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Table 1 Symptoms reported, Holter monitor, theophylline levels and polysomnography results at presentation and during follow up

From: Sleep apnea and severe bradyarrhythmia – an alternative treatment option: a case report

 

Symptoms

Weight (kg)

24-hour Holter monitor

Theophylline level*

Polysomnography

Max sinus pause (seconds)

Total number of sinus pauses

Min/max/Average HR (beats/minute)

Prior to presentation (2008 until 2011)

Presyncope twice a year for 3 years

115

Not on treatment

At presentation (September 2011)

Presyncope once a month for 3 months

119

22

71

49/119/85

Not on treatment

Epworth score 7

Sleep latency of 17 minutes

AHI of 98/hour

Arousal index of 49/hour

Lowest oxygen saturation at 78% on room air

5-month follow up

None

120

6

18

61/125/93

11.11

Not done

6-month follow up

None

122

5

5

68/124/94

13.0

Not done

7-month follow up

None

126

None

None

71/128/92

14.4

Epworth score of 11

Sleep latency of 28 minutes

AHI of 96/hour

Arousal index of 43/hour

Lowest oxygen saturation at 78% on room air

14-month follow up

None

123

None

None

69/123/90

11.4

Not done

19-month follow up

None

129

2.9

3

67/115/82

14.6

Epworth score of 11

Sleep latency of 48.5 minutes

AHI of 83/hour

Arousal index of 42.8/hour

Lowest oxygen saturation at 75% on room air

29-month follow up

None

130

None

None

65/110/81

Not done

Not done

  1. AHI = Apnea–Hypopnea Index; HR = Heart rate; Max = Maximum; Min = Minimum.
  2. *Therapeutic level is between 10 and 20mcg/mL in plasma [4].