In a recent meta-analysis, Wan et al[ 107 ], regarding graft survival after antibody removal with TPE or IA, based on 5 RCTs, showed no benefit in the trials with a shorter follow-up (1-7 mo)[ 108 , 109 ], while those with a longer follow-up (2-5 years) showed a trend towards a benefit[ 28 , 110 , 111 ].
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