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Wien, 28 - Repository of the LBI-HTA - Ludwig Boltzmann Gesellschaft

Wien, 28 - Repository of the LBI-HTA - Ludwig Boltzmann Gesellschaft

Wien, 28 - Repository of the LBI-HTA - Ludwig Boltzmann Gesellschaft

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Radi<strong>of</strong>requenzablation bei benignen und malignen Vera¨nderungen endokriner OrganeTabelle 4.1-2: Results from case series on radi<strong>of</strong>requency ablation for <strong>the</strong> treatment <strong>of</strong> thyroid cancerAuthor, year, reference numberPark (2011) [20]CountrySponsorInterventionProductMonitoring systemRF-GeneratorElectrodeComparatorStudy designNumber <strong>of</strong> patientsAge <strong>of</strong> patients (years)Sex <strong>of</strong> patients (M/F)KRgrant from IN-SUNG Foundation for Medical Research, KoreaRFAUS (producer n/a)Cool-tip (Radionics/Covidien)Well-Point RF (Taewong Medical)noneprospective case series11 (overall 16 tumors)O/ 69 (range 40-86)3 / 8Size <strong>of</strong> tumors (in cm) O/ 2.9 ( range 0.7 – 4.8)Indicationrecurrent, well-differentiated thyroid cancer; ineligible for surgeryNumber <strong>of</strong> RFA sessions in1 in 94 (100%)number <strong>of</strong> patientsoverall 10 ablations (=62.5%):1/16 (6.3%) failed RFA because <strong>of</strong> pain (probably from vagus nerve)Incomplete ablation sessions 5/16 (31.3%) incomplete ablation because <strong>of</strong> pain3/16 (18.8%) incomplete ablation because <strong>of</strong> tumor encasement <strong>of</strong> major vessels1/16 (6.25%) incomplete ablation because <strong>of</strong> severe calcified lesionFollow up (months) O/ 6 (range 1-14)Drop-out rate 1 (=9.1%)OutcomeEfficacySurvivalRecurrenceSymptoms(Enrollment / follow-up)Cosmetic gradeNodule Volume(in ml; recorded by US)Thyroid functionSafety10/11 (91%) at 1 monthn/aprotruding mass; follow-up after 4-14 months: 45% (5/11) / 0% (0/10); p=n/apalpable mass; follow-up after 6 months: 9.1% (1/11) / 0% (0/10); p=n/adiscomfort; follow-up after 1-5 months: 27.3% (3/11) / 18.2% (2/11); p=n/adysphagia; follow-up after 4 months: 18.2% (2/11) / 18.2% (2/11); p=n/an/aenrolment: O/ 8.5after 1-14 months: O/ 5.2; p=n/an/aComplications1/11 (9.1%) skin burn11/11 (100%) self-limited neck swelling and regional discomfort (resolved after 1-2weeks)Overall mortality1/11 (9.1%) patients (1 month after RFA because <strong>of</strong> respiratory failure)Procedure-related mortality 0 (=0%)M/F: male/female; n/a: not available; RF: radi<strong>of</strong>requency; RFA: radi<strong>of</strong>requency ablation; US: ultrasound24 <strong>LBI</strong>-<strong>HTA</strong> | 2012

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