Table 2 Automated computed tomography analysis.

From: Predictors of residual tricuspid regurgitation after interventional therapy: an automated deep-learning CT analysis

 

T-TEER

PA

p Value for comparison of T-TEER and PA

Entire cohort (n = 32)

Post-interventional TR grade ≤ 1 (n = 14)

Post-interventional TR grade > 1 (n = 18)

p Value for comparison of TR grade ≤ 1 versus > 1

Entire cohort (n = 52)

Post-interventional TR grade ≤ 1 (n = 19)

Post-interventional TR grade > 1 (n = 33)

p Value for comparison of TR grade ≤ 1 versus > 1

LVEF, % ± SD

58 ± 11

56 ± 10

59 ± 11

0.382

59 ± 11

57 ± 13

60 ± 10

0.350

0.673

RA volume, ml ± SD

291 ± 96

296 ± 77

287 ± 111

0.807

307 ± 98

287 ± 69

320 ± 111

0.197

0.448

RA diameter (four-chamber view), mm ± SD

70 ± 10

71 ± 8

70 ± 11

0.743

70 ± 9

68 ± 9

71 ± 10

0.223

0.896

RA height, mm ± SD

75 ± 11

76 ± 11

74 ± 11

0.607

77 ± 11

76 ± 9

77 ± 12

0.606

0.388

RVEF, % ± SD

55 ± 8

56 ± 10

55 ± 7

0.912

55 ± 8

54 ± 9

55 ± 8

0.714

0.755

RVSV, ml (IQR)

125 (100–150)

113 (104–149)

136 (97–154)

0.411

134 (112–162)

131 (97–149)

147 (117–169)

0.078

0.246

RV EDV, ml (IQR)

224 (183–293)

209 (169–294)

236 (185–315)

0.428

248 (199–297)

208 (172–263)

272 (229–310)

0.079

0.570

RV ESV, ml (IQR)

97 (66–140)

95 (63–144)

98 (72–149)

0.511

110 (77–139)

99 (75–112)

114 (87–146)

0.108

0.470

RV height, mm ± SD

61 ± 13

61 ± 13

61 ± 13

0.950

64 ± 10

65 ± 7

64 ± 11

0.812

0.164

RV length, mm (IQR)

87 (76–97)

84 (73–94)

87 (79–101)

0.254

85 (80–91)

84 (78–91)

86 (80–91)

0.436

0.941

TV area mid-diastolic, mm2 (IQR)

1798 (1550–2049)

1720 (1594–2151)

1832 (1492–2005)

0.732

1701 (1556–2013), n = 50

1589 (1394–1921), n = 18

1720 (1657–2037), n = 32

0.150

0.683

TV perimeter mid-diastolic, mm ± SD

151 ± 18

151 ± 16

151 ± 21

0.946

149 ± 15, n = 50

147 ± 16, n = 18

151 ± 15, n = 32

0.391

0.613

SL TV diameter mid-diastolic, mm ± SD

48 ± 7

49 ± 6

48 ± 7

0.668

49 ± 5, n = 50

48 ± 6, n = 18

49 ± 5, n = 32

0.503

0.861

AP TV diameter mid-diastolic, mm (IQR)

47 (43–52)

48 (43–51)

47 (41–53)

0.933

45 (43–51), n = 50

45 (41–48), n = 18

45 (43–51), n = 32

0.337

0.353

Tenting height, mm (IQR)

8 (5–11)

6 (4–8)

9 (8–12)

0.004

10 (7–12)

9 (6–11)

11 (8–13)

0.131

0.098

Tenting volume, ml (IQR)

3 (1–5), n = 28

2 (1–3), n = 10

4 (1–9)

0.150

3 (1–6), n = 50

2 (1–4)

4 (2–7), n = 31

0.099

0.715

Tenting angle septal leaflet, ° (IQR)

17 (10–26)

16 (8–20)

24 (15–27)

0.033

27 (16–38), n = 51

22 (14–34)

29 (19–41), n = 32

0.070

0.010

Tenting angle anterior leaflet, ° (IQR)

23 (16–34)

18 (9–30)

26 (22–35)

0.023

26 (19–33), n = 51

25 (18–32)

27 (19–36), n = 32

0.370

0.304

Tenting angle posterior leaflet, (IQR)

23 (14–31)

19 (8–28)

26 (19–38)

0.071

26 (17–36), n = 51

22 (17–32)

27 (16–40), n = 32

0.320

0.362

Mean distance TA to RCA (D1-8), mm ± SD

8.4 ± 2.6

8.5 ± 2.5

8.4 ± 2.7

0.884

9.1 ± 2.2

8.9 ± 2.1

9.1 ± 2.2

0.754

0.231

Mean number of segments with proximity to the RCA* per patient, n (IQR)

3 (0–4)

3 (0–4)

3 (0–4)

0.969

2 (0–3)

2 (0–3)

1 (0–3)

0.751

0.148

  1. *Proximity to the RCA was defined as a distance < 6 mm.
  2. Continuous variables are shown as mean ± standard deviation (SD, normally distributed) or median with interquartile ranges (IQR, not normally distributed). T-TEER, Tricuspid transcatheter edge-to-edge repair; PA, Percutaneous annuloplasty; LVEF, Left ventricular ejection fraction; RA, Right atrial; RVEF, Right ventricular ejection fraction; RVSV, Right ventricular stroke volume; RV EDV, Right ventricular end-diastolic volume; RV ESV, Right ventricular end-systolic volume; RV height, Right ventricular height (corresponds to the length of the RV measured perpendicular to the tricuspid valve plane); RV length, Right ventricular length (corresponds to the length of the RV from apex to base); TV, Tricuspid valve; SL, Septolateral; AP, Anteroposterior; TA, Tricuspid annulus; RCA, Right coronary artery.
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