Peritonitis as a risk factor for long-term cardiovascular mortality in peritoneal dialysis patients: The case of a friendly fire?

Autor:	Ana Elizabeth Figueiredo, Ludimila Guedim de Campos, Franciele M Yabumoto, Marcia Olandoski, Pasqual Barretti, Silvia Emiko Shimakura, Thyago Proença de Moraes, Roberto Pecoits-Filho
Rok vydání:	2018
Předmět:	medicine.medical_specialty business.industry Proportional hazards model medicine.medical_treatment Hazard ratio 030232 urology & nephrology Peritonitis General Medicine 030204 cardiovascular system & hematology medicine.disease Surgery Peritoneal dialysis 03 medical and health sciences 0302 clinical medicine Nephrology Internal medicine Cohort medicine Clinical endpoint Risk factor business Prospective cohort study
Zdroj:	Nephrology. 23:253-258
ISSN:	1320-5358
DOI:	10.1111/nep.12986
Popis:	Aim Since the impact of peritonitis on long-term non-infectious mortality has not been investigated until the present, the aim of this study was to analyze the impact of peritonitis on long-term CV mortality in a large PD cohort. Methods The analysis was based on BRAZPD II, a national prospective cohort study that recruited patients in Brazilian Centers from December 2004 to January 2011. Incident adult PD patients with at least 90 days on treatment were included in the analysis. Cardiovascular death occurring after a minimum of 30 days after a peritonitis episode was considered the primary endpoint. Cox regression analysis for time-dependent variables was used for the adjustments. Results There were 2,405 episodes of peritonitis in 5,707 patients (48% males, 44% diabetes, 73% hypertensive). Patients with one episode of peritonitis presented a 22% increase in the hazard ratio of late CV mortality compared to those who never experienced peritonitis (HR1.22; CI95%1.01 -1.47). Adjusted hazard for CV mortality showed a step wise negative effect on survival for each additional peritonitis episode of infection: 2 episodes (HR1.78; CI95%1.31-2.42), 3 episodes (HR2.81; CI95%1.83-4.32) and 4 episodes (HR3.84; CI95%2.01-7.32). Conclusion Peritonitis was an independent predictor of CV mortality and the frequency of peritonitis was strongly associated with an increase in this risk. This is the first study to demonstrate the impact of peritonitis on late cardiovascular mortality of PD patients, suggesting a link between acute inflammation and cardiovascular outcomes.
Databáze:	OpenAIRE
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