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SM LDLT Risk Assessor v2

on November 10, 2025

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Explainability Framework - Sm Ldlt Risk Assessor V2.0

Explainability Framework — SM LDLT Risk Assessor v2.0 Explainability Framework — SM LDLT Risk Assessor v2.0 Author: Dr. Sharad Maheshwari • Purpose: Transparent mapping of rules, thresholds and rationale used to compute the DRPSS 1. Overview This document provides a complete, auditable explanation of how each sub-index and the composite Donor–Recipient Profile Safety Score (DRPSS) is computed. It is written for liver transplant surgeons, hepatologists, transplant coordinators and thesis reviewers. Domain Index Purpose Default Weight Donor Technical Complexity DTC Anatomic & technical feasibility 0.4 Recipient Resilience RRI Physiologic tolerance & recovery potential 0.3 Volumetric Safety VSI Quantitative graft/remnant safety 0.2 Socioeconomic Readiness SRS Support systems & logistics 0.1 Note: All...

SM LDLT RISK ASSESSOR: EXPLAINABILITY

SM LDLT RISK ASSESSOR: Evidence Base & Scoring Rationale Volumetric & Steatosis Index (VSI) Graft-to-Recipient Weight Ratio (GRWR) The GRWR is a critical determinant of post-transplant outcomes, preventing both small-for-size and large-for-size syndrome. · Pass (≥0.8%): Generally considered safe, associated with low rates of small-for-size syndrome. · Marginal (0.6-0.8%): Increased risk, requires careful consideration and potential use of portal flow modulation. · Fail (<0.6%): High risk of graft dysfunction. Considered a relative contraindication (Hard Stop). Functional Liver Remnant (FLR%) Ensuring an adequate future liver remnant for the donor is paramount for their safety. · Pass (≥35%): Standard safe remnant volume...

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SM LDLT Risk Assessor v2

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