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Interesting facts about Viagra
Doctors Hospital Safed "Ziv", desperate to save the life of a newborn girl who had resorted to the unusual method of treatment and it has paid off. The girl had a congenital anomaly - a syndrome of elevated pulmonary pressures. The children who were born with this syndrome, difficulty breathing heavily, and in 30% of cases likely extremely sad outcome. The appearance of the syndrome occurs in the womb.
According to the doctors the reason he is the oxygen starvation of the fetus. Because with the fact that since the birth of the child almost could not breathe independently, he needed a device for mechanical ventilation. It has been three weeks of unsuccessful attempts to rescue the girl by standard methods of treatment, after which the doctors decided to appeal to the Ministry of Health for permission to use Viagra.
The head of the intensive care Safed Hospital "Ziv" explained that Viagra, and its vasodilator capacity, helped to widen the pulmonary vessels of the sick child, and thus saved her life. The child was out of danger, and feeds from the breast.
Another interesting effect that caused the well-known drug for the treatment of erectile dysfunction - Viagra, scientists have identified Stendsfordskogo University. It was found that administration of Viagra increases endurance at high altitudes. A series of tests on a stationary bike, which was attended by athletes and cyclists.
A few minutes before arrival, ten athletes took a tablet of Viagra, and the rest were given a placebo. The height of 3,900 m above sea level, six-kilometer distance and discharged oxygen were the conditions in which the tests were conducted. At the end of the test it was found that four out of ten volunteers who took Viagra improved their results by 39% to cope with the distance is much easier than usual.
At the time, scientists were not willing to give an explanation of the reason for which only four participants could improve their results, which were found to cope with the high altitude slightly worse than the others. Viagra does not have an impact on the athletes during the ride height close to sea level. Occurrence of erection of the participants also were observed.
Among other things, the results produced by Viagra at high altitude did not neozhidannyi. Recently, Viagra was approved as a drug aimed at combating pulmonary hypertension, which can occur when a lack of oxygen. Pulmonary vessels to constrict, which gives an additional burden on the heart. This has an impact on athletic performance. Viagra also dilates blood vessels, and the negative effect simply disappears.
As you know, Viagra was originally developed as a remedy for sore throats. Men all over the world should be grateful to the people of Wales Merthyr Taydfil. It was here in 1992 during the tests showed a remarkable side effect of Viagra.
How many futurologists of the recent past have tried to forecast what other wonders will create the human mind to the outcome of the twentieth century. They said that they would be defeated cancer - were wrong. Others believed it would be carried out controlled thermonuclear reaction and the person will get into the hands of the inexhaustible sources of energy - miscalculated. Still others hoped there would be a general theory of open fields, over which had unsuccessfully fought Einstein - by. Fourth predicted a manned flight to Mars - are not.
And yet, at sunset century, scientists have made an invention, which futurists could not even dream. Even in the most glowing dream such a victory over the nature of human genius never dreamed of. Rights, rights was Michuryn - "we can not wait for favors from nature, take them from it - our problem." And - have taken. Took this at the mercy of nature and given into the hands (ie not just the hands, and a few in other organ of the body, but gave) Humanity.
The name of the invention, a proud, perhaps even more proudly than the "man" in Gorky. Yes, it's Viagra! The names of the researchers who discovered the role of nitric oxide in the development and maintenance of a normal erection is now known to all - Robert Ferchgott, Ferid Murad and Louis Ignarro.
Opening "Viagra" was apparently, third greatest "random" opening in medicine - after the discovery of X rays and penicillin. These discoveries have been awarded the Nobel Prize. The same high rewards the fall of 1998 and was awarded the researchers who discovered, among other things, the properties of the drug "Viagra".
The story of "Viagra" began in 1992 in the UK, in the town of Sandwich Pfayzers, in the course of pharmaceutical research company "Pfizer". The researchers conducted clinical trials of a new drug - sildenafil citrate, which was developed as a means to treat certain heart ailments.
Scientists have calculated that sildenafil citrate will contribute to increased blood flow to the heart muscle and reduce blood pressure. However, it was noted that sildenafil citrate has no significant effect on either the circulation to the heart muscle (myocardium) or the blood pressure.
In parallel, revealed that many male patients who participated in the study refused to return sildenafil tablets, despite the end of testing. The cause of failure in all of these patients were the same - they all pointed at a dramatic improvement of the quality of erections. Thus, despite the minimal impact of a new drug on the blood circulation in the myocardium, sildenafil caused a significant flow of blood to the male genitals.
Researchers pharmaceutical company "Pfizer" reacted to this unexpected property of sildenafil citrate with due care and managed to recognize in it a powerful tool to deal with erectile dysfunction. A new drug called "Viagra" - as if the name was born from the merger of the words «Vigor» (power, energy, power) and Niagara - the most powerful waterfall in North America.
The mechanism of action of "Viagra" is simple: the drug increases the amount of blood flowing into the penis. It helps a man to call a natural erection. "Viagra" is valid only when a man feels a natural sexual arousal, and when sexual intercourse is completed, the penis naturally returns to the relaxed state. In other words, the "Viagra" works only on natural mechanisms of erection and that is its undeniable novelty and secret huge popularity.
Since 1993, began long-term clinical trials necessary to demonstrate the properties of "Viagra". As a result of these tests proved the high efficiency of "Viagra" to treat impotence and high safety of the drug.
And as a natural ending - March 27, 1998 the Department of the U.S. Food and Drug Administration approved the use of "Viagra". Since then, "Viagra" offensive began its triumphant march around the world and in this short time literally blew up the planet.
The excitement was hail. During the first week of receipt of the drug Viagra for sale 247,666 prescriptions were written. The second week increased the number of afflicted more than 50,000! As a result, in 1998 alone, the company "Pfizer" Viagra sold at $ 1 billion.
The action of the drug "Viagra" was evaluated in more than 3,000 men aged 19 to 87 years in studies of erectile dysfunction conducted in all countries of the world. Duration of erectile dysfunction in these patients was an average of 5 years (range 6 months to 26 years), and erectile dysfunction were organic, psychogenic and mixed organic and psychogenic.