ライフサイエンスコーパス: biventricular

1 subtypes: single chamber, dual chamber, and biventricular.

2 ; and ICD type: single-chamber (2 points) or biventricular (1 point) device.

3 points), ICD type dual chamber (2 points) or biventricular (4 points), and nonelective ICD implant (3

4 s of African descent can be characterized by biventricular abnormality and pulmonary hypertension, in

5 ent Task Force criteria may fail to diagnose biventricular ACM before death.

6 ssociated with variants in DSP and LMNA, and biventricular ACM with more a diverse etiology in desmos

7 were probands, including 16 RV, 7 LD, and 9 biventricular ACM.

8 Women had a peculiar biventricular adaptation, with higher LV/RV (1.41+/-0.16

9 prove clinically following alternative site, biventricular and cardiac resynchronization pacing.

10 atients and was completely abolished by both biventricular and left ventricular pacing (P<0.05).

11 olume relation before and during delivery of biventricular and left ventricular pacing.

12 ved/unchanged/worsened in 53%/24%/24% in the biventricular arm compared with 39%/33%/28% in the RV ar

13 rdiac-restricted phenotype of an early onset biventricular arrhythmogenic cardiomyopathy.

14 Experience with the use of biventricular assist device (BiVAD) support to bridge sm

15 Use of biventricular support (biventricular assist device or total artificial heart) w

16 tivariable analysis identified lower weight, biventricular assist device support, and elevated biliru

17 renal dysfunction, hepatic dysfunction, and biventricular assist device use were associated with mor

18 medical therapy with intravenous inotropes, biventricular assist devices (Bi-VADs) and the total art

19 Mortality was highest in patients with biventricular assist devices (HR, 5.00; P<0.0001) and te

20 s, 23% right ventricular assist devices, 18% biventricular assist devices).

21 Outcomes in patients requiring biventricular assist devices, total artificial heart, an

22 AMI: 443 left ventricular assist devices; 33 biventricular assist devices; and 26 total artificial he

23 controlled study that analyzed 700 patients (biventricular [Bi-V] ICD and non-Bi-V ICD) with primary

24 ce computing simulations using a human torso/biventricular biophysically-detailed model were conducte

25 e-ventricular (VVI), single-atrial (AAI), or biventricular (BiV) devices.

26 In this study, we demonstrate synchronized biventricular (BiV) pacing in a leadless fashion by impl

27 ction during right ventricular (RV), LV, and biventricular (BiV) pacing in patients with narrow QRS d

28 ardiac resynchronization therapy assume that biventricular (BiV) pacing results in collision of right

29 zation therapy (CRT) is usually performed by biventricular (BiV) pacing.

30 r pacing is used as an indicator of adequate biventricular (BiV) pacing.

31 BB, the lateral wall contracts early so that biventricular (BiV) pre-excitation may not be needed.

32 Endocardial biventricular (BiV) stimulation may provide more flexibi

33 chrony, it is uncertain whether simultaneous biventricular (BiV), sequential BiV, or left ventricular

34 A subset of patients has achieved a biventricular (BV) circulation after fetal aortic valvul

35 by the prediction of univentricular (UV) or biventricular (BV) circulation.

36 ggest that even a relatively high-percentage biventricular capture may be inadequate, and that the be

37 intensive exercise results in physiological biventricular cardiac adaptation.

38 Our prior studies suggest biventricular cardiac dysfunction and vascular impairmen

39 und several individuals with severe forms of biventricular cardiomyopathy characterized by mainly lef

40 was associated with outcome in children with biventricular circulation (hazard ratio, 2.7; 95% confid

41 was associated with outcome in children with biventricular circulation (hazard ratio, 4.7; 95% confid

42 hnical success [94%], fetal demise [4%], and biventricular circulation [66%]), the model projected th

43 more than twice as many were discharged with biventricular circulation after successful FCI versus th

44 ccurate model for predicting survival with a biventricular circulation among the full cohort is: 10.9

45 ment failures, the percentages were similar: biventricular circulation at discharge was 31.3% versus

46 fetal demise exceeded 12% or probability of biventricular circulation fell below 26%, but FAV remain

47 esting during HT evaluation in children with biventricular circulation identified those at higher ris

48 In contrast, all 6 fetuses with a biventricular circulation postnatally had antegrade flow

49 Seventeen patients had a biventricular circulation postnatally, 15 from birth.

50 intervention are very unlikely to achieve a biventricular circulation postnatally.

51 y developed HLHS and those that maintained a biventricular circulation postnatally.

52 Native biventricular circulation was achieved in 12 patients af

53 Biventricular circulation was achieved in 50% of 111 liv

54 ple interventions may be required to achieve biventricular circulation, but stenting of the arterial

55 enty-five patients (83% of survivors) have a biventricular circulation.

56 ents, this strategy allowed establishment of biventricular circulation.

57 able follow-up data, 17 had HLHS and 6 had a biventricular circulation.

58 success were pre-specified for patients with biventricular circulation: 1) 20% reduction in right ven

59 membrane oxygenation offers the advantage of biventricular circulatory support and oxygenation, but t

60 8 h following aortic constriction, fulminant biventricular congestive heart failure, characterized by

61 We compare biventricular contractile and metabolic parameters measu

62 ith ESHP while invasive and noninvasive (NI) biventricular contractile, and metabolic assessments wer

63 hypothesized that staged LV recruitment and biventricular conversion may be achieved after SVP by us

64 Biventricular CRT was performed using a fixed right vent

65 devices (LVADs) provide better outcome than biventricular devices, but it is a challenge to predict

66 -75% interquartile range, 3.2-4.6) years for biventricular devices.

67 agnosis characterized by left ventricular or biventricular dilation and impaired contraction that is

68 ac adaptation to regular exercise, including biventricular dilation and T-wave inversion (TWI), may c

69 r evidence of cardiomyopathy associated with biventricular dilation and wall thickness changes.

70 TWI and balanced biventricular dilation are likely to represent benign ma

71 ational marathon training is associated with biventricular dilation, enhanced left ventricular diasto

72 rmalities reflective of human ACM, including biventricular dilation, reduced ejection fraction, cardi

73 valence of PKP2 variants (p < 0.01), whereas biventricular disease was associated with a younger age

74 In RV and biventricular disease, electrocardiographic preceded ima

75 t structural injury, to an advanced stage of biventricular dysfunction (H), different stages of lung

76 In patients with repaired TOF, biventricular dysfunction on CMR imaging was associated

77 , or restrictive physiology; (2) with severe biventricular dysfunction predicting unsuccessful univen

78 Pediatric HT recipients have biventricular dysfunction using pulsed-wave tissue Doppl

79 Neither biventricular E/e' ratio nor biatrial stiffness changed

80 There was no difference in biventricular ejection fraction between TTNtv(+/-) group

81 Participants underwent biventricular EMB and cardiac MRI at 1.5 T, including na

82 In particular, 2396 (56.8%) underwent biventricular EMB, 1153 (27.3%) underwent selective LVEM

83 Patients underwent biventricular EMB, cardiac catheterization (for exclusio

84 Biventricular end-diastolic volume, end-systolic volume,

85 Ndufs6(gt/gt) mice develop biventricular enlargement by 1 mo, most pronounced in ma

86 disease, ACM is increasingly recognized as a biventricular entity.

87 ught to compare left ventricular (LVepi) and biventricular epicardial pacing (BIVepi) with LV (LVendo

88 tivation times (LATs) for LV endocardial and biventricular epicardial tissue were calculated (LVLAT a

89 pressure overload (RVPO) and further explore biventricular expression of two key proteins that regula

90 transplant time point this patient exhibited biventricular failure along with graft dysfunction while

91 hospitalized for fulminant myocarditis with biventricular failure and cardiogenic shock, acutely man

92 farction, acute decompensated heart failure, biventricular failure, and myocarditis), and explore man

93 arts are being designed for the treatment of biventricular failure.

94 g protocols for both isolated RV failure and biventricular failure.

95 dilated phenotype and pathologic evidence of biventricular fibro-adipose replacement, in a 33-year ol

96 nistration of inhaled sodium nitrite reduces biventricular filling pressures and pulmonary artery pre

97 VSD patients, MRT was associated with higher biventricular filling pressures and reduced cardiac outp

98 Elevated biventricular filling pressures were common among patien

99 4 and12.9+/-4.0 mL/min.kg; P<0.0001), higher biventricular filling pressures with exercise, and depre

100 ntricular volume improvements, and preserves biventricular function in an ovine model of chronic pulm

101 Atrial dimensions and biventricular function were quantified by cine images.

102 of right ventricular volumes, improvement in biventricular function, and submaximal exercise capacity

103 y seems to adversely impact mitral valve and biventricular function.

104 t Association functional class I with normal biventricular function.

105 ar synchrony (IVS), a measure of synchronous biventricular function.

106 CMR imaging was performed to assess biventricular function; feature-tracking analysis was ap

107 ropagation of action potentials on realistic biventricular geometries was simulated by numerically so

108 0 mum resolution-were registered to a single biventricular geometry (i.e., a single cardiac shape), i

109 wth stimuli to simulate long-term changes in biventricular geometry associated with alterations in ca

110 atients with LV involvement (LV dominant and biventricular) had a worse prognosis than those with lon

111 Using the canine tachypacing-induced biventricular heart failure (HF) model, we tested the hy

112 OF REVIEW: Treatment options for late-stage biventricular heart failure are limited but include medi

113 To this end, we induced biventricular heart failure in sheep that developed tric

114 ressive conditions that lead to arrhythmias, biventricular heart failure, and death.

115 in patients who have irreversible end-stage biventricular heart failure.

116 iated with survival benefit in patients with biventricular heart failure.

117 demonstrate a percutaneous approach to study biventricular hemodynamics in murine models of primary a

118 o improve symptoms, functional capacity, and biventricular hemodynamics.

119 ions in pathological remodeling of the RV in biventricular HF.

120 d echocardiographic analysis revealed severe biventricular hypertrophy without evidence of fibrosis o

121 tiology in Primary Prevention Treated with a Biventricular ICD [RELEVANT] and Primary Prevention Para

122 27%, P<0.01) and were more likely to receive biventricular ICDs (39% versus 34%, P<0.01).

123 0.004), dual-chamber (p trend < 0.0001), and biventricular ICDs (p trend = 0.02).

124 s 1.4%, 1.5%, and 2.0% for single, dual, and biventricular ICDs, respectively (P<0.001).

125 impaired (</=35%) in 63 patients (30%), and biventricular impairment (left ventricular EF<60% and RV

126 Biventricular impairment (lowest quartile left ventricul

127 Biventricular impairment dramatically reduced 10-year ca

128 stoperative cardiovascular survival, whereas biventricular impairment is a powerful predictor of both

129 Biventricular impairment reduced also 10-year overall su

130 In 1 patient, with prior biventricular implantable cardioverter-defibrillator, di

131 ular (RV) involvement was found in 58 (41%), biventricular in 52 (37%), and LV dominant in 16 (12%).

132 h prevalence of LV DCE confirms the frequent biventricular involvement and indicates the diagnostic r

133 solated left ventricular disease in 17%, and biventricular involvement in 70%.

134 replacement of right ventricular myocardium; biventricular involvement is often observed.

135 In the chronic phase, biventricular involvement is the most common presentatio

136 At the biventricular level, we reduced the apex-to-base and tra

137 (6) Programming CRT systems to achieve biventricular/LV pacing >98.5% is important.

138 F), first-pass bolus kinetic parameters, and biventricular mass and function were determined.

139 cantly between groups for those who required biventricular MCS.

140 11% versus NICM 2% versus ICM 4%; P<0.001), biventricular mechanical circulatory support (myocarditi

141 and recover more frequently but require more biventricular mechanical circulatory support.

142 method allows quantification of biatrial and biventricular mechanics from measures of deformation: st

143 ensional (2D) canine and human and 3D canine biventricular models.

144 There were significant correlations between biventricular MPRI and both mean pulmonary arterial pres

145 due to need for antitachycardia (n = 5), or biventricular (n = 4) or bradycardia pacing (n = 1).

146 SND and biventricular NCCM were diagnosed in multiple members of

147 o III HF, and LV ejection fraction </=50% to biventricular or right ventricular pacing.

148 left ventricular ejection fraction </=50% to biventricular or RV pacing.

149 ch-up growth of the RV in patients who had a biventricular outcome (z-score increase +0.08/year, p =

150 subset of cases, appeared to contribute to a biventricular outcome after birth.

151 stem was able to discriminate fetuses with a biventricular outcome with 100% sensitivity and modest p

152 he time of intervention were associated with biventricular outcome.

153 The 3D biventricular-paced canine model resulted in %dLV and %d

154 ioventricular Block) trial demonstrated that biventricular-paced patients had a reduced incidence of

155 an implantable device (defibrillator 30.4%, biventricular pacemaker 3.4%, combined 37.3%).

156 nchronization therapy (CRT) receive either a biventricular pacemaker or a biventricular pacemaker wit

157 eceive either a biventricular pacemaker or a biventricular pacemaker with an implantable cardioverter

158 pacemaker, 14 a dual chamber pacemaker, 3 a biventricular pacemaker, and 1 has a single chamber impl

159 The AV delay optimization of biventricular pacemakers (cardiac resynchronization ther

160 ls will learn about the sex differences with biventricular pacemakers with respect to ventricular rem

161 on implantable cardioverter defibrillators, biventricular pacemakers, mechanical circulatory support

162 The percentage of patients with biventricular pacing >/=92% was similar in both groups (

163 d significantly narrowed to 162+/-17 ms with biventricular pacing ( P=0.003), to 151+/-24 ms during H

164 dramatically increase the probability of low biventricular pacing (<97%), with reduced CRT efficacy b

165 e halfway value of VAQRS during simultaneous biventricular pacing (53% of cases) was associated with

166 al fibrillation (AF), assessed its impact on biventricular pacing (BIVP%), and determined whether AF

167 whether physiologic pacing by either cardiac biventricular pacing (BiVP) or His bundle pacing (HisBP)

168 quences of left ventricular pacing (LVP) and biventricular pacing (BiVP).

169 The landmark trials of biventricular pacing (cardiac resynchronization therapy

170 re, with native conduction (LBBB) and during biventricular pacing at atrioventricular (AV) delays of

171 Biventricular pacing at AV delays of 120 ms generated a

172 -Opt, against LBBB as reference; BiV-Opt and biventricular pacing at AV delays of 120 ms were not sig

173 Biventricular pacing at AV delays of 40 ms was no differ

174 In comparison with LBBB, biventricular pacing at separately preidentified hemodyn

175 followed by 3 weeks of resynchronization by biventricular pacing at the same pacing rate (CRT).

176 eeks (DHF) or 3 weeks followed by 3 weeks of biventricular pacing at the same rate (CRT).

177 proarrhythmia; P<0.01), requiring temporary biventricular pacing discontinuation in half of cases.

178 one quarter of mild HF patients eligible for biventricular pacing experience S-LVRR.

179 iac structure and function are improved with biventricular pacing for patients with atrioventricular

180 Patients randomly assigned to biventricular pacing had a significantly lower incidence

181 influence of ectopic beats on the success of biventricular pacing has not been well established.

182 When biventricular pacing improves LV contraction and relaxat

183 Biventricular pacing in heart failure (HF) improves surv

184 However, little is known about biventricular pacing in HF patients with atrioventricula

185 erior to atrioventricular-node ablation with biventricular pacing in patients with heart failure who

186 nce for optimizing outcomes related to RV or biventricular pacing in the pacemaker and ICD population

187 However, the appropriate amount of biventricular pacing is ill-defined.

188 A high percentage of biventricular pacing is required for optimal outcome in

189 (4) Biventricular pacing may be beneficial in some patients

190 single-site RV or left ventricular pacing or biventricular pacing may be superior to RVA pacing.

191 We evaluated whether biventricular pacing might reduce mortality, morbidity,

192 oventricular block and systolic dysfunction, biventricular pacing not only reduces the risk of mortal

193 a molecular pathway for regulation of INa by biventricular pacing of the failing heart.

194 The primary performance endpoint, biventricular pacing on the 12-lead electrocardiogram at

195 The probability of subsequent low biventricular pacing percentage (<97%) was increased 3-f

196 ased ectopic beats reduce the chance of high biventricular pacing percentage and are associated with

197 -defibrillator device with data available on biventricular pacing percentage and pre-implantation 24-

198 remained paroxysmal in 69.5%, did not reduce biventricular pacing percentage.

199 Subjects were grouped based on percent biventricular pacing quartiles with the use of Kaplan-Me

200 Lifespan gain from biventricular pacing rises nonlinearly with time.

201 Patients with biventricular pacing showed greater improvement in NYHA

202 Biventricular pacing significantly reduced LV volume ind

203 is analysis was to determine the appropriate biventricular pacing target in patients with heart failu

204 We conducted a meta-analysis of biventricular pacing trials to calculate lifespan gained

205 his at-risk patient population by performing biventricular pacing via a wireless left ventricular (LV

206 permanent atrial fibrillation; particularly, biventricular pacing was superior compared with conventi

207 Biventricular pacing was superior to conventional right

208 ients with LV enlargement using conventional biventricular pacing with single-site LV pacing, but be

209 cardiac-resynchronization therapy (CRT) with biventricular pacing would reduce the risk of death or h

210 overter-defibrillator therapy alone (without biventricular pacing) results in a significant reduction

211 QRS duration at baseline, during HBP, biventricular pacing, and HOT-CRT was measured.

212 r rate limit, percent atrial pacing, percent biventricular pacing, and implant year.

213 We hypothesized that biventricular pacing, by restoring left ventricular (LV)

214 nderwent atrioventricular-node ablation with biventricular pacing, lead dislodgment was found in one

215 rnate RV pacing sites, minimizing RV pacing, biventricular pacing, left ventricular (LV) pacing, and

216 Except for resynchronization with biventricular pacing, no medical therapies have been sho

217 luence of ectopic beats on the percentage of biventricular pacing.

218 gned to standard right ventricular pacing or biventricular pacing.

219 ds high energy utilization due to continuous biventricular pacing.

220 te adequate LV lead positions and continuous biventricular pacing.

221 magnitude of benefit was observed with >92% biventricular pacing.

222 ation or atrioventricular-node ablation with biventricular pacing.

223 whether these patients benefit from upfront biventricular pacing.

224 nderwent atrioventricular-node ablation with biventricular pacing; none were lost to follow-up at 6 m

225 nderwent atrioventricular-node ablation with biventricular pacing; P<0.001), a longer 6-minute-walk d

226 , as compared with 160 of 349 (45.8%) in the biventricular-pacing group.

227 antly associated with procedural success for biventricular patients according to both definitions.

228 Biventricular patients with an ostial stenosis had a hig

229 VOTO, which leads to an early improvement in biventricular performance.

230 entified, 49 (25%) of whom developed left or biventricular PGD requiring VA-ECMO.

231 entified, 49 (25%) of whom developed left or biventricular PGD requiring VA-ECMO.

232 , and thus pulse pressure, occur in cases of biventricular preload responsiveness.

233 er pulmonary embolism and after each dose by biventricular pressure-volume loops, invasive pressures,

234 of heart failure in an anatomically accurate biventricular rabbit model.

235 to surgery underwent an echocardiography and biventricular radionuclide angiography with regional fun

236 In PAH patients, reduced biventricular regional function is associated with incre

237 shunting in growing piglets induces PH with biventricular remodeling and myocardial fibrosis that ca

238 ide and/or high-sensitivity troponin T), and biventricular remodeling.

239 ting which neonates with AS are suitable for biventricular repair and which are better served by sing

240 Children who underwent biventricular repair of a conotruncal anomaly from Janua

241 idered for fetal interventions or post-natal biventricular repair strategies.

242 hlighted through the establishment of staged biventricular repair surgery in infant patients with hyp

243 obstruction presenting for univentricular or biventricular repair were randomized to either DHCA or A

244 Of 104 infants undergoing biventricular repair without aortic arch reconstruction,

245 cases (2.5%): less complex CHD that allowed biventricular repair, fewer surgical procedures, or decr

246 %): more complex CHD that was unsuitable for biventricular repair, leading to unplanned compassionate

247 ft ventricle (LV) involves 2 options: SVP or biventricular repair.

248 wth in left ventricular structures, allowing biventricular repair.

249 RECENT FINDINGS: The TAH offers biventricular replacement, rather than 'assistance', as

250 tions were systematically assessed: standard biventricular (right ventricular apex+LV), LV-only, HIS,

251 Additionally, biventricular rotor locations in sustained VF were conse

252 Phase analysis was applied to identify biventricular rotors in the first 10 s or until VF termi

253 Biventricular segmental, section, and mean ventricular p

254 llowing the 3-month randomization point with biventricular single-site pacing (0.0150+/-0.1725 in LVE

255 stolic volume (LVEDV) measures, 188 received biventricular single-site pacing and 43 received MPP-AS.

256 +/-29.7 versus -15.7+/-22.1, P=0.038) versus biventricular single-site pacing in patients with LVEDVI

257 Following implant, quadripolar biventricular single-site pacing was activated in all pa

258 Among patients with LVEDVI(>Median), biventricular single-site pacing was less efficacious co

259 not differ in patients receiving MPP-AS and biventricular single-site pacing with LVEDVI(<=Median).

260 Conventional biventricular single-site pacing, even with a quadripola

261 collaterals, and on its ability to quantify biventricular size and function, pulmonary regurgitation

262 ter pediatric HT is characterized by reduced biventricular size and increased mass-to-volume ratio.

263 Catheter ablation allowed for resumption of biventricular stimulation in all patients.

264 ed that cardiac resynchronization (CRT) from biventricular stimulation reverses such molecular abnorm

265 ronization therapy (CRT), the application of biventricular stimulation to correct discoordinate contr

266 ue to mechanical dyssynchrony, reversible by biventricular stimulation.

267 Biventricular strain and mechanical synchrony measuremen

268 Both primary and secondary RVPO decreased biventricular stroke work however RV instantaneous peak

269 nct effects of primary and secondary RVPO on biventricular structure, function, and expression of key

270 tricle, but recognition of left-dominant and biventricular subtypes has prompted proposal of the broa

271 ght ventricular (RV), left dominant (LD), or biventricular subtypes using 2010 Task Force Criteria or

272 ents with AHF had the highest utilization of biventricular support (14.4%).

273 Use of biventricular support (biventricular assist device or to

274 hose with ACM experienced the highest use of biventricular support and the worst survival.

275 al to identify patients who may benefit from biventricular support early post-LVAD implantation.

276 ransplant candidates requiring temporary and biventricular support have the highest risk of adverse o

277 with a long-term device, with 39% requiring biventricular support.

278 (n=2), aortic valve disease (n=2), and other biventricular surgery (n=4).

279 ging studies </=10 days post-HT demonstrated biventricular systolic and diastolic dysfunction with mo

280 Impaired right, left, or biventricular systolic function derived from baseline CM

281 ks of additional atrial tachypacing (DHF) or biventricular tachypacing (CRT).

282 acing for 6 weeks) and CRT (DHF for 3 weeks, biventricular tachypacing for subsequent 3 weeks), contr

283 TCS-VAD types, 79 +/- 9% and 73 +/- 14% for biventricular TCS-VAD, and 68 +/- 3% and 61 +/- 8% for E

284 Biventricular TGFbeta1 expression was increased in both

285 ricular hypoplasia may instead allow various biventricular therapeutic strategies and better long-ter

286 ock because they are typically excluded from biventricular trials.

287 onary and systemic hemodynamics resulting in biventricular unloading.

288 Biventricular vasoreactivity is significantly reduced wi

289 The BLOCK HF (Biventricular Versus Right Ventricular Pacing in Heart F

290 The Biventricular versus Right Ventricular Pacing in Heart F

291 (Biventricular Versus Right Ventricular Pacing in Heart F

292 We sought to validate a novel method of biventricular volume quantification by cardiac MRI (CMR)

293 Biventricular volumes and function did not differ signif

294 diac magnetic resonance imaging to determine biventricular volumes and function.

295 in and VAs of right ventricular origin about biventricular volumes and systolic function.

296 ory motion, highly reproducible and accurate biventricular volumes can be measured during maximal exe

297 e changes in structural (myocardial mass and biventricular volumes) and tissue characterization param

298 We investigated biventricular volumes, function, and the presence of myo

299 automated DL-based and manual contouring of biventricular volumes.

300 Biventricular working hearts were subjected to 35 minute