Radiology is a special branch of medical science that uses various techniques of imaging for the diagnosis and the treatment of several types of diseases in the body. The different types of imaging techniques used in radiology are X-rays, Computerised Tomographic scan (CT Scan), ultrasound, Magnetic Resonance Imaging (MRI) and nuclear medicine which includes Positron Emission Tomography(PET).

Role played in evaluating hip replacement
Hip replacement surgeries have become extremely common in the recent times, and radiological evaluation remains the mainstay of the overall hip replacement procedure. Thus, the role played by radiology is quite significant in such situations. All the specific anatomical landmarks and the measurements are used to make sure the placement is perfect during the hip replacement surgery. Radiological imaging helps in the assessment of the following conditions that are as discussed below.

The length of leg
The inequality in the length of the two legs is prevalent after a hip replacement surgery which can create a great deal of discomfort and inconvenience to the patients. A greater difference in the length of the two legs increases the chances of dislocation, and this is a situation where radiological evaluation plays a crucial role. With the help of radiological imaging, the length of the legs can be made almost equal.

The horizontal center of rotation
In this case, horizontal center of rotation helps in the assessment of the acetabular component of the prosthesis. This is calculated by the measurement of the distance between the center of the head of the femur and the acetabular teardrop. This distance should be bilaterally equal, and it is just not possible without the help of the imaging techniques of radiology.

Acetabular inclination
The acetabular inclination is the angle formed between the face of the cup and the transverse axis. If the angle is less, then it results in a stable hip, but the abduction is limited. On the other hand, if the angle increases then there are high chances of dislocation of the hip. Thus, with the help of radiological evaluation, proper and effective angular inclination is given which is optimum for the patient.

The stem positioning of the femur
The main aim of the stem positioning of the femur in a hip replacement surgery is placing the stem in a position which is neutral within the shaft. To get a proper idea of the positioning, the imaging techniques are of utmost importance which cannot be achieved perfectly without the imaging.

Thus, the crucial role the different techniques of radiological imaging plays during the overall procedure of a hip replacement surgery can be perceived. With the use of the different imaging techniques, the results obtained are closer to perfection.

How Radiological Evaluation Can Help In Case Of Hip Replacement?

Sciatica is a neurological condition that mainly arises due to problems in the sciatic nerve. The sciatic nerve is believed to be the largest nerve originating from the spinal nerves L4 to S3. It extends downward from the lower spine into the back of each leg (thighs) right down to the foot. The sciatic nerve acts as a connecting link between the spinal cord and the foot and the leg muscles. People with sciatica often experience a tingling sensation along with a shooting pain radiates downwards from the lower back (mostly the lumbar region) to the back of one of the legs. Some may also experience the sciatic pain down both the legs (rare).

Types of Sciatic Pain:

Sciatica that affects a person can be of two types depending on the severity of the associated symptoms

Acute sciatic pain: In this case, a person experiences a sudden radiating pain which often heals by itself within a week or two. More than often, the pain is triggered by an injury to the spinal joints, nerves, or the disc.
Chronic sciatic pain: This is a more serious condition where the pain may linger for long, often more than three months. The chronic sciatic pain may affect a person with severe Arthritis and nerve injury and damage.
Symptoms associated with Sciatica:

One of the characteristic symptoms of Sciatica is a shooting pain that radiates from the lower back (often the lumbar) to the back of one (or both) of the legs.
In some, the sciatic pain may result in weakness and a tingling sensation down the affected leg.
A person with sciatica may find it difficult to move his/her foot and legs (restricts their movement).
Some people may experience a shooting pain even while they are in a sitting position. In some others, the pain may be at its worst when a person is in a standing position.
Sciatica can also trigger a hip pain.
What triggers sciatica and the associated symptoms?

The disc is a protective shield that prevents any damage or injury to the vertebrae. A degenerative disc problem can interfere with the normal functioning of the disc triggering sciatica.
Spondylolisthesis: In Spondylolisthesis, also known as a Slip Disc, a bone (mostly in the lumbar region) slips over the bone which is located just below it. People with prolonged and untreated spondylolisthesis are often known to suffer from sciatica.
The sciatic pain can also affect a woman during her pregnancy.
Lumbar spinal stenosis: This condition is is characterized by the spinal canal narrowing down in the lumbar region. Lumbar spinal stenosis exerts pressure on the sciatic nerve, giving rise to sciatica.
A muscular strain or spasm in the buttocks can also be a contributing factor.
Proper management and prevention for sciatica are possible. One should be alert and consult a doctor in case they experience the associated symptoms or any discomfort.

Sciatica Pain - What Can Trigger It?

Fibromyalgia is a condition characterised by chronic widespread body pains and increased responsiveness to pressure. Women are at a higher risk of suffering from this disorder than men. Fibromyalgia can be treated with physiotherapy, pharmacotherapy and combined efforts of physician and the patient.

Some of the symptoms that characterize this disorder are:

Pain: Fibromyalgia is characterized by pain that has no apparent reason. It can affect different parts of the body and presents itself in different ways. Some people may experience a stabbing pain while others complain of a persistent dull ache. This pain may be affected by climate changes or stressful situations. There is reduced threshold to pain, because of certain chemical ( neurotransmitters) abnormalities in brain. Pain is generalized, felt above and below the waist, right and left-side of body, arms, legs, neck and back. 
Abnormal Sensitivity: Fibromyalgia patients are extremely sensitive to environmental changes that involve sight, sound and smell. For example, cigarette smoke can make a fibromyalgia patient extremely nauseous while loud music can give the person an instant headache. Lights that are brighter than normal can also make such a person feel uncomfortable. Patients have an abnormal sensitivity to pain, which leads to generalized aching of the body and tender points. 
Muscle & Joint Stiffness: Fibromyalgia patients often experience stiff muscles and joints without any form of strenuous activity or other reason. This may be localised to one group of muscles or affect the whole body. For some patients, this pain is worse in the morning or when sitting for extended periods of time. However, moving around does not provide any significant relief.
Chronic fatigue and exhaustion: There are two main reasons for a fibromyalgia patient to complain of tiredness. Firstly, the condition itself drains a person of energy even without overexerting themselves. Secondly, the pain and joint stiffness can hamper a person s sleep and lead to sleep deprivation. Over time, this can become a vicious cycle of tiredness and insomnia. Chronic fatigue also affects a person s immune system causing his or her energy levels to drop.
Cognitive impairments: Fibromyalgia patients also complain of a compromised short term memory. They often face difficulties recalling names of people they have recently met or other newly acquired information. These people may also have trouble concentrating on tasks for extended periods of time and experience mental sluggishness also known as fibro-fog.
Irritable bowel syndrome: Bowel disturbance is another common symptom of this disease. Passing stool may become difficult due to a combination of pain and muscle stiffness. With time, this problem can worsen unless addressed with laxatives. However, an over-dependence on laxatives can lead to further problems.
Somatic Symptoms: Apart from pain, patient experiences unrefreshing sleep and fatigue throughout the day. Other associated features can be depression, abdominal cramps, chest pain, tingling.
Lab Tests: Fibromyalgia is a clinical diagnosis. There are no definite laboratory tests. In fact, most conducted tests will turn out to be normal. 
Treatment: Foremost important is an education of patient and caregivers, regarding nature of the disease. The patient needs to indulge in recreational activities and undergo supervised physiotherapy. There are potent medicines to correct the chemical imbalance in the body thereby increasing the pain threshold and leading to better quality of life.

Fibromyalgia - 6 Main Symptoms!

Leg bypass surgery is needed when the patient suffers from peripheral artery disease. PAD is a very common condition in elderly people, where the rate of flow of blood to the limbs (in this case, the legs) is reduced due to narrowing of the blood vessels.

Causes and risk factors-

The narrowing of the blood vessels occurs due to excess calcium accumulation and fat deposits in the walls of the arteries. The following are the risk factors of PAD-

  Age (60 years and above)
  Smoking
  Diabetes

The condition may be life-long or can last for years.

Symptoms that indicate you might need a leg bypass surgery-

The following are the signs and symptoms of PAD, which suggest you should consider having a leg bypass surgery-

  Pain in the legs, especially when walking
  Pain in the buttocks
  A sore on a foot/leg that does not seem to heal
  Thinning of the skin on the legs
  Loss of hair on the legs
  Tingling, weakness, or numbness in the legs
  One or both the feet/legs may feel cold
  The feet or legs may appear bluish, pale, or dark reddish in colour

You should get yourself checked by a specialist in the initial stage, or else the condition may get worse and affect your day-to-day activities.

Vascular surgery for PAD in the legs:

Vascular surgery is a surgical sub-specialty, which manages vascular system disorders- disorders of the veins, arteries, and lymphatic circulation- by surgical reconstructions, minimally invasive procedures, and medical therapies.

The most commonly used surgical procedure is the leg bypass surgery. The surgery aims to reroute the supply of blood around an obstructed artery in one of the legs.

How is leg bypass surgery performed?

The surgeon performs leg bypass surgery using a graft (usually made of plastic tube) to bypass or replace the blocked portion of the artery. On some occasions, the graft may be a vein or blood vessel taken from the patient s body (usually, the other leg).

During the surgery, the surgeon will first administer anaesthesia so that you are not able to feel pain or discomfort. He/she will make an incision over the portion of the blocked artery. After carefully removing the skin tissues, the surgeon will place clamps on each side of the narrowed artery and sew the grafts in place. The surgeon will ensure that the flow of blood in your lower extremity (legs) is good. An arteriogram (an X-ray of the arteries/blood vessels) is recommended to make sure that the graft is working fine after the leg bypass surgery.

For most people, leg bypass surgery helps improve the flow of blood in the arteries. The prognosis is better if underlying medical conditions like diabetes are controlled.

Leg Bypass - Treating It Through Vascular Surgery!

A Guide to Dealing with Fibromyalgia

Fibromyalgia is a chronic condition marked by constant flu-like symptoms such as fatigue, headaches, insomnia and joint pains. However, the disease has no visible symptoms. There are also no known causes for the disease. While some believe stress to be a trigger for fibromyalgia, other theories suggest that physical and emotional factors such as a prior illness lead to the onset of this disease. This leads to fibromyalgia patients being often misunderstood and misdiagnosed. Almost 80% of fibromyalgia patients are women. While the disease is not lethal, it can make daily life difficult.

The criteria for fibromyalgia were established only in the late 1900s. In addition, the symptoms of this disease present themselves differently in each patient. This makes diagnosis very difficult.

Constant pain all over the body is the most common symptom of fibromyalgia.
You may also feel constantly tired, and unable to get a restful sleep.
Some fibromyalgia patients also suffer from depression or anxiety and an irritable bowel syndrome.
Fibromyalgia patients may also feel hyper sensitive to cold or heat, and feel numbness in fingers and toes.

Fibromyalgia has no known cure, and like arthritis, treatment for this disease addresses its symptoms. Most treatment programs include a combination of drugs, physical therapy, and behavioral techniques.

Pain relievers or anti-inflammatory medication and antidepressants are the two types of drugs administered to fibromyalgia patients. However, these should not be counted on as a long-term solution, as the side effects of these medicines can cause additional problems. Therapeutic massages and chiropractic manipulations can also help ease the pain. Along with this, it is also important to rest and relax. This helps reduce stress which often triggers fibromyalgia symptoms.

To get a better night's sleep, try going to bed and getting up at the same time every day. A warm glass of milk or chamomile tea just before bedtime can also help induce sleep. As far as possible, avoid taking sleeping tablets, as the body can soon become dependent on these.

Though you may constantly feel tired, increasing the day to day activity levels can have a positive effect on your health. Consider adding low-intensity activities such as walking, cycling, yoga or dancing to your daily routine. Complement these with a well-balanced, nutritious diet that includes lots of fruits and vegetables. If you or a loved one has fibromyalgia, bad days may not be prevented. But with treatment, they can be controlled.

A Guide to Dealing with Fibromyalgia

Gridhrasi is what Sciatica is known as in Ayurveda. It is the disorder that causes mild to agonizing pain in the sciatic nerve or neuralgia. These nerves, emerging from the pelvis, run along the hamstring and may cause intense pain in one or both the legs when a person suffers from Sciatica. Sciatic pains fill your life with misery as the simplest of daily activities cause sudden and excruciating pain. There are two types of sciatica i.e. true sciatica and pseudo sciatica. Sciatica may be caused due to bulging disc or herniated disc, degenerative disc disease, piriformis syndrome, pregnancy or trauma etc. 

According to Ayurveda, Sciatica is caused due to impairment in Vata i.e. the dosha responsible for the functional ability and movement of the body and also in some cases due to impairment in the Kapha i.e. the dosha that is responsible for body fluids and lubrication. Ayurvedic herbs that improve the symptoms of Sciatica are:

1. Babunah is also known as Bitter Chamomile. Not only is it used to relieve and reduce the pain faced by a sciatica patient, but it is also used for treating problems such as rheumatism due to the advancement of age. Compressed bitter chamomile flowers are prescribed for sciatica.
2. Guggul is also known as Indian Bdellium. Since guggulu is well known for its anti-inflammatory properties, it relaxes the sciatic nerves.
3. Rasna is also known as Vanda Orchid. Intense or agonizing pain due to the sciatic nerve issues can be reduced by this ayurvedic herb due to its anti-inflammatory properties. 
4. Juniper oil is extremely helpful when massaged onto the thigh muscles with firm strokes or pressure. It is used extensively in massage therapy for treating sciatica since the extent of reduction in sciatic nerve pain is tremendous. 
5. Jaiphal is also known as Nutmeg. After being mixed with sesame seeds oil, nutmeg is coarsely powdered and then fried till it turns brown. This is then applied to those areas where the sciatic pain is intense for instant relief.
6. Kumari is also known as Indian Aloe. Properties of Indian Aloe are extremely helpful in treating lower back ailments such as sciatica and lumbago.
7. Shallaki is also known as Boswellia or Frankincense. Containing anti-inflammatory properties, shallaki is applied externally to get relief from sciatic nerve pain. 

Ayurvedic preparations such as yogaraja guggulu, Vataganjakusha, Saindhavadi taila are also very useful in treating Sciatica.

Ayurvedic Treatment of Sciatica

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