Ailmemts & Remedies

Amyotrophic Lateral Sclerosis(ALS)

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Amyotrophic lateral sclerosis (ALS, sometimes called Lou Gehrig’s Disease, Maladie de Charcot or motor neurone disease) is a progressive, fatal, neurodegenerative disease caused by the degeneration of motor neurons, the nerve cells in the central nervous system that control voluntary muscle movement. The disorder causes muscle weakness and atrophy throughout the body as both the upper and lower motor neurons degenerate and die, ceasing to send messages to muscles. Unable to function, the muscles gradually weaken, atrophy, and develop fasciculations (twitches) because of denervation. Eventually, the brain completely loses its ability to initiate and control voluntary movement. The disease does not necessarily debilitate the patient’s mental functioning in the same manner as Alzheimer’s disease or other neurological conditions. Rather, those suffering advanced stages of the disease may retain the same memories, personality, and intelligence they had before its onset. Famous people to suffer from it include American baseball star Lou Gehrig, Neo-Classical metal guitarist Jason Becker, British theoretical physicist Stephen Hawking and British musicologist Stanley Sadie.

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……………………..ALS is also known as Lou Gehrig’s disease, after the famous baseball player who died of the disease in 1941

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Renowned scientist Stephen Hawking suffers from amyotrophic lateral sclerosis. (copied from:

The word amyotrophic is present Greek in origin. A means no or negative, myo refers tomuscle, and trophic means nourishment. When put together it means “no-muscle-nourishment.”Lateral identifies the areas of the spinal cord where portions of the nerve cells that signal and control the muscles are located. As this area degenerates it leads to scarring or hardening (sclerosis) in the region.

Epidemiology, causes and risk factors:
ALS is one of the most common neuromuscular diseases worldwide, and people of all races and ethnic backgrounds are affected. Between 1 to 2 people per 100,000 develop ALS each year . ALS most commonly strikes people between 40 and 60 years of age, but younger and older people can also develop the disease. Men are affected slightly more often than women. ALS is classified into three general groups, familial ALS, sporadic ALS and Guamanian ALS.

“Familial ALS” accounts for approximately 5%-10% of all ALS cases and is caused by genetic factors. Of these approximately 10% are linked to a mutation in Superoxide dismutase (SOD1), a copper/zinc dependant dismutase that is responsible for scavenging free radicals.
Most of the remaining 90-95% of cases are classified as “sporadic ALS” and have no known hereditary component.
A third type, called “Guamanian ALS”, represents a small cluster of cases concentrated on the Pacific island of Guam.
Although there have been reports of several “clusters” including three American football players from the San Francisco 49ers, three soccer-playing friends in the south of England, and reports of conjugal (i.e., husband and wife) cases in the south of France , these are statistically plausible chance events. Although many authors consider ALS to be caused by a combination of genetic and environmental risk factors, so far the latter have not been firmly identified, other than a higher risk with increasing age.

Cause and risk factors:
Scientists have not found a definitive cause for ALS and the onset of the disease can belinked to a variety of risk factors. It is believed that one or more of the followingfactors are responsible for the majority of ALS cases. Researchers suspect a virus, exposureto neurotoxins or heavy metals, DNA defects (especially in familial ALS), immune systemabnormalities, and enzyme abnormalities as the leading causes of the disease. There is a hereditary factor in familial ALS (FALS) however there is no known hereditary component in the 90-95% cases diagnosed as sporadic ALS.

A few causative factors have been discovered. Prolonged exposure to a dietary neurotoxin is the suspected risk factor in Guamanian ALS. The neurotoxin is a compound (a sterol beta-D-glucoside) found in the seed of the cycad Cycas circinalis, a tropical plant found in Guam, which was used in the human food supply during the 1950s and early 1960s. An inherited genetic defect linked to a defect on chromosome 21 is believed to cause approximately 40% of familial ALS cases. This mutation is believed to be autosomal dominant.

The children of those diagnosed with familial ALS have a higher risk factor for developing the disease, however those who have close family members diagnosed with sporadic ALS have no greater a risk factor than the general population .

According to The ALS Association, military veterans are at an increased risk of contracting ALS. In its report ALS in the Military, the group pointed to an almost 60% greater chance of the disease in military veterans than the general population.

The onset of ALS may be so subtle that the symptoms are frequently overlooked. The earliest symptoms may include twitching, cramping, or stiffness of muscles; muscle weakness affecting an arm or a leg; and/or slurred and nasal speech. These general complaints then develop into more obvious weakness or atrophy that may cause a physician to suspect ALS.

The parts of the body affected by early symptoms of ALS depend on which muscles in the body are damaged first. About 75% of people experience “limb onset” ALS. In some of these cases, symptoms initially affect one of the legs, and patients experience awkwardness when walking or running or they notice that they are tripping or stumbling more often. Other limb onset patients first see the effects of the disease on a hand or arm as they experience difficulty with simple tasks requiring manual dexterity such as buttoning a shirt, writing, or turning a key in a lock.

About 25% of cases are “bulbar onset” ALS. These patients first notice difficulty speakingclearly. Speech becomes garbled and slurred. Nasality and loss of volume are frequently the first symptoms. Difficulty swallowing, and loss of tongue mobility follow. Eventually total loss of speech and the inability to protect the airway when swallowing are experienced.

Regardless of the part of the body first affected by the disease, muscle weakness and atrophy spread to other parts of the body as the disease progresses. Patients experienceincreasing difficulty moving, swallowing (dysphagia), and speaking or forming words (dysarthria). Symptoms of upper motor neuron involvement include tight and stiff muscles(spasticity) and exaggerated reflexes (hyperreflexia) including an overactive gag reflex. An abnormal reflex commonly called Babinski’s sign (the large toe extends upward as the sole of the foot is stimulated) also indicates upper motor neuron damage.

Symptoms of lower motor neuron degeneration include muscle weakness and atrophy, muscle cramps, and fleeting twitches of muscles that can be seen under the skin (fasciculations). Around 15–45% of patients experience pseudobulbar affect, also known as “emotional lability”, which consists of uncontrollable laughter or crying.

To be diagnosed with ALS, patients must have signs and symptoms of both upper and lower motor neuron damage that cannot be attributed to other causes.Although the sequence of emerging symptoms and the rate of disease progression vary from person to person, eventually patients will not be able to stand or walk, get in or out of bed on their own, or use their hands and arms. Difficulty swallowing and chewing impair the patient’s ability to eat normally and increase the risk of choking. Maintaining weight will then become a problem. Because the disease usually does not affect cognitive abilities,patients are aware of their progressive loss of function and may become anxious and depressed. A small percentage of patients go on to develop frontotemporal dementia characterized by profound personality changes; this is more common amongst those with a family history of dementia. A larger proportion of patients experience mild problems with word-generation, attention, or decision-making. Cognitive function may be affected as part of the disease process or could be related to poor breathing at night (nocturnal hypoventilation). Health care professionals need to explain the course of the disease and describe available treatment options so that patients can make informed decisions in advance.

As the diaphragm and intercostal muscles weaken, forced vital capacity and inspiratorypressure diminish. In bulbar onset ALS, this may occur before significant limb weakness is apparent. Bilevel positive pressure ventilation (frequently referred to by the tradename BiPAP) is frequently used to support breathing, first at night, and later during the daytime as well. It is recommended that long before BiPAP becomes insufficient, patients (with the eventual help of his/her family) must decide whether to have a tracheostomy and long term mechanical ventilation. Most patients do not elect this route, and instead choose palliative hospice care at this point. Most people with ALS die of respiratory failure or pneumonia, not the disease itself.

ALS predominantly affects the motor neurons, and in the majority of cases the disease does not impair a patient’s mind, personality, intelligence, or memory. Nor does it affect aperson’s ability to see, smell, taste, hear, or feel touch. Control of eye muscles is themost preserved function, although some patients with an extremely long duration of disease(20+ years) may lose eye control too. Unlike multiple sclerosis, bladder and bowel control are usually preserved in ALS, although as a result of immobility and diet changes, intestinal problems such as constipation can require intensive management.

No test can provide a definite diagnosis of ALS, although the presence of upper and lowermotor neuron signs in a single limb is strongly suggestive. Instead, the diagnosis of ALS is primarily based on the symptoms and signs the physician observes in the patient and a series of tests to rule out other diseases. Physicians obtain the patient’s full medical history and usually conduct a neurologic examination at regular intervals to assess whether symptoms such as muscle weakness, atrophy of muscles, hyperreflexia, and spasticity are getting progressively worse.

Because symptoms of ALS can be similar to those of a wide variety of other, more treatable diseases or disorders, appropriate tests must be conducted to exclude the possibility of other conditions. One of these tests is electromyography (EMG), a special recording technique that detects electrical activity in muscles. Certain EMG findings can support the diagnosis of ALS. Another common test measures nerve conduction velocity (NCV). Specific abnormalities in the NCV results may suggest, for example, that the patient has a form of peripheral neuropathy (damage to peripheral nerves) or myopathy (muscle disease) rather than

ALS. The physician may order magnetic resonance imaging (MRI), a noninvasive procedure that uses a magnetic field and radio waves to take detailed images of the brain and spinal cord. Although these MRI scans are often normal in patients with ALS, they can reveal evidence of other problems that may be causing the symptoms, such as a spinal cord tumor, multiple sclerosis, a herniated disk in the neck, syringomyelia, or cervical spondylosis.

Based on the patient’s symptoms and findings from the examination and from these tests, the physician may order tests on blood and urine samples to eliminate the possibility of other diseases as well as routine laboratory tests. In some cases, for example, if a physician suspects that the patient may have a myopathy rather than ALS, a muscle biopsy may be performed.

Infectious diseases such as human immunodeficiency virus (HIV), human T-cell leukemia virus (HTLV), Lyme disease, syphilis[8] and tick-borne encephalitis [9]viruses can in some cases cause ALS-like symptoms. Neurological disorders such as multiple sclerosis, post-polio syndrome, multifocal motor neuropathy, and spinal muscular atrophy also can mimic certain facets of the disease and should be considered by physicians attempting to make a diagnosis.

There have been documented cases of a patient presenting with ALS-like symptoms, having a positive Lyme titer, and responding to antibiotics. Because of the prognosis carried by this diagnosis and the variety of diseases or disorders that can resemble ALS in the early stages of the disease, patients may wish to obtain a second neurological opinion.

A study by researchers from Mount Sinai School of Medicine identified three proteins that are found in significantly lower concentration in the cerebral spinal fluid of patients with ALS than in healthy individuals. This finding was published in the February 2006 issue of Neurology. Evaluating the levels of these three proteins proved 95% accurate for diagnosing ALS. The three protein markers are TTR, cystatin C, and the carboxyl-terminal fragment of neuroendocrine protein 7B2). These are the first biomarkers for this disease and may be first tools for confirming diagnosis of ALS. With current methods, the average time from onset of symptoms to diagnosis is around 12 months. Improved diagnostic markers may provide a means of early diagnosis, allowing patients to receive relief from symptoms years earlier.

No cure has yet been found for ALS. However, the Food and Drug Administration (FDA) has approved the first drug treatment for the disease: Riluzole (Rilutek). Riluzole is believed to reduce damage to motor neurons by decreasing the release of glutamate. Clinical trials with ALS patients showed that riluzole prolongs survival by several months, and may have a greater survival benefit for those with a bulbar onset. The drug also extends the time before a patient needs ventilation support. Riluzole does not reverse the damage already done to motor neurons, and patients taking the drug must be monitored for liver damage and other possible side effects. However, this first disease-specific therapy offers hope that the progression of ALS may one day be slowed by new medications or combinations of drugs.

Other treatments for ALS are designed to relieve symptoms and improve the quality of life for patients. This supportive care is best provided by multidisciplinary teams of health care professionals such as physicians; pharmacists; physical, occupational, and speech therapists; nutritionists; social workers; and home care and hospice nurses.

Working with patients and caregivers, these teams can design an individualized plan of medical and physical therapy and provide special equipment aimed at keeping patients as mobile and comfortable as possible.

Physicians can prescribe medications to help reduce fatigue, ease muscle cramps, controlspasticity, and reduce excess saliva and phlegm. Drugs also are available to help patients with pain, depression, sleep disturbances, and constipation. Pharmacists can give advice on the proper use of medications and monitor a patient’s prescriptions to avoid risks of drug interactions. Physical therapy and special equipment can enhance patients’ independence and safetythroughout the course of ALS. Gentle, low-impact aerobic exercise such as walking, swimming, and stationary bicycling can strengthen unaffected muscles, improve cardiovascular health, and help patients fight fatigue and depression. Range of motion and stretching exercises can help prevent painful spasticity and shortening (contracture) of muscles. Physical therapists can recommend exercises that provide these benefits without overworking muscles.

Occupational therapists can suggest devices such as ramps, braces, walkers, and wheelchairs that help patients remain mobile.

ALS patients who have difficulty speaking may benefit from working with a speech-language pathologist. These health professionals can teach patients adaptive strategies such as techniques to help them speak louder and more clearly. As ALS progresses, speech-language pathologists can recommend the use of augmentative and alternative communication such as voice amplifiers, speech-generating devices (or voice output communication devices) and/or low tech communication techniques such as alphabet boards or yes/no signals. These methods and devices help patients communicate when they can no longer speak or produce vocal sounds. With the help of occupational therapists, speech-generating devices can be activated by switches or mouse emulation techniques controlled by small physical movements of, for example, the head, finger or eyes.

Patients and caregivers can learn from speech-language pathologists and nutritionists how to plan and prepare numerous small meals throughout the day that provide enough calories, fiber, and fluid and how to avoid foods that are difficult to swallow.

Patients may begin using suction devices to remove excess fluids or saliva and prevent choking. When patients can no longer get enough nourishment from eating, doctors may advise inserting a feeding tube into the stomach. The use of a feeding tube also reduces the risk of choking and pneumonia that can result from inhaling liquids into the lungs. The tube is not painful and does not prevent patients from eating food orally if they wish.

When the muscles that assist in breathing weaken, use of nocturnal ventilatory assistance(intermittent positive pressure ventilation (IPPV) or bilevel positive airway pressure(BIPAP)) may be used to aid breathing during sleep. Such devices artificially inflate the patient’s lungs from various external sources that are applied directly to the face or body.

When muscles are no longer able to maintain oxygen and carbon dioxide levels, these devices may be used full-time. Patients may eventually consider forms of mechanical ventilation (respirators) in which a machine inflates and deflates the lungs. To be effective, this may require a tube that passes from the nose or mouth to the windpipe (trachea) and for long-term use, an operation such as a tracheotomy, in which a plastic breathing tube is inserted directly in the patient’s windpipe through an opening in the neck. Patients and their families should consider several factors when deciding whether and when to use one of these options.

Ventilation devices differ in their effect on the patient’s quality of life and in cost.Although ventilation support can ease problems with breathing and prolong survival, it does not affect the progression of ALS. Patients need to be fully informed about these considerations and the long-term effects of life without movement before they make decisions about ventilation support. It must be pointed out that some patients under long-term tracheostomy intermittent positive pressure ventilation with deflated cuffs or cuffless tracheostomy tubes (leak ventilation) are able to speak. This technique preserves speech in some patients with long-term mechanical ventilation.

Social workers and home care and hospice nurses help patients, families, and caregivers with the medical, emotional, and financial challenges of coping with ALS, particularly during the final stages of the disease. Social workers provide support such as assistance in obtaining financial aid, arranging durable power of attorney, preparing a living will, and finding support groups for patients and caregivers. Home nurses are available not only to provide medical care but also to teach caregivers about tasks such as maintaining respirators, giving feedings, and moving patients to avoid painful skin problems and contractures. Home hospice nurses work in consultation with physicians to ensure proper medication, pain control, and other care affecting the quality of life of patients who wish to remain at home. The home hospice team can also counsel patients and caregivers about end-of-life issues.

Both animal and human research suggest calorie restriction (CR) may be contraindicated for those with ALS. Research on a transgenic mouse model of ALS demonstrates that CR may hasten the onset of death in ALS. In that study, Hamadeh et al also note two human studies that they indicate show “low energy intake correlates with death in people with ALS.” However, in the first study, Slowie, Paige, and Antel state: “The reduction in energy intake by ALS patients did not correlate with the proximity of death but rather was a consistent aspect of the illness.” They go on to conclude: “We conclude that ALS patients have a chronically deficient intake of energy and recommended augmentation of energy intake.” (PMID 8604660)

Previously, Pedersen and Mattson also found that in the ALS mouse model, CR “accelerates the clinical course” of the disease and had no benefits.[19] Suggesting that a calorically dense diet may slow ALS, a ketogenic diet in the ALS mouse model has been shown to slow the progress of disease.

The new discovery of RNAi has some promise in treating ALS. In recent studies, RNAi has been used in lab rats to shut off specific genes that lead to ALS. Cytrx Corporation has sponsored ALS research utilizing RNAi gene silencing technology targeted at the mutant SOD1 gene. The mutant SOD1 gene is responsible for causing ALS in a subset of the 10% of all ALS patients who suffer from the familial, or genetic, form of the disease. Cytrx’s orally-administered drug Arimoclomol is currently in clinical evaluation as a therapeutictreatment for ALS.

Insulin-like growth factor 1 has also been studied as treatment for ALS. Cephalon and Chiron conducted two pivotal clinical studies of IGF-1 for ALS, and although one study demonstrated efficacy, the second was equivocal, and the product has never been approved by the FDA. In January of 2007, the Italian Ministry of Health has requested INSMED corporation’s drug,

IPLEX, which is a recombinant IGF-1 with Binding Protein 3(IGF1BP3) to be used in a clinical trial for ALS patients in Italy.


Alternative treatment:
Given the grave prognosis and absence of traditional medical treatments, it is not surprising that a large number of alternative treatments have been tried for ALS. Two studies published in 1988 suggested that amino-acid therapies may provide some improvement for some people with ALS. While individual reports claim benefits for megavitamin therapy, herbal medicine, and removal of dental fillings, for instance, no evidence suggests that these offer any more than a brief psychological boost, often followed by a more severe letdown when it becomes apparent the disease has continued unabated. However, once the causes of ALS are better understood, alternative therapies may be more intensively studied. For example, if damage by free radicals turns out to be the root of most of the symptoms, antioxidant vitamins and supplements may be used more routinely to slow the progression of ALS. Or, if environmental toxins are implicated, alternative therapies with the goal of detoxifying the body may be of some use.

Regardless of the part of the body first affected by the disease, muscle weakness andatrophy spread to other parts of the body as the disease progresses. Individuals have increasing problems such as Delusions/ and or paranoia. swallowing, and speaking or forming words. Eventually people with ALS will not be able to stand or walk, get in or out of bed on their own, or use their hands and arms. In later stages of the disease, individuals have difficulty breathing as the muscles of the respiratory system weaken. Although ventilation support can ease problems with breathing and prolong survival, it does not affect the progression of ALS. Most people with ALS die from respiratory failure, usually within 3 to 5 years from the onset of symptoms. However, about 10 percent of those individuals with ALSsurvive for 10 or more years.

Disclaimer: This information is not meant to be a substitute for professional medical advise or help. It is always best to consult with a Physician about serious health concerns. This information is in no way intended to diagnose or prescribe remedies


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