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OBJECTIVES Sputum retention after lung surgery is a potentially lethal condition, which can progress to atelectasis, pneumonia and respiratory failure requiring ventilatory support. Previous studies have concentrated on the treatment of postoperative respiratory complications but few have studied the risk factors for sputum retention. This prospective study(More)
BACKGROUND Infectious complications of median sternotomy carry significant morbidity and mortality. However, the outcomes of noninfectious sternal dehiscence have not been addressed. We have identified the preoperative characteristics, postoperative complications, and long-term functional outcomes of patients after reoperation for noninfectious sternal(More)
Ventricular assist device (VAD) therapy has been used successfully as a bridge to recovery, bridge to transplant and in the last decade as a destination therapy. The use of VAD for post-cardiotomy cardiogenic shock (PCCS) is not currently reported in national databases in the UK and Ireland. Data were collected through a telephone survey of chief(More)
BACKGROUND The number of alternatives to intra-aortic balloon counterpulsation in the treatment of anticipated and established acute circulatory failure is growing. Despite the clinical importance and significant cost of short-term mechanical circulatory support (MCS) devices, the state of their present use has not been analyzed on a national scale. (More)
BACKGROUND The impact of mitral regurgitation (MR) on elderly patients (> or = 70 years) undergoing isolated aortic valve replacement (AVR) is not clearly defined. This study investigates the long-term effects of preoperative, moderate MR on survival and functional outcome in elderly AVR patients. METHODS AND RESULTS A retrospective review identified 408(More)
This paper discusses wireless delivery of power from a distant source to an implanted cardiac device, and it proposes recharging implanted batteries using magnetically coupled resonators. ABSTRACT | Wireless data communication technology has eliminated wired connections for data transfer to portable devices. Wireless power technology offers the possibility(More)
Recent studies have shown the benefits of extracorporeal membrane oxygenation (ECMO) in supporting adults with severe respiratory or cardiac failure refractory to conventional treatments. The purpose of this investigation was to analyze the usage of ECMO in adults to identify recent trends within the United States. The usage of ECMO, the survival rates, and(More)
BACKGROUND Continuous hypothermic perfusion is a novel cardiac preservation technique. Reactive oxygen species play a role in ischemia reperfusion injury and limit organ preservation. Oxidative stress mediates a DNA mismatch lesion (7, 8-dihydro-8-oxoguanine [8-oxo-G]), which is repaired by the enzymes MutY homologue (MYH), 8-oxo-G glycosylase (OGG1), and(More)
OBJECTIVE Cardiac surgery for patients >80 years has seen a dramatic increase in the last decade. The aim was to assess the long term survival and quality of life in this patient population. METHOD Patients who underwent cardiac surgery between 1995 and 2007 were identified and case notes reviewed. Follow-up was undertaken by personal interview with the(More)