PubMed · 13828979
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R P GRANT. 1959. Peri-infarction block.. https://doi.org/10.1016/s0033-0620(59)80004-9
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BACKGROUND: There is considerable evidence that statins can reduce cardiovascular events. Currently high-risk patients are treated to a target cholesterol concentration. An alternative prescribing strategy (the 'fire-and-forget' approach) would instead deploy low-dose statins more widely. It has been suggested that for the same cost this approach might prevent more cardiovascular events. We have compared the treat-to-target and fire-and-forget statin prescribing strategies with respect to adherence and cardiovascular outcomes. METHODS: We used a population-based record-linkage database containing several data sets linked by a unique patient identifier. We identified two cohorts of patients. Patients in the treat-to-target cohort were prescribed a statin, and subsequent measurement of their cholesterol was followed by upward titration of their statin dose if necessary. Patients in the fire-and-forget cohort were prescribed a statin, but no further cholesterol measurement was observed during the follow-up period. FINDINGS: Adherence to statin treatment in patients treated to target was significantly better than in patients treated on a fire-and-forget basis (adjusted odds ratio 2.51, 95%CI 2.26-2.78). We found a lower cardiovascular disease (CVD) event rate in patients treated to target than in fire-and-forget patients (hazard ratio of CVD or cardiovascular death 0.41 (0.35-0.48) even after adjustment was made for adherence and baseline CVD risk). INTERPRETATION: Our findings suggest that adherence to statins is worse in patients treated on a fire-and-forget basis than in patients treated to a target cholesterol concentration, and that this prescribing strategy is associated with worse cardiovascular outcomes.
Although lowering low-density lipoprotein (LDL) cholesterol with statins can substantially reduce cardiovascular morbidity and mortality, many treated patients retain a residual risk for cardiovascular events. Low levels of high-density lipoprotein (HDL) cholesterol may underpin this residual risk and may represent an additional target for intervention. Several new therapies for substantially increasing HDL cholesterol levels are under investigation, including cholesteryl ester transfer protein (CETP) inhibitors, apolipoprotein A-I mimetics and recombinant HDL, liver X receptor (LXR) agonists, and peroxisome proliferator-activated receptor (PPAR) agonists. Combining new HDL cholesterol-elevating agents with existing LDL cholesterol-lowering agents may improve the cardiovascular risk reductions currently attainable.
Vascular diseases are not encountered very often in gastroenterology, though in cases of ischemic colitis a coronary heart disease is often present. In addition, heart diseases such as coronary heart disease, atrial fibrillation, and congestive heart failure are important risk factors for ischemic colitis and should be treated to avoid further ischemic episodes of the gut. The most common extraintestinal manifestations of Crohn's disease and ulcerative colitis are observed in the eye, on the skin, and in the liver region. Involvement of the cardiovascular system does not seem to be very common, though systematic epidemiological data on the significance of these extraintestinal complications--which certainly influence the prognosis--are lacking. Other patients with Crohn's disease or ulcerative colitis suffer from vasculitis, which reflects a further manifestation of inflammatory diseases affecting the cardiovascular system. Another important complication is activation of coagulationfactors, especially during active flare-up of intestinal disease; this can result in thromboembolic events. Systematic studies or investigations on the epidemiology of cardiovascular complications are still lacking, so that an overview of the published data is given. Metastatic tumors of the heart are rare, but there are case reports of cardiac metastases in patients with carcinomas of the colon. Carcinoid heart syndrome, another cardial complication of malignant disease, can prejudice the prognosis of patients with neuroendocrine tumors of the gastrointestinal tract.