Abstract:
UNLABELLED:Despite the widespread use of methadone for the treatment of acute and chronic pain, the hemodynamic effects of methadone administered by IV bolus have not been studied. We compared the hemodynamic effects of an IV bolus of methadone 20 mg with those of fentanyl 10 microg/kg for the induction of anesthesia in combination with etomidate 0.3 mg/kg. Forty-three patients undergoing major surgery were randomized to one of the two treatments in a double-blinded fashion. Plasma concentrations of histamine were measured before and 2 min after opioid administration. Heart rate and arterial blood pressure were measured via an arterial line just before opioid administration, etomidate administration, and tracheal intubation; during intubation; and 1 min after intubation. There were no significant differences in mean heart rate between the methadone and fentanyl groups at any time point. Systolic and diastolic blood pressures were significantly lower (P < 0.05) in the fentanyl group just before intubation, during intubation, and 1 min after intubation. Mean plasma concentrations of histamine before and after the administration of methadone or fentanyl were 1.54 ng/mL (SD, 0.65 ng/mL) and 1.57 ng/mL (SD, 1.37 ng/mL) or 1.00 ng/mL (SD, 0.58 ng/mL) and 1.04 ng/mL (SD, 0.47 ng/mL), respectively. Despite the lack of a significant change in mean plasma concentrations of histamine, substantial increases in plasma histamine occurred in 2 of 23 patients who received methadone. There were no obvious hemodynamic effects associated with histamine concentrations up to 6.2 ng/mL. Methadone appears to have the potential for producing histamine release. Although methadone administration did not produce hemodynamic instability in this study, the possible hemodynamic side effects of histamine release should be considered when IV boluses of methadone are given. IMPLICATIONS:The same dose of IV methadone (20 mg) that is effective for postoperative pain is also suitable for the induction of anesthesia in combination with etomidate. The plasma histamine concentration was notably increased in two patients, without obvious hemodynamic sequelae. Therefore, methadone appears to have the potential for producing histamine release.
journal_name
Anesth Analgjournal_title
Anesthesia and analgesiaauthors
Bowdle TA,Even A,Shen DD,Swardstrom Mdoi
10.1213/01.ane.0000114085.20751.20subject
Has Abstractpub_date
2004-06-01 00:00:00pages
1692-7, table of contentsissue
6eissn
0003-2999issn
1526-7598journal_volume
98pub_type
临床试验,杂志文章,随机对照试验abstract:BACKGROUND:Studies in a variety of disciplines have shown that the readability of Web-based patient education materials is above that of the sixth grade reading level recommended by the U.S. Department of Health and Human Services. The aim of this study was to evaluate the readability, content, and quality of English- ...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,多中心研究
doi:10.1213/ANE.0000000000000888
更新日期:2015-11-01 00:00:00
abstract::This study defines some characteristics of a standard anesthetic circuit that may impede anesthetic induction and recovery with I-653, sevoflurane, isoflurane, and halothane. Partition coefficients for anesthetic circuit components (masks, bellows, bags, airways, and circuit tubes) consistently ranked halothane greate...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1989-08-01 00:00:00
abstract:UNLABELLED:We studied the effects of spinal cord stimulation (SCS) on postherpetic neuralgia (PHN). Data of 28 patients were prospectively investigated over a median period of 29 (quartiles 9--39) mo. In addition, four patients with acute herpes zoster (HZ) pain were studied simultaneously. After intractable pain for m...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-200203000-00040
更新日期:2002-03-01 00:00:00
abstract:UNLABELLED:Many drugs are tested intrathecally to investigate alternatives to opioids. We aimed to explore the analgesic and possible neurotoxic effects of chronic intrathecally-administered ketorolac tromethamine in rats. Catheters were placed via atlantoaxial interval in 28 Wistar rats under anesthesia of intraperito...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000093226.75543.90
更新日期:2004-01-01 00:00:00
abstract::A study of the effects of halothane on the cyclic 3',5'-adenosine monophosphate (cAMP) system in human platelets was undertaken since cAMP has been implicated in the regulation of the process of platelet aggregation and this anesthetic has been reported to decrease platelet aggregation and, in other tissues, to increa...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1980-11-01 00:00:00
abstract::We studied 49 patients of ASA physical status I to determine cerebral anesthetic concentration on awakening calculated with end-tidal anesthetic concentration, when the end-tidal concentration decreased spontaneously. We also attempted to explain the difference in the average of the bracketing alveolar anesthetic conc...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1213/00000539-199311000-00024
更新日期:1993-11-01 00:00:00
abstract:UNLABELLED:In a randomized trial, we compared topical anesthesia by a lidocaine-prilocaine cream (EMLA; Laboratorie ASTRA, Manterre, France) with subcutaneous local lidocaine infiltration for radial artery cannulation. Patients included 538 adults scheduled for coronary angiography using a radial approach. EMLA was app...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000539-199808000-00032
更新日期:1998-08-01 00:00:00
abstract::Under halothane anesthesia five dogs were prepared with both hindlimbs isolated from the systemic circulation to allow intermittent placement on extracorporeal perfusion at constant flow. One limb of each dog was surgically denervated. In this relatively anesthetic-free preparation, graded equivalent doses of alfentan...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-199007000-00005
更新日期:1990-07-01 00:00:00
abstract::A low approach to the interscalene block (LISB) deposits local anesthetic farther caudad on the brachial plexus compared with the conventional interscalene block (ISB). We compared the efficacy of LISB and ISB in achieving anesthesia of the distal extremity in 254 patients having upper extremity surgery. The most freq...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e31820b5e8e
更新日期:2011-04-01 00:00:00
abstract::Acute peripheral neuropathic pain after combat-related polytrauma is a common occurrence in the United States military that is often refractory to current drugs and regional anesthesia. Both spinal cord and peripheral nerve stimulation are successfully used for chronic neuropathic pain states, but are not reported for...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0b013e318247f6b2
更新日期:2012-04-01 00:00:00
abstract:UNLABELLED:We tested the hypothesis that routine cleaning and autoclaving does not remove protein deposits from reusable laryngeal mask airways (LMAs). All previously used classic and flexible LMAs from a single hospital were tested. Each LMA was hand-washed in an enzymatic solution for 3 min, machine-washed with a dis...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000080154.76349.5b
更新日期:2003-10-01 00:00:00
abstract:BACKGROUND:Midazolam is the most commonly used premedication in children. It has been shown to be more effective than parental presence or placebo in reducing anxiety and improving compliance at induction of anesthesia. Clonidine, an alpha(2) agonist, has been suggested as an alternative. Dexmedetomidine is a more alph...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
doi:10.1213/ane.0b013e31816c8929
更新日期:2008-06-01 00:00:00
abstract::Colloids and crystalloids are usually administered as treatment for hypovolemia in severely injured patients. However, dilution of clotting factors and platelets together with impaired fibrinogen polymerization are associated with fluid therapy and may aggravate hemorrhage, thus worsening final outcome of these patien...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000194359.06286.d4
更新日期:2006-02-01 00:00:00
abstract::A 2-mo-old infant with biliary atresia was scheduled for laparoscopic Kasai with robot assistance. Before surgery, a practice trial maneuvering the cumbersome robotic equipment was performed to ensure rapid access to the patient in case of emergency. IV access, tracheal intubation, and arterial line placement followed...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ANE.0000137394.99683.66
更新日期:2004-12-01 00:00:00
abstract::Increased attention has been directed at the quality of randomized controlled trials (RCTs) and how they are being reported. We examined leading anesthesiology journals to identify if there were specific areas for improvement in the design and analysis of published clinical studies. All RCTs that appeared between Janu...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ANE.0000150612.71007.A3
更新日期:2005-06-01 00:00:00
abstract::The purpose of this study was to examine the effects of alfentanil applied to the surface of the spinal cord and the effects of intravenously administered alfentanil on noxiously evoked activity of dorsal horn neurons. Extracellular single neuron recordings were obtained from wide dynamic range neurons in 26 decerebra...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1986-02-01 00:00:00
abstract::The present investigation explored the possibility that the commonly observed hypotension that occurs during induction of anesthesia with propofol might be related to its ability to produce venodilation. Thirty-six ASA I and II patients who received no premedication were studied. The first 20 patients were divided int...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1213/00000539-199206000-00017
更新日期:1992-06-01 00:00:00
abstract::Outpatients undergoing minor diagnostic and therapeutic procedures associated with intermittent discomfort are frequently given bolus injections of intravenous opioid analgesics. In a group of 80 healthy women undergoing vaginal ovum pickup procedures, we evaluated patient-controlled administration of alfentanil using...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章
doi:10.1213/00000539-199207000-00008
更新日期:1992-07-01 00:00:00
abstract:BACKGROUND:Different drugs have been used to enhance postoperative neuraxial opioid analgesia and reduce adverse effects. METHODS:We randomized 60 patients into 2 groups to receive either 2 mL saline or 0.1 mg/kg dexamethasone IV before the administration of intrathecal anesthesia (15 mg and meperidine 15 mg). After s...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
doi:10.1213/01.ane.0000257926.07491.55
更新日期:2007-04-01 00:00:00
abstract::The influence of preoxygenation in the supine (n = 10) versus the 45 degrees head-up (n = 10) position on the duration of apnea leading to a decrease in arterial oxygen saturation to 95%, as monitored by pulse oximetry, was investigated in 20 women undergoing elective cesarean section at term of pregnancy. The results...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-199211000-00018
更新日期:1992-11-01 00:00:00
abstract::The serotonergic system is involved in pain transmission and the 5-hydroxytryptamine (5-HT3) receptor subtype mediates some of these effects at the spinal level. Therefore, we explored the effects of the serotonergic system on nifedipine-induced analgesia by using the 5-HT3 receptor antagonist ondansetron. Male Spragu...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-199603000-00012
更新日期:1996-03-01 00:00:00
abstract::We considered the allocation of operating room (OR) time at facilities where the strategic decision had been made to increase the number of ORs. Allocation occurs in two stages: a long-term tactical stage followed by short-term operational stage. Tactical decisions, approximately 1 yr in advance, determine what specia...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ANE.0000149898.45044.3D
更新日期:2005-05-01 00:00:00
abstract::The anesthetic propofol (2,6 diisopropylphenol) mediates some of its effects by activating inhibitory chloride currents in the lower brainstem and spinal cord. The effects comprise direct activation of gamma-aminobutyric acid-A and glycine receptors in the absence of the natural agonist, as well as potentiation of the...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000120083.10269.54
更新日期:2004-07-01 00:00:00
abstract:BACKGROUND:Rates of hypothermia for women undergoing spinal anesthesia for cesarean delivery are high and prevention is desirable. This trial compared the effectiveness of preoperative warming versus usual care among women receiving intrathecal morphine, which is thought to exacerbate perioperative heat loss. METHODS:...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
doi:10.1213/ANE.0000000000002026
更新日期:2018-01-01 00:00:00
abstract::Cardiac output characteristically decreases during trimethaphan infusion but is well maintained or increased during sodium nitroprusside infusion. We postulated that at similar levels of mean arterial pressure, sodium nitroprusside might be associated with greater blood loss than trimethaphan due to the increase in ca...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1980-03-01 00:00:00
abstract::Previous studies have shown that bolus doses of fentanyl (50 and 100 micrograms) with epidural bupivacaine delay gastric emptying by up to 45 min. We studied the effect of the addition of small-dose fentanyl to epidural bupivacaine infusions on gastric emptying during labor. The acetaminophen absorption technique was ...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1097/00000539-199603000-00032
更新日期:1996-03-01 00:00:00
abstract::The common treatment for postoperative pain is prescription opioids. Yet, these drugs have limited effect in preventing chronic pain from surgical intervention and have in part contributed to the opioid epidemic. Recently, preemptive analgesia and multimodal analgesia have been proposed with widely gained acceptance i...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0000000000004319
更新日期:2020-03-01 00:00:00
abstract::The effects of different intubating doses of atracurium on the time of onset, and the effect of an additional dose of thiopental on intubating conditions, were studied in 72 patients divided into six groups (n = 12 in each). Stratified sampling was used to obtain an even sex distribution. Groups I, III, and V (control...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1986-12-01 00:00:00
abstract::The aim of this study was to correlate pupillary diameter with respiratory depression for 20 hr after epidural administration of morphine or buprenorphine. Pupillary diameter and the ventilatory sensitivity to CO2 were measured in six healthy volunteers at various times (0, 0.5, 1, 2, 3, 4, 6, 8, 10, 12, and 20 hr) in...
journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:
更新日期:1987-09-01 00:00:00
abstract::General anesthesia results in increases in respiratory elastance and flow resistance within 10-15 min after induction. Stabilization (compensation) of the respiratory system in the face of this added load is related to the addition of active (contractile) force-length and force-velocity properties to its internal impe...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1986-01-01 00:00:00