Journal of clinical anesthesia
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Meta Analysis
The incidence of aspiration associated with the laryngeal mask airway: a meta-analysis of published literature.
To determine the incidence of pulmonary aspiration with the laryngeal mask airway (LMA). ⋯ The evidence to date suggests that the pulmonary aspiration with the LMA is uncommon and comparable to that for outpatient anesthesia with the face mask and tracheal tube. Meticulous attention to selection of low-risk patients and appropriate operative procedures and avoidance of light anesthesia should reduce the incidence even further.
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Due to the risks of transfusion reactions and the transmission of infectious diseases, there has been increased interest in measures to limit intraoperative blood loss and avoid the need for homologous transfusion. Controlled hypotension is one technique that has been used to limit intraoperative blood loss. Several drugs have been used alone or in combination for controlled hypotension, including the inhalational anesthetics, direct acting vasodilators such as nitroglycerin and nitroprusside, beta adrenergic antagonists, and calcium channel blockers. Various drugs available to the clinician for controlled hypotension are reviewed.
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Cardiopulmonary bypass (CPB) does not appear to cause excessive maternal risk, but the potential for fetal complications is of great concern. In general, operative intervention should be delayed until at least the second trimester. ⋯ This conflict is further complicated by maternal status changes that may accompany valvular disease or develop after CPB. The case described herein summarizes and discusses these conflicts.
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The successful management of major conduction anesthesia in a patient with Klippel-Trenaunay syndrome is discussed. This case illustrates that major conduction anesthesia can be safely used if proper imaging studies are obtained, if one is aware of the underlying disease process, and if there is no port wine lesion in the dermatomal area corresponding to the spinal segment where the needle is to be inserted.
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Case Reports
Cesarean section in a pregnant patient with an anterior mediastinal mass and failed supradiaphragmatic irradiation.
Nodular sclerosing Hodgkin's disease stages IA and IIA are the most common presentation of this disease during pregnancy. Patients presenting with late Hodgkin's disease with failed irradiation for cesarean section present a unique challenge. ⋯ We report a case involving a pregnant patient at 34 weeks' gestation presenting for cesarean section with a symptomatic anterior mediastinal mass occupying over 50% of the thoracic diameter. The anesthetic management was performed using continuous spinal.