Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 7, 2007; 13(9): 1431-1434
Published online Mar 7, 2007. doi: 10.3748/wjg.v13.i9.1431
Table 1 Epidemiological and pathological data of patients with synchronous colorectal metastases to the liver, operated on in one stage (Group A) and two stages (Group B) n (%)
CharacteristicsGroup A
Group B
P
(n = 25)(n = 78)
GenderNS
Male15 (58)47 (61)
Female10 (42)31 (39)
Age (yr, mean ± SD)63 ± 12  61 ± 14NS
Tumor differentiationNS
Well6 (21)17 (21)
Moderate9 (37)28 (36)
Poor10 (42)24 (32)
Astler-Coller staging27NS
Β25 (21)8 (11)
C111 (42)37 (47)
C29 (37)33 (42)
Size of liver disease (cm)NS
1-3 cm6 (21)25 (32)
4-6 cm12 (50)33 (42)
> 7 cm7 (29)20 (26)
Colon location
Right colon17 (67)15 (18)P < 0.005
Left colon5 (21)55 (71)P < 0.005
Rectum3 (12)8 (11)
Liver locationNS
Right lobe20 (83)61 (79)
Left lobe5 (17)17 (21)
Table 2 Intraoperative data of patients with synchronous colorectal metastases to the liver, operated on in one stage (Group A) and two stages (Group B) n (%)
Intraoperative dataGroup A(n = 25)Group B(n = 78)P
Major liver resections (≥ 3 segments)7 (25)23 (29)NS
Minor liver resections ( ≤ 2 segments)18 (67)55 (71)NS
Warm ischemic time (min)27 ± 932 ± 11NS
Operative time (min)260 ± 30340 ± 60P < 0.05
Transfusions (RBCs)2 ± 1.84 ± 1.5P < 0.05
Right hemicolectomies67%18%P < 0.05
Left hemicolectomies21%71%P < 0.05
Abdominoperineal resections12%11%NS
Table 3 Complications and hospital stay of patients with synchronous colorectal metastases to the liver, operated on in one stage (Group A) and two stage (Group B) n (%)
Postoperative dataOne-stage group(n = 25)Two-stage group(n = 78)P
Hospital mortality---
Wound infection2 (8)3 (4)P < 0.05
Chest infection4 (17)20 (26)P < 0.05
Pleural effusion5 (21)18 (24)NS
Bile leak2 (8)7 (9)NS
Subphrenic collections13 (12)8 (11)NS
Splenic rupture-1 (1)NS
Anastomotic leak-1 (1)NS
Rectovaginal fistula1 (4)-NS
Hemorrhage1 (4)1 (1)NS
Hospital stay (d)12 ± 620 ± 8P < 0.05