BLOOD PRESSURE Systolic Diastolic
NORMAL BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic
HIGH BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic Hypertensive
NOCTURNAL HIGH BLOOD PRESSURE Ntl High BP Committee. Arch Intern Med 150:2270, 1990 Time of Day (hrs) Blood Pressure (mmHg) Systolic Diastolic Hypertensive
AMBULATORY TECHNOLOGY ECG Electrodes Blood Pressure Cuff Microphone Control Box
AVERAGE PRESSURES Work hrs Leisure hrs Night Time Mean =136 mmHg hrs Day Time Mean = 139 mmHg 0600 –2200 hrs 24 hour Mean =139 mmHg
SLOPE OF MORNING RISE 3:00 am 6:00 am
47% 48%
5177 mmHg hr 9876 mmHg hr AREA UNDER THE CURVE
CrestCPS = 10.4 Trough CPS = CrestCPS = 7.55 Trough CPS =- 12.5
FOURIER ANALYSIS BP(t) = c 0 + Σ [a j cos(jπt/12)+b j sin(jπt/12)]
FOURIER ANALYSIS
ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
Heart Arterial Vasculature Central Nervous System BARO & CHEMO RECEPTORS Heart Rate Contractility Heart Rate Contractility Vasoconstriction
Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Heart Rate Contractility Heart Rate Contractility Vasoconstriction
Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Heart Rate Contractility Heart Rate Contractility Vasodilation
Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Kidneys Lungs
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
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
RENIN ANGIOTENSIN Central Nervous System Arterial Vasculature Heart Angiotensin I Kidneys Converting Enzyme Angiotensin II Angiotensin III Lungs
RENIN ANGIOTENSIN Central Nervous System Heart Kidneys Angiotensin II Lungs Arterial Vasculature Vasoconstriction
RENIN ANGIOTENSIN Central Nervous System Heart Kidneys Angiotensin II Lungs Arterial Vasculature Vasoconstriction Vegal Tone Catecholamines Heart Rate Contractility Heart Rate Contractility
RENIN ANGIOTENSIN Central Nervous System Heart Angiotensin II Lungs Arterial Vasculature Aldosterone Kidneys Reabsorb Fluid
Renin-Angiotensin CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Vasoconstriction Heart Rate Contractility Fluid Heart Rate Contractility Fluid
ATRIAL NATURETIC FACTOR Heart Central Nervous System Kidneys Arterial Vasculature Vasodilation Renin Fluid Loss
Heart CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Fluid Loss Vasodilation
ANTI-DIURETIC HORMONE Kidneys Pituitary Gland Fluid Reabsorption
Atrial Naturetic Factor CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Fluid Reabsorption
ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
NATURAL HISTORY Genetic Predisposition Salt Stress Transient Changes Low High Stabilizing Factors
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: , 2003 Hypertension 42: , 2003 Department of Health & Human Services Pub No , 2003 JAMA 289: , 2003 Hypertension 42: , 2003 Department of Health & Human Services Pub No , 2003
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
ANF Central Nervous System Renin-Angiotensin Anti-Diuretic Hormone Baro & Chemo Receptors CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE
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
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
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
Adjust dosage if not at Blood Pressure Goal
TREATMENT
Exercise Effectiveness Whelton, S.P., et al., Annals of Internal Medicine, (7): p Kelley, G.A. and K.S. Kelley, Hypertension, (3): p ResistanceCardiovascular
Med Sci Sports Exerc 36: , 2004
INTENSITY Fagard & Tipton, Physical Activity, Fitness and Health, p , Fagard & Tipton, Physical Activity, Fitness and Health, p , Change in Blood Pressure (mmHg)
The Interaction of Exercise and Medications? Kelelrman, M.H. et al, JAMA 263: , 1990
Padilla, MSSE 37: , 2005.
Accumulation of Four Short Exercise Sessions
One Continuous Exercise Session
Wallace, et al. J Human Hypertension 13: , 1999 8.3 mm Hg in SBP for 11 hr 6.0 mm Hg in DBP for 4 hr
TIME OF DAY FOR EXERCISE Park, S., et al., Journal of Human Hypertension 19: , 2005
TIME OF DAY FOR EXERCISE Park, S., et al., Medicine and Science in Sport and Exercise, in press.
Baro receptors Vasopressin Atrial Natriuretic Factor Renin-Angiotensin Central Nervous System
Alpha Blockers Ca ++ Channel Blockers ARBs Diuretics β Blockers ACE Inhibitors α 2 agonists Aldosterone Receptor Blockers
CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE Renin-Angiotensin Vasopressin Baroreceptors ANF Central Nervous System
CARDIAC PERIPHERAL BP = OUTPUT XVASCULAR RESISTANCE DiureticsVasodilators Cardioinhibitory Sympatholytics
BP = CARDIAC OUTPUT X VASCULAR RESISTANCE Cardioinhibitory Beta-Blockers Ca ++ Channel Blockers dihydropyridines Ca ++ Channel Blockers Penylkylamines Ca ++ Channel Blockers benzothiazepines