Pre- and Postdialysis Uric Acid Difference and Risk of Long-Term All-Cause and Cardiovascular Mortalities in Japanese Hemodialysis Patients; Miyazaki Dialysis Cohort Study

2019 ◽  
Vol 47 (Suppl. 2) ◽  
pp. 50-55 ◽  
Author(s):  
Tatsunori Toida ◽  
Yuji Sato ◽  
Hiroyuki Komatsu ◽  
Kazuo Kitamura ◽  
Shouichi Fujimoto

Background/Aims: Uric acid (UA) levels are affected by changes in dialysis; however, the relationship between the pre- and postdialysis UA difference (UAD) and mortality remains unclear. Methods: A total of 1,073 patients receiving maintenance hemodialysis (HD) were enrolled in this cohort study and followed up for 5 years. Patients were divided into quartile categories according to baseline UAD. Cox’s regression analyses were used to investigate the relationship between UAD categories and all-cause and cardiovascular (CV) mortalities while adjusting for potential confounders. Results: A total of 280 patients died of all causes, including 121 CV deaths, during the follow-up. In the analysis for all-cause mortality, hazard ratios were significantly higher in the lowest UAD group (< 4.7 mg/dL) than in the highest UAD group (> 6.2 mg/dL). A correlation was not observed with CV mortality. Conclusion: UAD correlated with all-cause mortality. UAD may be the most appropriate reference for controlling UA in HD patients.

Author(s):  
Taku Inoue ◽  
Mitsuteru Matsuoka ◽  
Tetsuji Shinjo ◽  
Masahiro Tamashiro ◽  
Kageyuki Oba ◽  
...  

AbstractAntihypertensive therapy is pivotal for reducing cardiovascular events. The 2019 Guidelines for the Management of Hypertension set a target blood pressure (BP) of <140/90 mmHg for persons older than 75 years of age. Optimal BP levels for older persons with frailty, however, are controversial because evidence for the relationship between BP level and prognosis by frailty status is limited. Here, we evaluated the relationship between systolic BP and frailty status with all-cause mortality in ambulatory older hypertensive patients using data from the Nambu Cohort study. A total of 535 patients (age 78 [70–84] years, 51% men, 37% with frailty) were prospectively followed for a mean duration of 41 (34–43) months. During the follow-up period, 49 patients died. Mortality rates stratified by systolic BP and frailty status were lowest in patients with systolic BP < 140 mmHg and non-frailty, followed by those with systolic BP ≥ 140 mmHg and non-frailty. Patients with frailty had the highest mortality regardless of the BP level. The adjusted hazard ratios (95% confidence intervals) of each category for all-cause mortality were as follows: ≥140 mmHg/Non-frailty 3.19 (1.12–11.40), <140 mmHg/Frailty 4.72 (1.67–16.90), and ≥140 mmHg/Frailty 3.56 (1.16–13.40) compared with <140 mmHg/Non-frailty as a reference. These results indicated that frail patients have a poor prognosis regardless of their BP levels. Non-frail patients, however, with systolic BP levels <140 mmHg had a better prognosis. Frailty may be a marker to differentiate patients who are likely to gain benefit from antihypertensive medication among older hypertensives.


Author(s):  
Gianfranco Umeres-Francia1 ◽  
María Rojas-Fernández ◽  
Percy Herrera Añazco ◽  
Vicente Benites-Zapata

Objective: To assess the association between NLR and PLR with all-cause mortality in Peruvian patients with CKD Methods: We conducted a retrospective cohort study in adults with CKD in stages 1 to 5. The outcome variable was mortality and as variables of exposure to NLR and PLR. Both ratios were categorized as high with a cut-off point of 3.5 and 232.5; respectively. We carried out a Cox regression model and calculated crude and adjusted hazard ratios (HR) with their 95% confidence interval (95%CI). Results: We analyzed 343 participants with a median follow-up time of 2.45 years (2.08-3.08). The frequency of deaths was 17.5% (n=60). In the crude analysis, the high NLR and PLR were significantly associated with all-cause mortality (HR=2.01; 95% CI:1.11-3.66) and (HR=2.58; 95% CI:1.31-5.20). In the multivariate model, after adjusting for age, sex, serum creatinine, CKD stage, albumin and hemoglobin, the high NLR and PLR remained as an independent risk factor for all-cause mortality, (HR=2.10; 95% CI:1.11-3.95) and (HR=2.71; 95% CI:1.28-5.72). Conclusion: Our study suggests the relationship between high NLR and PLR with all-cause mortality in patients with CKD.


Circulation ◽  
2018 ◽  
Vol 137 (suppl_1) ◽  
Author(s):  
Laura F Defina ◽  
Nina B Radford ◽  
David Leonard ◽  
Stephen W Farrell ◽  
Andjelka Pavlovic ◽  
...  

Introduction: Recent studies have suggested that extreme levels of physical activity (endurance athletes) are associated with subclinical atherosclerosis as well as increased mortality. The safety of continuing high levels of physical activity is uncertain once coronary artery calcification (CAC) is discovered. Hypothesis: We hypothesized that men performing &ge3000 MET·minutes/week of physical activity would have greater all-cause and cardiovascular (CV) mortality compared to those with &lt1500 or 1500-&lt3000 MET·minutes/week of physical activity and that mortality risk would be greater in those with CAC&ge100 compared to &lt100 Agatston units. Methods: The cohort studied included 16,109 men without prevalent CV disease who reported physical activity levels and underwent EBT or MDCT scan. Physical activity was categorized into &ge3000 (n=1,266), 1500-3000 (n=3,027), and &lt1500 (n=11,816) MET·minutes/week. CAC scanning included EBT scans (1997-2007) or MDCT scans (2007-2013), and CAC score was categorized into &ge100 (n=3,547) and &lt100 (n=12,562) Agatston units. We fit separate proportional hazards regression models to follow-up times for all-cause and CV mortality. The models included all combinations of CAC and physical activity categories and were adjusted for baseline age, smoking, BMI, cholesterol, HDLc, and systolic blood pressure. Results: The average age of participants at baseline was 51.3±8.3 years. Men with the highest activity level had a lower BMI and higher HDLc. After an average follow-up of 8.9 years, there were 329 all-cause and 60 CV deaths, including 174 all-cause and 38 CV deaths in those with CAC&ge100. The sample had 80% power to detect all-cause mortality hazard ratios &ge 1.9 and 1.8 for physical activity &ge3000 versus &lt1500 in those with CAC&lt100 and &ge100, respectively. The corresponding minimum detectable CV mortality hazard ratios were 3.5 and 2.8. Comparing physical activity &ge3000 to &lt1500 in those with CAC&ge100, the hazard ratios (95% CI) were 0.9 (0.5, 1.5) for all-cause mortality and 0.9 (0.3, 3.1) for CV mortality. Hazard ratios were similar when comparing physical activity &ge3000 to 1500-&lt3000 in those with CAC &ge100. Finally, when comparing physical activity categories, there was no evidence that hazard ratios varied by CAC category, p&gt0.7. Conclusions: This sample offers no evidence that levels of activity &ge3000 MET·minutes/week are associated with increased all-cause or CV mortality compared to those with &lt1500 or 1500- &lt3000 MET·minutes/week, regardless of CAC level.


2020 ◽  
Vol 35 (Supplement_3) ◽  
Author(s):  
Ping Zhang ◽  
Ying Wang ◽  
Xi Yao ◽  
Shaohua Chen ◽  
Chunping Xu ◽  
...  

Abstract Background and Aims The volume factor of maintenance hemodialysis patients is closely related to the prognosis. We hypothesized that the excess weight after dialysis (end-dialysis over-weight, edOW) is an important factor of volume impact survival in hemodialysis (HD) patients. The purpose of this study was to analyze the relationship between edOW and long-term prognosis of patients with maintenance hemodialysis. Method This retrospective study observed incident hemodialysis patients who treated in Kidney Disease Center, the First Affiliated Hospital, College of Medicine, Zhejiang University from January 1, 2008 to April 30, 2017, three times a week for at least one year. The end point of follow-up was death, abdominal dialysis, kidney transplantation, transfer or until April 30, 2018. The general data of the patients included age, gender, BMI, primary renal disease, CVD, first hemodialysis access, albumin(Alb), Haemoglobin(Hb), blood pressure, heart rate, ultrafiltration rate(UFR), interdialytic weight gain IDWG, end -dialysis overweight (edOW). Cox multivariate regression was used to analyze the relationship between edow and all-cause mortality and cardiovascular mortality. Results Totally 469 patients male, 64% were enrolled, with an average age of 56.9 ± 17.1 years. During the follow-up period, 102 patients died. The main cause of death was cardiovascular and cerebrovascular events, accounting for 44.7%. The mean value of edow was 0.28 ± 0.02 kg. Kaplan-Meier(Log-rank test) survival analysis showed that the long-term survival rate of the group with edow ≤ 0.28kg was better than that of the group with edow &gt; 0.28kg (P = 0.042), and the cardiovascular mortality of the group with edow &gt; 0.28kg was significantly higher than that of the group with edow ≤ 0.28kg (P = 0.001). Cox multivariate regression analysis showed that edow was an independent risk factor for all-cause death in hemodialysis patients (P = 0.025, AhR = 1.541, 95% CI 1.057-2.249), and also an independent risk factor for CVD death in hemodialysis patients (P = 0.007, AhR = 1.929, 95% CI 1.198-3.107). Conclusion EdOW is an independent risk factor of long-term all-cause and cardiovascular death in hemodialysis patients.


2019 ◽  
Vol 54 (1) ◽  
pp. 1802175 ◽  
Author(s):  
Mathias Baumert ◽  
Dominik Linz ◽  
Katie Stone ◽  
R. Doug McEvoy ◽  
Steve Cummings ◽  
...  

Respiratory frequency (fR) predicts in-hospital and short-term mortality in patients with a variety of pathophysiological conditions, but its predictive value for long-term cardiovascular and all-cause mortality in the general population is unknown. Here, we investigated the relationship between mean nocturnal fR and mortality in community-dwelling older men and women.We measured mean nocturnal fR during sleep from overnight polysomnography in 2686 men participating in the Osteoporotic Fractures in Men Study (MrOS) Sleep study and 406 women participating in the Study of Osteoporotic Fractures (SOF) to investigate the relationship between mean nocturnal fR and long-term cardiovascular and all-cause mortality.166 (6.1%) men in the MrOS cohort (8.9±2.6 years’ follow-up) and 46 (11.2%) women in the SOF cohort (6.4±1.6 years’ follow-up) died from cardiovascular disease. All-cause mortality was 51.2% and 26.1% during 13.7±3.7 and 6.4±1.6 years’ follow-up in the MrOS Sleep study and the SOF cohorts, respectively. Multivariable Cox regression analysis adjusted for significant covariates demonstrated that fR dichotomised at 16 breaths·min−1 was independently associated with cardiovascular mortality (MrOS: hazard ratio (HR) 1.57, 95% CI 1.14–2.15; p=0.005; SOF: HR 2.58, 95% CI 1.41–4.76; p=0.002) and all-cause mortality (MrOS: HR 1.18, 95% CI 1.04–1.32; p=0.007; SOF: HR 1.50, 95% CI 1.02–2.20; p=0.04).In community-dwelling older men and women, polysomnography-derived mean nocturnal fR ≥16 breaths·min−1 is an independent predictor of long-term cardiovascular and all-cause mortality. Whether nocturnal mean fR can be used as a risk marker warrants further prospective studies.


2020 ◽  
Vol 10 (6) ◽  
pp. 415-428
Author(s):  
Xu Zhu ◽  
Iokfai Cheang ◽  
Shengen Liao ◽  
Kai Wang ◽  
Wenming Yao ◽  
...  

<b><i>Objective:</i></b> To further explore the relationship between the blood urea nitrogen to creatinine (BUN/Cr) ratio and the prognosis of patients with acute heart failure (AHF), a two-part study consisting of a prospective cohort study and meta-analysis were conducted. <b><i>Methods:</i></b> A total of 509 hospitalized patients with AHF were enrolled and followed up. Cox proportional hazards regression was used to analyze the relationship between the BUN/Cr ratio and the long-term prognosis of patients with AHF. Meta-analysis was also conducted regarding the topic by searching PubMed and Embase for relevant studies published up to October 2019. <b><i>Results:</i></b> During a median follow-up of 2.8 years, 197 (42.6%) deaths occurred. The cumulative survival rate of patients with a BUN/Cr ratio in the bottom quartile was significantly lower than in the other 3 groups (log-rank test: <i>p</i> = 0.003). In multivariate Cox regression models, the mortality rate of AHF patients with a BUN/Cr ratio in the bottom quartile was significantly higher than in the top quartile (adjusted HR 1.52; 95% CI 1.03–2.24). For the meta-analysis, we included 8 studies with 4,700 patients, consisting of 7 studies from the database and our cohort study. The pooled analysis showed that the highest BUN/Cr ratio category was associated with an 77% higher all-cause mortality than the lowest category (pooled HR 1.77; 95% CI 1.52–2.07). <b><i>Conclusions:</i></b> Elevated BUN/Cr ratio is associated with poor prognosis in patients with AFH and is an independent predictor of all-cause mortality.


2019 ◽  
Vol 35 (5) ◽  
pp. 854-860 ◽  
Author(s):  
Jun Morinaga ◽  
Tatsuyuki Kakuma ◽  
Hirotaka Fukami ◽  
Manabu Hayata ◽  
Kohei Uchimura ◽  
...  

Abstract Background Patients undergoing hemodialysis treatment have a poor prognosis, as many develop premature aging. Systemic inflammatory conditions often underlie premature aging phenotypes in uremic patients. We investigated whether angiopoietin-like protein 2 (ANGPTL 2), a factor that accelerates the progression of aging-related and noninfectious inflammatory diseases, was associated with increased mortality risk in hemodialysis patients. Methods We conducted a multicenter prospective cohort study of 412 patients receiving maintenance hemodialysis and evaluated the relationship between circulating ANGPTL2 levels and the risk for all-cause mortality. Circulating ANGPTL2 levels were log-transformed to correct for skewed distribution and analyzed as a continuous variable. Results Of 412 patients, 395 were included for statistical analysis. Time-to-event data analysis showed high circulating ANGPTL2 levels were associated with an increased risk for all-cause mortality after adjustment for age, sex, hemodialysis vintage, nutritional status, metabolic parameters and circulating high-sensitivity C-reactive protein levels {hazard ratio [HR] 2.04 [95% confidence interval (CI) 1.10–3.77]}. High circulating ANGPTL2 levels were also strongly associated with an increased mortality risk, particularly in patients with a relatively benign prognostic profile [HR 3.06 (95% CI 1.86–5.03)]. Furthermore, the relationship between circulating ANGPTL2 levels and mortality risk was particularly strong in patients showing few aging-related phenotypes, such as younger patients [HR 7.99 (95% CI 3.55–18.01)], patients with a short hemodialysis vintage [HR 3.99 (95% CI 2.85–5.58)] and nondiabetic patients [HR 5.15 (95% CI 3.19–8.32)]. Conclusion We conclude that circulating ANGPTL2 levels are positively associated with mortality risk in patients receiving maintenance hemodialysis and that ANGPTL2 could be a unique marker for the progression of premature aging and subsequent mortality risk in uremic patients, except those with significant aging-related phenotypes.


2015 ◽  
Vol 19 (10) ◽  
pp. 1751-1756 ◽  
Author(s):  
Joo Young Lee ◽  
Hyeon Chang Kim ◽  
Changsoo Kim ◽  
Keeho Park ◽  
Song Vogue Ahn ◽  
...  

AbstractObjectiveAccording to most prospective studies, being underweight (BMI<18·5 kg/m2) is associated with significantly higher mortality than being of normal weight, especially among smokers. We aimed to explore in a generally lean population whether being underweight is significantly associated with increased all-cause mortality.DesignProspective cohort study.SettingKorea Medical Insurance Corporation study with 14 years of follow-up.SubjectsAfter excluding deaths within the first 5 years of follow-up (1993–1997) to minimize reverse causation and excluding participants without information about smoking and health status, 94 133 men and 48 496 women aged 35–59 years in 1990 were included.ResultsWe documented 5411 (5·7 %) deaths in men and 762 (1·6 %) in women. Among never smokers, hazard ratios (HR) for underweight individuals were not significantly higher than those for normal-weight individuals (BMI=18·5–22·9 kg/m2): HR=0·87 (95 % CI 0·41, 1·84, P=0·72) for underweight men and HR=1·12 (95 % CI 0·76, 1·65, P=0·58) for underweight women. Among ex-smokers, HR=0·86 (95 % CI 0·38, 1·93, P=0·72) for underweight men and HR=3·77 (95 % CI 0·42, 32·29, P=0·24) for underweight women. Among current smokers, HR=1·60 (95 % CI 1·28, 2·01, P<0·001) for underweight men and HR=2·07 (95 % CI 0·43, 9·94, P=0·36) for underweight women.ConclusionsThe present study does not support that being underweight per se is associated with increased all-cause mortality in Korean men and women.


2019 ◽  
Vol 49 (1-2) ◽  
pp. 114-120
Author(s):  
Shuang Wang ◽  
Fang Wei ◽  
Haiyan Chen ◽  
Zhe Wang ◽  
Ruining Zhang ◽  
...  

Background: Much controversy remains in the literature with respect to whether soluble suppression of tumorigenicity 2 (sST2) can serve to predict all-cause death in patients undergoing maintenance hemodialysis (MHD). This meta-analysis therefore sought to analyze extant datasets exploring the association between these 2 variables in MHD patients in order to draw relevant conclusions. Methods: Articles published through December 2018 in PubMed and Embase were independently reviewed by 2 authors to identify relevant articles, and STATA 12.0 was used for statistical analyses of relevant results and study parameters. Results: In total, we identified 4 relevant studies that were incorporated into this meta-analysis. These studies included a total of 1,924 participants (60% male, mean follow-up 911 days). The combined study results suggested that increased levels of sST2 were significantly linked to a 2.23 fold rise in all-cause mortality (hazard ratio [HR] 2.23, 95% CI 1.81–2.75). Subgroup analyses confirmed that this same association was true in patients undergoing hemodialysis (HR 2.17, 95% CI 1.74–2.71), which indicated that the increased levels of sST2 were significantly linked to a 2.17 fold rise in all-cause mortality. Conclusions: This analysis suggests that there is a significant link between elevated levels of sST2 and death in patients undergoing MHD. Further large-scale trials, however, will be needed to fully validate these findings and their clinical relevance.


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