Author/Editor | Rakovec, Peter | |
Title | Atrijska fibrilacija in undulacija | |
Translated title | Atrial fibrillation and atrial flutter | |
Type | članek | |
Source | Med Razgl | |
Vol. and No. | Letnik 42, št. Suppl 4 | |
Publication year | 2003 | |
Volume | str. 29-32 | |
Language | slo | |
Abstract | Atrial fibrillation is the most common sustained cardiac arrhythmia. Atrial flutter is less common, less stable and unpredictable. The mechanism of both arrhythmias is via re-entry. In fibrillation, there are several re-entry circuits in the atria; flutter, however, is based on a single re-entry circuit. Paroxysmal atrial fibrillation is triggered by premature atrial beats, most often from the orifices of the pulmonary veins. Increased atrial size, inflammation, and toxic and hormonal influences all promote atrial arrhythmias. Atrial flutter can be successfully treated by radiofrequency ablation. Experimentally, the same is true of paroxysmal atrial fibrillation, but the success rate is much lower. Therefore, antiarrhythmic drugs are still the treatment of choice. Permanent atrial fibrillation is best managed by regulating ventricular response and anticoagulation. | |
Summary | Atrijska fibrilacija je najpogostejša obstojna aritmija. Atrijska undulacija je mnogo redkejša in je manj ustaljena ter predvidljiva. Obe aritmiji temeljita na mehanizmu kroženja vzburjenja. Pri fibrilaciji je v preddvorih več krožnic, medtem ko je pri undulaciji samo ena. Pri paroksizmalni obliki atrijske fibrilacije igra veliko vlogo prožilo napadov; to so navadno prezgodnji utripi (ekstrasistole), ki izhajajo iz ustij pljučnih ven. Povečanje preddvorov, vnetni, toksični in hormonski vplivi pospešujejo nastanek atrijskih aritmij. Atrijsko undulacijo lahko pozdravimo z radiofrekvenčno ablacijo. Tudi paroksizmalno obliko atrijske fibrilacije je - za zdaj še eksperimentalno - mogoče pozdraviti na ta način, dasiravno ne v vsakem primeru. Zato je še vedno na prvem mestu zdravljenje z zdravili. Stalno atrijsko fibrilacijo najbolje zdravimo z urejanjem prekatne frekvence in s protikoagulantnimi zdravili. | |
Descriptors | ATRIAL FLUTTER ATRIAL FIBRILLATION CATHETER ABLATION AGE FACTORS |