Dr RR Baliga's "Got Knowledge Doc" Podkast

🔥 Medicine, Heresy & the Stars: Pietro d'Abano

Meet Pietro d'Abano (c.1257–1315/16)—physician, philosopher, astrologer, and one of medieval medicine's great intellectual boundary-crossers. 🩺📚

Drawing on Aristotle, Avicenna and Averroes, his Conciliator tried to reconcile medicine with natural philosophy. His willingness to question accepted explanations eventually collided with the Inquisition. ⚖️🔥

A fascinating reminder that medical progress has always depended on curiosity—and sometimes courage.

🎙️ Great Doctors Series | Where Curiosity Meets Clarity!

🩸 Drop aspirin after 12 months? A-CLOSE says: not so fast. In 3,203 high-ischemic-risk patients after drug-eluting stenting, clopidogrel alone was noninferior to extended DAPT for net clinical events (5.0% vs 5.1%).

But beneath that reassuring composite was a striking trade-off: ischemic events were higher with clopidogrel alone (3.7% vs 1.6%; HR 2.33), while bleeding was lower (1.8% vs 4.1%; HR 0.43).

⚖️ The lesson: "noninferior" does not mean clinically interchangeable. Individualize ischemic versus bleeding risk. ❤️

🫁 Stable—but not safe. Should we intervene before patients crash?

PRAGUE-26 randomized 558 patients with intermediate-high–risk acute pulmonary embolism to catheter-directed low-dose alteplase + anticoagulation or anticoagulation alone. The 7-day composite of death, recurrent PE, or cardiorespiratory decompensation/collapse fell from 6.8% to 0.7% (RR 0.10; P—mainly through fewer episodes of decompensation. 🎯

Major bleeding was not increased, although 2 intracranial hemorrhages occurred with thrombolysis. 🩸

💡 The emerging paradigm: prevent the crash rather than rescue it.

🦪 Small Creatures, Mighty Nutrition, Global Impact

Could aquatic invertebrates help close the global micronutrient gap? 🌊 A fascinating Nature study finds that current production supplies the equivalent annual requirements of vitamin B12 and selenium for >5 billion people—and copper, omega-3 fatty acids, iodine and zinc for >1 billion. 🦐

💡 Bivalves are particularly rich in iron, iodine, zinc and B12. But nutrition on paper is not nutrition on the plate: sustainability, safety, access, affordability and bioavailability matter.

Tiny creatures. Enormous nutritional potential. 🌍

🫀 Cut the Signal, Cut the Risk?

Could pulmonary-artery denervation change the trajectory of heart failure–related pulmonary hypertension?

In PADN-HF-PH, 264 symptomatic patients were randomized to denervation + guideline-directed medical therapy or medical therapy alone. Clinical worsening at 2 years: 25.7% vs 51.5% (HR 0.49; P=0.006). ⚡

A provocative concept: pulmonary sympathetic overactivity may be a modifiable therapeutic target. 🎯

But no sham control, China-only enrollment, and mortality benefit remains unproven

🧬 Could semaglutide do more than treat obesity and diabetes?

A fascinating study in aged female mice suggests that late-life semaglutide may act partly as a calorie-restriction mimetic—improving cognition, physical function and glucose control while attenuating multiple hallmarks of ageing. 🐭⏳

Most strikingly, median lifespan increased from 742 to 834 days. The biology implicates nutrient sensing, NAD⁺–sirtuin and insulin–IGF1 pathways.

🫀 Should we start a statin after age 70? STAREE delivers an important answer.

In 9,971 adults ≥70 without cardiovascular disease, diabetes, or dementia, atorvastatin 40 mg reduced major cardiovascular events by 30% over 5.9 years (HR 0.70; NNT 37).

💊 Yet it did not prolong disability-free survival (HR 0.94). The benefit was driven largely by fewer myocardial infarctions and coronary revascularizations.

🎯 Take-home: age alone should not close the door on cardiovascular prevention—but preventing events is not the same as extending healthy life.

🌍 The Monk, the Manuscripts, the Medical Bridge

How did Arabic medical knowledge reach medieval Europe? 📚🩺

Meet Constantine the African (c. 1010–1087)—North African physician, multilingual translator, and Benedictine monk at Monte Cassino. His Latin translations of major Arabic medical works helped transmit centuries of scholarship to Salerno and beyond.

🌉 His enduring lesson: medicine advances when knowledge crosses borders.

🎙️ Great Doctors Series — Dr RR Baliga's Podkast for the Kurious Doc. Where Curiosity Meets Clarity!

🫀 Atherosclerosis doesn't wait for middle age. In the REACT study of 16,808 adults without known ASCVD, silent plaque was found in 57.1% overall—and even in 8.7% of men and 6.7% of women aged 18–29.

Plaque burden rose dramatically with age and increasingly involved multiple arterial territories. 🚨

Even more provocative: conventional 10-year risk classification identified only a minority with existing silent disease.

Low predicted risk does not necessarily mean plaque-free arteries. 🔍 Prevention may need to think younger—and earlier.

🫀 AF + just one stroke-risk factor: anticoagulate or not?

The SINGLE-AF randomized trial tackled this common clinical gray zone. At 24 months, the composite of stroke, systemic embolism, major bleeding, or cardiovascular death occurred in 0.5% with a DOAC vs 1.5% without anticoagulation (HR 0.31; P=0.03). 🎯

⚠️ Only 17 primary events occurred, so the effect estimate remains imprecise.

Anticoagulation for Atrial Fibrillation with Intermediate Stroke Risk.pdf

💡 Takeaway: SINGLE-AF strengthens the case for DOAC therapy in selected intermediate-risk AF patients—but individualized decision-making remains essential.