Abstract:
:The dorsal raphe (DR) nucleus is a system of nuclei in the midline of the lower brainstem, which is considered one of the most important nuclei in the modulation of pain in the central nervous system. Central noradrenergic systems play an important role in the control of cardiovascular regulation and pain transmission. Clonidine, an alpha 2-adrenergic agonist is used extensively in anesthesia research. In this study, we evaluated the involvement of clonidine in the activity of DR nucleus and its possible role in pain modulation. Seventy-four neurons within the DR nucleus in the rat brainstem slice preparation were tested using extracellular recording techniques. Application of noradrenaline (NA), 50 mumol/L, induced firing activity in 68 neurons tested (92%). NA produced a regular long-lasting firing activity on the DR neurons. Fifty-six neurons (88%) previously excited by NA were inhibited by clonidine, 20 mumol/L. Clonidine suppressed the firing activity of neurons. The results indicate that the firing of DR neurons was under noradrenergic influence and was inhibited by clonidine, which in turn alters nociception by modifying the central serotonergic system.
journal_name
Anesth Analgjournal_title
Anesthesia and analgesiaauthors
Alojado ME,Ohta Y,Kemmotsu Odoi
10.1213/00000539-199408000-00009subject
Has Abstractpub_date
1994-08-01 00:00:00pages
257-60issue
2eissn
0003-2999issn
1526-7598journal_volume
79pub_type
杂志文章abstract:BACKGROUND:Pulse wave analysis (PWA) allows cardiac output (CO) measurement after calibration by transpulmonary thermodilution. A PWA system that does not require previous calibration, the FloTrac/Vigileo (FTV), has been recently developed. We compared determinations of CO made with the FTV to simultaneous measurements...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ane.0b013e3181a491b8
更新日期:2009-07-01 00:00:00
abstract::Initial, but not subsequent, inhalation of 8% desflurane produces transient sympathetic stimulation. We hypothesized that initial but not subsequent increases should produce pupil dilation, and that N2O, fentanyl, and clonidine, but not esmolol, should blunt the response. In 10 volunteers, we maintained anesthesia wit...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-199508000-00028
更新日期:1995-08-01 00:00:00
abstract::The purpose of the present study was to assess patients' anxiety level and information requirement in the preoperative phase. During routine preoperative screening, 320 patients were asked to assess their anxiety and information requirement on a six-item questionnaire, the Amsterdam Preoperative Anxiety and Informatio...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-199603000-00002
更新日期:1996-03-01 00:00:00
abstract::The antagonism of a pancuronium-curare (P + C) neuromuscular block was assessed and compared to the antagonism of a pancuronium (P) block. One group of seven patients received P + C (0.024 mg/kg + 0.144 mg/kg); another similar group of seven patients received P (0.07 mg/kg). Both groups were anesthetized with nitrous ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1983-12-01 00:00:00
abstract:UNLABELLED:Pain complicates the recovery process after ambulatory surgery. We surveyed 175 ambulatory surgery patients to determine pain severity, analgesic use, relationship of pain to duration of recovery, and the relative importance of various factors to predicting these outcomes. Multivariate regression analysis wa...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章
doi:10.1097/00000539-200209000-00025
更新日期:2002-09-01 00:00:00
abstract:BACKGROUND:There are profound racial and ethnic disparities in obstetric outcomes in the United States, but little is known about disparities in risk of postpartum hemorrhage (PPH). We explored the association of race and ethnicity on the risk of PPH due to uterine atony with sequential adjustment for possible mediatin...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e3182691e62
更新日期:2012-11-01 00:00:00
abstract::Windup is a progressive increase in responses of nociceptive spinal cord neurons to repeated electrical C fiber stimulation. We hypothesized that isoflurane would depress windup at approximately the minimum alveolar anesthetic concentration (MAC) required to suppress purposeful movement in response to noxious stimulat...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ANE.0000135635.32227.DA
更新日期:2004-11-01 00:00:00
abstract::The effects of isoflurane or halothane on cerebral blood flow (CBF) reactivity to changes in arterial carbon dioxide tension (PaCO2) during carotid endarterectomy were compared using the intravenous method of 133Xe-CBF determination. Patients, aged 65 +/- 3 yr (mean +/- SE), received O2 and N2O (1:1) and either 0.75% ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,评审
doi:
更新日期:1991-10-01 00:00:00
abstract::We evaluated the effects of adding clonidine for continuous peripheral nerve infusions. Sixty patients undergoing total knee arthroplasty under combined single-injection sciatic block and continuous femoral infusion were randomly allocated to three groups: block induction with 0.75% ropivacaine followed by 0.2% ropiva...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1213/01.ANE.0000143952.75985.8F
更新日期:2005-03-01 00:00:00
abstract::A parametric study was performed in cats comparing the effects on the brainstem auditory evoked response of four anesthetic agents used either in the operating room or the laboratory: sodium pentobarbital, ketamine, halothane, and chloralose. Each anesthetic agent was administered to each of four cats in varying seque...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1982-04-01 00:00:00
abstract::The antifibrinolytic drug, tranexamic acid, decreases blood loss in adult patients undergoing cardiac surgery. However, its efficacy has not been extensively studied in children. Using a prospective, randomized, double-blind study design, we examined 41 children undergoing repeat sternotomy for repair of congenital he...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000539-199705000-00008
更新日期:1997-05-01 00:00:00
abstract::Recent determinations of the minimum alveolar anesthetic concentration (MAC) for nitrous oxide in rats yield values of 1.51-1.55 atm. When combined with results from other reports, these results suggest a deviation from linear additivity, and call into question the unitary theory of narcosis. The present report provid...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-199410000-00016
更新日期:1994-10-01 00:00:00
abstract:BACKGROUND:Lidocaine is used clinically for tactile allodynia associated with diabetes-induced neuropathy. Although the analgesic effect of lidocaine through suppression of microglial activation has been implicated in the development of injury-induced neuropathic pain, its mechanism of action in diabetes-induced tactil...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e31822827a2
更新日期:2011-10-01 00:00:00
abstract::This study examined global hemodynamic responses to increasing concentrations of halothane and isoflurane in pigs with an acute critical coronary stenosis (CCS) on the left anterior descending coronary artery (LAD). The CCS was caused by graded inflation of an hydraulic occluder to the point where no hyperemic respons...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1989-06-01 00:00:00
abstract:INTRODUCTION:The preoperative encounter may offer a cost-effective opportunity for diabetes screening. METHODS:Three hundred forty-seven fasting patients had a preoperative glucose measurement determined from blood residue left on the IV needle, measured with an Accu-Chek glucometer (Roche Diagnostics, Indianapolis, I...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e3181b7c626
更新日期:2009-11-01 00:00:00
abstract::Minimally invasive fetoscopic surgery for spina bifida aperta is a new therapeutic approach to preserve neurologic function by protecting exposed neural tissue. The anesthetic management is of paramount importance for the success of the procedure. Therefore, our protocol was developed with particular attention to safe...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0000000000001896
更新日期:2017-07-01 00:00:00
abstract:BACKGROUND:In cardiac surgery, pulmonary hypertension is an important prognostic factor for which several treatments have been suggested over time. In this systematic review and meta-analysis, we compared the efficacy of inhaled aerosolized vasodilators to intravenously administered agents and to placebo in the treatme...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,meta分析,评审
doi:10.1213/ANE.0000000000002138
更新日期:2017-08-01 00:00:00
abstract::Leakge of lymph following puncture of the right subclavian vein occurred in a patient, requiring a pacemaker catheter. The lymph drainage settled spontaneously after 4 days on remanipulation of the pacing wire. ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-197801000-00027
更新日期:1978-01-01 00:00:00
abstract:UNLABELLED:The purpose of this study was to determine whether subhypnotic doses of propofol effectively relieve pruritus in women who received intrathecal morphine for postoperative analgesia after cesarean delivery. Twenty-nine women who developed pruritus after undergoing an elective cesarean section and receiving in...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000539-199802000-00018
更新日期:1998-02-01 00:00:00
abstract:UNLABELLED:Postoperative pain has been an important limiting factor for ambulatory laparoscopic cholecystectomy. We anesthetized 40 ASA physical status I-II patients using propofol for the induction and sevoflurane in oxygen and air for the maintenance of anesthesia. At the end of the anesthesia, the patients were rand...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000539-200208000-00040
更新日期:2002-08-01 00:00:00
abstract:BACKGROUND:Anesthesiologists and certified registered nurse anesthetists (CRNAs) must acquire the skills to recognize and manage a variety of acute intraoperative emergencies. A simulation-based assessment provides a useful and efficient means to evaluate these skills. In this study, we evaluated and compared the perfo...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
doi:10.1213/ane.0b013e31818e3d58
更新日期:2009-01-01 00:00:00
abstract::Effective communication is essential in today's health care environment, and poor communication can lead to conflict among health care providers. Differences in cultures and beliefs can further incite conflict among health care team members, families, and patients. Pediatric patient care has a higher potential for con...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,评审
doi:10.1213/ANE.0000000000003991
更新日期:2019-10-01 00:00:00
abstract:BACKGROUND:Thoracic epidural anesthesia is often used as a postoperative analgesic technique in thoracic surgery. However, the structure of the overlapping spinous processes, resulting in interlaminar space occlusion, often makes thoracic epidural needle placement difficult. With the development of multi-detector row s...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ane.0b013e31815efa06
更新日期:2008-02-01 00:00:00
abstract:UNLABELLED:The Valsalva maneuver in the awake patient and the ventilation maneuver in the tracheally intubated anesthetized patient are two provocation methods to detect a patent foramen ovale (PFO) by means of contrast transesophageal echocardiography. In 60 patients undergoing posterior fossa surgery, a contrast agen...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-200105000-00006
更新日期:2001-05-01 00:00:00
abstract::Direct thrombin inhibitors are heparin alternatives for anticoagulation during cardiopulmonary bypass in patients with heparin-induced thrombocytopenia. We report a case of a large thrombus forming in the venous reservoir while using bivalirudin. We suggest that blood stasis associated with the full venous reservoir m...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e3181e9ead3
更新日期:2010-09-01 00:00:00
abstract::Enhancement of a vecuronium neuromuscular blockade by prior administration of succinylcholine has been attributed to both pharmacokinetic and pharmacodynamic mechanisms. This study was performed to elucidate the mechanism of this interaction using decamethonium as the agonist drug. In five healthy patients undergoing ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-199303000-00033
更新日期:1993-03-01 00:00:00
abstract::Continuous positive airway pressure (CPAP) of 5 and 10 cm H2O applied to the nonventilated lung is effective in improving arterial oxygenation during one-lung ventilation (1-LV). The effectiveness of lower levels of CPAP on improving oxygenation, however, has not been reported, possibly because of limitations of previ...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1213/00000539-199408000-00029
更新日期:1994-08-01 00:00:00
abstract:BACKGROUND:Recently, we reported a new technique to augment motor-evoked potentials (MEPs) under general anesthesia, posttetanic MEP (p-MEP), in which tetanic stimulation of the peripheral nerve before transcranial stimulation enlarged amplitudes of MEPs from the muscle innervated by the nerve subjected to tetanic stim...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ane.0b013e318177082e
更新日期:2008-07-01 00:00:00
abstract::Prothrombin complex concentrates (PCCs) contain vitamin K-dependent clotting factors (II, VII, IX, and X) and are marketed as 3 or 4 factor-PCC formulations depending on the concentrations of factor VII. PCCs rapidly restore deficient coagulation factor concentrations to achieve hemostasis, but like with all procoagul...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,评审
doi:10.1213/ANE.0000000000001188
更新日期:2016-05-01 00:00:00
abstract:BACKGROUND:The electroencephalogram (EEG) measures cerebral activity and, because of its use as an intraoperative monitor, the Accreditation Council for Graduate Medical Education requires EEG monitoring experience during anesthesiology residency. To improve the anesthesiology residents' education at the University of ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000287666.72775.07
更新日期:2008-01-01 00:00:00