Risk-reduction interventions

All patients at risk of PPCs

Risk-reduction interventions

All patients at risk of PPCs should receive perioperative interventions in order to reduce PPCs. Apart from PF-6463922 manufacturer employing specific risk-reduction strategies to the above-mentioned risk factors, physicians should implement general interventions, such as lung expansion maneuvers, thromboprophylaxis, and regional anesthesia/analgesia to reduce the risk of PPCs [74]. Lung expansion techniques Lung expansion techniques, including deep-breathing exercises and incentive spirometry, are effective in reducing the risk of PPCs. Training on lung-expansion techniques should be provided to all patients at risk of PPCs. It has been shown that teaching patients these techniques preoperatively reduces pulmonary complications to a greater extent than instructions given after surgery [75]. Deep-breathing exercises and incentive spirometry are equally effective in reducing the risk of PPCs, and the latter is less labor-intensive [76]. A review found that these techniques consistently reduced the relative risk of pulmonary complications by approximately 50% [77]. If patients at high-risk of PPCs are not able to perform these techniques, postoperative

CPAP is a good alternative [78, 79]. Prophylaxis for venous thromboembolism Patients with hip fracture are at high risk for the selleck kinase inhibitor development of venous thromboembolism (VTE), including deep-vein thrombosis (DVT) and subsequent pulmonary embolism. Guidelines from the American College of Chest Physicians recommend that thromboprophylaxis should be administered among all patients undergoing hip fracture surgery for 10–35 days [80]. The drugs of choice include synthetic pentasaccharide (e.g., fondaparinux), low-molecular-weight heparin (LMWH), low-dose unfractionated heparin (LDUH), and vitamin K antagonist (e.g., warfarin, targeting INR 2 to 3). As concern for the timing of initiation, it is common to start thromboprophylaxis before surgery because DVT may begin during surgery [81]. However,

recent evidence favors starting thromboprophylaxis after surgery due to the see more following reasons: (1) it provides comparable protection to the preoperative initiation of thromboprophylaxis [82], (2) it does not interfere with decisions about the use of regional anesthesia, and (3) it does not contribute to intraoperative bleeding. Tyrosine-protein kinase BLK For hip fracture patients whose surgery is likely to be delayed, thromboprophylaxis with short-acting anticoagulant (e.g., LMWH or LDUH) should be initiated during the interval between hospital admission and surgery [80]. It should be noted that symptomatic breakthrough VTE, primarily distal DVT, may develop in 9% of patients undergoing hip fracture surgery despite standard thromboprophylaxis [83]. Recent studies have shown that dabigatran etexilate, an oral direct thrombin inhibitor not requiring frequent laboratory monitoring as warfarin, is at least as effective as LMWH for the prevention of VTE following major orthopedic surgery [84, 85].

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