Background: Few studies have compared the infectious and mechanical complications seen in planned-start and urgent-start peritoneal dialysis (PD) patients. Objectives: To compare the incidence and etiology of mechanical and infectious complications in patients offered planned- and urgent-start PD and assess potential differences in patient survival and time on PD. Methods: This retrospective cohort study included patients with chronic kidney disease on planned- and urgent-start PD seen from 2014 to 2020 and compared them for mechanical and infectious complications, clinical outcome, death rates, and need to switch to hemodialysis. Results: Ninety-nine patients on planned-start PD and 206 on urgent-start PD were included. Incidence of exit-site infection (18.9 vs. 17.17%, p=0.71) and peritonitis (24.27 vs. 27.27%, p=0.57) were similar between patients, while pathogens causing peritonitis were different, although non-fermenting Gram-negative bacilli were more commonly seen in the planned-start PD group. Leakage as a mechanical complication and hospitalization were more common among patients needing urgent-start PD (10.68 vs. 2.02%, p=0.0085 and 35.44 vs. 17.17%, p=0.0011, respectively). Patient survival was similar between groups. Cox regression found an association between death and age (HR=1.051, 95% CI 1.026-1.07, p=0.0001) and albumin (HR=0.66, 95% CI 0.501-0.893, p=0.0064), and between peritonitis and a diagnosis of diabetes (HR=2.016, 95% CI 1.25-3.25, p=0.004). Conclusion: Patient survival and time on PD were similar between the planned- and urgent-start PD groups, while leakage was more frequently seen in the urgent-start PD group. Death was associated with lower albumin levels and older age, while peritonitis was associated with diabetes.
Resumo Antecedentes: Poucos estudos compararam as complicações infecciosas e mecânicas relacionadas à diálise peritoneal (DP) de início planejado e não planejado. Objetivos: Comparar a incidência e etiologia das complicações mecânicas e infecciosas associadas à DP tanto de início planejado quanto não planejado e avaliar comparativamente a sobrevida da técnica e dos pacientes. Métodos: Estudo de coorte retrospectivo que avaliou pacientes com doença renal crônica em DP não planejada e planejada de 2014 a 2020 quanto às complicações mecânicas e infecciosas e desfechos clínicos óbito ou mudança para hemodiálise. Resultados: Foram avaliados 99 pacientes em DP planejada e 206 em DP não planejada. Foram semelhantes quanto à incidência de Infecção do Orifício de Saída (18,9x17,17%, p=0,71), peritonite (24,27x27,27%, p=0,57) e diferentes quanto aos agentes etiológicos das peritonites, sendo os bacilos Gram-negativos não fermentadores mais frequentes no grupo planejado. Diferiram quanto à complicação mecânica extravasamento e internação, ambas mais frequentes no grupo não planejado (10,68 x 2,02%, p=0,0085 e 35,44 x 17,17%, p=0,0011, respectivamente). Semelhantes quanto à sobrevida dos pacientes e da técnica. À regressão de Cox, associou ao óbito a idade (HR=1,051, IC 95% 1,026-1,07, p=0,0001) e a albumina (HR=0,66, IC 95% 0,501-0,893, p=0,0064), e à peritonite a presença de diabetes (HR=2,016, IC 95% 1,25-3,25, p=0,004). Conclusão: A sobrevida da técnica e dos pacientes foi semelhante nos grupos DP planejada e não planejada, enquanto o extravasamento foi mais frequente no grupo de início não planejado. Associaram-se ao óbito menores valores de albumina e maior idade, e à peritonite, o diabetes.
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