A comparison of early mortality and morbidity after single and bilateral internal mammary artery grafting with the free right internal mammary artery.

Ashraf, S. S.; Shaukat, N; Akhtar, Khurram; Love, H. G.; Shaw, James A.; Rowlands, D J; Keenan, D

doi:10.1136/hrt.72.4.321

Cited by 8 publications

(8 citation statements)

References 26 publications

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“…Data from the UK’s Health Survey of England found that the prevalence of CVD was at least 30–40% higher in South Asians compared to Caucasians [11–13]. In the UK, it has been shown that second generation South Asians also have a higher risk for CVD [14]. Additionally, the SHARE study in Canada found the prevalence of CAD in South Asians to be more than twice that of Caucasians and Chinese [15].…”

Section: Introductionmentioning

confidence: 99%

Barriers to Lifestyle Behavioral Change in Migrant South Asian Populations

Patel

Phillips-Caesar

Boutin‐Foster

2011

J Immigrant Minority Health

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The purpose of this literature review is to describe and assess the cultural barriers to behavior change in migrant South Asians, given the high morbidity and mortality associated with cardiovascular disease in this population. We reviewed studies that explored the relationship between South Asian culture in the Diaspora and lifestyle behaviors. Our review produced 91 studies, of which 25 discussed the relationship between various aspects of South Asians’ belief system and their approach to modifying lifestyle habits. We identify 6 specific categories of beliefs which play the largest role in the difficulties South Asians describe with behavior change: gender roles, body image, physical activity misconceptions, cultural priorities, cultural identity, and explanatory model of disease. Future research and interventions should account for these cultural factors to successfully improve dietary habits and physical activity levels in migrant South Asian populations.

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Section: Introductionmentioning

confidence: 99%

Barriers to Lifestyle Behavioral Change in Migrant South Asian Populations

Patel

Phillips-Caesar

Boutin‐Foster

2011

J Immigrant Minority Health

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“…The success of myocardial revascularization mainly depends on long-term graft patency and the number of bypassed coronary arteries. Recently, it has been stated that the use of the bilateral internal mammary artery (BIMA) in coronary artery bypass grafting (CABG) operations has improved functional capacity, reduced the rate of reintervention, prolonged survival, and decreased the rate of reoperation without increasing morbidity and postoperative early mortality when compared to the use of the left internal mammary artery (LIMA) [Pick 1997;Tatoulis 1999;Lytle 1999;Endo 2001;Dewar 1995;Berreklouw 2001;He 1994;Ashraf 1994;Ioannidis 2001;Toker 2000]. Fiore and associates [1990] concluded that the right internal mammary artery (RIMA) to right coronary artery (RCA) anastomosis in BIMA-operated patients had good effects, reduced the long-term angina and myocardial infarction frequency, and decreased reintervention rate.…”

Section: Introductionmentioning

confidence: 99%

Using the Bilateral Internal Mammary Artery in the Left or Right Coronary Artery System: 5-Year Comparison of Operation Techniques and Angiographic Results

Toker¹,

Kırali²,

Balkanay³

et al. 2005

The Heart Surgery Forum

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“…A second arterial conduit to a non‐LAD target has less potential to impact on overall survival than the single left internal thoracic artery to the LAD. Solid evidence suggests, in fact, that in coronary artery bypass surgery, patient survival is mainly determined by the status of the LAD and that grafts to non‐LAD vessels are more likely to affect other cardiac end points (myocardial infarction, angina recurrence, and need for revascularization), but not overall survival . The LAD also can provide collaterals to other coronaries (commonly the right coronary); a persistently patent internal thoracic artery graft to the LAD can therefore supply not only the anterior wall, but, through collaterals, viable myocardium in other territories.…”

Section: Discussionmentioning

confidence: 99%

Unmeasured Confounders in Observational Studies Comparing Bilateral Versus Single Internal Thoracic Artery for Coronary Artery Bypass Grafting: A Meta‐Analysis

Gaudino

Franco

Rahouma

et al. 2018

JAHA

104

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BackgroundObservational studies suggest a survival advantage with bilateral single internal thoracic artery (BITA) versus single internal thoracic artery grafting for coronary surgery, whereas this conclusion is not supported by randomized trials. We hypothesized that this inconsistency is attributed to unmeasured confounders intrinsic to observational studies. To test our hypothesis, we performed a meta‐analysis of the observational literature comparing BITA and single internal thoracic artery, deriving incident rate ratio for mortality at end of follow‐up and at 1 year. We postulated that BITA would not affect 1‐year survival based on the natural history of coronary artery bypass occlusion, so that a difference between groups at 1 year could not be attributed to the intervention.Methods and ResultsWe searched MEDLINE and Pubmed to identify all observational studies comparing the outcome of BITA versus single internal thoracic artery. One‐year and long‐term mortality for BITA and single internal thoracic artery were compared in the propensity‐score–matched (PSM) series, that is, the form of observational evidence less prone to confounders. Thirty‐eight observational studies (174 205 total patients) were selected for final comparison. In the 12 propensity‐score–matched series (34 019 patients), the mortality reduction for BITA was similar at 1 year and at the end of follow‐up (incident rate ratio, 0.70; 95% confidence interval, 0.60–0.82 versus 0.77; 95% confidence interval, 0.70–0.85; P for subgroup difference=0.43).ConclusionsUnmeasured confounders, rather than biological superiority, may explain the survival advantage of BITA in observational series.

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A comparison of early mortality and morbidity after single and bilateral internal mammary artery grafting with the free right internal mammary artery.

Cited by 8 publications

References 26 publications

Barriers to Lifestyle Behavioral Change in Migrant South Asian Populations

Barriers to Lifestyle Behavioral Change in Migrant South Asian Populations

Using the Bilateral Internal Mammary Artery in the Left or Right Coronary Artery System: 5-Year Comparison of Operation Techniques and Angiographic Results

Unmeasured Confounders in Observational Studies Comparing Bilateral Versus Single Internal Thoracic Artery for Coronary Artery Bypass Grafting: A Meta‐Analysis

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