[Role of implantable loop recorder in the clinical diagnosis of syncope: results of the introduction of an effective diagnostic tool].

Abstract:

INTRODUCTION:Extension of electrocardiographic monitoring via loop recorder implantation may increase the diagnostic yield of syncope work-up. AIM:In this retrospective observational study, the authors wanted to evaluate the diagnostic performance of implantable loop recorder in the everyday clinical practice. METHOD:The authors analyzed the electronically stored data of all patients who underwent loop recorder implantation between 2005 and 2014 in their cardiology department because of recurrent syncope of undetermined origin. RESULTS:There were 52 loop recorder implantations within the study period. During the 167 (± 136) days of monitoring, 36 (69.2%) diagnostic events occurred. In two-thirds of events, (46.2% of all monitored patients) a specific arrhythmia diagnosis was reached, allowing definitive treatment in these cases. In this selected population, there was no correlation between age, presence of known high-risk predictors, or accompanying trauma, and the mechanism of syncope. CONCLUSIONS:The high diagnostic rate of implantable loop recorder in the everyday clinical practice is in accordance with the findings in prospective clinical studies. This observation supports the early application of loop recorder in the diagnostic algorithm of syncope. :Bevezetés: A spontán események monitorozásának kiterjesztése loop recorder beültetésével megnövelheti a definitív diagnózisok arányát a syncope kivizsgálása során. Célkitűzés: A szerzők retrospektív obszervációs vizsgálatban kívánták meghatározni az implantálható loop recorder diagnosztikus teljesítményét a syncope kivizsgálásában a mindennapi klinikai gyakorlat körülményei között. Módszer: A szerzők kardiológiai osztályán 2005 és 2014 közötti időszakban ismeretlen eredetű ismételt syncope miatt loop recorder beültetésen átesett összes beteg elektronikus adatbázisban tárolt adatait elemezték. Eredmények: A vizsgált időszakban 52 loop recorder beültetés történt. A monitorozás átlagosan 167 (±136) napja alatt 36 (69,2%) diagnosztikus esemény történt. Az események kétharmadában, azaz az összes vizsgálat 46,2%-ában a monitorozás arrhythmiás mechanizmust igazolt, amely ezen esetekben definitív terápiát tett lehetővé. Ebben a válogatott betegcsoportban az életkor, az ismert kockázatprediktorok és a syncopét kísérő trauma nem mutattak összefüggést az eszméletvesztés mechanizmusával. Következtetések: A loop recorder használatával a mindennapi gyakorlatban elért magas diagnózisarány összhangban van a klinikai vizsgálatok eredményeivel, ami alátámasztja a módszer korai alkalmazását a syncope kivizsgálási menetében. Orv. Hetil., 2015, 156(15), 609–613.

journal_name

Orv Hetil

journal_title

Orvosi hetilap

authors

Somlói M,Toldy-Schedel E,Nényei Z,Böszörményi R,Tomcsányi J

doi

10.1556/OH.2015.30124

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

609-13

issue

15

eissn

0030-6002

issn

1788-6120

pii

RG57K4M285555348

journal_volume

156

pub_type

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