AI Article Synopsis
- The study analyzed the effects of transjugular intrahepatic portosystemic shunt (TIPS) on waitlist mortality and liver transplantation access in Budd-Chiari Syndrome (BCS) patients using the UNOS database from 2002 to 2024.
- Among 815 BCS patients, those who received TIPS had lower severity scores, lesser urgent statuses, and longer waitlist times for liver transplants compared to non-TIPS patients.
- The findings revealed that while TIPS use increased over time and led to improved medical conditions at the time of transplantation, it was associated with lower access to liver transplantation and a lower risk of waitlist mortality.
Article Abstract
Background: The impact of transjugular intrahepatic portosystemic shunt (TIPS) on waitlist mortality and liver transplantation (LT) urgency in Budd-Chiari Syndrome (BCS) patients remains unclear.
Method: We analyzed BCS patients listed for LT in the UNOS database(2002-2024) to assess TIPS's impact on waitlist mortality and LT access via competing-risk analysis. We compared trends across two phases:Phase1(2002-2011) and Phase2(2012-2024).
Results: Of 815 BCS patients, 263(32.3%) received TIPS at listing. TIPS group had lower MELD-Na scores(20vs22,p<0.01), milder ascites(p=0.01), and fewer Status1 patients(those at risk of imminent death while awaiting LT)(2.7%vs8.3%,p<0.01) at listing compared to those without TIPS. TIPS patients had lower LT rates(43.3%vs56.5%,p<0.01) and longer waitlist times(350vs113 d,p<0.01). TIPS use increased in Phase2(64.3%vs35.7%,p<0.01). Of 426 transplanted patients, 134(31.5%) received TIPS, showing lower MELD-Na scores(24vs27,p<0.01) and better medical conditions(Intensive care unit:14.9%vs21.9%,p<0.01) at LT. Status1 patients were fewer (3.7%vs12.3%,p<0.01), with longer waiting days(97vs26 d,p<0.01) in TIPS group. TIPS use at listing increased from Phase1(25.6%) to Phase2(37.7%). From Phase1 to Phase2, ascites severity improved, re-LT cases decreased(Phase1:9.8%vsPhase2:2.2%,p<0.01), and cold ischemic time slightly decreased(Phase1:7.0vsPhase2:6.4 hours,p=0.14). Median donor body mass index significantly increased. No significant differences were identified in patient/graft survival at 1-/5-/10-year intervals between phases or TIPS/non-TIPS patients. While 90-day waitlist mortality showed no significant difference(p=0.11), TIPS trended towards lower mortality(subHazard ratio[sHR]:0.70[0.45-1.08]). Multivariable analysis indicated that TIPS was a significant factor in decreasing mortality(sHR:0.45[0.27-0.77],p<0.01). TIPS group also showed significantly lower LT access(sHR:0.65[0.53-0.81],p<0.01). Multivariable analysis showed that TIPS was a significant factor in decreasing access to LT(sHR:0.60[0.46-0.77],p<0.01). Sub-group analysis excluding Status1 or HCC showed similar trends.
Conclusion: TIPS in BCS patients listed for LT reduces waitlist mortality and LT access, supporting its bridging role.
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| http://dx.doi.org/10.1097/LVT.0000000000000469 | DOI Listing |
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