We report a surgical technique for arthroplasty of the deformed hip after poliomyelitis. A fifty three year old man presented to our unit with a long-standing history of hip problems since contracting poliomyelitis at the age of two. Unusually, both of his hips were affected. He had been operated on twice for his right hip. This had left him with a deformed upper femur with significant shortening. The right hip was sub-luxed on presentation; this was due to a markedly dysplastic acetabulum. The polio and subluxation meant his muscles were weak and stretched. Like other authors, we were keen to achieve a stable hip. The senior author felt that a fully constrained socket would carry the following disadvantages:
Reduced range of movement. It would be difficult to fit a constrained socket into the small amount of pelvic bone available. Constrained sockets are more likely to loosen. An alternative approach, using a large diameter unconstrained metal on metal articulation, was employed; stability was achieved with the large head and the relatively small socket still preserved bone stock. The components chosen were a 52mm MMT, Birmingham acetabular resurfacing prosthetic, articulating with a 46mm chromium cobalt head. A fluted stem CAD CAM (computer aided design, computer aided manufacture) femoral prosthesis was used, as he needed to fully weight-bear from the outset, because of the weakness in his left leg. He has a good, pain-free range of movement. This represents a novel solution for arthroplasty in hips surrounded by weakened musculature. It avoids dramatic limitation of movement whilst minimising the bone stock loss and risk of dislocation. The patient is delighted with the medium term results.
In poliomyelitis; hand to knee gait is the sum of quadriceps weakness and fixed knee flexion deformity. Limb shortening is another added problem. Usually, each problem is attacked separately; with variable end results and complication rates for each procedure. 22 patients (16–46 y.); with poliomyelitis with hand to knee gait due to fixed knee flexion deformity of mild to moderate degree (10–400); and limb shortening of 4.5–9.5 cm., were managed simultaneously by a single operation. A distal femoral metaphyseal anterior closing wedge (recurvatum) corrective osteotomy was done to treat acutely the fixed knee flexion deformity(and subsequently hand to knee gait). A modified Wagner or Orthofix frame was applied as a mono-plane mono-axial lengthening device to stabilize the osteotomy and to lengthen the short limb. Lengthening was started in all cases two weeks post-operatively.Background
Patients and methods
In poliomyelitis; hand to knee gait is the sum of quadriceps weakness and fixed knee flexion deformity. Limb shortening is another added problem. Usually, each problem is attacked separately; with variable end results and complication rates for each procedure. 22 patients (16–46 y.); with poliomyelitis with hand to knee gait due to fixed knee flexion deformity of mild to moderate degree (10–400); and limb shortening of 4.5–9.5 cm., were managed simultaneously by a single operation. A distal femoral metaphyseal anterior closing wedge (recurvatum) corrective osteotomy was done to treat acutely the fixed knee flexion deformity(and subsequently hand to knee gait). A modified Wagner or Orthofix frame was applied as a mono-plane mono-axial lengthening device to stabilize the osteotomy and to lengthen the short limb. Lengthening was started in all cases two weeks post-operatively.Background
Patients and methods
A 51 years old female who experienced difficulty in gait ambulation due to secondary osteoarthritis of knee showed knee instability caused by paralysis associated with poliomyelitis and scoliosis. At the first medical examination, right knee range of motion was 0° to 90°, and spino malleolar distance (SMD) showed 72cm for the right leg, 78cm for the left leg, and the bilateral comparison of SMD indicated the leg length discrepancy of 6cm. The patient has a history of surgeries with an anterior – posterior instrument for the treatment of scoliosis, and with Langenskiöld method for the paralyzed right knee at the age of seventeen. The patient also experienced varus degeneration at the age of twenty seven, which was surgically treated with high tibial osteotomy. In this case, a reoperation of her right knee was performed due to the reoccurrence of the knee pain. Preoperative planning was performed using Patient-matched instrument (Signature; Biomet) which was created based on computed tomography data. Each part of osteotomy followed the resection guide by Signature, and a total knee arthroplasty was carried out using the Rotating Hinge Knee System (Zimmer, warsaw. Inc). Two week after the operation, the patient showed the ability to walk without any assistance, and has been in a good condition.
Introduction. Taylor Spatial Frame (TSF) has been designed to treat complex tibial, foot and ankle deformities using computer software. We have performed various osteotomies in combination with different soft tissue procedures, with the use of TSF. Material and Methods. A retrospective study of 20 consecutive patients operated by, senior author SSM, from 2004 onwards who underwent surgical correction of tibia, ankle, midfoot and hind foot including lateral column lengthening, calcaneal and midfoot osteotomies. Demographic details, diagnosis, procedures (including previous operations), length of follow-up, outcome and complications were recorded. Of the 20 patients, 13 were men and 7 women. The mean age was 39 years (range 18 to 70). 5 patients had TSF for malunion or non-union of ankle fractures, malunion of tibia (5), congenital talipes equino-varus(3), acute fracture of ankle (2), one patient each for spina bifida,
Juvenile hip instability is associated with many conditions. Most of them belong to the group of neuromuscular diseases. Generally following categories can be enumerated: 1. Cerebral palsy, 2. Myelomeningocele, 3. Spinal cord injury, 4. Paraplegia following spine surgery, 5.
We describe seven cases of permanent neurological damage following interscalene block used in post-operative analgesia after operations at the shoulder. MRI, Nerve Conduction Studies and Quantitative assessments of function confirmed that in all there was infarction of the anterior spinal cord, resulting in a spinothalamic and corticospinal tract defect especially at segments C7, C8 and T1. We think that these lesions were caused by injury to radicular arteries. Domisse has demonstrated the anatomy of the radicular vessels joining the anterior spinal artery to supply the anterior two thirds of the cord. They are branches of the vertebral, ascending cervical and deep cervical arteries which pass through the inter-vertebral foramina with the C7, C8 and T1 roots predominantly. Chakravorty has shown that radicular vessels contribute to the blood supply of the lower cervical cord. Injury to them can cause ischaemia, leading to Anterior Spinal Artery Syndrome. We suggest tamponade of the radicular vessels by infusion of fluid under pressure deep to the prevertebral fascia as the main mechanism but neurotoxicity and vasospasm can be other possible explanations. In a second group there was an additional interference with the vertebral artery presenting with transient