PRESS/Ethan Cairns
Its members include primary-care physicians and nurse practitioners, as well as specialists, a spokesperson for the task force said in an email Monday.
But Saad and other doctors associated with the Coalition for Responsible Healthcare Guidelines, which organized the news conference, said the task force’s screening guidelines for breast, prostate, lung and cervical cancer are largely based on older research and conflict with the opinions of specialists in those areas.
For example, the task force recommends against wide use of the prostate specific antigen test, commonly known as a PSA test, for men who haven’t already had prostate cancer. Saad called that advice, which dates back to 2014, “outdated” and “overly simplistic.”
The task force’s recommendation is based on the harms of getting false positive results that lead to unnecessary biopsies and treatment, he said.
But that reasoning falsely assumes that everyone who gets a positive PSA test will automatically get a biopsy, Saad said.
“We are way beyond the era of every abnormal screening test leading to a biopsy and every biopsy leading to treatment,” he said, noting that MRIs can be used to avoid some biopsies.
“Canadian men deserve (to) have the right to decide what is important to them, and family physicians need to stop being confused by recommendations that go against logic and evidence.”
Dr. Martin Yaffe, co-director of the Imaging Research Program at the Ontario Institute for Cancer Research, raised similar concerns about the task force’s breast cancer screening guideline, which doesn’t endorse mammograms for women younger than 50.
That’s despite the fact that the U.S. task force says women 40 and older may decide to get one after discussing the risks and benefits with their primary-care provider.
The Canadian task force is due to update its guidance on breast cancer screening in the coming months, but Yaffe said he’s still concerned.
“The task force leadership demonstrates a strong bias against earlier detection of disease,” he said.
Like Saad, Yaffe believes it puts too much emphasis on the potential harm of false positive results.
“It’s very hard for us and for patients to balance this idea of being called back and being anxious transiently for a few days while things are sorted out, compared to the chance of having cancer go undetected and you end up either dying from it or being treated for very advanced disease.”
But Dr. Eddy Lang, a member of the task force, said the harms of false positives should not be underestimated.
“We’ve certainly recommended in favour of screening when the benefits clearly outweigh the harms,” said Lang, who is an emergency physician and a professor at the University of Calgary’s medical school.
“But we’re cautious and balanced and want to make sure that we consider all perspectives.”
For example, some men get prostate cancer that doesn’t progress, Lang said, but if they undergo treatments they face risks including possible urinary incontinence and erectile dysfunction.
Lang also said the task force monitors research “all the time for important studies that will change our recommendations.”
“And if one of them comes along, we prioritize the updating of that particular guideline,” he said.
The Canadian Cancer Society pulled its endorsement from the task force’s website in December 2022, saying it hadn’t acted quickly enough to review and update its breast cancer screening guidelines to consider including women between 40 and 50.
“(The Canadian Cancer Society) believes there is an obligation to ensure guidelines are keeping pace with the changing environment and new research findings to ensure people in Canada are supported with preventative health care,” it said in an emailed statement Monday evening.
Some provinces have implemented more proactive early detection programs, including screening for breast cancer at younger ages, using human papillomavirus (HPV) testing to screen for cervical cancer and implementing CT scanning to screen for lung cancer, doctors with the Coalition for Responsible Healthcare Guidelines said.
But that leads to “piecemeal” screening systems and unequal access across the country, said Dr. Shushiela Appavoo, a radiologist with the University of Alberta.
Plus, many primary-care providers rely on the national task force guidelines in their discussions with patients, she said.
“The strongest association … with a woman actually going for her breast cancer screen is whether or not her doctor recommends it to her. So if her doctor is not recommending it to her, it doesn’t matter what the provincial guideline allows,” Appavoo said.
In addition to updating its guideline for breast cancer screening this spring, the task force is due to review its guidelines for cervical cancer screening in 2025 and for lung cancer and prostate cancer screening in 2026, according to its website.
This report by The Canadian Press was first published April 16, 2024.
Canadian Press health coverage receives support through a partnership with the Canadian Medical Association. CP is solely responsible for this content.
HALIFAX – The Nova Scotia government says it could be months before it reveals how many people are on the wait-list for a family doctor.
The head of the province’s health authority told reporters Wednesday that the government won’t release updated data until the 160,000 people who were on the wait-list in June are contacted to verify whether they still need primary care.
Karen Oldfield said Nova Scotia Health is working on validating the primary care wait-list data before posting new numbers, and that work may take a matter of months. The most recent public wait-list figures are from June 1, when 160,234 people, or about 16 per cent of the population, were on it.
“It’s going to take time to make 160,000 calls,” Oldfield said. “We are not talking weeks, we are talking months.”
The interim CEO and president of Nova Scotia Health said people on the list are being asked where they live, whether they still need a family doctor, and to give an update on their health.
A spokesperson with the province’s Health Department says the government and its health authority are “working hard” to turn the wait-list registry into a useful tool, adding that the data will be shared once it is validated.
Nova Scotia’s NDP are calling on Premier Tim Houston to immediately release statistics on how many people are looking for a family doctor. On Tuesday, the NDP introduced a bill that would require the health minister to make the number public every month.
“It is unacceptable for the list to be more than three months out of date,” NDP Leader Claudia Chender said Tuesday.
Chender said releasing this data regularly is vital so Nova Scotians can track the government’s progress on its main 2021 campaign promise: fixing health care.
The number of people in need of a family doctor has more than doubled between the 2021 summer election campaign and June 2024. Since September 2021 about 300 doctors have been added to the provincial health system, the Health Department said.
“We’ll know if Tim Houston is keeping his 2021 election promise to fix health care when Nova Scotians are attached to primary care,” Chender said.
This report by The Canadian Press was first published Sept. 11, 2024.
ST. JOHN’S, N.L. – Newfoundland and Labrador‘s chief medical officer is monitoring the rise of whooping cough infections across the province as cases of the highly contagious disease continue to grow across Canada.
Dr. Janice Fitzgerald says that so far this year, the province has recorded 230 confirmed cases of the vaccine-preventable respiratory tract infection, also known as pertussis.
Late last month, Quebec reported more than 11,000 cases during the same time period, while Ontario counted 470 cases, well above the five-year average of 98. In Quebec, the majority of patients are between the ages of 10 and 14.
Meanwhile, New Brunswick has declared a whooping cough outbreak across the province. A total of 141 cases were reported by last month, exceeding the five-year average of 34.
The disease can lead to severe complications among vulnerable populations including infants, who are at the highest risk of suffering from complications like pneumonia and seizures. Symptoms may start with a runny nose, mild fever and cough, then progress to severe coughing accompanied by a distinctive “whooping” sound during inhalation.
“The public, especially pregnant people and those in close contact with infants, are encouraged to be aware of symptoms related to pertussis and to ensure vaccinations are up to date,” Newfoundland and Labrador’s Health Department said in a statement.
Whooping cough can be treated with antibiotics, but vaccination is the most effective way to control the spread of the disease. As a result, the province has expanded immunization efforts this school year. While booster doses are already offered in Grade 9, the vaccine is now being offered to Grade 8 students as well.
Public health officials say whooping cough is a cyclical disease that increases every two to five or six years.
Meanwhile, New Brunswick’s acting chief medical officer of health expects the current case count to get worse before tapering off.
A rise in whooping cough cases has also been reported in the United States and elsewhere. The Pan American Health Organization issued an alert in July encouraging countries to ramp up their surveillance and vaccination coverage.
This report by The Canadian Press was first published Sept. 10, 2024.
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