Transplantation · 2001
Graft size assessment and analysis of donors for living donor liver transplantation using right lobe.
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Sakamoto S, Uemoto S, Uryuhara K, Kim Id, Kiuchi T, Egawa H, Inomata Y, Tanaka K
Аннотация
BACKGROUND: Modality of living donor liver transplantation (LDLT) has been expanded to adult cases. However, the safety of right lobectomy from living donors has not yet been proven.
METHODS: A total of 62 cases of LDLT, using the right lobe, were reviewed. Study 1: Discrepancy between estimated graft volume and actual graft weight was evaluated. Study 2: Postoperative liver functions were analyzed in relation to residual liver volume (RLV) or age. Residual liver volume of donors was defined using two indices, (RLV = estimated whole liver volume - estimated graft volume and %RLV = RLV/estimated whole liver volumex100). Donors were divided into two groups on the basis of either %RLV (<40%; 40%< or =) or age (<50 years old; 50 years old < or =). Study 3: Right lobe donors were compared with left lobe donors (35 cases) in terms of their postoperative liver functions.
RESULTS: Study 1: The relationship between estimated graft volume and actual graft weight was linear (y=159.136+0.735x, R2=0.571, P<0.001). Study 2: %RLV ranged from 23.5% to 55.8% (mean +/- SD: 43.2+/-6.0). Fifteen cases showed %RLV less than 40%. Postoperative bilirubin clearance was delayed in that group (%RLV<40%). Serum total bilirubin values on postoperative day 7 in the older group (age > or =50) were significantly higher than those in the younger group (age<50). Study 3: Postoperative liver functions of right lobe donors were significantly higher than those of left-lobe donors. Eleven donors (17.7%) had surgical complications, all of which were cured with proper treatment.
CONCLUSIONS: Right lobectomy from living donors is a safe procedure with acceptable morbidity, but some care should be taken early after the operation for donors with small residual liver and aged donors.
METHODS: A total of 62 cases of LDLT, using the right lobe, were reviewed. Study 1: Discrepancy between estimated graft volume and actual graft weight was evaluated. Study 2: Postoperative liver functions were analyzed in relation to residual liver volume (RLV) or age. Residual liver volume of donors was defined using two indices, (RLV = estimated whole liver volume - estimated graft volume and %RLV = RLV/estimated whole liver volumex100). Donors were divided into two groups on the basis of either %RLV (<40%; 40%< or =) or age (<50 years old; 50 years old < or =). Study 3: Right lobe donors were compared with left lobe donors (35 cases) in terms of their postoperative liver functions.
RESULTS: Study 1: The relationship between estimated graft volume and actual graft weight was linear (y=159.136+0.735x, R2=0.571, P<0.001). Study 2: %RLV ranged from 23.5% to 55.8% (mean +/- SD: 43.2+/-6.0). Fifteen cases showed %RLV less than 40%. Postoperative bilirubin clearance was delayed in that group (%RLV<40%). Serum total bilirubin values on postoperative day 7 in the older group (age > or =50) were significantly higher than those in the younger group (age<50). Study 3: Postoperative liver functions of right lobe donors were significantly higher than those of left-lobe donors. Eleven donors (17.7%) had surgical complications, all of which were cured with proper treatment.
CONCLUSIONS: Right lobectomy from living donors is a safe procedure with acceptable morbidity, but some care should be taken early after the operation for donors with small residual liver and aged donors.