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Title: National analyses on survival in Maltese adult patients on renal replacement therapy started during 2009–2012
Authors: Baldacchino, Ian
Debattista, Sarah
Debattista, Daniel
Balzan, Gabriella
Abdilla, Stefania
Baldacchino, Lisa
Borg, Gabriel
Buttigieg, Sacha
Calleja Stafrace, Nadine
Cutajar, Carl
Galea, Marica
Sciberras, Whitney
Xerri, Thelma
Camilleri, Liberato
Farrugia, Emanuel
Keywords: Kidneys -- Diseases -- Malta
Chronically ill -- Care -- Malta
Critical care medicine -- Malta
Acute renal failure -- Malta
Acute renal failure -- Treatment
Issue Date: 2019
Publisher: EMG
Citation: Baldacchino, I., Debattista, S., Debattista, D., Balzan, G., Abdilla, S., Baldacchino, L.,... Farrugia, E. (2019). National analyses on survival in Maltese adult patients on renal replacement therapy started during 2009-2012. The European Medical Journal, 4(4), 117-123.
Abstract: Chronic kidney disease patients on maintenance dialysis (CKD 5D) experience major morbidity and mortality. No data on survival in Maltese dialysis patients exist; therefore, the aim of this study was to rigorously examine survival statistics in a complete cohort of Maltese CKD 5D patients. The study population was comprised of all incident chronic patients (N=328) starting dialysis at the renal unit, Mater Dei hospital, Msida, Malta, for 4 consecutive years (2009–2012). Each yearly cohort was analysed in detail up to 31st December 2017, providing up to 8 years follow-up. Demographics (male 65%; female 35%), aetiology of renal failure (diabetic kidney disease: n=191; 58.2%), comorbidities, transplant status, and death were documented. Data collection and follow up were completed and statistical analysis was performed on the aggregated cohorts with SPSS version 23 with censoring up to 31st December 2017. The cumulative adjusted 5-year overall survival in Maltese CKD 5D patients was 0.36 and 0.25 at 8 years. No statistical difference was observed according to the year of starting dialysis. Cox regression analysis showed that age and transplant status influenced survival. The unadjusted hazard of death increased by 3% for every 1-year increase in age and was increased by 7% if the patient did not receive a transplant, and overall 22% (n=72) of the entire cohort eventually received transplants. This study reports an approximate 65% mortality at 5 years in Maltese haemodialysis patients, a poor prognosis that, despite optimal medical management, is consistent with worldwide reports.
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