Just When You Think You Have Heard Everything About Sleep Disordered Breathing

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1 Just When You Think You Have Heard Everything About Sleep Disordered Breathing David F Wolfe Crouse Hospital SUNY Upstate Medical University September 13, 2012

2 Outline Sleep-Disordered Breathing Case Studies CHF Anagrams Questions Tx Ghosts?

3 60 yo Diabetes Hypertension Ischemic heart disease MI -> CABG LVEF = 40% BMI = 60 Bordier et al, Chest, 2004

4 Presentation Chronic Heart Failure Respiratory Acidosis O 2 = 0.5 L/min NC ph 7.31 PaCO 2 82 mmhg PaO 2 40 mmhg HCO 3 40 mmol/l BE 10.2 O 2 Sat 67% Bordier et al, Chest, 2004

5 Home Sleep Test Found dead on morning after HST Severe CSA (AHI = 93.3) No OSA Mean O 2 sat = 58% No cardiac arrhythmias 8h of constant CSR during sleep, then Respiratory arrest 7 min later, asystole. Bordier et al, Chest, 2004

6 Cheyne Stokes Breathing Rule Score if 3 consecutive cycles of cyclical crescendo and decrescendo change in breathing amplitude and at least 1 of the following: 5 CAs or hypopneas per hour of sleep The cyclic crescendo and decrescendo change in breathing amplitude has duration of 10 consecutive minutes. AASM Scoring Manual, 2007

7 Bordier et al, Chest, 2004

8 Bordier et al, Chest, 2004

9 January yo Overweight CHF DM HTN Am I dying? Brandon Harris

10 Clinical Guideline for the Evaluation, Management and Long-term Care of Obstructive Sleep Apnea in Adults Epstein et al, J Clin Sleep Med, 2009

11 Adult OSA AASM Task Force Recommendations: OSA questions in routine health evals OSA suspicion should trigger sleep eval Diagnosis should include: Sleep-oriented H&P Objective testing Patient education Epstein et al, J Clin Sleep Med, 2009

12 Task Force Recommendations OSA presence and severity must be determined before tx. Include patient in appropriate tx. OSA should be approached as a chronic disease. With tx, describe: Appropriate outcome measures. Long-term follow-up. Epstein et al, J Clin Sleep Med, 2009

13 AASM - ICDMPPO Innovation Care Delivery and Management Program for Patients with OSA

14 Case History 67 yo A-fib & severe mitral valve regurgitation Mod-severe tricuspid regurgitation Severe CSA prolonged lung-to-finger circulation time Dilated left atrium Preserved LVEF Takahashi et al, J Clin Sleep Med, 2011

15 Case History BNP indicates mild heart failure NY Heart Association class II (symptoms w/ activity, not at rest) Mod-severe bilateral leg edema Takahashi et al, J Clin Sleep Med, 2011

16 Insert illustration Oct 2011, page 524 Takahashi et al, J Clin Sleep Med, 2011

17 Before Surgery CPAP for CSA Slight AHI improvement No mitral regurg improvement Slight improvement in daytime tiredness Continued CPAP Takahashi et al, J Clin Sleep Med, 2011

18 Surgery Mitral valvuloplasty (for HF symptoms) with Maze procedure Tricuspid annuloplasty Takahashi et al, J Clin Sleep Med, 2011

19 After Surgery NY Heart Assoc class I (no symptoms) Decreased LA dimension BNP (normal) bilateral leg edema (mild) Sinus rhythm Takahashi et al, J Clin Sleep Med, 2011

20 After Surgery Severe SDB Shorter lung-to-finger circulation time CSA converted to predominant OSA Takahashi et al, J Clin Sleep Med, 2011

21 After Surgery Insert illustration Oct 2011, page 525 Takahashi et al, J Clin Sleep Med, 2011

22 After Surgery OSA responded well to CPAP Takahashi et al, J Clin Sleep Med, 2011

23 Why? supine sleep? No. REM? No. in ventilatory drive? pulmonary congestion and chemosensitivity OSA masked by elevated ventilatory drive? Takahashi et al, J Clin Sleep Med, 2011

24 Normally During OSA: BP surges Repetitive hypoxemia CO 2 retention? Cardiac hemodynamic changes Cardiac arrhythmias? DURING SLEEP!!! Ki-Hwan et al, J Clin Sleep Med, 2009

25 Hx 46 yo BMI = 35.8 One year hx of chest discomfort and dizziness sec Mainly daytime 4-5x/week occasionally upon awakening Ki-Hwan et al, J Clin Sleep Med, 2009

26 Hx BP WNL with calcium channel blocker 1-2 ppd smoker Social drinker 24 hr Holter monitor Symptomatic sinus pauses (2 7.1 sec) Chest discomfort Dizziness Day and night Ki-Hwan et al, J Clin Sleep Med, 2009

27 Ki-Hwan et al, J Clin Sleep Med, 2009

28 Dx/Tx Sick Sinus Syndrome Implanted cardiac pacemaker Atrial single chamber pacing Symptoms persisted F/U Holter Monitoring Occasional 2:1 and 3:1 AV block Wake and sleep Ki-Hwan et al, J Clin Sleep Med, 2009

29 Ki-Hwan et al, J Clin Sleep Med, 2009

30 More Hx C/O snoring every night EDS (ESS=12) Ki-Hwan et al, J Clin Sleep Med, 2009

31 More Dx PSG -> severe OSA AHI = 55.5 Min SpO 2 = 67% ECG frequent atrial pacing 2:1 AV block (REM & NREM) Ki-Hwan et al, J Clin Sleep Med, 2009

32 Ki-Hwan et al, J Clin Sleep Med, 2009

33 CPAP the night after PSG CPAP 15 cmh 2 O resolved Obstructive breathing Atrial pacing AV block Ki-Hwan et al, J Clin Sleep Med, 2009

34 With CPAP Avg usage 6 hrs AHI = 6.3 Ø chest discomfort EDS improved (ESS = 7) Holter monitor Ø atrial pacing Ø AV block Ki-Hwan et al, J Clin Sleep Med, 2009

35 Ki-Hwan et al, J Clin Sleep Med, 2009

36 Central SA Rare in general population Sometimes with opioid usage Common: High altitude Systolic HF Javaheri et al, J Clin Sleep Med, 2009

37 CPAP-emergent CSA Of 1286 patients, 6.5% had complex sleep apnea Mostly transitory with resolution within 8 weeks CPAP-persistent CSA ~1.5% Javaheri et al, J Clin Sleep Med, 2009

38 Potential Risk Factors for Complex SA Increased severity of OSA CAI 5/hr Opioid usage Javaheri et al, J Clin Sleep Med, 2009

39 ASV vs CPAP in HF with CSA and OSA 12 month period Both CPAP and ASV improved respiratory disturbances O 2 desaturations arousals Randerath et al, Chest, 2012

40 ASV vs CPAP ASV more effectively improved: CSA/CSR (central AHI) BNP No difference: Exercise performance Echocardiographic parameters Randerath et al, Chest, 2012

41 Case History 52 yo BMI = 29 Former smoker Ø pulmonary disease Past MI, leading to CHF Meds: bisoprolol, losartan, furosemide, spironolactone Biventricular pacemaker Vermes et al, J Clin Sleep Med, 2009

42 Case History Still had severe symptoms; NYHA class IV EF = 20% LV dilation Severe systolic pulm HTN Listed for heart transplant Vermes et al, J Clin Sleep Med, 2009

43 Pretransplant PSG CAs with CSR OAs Inspiratory flow limitation Occasional snoring AHI and ODI = 21/h (moderate SA) 193 min O 2 sat < 90% (mean 72%) EDS (ESS 13) ASV initiated Vermes et al, J Clin Sleep Med, 2009

44 Treatment for SDB ASV initiated CSA-CSR and OAs improved AHI < 5/h Vermes et al, J Clin Sleep Med, 2009

45 Few Weeks Later Biventricular external assist device implanted ASV D/C d Vermes et al, J Clin Sleep Med, 2009

46 Biventricular Assist Device National Heart Lung and Blood Institute, 2012

47 Biventricular Assist Device LV dilation improved (70 -> 55 mm) EF = no change PSG AHI = 5/h BMI same (29) Two months later... Vermes et al, J Clin Sleep Med, 2009

48 Heart Transplant EF 60% BMI 23.6 PSG AHI = 13/h (mild obstructive SA) Vermes et al, J Clin Sleep Med, 2009

49 One Year Later... BMI 28.1 EF 50% AHI = 29/h (mod obstructive SA) ODI = 28/h SpO 2 < 90% - 2 minutes Min SpO 2 = 87% Refused PAP Dental device offered Vermes et al, J Clin Sleep Med, 2009

50 MATRx SomnoMed, 2012

51 Apnea Guard Advanced Brain Monitoring, Inc, 2012

52 Case Study 39 yo BMI ~ 21 Symptoms of narcolepsy at 16 yo EDS Cataplexy Frequent hypnagogic hallucinations Hartley et al, J Clin Sleep Med, 2011

53 Case Study Narcolepsy Diagnosed in 1999 PSG (#1) and MSLT mean sleep latency 2 SOREM Initial tx: modafinil fluoxetine Hartley et al, J Clin Sleep Med, 2011

54 Case Study Cataplexy and sleepiness (ESS 13) persisted fluoxetine d/c d venlafaxine started Cont d to work and drive Hartley et al, J Clin Sleep Med, 2011

55 Case Study PSG (#2) PLMS Sleep fragmentation Satisfactory MWT sleep latency (23 min) Fe = normal No 2 o PLM cause (except antidepressant) Hartley et al, J Clin Sleep Med, 2011

56 Case Study modafinil dosage increased Added clonazepam for LMs Venlafaxine d/c d, replaced by clomipramine Trial of ropinirole poorly tolerated Thyroidectomy (2009) -> Began levothyroxine Hartley et al, J Clin Sleep Med, 2011

57 Case Study BMI d 23.5 (was 21) cataplexy Antidepressants d/c d Na oxybate started Sleep and EDS improved (although ESS stable) -> stopped clonazepam Hartley et al, J Clin Sleep Med, 2011

58 Case Study PSG (#3) LMs improved Cont d fragmented sleep Non-desaturating central and obstructive hypopneas (AHI = 19.7/h) Arousals MWT = mean sleep latency (8 min) Hartley et al, J Clin Sleep Med, 2011

59 Case Study Na oxybate d/c d PSG (#4) LMs worse Ø sleep apnea (AHI < 5/h) (Continues modafinil and levothyroxine) Hartley et al, J Clin Sleep Med, 2011

60 2013 CPT Codebook Subject to Change

61

62 Osama bin Laden s Residential Compound Howell et al, J Clin Sleep Med, 2011

63 Health Problems Associated With Untreated SDB prevalence of nonalcoholic fatty liver disease (severe OSA) 1 risk of postoperative hypoxemia, transfer to ICU, longer hospital stay 2 cancer mortality (community-based sample: Wisconsin Sleep Cohort Study) 3 1. Türkay et al, Respir Care, Kaw et al, Chest, Nieto et al, Am J Respir Crit Care Med, 2012

64 Health Problems Associated With Untreated SDB risk for delirium after surgery 1 risk of diabetic peripheral neuropathy in those with T2DM 2 likelihood of depression 3 1. Kwatra et al, Anesthesiology, Tahrani et al, Am J Respir Crit Care Med, Wheaton et al, Sleep, 2012

65 SA -> Stroke > 5 SA episodes/night associated w/silent strokes > 1/3 of patients with white matter lesions had severe SA > ½ of silent stroke patients had SA 91% of patients who had a stroke had SA Kepplinger et al, Am Stroke Assoc Intern Stroke Conf, 2012

66 CPAP 1 st Night After Stroke Experimental Group Rec d CPAP 3 nights 4 additional nights when AHI >10/hour Conclusions: Feasible (workload did not differ) Not associated with neurological deterioration Minnerup et al, Stroke, 2011

67 CPAP Impact Moderate-Severe OSA Structural and functional changes in LV function (comparable to HTN) Significantly improve following 6 months of CPAP Butt et al, Circ Heart Fail, 2012

68 CPAP Effective in Mild OSA! First placebo-controlled study Multi-site, double-blind, randomized Large and small facilities Used sham CPAP CPAP in mild and moderate SA: symptoms Improves QOL Improves ESS and mood Weaver et al, Am J Respir Crit Care Med, 2012

69 3 months PAP Children w/osa Improvement in: Attention deficits Behavior Sleepiness (correlated with adherence) Caregiver QOL Child-reported QOL *Suboptimal adherence (3 hours) still improved outcomes Marcus et al, Am J Respir Crit Care Med, 2012

70 SoClean CPAP Machine Activated oxygen cleans and sanitizes Cleans CPAP reservoir, hose, and mask

71 Transcend Transcend

72

73 SleepSense EZ-Talk Speak/Yawn Cough Sip of water

74 Provent Estimated >4 million US veterans have OSA 61% increase in OSA from US Department of Veterans Affairs expands access to Provent

75 Oral Pressure Therapy ApniCure, Winx Sleep Therapy System, 2012

76 OPT Negative pressure to the oral cavity Increases retropalatal airway Pulls soft palate forward Stabilizes tongue base

77

78 OPT Significantly Improves: AHI ODI Sleep architecture ESS Malhotra et al, Abstract

79

80 Treat OSA with Temperature? In untreated OSA patients: AHI with colder temp More severe OSA at 16 o C (61 o F) & 20 o C (68 o F) than 24 o C (75 o F). Valham et al, Sleep, 2012

81 OSA & HTN No association between OSA and systemic HTN in the middle-aged population (Spain) Cano-Pumarega et al, Am J Respir Crit Care Med, 2012

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