Venous air embolism, hypotension, and end-tidal nitrogen

Matjasko, M. Jane; Hellman, Judith; Mackenzie, Colin F.

doi:10.1097/00006123-198709000-00017

Cited by 3 publications

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“…In recent years, neuroanesthesiologists such as Basil Matta and Arthur Lam have used transcranial Doppler sonography monitoring of CBF velocity to assess cerebral vasospasm and instantaneous changes in CBF. [144][145][146][147] John Michenfelder introduced, and Maurice Albin and Leonid Bunnegin perfected, the use of right atrial catheters for the detection and retrieval of entrained air. These same scenarios have been evaluated by William Hoffman and others who placed within human brain tissues a multimodal probe to quantify focal brain pH and the partial pressures of oxygen and carbon dioxide.…”

Section: Facilitating the Clinical Practices And Research Within Othementioning

confidence: 99%

The History of Neuroanesthesiology

Lanier¹

2012

Journal of Neurosurgical Anesthesiology

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Neuroanesthesiology has a rich history. Although advances in research and clinical practice were cornerstones for the development of this field, other equally critical factors came into play. These include the development of subspecialty societies, formal dissemination of information through textbooks and journal publications, and, most importantly, strong leadership. This article reviews important advances within the subspecialty and many individuals behind those advances. The analysis and speculative synthesis provide insights into the current status of neuroanesthesiology and possible directions for the subspecialty's future.

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Section: Facilitating the Clinical Practices And Research Within Othementioning

confidence: 99%

The History of Neuroanesthesiology

Lanier¹

2012

Journal of Neurosurgical Anesthesiology

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“…Surgical positioning can affect perioperative and/or postoperative complication rates for many reasons, including proximity to nerves, issues with positioning, and surgical access. 11,14 The beach-chair and lateral decubitus positions are the 2 most common positions for shoulder arthroscopy, and each offers its own unique advantages and disadvantages for surgeons. 6,9,10,14,15 Beach-chair positioning allows for an easier transition to open surgery if necessary, has a quicker setup time, and also has a lower incidence rate of neuropathies, relative to lateral decubitus.…”

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confidence: 99%

Beach Chair Versus Lateral Decubitus Surgical Positioning for Arthroscopic Anterior Shoulder Stabilization: A Retrospective Comparison of Clinical and Patient-Reported Outcomes

Paul

Streicher

Osman

et al. 2022

Orthopaedic Journal of Sports Medicine

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Background: Surgical positioning can affect both perioperative and postoperative complication rates. It is unclear whether beach-chair versus lateral decubitus positioning affects outcomes in patients undergoing arthroscopic anterior shoulder stabilization surgery. Purpose: The purpose of this study was to compare recurrent instability, complications, and patient-reported outcomes between patients who underwent arthroscopic anterior shoulder stabilization in the beach-chair versus the lateral decubitus positions. It was hypothesized that recurrent instability, complications, and patient-reported outcomes would not be affected by surgical positioning. Study Design: Cohort study; Level of evidence, 3. Methods: The authors reviewed the medical records of patients who underwent shoulder stabilization ( Current Procedural Terminology codes 29806 and 29807) from 2015 to 2019. Patients were included only if anterior instability was confirmed, arthroscopic surgery was performed in response to shoulder instability, and a minimum of 2 years of follow-up data were available. Data collected for eligible patients included perioperative and postoperative complications, recurrent instability, reoperation, and revision. Patients also completed surveys for the American Shoulder and Elbow Surgeons (ASES) score, Single Assessment Numeric Evaluation (SANE) score, Oxford Shoulder Instability (OSI) score, and a return to any level of sport (RTS) questionnaire. Results: Overall, 294 patients (162 lateral decubitus and 132 beach-chair positions) were included, with an average follow-up of 2.4 ± 1.6 years. There were no significant differences in demographics between groups, nor were there differences in the rates of postoperative dislocations, subjective instability, reoperations, revisions, or complications. There was a trend toward a higher revision rate in the beach-chair group (beach-chair, 6.1% vs lateral decubitus, 1.9%; P = .069). There was no significant difference between groups regarding RTS rates or postoperative ASES, SANE, and OSI scores at 3.3 ± 1.1 years postoperatively. Conclusion: Surgical positioning for arthroscopic anterior shoulder stabilization did not significantly affect recurrent instability, complications, and patient-reported outcomes. Both beach-chair and lateral decubitus positioning provided good outcomes for anterior shoulder stabilization, with an overall recurrent dislocation rate of 7.8% at a mean of 3.3 years after surgery.

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Two cases of fatal air embolism in children undergoing scoliosis surgery

Sutherland

Winter

1997

Acta Anaesthesiol Scand

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Venous air embolism during surgery is a rare but important complication and can be rapidly fatal. We present two cases of fatal air embolism in the prone position occurring in small children undergoing surgery for progressive scoliosis. Venous air embolism is a rare complication in the prone position. This is thought to be because in this position there is virtually no gravitational gradient between the site of surgery and the right atrium. The possible sites of entry of air and ways that this may be minimized are discussed.

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Venous air embolism, hypotension, and end-tidal nitrogen

Cited by 3 publications

References 0 publications

The History of Neuroanesthesiology

The History of Neuroanesthesiology

Beach Chair Versus Lateral Decubitus Surgical Positioning for Arthroscopic Anterior Shoulder Stabilization: A Retrospective Comparison of Clinical and Patient-Reported Outcomes

Two cases of fatal air embolism in children undergoing scoliosis surgery

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