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Apheresis Technique for Acute Hyperlipidemic Pancreatitis: A Systemic Review and Meta-Analysis
Lin YF, Yao Y, Xu Y, Huang HB
Digestive diseases and sciences. 2022
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Abstract
BACKGROUND The apheresis technique is increasingly used in patients with hypertriglyceridemia-induced pancreatitis (HTGP), while its role in this context is still not well established. Thus, we aimed to evaluate the clinical outcomes of an apheresis therapy compared to usual care in such a patient population. METHODS We searched PubMed, Embase, and Cochrane library databases up to July 10, 2021. Studies were included if they focused on HTGP treated with or without apheresis technique. We used the Newcastle-Ottawa Scale to assess the quality of the included studies. The primary outcome was the mortality rate. We also explored the heterogeneity, sensitivity analysis, subgroup analysis, and publication bias. RESULTS Sixteen observational studies with 1476 adults were included. The overall quality of included studies was moderate. Despite better TG level reduction with apheresis therapy (mean difference [MD], 12.27 mmol/L, 95% CI, 3.74 to 20.81; I(2) = 78%; P = 0.005), use of apheresis did not reduce the mortality (odds ratio [OR], 1.01; 95% CI, 0.65 to 1.59; P = 0.95) compared with usual care. This result was further confirmed by sensitivity analysis, subgroup analysis. The length of stay in hospital (MD, 0.96 days; 95% CI, - 1.22 to 3.14; I(2) = 70%; P = 0.39) and most complications were similar between the groups, while hospital cost was significantly higher in the apheresis group. CONCLUSIONS The apheresis technique did not decrease the mortality in HTGP patients compared with usual care. Until the results of high-quality RCTs are known, these findings do not support the routine use of the apheresis technique in such a patient population.
PICO Summary
Population
Patients with hypertriglyceridemia-induced pancreatitis, (16 studies, n= 1,476).
Intervention
Apheresis therapy.
Comparison
Usual care.
Outcome
Despite better triglycerides level reduction with apheresis therapy (mean difference [MD], 12.27 mmol/L), use of apheresis did not reduce the mortality compared with usual care. The length of stay in hospital (MD, 0.96 days) and most complications were similar between the groups, while hospital cost was significantly higher in the apheresis group. The overall quality of included studies was moderate.