+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

A Novel Annotation Technique During Mapping to Facilitate the Termination of Atrial Tachycardia Following Ablation for Atrial Fibrillation

, : A Novel Annotation Technique During Mapping to Facilitate the Termination of Atrial Tachycardia Following Ablation for Atrial Fibrillation. Journal of Cardiovascular Electrophysiology (): -

The treatment of atrial tachycardia (AT) occurring after ablation for atrial fibrillation (AF) is challenging. The most common ablation strategy relies on entrainment, and electroanatomic activation mapping (EAM) using a conventional window of interest (WOI), centered on the easily detectable atrial signal on the coronary sinus catheter. We describe a novel EAM annotation technique that uses a WOI starting 40 milliseconds prior to the P wave in order to detect the reentrant AT exit site. This WOI timing is based on the similarity between scar-related reentrant AT and scar-related ventricular tachycardia. Patients with AT after prior ablation for AF were included. The EAM of the AT was performed using the novel mapping annotation technique. The ablation was considered successful if the AT terminated during ablation at the site identified by this strategy. Twenty-eight patients with 36 ATs were included. The ATs were classified as follows: mitral annulus (13/36), roof (11/36), anterior/posterior/lateral left atrial wall (10/36), and RA (2/36). A complete EAM using the novel annotation technique was achieved in 34 of 36 AT's, encompassing 94 ± 6.5% of the cycle length. Low amplitude pre-P fractionated electrograms were found in 34 of 36 (94%) ATs and these occurred at a mean distance of 1.8 ± 1.2 mm from the "early-meets-late" line. Ablation at these areas resulted in termination of 34 of 36 ATs (94%). The novel EAM annotation allows the accurate detection of the critical isthmus of post-AF ablation AT. Ablation of these isthmuses results in termination of the AT in the vast majority of patients.


PMID: 27506179

DOI: 10.1111/jce.13063

Other references

Riser, N.W., 1951: The procercoid larva of Lacistorhynchus tenuis. Jit: 26

Hadorn, Ernst, 1966: Constancy, growth and type of determination and differentiation in cells from male genital rudiments of Drosophila melanogaster after long-term culture in vivo. Larval primordia of the male genital imaginal disk of Drosophila melanogaster whose cells are determined for forming specific elements of the genital apparatus and the anal region, were cultivated for years in the abdomens of adult females. In thi...

Wiederhold, M.L., 1974: Aplysia statocyst receptor cells: intracellular responses to physiological stimuli. Brain Research 78(3): 490-494

Nelson, B.K.; Snyder, D.L.; Shaw, P.B., 2001: Developmental toxicity interactions of methanol and radiofrequency radiation or 2-methoxyethanol in rats. This research was undertaken to determine potential interactions among chemical and physical agents. Radiofrequency (RF) radiation is used in numerous workplaces, and many workers are concurrently exposed to RF radiation and various chemicals. The...

Wang, L.; Zheng, Q.; Zhang, Q'an.; Xu, H.; Tong, J.; Zhu, C.; Wan, Y., 2012: Detection of single tumor cell resistance with aptamer biochip. In this study, a novel RNA aptamer biochip was developed for tumor cell capture and detection of single cell resistance. This biochip consists of a polydimethylsiloxane (PDMS) cover containing a channel for introducing cells and sustaining their a...

Anton, V., 1958: Experimental study of the possible extrapancreatic formation of insulin. Doses of alloxan too small to produce hepatorenal damage increase the glycemia in depancreatized dogs.

Dexter, D.M., 1977: Natural history of the pan american sand beach isopod excirolana braziliensis crustacea malacostraca. A population of the interidal isopod E. braziliensis was followed over a 10 mo. period at Naos Island, Panama. Average intertidal density was 2147/m2 with maximum abundance occurring in the highest level. Adults were present only in the highest ti...

Day, A.L.; Stinson, V.; Catano, V.M.; Kelloway, E.Kevin., 2006: Third-party attitudes and strain reactions to the threat of a labor strike. The authors examined how dispute-related stressors predicted strain experienced by third parties (N = 270) and their perceptions of a potential strike by part-time faculty. Immediately preceding a strike deadline, the authors surveyed students on...

D.F.anca, M.A.G.; Langer, M.C.; Ferigolo, J., 2013: The skull anatomy of Decuriasuchus quartacolonia Pseudosuchia Suchia Loricata from the middle Triassic of Brazil. Unlike most rauisuchians, which are known based on partially preserved specimens, fossils attributed to <I>Decuriasuchus quartacolonia</I> include a monotaxonomic assemblage composed of nine associated individuals (MCN-PV10.105a–...

Webb John A.; Fielding Chris R., 1993: Permo-Triassic sedimentation within the Lambert Graben, northern Prince Charles Mountains, East Antarctica. International Gondwana Symposium: ges 357-369. 1993.