Use of ACE inhibitors or ARBs in people with CKD reduces the risk for kidney failure and cardiovascular events. ACE inhibitors also reduced the risk for all-cause mortality and were possibly superior to ARBs for kidney failure, cardiovascular death, and all-cause mortality in patients with CKD, suggesting that they could be the first choice for treatment in this population.
BackgroundPresently, the matter of pregnancy outcomes of patients with pregnancy related AKI (PR-AKI) were disputed. Thus, we conducted a meta-analysis to evaluate the impact of PR-AKI on pregnancy outcomes.MethodWe systematically searched MEDLINE, Embase, VIP, CNKI and Wanfang Databases for cohort or case-control studies in women with PR-AKI and those without AKI as a control group to assess the influence of PR-AKI on pregnancy outcomes and kidney outcome. Reduction of odd ratio (OR) was calculated by a random-effects model.ResultsOne thousand one hundred fifty two articles were systematically reviewed, of those 11 studies were included, providing data of 845 pregnancies in 834 women with PR-AKI and 5387 pregnancies in 5334 women without AKI. In terms of maternal outcomes, women with PR-AKI had a greater likelihood of cesarean delivery (OR, 1.49; 95% confidence interval [CI], 1.37 to 1.61), hemorrhage (1.26; 1.02 to 1.56), HELLP syndrome (1.86; 1.41 to 2.46), placental abruption (3.13; 1.96 to 5.02), DIC (3.41; 2.00 to 5.84), maternal death (4.50; 2.73 to 7.43), but had a lower risk of eclampsia (0.53; 0.34 to 0.83). Women with PR-AKI also had a longer stay in ICU (weighted mean difference, 2.13 day [95% CI 1.43 to 2.83 day]) compared with those without PR-AKI. As for fetal outcomes, higher incidence of stillbirth/perinatal death (3.39, 2.76 to 4.18), lower mean gestational age at delivery (−0.70 week [95% CI -1.21 to −0.19 week]) and lower birth weight (−740 g [95% CI -1180 to 310 g]) were observed in women with PR-AKI. The occurrence of kidney outcome, defined as ESRD requiring dialysis, in women with PR-AKI was 2.4% (95% CI 1.3% to 4.2%).ConclusionsPR-AKI remains a grave complication and has been associated with increased maternal and fetal mortality.Electronic supplementary materialThe online version of this article (doi:10.1186/s12884-017-1402-9) contains supplementary material, which is available to authorized users.
Background The advantages of angiotensin-converting enzyme inhibitors (ACEIs) or angiotensin II receptor blockers (ARBs) in reducing risk of cardiovascular events (CVEs) and delaying end-stage kidney disease (ESKD) in patients with chronic kidney disease (CKD) is well-known. However, the efficacy and safety of these agents in non-dialysis CKD stages 3-5 patients are still a controversial issue. Methods Two investigators (Yaru Zhang and Dandan He) independently searched and identified relevant studies from MED-LINE (from 1950 to October 2018), EMBASE (from 1970 to October 2018), and the Cochrane Library database. Randomised clinical trials in non-dialysis CKD3-5 patients treated with renin-angiotensin system (RAS) inhibitors were included. We used standard criteria (Cochrane risk of bias tool) to assess the inherent risk of bias of trials. We calculated the odds ratio (OR) and 95% confidence interval (CI) for each outcome by random-effects model. A 2-sided p value < 0.05 was considered statistically significant, and all statistical analyses were performed using STATA, version 15.0. This network meta-analysis was undertaken by the frequency model. Results Forty-four randomised clinical trials with 42,319 patients were included in our network meta-analysis. ACEIs monotherapy significantly decreased the odds of kidney events (OR 0.54, 95% CI 0.41-0.73), cardiovascular events (OR 0.73, 95% CI 0.64-0.84), cardiovascular death (OR 0.73, 95% CI 0.63-0.86) and all-cause death (OR 0.77, 95% CI 0.66-0.91) when compared to placebo. According to the cumulative ranking area (SUCRA), ACEI monotherapy had the highest probabilities of their protective effects on outcomes of kidney events (SUCRA 93.3%), cardiovascular events (SUCRA 77.2%), cardiovascular death (SUCRA 86%), and all-cause death (SUCRA 94.1%), even if there were no significant differences between ACEIs and other antihypertensive drugs, including calcium channel blockers (CCBs), β-blockers and diuretics on above outcomes except for kidney events. ARB monotherapy and combination therapy of an ACEI plus an ARB showed no more advantage than CCBs, β-blockers and diuretics in all primary outcomes. In the subgroup of non-dialysis diabetic kidney disease patients, no drugs, including ACEIs or ARBs, significantly lowered the odds of cardiovascular events and all-cause death. However, ACEIs were still better than other antihypertensive drugs including ARBs in all-cause death but not ARBs in cardiovascular events according to the SUCRA. Only ARBs had significant differences in preventing the occurrence of kidney events compared with placebo (OR 0.82, 95% CI 0.72-0.95). Both ACEI/ARB monotherapy and combination therapy had higher odds of hyperkalaemia. ACEIs had 3.81 times higher odds than CCBs (95% CI 1.58-9.20), ARBs had 2.08-5.10 times higher odds than placebo and CCBs and combination therapy of an ACEI and an ARB had 4.80-24.5 times higher odds than all other treatments. Compared with placebo, CCBs and β blockers, ACEI therapy significantly increased Yaru Zhang and Dandan He...
BackgroundThe role of angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) reducing risk of cardiovascular events (CVEs) and preserving kidney function in patients with chronic kidney disease is well-documented. However, the efficacy and safety of these agents in dialysis patients is still a controversial issue.MethodsWe systematically searched MEDLINE, Embase, Cochrane Library and Wanfang for randomized trials. The relative risk (RR) reductions were calculated with a random-effects model. Major cardiovascular events, changes in GFR and drug-related adverse events were analyzed.ResultsEleven trials included 1856 participants who were receiving dialysis therapy. Compared with placebo or other active agents groups, ARB therapy reduced the risk of heart failure events by 33% (RR 0.67, 95% CI 0.47 to 0.93) with similar decrement in blood pressure in dialysis patients. Indirect comparison suggested that fewer cardiovascular events happened during treatment with ARB (0.77, 0.63 to 0.94). The results indicated no significant differences between the two treatment regimens with regard to frequency of myocardial infarction (1.0, 0.45 to 2.22), stroke (1.16, 0.69 to 1.96), cardiovascular death (0.89, 0.64 to 1.26) and all-cause mortality (0.94, 0.75 to 1.17). Five studies reported the renoprotective effect and revealed that ACEI/ARB therapy significantly slowed the rate of decline in both residual renal function (MD 0.93 mL/min/1.73 m2, 0.38 to 1.47 mL/min/1.73 m2) and urine volume (MD 167 ml, 95% CI 21 ml to 357 ml). No difference in drug-related adverse events was observed in both treatment groups.ConclusionsThis study demonstrates that ACE-Is/ARBs therapy decreases the loss of residual renal function, mainly for patients with peritoneal dialysis. Overall, ACE-Is and ARBs do not reduce cardiovascular events in dialysis patients, however, treatment with ARB seems to reduce cardiovascular events including heart failure. ACE-Is and ARBs do not induce an extra risk of side effects.Electronic supplementary materialThe online version of this article (doi:10.1186/s12882-017-0605-7) contains supplementary material, which is available to authorized users.
Background and objectives Current therapy for IgA nephropathy mainly includes renin-angiotensin system inhibitors and adding steroids for patients with persistent proteinuria. This study aimed to evaluate kidney disease progression and its risk factors in a Chinese cohort under current therapy.Design, setting, participants, & measurements Patients with IgA nephropathy followed up for at least 12 months from a prospective database were involved. Renal survival and the relationship between clinical parameters and composite kidney failure events (defined as end stage kidney failure or eGFR halving) were assessed.Results Overall, 703 patients between 2003 and 2011 were enrolled in this study, with a mean follow-up time of 45 months. Mean eGFR was 84.0 ml/min per 1.73 m 2 , systolic BP was 124 mmHg, and time-averaged mean arterial pressure was 90.0 mmHg. Median proteinuria at baseline was 1.60 g/d, and time-averaged proteinuria was 0.80 g/d. The mean rate of eGFR decline was 23.12 ml/min per 1.73 m 2 per year (95% confidence interval, 219.07 to 11.80), and annual end stage kidney failure rate was 2.3%. Multivariate Cox regression analyses revealed that baseline eGFR (hazard ratio, 0.76 per 10 ml/min per 1.73 m 2 ; 95% confidence interval, 0.66 to 0.91), proteinuria at 6 months (hazard ratio, 1.53 per g/d; 95% confidence interval, 1.27 to 1.84), and systolic BP control at 6 months (hazard ratio, 1.36 per 10 mmHg; 95% confidence interval, 1.05 to 1.77) were associated with composite kidney failure events. Baseline eGFR (regression coefficient, 20.06; 95% confidence interval, 20.07 to 20.04), time-averaged proteinuria (regression coefficient, 20.21; 95% confidence interval, 20.25 to 20.16), and time-averaged mean arterial pressure (regression coefficient, 20.15; 95% confidence interval, 20.21 to 20.09) were independent predictors of the slope of eGFR by linear regression.Conclusion Lower proteinuria and lower BP were associated with slower eGFR decline and lower risk of end stage kidney failure in patients currently being treated for IgA nephropathy.
Background: The outcomes of pregnancy in immunoglobulin A nephropathy (IgAN) remain controversial. We sought to evaluate the effect of pregnancy on the progression of IgAN as well as the impact of IgAN on pregnancy outcomes. Methods: We systematically searched MEDLINE, Embase for cohort or case-control studies. OR reductions were calculated with a random-effects model, and kidney outcomes and adverse pregnancy events were analyzed. Results: Our literature search returned 652 relevant articles; 4 studies were included, providing data of 376 pregnancies in 273 patients with IgAN and that of 241 IgAN who did not become pregnant. Four hundred sixty seven patients with chronic kidney disease stages 1-2 were included. Pregnancy in patients with IgAN did not increase the risk of adverse renal events including doubling of serum creatinine, 50% decline in glomerular filtration rate (GFR) and end-stage kidney disease (OR 0.97, 95% CI 0.55-1.70; p = 0.90; I2 = 0.0%, p = 0.79). There was no significant difference in the change in estimated GFR at the end of follow-up in the pregnant and non-pregnant groups (weighted mean difference 0.1 ml/min/1.73 m2 (95% CI -4.85 to 5.04 ml/min/1.73 m2), p = 0.97; I2 = 0%, p = 0.95). Women with IgAN had high rates of infant loss (12.2, 7.4-19.4%), preterm delivery (8.5, 5.9-12.1%), low birth weight (9.5, 6.7-13.3%), and preeclampsia/severe preeclampsia (7.3, 4.9-10.6%). Conclusions: Pregnancy in IgAN patients with preserved kidney function did not accelerate deterioration of renal function. But pregnant women with IgAN are at higher risk of pregnancy complications.
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