Meta-analysis of surgical strategies for the treatment of concomitant abdominal aortic aneurysm and colorectal cancer / 中华消化外科杂志
Chinese Journal of Digestive Surgery
; (12): 374-376, 2010.
Article
em Zh
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ABSTRACT
Objective To evaluate the strategies and effect of surgical treatment for concomitant abdominal aortic aneurysm (AAA) and colorectal cancer (CRC). Methods Literatures on concomitant AAA and CRC published from January 1988 to December 2008 were retrieved from Pubmed, Sciencedirect, Ovid, CBMdisc, CNKI and et al, and correlated indexes were extracted for analysis. Differences among the groups were analyzed using the t test, chi-square test and fisher's exact test. Results A total of 367 cases of concomitant AAA and CRC treated by operation were retrieved. The length of operation delay of patients who received radical resection of CRC first was (115 ± 21 )days, which was significantly longer than (42 ± 8 )days of patients who received open abdominal aortic aneurysm repair (OAAR) first (t = 18. 9, P <0.05). The 30-day complication rate and accumulative length of hospital stay of patients who received one-stage radical resection of CRC + OAAR were 10.5% ( 12/114 )and (23 ±6) days, and 26.0% (47/181) and ( 16 ±4)days of patients who received two-stage radical resection of CRC + OAAR, with a significant difference ( χ2 = 10.42, t = 12. 01, P <0.05 ). The accumulative length of hospital stay of patients who received radical resection of CRC + endovascular aneurysm repair (EVAR) was (12 ±4) days, which was significantly shorter than that of patients who received radical resection of CRC + OAAR [ ( 19 ±5 ) days ] ( t = 9.48, P < 0. 05 ). The 4-year survival rate of patients who received two-stage radical resection of CRC + OAAR was 43.5% (27/62), which was significantly lower than that of patients who received two-stage radical resection of CRC + EVAR [69.2% (18/26) ] or one-stage radical resection of CRC + OAAR [73.7%(14/19) ] (χ2 =4.83, 5.28, P<0.05). Conclusions If the diameter of AAA is under 5 cm, radical resection of CRC should be firstly carried out; but if the diameter of AAA is above 5 cm, OAAR should be firstly carried out to prevent the rapture of tumors. One-stage surgery is better than two-stage surgery if patients could tolerate it.
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Systematic_reviews
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Zh
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Chinese Journal of Digestive Surgery
Ano de publicação:
2010
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Article