DISC DISEASE OR SLIPPED DISC

CERVICAL AND LUMBAR DISC DISEASE

Introduction

Disc is the soft tissue located in between the vertebral bodies.

A picture showing different types of disc problems. 

Disc problems are common in cervical (neck) and lumbar (lower back) regions. Earlier, it was common in older people, due to more degeneration of discs in them. However, now-a-days, we see several younger people, even in their 20s and 30s, who come with disc problems. This is because of sedentary life style, lack of exercises, prolonged sitting (on account of job, computer use, etc), and sports injuries. 

What are the common symptoms of disc diseases?

Disc prolapse or slipped disc can present with several symptoms:

In cervical disc disease, following symptoms are common:

1. Neck pain,

2. Pain in the arm, which may increase on coughing,

3. Tingling or pins and needle sensations in the arm,

4. Numbness in arm,

5. Weakness in the arm.

In lumbar disc disease, the following symptoms may occur:

1. Lower back pain,

2. Pain in the leg, which may radiate from lower back to the leg, also referred to as sciatica,

3. Tingling or numbness in leg,

4. Weakness of leg,

5. Leg pain, numbness or weakness may increase on walking (referred to as claudication), and get relieved on resting. 

How is the diagnosis of disc disease confirmed?

1. Clinical history and examination by a neurologist are useful in suspecting the diagnosis.

2. MRI of spine (cervical or lumbar region, as the case may be) is the confirmatory test for disc disease. 

An MRI scan of lumbar spine showing a prolapsed disc at L5-S1 level

What are the treatment options for disc disease?

Conservative (without surgery): It is useful to note that surgery is not needed in about 90% of cases. 

Several measures are useful in relieving pain in patients with disc prolapse: 

1. Rest- in severe cases, bed rest may be advised. In less severe cases, limited mobility within the house (for toilet and dining purposes) may be permitted.

2. Use of analgesics (such as aceclofenac, etoricoxib) and muscle relaxants (such as mobizox and myospaz forte) may help in relieving pain.

3. Specific medications that help reduce the nerve pain are pregabalin, gabapentin, duloxetine, etc. 

4. Physiotherapy- measures such as IFT, ultrasound, traction, etc help reduce the pain in several people with disc prolapse. 

Surgical options

In 10% of patients, medical treatment fails, then, surgery may be needed. Following are the specific indications for surgery in a patient with slipped disc:

1. Failure of medical treatment to adequately control the pain,

2. Progressive neurological deterioration, such as worsening of weakness or numbness, or bladder/bowel involvement,

Various types of surgeries are:

1. Laminetomy,

2. Discectomy,

3. Spine stabilisation with instrumentation. 

The choice of surgery depends on patient's symptoms, MRI findings and age. 

General advice to patients with disc disease:

1. Avoid forward bending,

2. Avoid lifting heavy weights. 

3. Lose weight, if overweight or obese

What is the prognosis of patients with disc disease?

In general, the outcome of patients with disc prolapse is good and most patients return to normal life after proper treatment. They are able to do their activities of daily living and are gainfully employed.

Surgery is also safe, however, I come across many people who have wrong notions about surgery. They have been mis-informed that after surgery, people get paralysed. In practice, this does not happen. However, if the case for surgery is not correctly chosen, there may not be good relief from pain after surgery also, a condition referred to as "failed back syndrome". 

If you have any further queries, you may get back to me.

Dr Sudhir Kumar MD (Internal Medicine) DM (Neurology)

Senior Consultant Neurologist,

Apollo Hospitals, Hyderabad, India

Phone- 0091-40-23607777

Email: drsudhirkumar@yahoo.com

Online consultation: http://bit.ly/Dr-Sudhir-kumar

TAKING CARE OF A PATIENT AFTER BRAIN STROKE (PART 2)

TAKING CARE OF A STROKE SURVIVOR (PART 2)

NON-DRUG ASPECTS OF PATIENT CARE

In my previous article posted on 11th August 2011, I had discussed about the various medications that are required to be taken by a stroke patient. However, there are several other aspects of post-stroke care that are equally important to make the life of a stroke survivor better & more comfortable.

1. Assessment of swallowing

Eating food is probably the most important function and a normal swallowing ensures that the patient can take liquids and solid food. Swallowing can be impaired in a stroke of medulla oblongata (brain stem or posterior circulation) and also in bilateral hemispheric strokes. Sometimes, the patient may be too drowsy to swallow. In a person who is awake and conscious, the adequacy of swallowing can be assessed by a swallow test. The patient is made to sit up and asked to swallow a glass of clear water. If he can drink it within half a minute without coughing or choking, then the swallowing seems to be adequate and the patient may be started on oral feeding.

2. Feeding

Feeding and good nutrition is an important aspect of ensuring a good post-stroke recovery. For patients who can swallow, normal food can be given by mouth as early as possible. For people who can not swallow, there are two options. In the first option, a tube (Ryles tube or naso-gastric tube) is inserted from nose upto the stomach and is kept secured by an adhesive near the nose. Then, liquid diet (milk, juice, etc) can be given at 2-hourly intervals through the tube. Ensure that the patient is not lying down while feeding, and the patient head end should be elevated by 30-45 degrees and left so for at least half an hour after feeding. The other option is PEG (percutaneous endoscopic gastrostomy), where a tube is inserted directly into the stomach by a minor surgical procedure by the gastroenterologist. The advantage of PEG (over the naso-gastric tube) are two-fold: i) It can be kept for much longer periods. Ryle's tube needs to be changed every 2-4 weeks. ii) Different types of food can be given via PEG.

3. Physiotherapy

Physiotherapy is the only method by which the strength and balance of the person can be improved upon. Many patients have significant residual weakness and imbalance after brain attack (stroke). They may be unable to stand or walk without support. They may also be unable to use their hands for any meaningful work. This is where physiotherapy is very important. Physiotherapy should be done under guidance of qualified physiotherapists. It should be done on a regular basis. Many patients ask for medicines or operations to improve the muscle weakness; unfortunately there are none, but good & regular physiotherapy can definitely make the muscle power & strength better.

4. Speech therapy

Many stroke survivors have language dysfunction. This can range from difficulty in understanding spoken words, inability to read or write, speaking or repeating the spoken words. In right-handed individuals, language area is located in the left side of brain. Therefore, language problems are more common after strokes on the left side of brain (which causes right sided weakness also). Additionally, patients with stroke in cerebellum (posterior circulation) may have slurred speech, but they are able to understand and speak. Patients with speech problems benefit from speech therapy. This can be taken under the guidance of trained speech therapists/rehab experts.

5. Nursing care

Good nursing care is very important in the post-stroke recovery. This includes feeding, bladder & bowel care, frequent position changing, and bathing. A stroke survivor may be dependent on others for activities of daily living and this is where nursing care is important. If a person lies on the same position for long, bed sores may develop, so, the position of the patient should be changed every two hours. Patient may have urinary and fecal incontinence (lack of control leading to voiding of uring and stool in clothes). This can be overcome with the help of adult diapers or changing clothes/bedsheets as per the needs.

6. Prevention of deep vein thrombosis

Blood clots may develop in the leg veins of people who are immobile. Therefore, in stroke survivors with paralysis of legs, there is a higher chance of clots forming in the leg veins (deep vein thrombosis or DVT). This can be minimised by frequent passive movements of the paralsed leg by the care-giver. There are compression stockings available in the market, which can be worn by the stroke patient to prevent DVT.

7. Cognitive stimulation and counseling:

Patients with stroke are prone to develop dementia (memory loss and other cognitive dysfunction) and depression. The risk can be minimised by various measures. Firstly, the patient should be kept in a well-lit room where abundant natural light comes in. Some stroke survivors may have reversal of sleep rhythm (they may sleep during the day and keep awake at nights). This rhythm may delay the recovery from stroke. Therefore, the patient should be kept busy/engaged during the day and not allowed to sleep. If the patient finds it difficult to sleep during nights, a small dose of sleeping pill may be used. Patients may be encouraged to listen to songs/music (through head phones, etc); allowed to meet with various friends or relatives; talk as often as possible (if patients can not talk, even listening is important for brain stimulation, so the visitors should be encouraged to talk even if the patient does not respond).

Depression after stroke is also common. So, proper counseling and psychotherapy is important. Sometimes, antidepressant medications may also be required.

8. Sexual functions

There is no restriction as such, and sexual functions can be resumed as per the patients' ability. Sexual drive may diminish after stroke, and sometimes, there may be linmitations due to physical handicap. These can be overcome to a great extent with the halp of an understanding partner.

9. Diet

• A good diet is essential for proper recovery.
• A diabetic should follow the diabetic diet.
• Generally, the diet should be low in fat and cholesterol content.
• As constipation is common in post-stroke patient, the diet should be rich in fibre content.

10. Physical activity

Physical activity is encouraged in stroke survivors. They should be encouraged to stand and walk inside home or be taken for an evening or morning walk with an attendant. If these is a risk of fall, use of a walking stick or walker is encouraged. Prolonged sick leave or bed rest is not advised, and the patient should return to normal life activites as early as possible.

DR SUDHIR KUMAR MD (MEDICINE) DM (NEUROLOGY)

SENIOR CONSULTANT NEUROLOGIST

APOLLO HOSPITALS, JUBILEE HILLS, HYDERABAD

Email: drsudhirkumar@yahoo.com

Phone: 040-23607777/040-60601066

FACIAL PALSY (BELL'S PALSY)

FACIAL PALSY (BELL'S PALSY)

What is Bell's palsy?

Bell's palsy refers to unilateral (one side) paralysis of muscles of face.

What are the symptoms of facial palsy?

Facial palsy causes weakness of facial muscles. So, patients may face the following problems:

1. Difficulty in closing the eye, so, the eye on affected side may look bigger.

2. Difficulty in frowning, leading to absence of wrinkles over forehead on the affected side.

3. Difficulty in blowing out cheeks (air leaks out on the affected side).

4. Watering of eye on the affected side,

5. Difficulty in chewing food, food may get stuck within the mouth on the affected side

6. Facial asymmetry, face may seem to get pulled to the normal side.

Other symptoms may include:

1. Loss of taste on the affected side,

2. Faint sounds may also seem louder (hyperacusis)

3. Headache, facial pain and neck pain may occur on the affected side. The pain may start a few days prior to the onset of facial paralysis. 

How does facial palsy start?

Symptoms of facial palsy starts suddenly over hours, so, it is very alarming for the patient. At the onset, patient may have pain behind the ear, in the neck, or the head on the side of paralysis. Symptoms are minor in the beginning, so, they often get noticed first by others or may be noticed on looking into a mirror.

What should be done, if one suspects facial palsy?

There is no need to panic, as it is a benign condition, and often improves over time. One should first consult their family physician or GP and subsequently a neurologist. Care should be taken to avoid any dirt entering the eye (as the eye can not be properly closed) to prevent corneal (a part of eye) infection.

What are the causes of facial palsy?

Bell's palsy is idiopathic (no definite cause has been identified). However, research has shown that it is often caused by viral infections such as herpes simplex. Facial palsy is more common in people with diabetes mellitus and in pregnant women. Patients with facial palsy often give a history of exposure to cold prior to the onset of symptoms (such as direct exposure of AC wind, going out at night or early morning, or long road journey with open windows), but their role in causing facial palsy has not been proven.

Other causes of facial palsy may include brain stroke (decreased blood supply to brain), tumors, other infections, trauma, infections of ear, etc.

What investigations would the doctor ask in facial palsy?

• Generally, no investigations are necessary as the diagnosis of facial palsy is obvious on clinical examination.
• However, brain scan (CT or MRI) may be done if one suspects brain stroke or tumors.
• Blood sugar should be checked to exclude diabetes mellitus.
• Nerve conduction studies (NCV/EMG) may be done to estimate the extent and severity of facial nerve involvement and in some cases to predict the outcome of facial palsy.
• In patients with recurrent facial palsy, certain blood tests may be done to look for the presence of disorders like collagen vascular diseases or vasculitis.

How is facial palsy treated?

Medical management of facial palsy may include the following:

1. Anti-viral drugs: Aciclovir tablets (2000 mg per day in divided doses) are given for 7-10 days.

2. Corticosteroids: Prednisolone 50-60 mg per day for 5-10 days are helpful in speeding the recovery. 

3. Vitamins: Mecobalamin (vitamin B12), alpha lipoic acid, etc are given to speed up recovery and regeneration of the facial nerve.

4. Physiotherapy: includes facial exercises, massage, and electrical stimulation of the facial nerve.

What is the prognosis of facial palsy?

• As earlier mentioned, facial palsy is not a serious condition and most patients recover well. Almost 60-70% patients recover in 3-4 weeks and the remainder in another few months.
• Less than 5% patients either do not recover or recover only partially.
• Facial palsy does not lead to death.
• Facial palsy usually does not recur, and recurrence is seen in only about 2-5% of cases.
• Patients with residual palsy may have facial asymmetry and they may consult cosmetologist/cosmetic surgeon for correction of asymmetry.

Miscellaneous questions about facial palsy

1. Is it contagious?

No, facial palsy does not spread from one patient to another, so, isolation is not required.

2. How common is Bell's palsy?

It is quite common and I see about 5-10 new cases per month.

3. Is Bell's palsy hereditary?

No

DR SUDHIR KUMAR MD (MEDICINE) DM (NEUROLOGY)

SENIOR CONSULTANT NEUROLOGIST

APOLLO HOSPITALS, HYDERABAD, INDIA

Email: drsudhirkumar@yahoo.com

Phone: 040-23607777/60601066
Facebook: www.facebook.com/bestneurologist