Health Guide | Prof. Dr. Hakan Uçar

Hakan Uçar

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Evidence-based writing on procedures, recovery and the questions patients ask most.

How does PFO closure reduce stroke risk?

Featured Q&A September 4, 2026 How does PFO closure reduce stroke risk? In selected cryptogenic-stroke patients, PFO (patent foramen ovale) closure reduces the risk of recurrent stroke compared with medication. Randomized trials show this benefit alongside an increased risk of atrial fibrillation. 04 Sep Est. reading time: 8 min Read article

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Representative medical illustration of a stent within a coronary artery. AI-generated representative medical illustration; it does not depict a specific patient, device model or individual treatment plan.

Patient guide Sep 4, 2026 Est. reading time: 17 min Medications After Stenting and Bleeding Risk: How Long Does DAPT Last? Dual antiplatelet therapy duration after coronary stenting is not the same for every patient. Why the stent was placed, bleeding risk, ischa... Read

Wrist or Groin Angiography? Radial Versus Femoral Access

Q&A Sep 4, 2026 Est. reading time: 14 min Wrist or Groin Angiography? Radial Versus Femoral Access When feasible, current guidelines prefer the radial artery at the wrist for coronary angiography and stenting. In some patients the femoral... Read

Representative medical illustration of transcatheter and surgical bioprosthetic aortic valve concepts. AI-generated representative medical illustration; it does not depict a specific patient, device model or individual treatment plan.

Patient guide Sep 4, 2026 Est. reading time: 13 min TAVI or Surgery? How TAVI and SAVR Are Chosen in Aortic Stenosis The choice between TAVI and surgical aortic valve replacement is not based on age alone. Valve anatomy, surgical risk, vascular access, life... Read

Simplified representative medical illustration of stenting and bypass principles in coronary bifurcation disease. AI-generated representative medical illustration; it does not depict a specific patient, device model or individual treatment plan.

Patient guide Sep 4, 2026 Est. reading time: 11 min Left Main Coronary Artery (LMCA) and Bifurcation Disease: Stent or Bypass? The choice between stenting and bypass for left main or bifurcation disease is not made by stenosis percentage alone. Coronary anatomy, the... Read

Gene Therapy for Cholesterol: VERVE-102, Heart-2 and HEART-3

Clinical review Sep 4, 2026 Est. reading time: 8 min Gene Therapy for Cholesterol: VERVE-102, Heart-2 and HEART-3 PCSK9 base editing with VERVE-102 is not an approved therapy. Heart-2 phase 1b data show dose-dependent LDL lowering, while the HEART-3 phas... Read

Medical illustration of lipoprotein(a) particles accumulating in an artery wall

Article Sep 4, 2026 Est. reading time: 14 min Lipoprotein(a) [Lp(a)]: A lifelong risk marker often checked once Lipoprotein(a) [Lp(a)] is a largely genetic risk marker and is not influenced by diet and exercise the way LDL cholesterol is. Current docum... Read

Representative medical illustration of a TAVI bioprosthetic valve and echocardiographic follow-up. AI-generated representative medical illustration; it does not depict a specific patient, device model or individual treatment plan.

Clinical review Sep 4, 2026 Est. reading time: 12 min How Long Does a TAVI Valve Last? Current 7- and 10-Year Data There is no fixed lifespan that fits every TAVI valve. Current randomised data provide follow-up to 7 years for modern TAVI systems and to 1... Read

Representative medical illustration of central mitral leaflet approximation. AI-generated representative medical illustration; it does not depict a specific patient, device model or individual treatment plan.

Clinical review Sep 4, 2026 Est. reading time: 8 min MitraClip or PASCAL? Two-year results of the CLASP IID trial CLASP IID is the first randomized trial to directly compare PASCAL and MitraClip in patients with severe symptomatic degenerative mitral reg... Read

These articles are for information only; please consult your physician for personal diagnosis and treatment.