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Let The Reader Beware - Making Sense Of Medical Stories In The News
From the book
by Dr. Aniruddha Malpani, MD and Dr. Anjali Malpani, MD.
Most infertile couples are aware of the dramatic advances reproductive technology has made in the recent past, and many of them rely on the media (TV, radio, newspapers, magazines) to remain updated with the latest news about infertility treatments.
However, many news stories about infertility treatment are often misleading and incorrect, and there are many reasons for this. Remember that news, by its very definition, implies something new and unusual. The media is often guilty of oversimplifying or exaggerating results , and headline writers may focus on an angle that gives a distorted impression, which often means that facts are sacrificed at the altar of readability or circulation figures. Since space is limited, many reporters do not provide a balanced perspective, and often focus only on the success stories, so that pictures of doctors and couples holding newborns are very common. While these do provide excellent photo-opportunities, the sad stories of the many failures never sees light of day.
Newspaper articles usually paint a very rosy picture - but these often lead patients to have false hopes and unrealistic expectations. Many reasons can be attributed to the somewhat shoddy standard of reporting in the lay press with respect to infertility. Editors crave for stuff which is 'new' and doctors and hospitals are only to happy to tom-tom their latest gadgets and gizmos. Reporters are often not specialised enough to understand the medical technical background. Often, they do not do their homework properly, which results in misreporting, which is, unfortunately, a common occurence in India.
The outcome is that patients are often confused and are not sure how the latest advances in reproductive technology apply to them, so that they often rush to their doctor's clinics with the cutting in hand ! The report often raises false hopes and gives them unrealistic expectations. As a result, the media loses credibility, so that they often end up performing a disservice to patients and their doctors. Because the public is eager, for any scrap of medical news, the media often reports individual studies out of context, as if each study could stand alone. However, single studies rarely yield a simple 'yes' or 'no' answer to a medical question. One ought to realise that scientific discovery is a process that often takes years to unfold, and an individual medical report or isolated success story means little. Remember, that new does not always means better ! For example, many doctors have started using lasers in the IVF laboratory. However, whether these actually help to increase pregnancy rates is still unproven. Nevertheless, patients get carried away easily by the glamour of this "new technologic advance", and are happy to pay more for the use of the laser, even though it may not help them increase their chances of conceiving. This is why some cynics have suggested that the term LASERS should stand for "Latest Advanced Source for Extra Remuneration for Surgeons" !
First of all, identify the source of the story. Does the information come from a reputed publication (such as The Lancet) or a leading medical professional organisation (such as the American Heart Association)? Second, look beyond the statistics. When reports hurl at you statistics like 'a 50 per cent pregnancy rate ', take a closer look at the exact numbers. Many of us get 'turned off' by numbers, but this attitude can prove dangerous: you need to ask yourself what the numbers really mean and how they apply to you? Benjamin Disraeli once remarked that there are three kinds of lies: lies, damned lies and statistics. Remember that statistical methods are simply tools, and they can produce blatantly wrong conclusions unless sensibly used. How many patients were treated ? How were they selected ? Have these results been consistent ? Have these results been confirmed in other studies and other centers ?
One important safeguard against imperfect or flawed scientific reporting is peer review; i.e., scientists scrutinize each other's work in advance. Almost all well-respected scientific journals rely on peer review to select papers for publication. Any study that has not undergone peer review should be regarded with the utmost scepticism. For example, one should be wary of findings announced at a press conference that are not accompanied by publication in a journal or by a presentation at a scientific forum. Many doctors and clinics will send out press releases to get media attention, in order to attract more patients, even though the information they provide to the press may not be reliable or trustworthy.
While it is true that reproductive technology does represent one of modern medicine's success stories, the wide range of technological advances in reproductive medicine can leave many infertile patients feeling completely confused. How is a patient to make sense of which technology may be useful for his particular problem? New technology can be dazzling, and undoubtedly, when reproductive technology is used properly, it can help many infertile couples to have a baby. However, technology can be a two-edged sword; and we need to remember that every rose has its thorns! For example, growth hormone was introduced as an adjuvant for superovulation in the early 1990s with great hopes and expectations, and leading doctors announced at many conferences that growth hormone helped to improve pregnancy rates dramatically. Unfortunately, these claims were found to be unfounded, and no one uses growth hormone anymore. However, many patients ended up wasting large sums of money.
What can you do to protect yourself ? Remember that fashions come and go in medicine as well, and many doctors are happy to jump onto the latest bandwagon, so that they can present papers at conferences and give lectures, to show that they are the leaders in the field. When you read a report of a new advance, it's usually a good idea to let the froth and the hype to settle down before accepting it. If it is in fact a real advance, it will be replicated in many centers all over the world - remember that the best way to assess the true value of a treatment is to see whether it can withstand the test of time !
You need to be aware of the following inappropriate uses of technology in reproductive medicine today, so that no one uses you as a guinea pig .
There are many reasons for the inappropriate use of medical technology. For instance:
The most crucial question is: how can you intelligently apply what you have read to your treatment? Make sure you are well-informed, so that you can critically assess the reported advance, and judge its relevance (as it relates to your problem ) for yourself. Make it a point to ask your doctor as well ! Your own doctor can help you make sense of the technology, and put it in the right perspective.