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  • Title: Usefulness of 99mTc-DTPA galactosyl human serum albumin liver scintigraphy for evaluating hepatic functional reserve after Kasai procedure.
    Author: Mitsunaga T, Higashimoto Y, Saito T, Iwai J.
    Journal: J Pediatr Surg; 2017 Dec; 52(12):1925-1929. PubMed ID: 28943134.
    Abstract:
    BACKGROUND/PURPOSE: We investigated whether 99mTc-DTPA galactosyl human serum albumin (GSA) liver scintigraphy could help evaluate post-Kasai procedure hepatic functional reserve in order to inform therapeutic strategies, including liver transplantation. METHODS: GSA scintigraphy was performed post-Kasai procedure. Patients were classified as having favorable (native liver survival) or poor (liver transplantation or death) prognoses. The clearance index (HH15), receptor index (LHL15), and time at which cumulative liver radioactivity reached 85% of heart plus liver activity (T0.85) were compared to laboratory data and prognosis. RESULTS: GSA scintigraphy was performed 106 times on 35 patients. T0.85 correlated well with laboratory variables associated with liver function (platelet count, international normalized ratio of prothrombin time, serum albumin, total cholesterol, and cholinesterase). HH15 correlated moderately and LHL15, poorly. HH15 and T0.85 values were significantly higher in the poor-prognosis than in the favorable-prognosis group, and LHL15 was significantly lower. The T0.85 cutoff value (6.25min) corresponded with division into prognosis groups, and had high sensitivity (0.78) and specificity (0.83). CONCLUSIONS: Hepatic functional reserve post-Kasai procedure can be evaluated using the GSA scintigraphy T0.85 value. A value consistently >6.25min indicates the need for liver transplantation. TYPE OF STUDY: Diagnostic Test. LEVEL OF EVIDENCE: Level III.
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