Influence of the two-layer preservation method on human pancreatic islet isolation: a meta-analysis

The International Journal of Artificial Organs
Xiaohang LiMing Dong

Abstract

There has been continuous debate on whether the Two-Layer Method (TLM) is superior to the University of Wisconsin solution (UW) for preserving human pancreas prior to islet isolation. The objective of the current meta-analysis is to assess which method is superior. We searched electronic databases (MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials) for relevant human trials published in the English language from January 2000 to October 2013. Data on donor characteristics and islet isolation outcomes were extracted. 14 articles containing 18 human studies were included in this meta-analysis. In comparison to UW alone, TLM alone produced a significantly higher islet yield (weighted mean difference, 776.32; 95% confidence interval; 370.82-1181.82; P = .0002). TLM alone also yielded higher proportion of transplantable preparations (odds ratio, 1.60; 95% confidence interval; 1.15-2.23; P = .005). The following measures did not differ: islet viability (weighted mean difference, 2.10; -2.41-6.60; P = .360), purity (weighted mean difference, -0.92; -3.75-1.91; P = .520) and function assessed by measuring the stimulation index (weighted mean difference, 0.17; -0.21-0.55; P = .380). When comparing TLM following UW storage w...Continue Reading

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Citations

Dec 18, 2020·Global Health & Medicine·Tadashi Takaki, Masayuki Shimoda

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