Journal of anesthesia
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Journal of anesthesia · Jun 2017
Post-mastectomy cancer recurrence with and without a continuous paravertebral block in the immediate postoperative period: a prospective multi-year follow-up pilot study of a randomized, triple-masked, placebo-controlled investigation.
Retrospective studies have associated perioperative regional anesthesia/analgesia during mastectomy for breast cancer with a decreased incidence of cancer recurrence. However, to date, no prospective data from a randomized controlled trial have been reported. In a previous study we found that extending a single-injection paravertebral block with a multiple-day perineural local anesthetic infusion improves analgesia. This follow-up study investigates the rates of cancer recurrence for the single-injection and multiple-day infusion treatments. ⋯ This pilot study found no evidence that extending a single-injection paravertebral block with a multi-day perineural local anesthetic infusion decreases the risk of post-mastectomy cancer recurrence. However, due to the small sample size of this investigation, further research is needed to draw definitive conclusions.
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Journal of anesthesia · Jun 2017
A lateral paracarotid approach for ultrasound-guided stellate ganglion block with a linear probe.
Recent reports suggest that ultrasound-guided stellate ganglion block (SGB) is safer and more accurate than classic SGB by the using the surface anatomical landmark. However, previous reports concern the classic paratracheal approach using a small specialized curved probe, which may not be appropriate in some patients. The authors have attempted several approaches, including paratracheal, trans-thyroidal, lateral paracarotid, and lateral approaches, to find a safe and suitable method for real-time ultrasound-guided SGB using a standard high-frequency linear probe. ⋯ Side effects were minor and caused minimal discomfort; they included hoarseness and a foreign body sensation. No hematomas formed after any injections. We suggest that this new lateral paracarotid approach, with out-of plane needle insertion at the C6 tubercle under transverse scan, is a convenient and safe method for performing real-time ultrasound-guided SGB, as it provides a wide, safe space for needle passage without risking thyroid or esophageal injury.
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Journal of anesthesia · Jun 2017
Randomized Controlled TrialLow-dose carperitide (α-human A-type natriuretic peptide) alleviates hemoglobin concentration decrease during prolonged oral surgery: a randomized controlled study.
Surgical injury stimulates the renin-angiotensin-aldosterone system (RAAS) and causes antidiuresis, leading to postoperative oliguria. Carperitide (α-human A-type natriuretic peptide) is a cardiac peptide hormone secreted from the atrium. This peptide hormone enhances diuresis by suppressing the RAAS. In our experience, carperitide alleviates decreased hemoglobin (Hb) concentration during elective surgery. In the current study, we investigated the relationship between low-dose carperitide (0.01 µg/kg/min) and Hb concentration during oral surgery. ⋯ The Hb concentration in the group administered low-dose carperitide at 0.01 µg/kg/min remained higher than that in the control group during surgery. Administration of low-dose carperitide may therefore reduce the risk of blood transfusion during surgery.
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Journal of anesthesia · Jun 2017
ReviewPerioperative risk factors for death among patients with symptomatic pulmonary thromboembolism.
Perioperative pulmonary thromboembolism (PTE) is a fatal complication that may occur in patients who are undergoing surgery. This study aimed to identify risk factors for PTE-related death. This study evaluated data for the most recent 5-year period (2007-2011) from the Japanese Society of Anesthesiologists' database of patients who experienced perioperative PTE. ⋯ Logistic regression analyses revealed that male sex, an age of ≥ 80 years, bedridden status, heart failure, and the non-use of anticoagulant therapy were independent risk factors for PTE-related death. We found that male sex, an age of ≥ 80 years, bedridden status, heart failure, and the non-use of anticoagulant therapy were independent risk factors for perioperative PTE-related death. Therefore, appropriate interventions for bedridden patients and thromboprophylaxis using anticoagulants may help reduce the incidence of perioperative PTE-related mortality.