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  • Title: Retrospective analysis of nontraumatic subdural hematoma incidence and outcomes in Egyptian patients with end-stage renal disease on hemodialysis.
    Author: Fayed A, Tarek A, Refaat MI, Abouzeid S, Salim SA, Zsom L, Fülöp T, Soliman KM, Elmallawany MA.
    Journal: Ren Fail; 2021 Dec; 43(1):1322-1328. PubMed ID: 34547969.
    Abstract:
    BACKGROUND: The incidence of subdural hematoma (SDH) in chronic maintenance hemodialysis (CMH) patients may change over time, along with the evolving characteristics of the underlying populations. METHODS: We conducted a retrospective, single-center study at Cairo University hospitals, assessing the incidence, associated risk factors, and outcomes of nontraumatic SDH in CMH patients between January 2006 and January 2019. RESULTS: Out of 1217 CMH patients, nontraumatic SDH was diagnosed in 41 (3.37%) during the study, increasing with the enrollees' age but stable over the observation period and translating into an annual incidence rate of 28 per 1000 patients per year. SDH patients were likely to use central venous catheters, reported pruritis and history of bone fractures, and had higher phosphorus, parathyroid hormone, and alkaline phosphatase values (p < 0.001); however, there was no association with atrial fibrillation or use of anticoagulants. In the SDH cohort (n = 41), six patients did not need surgical intervention and 13 patients died before becoming surgically fit for intervention; mortality correlated with ischemic heart disease (p = 0.033) and the presence of atrial fibrillation or chronic anticoagulation with warfarin (p < 0.0001 for both), among others. Twenty-two patients received surgical operations and of these 2 died postoperatively; overall patient mortality was 12/41 (29.27%) at 30 days and 15/41 (36.59%) at 1 year. CONCLUSION: Our study demonstrated a striking enrichment for underlying comorbidities in those patients developing SDH and a high risk of immediate mortality. The benefit of chronic anticoagulation therapy should be carefully weighed against the risk of CNS bleed in MHD patients.
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