2013
DOI: 10.4081/or.2013.e24
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Abstract: The strength of pedicle screws attachment to the vertebrae is an important factor affecting their motion resistance and long term performance. Low bone quality, e.g. in osteopenic patients, keeps the screw bone interface at risk for subsidence and dislocation. In such cases, bone cement could be used to augment pedicle screw fixation. But its use is not free of risk. Therefore, clinicians, especially spine surgeons, radiologists, and internists should become increasingly aware of cement migration and embolism … Show more

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Cited by 18 publications
(11 citation statements)
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“…However, as in most cases, it was clinically asymptomatic. 1,29,38,39 Due to the low sensitivity of conventional chest radiographs compared with CT scans, a much higher asymptomatic embolism rate must be assumed. 30 Studies of the rate of pulmonary embolism after percutaneous vertebroplasty have reported substantially different rates depending on the detection modality, with radiographs yielding a rate of 6.8%16 and CT yielding a rate of 23%.…”
Section: Symptomatic Leakage Is Rarementioning
confidence: 99%
“…However, as in most cases, it was clinically asymptomatic. 1,29,38,39 Due to the low sensitivity of conventional chest radiographs compared with CT scans, a much higher asymptomatic embolism rate must be assumed. 30 Studies of the rate of pulmonary embolism after percutaneous vertebroplasty have reported substantially different rates depending on the detection modality, with radiographs yielding a rate of 6.8%16 and CT yielding a rate of 23%.…”
Section: Symptomatic Leakage Is Rarementioning
confidence: 99%
“…Cement augmentation with PMMA is regarded as the most reliable method to enhance pedicle screw pullout force in osteoporotic bone . Although modern PMMAs used in spinal surgery have a reduced exothermic polymerization reaction to minimize tissue necrosis and nerve damage, the problem of cement extrusion still persists . Modified cannulated pedicle screw to insert the cement more posteriorly demonstrated more often a cement leakage because of smaller holes with potentially much greater injection pressures .…”
Section: Discussionmentioning
confidence: 99%
“…Unfortunately all cementing techniques are associated with the potential complication of cement extrusion, with secondary effects due to nerve or cord compression, cement embolisms, and/or technical difficulties in the event of revision surgery. Cement extrusions are not rare, with reported rates falling between 5% and 39% . Clinical manifestations such as neurologic injury are fortunately less common .…”
mentioning
confidence: 99%
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