Review medicine. » Viagra

How prevalent erectile dysfunction?

admin — Tue, 07 Sep 2010 18:51:11 +0000

Patients come to doctors to receive complaints of violation of erection, often ask the question: “How often erectile dysfunction?”. That question is difficult, and easily. The simple answer usually is: “Well, as you surely know from the newspapers and other media, erectile dysfunction found one in four men older than 40 years”, etc. etc. In the same spirit. Actually, not so simple. The difficulty lies in the fact that, despite the huge number of sociological and medical research in this field the exact answer to the question about the prevalence of erectile dysfunction has been received and that’s why.

First, not every man is inclined to discuss their sex life with strangers.

Secondly, the number of patients have a satisfying their sex life despite the problems with erection, that is of questioning or survey, they view themselves as healthy.

And thirdly, the very nature of sociological research in this area can not give a complete picture precise answer to the question about the prevalence of erectile dysfunction.

For example, the famous German urologist Hartmut Porst wrote in one of his books : “For all sorts of data in Germany there are about 10 million men with erectile dysfunction. However, when trying to determine the source of this information, its trace is lost in the jungle of secondary and pseudo-scientific literature. ”

Nevertheless, studies on the prevalence of erectile dysfunction is not terminated and research data are regularly updated. Today’s most rigorous research in this issue is held in 2010 in the U.S. “Program for the Study of aging men in Massachusetts (MMAS)». In the course of this program was subjected to questioning 1,709 people aged 40 to 70 years. As a result of processing of the data yielded the following figures: minimal erectile dysfunction, which in principle do not interfere with live more or less a full sexual life were detected in 17% of respondents, moderate violations, which have a significant influence on the quality of sexual life are found in 25% of respondents and the complete impotence – 10%. Thus, disturbances of erection of different severity were detected in 52% men.

In real terms this means that 18 million American men have a place of erectile dysfunction of different severity. Needless to say, the figure is huge! In this case the obtained data clearly show that the prevalence and severity of erectile dysfunction is strictly correlated with age, while not a sign of very old age.
High injury of the male population (common are injuries of the pelvic bones, which resulted in very often suffer from blood vessels supplying the penis), alcoholism and smoking of low-quality varieties of tobacco. In addition to these three causes of common risk factor for erectile dysfunction is psychological stress, which leads to a depressed mood, reduced sex drive in men and as a consequence – the development of erectile dysfunction. As a result, more than 30% of the male population over age 50 have pronounced erectile dysfunction, and the age of 60 complete impotence occurs in 25% of men. These dismal. But with the advent of Viagra , in our opinion, this alarming statistics can change for the better.

What is Viagra?

admin — Sat, 04 Sep 2010 10:04:56 +0000

So, a medical product “Viagra” (VIAGRA) developed by firm Pfizer International Inc., is the first accepted through a mouth pharmaceutical means in tablets which shows significant and authentic efficiency at vast majority of patients with frustration of erection. The active substance of a preparation is citrate of sildenafil. The preparation is issued in the form of tablets on 25, 50 and 100 mg which contain, accordingly, on 25, 50 and 100 mg citrate of sildenafil.

Unlike other ways of erectile dysfunction treatment which provide carrying out of injections in a penis or other medical procedures, “Viagra” is a simple, convenient and easily applied preparation. At use of “Viagra” you simply accept one tablet when plan sexual contact.

As to the mechanism of “Viagra” action it consists in an increase of the blood quantity coming in a penis that helps the man to cause natural erection.”Viagra” operates only when the man experiences natural sexual excitation and when the sexual intercourse is finished, the penis naturally comes back in the weakened condition. In other words, “Viagra” operates only on natural mechanisms of erection occurrence and there is its indisputable novelty and a secret of huge popularity in it. How “Viagra” has been invented?

In the history of medicine there are many facts when occurrence of surprising opening was result of accidental supervision or finds. Two brightest examples till now are an opening x-ray radiation and antibiotics.

In 1895 the German scientist Wilhelm Konrad Rentgen paid attention to an unusual green luminescence in the darkness of objects which shortly before it were close with a worked high-voltage cathodic tube for some time.

Also he paid attention to that there was a light-striking of the packed photographic film which also was nearby from a worked high-voltage tube. These unexpected supervisions had allowed the ingenious physicist to come out with the assumption of radiation availability which earlier was not known to mankind. Later on, as is known, this courageous assumption had been completely confirmed.
The history of antibiotics opening is a sequence of even more surprising concurrences. In 1928 the British researcher Alexander Fleming incidentally detected, that a kind of dirty mould destroyed almost all types of bacteria which he grew up for bacteriological experiments. However instead of subjecting the laboratory dishes for cultivation of bacteria of sterilization and to begin experiments anew, Fleming had studied properties of a dirty mould in the most careful manner which to us is known now entitled ” Penicillin “. So antibiotics which have made revolution in medicine had been opened.

The discovery of “Viagra” became, apparently, the third greatest “accidental” opening in medicine. That fact testifies to it also, that all the discoveries about which there had been told above, awarded the Nobel Prize. The same high award in the fall of 1998 the researchers who had opened, besides other things, properties of a preparation “Viagra” had been awarded. The history of “Viagra” began in 1992 in Great Britain, in the place Pfiser the Sandwich, during pharmacological researches of firm ” Pfiser”. Researchers were carrying out clinical tests of new medicinal substance – Citrate Sildenafil which was developed as means for treatment of some cordial illnesses.

Scientists counted on that citrate of sildenafil will assist the increase of blood inflow to a cardiac muscle and decrease in arterial pressure. However it was noted, that citrate of sildenafil did not render essential influence neither on blood circulation in a cardiac muscle (myocardium), nor on arterial pressure.

There were, that many patients of a male who participated in research, refuse to return sildenafil tablets, despite of the termination of testing. The reason for refusal at all these patients was one – all of them noted themselves sharp improvement of erection quality. Thus, despite of the minimal influence of a new medicine on blood circulation in a myocardium, sildenafil caused perceptible blood inflow to a man’s genitals. The researchers of pharmacological company ” Pfiser ” concerned to this unexpected property citrate sildenafil with due attention and managed to distinguish a powerful tool in it against erection disturbances. The new preparation received the name “Viagra” – the name was born as though as a result of merge of the words «Vigor» (authority, energy, force) and Niagara – the most powerful waterfall in Northern America.

Since 1993 the long-term clinical tests necessary for confirming of “Viagra” properties began. As a result of these tests high efficiency of “Viagra” for treatment of impotence and a high security of this preparation were proved. And as the natural ending – on March, 27th, 1998 Department of the USA on the foodstuffs and medicines approved application of “Viagra”

Can the death occur after administration of “Viagra”?

admin — Sat, 07 Aug 2010 13:10:47 +0000

Currently in the world officially registered 69 cases of death after administration of “Viagra” (end of November 2010). However, it must be said at once that in the end, at least for now, was not to win a single lawsuit against the company “Pfizer” on charges in the death of patients due to the “Viagra“. The cause of death in all cases, were diseases of the circulatory system (heart attacks and strokes), which evolved from dead during sexual intercourse. Indeed, the sexual act is a serious exercise. Some researchers believe that one sex can be equated to run at a distance of five kilometers. This is indeed a serious test. If an older man who for years was denied the opportunity to make love, he suddenly got sexy as fast as a teenager; the consequences could be dire, because the heart may simply not survive in a physical activity. But not “Viagra” to blame. In our opinion, this is more a question of culture, as it is obvious that a person needs to control his emotions, not bringing himself to death by excessive zeal during lovemaking. Reports of fatalities only confirm the need for medical monitoring of the admission “Viagra”, especially in elderly patients or diseases of the cardiovascular system. Before you start taking a “Viagra”, people have to consult a doctor, and if necessary – to be examined by cardiologist. Only in this case will be reliably established reserves of the heart and a qualified doctor can give advice on how intense sex life can be one or the other person. Apart from cases of death during sex, there are reports in the press and other dangers of excessive sexual activity. For example, in 1997 in Hong Kong had a trial of one prostitute, who was accused of murdering his regular customers. The investigation revealed that the slain man was 82 years old and the motive was not robbery, as decided at the beginning. According to the guilty, she killed her client because of the rampant sexual activity of the victim and the lack of opportunities to perform all love comfort, which demanded that killed a woman. As you may have guessed, the reason for such activity in 82-year old Don Juan was “Viagra”. But, of course, no medication is guilty of such an outcome of the case.