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Jonathan Hart

Publications and source records attributed to Jonathan Hart.

3 recordsLinked to original sources

Expanded use of suction and stabilization devices in cardiothoracic surgery.

BACKGROUND: Recent developments in beating heart instrumentation have allowed surgeons to perform multivessel off-pump coronary artery bypass surgery by overcoming the factors that impair surgical performance (limited visualization, continuous movement of the target area, and hemodynamic instability during exposure of the inferior and posterior parts of the heart). We have explored the possibility of further expanding apical and epicardial suction devices beyond their ordinary use in coronary artery surgery. METHODS: A retrospective review of our cardiac surgery database was undertaken to identify the incidences in which these devices have been used in a somewhat novel manner in the field of cardiac surgery. RESULTS: During this time period we identified 20 instances in which either apical or epicardial suction devices were used alone or together. The nature of the procedures included dividing pericardial adhesions (pericardiectomy, n = 2; dividing adhesions in redo-coronary surgery, n = 4), securing epicardial hemostasis (penetrating cardiac trauma, n = 2; securing hemostasis during reexploration after cardiac surgery, n = 10), and facilitating epicardial microwave ablation (n = 2). On all 20 occasions the intended procedures were undertaken uneventfully. Furthermore, the use of apical and epicardial devices greatly facilitated the operative procedures and avoided the use of cardiopulmonary bypass on all occasions. CONCLUSIONS: In summary, we would like to highlight the expanding role for apical and epicardial suction devices to an area beyond coronary artery surgery in which we have found their use invaluable.

Atrial Fibrillation↗

Leg wound infection after coronary artery bypass grafting: a meta-analysis comparing minimally invasive versus conventional vein harvesting.

The great saphenous vein remains the most commonly harvested conduit for revascularization in coronary artery bypass grafting (CABG). Our aim is to compare minimally invasive vein harvest techniques to conventional vein harvest with regards to leg wound infection rates. A meta-analysis of identified randomized controlled trials, reporting a comparison between the two techniques published between 1965 and 2002, was undertaken. The outcome of interest was leg wound infection. Fourteen randomized studies were identified and included in the meta-analysis. Our study revealed that wound infection was significantly lower in the minimally invasive vein harvest group (odds ratio 0.22 with 95% confidence intervals of 0.14 to 0.34). Our study suggests that using minimally invasive techniques might reduce leg wound infection rate following great saphenous vein harvesting for CABG. Further research is required to evaluate the potential benefits of minimally invasive vein harvesting techniques on the cost of postoperative care and quality of the harvested vein.

Coronary Artery Bypass↗