Erectile Dysfunction After External Beam Radiotherapy For Prostate Cancer

Author: admin / Category: Erectile Dysfunction

Currently, the most common curative treatment options for men with localized prostate cancer are radical prostatectomy, external beam radiotherapy and interstitial permanent brachytherapy and radical prostatectomy. Treatment decisions should particularly consider the specific risk and toxicity profile of a treatment method.

There is a lack of prospective studies focusing on the sexual quality of life of prostate cancer patients before and after a definitive conformal radiotherapy from the patients’ perspective. The aim of this study was to assess prospectively the incidence of erectile and predictive factors in a patient population treated with the same radiotherapy technique and a homogenous dose level, without antiandrogen treatment before radiotherapy or in the follow-up period. Patient age, comorbidities, prostate volume, planning target volume, pre-treatment sexual function and treatment of erectile dysfunction have been considered.

As with other studies, this study supports a progressively decreasing sexual function with longer follow-up intervals due to chronic radiotherapy effects, patient age and comorbidities. A stable level cannot be expected in a population of men with prostate cancer. However, chronic erectile dysfunction can very well be predicted shortly after radiotherapy, so that erectile dysfunction cannot only be regarded as a chronic effect of irradiation. As common after radical prostatectomy, the initiation of an early treatment could result in improved erectile function after radical radiotherapy.

Patient age and sexual function are the most important prognostic factors for the return of potency after radical prostatectomy. As shown in our study, these factors are equally of major importance after radiotherapy. The best predictor for preserving erections sufficient for sexual intercourse is the occurrence of spontaneous erections in the morning or night, before treatment. Diabetic patients are not only predisposed for erectile dysfunction before radiotherapy, but additionally for post- radiotherapy acquired erectile dysfunction.

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Impotence - Risk Factors and Treatment for Ed

Author: viagra soft / Category: Erectile Dysfunction

Over the years men complain of two distinct sexual problems: lack of desire and impotence. Impotence or erectile dysfunction is the inability to hold an erection long enough to pursue in sexual intercourse. Erectile dysfunction (ED) can be a total inability to achieve erection, an inconsistent ability to do so, or a tendency to sustain only short erections.
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Erection begins with sensory and mental stimulation. Under normal conditions, when a man is sexually stimulated, his brain sends a message down the spinal cord and into the nerves of the penis. The nerve endings in the penis release chemical messengers called neurotransmitters that signal the corpora cavernosa (the two spongy rods of tissue that span the length of the penis) to relax and fill up with blood. As the penis becomes congested with blood, it enlarges and stiffens, causing an erection.

Surgical operation can wound nerves and arteries close to the penis making man an impotent. Also, between 35 and 50 percent of men with diabetes experience impotence. Many common medicines produce impotence as a side effect. Injury to the penis, spinal cord, prostate, bladder, and pelvis can lead to impotence by harming nerves, smooth muscles, arteries, and fibrous tissues of the corpora cavernosa. Other possible causes of impotence are smoking, which affects blood flow in veins and arteries, and hormonal abnormalities, such as insufficient testosterone. Physicians believe that psychological factors cause 10 to 20 percent of cases of impotence. A small percentage of men experience sporadic and situational impotence.

Risk factors

Men with diabetes, smoking, taking drugs or older than 50 years of age are particularly at risk for impotence.    Cheap Viagra Soft

For instance men with diabetes are at risk because of their high risk of both atherosclerosis and a nerve disease called diabetic neuropathy. Age seems to be a strong indirect risk factor in that it is associated with increased likelihood of direct risk factors, some of which are listed above. Some medications can contribute to impotence, as can some operations and radiotherapy treatments.Years ago, the standard treatment for impotence was a penile implant or long-term psychotherapy. Today there are these popular methods: vacuum devices, oral drugs, locally injected drugs, and surgically implanted devices. Gene therapy for ED is now being tested in several centers and may offer a long-lasting therapeutic approach for ED. Because ED can take a toll on a man’s self-esteem, sex therapy is increasingly being recommended as a form of treatment on its own or in combination with other medical remedies. If your impotence problems are caused by low levels of testosterone then hormone therapy can be given in the form of injections or patches. Testosterone substitution therapy may improve energy, mood, and bone density, increase muscle mass and weight, and heighten sexual interest in older men who may have deficient levels of testosterone. Psychotherapy can also be valuable to men who are trying to overcome non psychological impotence. Hydrotherapy (cool showers, for instance) can also be effective for ED.

Viagra Soft Tabs

The most common ED treatment today is with the prescription drug sildenafil citrate, sold under the brand name Viagra Soft tabs. Perhaps the most publicized advance was the introduction of the oral drug sildenafil citrate (Viagra Soft tabs) in March 1998.

Impotence, often called erectile dysfunction, refers to the males inability to achieve or maintain an erection long enough to engage in sexual intercourse. Impotence is distinguished from sterility (inability to produce sperm adequate for reproduction). Impotence usually has a physical cause, such as disease, injury, or drug side-effects. Impotence can be treatable in all age groups. Viagra Soft Online.

The science of erections

Author: viagra soft / Category: Erectile Dysfunction

An erection happens when the penis fills with blood and gets hard. The penis has 2 main chambers that run along side the top of the penis shaft. This area, the corpora cavernosa, is made up of spongy tissue, veins, arteries, spaces, and smooth muscles that hold in-flowing blood.

Erections happen when more blood flows into the penis and less blood flows out. The erection process is perfectly normal and can happen at any time throughout the day.

Most healthy males get erections during REM (rapid eye movement) sleep (the time of sleep when dreams happen). Also, erections when waking up are a sign of good penis health.

Usually, erections happen during physical arousal or fantasizing, but other things can cause it to occur. Such causes include pressure on the genital area and pressure from the urinary bladder from the need to urinate.

For an erection to happen, some kind of stimulation makes the brain and penile nerves to get excited. They tell the smooth muscles of the corpora cavernosa to let blood in, and stop blood from flowing out. This has the effect of expanding the penis size.

As the penis gets larger in length and girth, it is normal for it to rise at an angle. This angle is usually anywhere from parallel to the floor to pointing almost straight upward.

Sometimes men are stressed out and can’t get an erection. This is just the body’s way of dealing with stress (or the “fight-or-flight” response). Worrying about a small penis size or having an unattractive partner can make it impossible for a man to keep an erection.

Other things that affect erections are: the amount of sleep a guy gets, how active he is, and in general, age causes changes in hormone levels, like testosterone.

Erection problems

If a man can’t keep an erection for 25% of the time, he may have erectile dysfunction, or ED. Treatments for erectile dysfunction can include penile injections, vacuum pumps, surgery, prosthetic devices, Viagra, hormone therapy, counseling, and natural penis exercises.

Some of these methods try to physically help a guy get an erection, while others improve his sex drive so he can perform better.

Methods like injections, prosthetic devices, and vacuum pumps do not require arousal, as they are based on an automatic response.

Other methods like pills and the natural exercises improve the blood flow into the penis, and make erections possible upon sexual arousal. Some pills work each time you take them, while others work for more long lasting benefits.

Regular erections are a natural part of good male sexual health. The ability to get erections decreases with age, but there are things men can do to improve themselves.

Viagra - How it Stimulates and Enhances Erections

Author: admin / Category: ED Pills, Enhance Erection, Erectile Dysfunction, Viagra Soft

Many men suffer from erectile dysfunction (ED) — the inability to achieve and sustain an erection long enough to have enjoyable and fulfilling sex. For a variety of reasons ED is most common in men over 45. The sex drive is often lowered even further in older men who are taking medications of various kinds.

Most of us assume the sex drive gradually diminishes as we get older, so we are prepared to accept ED as a natural condition. But the fact is, the inability for many men to sustain an erection may be more the result of treatable physical conditions rather than an actual loss of sex drive.

Until the early 1980s most people — including most trained urologists — assumed that ED was basically a mental or psychological problem. But in 1983 at a presentation to the American Urological Association, Dr. Giles Brindley demonstrated that a penis could be made erect by injecting it with the drug phentolamine. In a public demonstration, he used his own penis to make the point.

Brindley had discovered that the penis could be made erect by relaxing the normally consricted blood vessels leading into it. Once the blood vessels are relaxed, they let in more blood and the penis inflates something like a balloon to form an erection.

So gradually it came to be accepted that ED is the result of physical changes in the adult male — not primarily mental or psychological conditions.

Cheap Viagra Soft - Controlling the Penile Valve

Phentolamine the drug used by Dr. Brindley to give himself a public erection — started to be used with some success in the 80’s and 90’s, but there are two problems with phentolamine. First, it is not selective enough to target only the penis, so its effects on other parts of the body are unpredictable. And second, the erections it creates are not brought on by sexual stimulation. You can get an erection any old time with phentolamine, and you will continue to have one until the effect of the drug wears off.

Cheap Viagra Soft was the first drug that overcame these two problems. (It was introduced in 1998 by the Pfizer company. The active ingredient in cheap Viagra Soft is sildenafil citrate.) Cheap Viagra Soft does not work by relaxing the blood vessels of the penis. Instead it enhances the natural processes that take place when a man is sexually stimulated. It does this by controlling what we might call the “Softeners” — the chemicals in the body designed to make the penis go soft after an erection.

It works something like this. When a man is sexually stimulated his brain sends signals that trigger the production of chemicals that relax the blood vessels in the penis. Think of these as “Hardeners“. As the blood vessels are relaxed by the production of Hardeners, blood flow increases and the penis goes erect.

But nature has also designed a way for the erection to gradually subside. At the same time as Hardeners are being produced to relax the blood vessels, the body is also producing Softeners to break down and neutralize the Hardeners. These are an enzyme known as phosphodiesterase (PDE5).

As long as the sexually stimulated male is producing more Hardeners than Softeners, the penis will remain erect. But as soon as the production of Hardeners starts to go down, the Softeners will get the upper hand, and the erection will start to fizzle.

It is now generally assumed that ED is caused by an imbalance of Hardeners and Softeners. The body is either not producing enough Hardeners, or too many Softeners. Either way, the result is the inability to sustain an erection.

What Viagra Soft Tab does is block the production of Softeners. This allows the Hardeners to build up in the blood vessels of the penis and create hard, sustained erections.

The beauty of the process is that nothing happens without sexual stimulation. Viagra Soft does not take the place of stimulation. Instead, it simply lets the natural chemicals created by sexual stimulation do their work. After sex, when the brain is no longer creating Hardeners, the erection subsides naturally. And when the effects of Viagra Soft online wear off - normally after 4 or 5 hours — the normal processes are restored to the way they were before taking the drug.

Of course, as with any drug, there are potential side effects. Viagra Soft should not be taken if you are taking any nitrate-based drug, including nitroglycerin or if you are on any blood pressure or heart medication, as combining Viagra Soft Tabs with these drugs can cause a severe drop in blood pressure. Also, if you have any liver or kidney problems it is not recommended that you buy Viagra Soft.