💊 Medical Management

2025 AHA/ACC Evidence-Based Pharmacotherapy Strategies

🎯 PREVENT-Guided Treatment Decisions

The 2025 guidelines fundamentally restructure treatment decisions using the PREVENT calculator with the unified 7.5% threshold for Stage 1 hypertension, aligning cardiovascular risk reduction strategies with statin therapy recommendations.

📊 Treatment Thresholds Using PREVENT

🎯 Unified 7.5% Risk Threshold

The 7.5% threshold represents deliberate alignment with statin therapy thresholds, promoting unified cardiovascular risk reduction strategies.

Stage 1 HTN + PREVENT ≥7.5%

Class 1: Immediate medication

Stage 1 HTN + PREVENT <7.5%

Class 1: Medication after 3-6 month lifestyle trial

Stage 2 HTN

Class 1: Immediate dual therapy

🏗️ First-Line Agent Selection

First-line agent selection maintains thiazide-type diuretics, long-acting dihydropyridine calcium channel blockers, ACE inhibitors, and ARBs as Class 1 recommendations based on cardiovascular outcome trials.

💧 Thiazide-Type Diuretics

Preferred: Chlorthalidone over HCTZ for superior potency

Dosing

Chlorthalidone: 12.5-25 mg daily
Indapamide: 1.25-2.5 mg daily
HCTZ: 25-50 mg daily (less preferred)

✓ Advantages

  • Excellent CV outcomes
  • Low cost
  • Synergistic

📋 Monitoring

  • K+, Na+, Mg2+
  • Creatinine
  • Glucose, uric acid

🛡️ ACE Inhibitors / ARBs

RAAS Blockade: Preferred for diabetes, CKD, or HF

ACE Inhibitors

Lisinopril: 10-40 mg
Enalapril: 5-20 mg BID
Ramipril: 2.5-10 mg

ARBs

Losartan: 50-100 mg
Olmesartan: 20-40 mg
Telmisartan: 40-80 mg

⭐ Special Indications

Diabetic kidney disease HFrEF Post-MI CKD

🔄 Calcium Channel Blockers

DHPs: Long-acting formulations preferred

Long-Acting DHPs

Amlodipine: 2.5-10 mg
Nifedipine XL: 30-90 mg
Felodipine: 2.5-10 mg

Non-DHPs

Diltiazem: 120-360 mg
Verapamil: 120-480 mg
Rate control option

💡 Clinical Pearls

  • Excellent for isolated systolic HTN
  • Safe in CKD • Monitor for edema
  • Avoid immediate-release nifedipine

💓 Beta-Blockers

Reserved: Not first-line unless compelling indication

⭐ Compelling Indications

HFrEF
Post-MI
Angina / AFib rate control

Preferred Agents

Metoprolol XL: 25-200 mg
Carvedilol: 3.125-25 BID
Bisoprolol: 2.5-10 mg

⚠️ Limitations

  • Less effective for stroke prevention
  • Metabolic effects • Contraindicated in severe asthma
  • May mask hypoglycemia

🤝 Combination Therapy Strategy

CLASS 1

Initial Dual Therapy for Stage 2 HTN

Combination therapy achieves target BP 6 months faster with fewer adverse events than sequential monotherapy titration.

🎯 Preferred Combinations

ACEi/ARB + Thiazide
ACEi/ARB + CCB
CCB + Thiazide

📦 Single-Pill Combinations

20-25%

Better adherence vs separate tablets

  • Simplified dosing regimens
  • Cost-effective long-term
  • Reduced pill burden

Clinical Advantages

⏱️ Faster time to goal BP
🔗 Synergistic mechanisms
Fewer dose-related side effects
📈 Improved long-term outcomes
CLASS 3 HARM

🚫 Dual RAAS Blockade

Increased hyperkalemia, hypotension, and AKI without CV benefit (ONTARGET, ALTITUDE trials)

Prohibited Combinations

ACE inhibitor + ARB
ACEi/ARB + Direct renin inhibitor
Triple RAAS blockade

⚠️ Increased Risks

🔺
Hyperkalemia
K+ >5.5
📉
Hypotension
🩺
Acute Kidney
Injury
💫
Syncope
& Falls

📊 Trial Evidence

ONTARGET

No CV benefit with dual blockade

ALTITUDE

Increased harm, trial stopped early

⚠️ FDA & EMA Warnings

🎯 Blood Pressure Goals

<130/80
mmHg
STANDARD TARGET

Universal Goal: All high-risk patients before considering intensification

High-Risk Criteria

PREVENT ≥7.5% Clinical CVD Diabetes CKD
<120
mmHg Systolic
INTENSIVE TARGET
SPRINT Evidence
25% ↓ CV events • 27% ↓ mortality

✓ Select For

  • Age ≥50 + high CV risk
  • No diabetes
  • No prior stroke

✗ Exclude

  • Frail elderly
  • Orthostatic HTN
  • Limited life expectancy
⚖️
Shared Decision Making
INDIVIDUALIZED

🤔 Consider

  • Comorbidity burden
  • Medication tolerance
  • Patient preferences
  • Quality of life

📋 Monitor

  • Regular BP checks
  • Orthostatic BP
  • Kidney function
  • Electrolytes

🧮 Interactive Treatment Decision Tool

Treatment Threshold Calculator

5.0%

Treatment Recommendation

Based on current inputs, lifestyle modifications are recommended.
Preferred Initial Therapy:
Lifestyle modifications first
Target Blood Pressure:
<130/80 mmHg

🎯 Key Implementation Strategies

📊 PREVENT Integration

Use PREVENT calculator for all Stage 1 hypertension treatment decisions. The 7.5% threshold aligns with statin recommendations for unified cardiovascular risk reduction.

💊 Combination Priority

Start dual therapy for Stage 2 hypertension. Single-pill combinations improve adherence by 20-25% compared to separate tablets.

🎯 Goal Achievement

Achieve <130/80 mmHg in all high-risk patients. Consider intensive targets (<120 mmHg) only in carefully selected patients without contraindications.

📚 For Educational Purposes Only

© 2025 University of Dubuque PA Program - All Rights Reserved