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We present a case of a male patient with chronic renal insufficiency, due to crescentic glomerulonephritis with IgA deposits, who successively developed (idiopathic) thrombocytopenic purpura (ITP) and MPO-ANCA microscopic polyangiitis (MPA) with pulmonary fibrosis. The patient presented with cough, weight loss, and dyspnea on exertion. CT imaging and pulmonary function tests were compatible with interstitial pneumonitis with pulmonary fibrosis. Laboratory results showed high MPO-ANCA titers; the urinary sediment was bland. The patient was treated successfully with cyclophosphamide and methyl-prednisolone. This unique case illustrates the diagnostic and therapeutic challenges of an unusual presentation of microscopic polyangiitis presenting first as isolated kidney disease with recurrence in the form of pneumonitis without renal involvement, in association with renal IgA deposits and ITP as coexisting autoimmune conditions. [ABSTRACT FROM AUTHOR]

Hypertension is a major risk factor for cardiovascular disease, which is the leading cause of death in women. Aim. To evaluate blood pressure control, prevalence of concomitant cardiovascular risk factors, subclinical and clinical organ damage, and treatment according to gender. Methods. 11,562 patients (49% women) from the cross-sectional I-inSyst survey in primary care were included. Results. Blood pressure control in women (21.8%) and men (21.2%) was similar, despite a slightly older age (64.9 vs 63 years, p<0.0001). Women had less concomitant cardiovascular risk factors and organ damage, with the exception of diabetes, cerebrovascular and renal disease, than men. They received more antihypertensive drugs than men (1.7 ±± 0.9 vs 1.5 ±± 0.9, p<0.0001). Diuretics were more (45% vs 36.5%, p<0.0001), calcium-channel blockers (26% vs 29%, p<0.003) and angiotensin-converting enzyme inhibitors (20% vs 22%, p<0.02) were less commonly prescribed in women than in men. Different clinical factors (i.e. age, duration of hypertension, smoking) in women and men were associated with blood pressure control, but gender itself was not. Conclusions. In this group of treated hypertensive patients, blood pressure control in women and men was not different. Women had a lower prevalence of most cardiovascular risk factors, subclinical and clinical organ damage. Antihypertensive drug treatment varied according to gender. [ABSTRACT FROM AUTHOR]

Background: Blood pressure (BP) control is far from optimal. Studies on factors influencing BP control in the elderly are limited, yet identification of factors contributing to the low rate of BP control is a prerequisite to improvement of clinical management. Objective: To evaluate the rate of BP control and the relationship between different clinical characteristics and BP control in treated hypertensive out- patients aged ⩾65 years. Methods: The PAPY-65 Survey was a prospective cross-sectional survey conducted in primary care in Belgium in 2007. Participating primary-care physicians were required to include consecutive hypertensive patients aged ⩾65 years and treated with antihypertensive drugs. Demographic and anthropometric data as well as data on cardiovascular risk factors and history were obtained. BP was measured in accordance with the European Society of Hypertension/European Society of Cardiology guidelines. Results: The mean±standard deviation (SD) age of the 1272 patients enrolled in the survey was 75 ± 7 years; 702 (55%) patients were women. The mean ± SD systolic/diastolic BP was 134/79±13/8mmHg. BP was normalized (reduced to <140/90mmHg, or <130/80mmHg in patients with diabetes mellitus) in 617 (48.5%) patients overall and in 88 (24%) patients with diabetes (n=371). The majority of patients (921; 72%) were treated with two or more antihypertensive drugs. Both general obesity (body mass index ⩾30 vs <25 kg/m2) and abdominal obesity were associated with lack of BP control (unadjusted odds ratio [OR] 2.988, 95% CI 2.200, 4.057 and OR 2.066, 95% CI 1.649, 2.588, respectively). Abdominal obesity was no longer related to BP control when adjusted for the presence of diabetes. Diabetes was strongly associated with lack of BP control only when a stringent definition of BP control (<130/80mmHg) was used. The combined presence of subclinical organ damage and a history of cardiovascular disease was associated with less uncontrolled BP (OR 0.62, 95% CI 0.48, 0.80). [ABSTRACT FROM AUTHOR]

Fibromuscular dysplasia (FMD) is an idiopathic, segmental, non‐atherosclerotic and non‐inflammatory disease of the musculature of arterial walls, leading to stenosis of small and medium‐sized arteries, mostly involving renal and cervical arteries. As a result of better and more systematic screening, it appears that involvement of the splanchnic vascular bed is more frequent than originally assumed. We review epidemiology, pathogenesis, clinical picture as well as diagnosis and treatment of visceral artery (VA) FMD. The clinical picture is very diverse, and diagnosis is based on CT‐, MR‐ or conventional catheter‐based angiography. Involvement of VAs generally occurs among patients with multi‐vessel FMD. Therefore, screening for VA FMD is advised especially in renal artery (RA) FMD and in case of aneurysms and/or dissections. Treatment depends on the clinical picture. However, the level of evidence is low, and much of the common practice is extrapolated from visceral atherosclerotic disease. [ABSTRACT FROM AUTHOR]

Introduction: Although renal stenting is the standard revascularization method for atherosclerotic renal artery stenosis (RAS) (FMD-RAS), stenting in fibromuscular dysplasia (FMD) RAS is usually limited to periprocedural complications of angioplasty and primary arterial dissection. The main aim of the study was to retrospectively analyze the immediate and long-term results of renal stenting versus angioplasty in patients with FMD. Methods: Of 343 patients in the ARCADIA-POL registry, 58 patients underwent percutaneous treatment due to FMD-RAS (in 70 arteries). Percutaneous transluminal renal angioplasty (PTRA) was performed as an initial treatment in 61 arteries (PTRA-group), whereas primary stenting was undertaken in nine arteries (stent-group). Stent-related complications were defined as: in-stent restenosis > 50% (ISR); stent fracture; under-expansion; or migration. Results: In the PTRA-group, the initial restenosis rate was 50.8%. A second procedure was then performed in 22 arteries: re-PTRA (12 arteries) or stenting (10 arteries). The incidence of recurrent restenosis after re-PTRA was 41.7%. Complications occurred in seven of 10 (70%) arteries secondarily treated by stenting: two with under-expansion and five with ISR. In the stent-group, stent under-expansion occurred in one case (11.1%) and ISR in three of nine stents (33.3%). In combined analysis of stented arteries, either primarily or secondarily, stent-related complications occurred in 11/19 stenting procedures (57.9%): three due to under-expansion and eight due to ISRs. Finally, despite several revascularization attempts, four of 19 (21%) stented arteries were totally occluded and one was significantly stenosed at follow-up imaging. Conclusion: Our study indicates that renal stenting in FMD-RAS may carry a high risk of late complications, including stent occlusion. Further observational data from large-scale registries are required. [ABSTRACT FROM AUTHOR]

The article focuses on the findings for chronic kidney disease (CKD) screenings during the World Kidney Day 2010. The screenings, which gathers information for blood pressure (BP) and glucose, history of diabetes and hypertension among passers-by subjects, reveals over weight, hypertension, and smoking as main developing factors for CKD, while noting that most people is unaware that they attribute such risks. Moreover, it suggests for systematic screenings on renal risk to lessen CKD.

Several forms of secondary hypertension carry a high risk of cardiac morbidity and mortality. Evaluation of cardiac phenotypes in secondary hypertension provides a unique opportunity to study underlying hormonal and biochemical mechanisms affecting the heart. We review the characteristics of cardiac dysfunction in different forms of secondary hypertension and clarify the mechanisms behind the higher prevalence of heart damage in these patients than in those with primary hypertension. Attention to the specific clinical/biochemical phenotypes of these conditions may assist clinicians to screen for and confirm secondary forms of hypertension. Thereby, early signs of heart damage can be recognized and monitored, allowing individualized treatment to delay or prevent evolution toward more advanced disease. [ABSTRACT FROM AUTHOR]

In patients with end-stage renal disease (ESRD) treated with haemodialysis or peritoneal dialysis, hypertension is common and often poorly controlled. Blood pressure (BP) recordings obtained before or after haemodialysis display a J- or U-shaped association with cardiovascular events and survival, but this most likely reflects the low accuracy of these measurements and the peculiar haemodynamic setting related to dialysis treatment. Elevated BP detected by home or ambulatory BP monitoring is clearly associated with shorter survival. Sodium and volume excess is the prominent mechanismof hypertension in dialysis patients, but other pathways, such as arterial stiffness, activation of the renin-angiotensin-aldosterone and sympathetic nervous systems, endothelial dysfunction, sleep apnoea and the use of erythropoietin-stimulating agents may also be involved. Nonpharmacologic interventions targeting sodium and volume excess are fundamental for hypertension control in this population. If BP remains elevated after appropriate treatment of sodium and volume excess, the use of antihypertensive agents is necessary. Drug treatment in the dialysis population should take into consideration the patient's comorbidities and specific characteristics of each agent, such as dialysability. This document is an overview of the diagnosis, epidemiology, pathogenesis and treatment of hypertension in patients on dialysis, aiming to offer the renal physician practical recommendations based on current knowledge and expert opinion and to highlight areas for future research. [ABSTRACT FROM AUTHOR]

Abstract: Achieving guideline-recommended blood pressure targets is difficult in older adults with hypertension. We completed a subgroup analysis of patients 65 years of age or older enrolled in PREVIEW, a prospective, multicenter, pharmacoepidemiological study of the determinants and outcomes of second-line antihypertensive treatment with valsartan in Belgium. Multilevel modeling was used to identify physician- and patient-level determinants of blood pressure values and practice guideline-derived definitions of blood pressure control. Data on 1560 patients and 504 physicians were used in this analysis. Blood pressure control rates for patients age 65 and over were lower for systolic (34.2% vs. 38.6%) and combined systolic/diastolic blood pressure (31.2% vs. 34.4%) compared to the entire PREVIEW sample. Twenty-seven percent of the variability in systolic, and 32% in diastolic pressure after 90 days of treatment were attributable to such variables as physicians’ knowledge and adherence to evidence-based guidelines, practice patterns, and experience; with the remaining variance attributable to various demographic, behavioral, and clinical patient-related factors. Several independent predictors of uncontrolled blood pressure after 90 days of treatment were identified, largely confirming factors identified as determinants of blood pressure values. Recommendations for managing hypertension in the elderly are made in view of these findings. [Copyright &y& Elsevier]

Abstract: Objectives: To investigate the feasibility of implementing quantitative T1-perfusion in the routine MRA-protocol and to obtain a first experience in normals and pathology. Materials and methods: For perfusion imaging, IR-prepared FLASH (one 4mm slice at mid-renal level, TR 4.4ms, TE 2.2ms, TI 180ms, FA 50°, matrix 128×256, bandwidth per pixel 300, 400 dynamics, temporal resolution 0.3s, total measurement time 2min) was applied during the injection of 10ml of standard 0.5mmol/ml Gadolinium-DTPA solution at 2ml/s, followed by 3DCE-MRA with bolus tracking (TR 5.4, TE 1.4, FA 40°, matrix 192×512, NSA 1, slice thickness 1.5mm), using a second dose of 0.1mmol Gadolinium-DTPA per kg body weight with a maximum of 20ml. The T1-weighted signals (perfusion data) were converted to tissue tracer concentrations and deconvolved with an inflow corrected AIF; blood flow, distribution volume, mean transit time and blood flow heterogeneity were derived. Results: MRA quality was uncompromised by the first bolus administered for perfusion purposes. In the normals, average cortical RBF, RVD and MTT were 1.2ml/min/ml (S.D. 0.3ml/min/ml), 0.4ml/ml (S.D. 0.1ml/ml) and 21s (S.D. 4s). These RBF values are lower than those found in the literature, probably due to residual AIF inflow effects. The sensitivity of the technique was sufficient to demonstrate altered perfusion in the examples of pathology. Conclusion: Combined quantitative T1-perfusion and MRA have a potential for noninvasive renovascular screening and may provide an anatomical and physiological evaluation of renal status. [Copyright &y& Elsevier]

Abstract: Acute interstitial nephritis (AIN) is a common cause of acute renal failure. We report a case of AIN, confirmed by renal biopsy, that developed in a patient with typhoid fever due to a Salmonella hadar infection. AIN secondary to Salmonella infection is a rare complication that has only been described twice in the literature. Salmonella should be added to the list of possible causes of AIN. [Copyright &y& Elsevier]

Background: It is uncertain whether ambulatory blood-pressure measurements recorded for 24 hours in patients with treated hypertension predict cardiovascular events independently of blood-pressure measurements obtained in the physician's office and other cardiovascular risk factors. Methods: We assessed the association between base-line ambulatory blood pressures in treated patients and subsequent cardiovascular events among 1963 patients with a median follow-up of 5 years (range, 1 to 66 months). Results: We documented new cardiovascular events in 157 patients. In a Cox proportional-hazards model with adjustment for age, sex, smoking status, presence or absence of diabetes mellitus, serum cholesterol concentration, body-mass index, use or nonuse of lipid-lowering drugs, and presence or absence of a history of cardiovascular events, as well as blood pressure measured at the physician's office, higher mean values for 24-hour ambulatory systolic and diastolic blood pressure were independent risk factors for new cardiovascular events. The adjusted relative risk of cardiovascular events associated with a 1-SD increment in blood pressure was 1.34 (95 percent confidence interval, 1.11 to 1.62) for 24-hour ambulatory systolic blood pressure, 1.30 (95 percent confidence interval, 1.08 to 1.58) for ambulatory systolic blood pressure during the daytime, and 1.27 (95 percent confidence interval, 1.07 to 1.57) for ambulatory systolic blood pressure during the nighttime. For ambulatory diastolic blood pressure, the corresponding relative risks of cardiovascular events associated with a 1-SD increment were 1.21 (95 percent confidence interval, 1.01 to 1.46), 1.24 (95 percent confidence interval, 1.03 to 1.49), and 1.18 (95 percent confidence interval, 0.98 to 1.40). Conclusions: In patients with treated hypertension, a higher ambulatory systolic or diastolic blood pressure predicts cardiovascular events even after adjustment for classic risk factors including office measurements of blood pressure. N Engl J Med 2003;348:2407-15. [ABSTRACT FROM AUTHOR]