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Prostate Center

Benign Prostatic Hyperplasia (BPH)

Benign prostatic hyperplasia (BPH) refers to the normal enlargement of the prostate gland that occurs in men with aging. The prostate gland in adults remains a constant size until approximately age 40, when it begins to enlarge. Although BPH does not produce trouble in all men, 1 out of 4 men usually require treatment.

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How does the urinary system work?

The urinary tract begins with the kidneys. The kidneys, one on each side, sit high in the upper abdomen partially underneath the rib cage.

They filter the blood to extract excess waste products and fluid to form the urine. Urine, once formed in the kidneys, travels through a tube on each side, the ureter, down to the bladder. Urine is constantly being made by the kidneys and transported through the ureters into the bladder. The bladder stores urine until full and then empties to the outside through the urethra. The prostate, which is a gland that is part of the reproductive system, forms the first part of the urethra.

What are the symptoms of prostate enlargment?

The enlarged prostate causes trouble when it restricts the flow of urine out of the bladder. As the prostate enlarges, it crowds in on the urinary channel.

The bladder then has to work harder to overcome this increased resistance to urine flow. If the blockage is severe enough, the bladder may be unable to empty, leading to a condition called urinary retention. The onset of symptoms of BPH can be very gradual. Symptoms can include difficulty starting the flow of urine, decreased force of urination, and dribbling at the end of urination.

There may be incomplete emptying of the bladder which produces a sense of still feeling full even after attempting to pass the urine. Incomplete bladder emptying also leads to “double voiding” in which a man passes the urine and then has to urinate again within a period of 10 to 20 minutes.

Other symptoms include the need to pass urine more frequently than normal and the development of a sense of urgency, which is the need to pass the urine as soon as the urge is felt. One of the most common symptoms of BPH is being awakened from sleep to urinate.

How is the prostate checked?

The diagnosis of BPH is made in a variety of ways. The most important is careful physical examination of the prostate by the physician. This is done by inserting a gloved finger into the rectum to palpate the surface of the prostate. A blood test to measure PSA, prostate specific antigen, is done to determine if prostate cancer may be present.

A bladder sonogram or scan is often done to check post void residual (the amount of urine left behind in the bladder after voiding). If residual urine is too high and is untreated, it may predispose the patient to kidney failure, infection or bladder stones. A urinary flow study may be done to measure the rate and force of urinary flow.

Does the enlarged prostate always need treatment?

There are a variety of ways to manage BPH. One of the most common is to “wait and watch.” If the symptoms are not particularly troublesome and if there is no impending danger of damage to the urinary tract, no intervention may be necessary. Often the symptoms progress only very gradually over time. Regular follow up exams at 6-12 month intervals are recommended.

When should the enlarged prostate be treated?

There are several indications for treatment of BPH. One of the foremost is urinary retention, which is the inability of the bladder to empty any urine. Intervention is also required when the enlarged prostate impairs drainage of urine out of the bladder and there is a large postvoid residual. This residual urine can block the drainage of the kidneys and lead to inadequate kidney function. (A bladder sonogram or scan may be done to make sure the residual is not too high). Severe bleeding or recurrent urinary tract infections are also symptoms which indicate the need for intervention. By far the most common indication for treatment is when difficulty with urination becomes so troublesome that the patient needs some relief.

What pills can be used for the enlarged prostate?

When intervention is necessary it may be possible to manage BPH with medication. There are two different types of medication that can used. The first is called an alpha blocker and is designed to release the “grip” of the prostate as it crowds in on the urinary pathway.

The alpha blockers include Flomax (tamsulosin), Uroxatral (alfuzosin), Rapaflo (silodosin), Hytrin (terazosin), and Cardura (doxazosin). They reduce the compression of the urinary channel caused by the prostate. Many patients notice an immediate improvement in symptoms. Side effects can include low blood pressure, dizziness, tiredness and nasal congestion. Some men experience retrograde ejaculation, also known as dry climax. They have an orgasm but no fluid comes out (the semen backwashes into the bladder and is rinsed out with the next urination). Retrograde ejaculation does not cause any harm. Some men find retrograde ejaculation bothersome and they manage that issue by not taking their alpha blocker on the days they have sex.

The second type of medicine used to treat the enlarged prostate is designed to reduce the size of the prostate. Proscar (finasteride) and Avodart (dutasteride) are pills taken once daily on an ongoing basis. Prostate size reduces in most men. Treatment with Proscar or Avodart is most useful in men with very large prostates, and it may take 6 to 12 months of treatments until results are noticed.

What if pills do not work?

When drug therapy does not work, surgical intervention is required. The current choices of intervention include trans-urethral microwave therapy (TUMT), GreenLight laser photo vaporization of the prostate, transurethral needle ablation (TUNA), transurethral resection of the prostate (TURP), and open prostatectomy. These surgical procedures are carried out only when the above management strategies of wait and watch or drug therapy are not working.

Overall, BPH is a common condition. With appropriate urologic care and follow up it typically can be managed quite well.

UroLift

The Urolift technique is a minimally invasive procedure that can address obstruction caused by the enlarged prostate. If obstruction is relieved, there is the opportunity to notice improved urination and lessening of urinary bother.

What tests are needed to see if UroLift is for me?

To determine if a man is a candidate for the UroLift procedure, the following two tests must be done.

First, the size of the prostate has to be measured with ultrasound (or some other imaging study such as CT or MRI). The prostate has to be less than 100 cc in size to be treated with the Urolift technique.

Second, the urinary pathway, prostate and bladder need to be examined with office cystoscopy. The anatomy of the blockage caused by the prostate needs to be assessed to see if the Urolift technique will work.

Why do I need a cystoscopy? Does it hurt?

If there is “side to side” blockage of the pathway by the prostate, UroLift can be carried out. If there is a “middle lobe“ which causes the blockage, the urolift technique may not be suitable.

Although it sounds intimidating, office cystoscopy is a straightforward procedure. A numbing gel is placed in the urinary pathway. The cystoscope (a fiber optic catheter) is advanced into the urinary bladder. The procedure takes less than 60 seconds. Men worry whether it will be painful, but most note the main bother is only the 10 second sensation of the strong need to void when the catheter is first passed into the bladder.

Are there any other things that need to be done?

A third step that may be carried out to evaluate a man as a candidate for the UroLift is to keep a voiding diary. The patient measures the time and amount of each void. This provides information about the capacity of the bladder (how much does the bladder hold), and it also allows an assessment of the volume of urine produced, during both the day and the night.

For frame of reference, the bladder normally holds 300 to 400 mL (10 to 14 ounces). The normal amount of urine production is 1500 to 2000 mL (50 to 65 ounces) in a 24-hour period.

When a man is in his 20s, the amount of urine produced over night is typically only about 200 to 300 mL (with normal bladder capacity, the bladder does not fill up overnight). By the time men reach age 40, the amount of nighttime urine production can increase considerably, and in some cases there may be over 1000 mL of urine produced at night (it is this increase in the volume of urine production, in association with a reduced bladder capacity, that may cause a man to get up more frequently at night to void).

Where is the procedure done? Am I awake? Will I need a catheter?

The UroLift technique is done as an outpatient at the surgery center. It takes about 10 minutes. It is done with IV sedation (IV sedation is the same type of anesthesia used for procedures such as a colonoscopy).

Most men are able to void right after the procedure and do not need a catheter. About one in four men may require a catheter for a day or two after the procedure.

What happens during recovery?

Men can resume all of their normal activities following surgery, but should avoid heavy yard work or gym activity for 2 weeks.

During the first few weeks, there may be increased urinary bother including more frequent urination, a sense of urgency, blood in the urine, and discomfort with urination. Those symptoms typically resolve after a few weeks.

The first goal to look for postoperatively is improved urinary flow. Once the bladder is able to empty more freely, and does not have to work as hard to push urine out against obstruction, it may begin to regain its elasticity. As it regains its elasticity, it can store increased volumes (it can hold more), which may then reduce the symptoms of frequency, urgency, and increased number of nighttime urinations.

Take home message

In summary, UroLift has been a great addition to the treatments available to help improve urination in men who have difficulty with a large prostate.

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