A 71-year-old diabetic male who had undergone coronary artery bypass surgery 8-years ago due to coronary artery disease, complained of hiccups for 3 days and worsening of anginal symptoms, which was proven to be with Staphylococcus hominis bacteremia. The patient was finally diagnosed with a mycotic aneurysm of the ascending aorta. All of the branches originating from the ascending aorta were narrowed due to the aortitis, including the origin of the left subclavian artery, which was supplying the left anterior descending artery as a result of bypass surgery. This might have been the cause of the chest pain and hiccups, since the vagus nerve is near the left subclavian artery. Three-dimensional chest computed tomography examination revealed a massive extension of the aortitis.
Aged ; Aneurysm ; Aneurysm, Infected ; Angina, Unstable ; Aorta ; Aortitis ; Arteries ; Bacteremia ; Chest Pain ; Coronary Artery Bypass ; Coronary Artery Disease ; Hiccup ; Humans ; Male ; Staphylococcus hominis ; Subclavian Artery ; Thorax ; Vagus Nerve

A 50-year-old man with bladder cancer had spinal anesthesia for transurethral resection of bladder. After he had spinal block at the T8 level, he developed a persistent penile erection, making it impossible to introduce the 24 French cystoscope. To treat a persistent penile erection, intravenous glycopyrrolate was incrementally given for a total of 0.4 mg. A persistent penile erection was markedly subsided 5 minutes after last 0.2 mg glycopyrrolate was given. Then corpus cavernosum blood was aspirated. The cystoscope was easily introduced, and transurethral resection of bladder proceeded without further complication.
Anesthesia, Spinal* ; Cystoscopes ; Glycopyrrolate ; Humans ; Male ; Middle Aged ; Penile Erection* ; Urinary Bladder ; Urinary Bladder Neoplasms

Acute necrotizing esophagitis (AEN), also called "black esophagus," is a rare disorder with an unknown pathogenesis. Endoscopic findings generally show black pigmentation throughout the esophagus. This case also offered rare views of the gross anatomy of this disorder. Histological examination revealed that the mucosal and submucosal layers of the esophagus were involved in the severe necrotizing inflammation. The chief manifestation of this disease is hematemesis from hemorrhage of the upper gastrointestinal tract with a typically multifactorial etiology. AEN is also characterized by a clear boundary at the gastroesophageal junction where the necrosis stops. In this study, we report an autopsy case of a 61-year-old man with necrotizing inflammation throughout the esophagus and esophageal necrosis from the laryngopharynx to the gastroesophageal junction. The patient was a disabled person with a history of alcohol abuse who was also diagnosed with mild coronary arteriosclerosis and fatty liver on the basis of the underlying diseases. In this case, the main etiology for poor perfusion from the distal esophageal area was likely underlying illness, history of alcoholism, and malnutrition.
Alcoholism ; Autopsy* ; Coronary Artery Disease ; Disabled Persons ; Esophagitis* ; Esophagogastric Junction ; Esophagus ; Fatty Liver ; Hematemesis ; Hemorrhage ; Humans ; Hypopharynx ; Inflammation ; Malnutrition ; Middle Aged ; Necrosis ; Perfusion ; Pigmentation ; Upper Gastrointestinal Tract

General anesthesia is the main strategy for almost all thoracic surgeries. However, a growing body of literature has reported successful cases of non-intubated thoracic surgery with regional anesthesia. This alternative strategy not only prevents complications related to general anesthesia, such as lung injury, incomplete re-expansion and intubation related problems, but also accords with trends of shorter hospital stay and lower overall costs. We experienced a successful case of non-intubated thoracoscopic decortication for a 68-year-old man who was diagnosed as empyema while the patient kept spontaneously breathing with moderate sedation under thoracic epidural anesthesia. The patient showed a fast recovery without concerns of general anesthesia related complications and effective postoperative analgesia through thoracic epidural patient-controlled analgesia device. This is the first report of non-intubated thoracoscopic surgery under thoracic epidural anesthesia in Korea, and we expect that various well designed prospective studies will warrant the improvement of outcomes in non-intubated thoracoscopic surgery.
Aged ; Analgesia ; Analgesia, Patient-Controlled ; Anesthesia, Conduction ; Anesthesia, Epidural* ; Anesthesia, General ; Conscious Sedation ; Empyema* ; Humans ; Intubation ; Korea ; Length of Stay ; Lung Injury ; Prospective Studies ; Respiration ; Thoracic Surgery ; Thoracoscopy*

Background: : Since primary emergency treatment should be performed appropriately and promptly, efficient and accurate communication between paramedics and medical staff is paramount to a successful primary emergency treatment and patient handover. The problem of the training program in Korea is that it concentrates more on in-class lectures, often delivered by non-medical specialists, who may lack in practical experience and without proper communication training. To solve this problem, we have devised a simulation based training that focuses on event debriefings and two-way communication. Methods: : 62 paramedics from 3 stations enrolled in the study. 4 different courses with different emergency situations were created and each course was taken twice resulting in a total of 8 classes. All courses were based on actual cases. The curriculum consisted of subject lectures with guidelines, skill practice courses, and simulation courses based on hands-on method. In simulation courses, paramedics use standardized check list to communicate with medical specialists. All curriculums except subject lectures include debriefing, which allows free talking with educators comprised of medical specialists. In order to measure the educational impact, all students performed self-assessment through a structured questionnaire before and after the training. Results: : Regardless different situations and paramedics’ education level, their performance and communication skills have improved after simulation training course. Paramedics mentioned learning skills in simulation course through communication with medical staffs as the biggest advantage. Conclusion : Receiving the simulation training with standardized communication tools is effective at enhancing the communication between the paramedics and medical staff.

The laryngeal mask airway (LMA) has several advantages over endotracheal intubation for the airway management in tracheal stenosis patients. Endotracheal tubes are narrower than the natural trachea and can induce reflex airway constriction resulting in more resistance to ventilation. Furthermore, an endotracheal tube can injure the trachea, and cause airway edema, and further tracheal constriction. In contrast, the increase in airway resistance that occurs when using the laryngeal mask is relatively low, because the diameter of the laryngeal mask airway is larger than that of the endotracheal tube and the laryngeal mask airway is not intubated. However, patients with a mechanically obstructed trachea, those with tracheomalacia or an external compression of the trachea, cannot be managed with a laryngeal mask airway, because it cannot prevent tracheal collapse. Thus it is important that the causes of tracheal obstruction are differentiated. This report suggests that the laryngeal mask airway can be used as a route for mechanical ventilation and as a conduit for tracheal evaluation and endotracheal intubation using fiberoptic bronchoscope during tracheal reconstruction surgery in patients with tracheal stenosis.
Airway Management ; Airway Resistance ; Bronchoscopes ; Constriction ; Edema ; Humans ; Intubation* ; Intubation, Intratracheal ; Laryngeal Masks* ; Reflex ; Respiration, Artificial ; Trachea ; Tracheal Stenosis ; Tracheomalacia ; Ventilation

BACKGROUND: It has been reported that spinal anesthesia has a sedative effect and so this decreases the hypnotic requirement of intravenous anesthetic. Therefore, we have conducted a prospective randomized study to investigate the effect of the spinal anesthesia level on the hypnotic requirements for conscious sedation. METHODS: Forty adult patients were scheduled to undergo spinal anesthesia, and they were randomly allocated to one of the two groups. After subarachnoid injection of 0.5% hyperbaric bupivacaine 16 mg, the patients in group 1 and group 2 were maintained in a reversed Trendelenburg position and a Trendelenburg position, respectively. After fifteen minutes, the target controlled infusion of propofol was started for achieving a target concentration of 1 microgram/ml, and the mean BIS for 1 min was checked after an effect site concentration (Ce) of 1 microgram/ml was reached. The target controlled infusion of propofol was restarted at a target concentration (Tc) of 1.5 microgram/ml, and the mean BIS for 1 min was checked after the Ce level of 1.5 microgram/ml was reached. RESULTS: The mean BIS at 1 microgram/ml Ce was 90.0 +/- 8.5 and 77.8 +/- 10.3 in group 1 and group 2, respectively. The mean BIS at 1.5 g/ml Ce was 73.6 +/- 19.4 and 60.0 +/- 13.1, respectively. CONCLUSIONS: There was a significant difference in the requirements of propofol for conscious sedation between the below T12 block group and the above T4 block group.
Adult ; Anesthesia, Spinal ; Bupivacaine ; Conscious Sedation ; Head-Down Tilt ; Humans ; Hypnosis ; Hypnotics and Sedatives ; Propofol* ; Prospective Studies

BACKGROUND: It is stated frequently that patients with spinal block may be drowsy, although they may not have received any sedative drugs. Intrathecal clonidine increase the duration of sensory and motor blockades, and also has a sedative effect. Thus we conducted this study to investigate the effects of spinal anesthesia and intrathecal clonidine on propofol hypnotic requirements. METHODS: Forty-five adult patients scheduled to undergo local or spinal anesthesia were enrolled in this study. Group 1 included patients on local anesthesia, group 2 were patients on spinal anesthesia with 0.5% hyperbaric bupivacaine, and group 3 were patients on spinal anesthesia with 0.5% hyperbaric bupivacaine and 75microgram clonidine. The target controlled infusion (TCI) of propofol was started at a target concentration of 1microgram/ml. We checked the lowest BIS during 5 min observation after the effect site concentration (Ce) had been reached (1microgram/ml). The TCI of propofol was then restarted at a target concentration of 1.5microgram/ml and we checked the lowest BIS during 5 min observation after the Ce had been reached (1.5microgram/ml). We also checked the Ce when the BIS reached 80 and 70. RESULTS: The minimum BIS's at 1 microgram/ml Ceiiwere 86.9 +/- 11.3 (Group 1), 80.5 +/- 8.5 (Group 2) and 66.9 +/- 15.5 (Group 3), and the minimum BIS's at 1.5microgram/ml Ce were 76.0 +/- 13.4, 62.9 +/- 12.4, 48.5 +/- 13.7, respectively. The Ce's of propofol at BIS 80 were checked initially at 1.4 +/- 0.5microgram/ml (Group 1), 1.1 +/- 0.3microgram/ml (Group 2) and 0.8 +/- 0.3microgram/ml (Group 3). The Ce's of propofol at BIS 70 were 1.8 +/- 0.6microgram/ml, 1.4 +/- 0.3microgram/ml and 1.0 +/- 0.3microgram/ml, respectively. The Ce's of Group 2 and Group 3 at BIS 80 and BIS 70 were statistically lower than those of Group 1 (P < 0.05), and the Ce's of Group 3 at BIS 80 and BIS 70 were statistically lower than those of Group 2 (P < 0.05). CONCLUSIONS: Spinal anesthesia and intrathecal clonidine reduce the requirement of propofol for conscious sedation. The Ce of propofol for conscious sedation is 1.4-1.8microgram/ml for local anesthesia, 1.1-1.4microgram/ml for spinal anesthesia with 0.5% hyperbaric bupivacaine, and 0.6-1.0microgram/ml for spinal anesthesia with 0.5% hyperbaric bupivacaine and 75microgram clonidine.
Adult ; Anesthesia, Local ; Anesthesia, Spinal* ; Bupivacaine ; Clonidine* ; Conscious Sedation* ; Humans ; Hypnosis ; Hypnotics and Sedatives ; Propofol*

BACKGROUND: With the increasing demand for general anesthesia for endoscopic esophageal procedures, anesthesiologists should understand the clinical characteristics of post-procedural complications (PPCs). METHODS: We retrospectively investigated the incidence of and risk factors associated with PPCs of endoscopic esophageal procedures performed under general anesthesia from July 2013 to November 2016. The final analysis included 129 patients; 114 who underwent esophageal endoscopic dissection for esophageal tumors and 15 cases of peroral endoscopic myotomy for achalasia. Frank perforation during the procedure was defined as an endoscopically recognizable or clinically detected perforation during the procedures. A multivariable logistic regression analysis was conducted to identify independent risk factors for PPCs. RESULTS: The overall incidence of PPCs was 19.4% (25/129). All of the PPCs were managed successfully with conservative measures. The most common PPC was symptomatic, radiologically documented atelectasis (11/25, 44.0%), followed by esophageal perforation-related PPCs (symptomatic pneumomediastinum or pneumoperitoneum; 9/25, 36.0%). In the multivariable analysis, frank perforation during the procedure was the only independent risk factor for PPCs (odds ratio, 8.470, 95% CI, 2.051–34.974, P = 0.003). Although frank perforation during the procedure occurred in 13 patients, 38.5% (5/13) of them did not develop any clinical sequelae after their procedures. Compared with patients without PPCs, patients who developed PPCs took longer to their first oral intake and had prolonged hospital stays (P = 0.047 and 0.026, respectively). CONCLUSIONS: Iatrogenic perforation during endoscopic esophageal procedures under general anesthesia was the only independent risk factor for PPCs; therefore, proactive measures and close follow-up are necessary.
Anesthesia, General* ; Endoscopy, Gastrointestinal ; Esophageal Achalasia ; Esophagus ; Follow-Up Studies ; Humans ; Incidence ; Length of Stay ; Logistic Models ; Mediastinal Emphysema ; Pneumoperitoneum ; Pulmonary Atelectasis ; Retrospective Studies ; Risk Factors