Background and Aim: Data are scanty on allocating simultaneous liver kidney (SLK) based on model for end-stage disease (MELD) score. Diabetes mellitus (DM) and hypertension (HTN) are frequent in cirrhosis patients. We analyzed transplant recipients with DM and/or HTN to compare MELD-based outcomes of SLK to liver transplantation alone (LTA). Materials and Methods: Of 13,584 first deceased donor liver transplantation among patients with DM and/or HTN (1530 or 11.2% SLK), MELD score predicted SLK [1.02 (1.01-1.03)]. SLK was beneficial for 5-year patient survival at MELD score ≥43 (78.6% vs. 62.6%, P=0.017), but not at MELD score <29 (74.8% vs. 76.2%, P=0.63). Among 11,405 recipients (976 SLK) at MELD score <29, SLK (n=816) was beneficial compared with 706 LTA [75% vs. 64%, P<0.001; 0.71 (0.55-0.91)] at serum creatinine (SC) ≥2 but not at SC<2 [73% vs. 76%, P=0.32; 0.85 (0.60-1.2)]. Among patients with MELD score 29 to 42, SLK (n=484) and LTA (n=1403) had similar survival [69% vs. 69%, P=0.58; 0.9 (0.7-1.5)]. Among patients with MELD score ≥43, SLK (n=70) was associated with 35% improved patient survival at 5 years compared with 222 LTA [0.65 (0.46-0.93)]. Conclusions: Among patients with DM and/or HTN, SLK is useful at: (a) MELD score <29 and SC≥2 and (b) MELD score ≥43. Prospective studies are needed to confirm these findings as basis to optimize use of SLK.
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