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Total Knee Replacement INR   0 INR  0
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Total Knee Replacement

Knee replacement is an operation that is performed principally to relieve pain from an arthritic knee. Although the range of motion of a knee may improve following surgery, this is not the primary aim of surgery and extra motion should be regarded as a bonus SURGERY Knee replacement involves replacing the bearing surfaces on the ends of the bones with a synthetic surface. This is usually metallic on the femur and plastic (high density polyethylene) with or without a metallic base plate on the tibia. The surface of the patella (knee cap) can also be replaced with high-density polyethylene. Components can be fixed to the bone using one of two techniques. One can either use bone cement or one can use components coated in such a way that bone grows onto and into their surface. Both methods of fixation have their advantages and disadvantages. A decision will be made regarding the most appropriate fixation for your particular situation. Depending on the nature of your arthritis, your knee may be suitable for a partial replacement rather than a total replacement. The knee can be thought of as having three compartments. There is a medial and a lateral compartment between the femur (thigh bone) and tibia (shin bone). The medial compartment is on the inside (left side of right knee) and the lateral compartment is on the outside (right side of right knee). The third compartment is between the patella (knee cap) and the femur. In a total knee replacement the medial and lateral compartments are replaced and the patella may be resurfaced as well. In a medial (or lateral) unicompartmental replacement only the medial (or lateral) compartment is replaced. Medial unicompartmental replacement is more common than lateral. Patellofemoral replacement involves resurfacing of only the patellofemoral compartment.In general the principles of partial and total knee replacement are similar but a partial replacement is a smaller operation and has a shorter hospital stay and quicker recovery. As a rule of thumb, total knee replacement involves a hospital stay of 3-6 nights (2-5 for partial replacements). In most instances patients are able to go directly home and inpatient rehabilitation is not usually required. Depending on your private health insurer, a physiotherapist may be able to visit you at home. When you are discharged you will be walking with the aid of walker support and will be independent in terms of showering and dressing. The main problem that patients face after a knee replacement is getting their movement back. Pain levels vary considerably from one individual to another, but most people find the period from 24 hours to 72 hours after surgery the most difficult. It is important to keep working at the exercises, particularly bending the knee. This applies both in hospital and after discharge. Pain may persist for 6-8 weeks following the procedure, particularly at night. PREADMISSION Prior to admission a number of steps are taken to reduce the risks of surgery. A number of routine investigations may be performed and these include blood tests, an electrocardiograph (ECG), and analysis of a urine specimen. You may be asked to attend a pre admission clinic at the hospital. The purpose of this clinic is to familiarise you with the planned surgery. If your knee X-ray is more than three months old a new X-ray may be taken, usually on admission to hospital. You should preferably stop taking anti-inflammatory tablets one week before your surgery in order to reduce bleeding during the operation. You can take your normal painkillers as well as low dose (100mg) Aspirin if you are on this for cardiovascular reasons. If you are on anticoagulant medication such as warfarin or clopidogrel, it is important that you notify the doctors as soon as possible as you will need to cease these prior to surgery. Similarly, if you have an artificial heart valve or another implant that requires antibiotic protection when surgery is being performed, you should also notify the office staff. ADMISSION Admission to hospital is usually on the day of surgery. Occasionally you will be admitted earlier than this depending on your general health status. ANAESTHESIA The surgery can be performed using a number of different types of anaesthesia. The anaesthetist will select the most appropriate type of anaesthetic for your situation. Usually a combination of spinal and general anaesthesia is used. A spinal anaesthetic involves an injection into the lower spine, which makes the body numb from the waist down. It wears off after a couple of hours. AFTER SURGERY Following surgery adequate provision is made for pain control. The anaesthetist and nursing staff will explain to you what is to be used in your situation prior to the operation. Physiotherapy will commence on the first day following surgery. You will usually get out of bed on the afternoon of surgery if you have surgery in the morning, or the next morning if you have surgery in the afternoon. Initially you will walk with a walking frame and later with crutches. The physiotherapist will guide you through the various phases of rehabilitation. Depending on your surgeon’s preference, you may spend some time each day with your knee on a CPM (continuous passive motion) machine, which slowly bends and straightens your knee. Usually you can be discharged directly home from hospital. The length of hospital admission varies considerably but is usually somewhere between 4-6 nights. You will not be discharged until you are safe to go home. This decision is usually made during your hospital admission. A follow up appointment will be made for you, usually 2-4 weeks after the operation. You will notice that your knee is warm and swollen for some time after surgery. This has usually settled significantly by three months from surgery, although the swelling may persist for a further few months. You will also notice that the skin on the lateral (outside) side of the incision will be numb. This is normal. The area of numbness usually decreases a little with time but there will always be some numbness of the skin in this area. However, it does not usually cause any problems. RISKS Knee replacement procedures are usually very successful. However, they are associated with some risks and although these are uncommon, they do need to be kept in mind in assessing whether this type of surgery is warranted. These risks include: WEAR AND LOOSENING With time, the bearing surfaces do have a tendency to wear. As a result small particles of debris are produced. The body’s reaction to these particles can cause loosening of the components, which in turn can cause a recurrence of pain. This may necessitate a second (revision) operation, which is usually a significantly more complicated procedure and generally does not lead to as good a result as a primary procedure. VENOUS THROMBOSIS This is a blood clot in the veins of the leg and occurs more frequently after knee replacement surgery than other types of surgery. Precautions are taken to reduce the risk and this may involve the administration of a daily injection of a blood-thinning agent (low molecular weight heparin). Additional measures may be taken if it is felt that you are at greater risk than the average person undergoing surgery. If a venous thrombosis does occur this will usually need to be treated with blood thinning injections followed by anticoagulant tablets (Warfarin), which would need to be continued for at least three months. A small but nonetheless important risk for venous thrombosis is the potential for the blood clot to break off and lodge in the lungs (pulmonary embolus). This can cause significant breathing problems and very rarely can be fatal. INFECTION Infection can occur after any operation. It is potentially more serious following joint replacement surgery, as it is more difficult to eradicate. This can mean that further surgery is required including the possibility of removal of both components for a period of two months during which antibiotics are given intravenously. If the infection has been eradicated, another knee replacement is then performed. Occasionally the knee may need to be permanently stiffened (arthrodesis). Precautions are taken to reduce the risk of infection including the administration of intravenous antibiotics around the time of surgery. STIFFNESS As mentioned earlier, the biggest challenge after a knee replacement is to regain knee movement, especially flexion (bending). Sometimes stiffness is a persistent problem and a manipulation under an anaesthetic is required. This involves coming back into hospital, usually for one or two nights. Occasionally the stiffness may be permanent and may cause difficulties with activities of daily living. Despite all of these potential problems, most patients are very happy with their procedure and recover quite quickly from surgery. However, it is important to remember that improvement occurs for up to 18 months after surgery.

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Deformity Correction INR   0 INR  0
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Deformity Correction

Limb reconstruction surgery is the field of trauma and orthopaedic surgery that deals with the management of deformities of upper and lower limbs, reconstruction of limb defects and limb equalization techniques. The aim of limb reconstruction surgery is to achieve maximum function form a deformed limb. A range of modern surgical techniques are used to perform limb reconstruction surgery, including: Conventional plate fixation. Locking plate fixation. Intramedullary Nailing. Circular fine wire external fixators. Bone Transport and limb lengthening. Angular and/or rotational correction. Joint Arthrodesis or reconstruction. The techniques used are customized for each individual case and often involve a combination of above techniques. Common deformities treated include: Non-unions – Fractures that have failed to heal. Mal-unions – Fractures that have healed in the wrong position. Post-traumatic arthritis – arthritis of a joint following a fracture or trauma. Bone loss – Fractures that have lost bone at the time of accident or subsequent surgery. Bone infection (Osteomyelitis) – infected bone commonly associated near a site of previous injury or surgery.

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Rotator Cuff Tear INR   0 INR  0
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Rotator Cuff Tear

The rotator cuff muscles are a group of four muscles that pass from the shoulder blade (scapula) and attach to the top of the ball joint (humerus). These muscles are responsible for rotation and elevation of the arm.FROZEN SHOULDER Rotator cuff tears are very common, especially as we all get older. They frequently cause pain over the upper arm that is made worse by overhead activities, reaching behind your back and lifting. They often ache at night and people find that they are unable to lie on the injured shoulder. They also cause weakness. Rotator cuff tears most frequently occur with general wear and tear, and most people usually don’t remember injuring their shoulder. These “degenerative tears”, if not associated with arm weakness, may be successfully treated without surgery. This involves avoiding overhead activities, regular simple pain relief and gentle physiotherapy. Anti-inflammatory steroid injections can be very helpful in these situations to help manage pain and discomfort. When symptoms fail to improve despite these measures, surgical repair of the tear is indicated. The less common group of rotator cuff tears occur following an injury, and are called “traumatic tears”. People usually remember the exact incident, and often have significant weakness after the injury. Early surgical repair is often indicated. SUMMARY OF TREATMENT OPTIONS Simple pain relief e.g. regular paracetamol, ibuprofen. Physiotherapy: to maintain range of movement and strength. Anti-inflammatory steroid injections: to assist with pain relief. Note that excessive use of cortisone may cause more harm than good. Surgical repair is indicated in 2 circumstances: Following an injury (Acute tear). Degenerative tears that continue to be painful despite regular analgesia, physiotherapy and steroid injections. Injection PRP for partial tears.ROTATOR CUFF REPAIR As a rule of thumb, rotator cuff tears will not heal on their own, and can only do so if a surgical repair is performed. A repair involves re-attaching the torn tendon to bone (humerus) using sutures and anchors. This operation is usually done under general anaesthesia, and may be performed as an open technique or arthroscopically (keyhole surgery). Arthroscopic repair is more technically demanding than open surgery, but this method has advantages including less pain, smaller wounds and lower risk of post-operative infection. Not all tears can be repaired. Risks of surgery include infection, stiffness, ongoing pain and weakness, re-tear of the tendon repair, and very rarely, nerve injury. The risk of the repair tearing again is much greater with large tears and with increasing age (over 70 years of age). Even if the repair does tear again, most people experience an improvement in their pain. The risk of ongoing pain at 12 months following the surgery is approximately 10 to 15%. Antibiotics are given at the time of surgery to minimize the risk of infection. Despite this, infection of the wounds can occur. This is usually easily treated with antibiotics. However, sometimes the infection gets into the joint which is a serious complication and requires re-admission to hospital, additional surgery and intravenous antibiotics. Most patients experience improved shoulder strength and less pain following rotator cuff repair, and each technique has similar medium to long-term results. Factors that decrease the likelihood of a satisfactory result include: Large / massive tears. Patient age (older than 65 years). Poor compliance with restrictions and rehabilitation following surgery. Smoking. Poor tissue quality. Workers compensation claims. Recovery following surgery usually involves staying one night in hospital, and being in a sling for 6 weeks. Most people can drive a car after 6 to 8 weeks. Rehabilitation guidelines to share with your physiotherapist are provided following the surgery, and vary according to the type and size of tear that is repaired. Recovery may take 6 to 12 months, depending on the severity of the tear.

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Shoulder Dislocation and Instability INR   0 INR  0
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Shoulder Dislocation and Instability

The shoulder is a shallow ball and socket joint. This allows fantastic range of movement, but also makes it an inherently unstable joint. The socket is made deeper by a rim of fibrocartilage (labrum). Additional stability is provided by thickenings of the joint capsule (ligaments) and the rotator cuff muscles. Shoulder stability relies upon these ligaments remaining intact and the muscles being strong.A shoulder dislocation occurs when the ball (humerus) comes out of the socket (glenoid). This may be partial (subluxation) or full (dislocation). After the first episode, it is likely that the labrum and ligaments will be torn, putting the shoulder at high risk of recurrent episodes of instability. This is especially true for patients under the age of 30 years.Recurrent shoulder instability following a traumatic shoulder dislocation can be effectively treated by repairing the torn labrum and ligaments. This is most commonly done using keyhole (arthroscopic) surgery and, when using modern techniques, is associated with a high rate of success. The labrum is reattached to the edge of the socket and the ligaments are tightened. This is done using suture anchors inserted into the edge of the socket (glenoid).Recovery following surgery usually involves staying one night in hospital, and being in a sling for 6 weeks. Most people can drive a car after 6 to 8 weeks. Rehabilitation guidelines to share with your physiotherapist are provided following the surgery. Return sport is usually possible at 6 months. Risks of surgery include infection, stiffness, ongoing pain and instability, re-tear of the labral repair, and very rarely, nerve injury. Antibiotics are given at the time of surgery to minimize the risk of infection. Despite this, infection of the wounds can occur. This is usually easily treated with antibiotics. However, sometimes the infection gets into the joint, which is a serious complication and requires re-admission to hospital, additional surgery and intravenous antibiotics. Atraumatic shoulder instability occurs less commonly. This is where the shoulder dislocates with minimal effort and these patients are often described as “loose jointed”. Unlike traumatic shoulder instability, there usually isn’t a labral tear and most patients are treated with physiotherapy.

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Knee Arthroscopy. INR   0 INR  0
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Knee Arthroscopy.

The knee joint is a frequent source of problems requiring the attention of an orthopaedic surgeon. The joint is primarily formed by the two large bones of the lower limb, the femur (thigh bone) and the tibia (shin bone). The patella (kneecap) articulates with the femur at the front of the knee. The fibula joins with the tibia on the lateral (outside) side of the knee. Together, the femur, tibia and patella make three compartments (medial, lateral and patellofemoral). Each of the bones has a bearing surface of articular or hyaline cartilage. In addition there is a meniscus in each of the medial and lateral compartments. The menisci are like cushions or spacers and are made of fibrocartilage. They often simply referred to as the cartilages. The direction of movement of the bones is controlled by the ligaments and the muscles make the joint move. The major ligaments are the anterior and posterior cruciate ligaments and the medial and lateral collateral ligaments. In addition, the collateral ligaments have important associated ligaments towards the back of the knee. The major muscle groups are the quadriceps at the front of the thigh and the hamstring muscles at the back. Muscles attach to bones via tendons. The main tendons around the knee are the quadriceps and patellar tendons which attach to the top and bottom of the patella respectively. The iliotibial band is like a tendon on the lateral side of the knee. There is a wide range of pathology and problems in the knee. The menisci can be torn as a result of an injury, although most meniscal tears are the result of a degenerative process and a specific injury may not be recalled. Not all meniscal tears require treatment, but if they do, this is usually done by arthroscopy. The tear can either be resected (cut out) or repaired. The articular cartilage can wear away. This is called osteoarthritis. Treatment depends on the severity of the disease and can range from quadriceps strengthening exercises to a realignment procedure called an osteotomy or to joint replacement. Isolated injuries may also occur causing local defects for which there may be specific treatment to try to restore the surface. Osteochondritis dissecans is a condition that involves an area of articular cartilage and the underlying bone and usually occurs in teenagers. The appropriate treatment depends on many factors. The bone underlying the articular cartilage may occasionally be affected by a condition called avascular necrosis in which the blood supply to an area of bone becomes disrupted. It may recover spontaneously or deteriorate to the point that intervention such as joint replacement may need to be considered. The cause of avascular necrosis is poorly understood. Ligaments can be torn. Medial collateral ligament injuries usually heal without surgery but may require bracing. Anterior cruciate ligament injuries are often treated by reconstruction, but there are also situations in which they do not need surgical intervention. Posterior cruciate ligament injuries are not usually treated with reconstruction unless they are combined with other injuries or have been causing instability. Lateral ligament injuries are often associated with other injuries and may require surgery. The patellofemoral joint is a frequent source of problems. There can be the same articular cartilage problems as in other parts of the knee. In addition there can be problems with instability of the patella as well as maltracking of the patella in its groove in the femur. Physiotherapy is often the first line treatment for many of these problems, but surgery may be required for recurrent dislocation of the patella. There are a variety of stabilization procedures that can be used depending on the specific problems of an individual.Tendons can be torn and usually require repair. However the more common problem is tendinopathy that results in local pain and which is usually treated without surgery, although surgical intervention may occasionally be required for symptoms that fail to resolve. The iliotibial band can impinge on the lateral aspect of the femur causing pain with running. It can usually be managed without surgery but surgical release is sometimes performed in chronic situations.

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Hip Arthritis INR   0 INR  0
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Hip Arthritis

Arthritis of the hip joint is a common condition. It usually affects middle age and older people resulting in over 40,000 hip replacements being performed in Australia per year to relieve sufferers of their pain. It comes about when the cartilage which overlies the femur (leg) bone or lines the acetabulum (pelvic) bone wears out and exposes “bone on bone” articulation resulting in pain, stiffness and disability. Many forms of arthritis have been described. Osteoarthritis is the most common form characterized by the break-down of the joint’s cartilage. The exact cause of osteoarthritis is unknown but it may occur in families (genetic predisposition), post injury or as a result of infection in the joint.The next most common form of arthritis is known as rheumatoid arthritis. This is a chronic inflammatory disease of the joint and soft tissues often resulting in the rapid onset of pain, swelling and stiffness with marked joint destruction. Rheumatoid arthritis is more common in women, and is caused by the body’s own immune system attacking the joints, often affecting the small joints of the body first i.e. those of the hands and fingers before involving the larger lower limb joints. Other forms of arthritis are less common and broadly categorized into the term “inflammatory arthritis” including such conditions as ankylosing spondylitis, systemic lupus erythematosus (SLE), gout and juvenile arthritis. Arthritis of the hip joint often has an insidious onset characterized by groin, lateral thigh or less commonly buttock pain which may radiate down the leg to the knee and beyond. The pain is worse with activity, limits walking distance and often will cause disturbance of sleep. Early morning stiffness is a common symptom and increases as the disease progresses, often resulting in the inability to reach down to put on ones socks and shoes. The diagnosis of arthritis is usually made on the basis of the symptom pattern, stiffness and irritability of the joint along with X-ray changes.The early management of arthritis involves non-surgical modalities. These include a modification of activities to avoid the aggravating factors e.g. cessation of running / jumping pursuits and substituting those with more suitable activities e.g. walking, cycling or swimming. Weight optimization and the cessation of smoking will increase the lifespan of the remaining cartilage as can dietary supplementation with glucosamines and fish oils. Simple analgesia in the form of paracetamol combined with anti-inflammatory medication is first line pain control. Physiotherapy and hydrotherapy are used to strengthen the muscles surrounding the joint and walking aids in the form of a stick or frame can make ambulation safer and less painful. A walking stick should be held in the opposite hand to the hip that is affected. When these first line measures for managing the pain from your arthritic hip fail to provide effective relief then it may be time to consider hip replacement surgery.

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Total Hip Replacement INR   0 INR  0
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Total Hip Replacement

The operation of a total hip replacement is a well established, long lasting procedure for relieving the pain involved with hip arthritis. This type of surgery has been used effectively now for over 40 years and remains the treatment of choice to achieve an excellent quality of life for sufferers of hip arthritis.THE PROCEDURE ANAESTHETIC The type of anaesthetic that is used for the procedure will vary according to each patient’s co-existent medical conditions and also your wishes. Our group of anaesthetists are all competent in both general and regional (spinal) anaesthetics and will discuss with you prior to the procedure the benefits and risks of each technique. SURGERY Through an incision approximately 12-15cm long centred over the side of the hip and curving gently towards the buttock, the hip joint can be entered with minimal trauma to the surrounding muscles. The hip is dislocated and the femur bone is cut through its neck to expose both the pelvic and leg sides of the joint. Depending upon the quality of the bone and the age of the patient either a cemented or cementless component is fixed to the pelvis and similarly to the femur. The ball and socket mechanism of the joint is then reconstructed with either a metal on plastic (polyethylene) articulation or ceramic on ceramic articulation. Computer navigation may be used to ensure that the leg length obtained is correct and the orientation of the components is optimal to provide for maximum range of motion of the new hip. Following the surgery you will be able to mobilize fully weight bearing on the hip the day after the procedure. You will be aided by the physiotherapist and nursing staff and taught how to safely use a frame initially and then graduate onto crutches. Your hospital stay will be between 5-7 days and depending upon your home supports and progress. Most people will be able to dispense with their crutches approximately 4-6 weeks following the surgery. During this time period you should sleep flat on your back, not cross your legs and use a seat raise for the toilet. These precautions will be emphasised by the physiotherapist during your hospital stay.All our patients are routinely put on home based physiotherapy post discharge. AFTER DISCHARGE Driving the car is not allowed for 6 weeks following the surgery and car travel as a passenger should be minimised during this period. These restrictions minimise the chance of the hip dislocating whilst the muscles and soft tissues around your hip heal. At 6 weeks following the procedure you will be reviewed by your surgeon. Most patients are then given the all clear to return to recreational walking, swimming, cycling, golf, tennis, bowls, gymnasium workouts and other recreational pursuits as desired. It is not advised that you undertake running or jumping activities following a hip replacement. FREQUENTLY ASKED QUESTIONS What are the risks involved with the procedure? There are general risks associated with any surgery, these are those of the anaesthetic (please speak to your anaesthetist prior to the operation), bleeding, blood clots (deep vein thrombosis (DVT) and pulmonary embolization (PE)), infection and vascular injury. Specific to the surgery are the risks of dislocation of the hip prosthesis, leg length inequality, fracture of the pelvis or femur, wear and loosening of the implants, audible ‘squeaking’ of the articulating components (ceramics), nerve injury. When can I return to work? Most people should be able to return to work at 6 weeks post-surgery. This may be extended if you perform a job involving heavy manual labour. When can I resume sexual activity? Sexual intercourse can safely be undertaken 6 weeks following the surgery. How long do I need to keep taking pain-killing medicine for? When you leave the hospital you will be given tablet analgesia for pain. You should take this for as long as you have pain when walking or at night. Most people are able to cease analgesics by 4 weeks following the surgery. Do I need to do physiotherapy when I go home? You will be given a sheet of exercises from the physiotherapist when you leave the hospital. You should do these exercises as instructed. You do not need to visit a physiotherapist once discharged.

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