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发表于 2010-1-26 11:49:38
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51.The following appeared in a medical newsletter.
"Doctors have long suspected that secondary infections may keep some patients from healing quickly after severe muscle strain. This hypothesis has now been proved by preliminary results of a study of two groups of patients. The first group of patients, all being treated for muscle injuries by Dr. Newland, a doctor who specializes in sports medicine, took antibiotics regularly throughout their treatment. Their recuperation time was, on average, 40 percent quicker than typically expected. Patients in the second group, all being treated by Dr. Alton, a general physician, were given sugar pills, although the patients believed they were taking antibiotics. Their average recuperation time was not significantly reduced. Therefore, all patients who are diagnosed with muscle strain would be well advised to take antibiotics as part of their treatment."
The report from a medical newsletter makes an assertion hastily that those who are diagnosed with muscle strain had better take antibiotics as part of their treatment. To support this claim, the author cites a hypothesis of some doctors about the correlation between secondary infections and recovery from severe muscle strain and he also shows us a study of two groups of patients. However, close scrutiny of these evidence reveals that it lends little credible support for the author’s assertion.
Consider the first support of the assertion. The author misleads patients to take antibiotics by inaccurately assuming that secondary infections will surely occur during the healing of muscle strain. Yet, there lacks scientific evidence that patients who have muscle strain are frail against secondary infection. Besides, the hypothesis from doctors only think about the impact of secondary infection on severe muscle strain. What is the definition of severe muscle strain? In fact, we can’t equal muscle strain occurred in our daily life with severe muscle strain such as one which forces a football player to leave field during a fierce game. Thus, I have to cast my doubt on the neccessity of antibotics.
Then consider the study mentioned. Though the study seems to be a powerful support, We can still find quite a few questions. To begin with, the author fails to inform readers of details about the two groups of patients in the study, say their gender, age, life style. If the members of the first group are commonly younger, stronger and more likely to heal than those of the other group, it would be unfair to attribute all benefits to the use of antibiotics. Then, the author ignores the difference between two doctors who respectively cure the two groups. Naturally, a doctor who specializes in sport medicine by virtue of his professional knowledge and rich experience will do a better job than a general physician. What’s more, in the study on the second group, the author doesn’t have deep reasearch into the effect of sugar pills taken by the patients. There is possibility that it is the sugar pills that increase the patients’ average recuperation time instead of the help from antibiotics as the author expects. Without ruling out all other such factors, it is unfail to conclude that taking antibiotics is a good choice of treating musle strain.
Even I concede that antibiotics have something to do with the treatment of muscle strain, common sense informs me that antibiotics may have side effect on patients. The author has not accounted for the possibility that use of antibiotics will result in other harm to people’s health or whether the medicine can be applied to all patients. Unless the author can convince me that the scenarios are unlikely, I cannot accept the recommendation of taking antibiotics to heal muscle strain.
In sum, whether all patients who are diagnosed with muscle strain should be well advised to take antibiotics as part of their treatment remains further studied and discussed. To convince me, the author must provide a clearly statistical evidence that secondary infection has high occurrence in the healing muscle strain. And to better evaluate the recommendation, I would compare the medical effect of two groups who are similar in physical quality and treated by the same doctor and method only except the use of antibiotics.
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