Educational Articles So You Can Go Further

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published October 29, 2025 Featuring Dr. Joshua Trock, DPT, RVT, CLT-LANA — Lymphedema Specialist, Medical Vein Clinic San Antonio Does Breast Cancer Treatment Cause Lymphedema? Yes. Breast cancer surgery, particularly lymph node removal, and radiation therapy […]

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published October 1, 2025 Genicular Artery Embolization, or GAE, is a minimally invasive outpatient procedure for chronic knee pain caused by osteoarthritis. It works by reducing blood flow to the inflamed lining of the knee joint, […]

Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published October 1, 2025 What Is Vascular Health and Why Does It Matter After 45? Vascular health refers to the health of your arteries, veins, and lymphatic vessels — the system responsible for moving blood and fluid […]

Dr. Thomas Gianis, MD, FACS, FSVS, DABVLM, RPVI — board-certified vascular surgeon and fellowship-trained endovascular specialist at Medical Vein Clinic San Antonio. Why Vascular Disease Is a Bigger Threat to Men Than Most Realize Men develop large-artery vascular disease at significantly higher rates than women, yet are far less likely to seek medical care until […]

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published August 19, 2025 | As seen in SA Woman Magazine What Is the Difference Between Lipedema and Lymphedema? Lipedema and lymphedema both cause painful swelling in the legs but are fundamentally different conditions requiring different […]

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published August 5, 2025 | As interviewed on KXAN NBC Austin What Is Chronic Venous Insufficiency (CVI)? Chronic venous insufficiency, or CVI, occurs when the one-way valves inside leg veins fail, preventing blood from flowing efficiently […]

Approximately 40 million Americans are affected by varicose veins, making this one of the most prevalent yet often misunderstood circulatory conditions. These enlarged veins present in two distinct ways: some are highly visible as bulging, rope-like structures on the legs, while others remain hidden beneath the skin, producing symptoms that patients frequently overlook until the […]

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published July 11, 2025 What Is Venous Insufficiency? Venous insufficiency occurs when the one-way valves inside leg veins weaken or fail, preventing blood from flowing efficiently back to the heart. Blood pools in the lower legs […]

 For many patients, varicose veins develop slowly over time. But for one San Antonio man, a childhood accident led to years of visible, unsightly vein problems. “When I was a kid, I wrecked my go-kart and crushed my calf. That left me with an ugly cluster of varicose veins.” The damaged veins below his knee […]

By Dr. John Hogg, MD, DABR, DABVLM — Founder and Board-Certified Vascular Specialist, Medical Vein Clinic San Antonio | Published July 10, 2025 How Varicose Veins Develop: The Valve Failure Explained Compression Therapy: The First Line of Defense for Varicose Veins. When leg swelling, heaviness, or varicose veins appear, many patients assume surgery is their […]