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     <dc:title xml:lang="fr">Cryoablation percutanée des tumeurs osseuses :
analyse des complications dans un centre sur une période de 10 ans 
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     <dcterms:alternative xml:lang="en">Percutaneous bone tumor cryoablation: analysis of complications : a 10-year experience at a single center </dcterms:alternative>
     <dc:subject xml:lang="fr">cryoablation</dc:subject><dc:subject xml:lang="fr">percutané</dc:subject><dc:subject xml:lang="fr">thermoablation</dc:subject><dc:subject xml:lang="fr">os</dc:subject><dc:subject xml:lang="fr">complication</dc:subject>
     <dc:subject xml:lang="en">cryoablation</dc:subject><dc:subject xml:lang="en">percutaneous</dc:subject><dc:subject xml:lang="en">thermoablation</dc:subject><dc:subject xml:lang="en">bone</dc:subject><dc:subject xml:lang="en">complication</dc:subject><tef:sujetRameau><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027282066">Os</tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="02722189X">Cancer</tef:subdivision><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeForme" autoriteExterne="027253139">Thèses et écrits académiques</tef:subdivision>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027652440">Cryochirurgie </tef:elementdEntree><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeSujet" autoriteExterne="027790967">Complications</tef:subdivision><tef:subdivision autoriteSource="Sudoc" type="subdivisionDeForme" autoriteExterne="027253139">Thèses et écrits académiques</tef:subdivision>
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     <dcterms:abstract xml:lang="fr">Objectif: Evaluer le taux de complication et les facteurs de risque associés des cryoablations  osseuses (CO). Matériel et méthodes: Etude rétrospective chez 239 patients ayant bénéficié de CO pour 320 lésions osseuses primitives ou secondaires entre 2008 et 2017. Les complications étaient classées en complication majeure (grade3-4) et mineure (grade&lt;3) selon la «Common terminology criteria for adverse events v5.0». Les facteurs de risque ont été recherchés par une analyse univariée et les variables dont le p&lt; .20 ont été incluses dans un modèle multivarié.  Résultats Le taux de complication totale était de 9,1%(29/320). Le taux de complication majeure était de 2,5%(8/320). La complication majeure la plus fréquente était la fracture (1,2%[4/320]). Les autres complications majeures étaient: l’infection du site de CO (0,3%[1/320]), la dissémination tumorale (0,3%[1/320]), le saignement (0,3%[1/320]), l’hypotension sévère (0,3%[1/320]). Les principales complications mineures étaient les douleurs (2,2%), les neuropathies périphériques mineures (1,8%). L’âge&gt;70 ans (p=.04), la CO des os longs (p=.02), des structures critiques adjacentes (p=0,02), plus de 3 cryosondes (p=.04) étaient les facteurs de risques de complications globales. Les variables associées aux complications majeures étaient l’âge&gt;70 ans (p=.03) et l’utilisation de plus de 3 cryosondes (p=.01). Conclusion La cryoablation de tumeurs osseuses s’est avérée être sûre avec un taux faible de complications majeures (2.5%); la fracture secondaire est la principale de ces complications. Les variables associées aux complications majeures sont l’âge&gt;70 ans et l’utilisation de plus de 3 cryosondes.</dcterms:abstract>
     <dcterms:abstract xml:lang="en">Purpose : To report the complication rate and the associated risk factors of bone cryoablation(CA). Material and methods : A retrospective review of complications that have occurred in 239 consecutive patients who underwent CA of 320 primary or metastatic bone tumors between 2008 and 2017 was performed. Common terminology criteria for adverse events(CTCAE 5.0) was used to categorise complications into major (grade 3-4) and minor (grade&lt;3). A p-value &lt;.05 was considered statistically significant and multivariate analysis was performed for variables with p-value &lt;.20. Results : The total complication rate was 9.1% (29/320). Major complication rate was 2.5% (8/320), with bone fracture as the most frequent major complication (1.2%[4/320]; mean time to fracture 71 days). Other major complications include: infection of the CA site (0.3%[1/320]), tumor seeding(0.3%[1/320]), bleeding (0.3%[1/320], and severe hypotension (0.3%[1/320]). Common minor complications include post-procedural pain requiring analgesics (2.2%[7/320]), minor peripheral neuropathy (0.9%[3/320]), and temporary paresthesia (0.9%[3/320]). Majority complications often occur within 24h from CA (76%[22/29]). Age &gt;70 years (p=.04), long bone CA (p=.02), presence of critical structures adjacent to the ablation zone (p=.02), and the utilisation of &gt;3 cryoprobes (p=.04) were found to be predictors of all complications. Regarding major complications, age &gt;70 years (p=.03) and the utilisation of &gt;3 cryoprobes (p=.01) were found to be associated variables. Conclusion : Bone tumor CA was found to be safe given the low rate (2.5%) of major complications; secondary fracture is the most common major complication, and is more likely to occur in elderly patients and when more than 3 cryoprobes are used.</dcterms:abstract>
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       <tef:prenom>Pierre</tef:prenom>
       
       <tef:dateNaissance>1982-09-09</tef:dateNaissance>
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