Invasive Angiographic Assessment of Coronary Graft Patency

2016 ◽  
pp. 515-530
Author(s):  
Daniel Nita ◽  
Florina Pinte ◽  
Viorel Goleanu ◽  
Ecaterina Bontas ◽  
Aqel Mohamed ◽  
...  
Keyword(s):  
Graft Patency

Surgical reconstruction for unilateral iliac artery lesions in patients younger than 50 years

VASA ◽  
2011 ◽  
Vol 40 (6) ◽  
pp. 474-481 ◽  
Author(s):  
Radak ◽  
Babic ◽  
Ilijevski ◽  
Jocic ◽  
Aleksic ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Limb Salvage ◽  
Iliac Artery ◽  
Graft Patency ◽  
Long Term Results ◽  
Surgical Reconstruction ◽  
Safe Procedure ◽  
Term Survival

Background: To evaluate safety, short and long-term graft patency, clinical success rates, and factors associated with patency, limb salvage and mortality after surgical reconstruction in patients younger than 50 years of age who had undergone unilateral iliac artery bypass surgery. Patients and methods: From January 2000 to January 2010, 65 consecutive reconstructive vascular operations were performed in 22 women and 43 men of age < 50 years with unilateral iliac atherosclerotic lesions and claudication or chronic limb ischemia. All patients were followed at 1, 3, 6, and 12 months after surgery and every 6 months thereafter. Results: There was in-hospital vascular graft thrombosis in four (6.1 %) patients. No in-hospital deaths occurred. Median follow-up was 49.6 ± 33 months. Primary patency rates at 1-, 3-, 5-, and 10-year were 92.2 %, 85.6 %, 73.6 %, and 56.5 %, respectively. Seven patients passed away during follow-up of which four patients due to coronary artery disease, two patients due to cerebrovascular disease and one patient due to malignancy. Limb salvage rate after 1-, 3-, 5-, and 10-year follow-up was 100 %, 100 %, 96.3 %, and 91.2 %, respectively. Cox regression analysis including age, sex, risk factors for vascular disease, indication for treatment, preoperative ABI, lesion length, graft diameter and type of pre-procedural lesion (stenosis/occlusion), showed that only age (beta - 0.281, expected beta 0.755, p = 0.007) and presence of diabetes mellitus during index surgery (beta - 1.292, expected beta 0.275, p = 0.026) were found to be significant predictors of diminishing graft patency during the follow-up. Presence of diabetes mellitus during index surgery (beta - 1.246, expected beta 0.291, p = 0.034) was the only variable predicting mortality. Conclusions: Surgical treatment for unilateral iliac lesions in patients with premature atherosclerosis is a safe procedure with a low operative risk and acceptable long-term results. Diabetes mellitus and age at index surgery are predictive for low graft patency. Presence of diabetes is associated with decreased long-term survival.

Nichtinvasive Beurteilung aortokoronarer Venenbrücken mit Kernspintomographie

1989 ◽  
Vol 28 (06) ◽  
pp. 234-242 ◽  
Author(s):  
U. Sechtem ◽  
Sabine Langkamp ◽  
M. Jungehülsing ◽  
H. H. Hilger ◽  
H. Schicha ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Coronary Artery ◽  
Magnetic Resonance ◽  
Coronary Artery Bypass ◽  
Spin Echo ◽  
Artery Bypass ◽  
Graft Patency ◽  
Coronary Artery Bypass Grafts ◽  
Resonance Imaging ◽  
Low Sensitivity

Fortyfour patients with recent cardiac catheterization because of recurrent chest pain after coronary artery bypass surgery were studied by magnetic resonance imaging to evaluate graft patency. To assess the efficacy of this non-invasive method 92 coronary artery bypass grafts were examined by the spin-echo technique. ECG-gated transversal sections were acquired between the diaphragm and the aortic arch. The specificity of magnetic resonance imaging was 83% (48/58) for patent grafts. However, the sensitivity in the detection of occluded bypasses was only 56% (19/34). Despite the good specificity, clinical applications of this method are limited because of its low sensitivity.

Oral Anticoagulation in the Prevention of One-Year Vein Graft Occlusion after Aortocoronary Bypass Surgery: Optimal Therapeutic Range and Practical Limitations

1994 ◽  
Vol 72 (05) ◽  
pp. 676-681 ◽  
Author(s):  
J van der Meer ◽  
H L Hillege ◽  
P H J M Dunselman ◽  
B J M Mulder ◽  
H R Michels ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
Major Bleeding ◽  
Oral Anticoagulation ◽  
Vein Graft ◽  
Oral Anticoagulant Therapy ◽  
Coronary Bypass ◽  
Graft Patency ◽  
Graft Occlusion ◽  
Coronary Bypass Grafts ◽  
One Year

SummaryTo assess the optimal level of oral anticoagulation to prevent occlusion of vein coronary bypass grafts, 318 patients from a graft patency trial were analysed retrospectively. Oral anticoagulant therapy was started one day before surgery and continued for one year, after which graft occlusion was assessed by angiography. The aimed level of anticoagulation was 2.8-1.8 International Normalized Ratio (INR). Clinical outcome was assessed by the incidence of myocardial infarction, thrombosis and major bleeding.The observed anticoagulation level was 2.8-4.8 INR for 54%, and 1.8-3.8 INR for 75% of time per patient. Occlusion rates in patients who spent <35, 35-70, and ≥70% of time within INR range 2.8-1.8 were 10.5%, 10.8% and 11.8%, respectively (differences not statistically significant). Patients who spent ≥70% of time within INR range 1.8-3.8 versus 2.8-4.8 showed comparable occlusion rates. The risk of graft occlusion was not related to quality of anticoagulation early (0-3 months) or late (3-12 months) after surgery. Myocardial infarction, thrombosis and major bleeding occurred in 1.3%, 2.0% and 2.9% of patients.To maintain vein graft patency in the first postoperative year by oral anticoagulation, a level within INR range 1.8-3.8 for ≥70% of time seems to be sufficient.

Noninvasive Follow-Up of Coronary Artery Bypass Graft Patency Using Multi-Slice Computed Tomography

2006 ◽  
Vol 55 (5) ◽  
pp. 451
Author(s):  
Seung Ho Joo ◽  
Byoung Wook Choi ◽  
Jae Seung Seo ◽  
Young Jin Kim ◽  
Tae Hoon Kim ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Coronary Artery ◽  
Coronary Artery Bypass Graft ◽  
Coronary Artery Bypass ◽  
Artery Bypass ◽  
Bypass Graft ◽  
Graft Patency ◽  
Artery Bypass Graft

Effect of Clopidogrel on Midterm Graft Patency following Off-Pump Coronary Revascularization Surgery

2006 ◽  
Vol 9 (6) ◽  
pp. E581-E856 ◽  
Author(s):  
Khalid Ibrahim ◽  
Ole Tjomsland ◽  
Dag Halvorsen ◽  
Rune Wiseth ◽  
Alexander Wahba ◽  
...  
Keyword(s):  
Coronary Revascularization ◽  
Graft Patency ◽  
Off Pump ◽  
Revascularization Surgery

Detection of Coronary Bypass Graft patency by 256-Slice Multi-detector Computed Tomography

2011 ◽  
Vol 02 (01) ◽  
pp. 6-15
Author(s):  
Lertlak Chaothawee ◽  
Kittipan Visudharom ◽  
Sucharath Warutama ◽  
Pongpan Poonsawat ◽  
Pradub Sukum ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Bypass Graft ◽  
Coronary Bypass ◽  
Graft Patency ◽  
Coronary Bypass Graft ◽  
Multi Detector Computed Tomography
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