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Included below are news items from the last six months.

 

Lab Tests Online received ‘Power of A’ Gold Award

20 July 2015

AACC, a global scientific and medical professional organisation dedicated to better health through laboratory medicine, is pleased to announce that it has been honoured with a 2015 ASAE Power of A Gold Award for Lab Tests Online.

Symptom-based guidance for cancer diagnosis may save thousands of lives

7 July 2015

The earlier cancer is diagnosed the more likely is treatment to be successful. In June 2015 the National Institute for Health and Care Excellence (NICE) published an updated guideline for general practitioners so that the signs and symptoms of possible cancers could be recognised earlier and the right tests performed faster. It also produced information to help the general public recognise common signs and symptoms of possible cancer so that people would visit their doctor sooner. Health experts predict earlier diagnosis may save thousands of lives each year.

‘Making Sense of Screening’ released today

3 July 2015

The charity, Sense About Science, has released a new edition of their guide, Making Sense of Screening, today.  The aim of the guide is to provide the public with valuable information to improve their understanding of screening programmes and to address the sometimes unrealistic expectations of what screening can deliver.

Warning on misleading laboratory tests for allergy

15 June 2015

Lab Tests Online-UK Technical lead, Stuart Jones, has written about the dangers that misleading and inappropriate diagnostic tests pose to the general public and how inadequate regulation means they are more widely available than ever. Please click on the link above for the full article.

Earlier detection of ovarian cancer by monitoring serum cancer antigen 125 (CA-125)

19 May 2015

Earlier detection of ovarian cancer is proposed following a trial of annual screening with a serum cancer antigen 125 (CA-125) blood test in more than 46,000 women aged 50 or older at average risk of ovarian cancer. The study was published online in the Journal of Clinical Oncology on 11 May 2015. Investigators used a ‘risk of ovarian cancer algorithm’ (ROCA) based on age and changes in CA-125 concentration with time. The ROCA procedure correctly assessed as not at risk the 99.8% of women who did not have cancer. It also correctly identified 86% of those women who did have cancer. In contrast, the conventional single CA-125 cut-off value of greater than 35 U/mL identified less than half (41%) of those with cancer.

Mother’s blood test for Down’s syndrome DNA is more accurate than current screening methods

23 April 2015

The presence of foetal DNA from an extra chromosome 21 in the mother’s blood during early pregnancy predicts Down’s syndrome more accurately than standard non-invasive screening with maternal ultrasound examination and biochemical tests. A multicentre comparison of the two methods in women undergoing routine prenatal screening was published online in the New England Journal of Medicine on 1 April 2015. In 15,841 women who completed both screenings, DNA testing predicted all 38 babies with Down’s syndrome with only nine false positives (0.06%). Standard screening predicted 30 of the 38 but with 854 false positives (5.4%). A UK research team is evaluating the requirements for implementing the DNA test as part of the NHS Down’s syndrome screening programme.

Not all testing is good, and some can be harmful

11 March 2015

Lab Tests Online-UK has published a series of articles on unvalidated and misleading laboratory tests. It is important that members of the public are made aware that these sorts of tests are increasingly available to purchase directly without consulting any qualified health professionals. Please click on the link above for the full article.

Can a laboratory test help smokers decide how to stop?

3 February 2015

There is variation in the way that individuals respond to two of the most effective treatments to give up smoking: nicotine patches and the prescription drug varenicline. Researchers from the US and Canada reported online in The Lancet Respiratory Medicine on 11 January 2015 the results of a randomised controlled trial of these two treatments. Individuals were classed as either ‘normal’ or ‘slow’ metabolisers of nicotine on the basis of a laboratory test result: the ratio of the plasma concentrations of the nicotine breakdown products, conitine and 3’-hydroxyconitine. The authors concluded that treating normal metabolisers with varenicline and slow metabolisers with nicotine patches could maximise the number quitting while minimising the side effects of treatment.

Improving the diagnosis of heart attack in women

3 February 2015

Muscle damage releases proteins called troponins into the bloodstream. Recently, highly sensitive and reproducible assays for serum heart-specific troponin have become available. Last year the National Institute for Health and Care Excellence (NICE) recommended that they could be used to help rule out a heart attack. NICE recognised that the upper limit of normal of the new tests may be lower in women than men. Researchers have now compared a standard and a new high-sensitivity troponin test both with and without a lower diagnostic value for women than for men to find out whether diagnosis can be improved. They investigated 1126 consecutive patients who presented to the Royal Infirmary of Edinburgh with a suspected heart attack. Their conclusion, published online in the British Medical Journal on 21 January 2015, was that the high-sensitivity troponin test with a sex specific diagnostic value may double the diagnosis of heart attack in women and identify those at high risk of a further heart attack and death.

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