Reducing the carbon footprint of operating rooms through education on the effects of inhalation anesthetics on global warming: A retrospective study.

Environmental concerns, especially global warming, have prompted efforts to reduce greenhouse gas emissions. Healthcare systems, including anesthesia practices, contribute to these emissions. Inhalation anesthetics have a significant environmental impact, with desflurane being the most concerning because of its high global warming potential.

Concordance of esophageal and tracheal temperatures in patients using breathing circuit with heated wire humidifier: A prospective observational study.

After excluding 4 patients with an anesthesia duration of < 2 hours, data from 34 patients (1163 sets of tracheal and esophageal temperatures) were analyzed. Concordance correlation coefficient was 0.78.

Effect of local warming for arterial catheterization in adult cardiac surgery: a randomized controlled trial.

Background: The increase in internal diameter (ID) and cross-sectional area (CSA) may facilitate better arterial catheterization. Since an increase in body temperature can cause peripheral vasodilation, we aimed to determine if local warming of the radial artery (RA) catheterization site could improve the success rate of catheterization.

Methods: This randomized, controlled study enrolled 160 patients aged >18 years who were scheduled for heart surgery.

Lidocaine intensifies the anti-osteogenic effect on inflammation-induced human dental pulp stem cells via mitogen-activated protein kinase inhibition.

Background/purpose: Human dental pulp stem cells (hDPSCs) are an emerging source of mesenchymal stem cells (MSCs) for bone tissue regeneration and engineering. In bone regeneration using transplanted MSCs, the extracellular environment or co-injected drugs can affect their success or failure. In this study, we investigated the effects and signaling mechanisms of lidocaine on osteogenic differentiation of hDPSCs after inducing inflammatory conditions with lipopolysaccharide (LPS) and tumor necrosis factor-alpha (TNF-α).

Lidocaine inhibits osteogenic differentiation of human dental pulp stem cells .

Objective: Lidocaine is an amide local anaesthetic commonly used for pain control, however, few studies have investigated the effect of lidocaine on the osteogenic differentiation of human dental pulp stem cells (HDPSCs). The present study aimed to determine the effect of lidocaine on HDPSC viability and osteogenic differentiation.

Methods: HDPSCs were incubated with 0, 0.

Comparison of Continuous and Programmed Intermittent Bolus Infusion of 0.2% Ropivacaine after Ultrasound-Guided Continuous Interscalene Brachial Plexus Block in Arthroscopic Shoulder Surgery.

Background: Despite the clinical effectiveness of the programmed intermittent bolus (PIB) method for epidural analgesia, evidence for this method in continuous interscalene brachial plexus block (CIBPB) is unclear. This study aimed to investigate the pain relief effect after arthroscopic shoulder surgery according to the administration method by comparing the PIB and continuous infusion methods among the administration methods of local anesthetics.

Methods: Sixty-four patients aged >19 years scheduled for elective arthroscopic shoulder surgery were enrolled and divided into two groups.

Choice of the correct size of endotracheal tube in pediatric patients.

Selection and insertion of an endotracheal tube (ETT) of appropriate size for airway management during general anesthesia in pediatric patients is very important. A very small ETT increases the risk of inadequate ventilation, air leakage, and aspiration, whereas a very large ETT may cause serious complications including airway damage, post-intubation croup, and, in severe cases, subglottic stenosis. Although the pediatric larynx is conical, the narrowest part, the rima glottidis, is cylindrical in the anteroposterior dimension, regardless of development, and the cricoid ring is slightly elliptical.

Propofol attenuates odontogenic/osteogenic differentiation of human dental pulp stem cells in vitro.

Background/purpose: Various studies have used stem cells in the field of bone tissue engineering to repair bone defects. Dental pulp stem cells (DPSCs) have multipotent properties and can be acquired in a noninvasive manner; therefore, they are frequently used in experiments in regenerative medicine. The objective of this study was to investigate the odontogenic/osteogenic differentiation of human DPSCs (hDPSCs) using propofol, a widely used intravenous anesthetic agent.

The influence of circulating fibrinogen level on postoperative blood loss and blood transfusion in pediatric cardiac surgery: a retrospective observational study.

Background: Pediatric patients are at high risk of massive bleeding after cardiac surgery under cardiopulmonary bypass (CPB). Fibrinogen is essential for coagulation; however, pediatric patients with congenital heart disease (CHD) present abnormal fibrinogen function. The pre- and post-operative fibrinogen level may affect the bleeding and transfusion amount in patients undergoing cardiac surgery.

Comparison of catheter-over-needle and catheter-through-needle methods in ultrasound-guided continuous femoral nerve block: A prospective, randomized controlled trial.

Background: The catheter-through-needle (CTN) method involves the insertion of a catheter with an outer diameter smaller than the initial puncture hole. We investigated whether the catheter-over-needle (CON) method is more effective than the CTN method in local anesthetic leakage at the catheter insertion site and catheter dislodgement, and how it affects postoperative pain management.

Methods: Seventy patients scheduled to undergo continuous femoral nerve block for pain control following total knee arthroplasty were enrolled and randomized to receive a perineural catheterization with either the CTN method (group CTN) or CON method (group CON).

Expanded Efficacy of Venovenous Extracorporeal Membrane Oxygenation Support for Deceased Donor Liver Transplantation.

Background: Perioperative respiratory failure occurs frequently in liver transplantation (LT) recipients. Venovenous extracorporeal membrane oxygenation (VV-ECMO) has been applied in patients with acute and potentially reversible life-threatening respiratory failure that is unresponsive to conventional therapies. VV-ECMO is used as a bridging device for lung transplantation.

The impact of pretransplant hepatic encephalopathy, model for end-stage liver disease (MELD) scale on long-term survival following deceased donor liver transplantation: a retrospective study.

Background: Liver transplantation (LT) has the incidence of 30-day mortality about 5-10%, Jo et al. reported that 30-day mortality and 1-year mortality for DDLT were 30%, and 39% respectively. It is not easy to create a model for predicting post-transplantation outcomes based on pretransplant variables.

Comparison of the Oblique Interlaminar and Transforaminal Lumbar Epidural Steroid Injections for Treatment of Low Back and Lumbosacral Radicular Pain.

Background: Transforaminal epidural steroid injections (TF-ESIs) effectively deliver small amounts of drugs to inflamed sites via the ventral epidural space. However, there is a high risk of nerve damage as the needle narrowly approaches the spinal nerve. Therefore, we devised an oblique interlaminar (OIL) approach as an alternative method.

Unexpected extrusion of the implantable pulse generator of the spinal cord stimulator - A case report.

Background: Despite significant technological advances in the implantable pulse generator (IPG), complications can still occur. We report a case that unexpected extrusion of the IPG of spinal cord stimulation (SCS) was promptly identified and successfully removed without any complications.

Case: After a car accident 4 years ago, a 55-year-old male who was diagnosed with complex local pain syndrome in his right leg.

Anti-inflammatory effects of dexmedetomidine on human amnion-derived WISH cells.

To maintain the normal pregnancy, suppression of inflammatory signaling pathway is a crucial physiologic response. Dexmedetomidine has been used for labor analgesia or supplement of inadequate regional analgesia during delivery. And it has been reported that dexmedetomidine has an anti-inflammatory effect.

Optimal effect-site concentration of remifentanil to prevent hemodynamic changes during nasotracheal intubation using a video laryngoscope.

Background: Nasotracheal intubation is the most commonly used method to secure the field of view when performing surgery on the oral cavity or neck. Like orotracheal intubation, nasotracheal intubation uses a laryngoscope. Hemodynamic change occurs due to the stimulation of the sympathetic nervous system.

Celiac Plexus Neurolysis for the Treatment of Patients with Terminal Cancer at a Tertiary University Hospital in Korea.

Purpose: The aim of this study was to investigate celiac plexus neurolysis (CPN) for the treatment of cancerous upper abdominal pain in a tertiary university hospital in Korea.

Methods: At the tertiary university hospital in Korea, electronic medical records of cancer patients who underwent CPN and died in the hospital from November 2009 to June 2018 were retrospectively analyzed.

Results: The total number of subjects was 51.

Effects of remifentanil preconditioning on factors related to uterine contraction in WISH cells.

Background: Preterm labor and miscarriage may occur in stressful situations, such as a surgical operation or infection during pregnancy. Pharyngeal and buccal abscess and facial bone fractures are inevitable dental surgeries in pregnant patients. Remifentanil is an opioid analgesic that is commonly used for general anesthesia and sedation.

Experience of operating an anesthesia preoperative evaluation clinic in South Korea: An observational study of surgeons' satisfaction.

The benefits of an anesthesia pre-operative evaluation clinic (APEC) based on outpatients are well described in previous literatures. In the majority of hospitals in South Korea, preoperative anesthetic evaluation for surgical patients is limited to hospitalized patients on the day before surgery. Thus, we would like to share our institutional experience of implementing an APEC based on outpatients and report on the attitudes and satisfaction of the medical staff (surgeons).

Colonic hypoperfusion following ligation of the inferior mesenteric artery in rectosigmoid colon cancer patients.

Purpose: Colon perfusion status is one of the most important factors for the determination of postoperative anastomotic complications. Colonic hypoperfusion can be induced by inferior mesenteric artery (IMA) ligation in some patients. This study aimed to evaluate atherosclerotic risk assessment and vascular parameters of CT angiography as predictors of colonic hypoperfusion.

Remifentanil promotes osteoblastogenesis by upregulating Runx2/osterix expression in preosteoblastic C2C12 cells.

Background: The imbalance between osteoblasts and osteoclasts can lead to pathological conditions such as osteoporosis. It has been reported that opioid adversely affect the skeletal system, but it is inconsistent. Remifentanil is currently used as an adjuvant analgesic drug in general anesthesia and sedation.

Fatal vocal cord granuloma after orthognathic surgery.

Endotracheal intubation is commonly associated with laryngeal injury that often resolves spontaneously without any complication. However, stenosis or granulomatous lesions are generally found on the tracheal wall or vocal process at the tube cuff level, caused by excessive cuff pressure. We present a case of fatal vocal cord granuloma leading to dyspnea following orthognathic surgery and sustained intubation for 14 hours.

The correlation between conventional coagulation tests and thromboelastography in each phase of liver transplantation.

Introduction: Thromboelastography (TEG) is gaining increasing acceptance in liver transplantation (LT) with conventional coagulation tests (CCTs) such as prothrombin time (PT), activated partial thromboplastin time (aPTT), antithrombin III (ATIII), platelet count (PLT), and fibrinogen concentration. The purpose of this study was to evaluate the clinical utility of TEG in LT and investigate the correlation between TEG and CCT values during each phase of LT.

Materials And Methods: Medical records of patients who underwent deceased donor LT at a single, university hospital between October 2010 and July 2015 were retrospectively reviewed.

Remifentanil Negatively Regulates RANKL-Induced Osteoclast Differentiation and Bone Resorption by Inhibiting c-Fos/NFATc1 Expression.

Remifentanil is commonly used in operating rooms and intensive care units for the purpose of anesthesia and sedation or analgesia. Although remifentanil may significantly affect the bone regeneration process in patients, there have been few studies to date on the effects of remifentanil on bone physiology. The purpose of this study was to investigate the effects of remifentanil on osteoclast differentiation and bone resorption.

The Effects of Thoracic Epidural Analgesia during Percutaneous Radiofrequency Ablation for Hepatocellular Carcinoma.

Background: Percutaneous radiofrequency ablation (PRFA) is a useful and safe treatment for hepatocellular carcinoma (HCC). Pain management, during and after PRFA, is a critical component of patient care.

Objectives: This study reviewed the efficacy of thoracic epidural analgesia, during and after PRFA, for patients with HCC.