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BLOOD PRESSURE 140 90 Systolic Diastolic
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NORMAL BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic
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HIGH BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic Hypertensive
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NOCTURNAL HIGH BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic Hypertensive
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AMBULATORY TECHNOLOGY ECG Electrodes Blood Pressure Cuff Microphone Control Box
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AVERAGE PRESSURES Work 0600-1700 hrs Leisure 1700-2200 hrs Night Time Mean =136 mmHg 2200-0600 hrs Day Time Mean = 139 mmHg 0600 –2200 hrs 24 hour Mean =139 mmHg
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SLOPE OF MORNING RISE 3:00 am 6:00 am
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47% 48%
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5177 mmHg hr 9876 mmHg hr AREA UNDER THE CURVE
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CrestCPS = 10.4 Trough CPS =- 15.3 CrestCPS = 7.55 Trough CPS =- 12.5
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FOURIER ANALYSIS BP(t) = c 0 + Σ [a j cos(jπt/12)+b j sin(jπt/12)]
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FOURIER ANALYSIS
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ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
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Heart Arterial Vasculature Central Nervous System BARO & CHEMO RECEPTORS Heart Rate Contractility Heart Rate Contractility Vasoconstriction
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Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Heart Rate Contractility Heart Rate Contractility Vasoconstriction
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Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Heart Rate Contractility Heart Rate Contractility Vasodilation
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Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
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RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Kidneys Lungs
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RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Kidneys Lungs Decrease blood volume Decrease in renal blood pressure Increase in sympathetic output Decrease blood volume Decrease in renal blood pressure Increase in sympathetic output
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RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Lungs Decrease blood volume Decrease in renal blood pressure Increase in sympathetic output Decrease blood volume Decrease in renal blood pressure Increase in sympathetic output Renin Angiotensinogin Angiotensin I Kidneys
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RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Angiotensin I Kidneys Converting Enzyme Angiotensin II Angiotensin III Lungs
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RENIN ANGIOTENSIN Central Nervous System Heart Kidneys Angiotensin II Lungs Arterial Vasculature Vasoconstriction
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RENIN ANGIOTENSIN Central Nervous System Heart Kidneys Angiotensin II Lungs Arterial Vasculature Vasoconstriction Vegal Tone Catecholamines Heart Rate Contractility Heart Rate Contractility
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RENIN ANGIOTENSIN Central Nervous System Heart Angiotensin II Lungs Arterial Vasculature Aldosterone Kidneys Reabsorb Fluid
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Renin-Angiotensin CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Vasoconstriction Heart Rate Contractility Fluid Heart Rate Contractility Fluid
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ATRIAL NATURETIC FACTOR Heart Central Nervous System Kidneys Arterial Vasculature Vasodilation Renin Fluid Loss
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Heart CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Fluid Loss Vasodilation
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ANTI-DIURETIC HORMONE Kidneys Pituitary Gland Fluid Reabsorption
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Atrial Naturetic Factor CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Fluid Reabsorption
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ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
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NATURAL HISTORY Genetic Predisposition Salt Stress Transient Changes Low High Stabilizing Factors
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CategoryFollow-up OptimalRecheck 2 yrs PrehypertensionRecheck in 1 yr Hypertension Stage 1Confirm within 2 months Stage 2 Evaluate or refer within 1 mo >180/>110Evaluate and treat immediately or within 1 week depending on clinical situation and complications CategoryFollow-up OptimalRecheck 2 yrs PrehypertensionRecheck in 1 yr Hypertension Stage 1Confirm within 2 months Stage 2 Evaluate or refer within 1 mo >180/>110Evaluate and treat immediately or within 1 week depending on clinical situation and complications FOLLOW-UP JAMA 289:2534-2573, 2003 Hypertension 42:1206-1252, 2003 Department of Health & Human Services Pub No. 03-5233, 2003 JAMA 289:2534-2573, 2003 Hypertension 42:1206-1252, 2003 Department of Health & Human Services Pub No. 03-5233, 2003
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TREATMENT: MEDICATIONS DIURETICS ALDOSTERONE-RECEPTOR BLOCKERS BLOCKERS 1 BLOCKERS 2 AGONISTS ACE INHIBITORS ANGIOTENSIN II ANTAGONISTS (Angiotensin Receptor Blockers-ARB) Ca ++ CHANNEL BLOCKERS VASODILATORS DIURETICS ALDOSTERONE-RECEPTOR BLOCKERS BLOCKERS 1 BLOCKERS 2 AGONISTS ACE INHIBITORS ANGIOTENSIN II ANTAGONISTS (Angiotensin Receptor Blockers-ARB) Ca ++ CHANNEL BLOCKERS VASODILATORS
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ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
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Lifestyle Modifications TREATMENT ALGORITHM Recheck Blood Pressure At Goal Continue Not at Goal Add Medications Stage of Hypertension Compelling Indications Add Medications Stage of Hypertension Compelling Indications
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Initial Drug Choices Without Compelling Indications With compelling Indications Stage 1 Thiazide-type Diuretics Consider ACE Inhibitors Angiotensin Receptor Blockers Beta Blockers Ca++ Channel Blockers Thiazide-type Diuretics Consider ACE Inhibitors Angiotensin Receptor Blockers Beta Blockers Ca++ Channel Blockers Stage 2 Thiazide-type Diuretics With ACE Inhibitors Angiotensin Receptor Blockers Beta Blockers Ca++ Channel Blockers Thiazide-type Diuretics With ACE Inhibitors Angiotensin Receptor Blockers Beta Blockers Ca++ Channel Blockers
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COMPELLING INDICATIONS IndicationDIURBBACEIARBCa ++ AldoANT Heart Failure Post MI Hi Risk Diabetes Chronic Kidney Stroke IndicationDIURBBACEIARBCa ++ AldoANT Heart Failure Post MI Hi Risk Diabetes Chronic Kidney Stroke
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Adjust dosage if not at Blood Pressure Goal
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TREATMENT
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Exercise Effectiveness Whelton, S.P., et al., Annals of Internal Medicine, 2002. 136(7): p. 493-503. Kelley, G.A. and K.S. Kelley, Hypertension, 2000. 35(3): p. 838-843. ResistanceCardiovascular
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Med Sci Sports Exerc 36:533-553, 2004
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INTENSITY Fagard & Tipton, Physical Activity, Fitness and Health, p 633-668, 1994. Fagard & Tipton, Physical Activity, Fitness and Health, p 633-668, 1994. Change in Blood Pressure (mmHg)
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The Interaction of Exercise and Medications? Kelelrman, M.H. et al, JAMA 263:2766-2771, 1990
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Padilla, MSSE 37:1264-1275, 2005.
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Accumulation of Four Short Exercise Sessions
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One Continuous Exercise Session
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Wallace, et al. J Human Hypertension 13:361-366, 1999 8.3 mm Hg in SBP for 11 hr 6.0 mm Hg in DBP for 4 hr
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TIME OF DAY FOR EXERCISE Park, S., et al., Journal of Human Hypertension 19: 597-605, 2005
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TIME OF DAY FOR EXERCISE Park, S., et al., Medicine and Science in Sport and Exercise, in press.
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Baro receptors Vasopressin Atrial Natriuretic Factor Renin-Angiotensin Central Nervous System
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Alpha Blockers Ca ++ Channel Blockers ARBs Diuretics β Blockers ACE Inhibitors α 2 agonists Aldosterone Receptor Blockers
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CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Renin-Angiotensin Vasopressin Baroreceptors ANF Central Nervous System
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CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE DiureticsVasodilators Cardioinhibitory Sympatholytics
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BP = CARDIAC OUTPUT X VASCULAR RESISTANCE Cardioinhibitory Beta-Blockers Ca ++ Channel Blockers dihydropyridines Ca ++ Channel Blockers Penylkylamines Ca ++ Channel Blockers benzothiazepines
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