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Bladder muscle dysfunction, also known as neurogenic bladder, is a condition where a problem with the brain, nerves, or spinal cord causes a loss of control of the bladder. This can result in the bladder not filling or emptying correctly, with symptoms such as incontinence, urinary retention, or a combination of both. Neurogenic bladder can be caused by various factors, including diseases such as multiple sclerosis, Parkinson's disease, or diabetes, as well as infections, heavy metal poisoning, stroke, or spinal cord injuries. Treatments include botulinum toxin injections, catheterization, and medications.
| Characteristics | Values |
|---|---|
| Definition | Neurological condition affecting bladder function |
| Cause | Damage to nerves connecting brain and bladder muscles |
| Symptoms | Inability to control urination, frequent urination, dribbling, urinary retention, incontinence, overflow incontinence, nervousness about going out in public |
| Risk Factors | Birth defects, pelvic surgery, illness, injury |
| Treatments | Botox injections, catheterization, oxybutynin, tolterodine, mirabegron, solifenacin succinate, urinary reconstruction, neurourology |
| Diagnosis | Urodynamic testing, cystometry, electromyography (EMG) |
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What You'll Learn
Bladder muscle dysfunction can be caused by pelvic surgery
The bladder muscle, also known as the detrusor muscle, is responsible for the bladder's ability to contract during urination and relax to store urine. Bladder muscle dysfunction, also known as pelvic floor dysfunction, can be caused by a variety of factors, including prior pelvic surgery, such as a hysterectomy or prostatectomy. Pelvic floor dysfunction is a condition where individuals cannot correctly relax and coordinate the muscles in their pelvic floor to urinate or have a bowel movement.
Pelvic surgery can lead to bladder dysfunction due to damage to nerves, vessels, or structures of the bladder or urinary system. This is particularly true for radical pelvic surgeries, such as radical prostatectomy, perineal resection, radical hysterectomy, and proctocolectomy. Bladder dysfunction following colorectal surgery, specifically, may be related to extirpative procedures in the region of the pelvic autonomic plexus. Autonomic disruption during abdominoperineal or low anterior resections can result in bladder dysfunction.
The most common bladder abnormality following radical pelvic surgery is inadequate bladder contractions for emptying, resulting in incomplete bladder emptying. This occurs due to impaired contractility, which results in insufficient contractile force to adequately empty the bladder. On urodynamic assessment, this presents as low pressure, weak, and intermittent contractions of the detrusor muscle. Other abnormalities that may contribute to voiding failures include obstruction, dyssynergia of the external sphincter or bladder neck, and high-pressure contractions of the bladder with low urine flow velocity.
Identification and preservation of the pelvic autonomic nerves during pelvic colorectal surgery have been associated with lower bladder dysfunction rates. Contemporary technical modifications have allowed surgeons to achieve oncologic control while preserving the autonomic nerves that innervate the bladder and sexual organs, reducing the incidence of postoperative bladder dysfunction. However, bladder dysfunction remains a significant complication after pelvic surgery, and symptoms may not be reliable for accurate diagnosis. Urodynamic testing is necessary to provide objective measurements of bladder and outlet function for accurate diagnosis and treatment recommendations.
Pelvic floor dysfunction resulting from bladder muscle dysfunction can be treated with physical therapy and medications. Biofeedback has been shown to help individuals with pelvic floor dysfunction gain better muscle control. It is important to stick to the recommended treatment plan and not skip therapy appointments or medications to ensure symptom improvement and prevent worsening of symptoms.
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Neurogenic bladder is a type of bladder muscle dysfunction
Bladder muscle dysfunction refers to urinary bladder problems. Neurogenic bladder is a type of bladder muscle dysfunction, wherein a person loses control of their bladder due to brain, spinal cord, or nerve problems. Neurogenic bladder is often called by the shortened term neurogenic bladder dysfunction. It refers to urinary bladder problems due to disease or injury of the central nervous system or peripheral nerves involved in controlling urination.
The muscles and nerves of the urinary system work together to hold and release urine at the right time. Nerves carry messages between the bladder and the spinal cord and brain. These messages tell the bladder muscles to either tighten or release. With neurogenic bladder, the nerves that carry messages back and forth between the bladder and the spinal cord and brain don't work as they should. This disruption in coordination can be caused by damage or diseases of the central nervous system, peripheral nerves, or autonomic nervous system.
There are multiple types of neurogenic bladder depending on the underlying cause and the symptoms. The most common symptom of neurogenic bladder is being unable to control when you urinate. Other symptoms include dribbling urine, loss of feeling that the bladder is full, and urinary incontinence. The bladder volume is usually smaller than normal due to increased muscle tone in the bladder. In some cases, the muscles of the bladder lose the ability to contract normally, causing the inability to void urine even if the bladder is full.
Treatments for neurogenic bladder depend on the cause and are aimed at preventing kidney damage. They can include medication, urinary catheters, botulinum toxin injections, and, in severe cases, surgery.
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Bladder muscle dysfunction can cause urinary retention
The bladder is a balloon-shaped organ that stores urine. It is held in place by pelvic muscles and is surrounded by a muscle called the detrusor muscle. The detrusor muscle contracts to push urine out of the bladder and into the urethra, and it relaxes to allow the storage of urine in the bladder. The detrusor muscle is controlled by the autonomic system and is composed of smooth muscle.
Bladder muscle dysfunction, or detrusor muscle pathology, can cause urinary retention. This occurs when the bladder muscles do not contract properly, leading to difficulty in emptying the bladder. This can be caused by nerve damage resulting from diseases such as multiple sclerosis (MS), Parkinson's disease, or diabetes, or from infections, heavy metal poisoning, stroke, spinal cord injury, or pelvic surgery.
In a healthy bladder, the detrusor muscle contracts in response to stimulation from the parasympathetic nervous system, which activates the muscarinic stretch receptors in the bladder through the pelvic nerve fibres. This contraction forces urine out of the bladder and into the urethra. Simultaneously, the internal urethral sphincter relaxes, allowing urine to pass out of the body.
When the bladder muscle dysfunction causes the detrusor muscle to become overactive, it can lead to urinary incontinence, with urine leaking before the individual is ready to go to the bathroom. On the other hand, when the bladder muscle is underactive, it fails to contract properly, resulting in urinary retention. This can cause a sensation of incomplete emptying, frequent voiding, and overflow incontinence.
Treatments for bladder muscle dysfunction include botulinum toxin (Botox) injections to help the muscles relax and increase urine storage capacity, medications such as oxybutynin and tolterodine, and catheterization to drain urine.
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Bladder muscle dysfunction can cause incontinence
The bladder is a balloon-shaped organ that stores urine. The bladder is held in place by pelvic muscles and is surrounded by detrusor muscle, which contracts to excrete urine and relaxes to hold urine. The detrusor muscle is controlled by the autonomic system and is composed of smooth muscle.
Bladder muscle dysfunction can occur when the bladder muscles do not function properly, leading to issues with urinary retention or incontinence. Incontinence refers to the involuntary leakage of urine. Bladder muscle dysfunction can cause involuntary urination or an inability to urinate, also known as urinary retention. This can lead to a feeling of incomplete emptying of the bladder.
There are two main types of bladder muscle dysfunction: overactive bladder and underactive bladder. In overactive bladder, the bladder muscles squeeze too often, causing urine to leak before one is ready to urinate. This can result in a sudden urge to urinate that cannot be ignored, leading to fear of leakage if a bathroom is not immediately accessible. Overactive bladder can be caused by neurological conditions such as strokes, brain disease, or Parkinson's disease.
Underactive bladder occurs when the bladder muscles do not contract properly, resulting in an inability to empty the bladder completely or at all. This can be caused by nerve damage affecting the communication between the brain and bladder. Conditions such as multiple sclerosis, Parkinson's disease, diabetes, or spinal cord injuries can lead to underactive bladder.
Bladder muscle dysfunction can significantly impact an individual's quality of life, causing anxiety about accidental leakage and limiting social activities. Treatment options are available to manage symptoms and improve bladder function, including medications, botulinum toxin injections, and catheterization.
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Botulinum toxin can be used to treat bladder muscle dysfunction
Bladder muscle dysfunction, also known as neurogenic bladder, occurs when a problem with the brain, nerves, or spinal cord causes a loss of bladder control. Symptoms include being unable to control when you urinate, urgency, frequency, and leakage.
Botulinum toxin, also known as Botox, can be injected into the bladder or urinary sphincters to help the muscles relax, thereby increasing the volume of urine that can be stored and reducing symptoms of urgency, frequency, and leakage. This treatment has been shown to be safe and effective for both adults and children.
The procedure involves injecting botulinum toxin into the detrusor muscle, which is responsible for contracting during urination to push urine out of the bladder and relaxing to allow for urine storage. The injections are performed under local anesthesia, and patients typically experience minimal discomfort. The optimal dose is still under investigation, but most studies have used between 100 and 300 units of Botox, with some studies suggesting that a higher dose of 400 units may be more effective.
Botulinum toxin injections offer a minimally invasive alternative to patients with severe overactive bladder symptoms who have not responded to anticholinergic drugs or other treatments. It is important to note that while botulinum toxin injections can be an effective treatment for bladder muscle dysfunction, they may not work for everyone, and long-term observational studies are needed to fully understand their efficacy and durability.
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Frequently asked questions
Bladder dysfunction, also known as neurogenic bladder, occurs when a problem with the brain, nerves, or spinal cord causes a loss of bladder control. This can lead to nerve damage, resulting in conditions such as multiple sclerosis, Parkinson's disease, or diabetes.
Bladder muscle dysfunction can be caused by various factors, including birth defects, infections of the brain or spinal cord, heavy metal poisoning, stroke, spinal cord injury, or major pelvic surgery.
The symptoms of bladder muscle dysfunction can vary depending on the individual and the type of nerve damage. However, common symptoms include overactive bladder, incontinence, and underactive bladder or obstructive bladder.
There are several treatment options available for bladder muscle dysfunction, including botulinum toxin injections, continuous catheterization, medications, self-catheterization, and urinary reconstruction or diversion surgeries.
