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Table 2 Characteristics of patients with elevated RVSP and normal RVSP at follow-up (SD: standard deviation; ESKD: end-stage kidney disease; CVC: central venous catheter; AVF: arteriovenous fistula; AVG: arteriovenous graft; RAAS: renin angiotensin aldosterone system; CCB: calcium channel blocker)

From: Retrospective single center cohort study: effect of intensive home hemodialysis on right ventricular systolic pressure and clinical outcomes

 

Normal RVSP

(n = 76)

Elevated RVSP

(n = 32)

p-value

Age, years, mean ± SD

44 ± 12.5

49 ± 14.8

NS

Male sex, n (%)

48 (64)

19 (58)

NS

Race, n (%)

 - White

40 (53)

18 (55)

NS

 - Asian

9 (12)

6 (18)

NS

 - Black

12 (16)

2 (6)

NS

 - Other

14 (19)

7 (21)

NS

BMI, kg/m2, mean ± SD

24.8 ± 5.7

23.7 ± 4.9

NS

Cause of ESRD, n (%)

 - Diabetic nephropathy

8 (11)

4 (12)

NS

 - Glomerulonephritis

29 (39)

15 (46)

NS

 - Hypertensive nephrosclerosis

4 (5)

3 (9)

NS

 - Polycystic kidney disease

7 (9)

3 (9)

NS

 - Other

27 (36)

8 (24)

NS

Type of renal replacement therapy prior to intensive hemodialysis, n (%)

 - Chronic kidney disease not on dialysis

23 (31)

9 (27)

NS

 - Non-intensive hemodialysis

27 (36)

12 (36)

NS

 - Peritoneal dialysis

5 (7)

6 (18)

NS

 - Renal transplantation

20 (27)

6 (18)

NS

Initial access type, n (%)

 - CVC

40 (53)

15 (46)

NS

 - AVF

26 (35)

17 (52)

NS

 - AVG

9 (12)

1 (3)

NS

Duration of ESKD, years, median (IQR)

1.7 (0.3–12)

2.6 (0.2–14)

NS

Hours of dialysis per week, mean ± SD

36 ± 8.0

34 ± 7.8

NS

Total follow up in years, mean ± SD

3.9 ± 2.2

4.1 ± 2.3

NS

Time between echocardiograms in years, mean ± SD

3.2 ± 2.8

3.4 ± 2.2

NS

Co-existing medical conditions, n (%)

 - Diabetes

17 (23)

10 (30)

NS

 - Smoking history

12 (16)

8 (24)

NS

 - Hypertension

65 (87)

28 (85)

NS

 - Coronary artery disease

5 (7)

5 (15)

NS

 - Peripheral vascular disease

2 (3)

4 (12)

0.04

 - Stroke

2 (3)

4 (12)

0.04

Baseline blood pressure therapy

 - Number of antihypertensives, mean ± SD

1.9 ± 1.3

1.5 ± 1.2

NS

1-Year blood pressure therapy

 - Number of antihypertensives, mean ± SD

0.8 ± 1.0

0.8 ± 0.9

NS