Ca&Bone

[Percutaneous vertebroplasty in the treatment of osteoporotic vertebral compression fractures]

KULCSÁR Zsolt, SZIKORA István, BERENTEI Zsolt, MARTOS János, NYÁRY István

APRIL 20, 2003

Ca&Bone - 2003;6(02)

[Percutaneous vertebroplasty is a minimally invasive procedure that is increasingly applied for the treatment of osteoporotic compression fractures. The authors discuss its indications, patient selection criteria, the issue of diagnostic imaging, the technique of the procedure, its potential complications, review the literature on post-procedure pain relief, and briefly present their own experience in the treatment of osteoporotic fractures. Vertebroplasty is indicated for patients with severe, persistent, often incapacitating focal back pain not responding to standard medical therapy, which is related to the collapse of one or more vertebral bodies. Patients selected carefully by the clinical symptoms and the imaging studies usually respond promptly to the treatment, experience significant pain relief, improvement of the quality of life, and an increase in mobility.Vertebroplasty is a safe procedure with relatively low complication rates.The potential neurological complications, however, necessitate an instantly available neurosurgical background.]

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[Results obtained by pulsed electromagnetic field therapy in delayed healing or pseudoarthrosis of various fractures]

KRICSFALUSY Mihály, UDVARDY Csaba, LITVAI Gabriella

[INTRODUCTION - Delayed healing or the development of pseudoarthrosis after a conservatively or surgically treated fracture significantly prolongs the time of patient recovery and rehabilitation.The aim of the study was to investigate the influence of pulsed electromagnetic field (PEMF) therapy on delayed fracture healing or pseudoarthrosis in fractures of various long bones. PATIENTS AND METHODS - Twenty-one patients with abnormal fracture healing were treated ambulatorily a mean of 8.7 months after the injury with PEMF by a Biostim device (IGEA, Italy) for a mean of seven weeks. RESULTS - Overall, fracture healing was established in 15 patients, which corresponds to a recovery rate of 71.4%. By excluding the two patients, however, in whom bone restoration was inhibited by mechanical factors, healing rate increases to 78.9%. Pain intensity decreased substantially; function and endurance of the limb improved in every patient. CONCLUSIONS - These results as well as international data justify the need for wide-spread application of biophysical bone healing enhancement methods in Hungary, the first step of which is to popularize it among clinicians.]

Ca&Bone

[The effect of intranasal salmon calcitonin therapy on bone mineral density in idiopathic male osteoporosis without vertebral fractures]

TÓTH EDIT, CSUPOR EMŐKE, MÉSZÁROS SZILVIA, FERENCZ VIKTÓRIA, NÉMETH Lóránd, VARGHA Péter, HORVÁTH CSABA

[INTRODUCTION -The aim of this study was to examine the effect of intranasal salmon calcitonin therapy on bone mineral density in idiopathic male osteoporosis without vertebral fractures. MATERIALS - The randomised, prospective, controlled trial involved 71 male patients (mean age 59±6 years) suffering from idiopathic osteoporosis (lumbal spine and femoral neck T-score <-2.5) without vertebral deformity. Study design: Treatment protocol: Patients in the control group (n=31) received 400 IU Vitamin D + 1000 mg elemental calcium daily while the treatment group (n=40) received 400 IU Vitamin D, 1000 mg elemental calcium and 200 IU calcitonin nasal spray daily, by an intermittent monthly dose. METHODS - 1. Osteodensitometry: lumbar spine (L2-4) and femoral neck were measured by dual photon absorptiometry (LUNAR DPX-L, USA), whereas non-dominant radius was measured by single photon absorptiometry (NK 364, Gamma, Hungary). 2. Roentgenomorphorphometry was done onthoracic IV to lumbar IV spines and deformity indeces were calculated. The treatment period was 18 months. Examinations were performed at baseline and at the end of treatment.The primary end-point was the change of bone density measured by osteodensitometry. Secondary end-points included the side effects of medication. RESULTS - Nasal calcitonin was associated with significant increase in bone mineral density at the lumbar spine (+3.5±4.3% vs. +0.83±6.4%, p=0.04) and the femoral neck (+3.2±3.9% vs. -0.68±5.7%, p=0.004). No significant difference was observed at the radius between the treatment groups (+1.4±8.8% vs. +1.4±10.9%, p=0.98). No osteoporotic fractures occurred in the treated group, but there were 3 fractures in the control group. Treatment was well tolerated with no premature discontinuations nor significant side effects compared to the control group. CONCLUSION - 200 IU salmon calcitonin nasal spray used daily, intermittently proved to be an effective and safe therapy in male idiopathic osteoporosis.]

Ca&Bone

[Dear Colleagues and Readers!]

HORVÁTH CSABA

Ca&Bone

[Biophysical enhancement of bone healing in the orthopaedic and traumatologic patients]

MÉSZÁROS SZILVIA

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Clinical Neuroscience

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MAROSFŐI Miklós, KULCSÁR Zsolt, BERENTEI Zsolt, GUBUCZ István, SZIKORA István

[Purpose - Percutaenous Vertebroplasty (PVP) is effective in alleviating pain and facilitating early mobilization following vertebral compression fractures. The relatively high risk of extravertebral leakage due to uncontrolled delivery of low viscosity bone cement is an inherent limitation of the technique. The aim of this research is to investigate the ability of controlled cement delivery in decreasing the rate of such complications by applying radiofrequency heating to regulate cement viscosity. Method and material - Thirty two vetebrae were treated in 28 patients as part of an Ethics Committee approved multicenter clinical trial using RadioFreqency assisted Percutaenous Vertebral Augmentation (RF-PVA) technique. This technique is injecting low viscosity polymethylmethacrylate (PMMA) bone cement using a pressure controlled hydraulic pump and applying radiofrequency heating to increase cement viscosity prior to entering the vertebral body. All patients were screened for any cement leakage by X-ray and CT scan. The intensity of pain was recorded on a Visual Analog Scale (VAS) and the level of physical activiy on the Oswestry Disability Index (ODI) prior to, one day, one month and three months following procedure. Results - All procedures were technically successful. There were no clinical complication, intraspinal or intraforaminal cement leakage. In nine cases (29%) a small amount of PMMA entered the intervertebral space through the broken end plate. Intensity of pain by VAS was reduced from a mean of 7.0 to 2.5 and physical inactivity dropped on the ODI from 52% to 23% three months following treatment. Conclusion - In this small series controlled cement injection using RF-PVA was capable of preventing clinically hazardous extravertebral cement leakage while achieving outcomes similar to that of conventional vertebroplasty.]

Clinical Neuroscience

[Percutaneous procedure for treatment of diseased vertebral bodies with different etiology: vertebroplasty]

KASÓ Gábor, STEFANITS János, KÖVÉR Ferenc, HUDVÁGNER Sándor, DÓCZI Tamás

[Percutaneous vertebroplasty is a radiologically guided invasive technique consisting of the injection of surgical cement into the diseased vertebral body. The procedure results in immediate pain relief and strengthening of the bone due to the polymerization process of the filling material hardening the vertebral body and preventing further collapse. This method is suitable for the treatment of osteoporotic vertebral fractures and of osteolytic vertebral body metastases without neurological signs, in multiple appearance as well. Authors present technical details of the procedure performed by bi-directional fluoroscopy and combined CT-fluoroscopy control as well as short-term experience obtained by treatment of 17 patients.]

Ca&Bone

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