Oral and Maxillofacial Surgery Lectures

Hypertension and Dental Care: A Treatment Complete Guide

Hypertension and Dental Care

🩺 Hypertension and Dental Care: A Treatment Complete Guide 🦷📊

🔍 What is Hypertension?

Hypertension is a common cardiovascular condition defined as systolic blood pressure ≥140 mm Hg or diastolic blood pressure ≥90 mm Hg. It increases the risk of several serious conditions including:

  • 💔 Myocardial infarction (heart attack)
  • 🧠 Stroke
  • 🧫 Renal (kidney) failure
  • 🩸 Atherosclerosis
  • 💥 Congestive heart failure

🔹 Systolic pressure: force during heart contraction
🔹 Diastolic pressure: force when the heart is relaxed

🧬 Causes and Risk Factors

Although the exact cause of hypertension is often unknown, it is closely linked to several lifestyle and health factors:

  • 🚬 Smoking
  • 🍔 High cholesterol
  • ⚖️ Obesity
  • 🍩 Diabetes mellitus
  • 🛋️ Physical inactivity
  • 🧪 Atherosclerosis
  • 🧬 Kidney dysfunction (via vasopressin and fluid retention)

💊 Hypertension Management Strategies

📦 Lifestyle Modifications

✔️ Weight reduction
✔️ Dietary changes (e.g., DASH diet, low sodium)
✔️ Regular exercise 🏃‍♂️
✔️ Smoking cessation 🚭
✔️ Stress management 🧘‍♀️

💉 Pharmacologic Treatment (as per hypertension algorithm)

📌 Without Compelling Indications:

  • Stage 1 HTN (140–159/90–99):
    • Start with thiazide diuretics
    • May use: ACEIs, ARBs, Beta blockers (BBs), CCBs
  • Stage 2 HTN (≥160/≥100):
    • Begin with two-drug combinations, usually thiazide + ACEI/ARB/BB/CCB

📌 With Compelling Indications:

  • Use specific medications tailored to conditions like heart failure, post-MI, or diabetes

🔁 If blood pressure is not at goal:

  • Titrate doses
  • Add additional medications
  • Refer to hypertension specialist if needed

📋 Classification of Blood Pressure & Follow-up Recommendations

ClassificationSystolic (mm Hg)Diastolic (mm Hg)Follow-up
Normal 🟢<120<80Recheck in 2 years
Prehypertension 🟡120–13980–89Recheck in 1 year
Stage 1 HTN 🟠140–15990–99Confirm within 2 months
Stage 2 HTN 🔴≥160≥100Evaluate/referral within 1 month; urgent if >180/110

🦷 Dental Treatment Guidelines Based on Blood Pressure

BP ReadingDental Care Allowed?Follow-Up Action
≤120/80✅ All procedures allowedNo referral needed
120–139 / 80–89✅ All procedures allowedEncourage physician follow-up
140–159 / 90–99✅ All procedures allowedPhysician follow-up recommended
160–179 / 100–109✅ Treatment with caution (monitor BP)Refer within 1 month
≥180/110❌ Elective care deferredUrgent referral required

⚠️ Signs and Symptoms of Hypertensive Disease

🧪 Early Signs:

  • Elevated BP readings 📈
  • Retinal arteriole narrowing 👁️
  • Headache 🤕
  • Dizziness 😵
  • Tinnitus 🔊

🧬 Advanced Signs:

  • Retinal hemorrhage 🩸
  • Papilledema
  • Left ventricular hypertrophy
  • Proteinuria 🧫
  • Congestive heart failure 💔
  • Renal failure
  • Angina
  • Dementia 🧠
  • Encephalopathy

💊 Drugs Used to Manage Hypertension & Dental Considerations

Diuretics

  • Thiazides (e.g., HCTZ): Dry mouth, lichenoid reactions
  • Loop diuretics (e.g., furosemide): Monitor hydration
  • Potassium-sparing (e.g., amiloride): Monitor potassium levels

Beta Blockers (BBs)

  • Nonselective (e.g., propranolol): Avoid high-dose epinephrine, taste changes
  • Cardioselective (e.g., metoprolol): Safe with dental anesthetics

ACE Inhibitors (e.g., lisinopril)

  • May cause oral burning, angioedema of lips, taste changes

🦷 Dental Management Guidelines for Hypertensive Patients

⚠️ Drug Interactions

  • Avoid erythromycin/clarithromycin with CCBs
  • Avoid long-term NSAIDs, especially with ACEIs/BBs

💉 Anesthesia Use

  • Up to 2 cartridges of epinephrine (1:100,000 or 1:200,000) is safe if BP <180/110
  • Avoid levonordefrin in uncontrolled hypertension

🧘 Stress Reduction

  • Use oral or inhalation sedation if anxious
  • Monitor BP intraoperatively if ≥160/100

🪑 Chair Positioning

  • Avoid sudden position changes to prevent orthostatic hypotension

🩺 Emergency Preparedness

  • Be alert for signs of MI, stroke, or arrhythmias
  • Keep oxygen, nitroglycerin, and emergency contact ready

🔌 Pacemakers and Implantable Devices in Dentistry

  • Devices include pacemakers and ICDs
  • Function: Stabilize heart rhythm and store electrical activity data
  • No significant interference with ultrasonic dental equipment reported
  • No need for antibiotic prophylaxis for pacemakers

✅ Summary

Managing dental care in patients with hypertension requires:

  • Understanding BP classifications 📊
  • Recognizing symptoms early 🧠
  • Adapting dental procedures accordingly 🦷
  • Being cautious with certain drugs and anesthesia 💊
  • Coordinating with physicians for high-risk cases 👨‍⚕️

Maintaining a safe and stress-free dental environment can prevent serious complications and ensure excellent patient outcomes.

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