Avascular Necrosis, also termed as Ischemic Bone Necrosis or Osteonecrosis is a medical condition characterized by the bone death on being deprived of blood. The condition is known to occur in the shoulder, ankles, and knees. However, the part of the body most affected by Avascular Necrosis is the hip. In this article, we will describe the conditions that contribute towards Avascular Necrosis of the hip along with the associated symptoms.

Factors that lead to Avascular Necrosis of the hip
The supply of blood to the bones may be interrupted by a myriad of factors some of which include

1. Certain medical conditions and health disorders such as

Gaucher's disease: A genetic disorder resulting from glucocerebrosidase enzyme deficiency. As a result, glucocerebroside gets deposited in the cells of the macrophage-monocyte system.
Sickle cell anemia: A genetic disorder which results in the RBC's appearing like a sickle cell instead of being round shaped.
Both of these conditions bring about a significant reduction in the supply of blood to the bones resulting in Avascular Necrosis.

Certain inflammatory conditions that may damage the arteries and trigger Avascular Necrosis of the hip include autoimmune diseases, pancreatitis or HIV infection.

2. Extensive and prolonged use of corticosteroids: Often used as non-inflammatory drugs, corticosteroids can play a contributing role, resulting in Avascular Necrosis (non-traumatic). The fatty substances are usually broken down by the body. However, the use of corticosteroids may affect this breakdown as a result of which the fatty substances start piling up in the blood vessels, constricting their size. The constricted blood vessels, in turn, reduces the supply of blood to the bones to a great extent.

3. An injury or a fracture affecting the femur: A hip fracture or a dislocation that affects the upper half of the thigh bone or the femur acts as a potential threat, triggering a traumatic Avascular Necrosis (AVN) of the hip.

In some case, radiation therapy or chemotherapy for cancer can go a long way in interfering with the ability of the bone (weakens the bone) to receive blood, causing bone death.

People who are into heavy drinking stand a greater risk of suffering from AVN. An increased consumption of alcohol causing constriction and narrowing of the blood vessels interfering with the flow of blood to the bones.

Symptoms characteristic of AVN of the hip

Unfortunately, the initial stages of AVN are asymptomatic. However, as the condition progresses into later stages, a person may experience pain and discomfort, particularly while exerting pressure on the bone affected by the condition.
As the bone and the adjacent joints deteriorate and collapse further, a person may experience great difficulty in using the joint altogether.
In some cases, the condition may progress and affect both the hips (Avascular Necrosis Bilateral).

Causes and Symptoms of Avascular Necrosis of the Hip

The sciatic nerve is the longest nerve in the human body. It runs from the lower back, through the buttocks, your hamstrings and into the lower leg. Sciatica means pain in the leg, numbness or any kind of weakness in the lower back. There can be many reasons for a leg pain such as an injury to the leg or it can be due to the main nerve which travels in the lower back. Many times, it is not diagnosed properly and hence it will take a lot of time to respond to the treatment or in some cases, it may not respond at all. 

Symptoms of Sciatica: 

You will experience pain in the lower back only on one side of the body. 
The pain continues from the lower back to the sciatic nerve. 
Rarely, you will see the pain on both sides of the body or buttocks. 
The pain is very sharp. 
In some cases, the patient may experience a needles or pins sensation in the leg and in some cases, it is weakness or numbness in the lower back. 
The pain gets so severe that you will not be able to walk or even stand. 
If you have lower back pain combined with leg pain, then lower back pain is not going to be as severe as the leg pain. With the help of the symptoms, your doctor will be able to diagnose sciatica but in order to know the exact cause and origin of this pain, you will have to undergo other tests and examinations. 
Physiotherapy for Sciatica: 
There are many surgical treatments available for sciatica, but it is always good to go for non-surgical treatments. So you can opt for physiotherapy. You will be able to see better and long lasting results with this treatment. As it involves a thorough assessment of it on which the treatment protocol is laid. 

Physiotherapy involves four phases: 

Pain relief 
Restoration of normal flexibility 
Restoration of full functionality 
Prevention of recurrence 
In sciatica, it is due to unbearable pain, you seek treatment. So that has to be treated initially. When you can see that the pain is under control, then the physiotherapist will start working on the range of motion for your joints. The muscle tension will be reduced and muscle strength will be improved. In the third stage, your physiotherapist will start working on restoring the normal function of your body, especially your legs and your lower back. In the last stage, the physiotherapist will help you with some exercises that will stop its recurrence. Usually, sciatica will return after some time but taking a little care at the early stage can prevent it.

Physiotherapy For Sciatica - Why Is It The Best Treatment Option?

Total Hip Replacement is also known as Total Hip Arthroplasty, in which the damaged cartilage and bones in the hip area are removed and replaced with prosthetic components. On the other hand, Total Knee Replacement, also known as Total Knee Arthroplasty or resurfacing, involves replacing the bone surface of the knee area. 

Causes of Hip and Knee Pain 

Arthritis is the most common cause of chronic hip and knee pain or disability. Other causes include: 

  Avascular necrosis or Osteonecrosis is a condition where there is an inadequate supply of blood to the femoral head due to a hip injury. The inadequate supply of blood may cause the bone surface to collapse and this can result in arthritis. 

  Rheumatoid Arthritis is the most common inflammatory Arthritis. In this condition, the synovial membrane surrounding the joint begins to thicken and become inflamed. This results in cartilage loss, stiffness, and pain. 

  Osteoarthritis is the type of arthritis, usually related to old age but can occur among young people too. The cartilage cushioning the hip and knee bones becomes soft and gradually wears off. The bones eventually start rubbing against each other which causes stiffness and pain in the knee and hip area. 

  Post-Traumatic Arthritis can follow a severe hip and knee fracture or injury. 

  Some children with hip disease or problem, even after treatment, can develop into arthritis later. This may be caused by uneven or unusual growth of hip which affects the joint surfaces. 

Knee Replacement Procedure 

  Bone Preparation: The surface of impaired cartilage at the end of the tibia and femur are separated besides a small extent of the underlying bone. 

  Locating the Metal Implants: The removed bone and cartilage are substituted by metal implants creating the joint surface. These metal pieces may either be press-fit or cemented into the bone. 

  Resurfacing the Patella: The undersurface of the kneecap or Patella is cropped and reformed with a plastic button. This process is variable depending upon the condition. 

  Inserting a Spacer: To form a smooth gliding surface, a plastic spacer of medical-grade is positioned between the metal components. 

Hip Replacement Procedure 

  Metal stem replaces the damaged femoral head and positioned into the femur s hollow center. 

  On the upper portion of the stem, a ceramic or metal ball is planted. This ball acts as a substitute for the damaged/detached femoral head. 

  The damaged Acetabulum or cartilage surface of the socket is discarded and supplanted by a metal socket. Cement or screws are used to sustain the socket in place. 

  A spacer, either metallic, plastic or ceramic is placed between the socket and the new ball for a smooth gliding surface. 

Take Away 

Knee and Hip Replacement are taken as the last option for the patient. The surgery and its outcome vary depending upon various factors. One should consult the doctor before undergoing for the Hip and Knee Replacement Surgery.

Primary Knee & Hip Replacement - Know More About Them!

The human body allows for movement through the complex system of bones, muscles and joints. A break in the bone is medically known as a fracture and can be caused by constant stress, pressure or impact. It is common knowledge that with age, the bone strength decreases and incidence of fractures (osteoporotic fracture) increases. Based on the affected bone and impact, different types of fractures are commonly identified as:

Complete: When the breakage of the bone is complete, producing two or more pieces, it is referred to as a complete fracture.
Incomplete: When the breakage is incomplete, where the bone has cracked, but does not break into pieces, it is known as an incomplete fracture.
Another type would be the open or closed fracture:
Open fracture: When the skin is exposed and the bone breaks through this exposed skin, it is known as compound or open fracture.
Simple or closed fracture: The bone breaks, but the skin continuity is maintained. Again, here are different types including hairline, greenstick, oblique, etc.
What is the reason behind a fracture?
A bone will fracture when force is applied to it that is stronger than the bone itself. A key factor in a bone s susceptibility to fracturing is age. Both children and older people are prone to bone fractures. Children s bones are constantly growing and have not reached their full strength. Elderly people have brittle bones with old age and are prone to develop bone diseases, making them susceptible to fractures.

How they are treated?
Splint and pain medications are commonly used. Closed reduction where the fracture is reduced without opening up the tissues and open reduction, where the tissues are opened up are common approaches to managing fractures.

Can they be prevented?
Especially with children and in the elderly, extra precaution should be taken to avoid any kind of injury and fracture.

Develop an exercise routine to strengthen the muscles
Manage weight
Use the right footwear and exercise gear
Watch your medications (avoid sleep inducing ones)
Increase lighting in the room/home to improve clarity of vision for elderly
Make the home/living area fall-proof by reducing clutter, using railing in the bathroom and bedroom, using rubber mat, etc.
While a fall may seem inevitable, taking the above steps can help reduce the incidence and severity of a fall, thereby minimizing damage.

Bone Fracture - Common Types and How They Can be Prevented?

Being flexible is not always about doing splits or doing some random bending. It is about achieving a level of mobility that will not hold you back from doing whatever you are able to do. Most people think that stretching or flexing your muscles and body as the first method to defend you from pain. But if stretching and flexing can be done correctly, it can lengthen one's muscles and give one relief from pains and aches. Stretching is also done to increase the functional range of one's joints and muscles. There are various ways by which one can stretch their muscles. However, the question which looms over here is which is the correct procedure and which is the wrong one.

The Wrong Vs the Right Way: Before discussing about the correct way, let us talk about the various wrong ways in which stretching can be done. The first rule is that if stretching is causing you pain or if it is hurting you, then you are probably taking it too far. A muscle needs to relax as much as possible, if it needs to stretch. If one is stretching so hard that he or she cannot relax then the muscle will not lengthen. Stretching should never be painful.

One should also avoid stretching for an insufficient length of time. Only a few seconds of stretching will not hold the therapeutic effects of stretching.

The following methods are few of the correct ways to stretch:

Always start with the warm muscles. Warm your muscles by doing some aerobic movement or by applying heat with the help of a warm bath.
After warming your muscles, monitor your level of discomfort. Let it go once you feel pain.
Hold any stretch for at least 30 seconds.
Stretching the Correct Muscle: There are muscles, which need to be stretched and there are muscles, which should not be. So getting to know the correct muscles to be stretched is as important as knowing the correct procedure to stretch your muscles. Every muscle, which does not hurt should not be stretched. There are different types of muscles that cause pain like stiff, tight, short muscles and long muscles. Muscles that are tight should only be subjected to stretching. Stretching muscles that are too long is not a good idea.

Using Physiotherapists: Most people who cannot determine which muscle should be stretched and which should not be should consult a physiotherapist. Physiotherapists can quickly and easily diagnose muscular issues. They will also show ways to stretch which are most effective for particular needs.

Stretching should be made a part of one's life. It is a way by which one can become their healthiest self and avoid muscular imbalances.

Stretches for Tight Muscles 

Does you back hurt only when you wake up in the morning or is it a chronic problem? If yes, then you need to take immediate steps to treat it. Back pain, being the common physical anomaly for people primarily in the age range of 35-50, is one of the top causes for office absenteeism and mid-life lethargy and fatigue. Usually back pain indicates an underlying problem that involves the nerves, bones and muscles.

Here are some risk factors for back pain:

Pregnancy
Stress related to work
Leading a sedentary lifestyle
Anxiety and depression
Being overweight
Over exercising
Strenuous physical work outs
Smoking
There are varied reasons as to why back pain may occur. Discussing the causes of back pain is beyond the purview of this article; the focus is now going to be on some of the stretches one can practice to get relief from back pain: 

Downward dog: A classic yoga pose, the downward dog stretches the entire back, hamstrings and the whole of the leg. Begin the process in a classic push up pose with the palms and toes on the floor. Keeping your back straight, lift your tailbone up and straighten your legs. Push the heels to the floor and breathe to get the most out of this stretch.
Child s pose: A simple stretch, it begins with you sitting back on your buttocks and then stretching the arms in front of you. Keep your forehead on the floor and breathe slowly.
Cat cow pose: If your common complaint is that of a sore and painful back, then this is one of the best stretches for you. A very simple pose, you begin by sitting on all fours, then transitioning into the cat pose by pushing your spine upwards. Hold the pose for one breath and then go to the cow pose wherein you lift your buttocks and the head while scooping your spine.

Back Pain - 3 Stretch Exercises You Must Follow!

Don't wait any longer, manage your Therapeutic Laser online with a Lybrate doctor today

Consult for Therapeutic Laser - Online and Easy!

FilterClear All

COMMON SPECIALITIES

COMMON ISSUES