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Showing PubMed Articles 1–25 of 523 from Journal of anesthesia

Pulsed radiofrequency on radial nerve under ultrasound guidance for treatment of intractable lateral epicondylitis.

Lateral epicondylitis is a painful and functionally limiting disorder. Although lateral elbow pain is generally self-limiting, in a minority of people symptoms persist for a long time. When various conservative treatments fail, surgical approach is recommended. Surgical denervation of several nerves that innervate the lateral humeral epicondyle could be considered in patients with refractory pain because it denervates the region of pain. Pulsed radiofrequency is a minimally invasive procedure that improves ...

Fluoroscopically guided tunneled trans-caudal epidural catheter technique for opioid-free neonatal epidural analgesia.

Epidural analgesia confers significant perioperative advantages to neonates undergoing surgical procedures but may be very technically challenging to place using a standard interlaminar loss-of-resistance to saline technique given the shallow depth of the epidural space. Thoracic epidural catheters placed via the caudal route may reduce the risk of direct neural injury from needle placement, but often pose higher risks of infection and/or improper positioning if placed without radiographic guidance. We pres...

Comparison of fluid leakage across endotracheal tube cuffs using a three-dimensional printed model of the human trachea.

The objective of this study was to compare fluid leakage across endotracheal tube cuffs using a three-dimensional (3D)-printed human tracheal model that anatomically simulates the human trachea. We made two models based on computed tomography data of the neck and chest. Using a Mallinckrodt Hi-Lo™ (HL), ThinCuff(®) (TC), and Mallinckrodt TaperGuard™ (TG), we sequentially measured the amount of fluid leakage across each endotracheal tube cuff after applying saline or viscous liquid above the cuff. The T...

Force and location between direct and indirect laryngoscopes.

Computational simulation and comparison of prothrombin complex concentrate dosing schemes for warfarin reversal in cardiac surgery.

Prothrombin complex concentrate (PCC) is increasingly used for acute warfarin reversal. We hypothesized that computational modeling of thrombin generation (TG) could be used to optimize the timing and dose of PCC during hemodilution induced by cardiopulmonary bypass (CPB).

Limitation in monitoring depth of anesthesia: a case report.

Although we describe a clinical situation that most likely occurs in hundreds of operatory rooms in the world, we report this case as provocation. It concerns an unexpected awakening from an appropriate depth of anesthesia, although the BIS monitor showed a BIS index of less than 50 for a prolonged period before and after the event. Approximately 30 min after induction of anesthesia, the patient had a hypothetic sudden arousal of consciousness, with spontaneous movements, facial muscle activation, intolera...

Simulation-based airway management training: application and looking forward.

Within the airway management field, simulation has been used as a tool of training for over 40 years. Simulation training offers a chance of active involvement for the trainees. It can effectively enhance and upgrade the knowledge and skills of the trainees in airway management, and subsequently decrease medical errors and improve patients' outcomes and safety through a variety of airway management training modalities, such as common airway skills, difficult airway management strategies, and crisis managem...

Utility of x-plane TEE imaging in giant right atrial myxoma.

Effect of glycopyrrolate versus atropine coadministered with neostigmine for reversal of rocuronium on postoperative catheter-related bladder discomfort in patients undergoing transurethral resection of bladder tumor: a prospective randomized study.

Muscarinic receptors are involved in the mechanism of postoperative catheter-related bladder discomfort (CRBD). Glycopyrrolate and atropine as adjuncts to reversal of neuromuscular blockers have differential inhibitory effects on muscarinic receptors. This study was conducted to compare the effect of glycopyrrolate versus atropine on postoperative CRBD in patients undergoing transurethral resection of a bladder tumor (TURBT).

The effects of intravenous fosaprepitant and ondansetron in the prevention of postoperative nausea and vomiting in patients who underwent lower limb surgery: a prospective, randomized, double-blind study.

Postoperative nausea and vomiting (PONV) is the most common complication after surgery, and opioid administration increases its incidence. We compared the preventive effects of fosaprepitant, a neurokinin-1 (NK1) receptor antagonist, with those of ondansetron on PONV in patients who underwent lower limb surgery with postoperative epidural opioid administration.

Pain sensitivity: a feasible way to predict the intensity of stress reaction caused by endotracheal intubation and skin incision?

Recent studies have shown that pain sensitivity has a significant relationship with clinical pain and may also predict the intensity of pain and analgesic consumption after surgery. However, the correlation between pre-operative pain sensitivity and stress response during anesthesia has not been investigated. Therefore, we aimed to explore the relationship between pre-operative pain sensitivity and stress responses during intubation and skin incision in this study.

Beta-adrenergic antagonists during general anesthesia reduced postoperative pain: a systematic review and a meta-analysis of randomized controlled trials.

We have performed a systematic literature review and a meta-analysis investigating the effect of beta-adrenergic antagonist on perioperative pain in randomized clinical trials (RCTs). The search included the CENTRAL, CINAHL, EMBASE, and MEDLINE databases (from inception to 10 February 2015). From the retrieved full texts, we hand-searched the references and PubMed related citations. A total of 11 RCTs consisting data of 701 adult patients were eligible for this systematic review. Esmolol was evaluated in te...

Factors affecting survival in pediatric cardiac tamponade caused by central venous catheters.

Pediatric central venous catheter (CVC) placement is useful but associated with complications such as cardiac tamponade. We aimed to identify risk factors for death in cardiac tamponade. Published articles on pediatric CVC-associated cardiac tamponade were obtained by searching PubMed and Google and retrospectively reviewed to analyze risk factors for death. Factors examined for their effect on mortality risk included patient age, weight, CVC size, days from CVC insertion to tamponade occurrence, substances...

Percutaneous adjustment method for transversely migrated spinal cord stimulation leads: a technical report.

Lead migration is the most common complication of spinal cord stimulation (SCS). However, the only corrective method for lead migration is revision surgery, which may cause additional complications. Here, we describe a new technique for adjusting a transversely migrated SCS lead. The medical records of four patients diagnosed with complex regional pain syndrome (n = 3) or failed back surgery syndrome (n = 1) who underwent implantation of percutaneous leads for SCS were retrospectively reviewed. Transver...

Lanthanum carbonate hydrate causes artifacts on ultrasound.

Clinical applications of intravenous lipid emulsion therapy.

Intravenous lipid emulsion (ILE; Intralipid) therapy, a standard treatment in local anesthetic toxicity, has demonstrated therapeutic efficacies for a number of different drug class-mediated toxicities. Some of these varied drug groups include antipsychotics, antidepressants, antiarrhythmics, and calcium channel blockers. To meet the objective of describing the growing number of indications for Intralipid therapy and any diverse effects and/or failures of Intralipid therapy in reversing multiple drug toxici...

The combination of insulin-like growth factor 1 and erythropoietin protects against ischemic spinal cord injury in rabbits.

Insulin-like growth factor 1 (IGF-1) and erythropoietin (EPO) have been reported to independently protect against ischemic spinal cord injury in rabbits. In the present study, we investigated whether the combination of IGF-1 and EPO protects against ischemic spinal cord injury in rabbits.

Association between childhood exposure to single general anesthesia and neurodevelopment: a systematic review and meta-analysis of cohort study.

Many studies have been done to seek the relationship between general anesthesia and neurodevelopment in pediatrics. However, there is no unified conclusion, especially single anesthesia affecting a child before 3 and 4 years. The association between anesthesia and neurodevelopment is studied using a meta-analysis.

Is postoperative delirium a relevant outcome?

Sevoflurane suppresses hypoxia-induced growth and metastasis of lung cancer cells via inhibiting hypoxia-inducible factor-1α.

Hypoxia promotes the progression of lung cancer cells. Unfortunately, anesthetic technique might aggravate hypoxia of lung cancer cells. Sevoflurane is a commonly used anesthetic. Its effect on hypoxia-induced aggressiveness of lung cancer cells remains unknown. The aim of the study is to investigate the effects of sevoflurane on hypoxia-induced growth and metastasis of lung cancer cells. As hypoxia-inducible factor-1α (HIF-1α) plays a pivotal role in mediating the adaptation and tolerance of cancer cells...

Perioperative implications and management of dextrocardia.

Dextrocardia, a term used to describe all varieties of developmental malformations resulting in the positioning of the heart in the right hemithorax, is linked to a number of highly significant cardiac disorders. Current estimates vary tremendously in the literature. Only about 10 % of patients with diagnosed dextroversion show no substantial cardiac pathology; however, the incidence of congenital heart defects associated with dextrocardia is close to 100 %. The majority of studies previously reported inc...

D-dimer testing cannot rule out thromboembolism after major lower extremity arthroplasties and thromboprophylaxis treatment.

Our previous study showed, for the first time, that a guideline-recommended thromboprophylactic strategy reduced the prevalence of venous thromboembolism (VTE) including venous thromboembolism and pulmonary embolism after arthroplasties of the major lower extremities, such as total hip arthroplasty (THA) or total or partial knee arthroplasty (TPKA), to 4.4 %. In this retrospective study, we examined the diagnostic value of D-dimer for VTE and try to confirm the low prevalence of VTE after THA or TPKA.

Current status of anesthesia residency in Taiwan: a questionnaire survey.

There are 26 teaching hospitals in Taiwan that provide anesthesia residency training programs (one program per hospital), and only an average of 40 medical graduates are accepted for residency training per year. The aim of this study is to understand how this situation affects the learning and working conditions of anesthesia residents in Taiwan.

Laryngoscopy facilitates successful i-gel insertion by novice doctors: a prospective randomized controlled trial.

This study investigated the hypothesis that the efficacy of insertion of the supraglottic device i-gel(®) (i-gel) can be improved by laryngoscopy and can provide better sealing pressure in anesthetized patients by novice doctors.

Estimation of the success rate of anesthetic management for thymectomy in patients with myasthenia gravis treated without muscle relaxants: a retrospective observational cohort study.

Although maintaining anesthesia for myasthenia gravis (MG) with minimal muscle relaxants (MR) is common, the success rate of anesthetic management for MG without MR is not clear. We therefore retrospectively examined the success rate of anesthetic management for MG without MR among 66 consecutive cases of thymectomy for MG performed at our hospital between January 2004 and April 2010, before approval of using sugammadex. A total of 60 patients (90.9 %) were treated without MR (N group). Among the 60 cases,...

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