ライフサイエンスコーパス: left atrium

1 re ablation in types III versus I (P=0.02 in left atrium).

2 ntified (mean, 2.3+/-0.9 per patient; 72% in left atrium).

3 eins with limited linear ablation within the left atrium.

4 Dense DE was detected at the left posterior left atrium.

5 inage into the hepatic vein, right atrium or left atrium.

6 terminalis/pectinate muscle, pulmonary veins/left atrium.

7 requires simultaneous global mapping of the left atrium.

8 electrical and anatomical remodeling of the left atrium.

9 positive curvature being concave toward the left atrium.

10 inhibits the SAN-specific genetic program in left atrium.

11 ing 15 located in right atrium and 10 in the left atrium.

12 m to the interatrial area and finally to the left atrium.

13 s the normal size and phasic function of the left atrium.

14 A 24-F guide is positioned in the left atrium.

15 radiofrequency ablation along the posterior left atrium.

16 mm) at the inferior levels of the posterior left atrium.

17 ery catheter with a clip was placed into the left atrium.

18 n the pulmonary veins, crista terminalis, or left atrium.

19 created in the mitral isthmus and posterior left atrium.

20 e catheter was placed transseptally into the left atrium.

21 cluders while adenosine was infused into the left atrium.

22 perior displacement of the leaflets into the left atrium.

23 y and an increase in PAI-1 expression in the left atrium.

24 a cycle length shorter than in the adjacent left atrium.

25 tentials when stimulation was shifted to the left atrium.

26 n was higher in the right atrium than in the left atrium.

27 significantly higher nerve density than the left atrium.

28 ilms of the chest can be diagnostic of giant left atrium.

29 ERNA, likely because of the exclusion of the left atrium.

30 Two IARTs originated in the left atrium.

31 a transducer and was then inserted into the left atrium.

32 eproducible boundary between the LAA and the left atrium.

33 f the reservoir and conduit functions of the left atrium.

34 m, but increased the conduit function of the left atrium.

35 e pulmonary artery and the pulmonary vein or left atrium.

36 distal coronary sinus (CS) or the posterior left atrium.

37 n the right ventricle, pulmonary artery, and left atrium.

38 closure of a low resistance runoff into the left atrium.

39 4 pulmonary veins near the junction with the left atrium.

40 rse remodeling in the left ventricle and the left atrium.

41 (RUPV), which is no longer committed to the left atrium.

42 ycardia activation in the previously ablated left atrium.

43 th unobstructed pulmonary venous drainage to left atrium.

44 cardial conduction patterns of the right and left atrium.

45 hese, 69% reentries and 71% foci were in the left atrium.

46 was performed, which revealed two lesions in left atrium.

47 ient; 7 in the right atrium versus 12 in the left atrium; 15 extrapulmonary).

48 ter effective refractory period (ERP) in the left atrium (251 +/- 25 ms vs. 233 +/- 32 ms, p = 0.04),

49 om 2 centers (age 63 +/- 10 years; 33 women; left atrium 38 +/- 7 mm; left ventricular ejection fract

50 ght ventricle (127+/-28 vs 83+/-14 mL/m(2)), left atrium (65+/-16 vs 41+/-9 mL/m(2)), and right atriu

51 the atrial septum via BB (right atrium, 62%; left atrium, 67%).

52 re common in the left atrium (n = 206 cells; left atrium: 76 with TATS, 30 without TATS; right atrium

53 the right atrium (109.2+/-5 ms) than in the left atrium (85.8+/-5.5 ms) at baseline (P=0.005).

54 Stage 3 pacing stimuli enabled consistent RA-left atrium activation until sinus rhythm was restored.

55 The clip was opened in the left atrium, advanced through the mitral orifice, and re

56 lmonary veins do not connect normally to the left atrium, allowing mixing of pulmonary and systemic b

57 The left atrium anatomy (volume, AP diameter), anatomy of th

58 e: 24+/-5%, 38+/-6% [P<0.001, <0.001] in the left atrium and 19+/-9%, 18+/-3% [P<0.001, <0.001] in th

59 was 17.5 +/- 3.9 pmol.mg-1 of protein in the left atrium and 29.2 +/- 6.1 pmol.mg-1 of protein in the

60 0 electric rotors, 47.8% were located in the left atrium and 52.2% in the right atrium.

61 PVs, with additional lines in the posterior left atrium and along the mitral isthmus, was performed

62 erents to 2 microg of ET-1 injected into the left atrium and attenuated the ischaemia-related increas

63 ents to 5 microg of U46619 injected into the left atrium and attenuated the ischaemia-related increas

64 to the cardio-phrenic space, compressing the left atrium and causing medium lobe atelectasis; bilater

65 t electrogram-based catheter ablation in the left atrium and coronary sinus after pulmonary vein isol

66 Lead V1 and electrograms from the left atrium and coronary sinus were analyzed to determin

67 In atrial fibrillation patients with dilated left atrium and hypertension or failed prior atrial fibr

68 We examined the reference values of left atrium and left ventricle (LV) structure in a large

69 n the normal position and normal size of the left atrium and left ventricle with a normal ejection fr

70 , mitral annulus disjunction (MAD), a larger left atrium and left ventricular end-systolic diameter,

71 h additional ablation lines in the posterior left atrium and mitral isthmus, with an 8-mm-tip cathete

72 ressure and volume, and shortened ERP in the left atrium and PV are potential factors facilitating an

73 oltage mapping (EnSite Precision, Abbott) of left atrium and PVs were performed using a conventional

74 Registration of 3D models of the left atrium and PVs with fluoroscopic images of the same

75 hallenging due to the complex anatomy of the left atrium and PVs, uncertain catheter positioning with

76 The mean LGE burden for left atrium and right atrium was 23.9+/-1.6% and 15.9+/-

77 Left pSHF moves to dorsal left atrium and superior AVC, whereas right pSHF contrib

78 e atria were paced from the postero-inferior left atrium and the caudal right atrium.

79 functional and structural parameters of the left atrium and the left atrial appendage which have bee

80 Anatomic structures such as the left atrium and the pulmonary veins (PVs) are not deline

81 Remarkably, many of the Pnmt(+) cells in the left atrium and ventricle appeared to be working cardiom

82 -echocardiogram revealed thrombus within the left atrium and ventricle.

83 terial input functions were derived from the left atrium and, in the case of (62)Cu-ETS, corrected fo

84 (rho=0.96 for right atrium and rho=0.92 for left atrium) and the DF gradient between them (rho=0.93)

85 or the right ventricle, 1.8+/-1.0 mm for the left atrium, and 2.3+/-1.1 mm for the left ventricle.

86 mages were manually segmented to isolate the left atrium, and custom software was implemented to quan

87 ht pSHF contributes to right atrium, ventral left atrium, and inferior AVC.

88 interatrial septum, pulmonary veins, roof of left atrium, and left posteroseptal mitral annulus and c

89 or diameter at annulus, right AVV overriding left atrium, and LV width.

90 ent catheterization of the pulmonary artery, left atrium, and right atrium, and a flow probe was posi

91 In guinea-pig left ventricle, left atrium, and right atrium, carbenoxolone increased R

92 res require careful navigation of the aorta, left atrium, and right heart, including detailed underst

93 changes in flow are evident by stasis in the left atrium, and seen as spontaneous echocontrast.

94 ial and antral areas, various regions of the left atrium, and the coronary sinus until AF terminated

95 the lung, an 18F sheath was delivered to the left atrium, and the left atrial port was closed using a

96 cantly the most efficacious, followed by the left atrium-aorta system and the left ventricle-aorta sy

97 d mean arterial pressure comparable with the left atrium-aorta system.

98 tracorporeal membrane oxygenation (n=4); (2) left atrium-aorta, TandemHeart system (n=4); (3) left ve

99 The left atrium appears to be the dominant chamber that sust

100 g for age, sex, type of atrial fibrillation, left atrium area, hypertension, structural heart disease

101 In the dilated MR left atrium, areas of increased interstitial fibrosis an

102 the left atrial appendage compared with the left atrium as a whole, which may predispose the appenda

103 After baseline recording, we paced the left atrium at 20 Hz for 1 week and then monitored left

104 C) flips, with the belly being convex to the left atrium at midsystole and concave at maximal valve o

105 SNP), or adenosine through a catheter in the left atrium before and 30 minutes after infusion of cyan

106 of AF underwent 3-dimensional DE-MRI of the left atrium before the ablation.

107 ff titin isoform, and muscle from the bovine left atrium (BLA), which expresses more compliant titin

108 nd numerous ablation lesions in the low-flow left atrium, but cerebral embolic risk in ventricular ab

109 ooster pump in the body and appendage of the left atrium, but increased the conduit function of the l

110 PITX2 is expressed in the adult left atrium, but much less so in other heart chambers.

111 be regulated by NO* and was increased in the left atrium by 1.8-fold in AF (P<0.05).

112 cally isolating the pulmonary veins from the left atrium by catheter ablation is superior to antiarrh

113 ly, we perturb the routing of the gut to the left atrium by laser ablation and pharmacology to show t

114 Adequate decompression of the left atrium can be achieved by transseptal placement of

115 (CNR, 8.9 vs 7.5; image quality, 438 vs 91), left atrium (CNR, 8.0 vs 5.3; image quality, 1006 vs 29)

116 ess was lower for tachycardias involving the left atrium compared with right atrial tachycardias.

117 hythmias have AF secondary to pulmonary vein-left atrium conduction recovery.

118 within the left ventricle as well as in the left atrium confirmed the presence of cavity obliteratio

119 In seven patients (11%), no coronary sinus-left atrium connection was seen; however, all showed a c

120 l fibrillation group showed a coronary sinus-left atrium connection, which was single in five patient

121 length, number, and extent of coronary sinus-left atrium connections were recorded.

122 In contrast, the right posterior left atrium contained predominantly patchy DE.

123 complex myocyte arrangement in the posterior left atrium contributes to activation time dispersion ad

124 nt or inducible, complex electrograms in the left atrium, coronary sinus, and superior vena cava were

125 We hypothesized that the left atrium could be accessed directly through the poste

126 ients, while contrast leakage and air in the left atrium could be excluded.

127 inside the right ventricle (-) and atop the left atrium (+) delivered shocks at 3 strengths (0.75, 1

128 The difference in left atrium (Delta LA) volume index was significant (P=0

129 ion, (2) a reduction in cardiac fibrosis and left atrium diameter (marker of end-diastolic pressure),

130 66, 59% women; mean age, 63+/-10 years, mean left atrium diameter, 45+/-6 mm) with a history of parox

131 g-standing persistent AF (age, 68+/-7 years; left atrium diameter, 46+/-3 mm; and AF duration, 25+/-1

132 ft ventricular dimension, deceleration time, left atrium dimension, E/e', and pro B-type natriuretic

133 ng of the right atrium, Bachmann bundle, and left atrium during sinus rhythm.

134 ulging of the mitral valve leaflets into the left atrium during ventricular systole.

135 ion] vs 19.0 +/- 7.8, P = .002) and lower LA left atrium ejection fraction (45.9 +/- 10.7 vs 51.3 +/-

136 +/-4.8 versus 28.6+/-4.3 cm(2); P=0.02), and left atrium (end-diastolic volume, 65+/-19 versus 72+/-1

137 left ventricular dysfunction (LVEF<50%) and left atrium enlargement were independently associated wi

138 ew York Heart Association III to IV classes, left atrium enlargement, and improvement/normality of LV

139 nts (88.9%), whereas 1 patient with multiple left atrium foci was treated with the surgical maze oper

140 cardiomyocytes were isolated from right and left atrium, followed by electrophysiological and molecu

141 e commonly used on the posterior wall of the left atrium for atrial fibrillation ablation to prevent

142 ecessitates careful distinction of far-field left atrium from the local coronary sinus electrograms b

143 voir phase has been proposed as a measure of left atrium function in a range of cardiac conditions, w

144 morbidity were slight mitral regurgitation, left atrium > or =40 mm, flail leaflet, atrial fibrillat

145 e MB-LATER score (Male, Bundle brunch block, Left atrium >/=47 mm, Type of AF [paroxysmal, persistent

146 A bigger proportion of myocytes in the left atrium had organized T-tubules and topography than

147 r ablation of ganglionated plexi (GP) in the left atrium has been proposed in different subgroup of p

148 in 85% of patients (1.8 +/- 1.3) and in the left atrium in 90% of patients (2.0 +/- 1.3).

149 receptor (TGF-beta-RII-DN) in the posterior left atrium in a canine heart failure model will suffici

150 l of the right atrium and at the roof of the left atrium in Bachmann's bundle to allow bipolar pacing

151 was placed on the epicardial surface of the left atrium in dogs.

152 mostly due to extension of thrombi into the left atrium in prosthetic mitral valves.

153 r, mid-, and inferior parts of the posterior left atrium in reference to the spine.

154 Decompression of the left atrium in this setting is essential for resolution

155 y artery) and pressure (pulmonary artery and left atrium) in 18 healthy minipigs under acute haemodyn

156 The mean left atrium instrumentation time was lower in the OIC-1

157 ough there was a decrease in fluoroscopy and left atrium instrumentation time with the use of OIC at

158 calized foci originating from pulmonary vein-left atrium interfaces.

159 and are consistent with a model in which the left atrium is activated predominantly over Bachmann's b

160 The manner in which the left atrium is activated, as reflected by coronary sinus

161 The posterior left atrium is an arrhythmogenic substrate that contribu

162 e mitral annulus-aorta (MA-Ao) junction, the left atrium is continuous through the subaortic curtain

163 luid column between the pulmonary artery and left atrium is interrupted.

164 ereas the nerve-rich fat in the HF posterior left atrium is positively correlated with AF EGM entropy

165 atrial adipose tissue mass posterior to the left atrium is related to AF independent of demographica

166 Although Pitx2 is expressed in postnatal left atrium, it is unknown whether Pitx2 has distinct po

167 TEE provides imaging of the left atrium, its appendage and the proximal thoracic aor

168 5 age matched patients selected to have NSR, left atrium (LA) > 4.0 cm but no SEC.

169 were recorded biatrially at baseline, in the left atrium (LA) after PVI and linear lesions (roof and

170 of congenital P-MAIVF communicating with the left atrium (LA) and an aberrant right subclavian artery

171 ence suggests a link between fibrosis in the left atrium (LA) and atrial fibrillation (AF), the most

172 cal connections to the right atrium (RA) and left atrium (LA) and forms an RA-LA connection.

173 with endocardial dysfunction, limited to the left atrium (LA) and LAA and manifest as reduced nitric

174 to ablation demonstrates the anatomy of the left atrium (LA) and pulmonary veins with significant di

175 The size and function of the left atrium (LA) and right atrium (RA) are related close

176 imaging modalities are able to visualize the left atrium (LA) and, therefore, allow for quantificatio

177 s were made from a wide right atrium (RA) to left atrium (LA) bipole and digitally filtered.

178 )) and BK (1 microg) in combination into the left atrium (LA) caused an additive response in 16 affer

179 cle length (CL) gradient between PVs and the left atrium (LA) in an attempt to identify the subset of

180 aused by radiofrequency (RF) ablation of the left atrium (LA) in patients with atrial fibrillation ca

181 ml of PRP+collagen or PRP+thrombin into the left atrium (LA) increased activity of 16 cardiac affere

182 stributions at the human pulmonary vein (PV)-left atrium (LA) junction.

183 rial fibrillation (AF) by fast rotors in the left atrium (LA) or at the pulmonary veins (PVs) is not

184 Pulmonary veins (PVs) and left atrium (LA) play a critical role in the pathophysio

185 othelin 1 (ET-1, 1, 2 and 4 microg) into the left atrium (LA) stimulated seven ischaemically sensitiv

186 electrical and structural remodeling in the left atrium (LA) that begets atrial myopathy and arrhyth

187 zed that waves emanating from sources in the left atrium (LA) undergo fragmentation, resulting in lef

188 aluation of the pulmonary veins (PV) and the left atrium (LA) using computed tomography.

189 e ablation, extensive voltage mapping of the left atrium (LA) was performed using a multipolar Lasso

190 d (HCN2) pacemaker current isoform in canine left atrium (LA) would constitute a novel biological pac

191 rical activity in the right atrium (RA), the left atrium (LA), and both atria, respectively, were ana

192 LE score (Age, Persistent AF, imPaired eGFR, Left atrium (LA), EF) was calculated at baseline, while

193 The patterns of activation of the human left atrium (LA), how they relate to atrial myocardial a

194 activation between the right atrium (RA) and left atrium (LA), particularly along the right and left

195 an overall increase in mean z scores for LV, left atrium (LA), RV, interventricular septum, and LV po

196 he TxA(2) mimetic, U46619, injected into the left atrium (LA), stimulated seven ischaemically sensiti

197 e the risk of thromboembolic stroke from the left atrium (LA), the exact mechanisms remain poorly und

198 cardium likely affects its coupling with the left atrium (LA), this issue has not been investigated i

199 F) may result from stationary reentry in the left atrium (LA), with fibrillatory conduction toward th

200 side of the mediastinum and drained into the left atrium (LA).

201 ays preceded the earliest electrogram in the left atrium (LA).

202 ium (RA) and in all (n=19) recordings of the left atrium (LA).

203 a prosthesis positioned entirely within the left atrium (LA).

204 ression and electrical function of the adult left atrium (LA).

205 AF) based on low-voltage areas (LVAs) in the left atrium (LA).

206 d of 11 tachycardias (6 right atrium [RA], 4 left atrium [LA] and 1 biatrial).

207 a left ventricular cavity >54 mm, 87% had a left atrium </=40, and 100% had an E/E' <12.

208 healthy native tissue, future access to the left atrium may be achieved.

209 raction between wave fronts in the right and left atrium may be important for maintenance of atrial f

210 Ablation along the posterior left atrium may cause an atrioesophageal fistula.

211 on velocity and image intensity ratio in the left atrium (mean +/- SD) were 0.98 +/- 0.46 and 0.95 +/

212 Coronary sinus-left atrium muscle connections were seen in 58 of the 65

213 t coronary sinus function and coronary sinus-left atrium muscle connections.

214 +/- 2.0 microm) and were more common in the left atrium (n = 206 cells; left atrium: 76 with TATS, 3

215 in the region of the pulmonary veins (n=5), left atrium (n=2), or crista terminalis (n=3).

216 he mitral valve (n=3) and in the roof of the left atrium (n=7).

217 in the right atrium and 53 +/- 23 ms in the left atrium) observed during AF were reactivated by a wa

218 bore vascular access, navigation within the left atrium, occlusion, snaring, and 3-dimensional relat

219 pse (MVP), an abnormal displacement into the left atrium of a thickened and redundant mitral valve du

220 GAP43-positive and TH-positive nerves in the left atrium of dogs with AF was 119+/-61 and 91+/-40 per

221 fic gene expression, including Shox2, in the left atrium of embryos and young adults.

222 p22phox were significantly increased in the left atrium of goats after 2 weeks of AF and in patients

223 t injection+electroporation in the posterior left atrium of plasmid expressing a dominant-negative TG

224 Conduction velocity did not change in the left atrium of the HF group and increased minimally in t

225 up B, n = 50) or to ablation of CFAEs in the left atrium or coronary sinus for up to 2 additional hou

226 Linear ablation within the left atrium (OR, 0.22; 95% CI, 0.10-0.49; P<0.001), but

227 large structures (e.g., the left ventricle, left atrium, or sections of the aorta) where PVEs were n

228 regions, specifically in the inferoposterior left atrium (p < 0.01), superior right atrium (p < 0.05)

229 was greater in the right atrium than in the left atrium (P=0.004).

230 The association between LA left atrium parameters and myocardial fibrosis was evalu

231 Regular contractions of the left atrium persisted during the initial 7 mins of untre

232 ng atrial fibrillation (AF) in the posterior left atrium (PLA) and elsewhere are being used as target

233 ncy power and target LSI for ablation on the left atrium posterior wall (20 W/LSI 4, 20 W/LSI 5, 40 W

234 All 4 pulmonary veins and the left atrium posterior wall were found isolated in 69% an

235 ll can change the electric conduction of the left atrium, potentially leading to atrial fibrillation

236 Ang II infusion into the left atrium produced increases in ISF NE and Epi in norm

237 Thermodynamics in the left atrium-pulmonary vein (PV) junction, phrenic nerve,

238 sue cooling spread radially from the balloon-left atrium-PV contact point.

239 were placed on the epicardial surface of the left atrium-PV junction, as well as on the phrenic nerve

240 determine how activation proceeding from the left atrium reaches the AV node.

241 vein (PV) isolation is associated with PV to left atrium reconduction.

242 Consequently, high rates of pulmonary vein-left atrium reconnections are consistently seen in clini

243 Therefore, enlargement of the left atrium reflects remodeling associated with pathophy

244 Reduced LA left atrium regional and global function are related to

245 ease in regional blood flow to the right and left atrium, respectively, and acute hemorrhage, medial

246 Histological evaluation of the left atrium revealed that percent fibrosis was significa

247 X in guinea-pig heart in tissue samples from left atrium, right atrium, septum, left ventricle and ri

248 s included 14 mitral (4 RF/2 RF+PF/8 PF), 34 left atrium roof (12 RF/22 PF), and 44 cavotricuspid ist

249 dial infarction and implantation of an LV-to-left atrium shunt to create standardized moderate volume

250 t, a personalized computational model of the left atrium simulated AF induction via rapid pacing.

251 sessment of the pulmonary vein ostia and the left atrium size in computed tomography presents a good

252 CONVERGE permitted left atrium size up to 6 cm and imposed no limits on AF

253 The variability of the left atrium size was 21% for the diameter and 35% for th

254 years; body mass index, 31.7+/-6.0 kg/m(2); left atrium size, 54+/-10 mm, with persistent/long-stand

255 10.7 vs 51.3 +/- 8.7, P < .001), maximal LA left atrium strain ( Smax maximum LA strain ) (25.4 +/-

256 7 vs 30.6 +/- 10.6, P < .001) and maximum LA left atrium strain rate ( SRmax maximum LA strain rate )

257 +/- 0.42 vs -1.01 +/- 0.48, P < .001) and LA left atrium strain rate at atrial contraction peak ( SRA

258 9 +/- 0.51, P < .001), and lower absolute LA left atrium strain rate at early diastolic peak ( SRE LA

259 heterogeneously distributed in the posterior left atrium than in the left atrial appendage.

260 ge in DF/FI/Shannon entropy in the posterior left atrium than left atrial appendage, with the decreas

261 pronounced reverse remodeling effects on the left atrium that independently correlate with improved c

262 It also points out that a giant left atrium that occasionally occurs in patients with rh

263 For ectopic foci in the pulmonary veins and left atrium, the site of conduction block and reentry gr

264 septal morphology were identified: 1) large left atrium, thick prominent septum secondary with thin

265 atrial septum (type B, n = 4), and 3) giant left atrium, thin atrial septum with severe mitral regur

266 8.3+/-7 versus 19.4+/-4.3 minutes; P<0.001), left atrium time (104+/-25 versus 92+/-23 minutes; P<0.0

267 ontractility, and greater force developed by left atrium to complete LV filling (all p < 0.05).

268 From the left atrium to distal PV, there was progressive shorteni

269 he left ventricle to aortic pressure, in the left atrium to left atrial pressure, and in all heart ch

270 atient, ranging from the upper border of the left atrium to the bottom of the heart, for a total of 2

271 There was a frequency gradient from the left atrium to the coronary sinus (p = 0.02).

272 erwent placement of 2 sonomicrometers on the left atrium, transesophageal echocardiography, and invas

273 restitution characteristics of the posterior left atrium, translating into a decrease in AF and incre

274 In a multivariable-adjusted estimates, left atrium volume >165 mL, absent normal sinus rhythm a

275 Persistent AF patients had larger indexed left atrium volume (55 +/- 18 ml vs. 41 +/- 12 ml and 47

276 , 1.20; 95% CI, 1.09-1.33; P<0.001), maximum left atrium volume before mitral valve opening (HR, 1.02

277 r longitudinal systolic function and maximum left atrium volume before mitral valve opening, and as s

278 Left atrium volume index increased during CNI (46.73+/-1

279 ar group had significantly higher minimum LA left atrium volume than the control group (mean, 22.0 +/

280 LA left atrium volume, strain, and strain rate were analyze

281 ion and measured global longitudinal strain, left atrium volumes, and PALS within 48 hours of admissi

282 Distance between the esophagus and left atrium was 4.4+/-1.2 mm.

283 ority were ablated for the first time (71%); left atrium was 43+/-6 mm; and left ventricular function

284 Access to the left atrium was achieved in all 5 animals and all surviv

285 the 3311 patients with echocardiograms, the left atrium was enlarged in 64.7 percent and left ventri

286 Inability to decompress the left atrium was fatal in two patients.

287 Mapping of the right and left atrium was performed using conventional electrode c

288 A simulated trajectory to the left atrium was present in all of 10 human cardiac compu

289 etween inferior vena cava, right atrium, and left atrium were found.

290 The pulmonary veins and left atrium were mapped during spontaneous or induced AF

291 Catheter/sheath manipulations in left atrium were performed in 25 of 27 pigs outfitted wi

292 emperature control, no char was noted in the left atrium, whereas 8% of the right atrium burns had ch

293 vena cava, right atrium, foramen ovale, and left atrium with a guidewire and 1.8F to 2.6F tapered ca

294 36 hemodynamic stages in vivo, replacing the left atrium with a rigid chamber and column for direct v

295 olation of the pulmonary veins and posterior left atrium with a single ring of radiofrequency lesions

296 T study, favorable reverse remodeling of the left atrium with CRT-D therapy was associated with a sig

297 the introducer sheath was tracked toward the left atrium with the use of novel miniature MR guide wir

298 primary adherent (type A, n = 12); 2) small left atrium with thick, muscular atrial septum (type B,

299 ction of TGF-beta signaling in the posterior left atrium-with resulting decrease in replacement fibro

300 to-right interatrial shunt to decompress the left atrium (without compromising left ventricular filli