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    EMACIATED INDIAN POW RESCUED FROM THE JAPANESE

     

    For starters, The Times of India reported on August 11, 2014 that on April 2,1946 the Reuters correspondent in Melbourne, Australia cabled a short message that was carried by almost all newspapers a day later including the Times of India. The message read “ The Japanese Lieutenant Hisata Tomiyasu found guilty of the murder of 14 Indian soldiers and of cannibalism at Wewak (New Guinea) in 1944 has been sentenced to death by hanging, it is learned from Rabaul.

     

    It is well known that their Japanese captors treated more than 10,000 Indian prisoners of war in the most inhuman way. There was no distinction between Indian officers and men. Often parties of haggard men would be taken away from the prison camps to the shooting range where they would be used as live targets for new Japanese infantry recruits to improve their shooting. Soldiers not killed in the firing would be bayoneted to death.

     

    Japan had for long years evaded charges that its leading corporations enforced Nazi style labor during the Second World War. Mitsubishi with the famous triple diamond logo had long denied liability for thousands of Chinese serf labor in its coalmines. Mitsubishi in fact had argued that Japan had never invaded China. Japan captured Nanking in 1937 and in less than 6 weeks managed to slaughter more than 300,000 Chinese, one of the worst atrocities in history.

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  2. INSTANTANEOUS WAVE FREE RATIO IS CALCULATED DURING DIASTOLE WITHOUT NEED FOR HYPERAEMIA

    INSTANTANEOUS WAVE FREE RATIO IS CALCULATED DURING DIASTOLE WITHOUT NEED FOR HYPERAEMIA

     

    Fractional flow reserve (FFR) albeit highly accurate in determining the physiological relevance of an intermediate coronary block is still not widely used in most cath labs of the world. Data from 2008 to 2009 has revealed that FFR was used in only 6% of indeterminate lesions in the United States. Results of FAME and FAME 2 trials have shown significant reduction in major adverse cardiovascular events with FFR guided coronary intervention in patients with stable coronary disease. There was no significant reduction in mortality in the FAME trial.

     

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    Elective percutaneous coronary intervention (PCI) has always included at least an overnight stay due to fears of acute complications such as myocardial infarction, bleeding or vascular complications. Over the years interventional cardiologists have acquired greater confidence with improved hardware and better percutaneous techniques whilst doing PCI procedures. The risks of major adverse events have gradually been shrinking and are actually quite low. Most major adverse events occur within 6 hours of PCI. A same day discharge (SDD) protocol has gradually emerged after single center randomized and observational SDD experience. Overnight stay remains standard practice after a PCI.

     

    A meta analysis collected data from almost 13,000 patients undergoing PCI. The study included 7 randomized trials (2738 patients) and 30 observational studies (10,065 patients). Clinical outcomes consisted of myocardial infarction, death, target lesion revascularization (TLR) and majority of patients suffered from stable angina.

     

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    Most patients with diabetes have little information on the effect of fruit on their blood sugar. The advice that fruits should be consumed sparingly has been promulgated for decades. There is however evidence that fruits do not only do not necessarily raise blood sugar but paradoxically reduces complications of diabetes and actually cut down mortality.

     

    There are currently more than 400 million patients of diabetes, with a large chunk of them in India. India is the second largest producer of fruits in the world (China being the first). India grows about 40% of the world’s mangoes and papaya, and 25% of bananas. A portion of fruit contains 15-20 g of carbohydrate, while a can of Coca Cola or a medium slice of chocolate cake has 35g of carbohydrate. The sugar in fruit however is metabolically very different from refined sugar added to a cola or cake.

     

    PLOS MEDICINE APRIL 2017

    PLOS MEDICINE APRIL 2017

     

    A mammoth Chinese study including 5 lakh people has concluded that eating fruit reduces development of diabetes by a significant 12% in people who did not have diabetes to begin with. The investigators also report that regular consumption of fruit in patients with diabetes resulted in significant lowering of mortality and complications of diabetes. The researchers conclude that their large epidemiological study in Chinese adults demonstrates higher fresh fruit consumption was associated significantly lower risk of diabetes and among diabetic individuals lower risks of death and development of major vascular complications.

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    The bioresorbable Absorb scaffold considered the holy grail of coronary intervention is now being pulled out from the commercial market in Europe. The stunning news is the culmination of sticky data emerging from recent randomized trials assessing the bioresorbable vascular scaffold (BRS), that have revealed that with this generation of BRS both efficacy and safety are questionable.

     

    The ABSORB II trial reported a significantly higher rate of target vessel myocardial infarction last year. The ABSORB III trial further dampened enthusiasm by showing significant increase in target lesion failure. The last randomized trial to be published was actually terminated early because of increased stent thrombosis including late stent (BRS) thrombosis.

     

    The AIDA (Amsterdam Investigator Initiated Absorb Strategy All Comers Trial) investigators randomly assigned 1845 patients to either receive a BRS (924 patients) or a metallic stent (921). Median follow up was 707 days. Target vessel failure (a composite of cardiac death, target vessel MI, or target vessel revascularization) occurred in 105 patients with BRS and in 94 patients in the stent group. Target vessel MI occurred in 48 patients in the BRS group but in only 30 provided metallic stents. Definite or probable stent thrombosis occurred in 31 patients in the scaffold group as compared with 8 patients in the stent group (3.5% vs. 0.9%; p<0.001). This was a single blind, multicenter, investigator initiated non-inferiority trial.

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    I was taught right from my medical college undergraduate days that eating saturated fat was asking for trouble. Meat (red or white), cheese, butter and egg yolk were, for all practical purposes, proscribed. Repeated guidelines from the American Heart Association (AHA), American College of Cardiology and even the World Health Organization were clear that fats in general and saturated fats in particular were to be strictly avoided in order to prevent a heart attack. The message was to reduce fats to less than 30% of total calories consumed in a day with saturated fats to be kept well below 10%. The entire planet followed the dietary commandment from the 2 most powerful and respected cardiology associations of the planet.

     

    The AHA declared way back in 1961 that saturated fats were bad because they increased blood cholesterol that in turn resulted in blockage of coronary arteries and heart attacks. The AHA astonishingly came to this conclusion based upon a hypothesis of one physiologist without a shred of hard evidence. Ancel Benjamin Keys, a physiologist who earned a PHD degree from Cambridge, was that single person who was able to stamp his Diet Heart Hypothesis into the consciousness of Dr Paul Dudley White who was a founder member of the AHA. Paul White was moreover looking after president Dwight Eisenhower who suffered his first heart attack in September 1955. Many middle aged Americans were succumbing to heart attacks in the 1950’s and the situation demanded answers from the health community of those times. Eisenhower had been the Supreme Commander of NATO and before that was the Supreme Commander of the allied forces that wrenched back Europe from the Germans in World War II. He had among other tasks to manage the brilliant generals George Patton and Bernard Montgomery. Eisenhower famously warned the American public in his farewell address from the “military-industrial complex”. President Eisenhower had no clue of the rapidly developing “health-pharmaceutical –industrial complex.”

     

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    Dwight David ‘Ike’ Eisenhower (34 th president of the United States)

     

    Keys was able to launch his Diet Heart Hypothesis because there was little science available in the 1950’s that could explain the near epidemic of heart attack in middle-aged Americans. Keys presented his “Seven Countries Study” that displayed a clear association between eating greater amounts of saturated fats and deaths due to heart disease. The seven countries included USA, Japan, Yugoslavia, Netherlands, Italy, Greece, and Finland. There were however severe flaws in the methodology of his paper. Keys even managed to land on the cover of TIME magazine for his humongous contribution to science.

     

     

     

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    COLOR ENHANCED CORONAL SECTION OF BRAIN SHOWING BOTH AMYGDALAE

    COLOR ENHANCED CORONAL (FRONTAL)  VIEW OF BRAIN SHOWING BOTH AMYGDALAE (RED).

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    The association between mental stress and heart disease, which was for long speculated but never proven has final been nailed to a large extent by a study, published in the Lancet this year. The researchers from Harvard Medical School report that heightened activity in the amygdala, which processes emotions such as anger and fear, plays a major role in development of atherosclerosis.

     

    The amygdalae (there are 2 of them on either side of the brain) prepare us for reacting to strong emotional stimuli. The amygdala is responsible to responses to both pleasure and fear. Amygdala means almond in Latin and the term was first used in 1819.

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    The scientific community is undoubtedly guilty of sending erratic and confusing messages on dietary prevention of heart disease. The public has been informed that eggs are bad, then that they are good, and currently they are considered neutral. Fats were taught to be bad, but now the public is informed that some fats are good (omega-3 and omega-6 polyunsaturated fats), that animal data are neutral while trans fats are awful.

     

    Despite repeated advice over the years by nutrition and health experts less than 0.5% of countries consume optimal fruits (300g a day) and vegetables (400 g a day) a day. More than 80% of countries consume more than the recommended red meat prescription of 100g per week.

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    Atrial fibrillation (AF) is the commonest arrhythmia carrying the burden of cerebral embolus (CE), systemic embolus (SE) and aggravation of heart failure (HF). The risk of emboli is increased in persona with risk factors detailed by CHADS-VASc (Congestive heart failure, Hypertension, Age more than 75 years, Diabetes, Stroke, Vascular disease, Age between 65 and 74 Years, Sex category) score of 2 or more.

     

    Traditionally the risk of embolism with subsequent morbidity and mortality has been managed by Warfarin, a vitamin K antagonist (VKA). Warfarin has always plagued treating physicians with a narrow therapeutic index, drug interactions, and need for repeated monitoring of efficacy by the International Normalized Ratio (INR). The ROCKET AF trial reported that only 55% of patients in the warfarin arm were in the INR therapeutic range.

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    Repeat coronary revascularization has always been found to be increased by routine follow up coronary angiography (FUCAG) in randomized trials done in the era of balloon angioplasty and percutaneous coronary intervention (PCI) with bare metal stents. But there was never any reduction in major clinical events. Myocardial infarction was reduced with angiographic follow up (AF) than with clinical follow up (CF) in BAAS (Balloon Angioplasty and Anticoagulation Study) and TAXUS –IV trials. Previous studies included low risk patients and hence impact of FUCAG in high-risk patients was unclear.

     

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    Treatment of high blood pressure reduces mortality, heart failure and heart attacks. The American Association of Physicians recently stated in their guidelines on treatment of hypertension in people over 60 years that it was enough to bring down blood pressure below 150 mm Hg to reduce risk of death, stroke and cardiac events. If a 60 year old has had a stroke or TIA then the target should be below 140 mm Hg to prevent another stroke, similarly in a patient with diabetes, metabolic syndrome or chronic kidney disease the target should be below 140 mm Hg.

     

    All guidelines advocate lowering of high cholesterol and low-density lipoprotein (LDL) to reduce cardiac events, stroke and mortality. Numerous randomized trials have concluded that lowering LDL levels are beneficial for clinical outcomes.

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    It does not necessarily mean that if both your parents or a parent died of a heart attack in their forties you too are going to suffer one. Researchers have identified about 50 genes associated with heart disease. But even if you carry all the 50 genes you can still substantially reduce your risk of a heart attack by employing simple life style measures. Healthy life style behaviour that includes not smoking, not acquiring too much weight, moderate exercise and eating healthy food is terrific strategy to improve cardiovascular health in the general population.

     

    A recent study (NEJM 2016; 375:2349) analyzed data for participants in 3 prospective cohort trials and one cross-sectional study to test the theory that life style modification despite high-risk genes can cut down rates of a heart attack.

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    ELIUD KIPCHOGE; MARATHON GOLD MEDALIST IN RIO OLYMPICS 2016

    ELIUD KIPCHOGE; MARATHON GOLD MEDALIST IN RIO OLYMPICS 2016

     

    In the din of demonetization with its befuddling changing goal posts the dropping dead on a morning run of one of the leading gynecologists’ of Mumbai went largely unnoticed. True to form, the print and electronic media hardly raised a whisper on why a middle aged man who had numerous marathons under his belt and who regularly ran 10 kilometers every morning collapse and die whilst happily engaged in his morning run? There have been of course equally if not more serious issues to be dilated upon, ranging from lakhs of workers being waylaid and scores of people perishing while waiting their turn to draw their own money from the bank or an ATM machine. No serious commentary has emerged on the tantalizing reasons for the untimely death of a seemingly superbly fit leading gynecologist.

     

    Physicians have for decades advised exercise as the best antidote for prevention of ill health, apart from statins, ACE inhibitors and beta-blockers. The Potsdam study unequivocally demonstrated that a healthy life consisting of moderate exercise and decent diet substantially cut down development of heart attack, stroke, diabetes and even cancer. Marathon running was considered by researchers to be the best immunization against atherosclerosis.

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    Dual antiplatelet therapy (DAPT) is considered standard treatment after percutaneous coronary intervention (PCI) accompanied by stent deployment. The optimal duration of DAPT after a drug eluting stent (DES) remains controversial. Six months of DAPT is the minimum duration recommended by all professional cardiology guidelines with a DES implantation.

     

    Diabetes is associated with increased platelet and thrombin reactivity and decreased response to treatment. Diabetes is well known to trigger atherosclerosis and restenosis after PCI. It is unclear whether diabetes mandates a different protocol in DAPT duration. It has been suggested that patients with diabetes may require prolonged DAPT.

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    Current guidelines on treating patients with non-ST segment elevation myocardial infarction ( NSTEMI) recommend an invasive strategy because this reduces the risk of death and myocardial infarction ( MI) compared with a conservative or selectively invasive approach. The timing of the invasive strategy still remains controversial. The current European Society of Cardiology guidelines are based on old trials and a meta analysis published in 2013. The TIMACS trial including more than 3000 patients has been the largest trial on the subject to date. The study was stopped prematurely because of difficulty in enrolment and it did not meet its primary endpoint.

     

    A meta analysis conducted in 2013 that included randomized and observational trials, comparing early invasive with delayed invasive strategies recorded nonsignificant reduction in mortality in the early invasive strategy group in the randomized trials and significant reduction in mortality in the observational data. There was however an increased rate of myocardial infarction in the early strategy group which was not significant.

     

    The most recent meta analysis has added 3 more randomized studies to previous studies in order to better determine timing of intervention in NSTEMI. The median time between randomisation and angiography ranged from 0.5 to 14 hours in the early group, and from 18 to 86 hours in the delayed group. The researchers found in their meta analysis of 10 randomized trials that an early invasive strategy did not result in mortality benefit compared to a delayed approach. It is unlikely that a small delay in intervention would result in increased deaths in patients with NSTEMI ( J Am Coll Cardiol Intv 2016;9:2267-2276).

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