When the White House confirmed that President Trump has chronic venous insufficiency (CVI—it shoved a once-niche medical term into prime-time headlines. Search interest for phrases like “leg swelling,” “venous disease,” and “compression socks” have surged over the past week as Americans ask what the condition is, who gets it, and how it’s treated. CBS NewsLos Angeles Times

What exactly is CVI?

Healthy leg veins push blood back to the heart against gravity with help from tiny one-way valves and the squeezing action of calf muscles. In CVI those valves become damaged or weak, so blood pools in the lower legs, raising venous pressure—a process doctors call venous hypertension. The result can be edema (swelling), aching, heaviness, skin discoloration, varicose veins, and, in advanced cases, venous ulcers. uow.edu.au

Why the sudden spotlight matters

While CVI is common—affecting up to 40 percent of adults over 50—most people don’t recognize early signs until swelling or varicose veins appear. A high-profile case like Trump’s (he is reportedly at a moderate stage but otherwise stable) brings instant awareness, pushing millions to research their own symptoms or a parent’s. That spike in curiosity is an opportunity to educate the public on preventative measures and evidence-based care. ReutersABC News

Risk factors and warning signs

• Age & genetics: Valve wear-and-tear accumulates with age; family history magnifies risk.
• Prolonged standing or sitting: Occupations such as retail, nursing, and driving reduce calf-pump action.
• Pregnancy & hormones: Increased blood volume and progesterone weaken vein walls.
• Obesity & inactivity: Extra abdominal pressure and poor muscle tone slow venous return.
  Early clues include ankle swelling that worsens by evening, itching or tingling in the calves, or veins that look twisted or bulging. Left unchecked, CVI can progress to skin thickening (lipodermatosclerosis) and open sores that are slow to heal. uow.edu.au

First-line treatments (and why compression matters)

Clinical guidelines still start with three conservative pillars:

1. Graduated compression stockings (15–40 mmHg): External pressure narrows vein diameter, speeds up flow, and prevents reflux. Medical-grade stockings remain the gold standard; studies link consistent wear to reduced swelling, pain, and ulcer recurrence. AP NewsReuters
2. Lifestyle tweaks: Daily walks, calf-raises, leg elevation above heart level, and weight control all cut venous pressure. PBS
3. Skin care: Gentle cleansing and moisturizers avoid breakdown in vulnerable tissue.

If symptoms persist, vascular specialists may recommend endovenous ablation, sclerotherapy, or phlebectomy—minimally invasive procedures that close or remove faulty veins. UC Davis Health

Key takeaways for readers

• CVI is common, progressive, and treatable when caught early.
• Consistent use of properly fitted compression hosiery can arrest or even reverse many symptoms.
• Sudden leg swelling deserves medical evaluation to rule out clots or heart-related causes.
• High-profile disclosures—like President Trump’s—should be a reminder to prioritize vein health rather than a cause for panic.

This explainer is for informational purposes only and does not replace professional medical advice. If you notice persistent leg swelling or pain, consult a qualified healthcare provider.