Interactive cardiovascular and thoracic surgery
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Interact Cardiovasc Thorac Surg · Jun 2012
ReviewIs routine chest radiography indicated following chest drain removal after cardiothoracic surgery?
A best evidence topic was written according to a structured protocol. The question addressed was whether routine chest radiography is indicated following chest drain removal in patients undergoing cardiothoracic surgery. A total of 356 papers were found using the reported searches; of which, 6 represented the best evidence to answer the clinical question. ⋯ We conclude that there is evidence that routine post drain removal CXR provides no diagnostic or therapeutic advantage over clinically indicated CXR or simple clinical assessment. The best evidence studies reported the detection of pathology on routine CXR ranging from 2 to 40% compared with 79% in clinically indicated CXRs (P = 0.005). Whilst the rate of intervention following routine CXR was as high as 4% in the smallest study, clinical signs and symptoms suggestive of pathology were a significant predictor of major re-intervention (P < 0.01).
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At Odense University Hospital (OUH), 5-9% of all unselected cardiac surgical patients undergo reoperation due to excessive bleeding. The reoperated patients have an approximately three times greater mortality than non-reoperated. To reduce the rate of reoperations and mortality due to postoperative bleeding, we aim to identify risk factors that predict reoperation. ⋯ Reoperated patients significantly had a greater increase in postoperative s-creatinine and higher mortality. Surviving reoperated patients significantly had a lower EuroSCORE and a shorter time on ECC compared with non-survivors. The average time to re-exploration was 155 min longer for non-survivors when compared with survivors.
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Interact Cardiovasc Thorac Surg · Jun 2012
ReviewIs limited pulmonary resection equivalent to lobectomy for surgical management of stage I non-small-cell lung cancer?
A best evidence topic in thoracic surgery was written according to a structured protocol. The question addressed was: is limited pulmonary resection equivalent to lobectomy in terms of morbidity, long-term survival and locoregional recurrence in patients with stage I non-small-cell lung cancer (NSCLC)? A total of 166 papers were found using the reported search; of which, 16 papers, including one meta-analysis and one randomized control trial (RCT), represented the best evidence to answer the clinical question. The authors, journal, date and country of publication, patient group studied, study type, relevant outcomes and results of these papers are tabulated. ⋯ In conclusion, lobectomy is still recommended for younger patients with adequate cardiopulmonary function. Although limited resection carries a decreased rate of complications and shorter hospital stays, it may also carry a higher rate of loco-regional recurrences. However, limited resection may be comparable for patients >71 years of age, and those with small peripheral tumours.
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Interact Cardiovasc Thorac Surg · Jun 2012
ReviewIs cold or warm blood cardioplegia superior for myocardial protection?
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether the use of warm or cold blood cardioplegia has superior myocardial protection. More than 192 papers were found using the reported search, of which 20 represented the best evidence to answer the clinical question. ⋯ A minority of studies suggested a benefit of cold cardioplegia over warm in particular patient subgroups: One group conducted a retrospective study of 520 patients who required prolonged aortic cross-clamp times, results demonstrated less myocardial damage and reduced postoperative cardiac mortality and morbidity in the cold group. The clinical bottom line is that warm and cold cardioplegia result in similar short-term mortality. However, large studies have shown that warm cardioplegia reduces adverse post-operative events; the significance of which is unclear.