A & A case reports
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Epidural steroid injections are a common procedure performed by pain physicians. The American Society of Regional Anesthesia along with several other groups recently provided guidelines for performing epidural injections in the setting of anticoagulants. We present a case of a patient who developed an epidural hematoma and subsequent paraplegia despite strict adherence to these guidelines. Although new guidelines serve to direct practice, risks of devastating neurologic complications remain as evidenced by our case.
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Lactation or "bovine" ketoacidosis is a rare cause of raised anion gap metabolic acidosis whereby a perfect storm of negative calorie balance (starvation/glucose preferentially used for milk production) and insulin resistance (counter regulatory stress hormone release/infection) leads to a dysregulated ketogenic state. We present a case of life-threatening lactation-related ketoacidosis in a patient 9 weeks postpartum, who presented to the emergency department with an arterial pH of 6.88, HCO3 of 5.8 mmol/L and blood ketone level of 5.8 mmol/L. Treatment consists of aggressive glucose loading, triggering supraphysiologic endogenous insulin release, and subsequent inhibition of ketone body formation.
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Case Reports
Institutional Policy Changes to Prevent Cardiac Toxicity Associated With Bupivacaine Penile Blockade in Infants.
Dorsal penile nerve block is a widely used method of analgesia for infants undergoing penile surgery. Because of its potency, extended duration of action, and lack of vasoconstriction, bupivacaine remains the most commonly used local anesthetic. ⋯ As determined by retrospective medical record analysis, the incidence of complications associated with dorsal penile blockade in our institution was 0.075%. This was significantly higher than previously reported prompting a change in institutional policy that has eliminated penile block complications.
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In 2010, our department instituted a nonclinical, administrative rotation in operating room management for anesthesiology residents. Subsequently, we mandated the rotation for all senior anesthesiology residents in 2013. ⋯ A multiple-choice test was given to residents at the beginning and end of the rotation, and we compared the mean scores between residents who took the traditional course and residents who took the web-based module. We found no significant difference between the groups of residents, suggesting that the web-based module is as effective as traditional didactics.
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Reverse open shoulder arthroplasty requires a comprehensive analgesic plan involving regional anesthesia. The commonly performed interscalene brachial plexus blockade confers a high likelihood of diaphragmatic paralysis via phrenic nerve palsy, making this option riskier in patients with limited pulmonary reserve. Continuous blockade of the suprascapular nerve, a more distal branch of the C5 and C6 nerve roots, may be a viable alternative. We report a successful case of the use of a suprascapular nerve block with continuous programmed intermittent bolus perineural analgesia in a patient with severe chronic obstructive pulmonary disease who underwent reverse open shoulder arthroplasty.