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 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Aberrant blood vessel functioning and systemic circulation are key causes for vascular disorders; cardiovascular, cerebrovascular, renal artery stenosis, and peripheral artery diseases. Epidemiological and basic science evidence supported genetic reasons, compounded by obesity, hypercholesterolemia, hypertension, diabetes, and smoking as risk factors. This is an umbrella review of risk factors and therapies in vascular disorders, exploring systematic reviews and meta-analyses studies in PubMed, Cochrane, Embase, and Central published in January 2000-May 2018. We made qualitative eligibility gradation of the articles based on inclusion criteria, and independently extracted descriptive and methodologic data to compile their outcomes. We considered 95% confidence interval and the between-study heterogeneity, designated by I 2 . Overall, we extracted 217 studies of impressive quality and at low risk of bias, including 124, 30, 23, 32, and 8, respectively, for the search terms "cardiovascular," "renal," "cerebral," and "limb ischemia" each in combination with "risk factors" and "therapeutics." Our search on genome-wide analyses revealed genes associated with HDL-cholesterol, matrix metalloproteases, angiogenesis, notch3, renin-angiotensin, apolipoprotein E, insulin, and cytokine levels as critical participants in the pathogenesis of vascular diseases. Hypertension and endothelial growth factor-linked polymorphisms were found to contribute to vascular damage. The studies reinforced that lifestyle and dietary patterns influenced susceptibility of circulatory system diseases. Additionally, endovascular medicines, surgical vascularization, angioplasty, and renal artery stenting appeared as major therapeutic approaches in vascular patients. Altogether, our review offers up-to-date information on pathophysiology of vascular diseases and provides insight into existing research, clinical management and clinical gaps in the field.
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PMID:Risk factors and therapies in vascular diseases: An umbrella review of updated systematic reviews and meta-analyses. 3031 27

Hypertension is one of the most common cardiovascular co-morbidities after successful kidney transplantation. It commonly occurs in patients with other metabolic diseases, such as diabetes mellitus, hyperlipidemia, and obesity. The pathogenesis of post-transplant hypertension is complex and is a result of the interplay between immunological and non-immunological factors. Post-transplant hypertension can be divided into immediate, early, and late post-transplant periods. This classification can help clinicians determine the etiology and provide the appropriate management for these complex patients. Volume overload from intravenous fluid administration is common during the immediate post-transplant period and commonly contributes to hypertension seen early after transplantation. Immunosuppressive medications and donor kidneys are associated with post-transplant hypertension occurring at any time point after transplantation. Transplant renal artery stenosis (TRAS) and obstructive sleep apnea (OSA) are recognized but common and treatable causes of resistant hypertension post-transplantation. During late post-transplant period, chronic renal allograft dysfunction becomes an additional cause of hypertension. As these patients develop more substantial chronic kidney disease affecting their allografts, fibroblast growth factor 23 (FGF23) increases and is associated with increased cardiovascular and all-cause mortality in kidney transplant recipients. The exact relationship between increased FGF23 and post-transplant hypertension remains poorly understood. Blood pressure (BP) targets and management involve both non-pharmacologic and pharmacologic treatment and should be individualized. Until strong evidence in the kidney transplant population exists, a BP of <130/80 mmHg is a reasonable target. Similar to complete renal denervation in non-transplant patients, bilateral native nephrectomy is another treatment option for resistant post-transplant hypertension. Native renal denervation offers promising outcomes for controlling resistant hypertension with no significant procedure-related complications. This review addresses the epidemiology, pathogenesis, and specific etiologies of post-transplant hypertension including TRAS, calcineurin inhibitor effects, OSA, and failed native kidney. The cardiovascular and survival outcomes related to post-transplant hypertension and the utility of 24-h blood pressure monitoring will be briefly discussed. Antihypertensive medications and their mechanism of actions relevant to kidney transplantation will be highlighted. A summary of guidelines from different professional societies for BP targets and antihypertensive medications as well as non-pharmacological interventions, including bilateral native nephrectomy and native renal denervation, will be reviewed.
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PMID:Approach and Management of Hypertension After Kidney Transplantation. 3261 1


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