Effects of nocturnal oxygen therapy on heart function in SDB patients undergoing dialysis

Figures & data

Table 1. Baseline characteristics of 10 patients.

Case	Age	Gender	Dialysis duration (months)	Diabetes mellitus	PCI	CABG	AVR	HT	ACE-i/ARB
1	64	M	20	−	+	−	−	−	−
2	76	M	32	−		−	−	+	+
3	71	M	39	+	+	−	−	+	+
4	46	F	76	+	−	−	−	+	+
5	73	M	54	+	−	−	−	+	+
6	63	M	44	+	+	−	−	+	+
7	71	M	12	−	−	−	+	+	+
8	75	F	8	+	−	−	−	+	+
9	79	F	44	−	−	−	−	+	+
10	73	M	19	−	−	−	−	+	+
Total	72 [63.8, 75.3]	M:F = 7:3	35.5 [17.3, 46.5]	5	3	0	1	9	9

Notes: Values are expressed as median with [interquartile range].

PCI = percutaneous coronary intervention, CABG = coronary artery bypass graft, AVR = aortic valve replacement, HT = hypertension, ACE-i = angiotensin converting enzyme inhibitor, ARB = angiotensin II receptor blocker.

Table 2. Changes in parameters after nocturnal home oxygen therapy (HOT).

	HOT
	Before	After	p-Value
NYHA I	4	4
II	6	6
TP (g/dL)	6.85 [6.2, 7.0]	6.75 [6.3, 7.0]	0.88
T-Cho (mg/dL)	140 [114, 176]	131 [119, 159]	0.49
TG (mg/dL)	97.5 [56.5, 135]	91.5 [48.5, 121]	0.73
iP (mg/dL)	4.65 [4.1, 5.0]	4.95 [3.9, 6.2]	0.45
CTR (%)	58.2 [51.6, 63.8]	57.6 [49.7, 63.9]	0.94

Notes: Values are expressed as median with [interquartile range], p-value for Wilcoxon signed rank sum test.

NYHA = New York Heart Association functional classification, TP = total protein, T-Cho = total cholesterol, CTR = cardiothoracic ratio.

Figure 1. Changes in parameters after nocturnal home oxygen therapy (HOT).