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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Microvascular decompression &#40;MVD&#41; is a non-ablative technique aimed at relieving pain in trigeminal neuralgia &#40;TN&#41; by resolving a neurovascular conflict&#46; Despite reported high success rates&#44; a significant percentage of patients experience therapeutic failure&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Methods</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Retrospective observational study of patients with suspected TN undergoing MVD was performed with the goal of identifying factors contributing to the persistence and recurrence of pain&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">In the present study&#44; 31 patients undergoing 38 MVD procedures for TN were included &#40;7 patients underwent reoperation after the failure of the initial operation&#41;&#46; The mean age was 58&#46;5 years with a male predominance &#40;58&#46;1&#37;&#41;&#46; The mean duration of pain was 6&#46;4 years&#44; mainly affecting branches V2 and V3 &#40;46&#46;7&#37;&#41;&#46; The most frequently described neurovascular conflict was with the superior cerebellar artery &#40;54&#46;8&#37;&#41;&#44; predominantly resolved with Teflon &#40;75&#46;9&#37;&#41;&#46;</p><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">In our case series&#44; MVD achieved pain control in 80&#46;6&#37; of patients at one-year post-intervention and 61&#46;3&#37; at the end of the follow-up period&#46; Twelve patients experienced MVD failure&#58; 5 cases of persistent pain and 7 cases of pain recurrence&#46; A detailed analysis of these failures identified misdiagnosis as the reason of persistent pain in 4 patients&#44; while inadequate surgical technique could be the cause of pain recurrence in 6 patients&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">In our study&#44; therapeutic failures could mainly be attributed to two factors&#58; misdiagnosis or the use of inappropriate materials&#46; These factors should be considered when optimizing the management of DMV in patients with NT&#46;</p></span>"
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Clinical Research
Review of therapeutic failures of microvascular decompression in trigeminal neuralgia at a tertiary hospital
Revisión de los fracasos terapeúticos de la descompresión microvascular en la neuralgia del trigémino en un hospital terciario
Emilio González Martínez
Corresponding author
, Giancarlo Mattos-Piaggio, David Santamarta Gómez
Servicio de Neurocirugía, Hospital Universitario de León, León, Spain
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Introduction</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Microvascular decompression &#40;MVD&#41; is a non-ablative technique aimed at relieving pain in trigeminal neuralgia &#40;TN&#41; by resolving a neurovascular conflict&#46; Despite reported high success rates&#44; a significant percentage of patients experience therapeutic failure&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Methods</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">Retrospective observational study of patients with suspected TN undergoing MVD was performed with the goal of identifying factors contributing to the persistence and recurrence of pain&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">In the present study&#44; 31 patients undergoing 38 MVD procedures for TN were included &#40;7 patients underwent reoperation after the failure of the initial operation&#41;&#46; The mean age was 58&#46;5 years with a male predominance &#40;58&#46;1&#37;&#41;&#46; The mean duration of pain was 6&#46;4 years&#44; mainly affecting branches V2 and V3 &#40;46&#46;7&#37;&#41;&#46; The most frequently described neurovascular conflict was with the superior cerebellar artery &#40;54&#46;8&#37;&#41;&#44; predominantly resolved with Teflon &#40;75&#46;9&#37;&#41;&#46;</p><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">In our case series&#44; MVD achieved pain control in 80&#46;6&#37; of patients at one-year post-intervention and 61&#46;3&#37; at the end of the follow-up period&#46; Twelve patients experienced MVD failure&#58; 5 cases of persistent pain and 7 cases of pain recurrence&#46; A detailed analysis of these failures identified misdiagnosis as the reason of persistent pain in 4 patients&#44; while inadequate surgical technique could be the cause of pain recurrence in 6 patients&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Conclusion</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">In our study&#44; therapeutic failures could mainly be attributed to two factors&#58; misdiagnosis or the use of inappropriate materials&#46; These factors should be considered when optimizing the management of DMV in patients with NT&#46;</p></span>"
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