Coronary pathology predicts conduction disturbances after coronary artery bypass grafting

Mosseri, Morris; Meir, Gilath; Lotan, Chaim; Hasin, Yonathan; Applebaum, Azai; Rosenheck, Shimon; Shimon, D; Gotsman, Mervyn S.

doi:10.1016/0003-4975(91)90796-s

Cited by 35 publications

(20 citation statements)

References 9 publications

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“…This is important because other previous studies also reported parallel results showing that patients with conduction defects tend to have a specific distribution of coronary lesions. [3][4][5] In this study, the coronary anatomies of all 203 consecutive patients who are candidates for a pacemaker are known, whether symptomatic or not. As shown in Table I, none of the parameters, including age, was statistically significant to indicate which patients with conduction defects have concomitant coronary artery disease.…”

Section: Discussionmentioning

confidence: 99%

Locations of Coronary Artery Lesions in Patients With Severe Conduction Disturbance

Yeşìl¹,

Arıkan

Postaci

et al. 2008

Int. Heart J.

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SUMMARYThe relation between conduction disturbances and coronary pathology is often uncertain. The aim of this study was to examine the location of coronary lesions in patients who have an indication for a permanent pacemaker.Between 2001 and 2006, 203 consecutive patients (121 men (59%), mean age, 65 ± 10) who had severe conduction disturbance underwent coronary angiography before pacemaker implantation. Third degree AV block was present in 172 (84%), sick sinus syndrome in 21 (11%), and Mobitz II, second degree AV block in 10 (5%). The coronary angiographic study included stenosis severity and classification of pathological anatomy. Sixty-two age-matched subjects with coronary artery lesions > 50% but without conduction disturbance made up the control group. The locations of coronary lesions were classified as follows: Type I: Lesions not related to septal branches or AV node (AVN) artery; Type II: Lesions involving the septal perforators of LAD but not RCA; Type III: Lesions compromising blood supply to SAN or AVN (No LAD septal involvement); and Type IV: Combination of Type II and Type III.Of 203 patients, insignificant coronary pathology was found in 141 (70%-group X). Sixty-two patients (30%) had coronary stenoses > 50% (group I) and Type II coronary anatomy was the most prevalent (n = 24, 38.7%), followed by Type IV (n = 22, 35%). Type III was found in 10 (16%) and Type I in 6 (9.6%). This distribution of CAD was significantly different from the control group in whom the most prevalent lesion locations were Type III and I (39% and 31%, respectively) (P < 0.05).Patients with severe conduction disturbances tend to have a specific coronary lesion distribution that involves either proximal LAD branches or a combination of this with significant RCA disease, compromising supply to sinoatrial or AV nodes. (Int Heart J 2008; 49: 525-531)

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Section: Discussionmentioning

confidence: 99%

Locations of Coronary Artery Lesions in Patients With Severe Conduction Disturbance

Yeşìl¹,

Arıkan

Postaci

et al. 2008

Int. Heart J.

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“…Mosseri et al1) reported that conduction disturbances were more frequent in patients with compromised blood flow of the septal branches after coronary artery bypass grafting (CABG) operation. They analyzed the association of conduction disturbance and the location of CAD in 43 patients, who had permanent pacemaker implantation and coronary angiography (CAG), by classifying coronary pathology into 4 categories (Table 1), and reported that compromised blood flow to septal branch and right coronary artery (RCA, type IV anatomy) was significantly associated with severe conduction disturbances 2).…”

Section: Introductionmentioning

confidence: 99%

Reversibility of Atrioventricular Block According to Coronary Artery Disease: Results of a Retrospective Study

Hwang

Seo

et al. 2012

Korean Circ J

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Background and ObjectivesThe causal relationship of clinically-significant atrioventricular block (AVB) and coronary artery disease (CAD) is uncertain. We investigated whether CAD is related to irreversible AVB that requires treatment with a permanent pacemaker.Subjects and MethodsWe included 188 consecutive patients with new-onset AVB considering pacemaker, who had undergone invasive or noninvasive coronary evaluation. Patients were divided into one of 2 groups: irreversible AVB who underwent implantation of permanent pacemaker {irreversible block (IB) group, n=173} or reversible AVB {reversible block (RB) group, n=15}.ResultsIn IB group, significant CAD was observed in 44 patients (25.4%) and there were 2 (1.2%) patients with acute myocardial infarction (AMI). In RB group, 14 patients (93.3%) had CAD (p<0.001) and 13 patients (86.7%) presented with AMI (p<0.001). On the aspect of CAD type and reversibility of AVB, 13/15 (86.7%) patients of AMI, 0/2 (0%) of unstable angina, and 1/41 (2.4%) of stable angina had reversible AVB.ConclusionAVB in patients with AMI is usually reversible. Therefore, permanent pacemaker implantation should be delayed in cases of AMI. AVB in patients with CAD other than AMI is usually irreversible.

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“…Mosseri et al [25] found a clear association between postoperative rhythm disturbances and the first septal perforator branch of the left anterior descending artery and found that the lesions in the left anterior descending coronary artery, which was impaired in the first perforator, produced local damage and transmission disorders after CABG.…”

Section: Discussionmentioning

confidence: 99%

Does combined antegrade and selective coronary graft cardioplegia reduce conduction defects in right coronary artery occluded patients?

Uğur¹,

Kalender²,

Gökmengil³

et al. 2018

Journal of Surgery and Medicine

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How to cite / Atıf için: Uğur O, Kalender M, Gökmengil H, Bingöl H. Does combined antegrade and selective coronary graft cardioplegia reduce conduction defects in right coronary artery occluded patients? J Surg Med. 2018;2(1):1-5. AbstractAim: Post coronary artery bypass grafting (CABG) procedure conduction disturbances may appear due to many reasons. In this particular study we compared postoperative cardiac rhythm disturbances in right coronary artery (RCA) occluded patients, which cardioplegia disturbed with antegrade aortic and continuous retrograde way versus antegrade plus continue right coronary graft. Methods: A total of 104 patients with right coronary artery occlusion who underwent isolated CABG procedure between 2011 and 2017 were included. The number of female patients was 43 (41.4%). Left bundle branch, left branch hemi block, and left branch hemi block and 3rd degree atrioventricular blocks were evaluated in the early postoperative period.

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Coronary pathology predicts conduction disturbances after coronary artery bypass grafting

Cited by 35 publications

References 9 publications

Locations of Coronary Artery Lesions in Patients With Severe Conduction Disturbance

Locations of Coronary Artery Lesions in Patients With Severe Conduction Disturbance

Reversibility of Atrioventricular Block According to Coronary Artery Disease: Results of a Retrospective Study

Does combined antegrade and selective coronary graft cardioplegia reduce conduction defects in right coronary artery occluded patients?

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