Journal of clinical anesthesia
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Historically, the placement of internal jugular central venous lines has been accomplished by using external landmarks to help identify target-rich locations in order to steer clear of dangerous structures. This paradigm is largely being displaced, as ultrasound has become routine practice, raising new considerations regarding target locations and risk mitigation. Most human anatomy texts depict the internal jugular vein as a straight columnar structure that exits the cranial vault the same size that it enters the thoracic cavity. We dispute the notion that the internal jugulars are cylindrical columns that symmetrically descend into the thoracic cavity, and purport that they are asymmetric conical structures. ⋯ Understanding that the largest target area for central venous line placement is the lower portion of the right internal jugular vein will help to better target vascular access for central line placement. This is the first study the authors are aware of that depicts the internal jugular as a conical structure as opposed to the commonly depicted symmetrical columnar structure frequently illustrated in anatomy textbooks. This target area does come with additional risk, as the closer you get to the thoracic cavity, the greater the chances for lung injury.
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Minimally invasive and hybrid minimally invasive esophagectomy (MIE) is a technically challenging procedure. Anesthesia for the same is equally challenging due to special requirements of the video-assisted thoracoscopic technique used and shared operative and respiratory fields. ⋯ Prone positioning for thoracoscopic dissection facilitates gravity-dependant collapse of the operative side lung induced by a unilateral capnothorax, thus making the use of single-lumen endotracheal tube a feasible option for this surgery. We report our experience of 10 consecutive cases of minimally invasive esophagectomy conducted in prone position at our center and the use of single-lumen endotracheal tube for ventilation.
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Case Reports
An atypical presentation of chronic Stanford type A aortic dissection during pregnancy.
Aortic dissection is a rare but devastating disease during pregnancy, usually presenting with sharp pains on the chest or back. We report a pregnant woman suffering from chronic Stanford type A aortic dissection presented with atypical symptoms without pain in the third trimester with markedly dilated aortic root and congestive heart failure, who received concomitant cesarean delivery and aortic repair with good maternal and fetal outcomes. Multidisciplinary approach and tight hemodynamic control are very important. More attention should be paid to those atypical symptoms so as to early identify this scarce but disastrous disease during pregnancy.
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This study aimed to characterize the current practice patterns with cuffed tracheal tubes (CTT) in neonates, infants, and children among members of the Society of Pediatric Anesthesia (SPA). ⋯ A majority of SPA members routinely use CTT in neonates, infants and children.
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Obstetric anesthesiologists commonly care for high-risk obstetric patients. However, it is unclear how obstetricians refer these patients for anesthetic evaluation and whether obstetric anesthesia clinics (OACs) are used. Our study aims were to determine the availability and characteristics of OACs at US academic obstetric centers and to evaluate how high-risk patients are referred for anesthetic evaluation. ⋯ Our findings suggest that, among US academic centers, OACs are uncommon and the referral of high-risk patients for antenatal anesthetic evaluation is inconsistent. These findings suggest that more structured referral processes are needed to ensure that high-risk women receive anesthetic evaluation before labor or delivery.