often has emergency patients: "I suddenly couldn't urinate today. I feel uncomfortable now. After taking the medicine, I barely pulled a few drops. I still feel very uncomfortable now. What should I do?"
After roughly understanding the condition, I considered that the patient was prostatic hyperplasia and acute urinary retention of . I tried catheterization to relieve urinary tract obstruction and restore urination.
So what is acute urinary retention?
Acute urinary retention (AUR) refers to acutely occurring full of urine and cannot be excreted. It is often accompanied by pain and anxiety caused by obvious urinary urgency. Not only that, after acute urinary retention, the patient's lower abdomen will gradually swell due to excessive bladder , and cause severe swelling and pain, causing the patient to feel pain. Clinically, it is common for elderly patients with prostate hyperplasia and requires emergency treatment.
How does acute urinary retention occur?
Acute urinary retention can cause great pain to patients, and how to prevent it has become the most concerned issue. Before we talk about how to prevent it, let’s first understand how it happens.
Urgent urination is a complex process under the control of the nervous system. When the "command" ( nerve center ) issues a "command", the detrusor muscle of the bladder begins to contract, increasing the pressure in the bladder. At the same time, the valve of the prostate is controlled and opens, and the pressure in the urethra drops. Once the pressure in the bladder is greater than the pressure in the urethra, urine is excreted from the body.
acute urinary retention is most common in patients with prostate hyperplasia. For patients with prostate hyperplasia, due to the enlargement of the prostate and its internal smooth muscle tension, the pressure of urethra is higher than that of ordinary people (simplely understood, the valve is tightly twisted).
(If prostate hyperplasia is not treated promptly and correctly, many complications may occur. Among these complications, acute urinary retention is the most serious, which will cause great pain to the patient.)
At the same time, due to the long-term urinary difficulties in urination and urinary flow obstruction, the function of the bladder detrusor muscle is more or less damaged, so the pressure in the bladder has also decreased.
One rises and the other goes down. Even if the superior "command" issues instructions, the bladder detrusor muscle is weak and cannot expel urine from the body, which causes acute urinary retention.
Generally, patients with benign prostatic hyperplasia can urinate normally, but acute urinary retention will only occur when some special circumstances cause the detrusor pressure to be further reduced or the urethral pressure to be further increased.
System and preventive measures for acute urinary retention and prevention measures
1. Drug effects and prevention
Some drugs for treating other diseases may induce acute urinary retention, such as some drugs containing α1 receptor stimulants for treating colds, which may induce acute urinary retention after taking it.
In addition, there is another clinical drug - cholinergic receptor blocker, which is often used to treat intestinal spasm, renal colic, etc. These drugs can reduce the bladder's contraction ability, so it may also lead to acute urinary retention after taking the drug.
It is recommended that patients with prostate hyperplasia inform their doctor of their own condition before purchasing drugs and let the doctor determine whether it is suitable for taking it.
It is best to read the instructions in detail before taking some common drugs and use them with caution if they are marked with prostate.
2. Other causes of diseases and prevention
cerebral infarction , cerebral thrombosis and other central diseases affect the urination center, which will directly affect the coordination of urination and often lead to acute urinary retention. Constipation, pelvic infection and other diseases can lead to pelvic congestion, prostate edema, and decreased bladder function will also cause urinary retention of .
In addition, acute urinary retention may also occur after urethral stenosis, urethral trauma, transurethral operation and some surgeries.
These conditions can only be achieved by actively preventing and treating the inducible disease to avoid the occurrence of acute urinary retention.
3. Bad living habits
Drinking and sitting for a long time can cause pelvic congestion and increase urethral pressure. Some patients have the habit of holding urine, which will lead to excessive bladder filling and decreased pressure from detrusor muscles. These habits will induce acute urinary retention.
