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Intro to cardiovascular disord
part 2 - hypertension and heart failure
47
Medical
Professional
03/16/2009

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Cards

Term
Approximately what % of the US adult population has HTN?
Definition
31%
Term
True or false?

Incidence of HTN is relatively equal across both sexes
Definition
true
Term
Are hypertension control rates improving or decreasing?
Definition
improving -

2003 data shows 2/3 of htn patients received treatment
Term
What are some major risk factors for HTN?
Definition
1) african-american race
2) smoking, ETOH
3) type A personality
4) dyslipidemia
5) diabetes
6) genetics
7) physical inactivity
8) increased sodium intake
9) age
10) obesity
Term
in terms of etiology - what percentage of patients are idiopathic?
Definition
90%
Term
What are some secondary etiological concerns of HTN?
Definition
renal dysfunction, medications, phenochromocytoma, endocrine disorders, sleep apnea
Term
what does total peripheral resistance (TPR) indicate in regard to arteriole muscle?
Definition
arteriole smooth muscle tone
Term
according to JNC-7 classification, what BP indicates stage 1? what about normal, prehypertension and stage 2?
Definition
stage one = (140-159/90-99 mmHg)

normal = (<120/<80 mmHg)
pre = 120-139/80-89 mmHg
stage 2 = >160 / >100 mmHg
Term
name some of the most serious consequences of HTN
Definition
premature CV disease (ischemic heart disease/ coronary artery disease), angina, myocardial infarction, stroke

heart failure, end-organ damage
Term
Rate of mortality doubles w/ ___ mmHG sys and ___ mmHg diast
Definition
20/10
Term
True or false?

most patients will reach systolic BP goal once they reach diastolic BP goal.
Definition
False,

reverse
- most reach DBP once they reach SBP
Term
What lifestyle modification provides the greatest approx SBP reduction?
Definition
weight reduction (BMI less than 25kg/m2)
Term
What lifestyle modification is likely to produce the least amount of change in SBP?
Definition
moderation of EtOH
Term
According to JNC7, what are some of the initial treatments of HTN?
Definition
diuretics, ace-inhibitors, angiotensin receptor blockers, calcium channel blockers, beta blockers
Term
What is the primary mechanism of diuretics?
Definition
reduce C by increasing fluid excretion by the kidneys -> decreases the circulating fluid volume that the heart pumps
Term
What is the typical name ending of beta blockers?
Definition
"-olol"

ex. metoprolol, atenolol
Term
what is the primary mechanism for calcium channel blockers?
Definition
dilate arterioles to cause a decrease i TPR
Term
ACE inhibitors primarily function by inhibiting the angiotensin-coverting enzyme which prevents the formation of the __________ (a vasocontrictor)
Definition
angiotensin-II
Term
What is the typical name ending for angiotensin receptor blockers?
Definition
"-sartan"

ex. iosartan, valsartan
Term
name some agents that may increase bp or hr
Definition
1) cough/cold preparations
2) NSAIDs
3) Caffeine
4) appetite suppressants/weight loss
5) herbals/energy boosters
Term
the majority of patients require how many agents for treatment of HTN?
Definition
2+
Term
Which type of diuretics should initially be used for most patients?
Definition
"thiazide type"
Term
According to the AHA statement in 2007, what changes occurred regarding thiazide diuretics?
Definition
thiazide diuretic may not be preferred initial agents
Term
name steps in the role of pharmacist working with HTN patient
Definition
screen for risk factors
lifestyle modification
reinforce silent killer
education
patient assistance programs
compliance aids
counsel on the good use of OTC agents
Term
What is the rationale behind the detailed recommendations for HBPM?
Definition
offers benefit over office BP measurement

patient actively involved in his/her own care
Term
epidemiological studies on heart failure shows that it is the leading cause of ________ in persons > 65
Definition
hospitalization
Term
What are some risk factors for HF?
Definition
HTN

myocardial infarction

coronary artery disease

diabetes

dilated cardiomyopathy

valvular heart disease

arrhythmias

cardiotoxic drugs

etoh, smoking
Term
HF impairs the hearts ability to act as a ____
Definition
pump
Term
True or false?

there is no single diagnostic test for HF
Definition
true
Term
What are some compensatory responses to maintain adequate CO?
Definition
increased HR and contractility, increased preload, vasoconstriction to increase blood flow to organs, ventricular remodeling and hypertrophy
Term
Which side is affected when the blood backs up into pulmonary circulation = forces fluid into the lungs?
Definition
left
Term
which side is affected with blood backs up into peripheral circulation?
Definition
right side
Term
What are some common signs on a physical exam that indicates left or right side?
Definition
dyspnea, fatigue, edema, rales, weight gain
Term
what are some objective measures to determine right or left side?
Definition
LVEF per ECHO, BNP
Term
describe BNP as objective measure of LVEF
Definition
brain naturioletic peptide ->release by vent when the are over streatched -> rule out other disease that includes SOB, also use as a baseline for treatment
Term
NYHA functional class - class IV indicates what?
Definition
occurrence of symptoms at rest
Term
in AHA.ACC functional class, why can the patients not return to previous stages?
Definition
to prevent ventricular hypertrophy and remodeling.
Term
What is a s3 gallop?
Definition
3rd sound due to abnormal vent filling
Term
jugular venous distention is a sign of ___ side HF
Definition
right
Term
Stage C or AHA/ACC functional class is the largest class ... what is stage C?
Definition
means past or current symptoms of HF associated with underlying structural disease
Term
How does digoxin help in treatment of HF?
Definition
improves symp/inc contractility/toxicity
Term
How do ACE inhibitors help treat HF?
Definition
improves the ventricular remodeling if routinely used
Term
according to principles of therapy, stage D would indicate special treatments such as?
Definition
heart transplant or hospice
Term
What are some non-pharmacological therapies?
Definition
dietary sodium and fluid restriction

weight loss if appropriate

regular exercise

abstinence from etoh and tobacco

influenza and pneumococcal vaccinations
Term
What are some rx meds known to exacerbate HF?
Definition
1) glitazones
2) pregabalin
3) rx strength NSAIDs
4) corticosteroids
5) cilostazol
6) amphetamines

and possibly metformin
Term
What are some OTC agents that can contribute to HF?
Definition
NSAIDs Cough/cold preps salt substitutes food labels herbals
Term
what is the pharmacist's role in HF?
Definition
educate patients and families, lifesstyle mods, risk factor management, vaccinations, adherence to meds
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