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ObjectiveThe aim of this study was to report the prevalence of peritonitis and mortality in patients with end-stage kidney disease (ESKD) treated with chronic peritoneal dialysis (PD) in Africa.DesignSystematic review.SettingAfrica.ParticipantsPatients with ESKD in Africa.InterventionsPD in its varied forms.Primary and secondary outcomesPD-related peritonitis rate (primary outcome), time-to-discontinuation of PD, mortality.Data sourcesFour databases, including PubMed, Embase, Web of Science and Africa Journal Online were systematically searched from 1 January 1980 to 31 December 2019.Eligibility criteriaStudies conducted in Africa reporting peritonitis rate and mortality in patients treated with PD.Data extraction and synthesisTwo reviewers extracted and synthesised the data using Microsoft Excel. The quality of included data was also assessed.ResultsWe included 17 studies from seven African countries representing 1894 patients treated with PD. The overall median age was 41.4 years (IQR: 38.2–44.7) with a median time on PD of 18.0 months (17.0–22.6). An overall median peritonitis rate of 0.75 (0.56–2.20) episodes per patient-year (PPY) was observed and had declined with time; peritonitis rate was higher in paediatric studies than adult studies (1.78 (1.26–2.25) vs 0.63 (0.55–1.87) episodes PPY). The overall median proportion of deaths was 21.1% (16.2–25.8). Culture negative peritonitis was common in paediatric studies and studies that reported combined outcomes of continuous ambulatory PD and automated PD. Both 1-year and 2-year technique survival were low in all studies (83.6% and 53.0%, respectively) and were responsible for a high proportion of modality switch.ConclusionsOur study identifies that there is still high but declining peritonitis rates as well as low technique and patient survival in PD studies conducted in Africa. Sustained efforts should continue to mitigate factors associated with peritonitis in patients with ESKD treated with PD in Africa.PROSPERO registration numberCRD42017072966.
ObjectiveThe aim of this study was to report the prevalence of peritonitis and mortality in patients with end-stage kidney disease (ESKD) treated with chronic peritoneal dialysis (PD) in Africa.DesignSystematic review.SettingAfrica.ParticipantsPatients with ESKD in Africa.InterventionsPD in its varied forms.Primary and secondary outcomesPD-related peritonitis rate (primary outcome), time-to-discontinuation of PD, mortality.Data sourcesFour databases, including PubMed, Embase, Web of Science and Africa Journal Online were systematically searched from 1 January 1980 to 31 December 2019.Eligibility criteriaStudies conducted in Africa reporting peritonitis rate and mortality in patients treated with PD.Data extraction and synthesisTwo reviewers extracted and synthesised the data using Microsoft Excel. The quality of included data was also assessed.ResultsWe included 17 studies from seven African countries representing 1894 patients treated with PD. The overall median age was 41.4 years (IQR: 38.2–44.7) with a median time on PD of 18.0 months (17.0–22.6). An overall median peritonitis rate of 0.75 (0.56–2.20) episodes per patient-year (PPY) was observed and had declined with time; peritonitis rate was higher in paediatric studies than adult studies (1.78 (1.26–2.25) vs 0.63 (0.55–1.87) episodes PPY). The overall median proportion of deaths was 21.1% (16.2–25.8). Culture negative peritonitis was common in paediatric studies and studies that reported combined outcomes of continuous ambulatory PD and automated PD. Both 1-year and 2-year technique survival were low in all studies (83.6% and 53.0%, respectively) and were responsible for a high proportion of modality switch.ConclusionsOur study identifies that there is still high but declining peritonitis rates as well as low technique and patient survival in PD studies conducted in Africa. Sustained efforts should continue to mitigate factors associated with peritonitis in patients with ESKD treated with PD in Africa.PROSPERO registration numberCRD42017072966.
The prevalence of hypertension was 38%. There were 17 hypertensives and 27 normotensives. The incidence of renal impairment was greater in the hypertensives, 47% vs 18.5% (p=0.04). Mean serum creatinine was also higher higher in this group (p=0.02). The presence of hypertensive renal vascular lesions identified a high-risk subgroup who had a higher incidence of renal functional impairment and worse renal function than the hypertensive group as a whole. Even at an early stage, hypertension and hypertensive renal vascular lesions correlated well with renal functional impairment. Aggressive treatment of hypertension is therefore essential in early lupus nephritis in order to prevent further deterioration of renal function as the disease evolves.
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