Cleveland Clinic journal of medicine
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The American College of Cardiology and American Heart Association updated their joint guidelines on perioperative cardiovascular evaluation and care for noncardiac surgery in 2007. The guidelines recommend preoperative cardiac testing only when the results may influence patient management. ⋯ In most instances, coronary revascularization before noncardiac surgery has not been shown to reduce morbidity and mortality, except in patients with left main disease. The timing of surgery following percutaneous coronary intervention (PCI) depends on whether a stent was used, the type of stent, and the antiplatelet regimen.
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Postoperative pulmonary complications are common, serious, and expensive. Important predictors of risk are advanced age, poor health as assessed by American Society of Anesthesiologists class, and surgery near the diaphragm. Effective strategies to reduce risk include postoperative lung expansion techniques, preoperative intensive inspiratory muscle training, postoperative thoracic epidural analgesia, selective rather than routine use of nasogastric tubes, and laparoscopic rather than open bariatric surgery.
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Perioperative anemia is associated with excess morbidity and mortality. Transfusion of allogeneic blood has been a longstanding strategy for managing perioperative anemia, but the blood supply is insufficient to meet transfusion needs, and complications such as infection, renal injury, and acute lung injury are fairly common. ⋯ Though ESAs reduce the need for perioperative blood transfusion compared with placebo, they are associated with an increased risk of thrombotic events in surgical patients. Cleveland Clinic has been developing a blood management program aimed at reducing allogeneic blood exposure for greater patient safety; the program has achieved some reduction in blood utilization in its first 7 months.
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Perioperative management of patients on warfarin or antiplatelet therapy involves assessing and balancing individual risks for thromboembolism and bleeding. Discontinuing anticoagulant and antiplatelet therapy is usually necessary for major surgery but increases the risk of thrombotic events. ⋯ The timing of warfarin withdrawal and timing of the preoperative and postoperative components of bridge therapy are critical to balancing these risks. Perioperative management of antiplatelet therapy requires special care in patients with coronary stents; the timing of surgery relative to stent placement dictates management in these patients.