ライフサイエンスコーパス: ostial

1 mplications of segmental pulmonary vein (PV) ostial ablation during atrial fibrillation (AF).

2 Segmental ostial ablation guided by PV tachycardia during AF is fe

3 Segmental ostial ablation of the pulmonary veins (PVs) allows for

4 a sensitivity and specificity for a required ostial ablation site of 83% and 82%, respectively.

5 During sinus rhythm, ostial ablation was guided by PV potentials.

6 During AF, ostial ablation was performed near the Lasso catheter el

7 11 years) with AF undergoing pulmonary vein ostial ablation.

8 ed atrial electrograms at the pulmonary vein ostial and antral areas, various regions of the left atr

9 re present in affected porokeratotic eccrine ostial and dermal duct nevus (PEODDN) tissue but absent

10 In end diastole, both the ostial and distal intramural sections were more elliptic

11 were: 1) local hypersensitivity reaction; 2) ostial and/or bifurcation stenting; 3) malapposition/inc

12 rization in hypertensive patients with aorto-ostial atherosclerotic renal artery lesions.

13 In hypertensive patients with aorto-ostial atherosclerotic renal artery stenosis in whom PTR

14 onary artery-to-CS fistula, together with CS ostial atresia and persistent left superior vena cava.

15 graft, left main coronary artery disease, or ostial, bifurcated, or totally occluded lesions, as well

16 use recommendation) and untested (left main, ostial, bifurcation, or total occlusion lesions) indicat

17 cluded in the complex lesion group including ostial, bifurcation, serial lesions and lesion where flo

18 gle-vessel stenoses, complex bifurcation and ostial branch stenoses, multivessel coronary artery dise

19 ded donor hypertension, donor lung recovery, ostial calcification, recipient cardiovascular comorbidi

20 Segmental ostial catheter ablation (SOCA) to isolate the pulmonary

21 rdium, as opposed to a fate as inflow tract (ostial) cells.

22 attern of subsequent restenosis was isolated ostial circumflex restenosis (58% of patients), regardle

23 The ostial circumflex was the culprit lesion for target lesi

24 ial device malposition in 15.3% of cases and ostial coronary obstruction in 3.5%.

25 fficacy concerns include device malposition, ostial coronary obstruction, and high gradients after th

26 en-subject variability of the pulmonary vein ostial cross-sectional area and the left artial volume i

27 Between-subject variability of the PV ostial cross-sectional area ranged from 33% to 48%.

28 ds ratio, 3.26 [95% CI, 1.38-7.7]; P=0.007), ostial diameter <6 mm (odds ratio, 3.93 [95% CI, 1.29-12

29 With electroporation ablation, PV ostial diameter decreased 11+/-10% directly after ablati

30 With radiofrequency ablation, PV ostial diameter decreased 23+/-15% directly after ablati

31 had a statistically significant greater mean ostial diameter than the inferior veins (Right Superior

32 icantly larger than the left pulmonary veins ostial diameters (RSPV> LSPV; p<0.001 and RIPV> LIPV; p<

33 The right pulmonary veins ostial diameters were significantly larger than the left

34 ollow-up voltage mapping, venous potentials, ostial diameters, and phrenic nerve viability were asses

35 ions (SB diameter >/=2.5 mm) and significant ostial disease length (>/=5 mm) were randomized to eithe

36 h large side branches (SBs) with significant ostial disease length are considered by expert consensus

37 ascular ultrasound pullbacks at rest for the ostial, distal intramural, and extramural segments.

38 angioplasty after rotational atherectomy for ostial, eccentric, ulcerated and calcified lesions and l

39 Both ostial occlusion and ostial height of the right coronary artery predicted AVL

40 e effects of vascular brachytherapy (VBT) on ostial in-stent restenosis (ISR).

41 ing with better imaging techniques to ensure ostial isolation and to guide power titration.

42 rcular mapping in 537 (distal isolation, 25; ostial isolation based on PV angiography, 102; guided by

43 solation can be achieved with fewer lesions, ostial isolation is required in the majority of patients

44 Each patient underwent ostial isolation of all PVs using a cooled-tip ablation

45 In the remaining 190 patients (group 2), ostial isolation of all PVs was performed using 4-mm tip

46 rrently, 2 main approaches are used for PVI: ostial isolation of the PVs and wide antral PVI.

47 evaluated 133 patients with native coronary ostial ISR from a pooled database of 990 patients enroll

48 Conventional treatment of ostial ISR is associated with a recurrence rate of over

49 The recurrence rate of ostial ISR lesions and the impact of VBT remain unknown.

50 strategy had a higher recurrence rate at the ostial LCX but without an associated increased risk of M

51 Coronary sinus ostial lead dislodgement was not observed after discharg

52 Ostial lesion location and IVUS preinterventional plaque

53 tors of the follow-up angiographic findings: ostial lesion location, IVUS preinterventional lesion si

54 ery ratio <0.6, ISR in <90 days of stenting, ostial lesion, stent for a restenotic lesion and diffuse

55 criteria: angiographic heavy calcification, ostial lesion, true bifurcation lesion involving side-br

56 Vascular brachytherapy of true aorto-ostial lesions (n = 34) was similarly beneficial: resten

57 In multivariable analysis, ostial lesions (p = 0.049) and impaired left ventricular

58 lerosis eliminates early aortic and coronary ostial lesions and reduces lesional size in advanced dis

59 with balloon angioplasty such as renal aorto-ostial lesions and restenotic lesions, as well as after

60 ) score, treatment of saphenous vein grafts, ostial lesions, and in-stent restenosis.

61 therectomy and excimer laser angioplasty for ostial lesions, but not for any other lesion subsets.

62 ight coronary artery, saphenous vein grafts, ostial lesions, or in-stent restenosis.

63 lar benefits after VBT prevail in true aorto-ostial lesions.

64 Early SVG failure is mostly proximal or ostial, lesions appear focal, and early SVGs appear smal

65 gy/American Heart Association type C lesion, ostial location, and previous PCI).

66 sease; procedure- and lesion-related such as ostial location, multilesion angioplasty, location in th

67 Anatomical CCTA (ie, CCTA-ostial minor axis) assessment demonstrated both a 100% s

68 We distinguished 3 occlusion level types: ostial occlusion (23.8%), proximal occlusion (47.5%), an

69 Both ostial occlusion and ostial height of the right coronary

70 y SVG failure lesion location was more often ostial or proximal (62% vs. 42%, respectively).

71 a significant incidence of complex coronary ostial origin and branching including single coronary (n

72 High right atrial and coronary sinus ostial pacing do not differ in efficacy.

73 High right atrial pacing and coronary sinus ostial pacing had similar efficacy for AF prevention.

74 Ostial size was not predictive of final ostial patency and symptomatic resolution of epiphora.

75 Optimal visualization of the aorto-ostial plane is crucial for precise stent implantation a

76 zation of the OA should be attempted from an ostial position or an external carotid approach to minim

77 A large branches that remained non-occluded (ostial, proximal, distal occlusion), as well as accordin

78 The risk was the highest for residual ostial/proximal LCX lesions.

79 igh-grade lesions in the LCX (especially the ostial/proximal LCX) drove these outcomes.

80 r ablation technologies and of distal versus ostial pulmonary veins (PV) isolation using the circular

81 nic PVs was initially performed by segmental ostial PV ablation guided by a circular mapping catheter

82 During SOCA, ostial PV potentials recorded with a ring catheter were

83 nt (12) AF, segmental PV isolation guided by ostial PV potentials was performed.

84 wide antral approach is more effective than ostial PVI in achieving freedom from total atrial tachya

85 with de novo or restenotic > or = 70% aorto-ostial renal artery stenoses, who underwent implantation

86 again within two months with near-occlusive ostial restenosis in all stents placed.

87 trial, a total of 30 patients with an aorto-ostial right coronary artery lesion were randomly assign

88 rcutaneous coronary intervention of an aorto-ostial right coronary artery lesion.

89 percutaneous coronary intervention of aorto-ostial right coronary artery lesions allows for optimal

90 We excluded patients with left main or ostial right coronary artery stenoses, bypass graft sten

91 , accessory variants and veins, diameter and ostial shape, distance to the first bifurcation and thro

92 There was significant ostial shrinkage from surgery to 4 weeks (mean shrinkage

93 activation pattern is a strong predictor of ostial sites where ablative energy is required to electr

94 Ostial size was not predictive of final ostial patency a

95 e totally occluded (n = 6) or compromised by ostial stenoses (n = 5).

96 No coronary ostial stenoses were seen.

97 Biventricular patients with an ostial stenosis had a higher probability of a successful

98 91 years; mean, 70 years) had mild to severe ostial stenosis of a single vertebral artery, and eight

99 In the multivariate analysis, ostial stenosis was significantly associated with proced

100 the coronary ostium might create artificial ostial stenosis, affecting the hyperemic flow.

101 verely calcified, restenotic, thrombotic, or ostial; total occlusions; bifurcations; saphenous vein g

102 earching electronic databases for studies on ostial versus antral PVI.

103 VR (7.4% vs. 8.6%, p = 0.61), and those with ostial versus nonostial LM stents (10.3% vs. 15.6%, p =

104 ts with normal flow (P < .01) and those with ostial vertebral artery stenosis (P < .01).

105 In eight of nine patients with ostial vertebral artery stenosis and eight controls, bot