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Grafts patency prediction of Transit-Time Flow Measurement for CABG postoperative one-year / 中华胸心血管外科杂志
Chinese Journal of Thoracic and Cardiovascular Surgery ; (12): 40-42,55, 2018.
Article in Chinese | WPRIM | ID: wpr-711717
ABSTRACT
Objective To study the value of parameters of Transit-Time Flow Measurement(TTFM) as predictor and judge for one-year after coronary artery bypass transplantation in patency rate of vessel grafts .Methods Parameters of quantity of blood flow and the value of PI( pulsation index) were measured and recorded by intraoperative TTFM in CABG .One-year of follow-ing up, coronary artery CT or coronary angiography examination were accomplished.Results Our study include artery grafts 46(including LIMA grafts 44, RIMA graft 1 and radial artery graft 1) with the patency rate of grafts 91.3% for one-year after CABG, and vein grafts 48 with the patency rate of grafts 66.7% .There exists statistically significant difference between above two groups(P<0.001).High PI is independent risk factor(P =0.037) in patency rate of vessel grafts for one-year after CABG by binary logistics regression analysis but no other parameters have the statistical significance (P>0.05) .The results from logistic regression were summarized using the area under the ROC curve(AUC) .The pulsation index has been found hav-ing moderate judgment ability(P=0.016) for the dysfunction of grafts after CABG for one-year with optimal cut-off value of 2. 45.Conclusion Intraoperative high value of PI is the independent risk factor in patency rate of vessel grafts for one-year after CABG.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study / Risk factors Language: Chinese Journal: Chinese Journal of Thoracic and Cardiovascular Surgery Year: 2018 Type: Article