Anesthesiology clinics of North America
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Anesthesiol Clin North America · Sep 2001
ReviewAnesthesia considerations for lung volume reduction surgery.
Patient selection is of crucial importance for outcome after lung volume reduction surgery. The anesthesiologist should be involved actively in patient selection, because he or she is in charge of the treatment during the critical perioperative period. Patient history and status and results from chest radiographs, high-resolution CT scans, and catheterization of the right heart should be taken carefully into account in the patient selection process. ⋯ The anesthesiologist's understanding of the principles involved is important for the successful conduct of lung volume reduction surgery. It is unclear if lung volume reduction surgery is superior to conventional therapy in the long run because the decline in lung function is progressive after the procedure. A multicenter trial comparing patients undergoing lung volume reduction surgery with patients with emphysema who are treated conventionally hopefully will clarify this important question in the future.
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Because of recent advances in anesthesia and surgery, almost any patient with a resectable lung malignancy is now an operative candidate, given a full understanding of the risks and provided he or she is investigated appropriately. This progress necessitates a change in the paradigm that one uses for preoperative assessment. Understanding and stratifying the perioperative risks allows the anesthesiologist to develop a systematic focused approach to these patients at the time of the initial contact and immediately before induction, which then can be used to guide anesthetic management (Fig. 7).
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Anesthesiol Clin North America · Sep 2001
ReviewLessons from lung transplantation for everyday thoracic anesthesia.
Patients with end-stage lung disease are at significant risk of hypoxia and dynamic hyperinflation during mechanical ventilation, particularly during one-lung ventilation. This article describes aspects of care such as patients, including acceptance of permissive hypercapnia, adjustment of ventilator settings, and methods to optimize recovery from anesthesia.
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Left-sided double-lumen endotracheal tubes should be the tube of choice for most cases in which lung isolation is required. A right-sided double-lumen endotracheal tube can be used effectively when a contraindication to placing a left-sided double-lumen endotracheal tube exists. ⋯ Based on clinical reports, Univents or WEB blockers may be a better choice for patients with difficult airways who require one-lung ventilation or for when a selective lobar blockade is needed. For all selective intubation, the method of choice for proper tube placement and bronchial blockade is fiberoptic bronchoscopy with the patient in a supine position at first or in a lateral decubitus position later, or if a malposition occurs.
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Pain relief has come a long way in 20 years. Many aspects of the relief of pain of thoracic surgery must be rationalized and modernized to meet the demands placed on services and subject to new dynamics. To place the present state of practice and knowledge in the context of an anticipation that such attitudes will impact on and, ultimately, drive services for relief of pain, the key issues of safety, defining and measuring quality, and giving value for money must be addressed. ⋯ Disaggregation analysis, pain profiling, a revisitiation of respiratory restoration factor, and optimization modeling are suggested ways forward to meet the clinical and organizationally holistic population forces being generated on the cusp of the third millennium. Increasingly, we live in a world defined by guidelines and protocols. The challenge is ensuring that these measure up to the watchwords--effective, safe, affordable.