Background Automated peritoneal dialysis (APD) has been proved benefit from remote monitoring (RM), but evidences are limited. In this study, we compared clinical outcomes and quality of life (QoL) in two group of patients undergoing APD, with and without exposure of RM. Methods This is a retrospective cohort study, comparing outcomes in two groups of APD patients monitored during 6 months with RM (group A: n = 35) or standard care (group B: n = 38 patients). In our clinical practice, we assign the RM system to patients who live more distant from the PD center or difficulty in moving. We evaluated emergency visits, hospitalizations, peritonitis, overhydration, and dropout. QoL was assessed with the Kidney Disease Quality of life-Short Form (KDQOL-SF). We included four additional questions focused on patient's perception of monitoring, safety and timely problems solution (Do you think that home-therapy monitoring could interfere with your privacy? Do you think that your dialysis sessions are monitored frequently enough? Do you think that dialysis-related issues are solved timely? Do you feel comfortable carrying out your home-based therapy?). Results The case group presented a higher comorbidity score, according to Charlson Comorbidity Index (group A: 5.0; IQR 4.0-8.0 versus group B: 4.0; IQR 3.0-6.0) (p = 0.042). The results in group A showed a reduction in the urgent visits due to acute overhydration (group A: 0.17 ± 0.45 versus group B: 0.66 ± 1.36) (p: 0.042) and in the number of disease-specific hospitalization (group A n = 2.0; 18.2% versus group B n = 7.0; 77.8%) (p = 0.022). We did not find any difference between the two groups in terms of hospitalization because of all-cause, peritonitis, overhydration, and dropout. The analysis of KDQOL-SF subscales was similar in the two groups; on the contrary, the answers of our pointed questions have showed a significant difference between the two groups (group A: 100 IQR 87.5-100.0 versus group B 87.5; IQR 75.0-100.0) (p: 0.018). Conclusion RM improved clinical outcomes in PD patients, reducing the emergency visits and the hospitalizations, related to nephrological problems, especially in patients with higher comorbidity score. The acceptance and satisfaction of care were better in patients monitored with RM than with standard APD.
Background: Lipopolysaccharide (LPS), also known as endotoxin, is cell wall component of Gram-negative (GN) bacteria, which may contribute to the progression of a local infection to sepsis. Previous studies demonstrate that LBP is detectable in peritoneal effluents of peritoneal dialysis (PD) patients and it is significantly elevated in PD patients with peritonitis caused by both GN and Gram-positive (GP) bacteria. Aim: The aim of this study was to evaluate LPS levels in PD patients; in particular, we investigated different LPS levels in the context of GP and GN peritonitis. Material and Methods: We enrolled 49PD (61% Continuous Ambulatory PD and 39% Automated PD) patients: 37 with peritonitis and 12 without. Quantitative determination of LPS was performed by Enzyme-linked Immunosorbent Assay Kitin peritoneal and plasma samples. Results: Quantitative analysis of peritoneal and plasma LPS showed significantly higher levels in PD patients with peritonitis compared to patients without (p = 0.001). Furthermore, we divided patients with peritonitis in 2 groups on the basis of Gram staining (GP 27; GN 12). Peritoneal and plasma LPS levels showed significantly lower levels in PD patients with GP peritonitis than in patients with GN (p = 0.001). The median level of LPS showed no significant differences between patients without peritonitis and with GP peritonitis (p = 0.195). On the contrary, LPS levels showed significantly higher levels in PD patients with GN peritonitis compared to patients without peritonitis (p = 0.001). A significant positive correlation was observed between peritoneal white blood cells count (pWBC) and peritoneal LPS (Spearman's rho = 0,412, p = 0.013). However, no statistically significant correlation was observed between plasma LPS and WBC count. Conclusion: We observed LPS presence in all PD patients. In particular, our results demonstrated that LPS is significantly elevated in PD patients with GN peritonitis. Furthermore, pWBC and LPS levels increased proportionally in PD patients with peritonitis. Peritoneal and plasma LPS levels could be a useful marker for diagnosis and management of GN peritonitis in PD patients.
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