Erectile dysfunction

Not all cases of male impotence have the same origin.

When we reach a certain age we begin to experience that our body does not respond as it used to and that the strength is perhaps not the same as it was a few years ago. However, all these things have an explanation and a solution, if you are starting to suffer from erection problems or notice that maybe it is not as powerful as before, it is likely that you are suffering from some of the causes of erectile dysfunction that we will explain in this article.

Penile erection is a complex physiological mechanism that involves many factors: an initial stimulus that favors sexual arousal, nerve pathways, release of vasodilators, blood filling in the corpora cavernosa and hardening of the penis that allows penetration until reaching orgasm and ejaculation. From this, we can say that ED can have different origins:

  • Vascular problems (the most frequent cause)
  • Diabetes
  • Venous leakage (more frequent in young people)
  • Psychogenic impotence
  • Peyronie's disease
  • Neurological origin

Although it may seem surprising to many, erectile dysfunction is a highly prevalent condition. According to a very recent article published in the prestigious scientific journal Nature, clinical experts have proven that:

"The prevalence of erectile dysfunction is approximately 52% in men aged 40 to 70 years, and the population is estimated to reach 322 million by 2025."

What is erectile dysfunction or impotence?

Male impotence, formally known as erectile dysfunction, is the difficulty or inability to achieve and/or maintain a prolonged or sufficiently rigid penile erection to maintain satisfactory sexual activity for oneself and one’s partner.

Beyond being the main cause of male sexual dysfunction, erection problems are capable of deteriorating men’s quality of life in a remarkable way. In addition to causing relationship problems, it corrupts a man’s confidence and destroys his self-esteem.Erectile dysfunction is a real disease that can and should be treated by experienced urologists and andrologists. Regardless of the cause, there is a treatment for each case:

  • Oral drugs (sildenafil, tadalafil)
  • Intracavernous injections
  • Intraurethral suppositories
  • Shock waves
  • Reconstructive vascular microsurgery
  • Correction of venous leakage
  • Penile prosthesis implantation

The male member is composed of two cavernous bodies and a spongy body which, when filled with blood, increase in size providing the necessary rigidity to make penetration possible during sexual intercourse. The genesis of erectile dysfunction is based on a circulatory deficit within the cavernous tissue.

The corpora cavernosa are two sponge-like rods of tissue or “tiny caves” with thousands of blood vessels. During erection, these capillaries dilate and blood enters while the venules (which drain the blood) constrict to prevent blood from escaping the penis. The result: blood accumulates in both corpora cavernosa and the penis becomes hard.

Erection is a combined task involving the central nervous system in close cooperation with the circulatory system, and a disturbance at any level of this mechanism can lead to erectile dysfunction.

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What are the causes of erectile dysfunction?

The vascular cause is the most important cause of erectile dysfunction (ED) where about 60% of all men with ED have one or more cardiovascular risk factors such as diabetes, dyslipidemia or hypertension.

However, this male condition can be originated or accentuated by multiple causes, especially when the individual leads unhealthy lifestyles.among the most common causes of erectile dysfunction (ED) are:

Although 20% of all men over 20 years of age suffer from erectile dysfunction, the prevalence of this disease is much higher in men over 40 years of age where many factors converge and cause the problem (cell damage, endothelial injury, decrease in male hormones, etc.). Age is the main non-pathological cause of erectile problems.

Diabetes causes such diverse alterations in the organism that it is difficult to determine exactly which of them causes erectile dysfunction. In fact, it is estimated that 52% of diabetic men in the world (regardless of their age) present erectile dysfunction of any intensity. However, diabetes alone does not generate the problem since it has been observed that patients who adequately manage their disease are unlikely to develop erectile dysfunction.

Diabetic neuropathy is a serious complication of diabetes in which the body’s nerves begin to become damaged, decreasing the quantity and quality of electrical impulses that communicate one region of the nervous system to another, including the penis. In this condition, the person begins to experience skin desensitization, progressive muscle paralysis and lethargy.

The relationship between blood cholesterol and LDL levels is proportional to the risk of atherosclerosis and endothelial damage in the body’s blood vessels, especially in the penis, where these structures are very thin and susceptible to injury.

As there is more LDL cholesterol in the blood and less HDL (better known as “good cholesterol”), the former tend to bind to each other in the walls of the arteries and cause damage to the endothelium, clogging the blood vessel and hardening it. As a result, it is more difficult for blood to flow freely and nourish the tissues.

This is key in erectile dysfunction, where the blood vessels in the penis are damaged and do not dilate enough to allow erection.

Arterial hypertension has a high prevalence among the population, not only among women and men but also among young individuals. This is due to many factors but mainly genetics, high salt intake, diabetes and dyslipidemias. Hypertension is almost always accompanied by poorly controlled diabetes, atherosclerosis and heart problems.

With the passage of time and as with the previous causes, the high tension exerted by the blood on the walls of the body’s blood vessels promotes damage to the endothelium (endothelial dysfunction) leading to problems for this layer to regenerate, produce substances, exchange nutrients to and from the blood and tissues, and react to physiological mechanisms such as penile erection.

Why the prostate, the reason is simple. This walnut-sized male organ has a close anatomical relationship with the nerves leading to the penis from the central nervous system.

If the prostate becomes inflamed as in prostatitis (almost always of infectious origin), benign prostatic hyperplasia (BPH) or tumors of the gland (prostatic carcinoma), these nerves can become so compressed that they no longer innervate the penis and thus prevent erection and sensation of the penis even when no vascular problems are present.

It is also very common that after prostate surgeries, some of these nerves are accidentally cut and the penis loses innervation. This is why it is so important to monitor the gland, especially after the age of 40, which is when a man should visit the urologist at least once a year.

Occasionally, the mind can end up blocking the nervous and hormonal processes that enable erections. Updated evidence suggests that this tends to happen more often in young men. The main culprits of psychogenic erectile dysfunction are the following:

  • Performance anxiety
  • Couple conflicts
  • Locker room syndrome or penile dysmorphic disorder

If this happens for a limited period of time, there are no major consequences. However, if the problem is prolonged, it is necessary to seek professional help from a urologist, andrologist or a mental health expert. In addition, communication as a couple is usually an excellent tool to pave the way and find a solution.

The pelvic and genital area of men is very exposed to injuries and blows, especially in athletes or those who work with heavy loads at work.

Although it may be hard to believe, some trauma to the lower abdomen, penis, testicles or lumbar back can cause injury to the nerves leading to the penis, decreasing the innervation of that area and the ability to respond to stimuli.

Alcohol is one of the substances that in excess can cause erectile dysfunction.

Alcohol can not only depress the central nervous system (as it activates GABA receptors, an inhibitory neurotransmitter) but can also produce and aggravate endothelial damage due to diabetes, arterial hypertension or dyslipidemia.

In men with erectile dysfunction it is advisable to reduce their alcohol consumption to the minimum possible, especially while trying some treatments.

Smoking causes so many problems in the body that it is difficult to describe its role in the development of erectile dysfunction. Most likely, this has to do with damage to the endothelium of the penile blood vessels, degeneration of the peripheral nerves, accumulation of toxic substances (beyond nicotine there are hundreds of chemicals harmful to the tissues) and an obvious decrease in oxygenation to the cells.

Hard drugs can also cause severe imbalances in the central nervous system and the way it processes information. Almost all men with hard drug dependence experience erectile dysfunction to any degree, depending on the type of drug, the dosage and the length of time on the drug.

This disease occurs when at some point in the tunica albuginea that covers the corpora cavernosa of the penis, a fibrotic process develops that is not very elastic and retracts the member when there is an erection, bending it and making penetration difficult.

The penis can become so curved with Peyronie’s disease that erection pain can occur. This causes many men to experience fear of just having an erection, resulting in erectile dysfunction.

Peyronie’s curvature and erectile dysfunction go hand in hand, when one of them worsens, so does the other. For this reason, both must be treated simultaneously to achieve results. However, Peyronie’s disease may be so advanced that there is no other option but to resort to surgery.

In which cases is penile prosthesis indicated?

Penile implants are presented as an avant-garde solution, capable of offering a definitive cure for erectile dysfunction. Thanks to advances in design technology and the latest surgical techniques, penile prostheses are now comfortable, effective and easy to use devices. Forming a natural erection without the need for drugs, injections or manual devices, has changed the lives of hundreds of thousands of men around the world.

The safest indication for a penile prosthesis is when the erectile dysfunction is irreversible. Itis alsoindicated when less invasive treatments (drugs, intracavernous injections, shock waves, etc.) are insufficient or have become too complicated and uncomfortable for the patient after a considerable time of using them.

These are some of the most common indications:

  • Diabetic neuropathy
  • Severe endothelial dysfunction
  • Penile nerve injuries
  • Severe cases of Peyronie's disease

Is it possible to opt for a penile prosthesis if I have Peyronie's disease?

Yes, in fact, it is a very frequent intervention in all our Andromedi centers throughout Spain (Madrid, Seville, Tenerife and Marbella). It should be noted that the coexistence of Peyronie’s disease with weak erections is more frequent than it seems. In a way, erection problems are part of the natural history of Peyronie’s disease.

When the fibrous plaque of the tunica albuginea increases the angle of curvature, it can make erections painful, in the long term Peyronie’s disease can be further aggravated leading to erectile dysfunction, which ultimately makes sexual intercourse impossible. Fortunately, both problems can be treated in the same surgical procedure.

If a Peyronie’s patient is confirmed to be unresponsive to previous treatments and is therefore a candidate for a prosthesis, it will be, for us, a good opportunity to rectify, lengthen and enlarge the penis (in the same surgical procedure in which the implant is inserted). To achieve this, it is necessary that the surgeon has sufficient experience to achieve lasting, safe and realistic results.

According to a paper recently published in the official journal of the International Society for Sexual Medicine (ISSM), updated evidence suggests that the combined surgery of penile prosthesis implantation and correction of the acquired curve is safe:

"Penile prosthesis implantation combined with a curve correction technique using grafting is a safe and highly effective surgical procedure in patients with Peyronie's disease and concomitant erectile dysfunction."

It is very important that the patient himself is also aware of the personal causes of erectile dysfunction. In the case of bad eating habits, excessive consumption of tobacco, drugs and alcohol, or suffering from a high level of stress, the patient himself must consider a vital change and take a first step.

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