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PubMed1997

Conscious sedation in cardiovascular procedures.

CS is commonly used in conjunction with CV procedures. Although CS provides a means to manage patient anxiety and discomfort, it also poses risks for the CV patient. The RN in the CV procedure lab plays a key role in the management of patients receiving CS. By formulating an individualized CS plan that integrates procedure risks, underlying disease processes, and medication effects, the RN minimizes patient risks and optimizes symptom management.

Cardiovascular Diseases↗
PubMedDate not supplied

Intravenous conscious sedation. Physiologic, pharmacologic, and legal implications for nurses.

Nurses with proper additional training can safely assist in the care of patients receiving intravenous conscious sedation for a variety of procedures. Sedation exists along a continuum, with subtle differences between lighter and deeper levels of sedation. The primary goal of conscious sedation is to achieve a minimally sedated patient with intact protective airway reflexes. Pharmacologic agents may provide anxiolysis, amnesia, sedation, or analgesia. Legal considerations, policy development, and educational requirements for nurses choosing to practice in this expanded role are examined.

Clinical Competence↗
PubMed2004

Dose-response of ropivacaine administered caudally to children undergoing surgical procedures under sedation with midazolam.

1. In a double-blind randomized controlled design, 50 children were allocated to receive bupivacaine 0.25% or ropivacaine 0.25%, 0.32%, 0.40% or 0.50% by caudal block. 2. Caudal block was performed after induction of anaesthesia with 2-5% sevoflurane, atropine 10 microg/kg and midazolam 100-300 microg/kg. During the surgical procedure, patients were maintained under spontaneous ventilation and no intravenous or inhalatory anaesthetic agent was administered. For transoperative sedation, midazolam 100-300 microg/kg was administered every 0.5-1.0 h. Transoperative cardiovascular response, postoperative analgesia and local and systemic complications were evaluated. 3. Groups were similar (P > 0.05) in sex, age, weight and in the time elapsed from caudal block to the beginning of the surgical procedure. The surgical time was significantly lower in the ropivacaine 0.25% group. The duration of analgesia was 24 h with ropivacaine 0.25% and approximately 10 h in the other four groups (P < 0.001). Linear regression analysis revealed a significant relationship between the postoperative analgesic period produced by ropivacaine and the surgical time (r = -0.48, two-sided P = 0.002). Systolic and diastolic blood pressures remained in the physiologically normal range for the duration of the transoperative period. Vomiting was present in only one patient receiving ropivacaine 0.50%. 4. In children, the duration of analgesia produced by caudal block with ropivacaine may be affected by surgical time. At surgical times of 0.5-1 h, ropivacaine 0.25% produced at least 24 h postoperative analgesia. At similar surgical times, ropivacaine 0.32%, 0.40% and 0.50% produced similar analgesic times to bupivacaine 0.25%.

Amides↗
PubMed2004

[Analgesia in the pediatric emergency department].

Pain concerns more than 50% of the children cared in the emergency unit. After evaluation, it has to be cured with drugs adapted to its level and its origin. Residual pain needs therapeutic adjustment. The goal is to allow the child to restart his activities. A preventive sedation analgesia is necessary when a painful exam is to be performed, either for diagnosis or therapeutic purpose. For this goal ideal analgesics, either for monotherapy or associated, are easily and painlessly administered. They have rapid onset of action, brief half-life, predictable, effective analgesic properties without side effects and they are quickly reversible. These drugs do not exist and every sedation procedure has a risk of hypoxemia. With the human and equipment's investment an emergency department should be able to ensure that procedures are performed in children under sedation with a standard of safety that is similar to general anaesthesia. The main drawback in a well-organised system should be a significant children's rate for which general anaesthesia is preferred.

Analgesics↗
PubMed2000

Sedation in outpatient bronchoscopy.

Bronchoscopy is a procedure that is likely to provoke anxiety as the patient is surrounded by monitoring and bronchoscopy equipment, and care is administered by strangers who perform intimate, invasive, and sometimes, painful procedures. Sedation is needed, therefore, to allay anxiety and reduce stress, improve patient comfort and co-operation, provide amnesia and facilitate the bronchoscopic procedure. In this review we try to summarize the current knowledge on currently used sedation protocols with special reference to the commonly used pharmacological agents. We believe sedation should be used routinely in fiberoptic bronchoscopy in order to achieve a safe and pleasant procedure for both the patient and the pulmonologist.

Adrenergic alpha-Agonists↗
PubMed1994

Paediatric nuclear medicine procedures: routine sedation or management of anxiety?

In our department, examinations of long duration are performed without sedation. It is exceptional that a test has to be postponed because of lack of cooperation by the patient. Good quality images, taking into account the recommended paediatric amounts of radioactivity, are achieved for procedures such as MIBG whole body scanning (10 min frame-1), gastro-oesophageal reflux studies (60 min acquisition), renography and furosemide challenge (45 min) or pinhole views for bone or renal DMSA studies (20-30 min). While drug sedation remains in some conditions the only way to obtain a satisfactory nuclear medicine examination in children, we still believe that in most cases this can be achieved by taking the emotional life of the child into account. For that purpose, people in charge of the paediatric procedure have to be adequately trained.

Anxiety↗
PubMed2002

Contemporary trends in pediatric sedation and analgesia.

The ability to provide safe, effective procedural sedation and analgesia is a necessary skill for physicians caring for the acutely ill or injured pediatric patient. They physician should be familiar with the agent(s) chosen, including dosage, duration, adverse effects, and contraindications. The choice of agent and regimen should be individualized for the patient and situation. Successful outcomes depend on performing careful pre- and post-sedation evaluations, following appropriate monitoring and equipment guidelines, and having the knowledge and skills to manage any adverse cardiorespiratory event.

Analgesia↗
PubMed1992

A comparison of the effects of propofol and nitrous oxide on the electroencephalogram in epileptic patients during conscious sedation for dental procedures.

The influence of sedative doses of propofol or nitrous oxide on the electroencephalogram was studied in 11 mentally handicapped patients with treated epilepsy undergoing dental procedures. At one session, propofol was titrated to achieve conscious sedation. The mean (+/- SD) dose requirements were 5.5 +/- 1.1 mg.kg-1.h-1. In six patients, the electroencephalogram was unchanged during propofol administration. In three patients, there was a decrease in epileptic activity, and in two patients, paroxysmal discharges disappeared. At another session, nitrous oxide was administered by nasal mask. The mean (+/- SD) concentration of nitrous oxide needed was 43.6% +/- 4.8%. The electroencephalogram did not change in nine patients, whereas in two patients epileptic activity decreased. There were no clinical epileptoid or other adverse manifestations during any treatment or up to 48 h thereafter. The results of the present study suggest that propofol or nitrous oxide can be administered in subanesthetic doses for conscious sedation in mentally handicapped patients with treated epilepsy.

Adolescent↗
PubMed2006

Pharmacokinetic and pharmacodynamic characteristics of medications used for moderate sedation.

The ability to deliver safe and effective moderate sedation is crucial to the ability to perform invasive procedures. Sedative drugs should have a quick onset of action, provide rapid and clear-headed recovery, and be easy to administer and monitor. A number of drugs have been demonstrated to provide effective sedation for outpatient procedures but since each agent has its own limitations, a thorough knowledge of the available drugs is required to choose the appropriate drug, dose and/or combination regimen for individual patients. Midazolam, propofol, ketamine and sevoflurane are the most frequently used agents, and all have a quick onset of action and rapid recovery. The primary drawback of midazolam is the potential for accumulation of the drug, which can result in prolonged sedation and a hangover effect. The anaesthetics propofol and sevoflurane have recently been used for sedation in procedures of short duration. Although effective, these agents require monitored anaesthesia care. Ketamine is an effective agent, particularly in children, but there is concern regarding emergence reactions. AQUAVAN injection (fospropofol disodium), a phosphorylated prodrug of propofol, is an investigational agent possessing a unique and distinct pharmacokinetic and pharmacodynamic profile. Compared with propofol emulsion, AQUAVAN is associated with a slightly longer time to peak effect and a more prolonged pharmacodynamic effect. Advances in the delivery of sedation, including the development of new sedative agents, have the potential to further improve the provision of moderate sedation for a variety of invasive procedures.

Anesthesia Recovery Period↗
PubMed2002

Quality of colonoscopy reporting: a process of care study.

OBJECTIVE: Several groups have developed guidelines for specific content necessary in endoscopic procedure reports. Little information is available assessing adherence to reporting recommendations, and little is known about common reporting errors. The aim of this study was to assess the quality of colonoscopy reporting and to identify possible areas of improvement. METHODS: Using the 1997 American Society for GI Endoscopy guidelines for endoscopy reporting, we created operational definitions for adherence to each guideline. We then created 31 specific process of care criteria to assess adherence to each of these operational definitions. We subdivided the 31 specific process of care criteria into six domains: demographic information, patient history, sedation procedure, adequacy of preparation/visibility, lesion identification/removal, and procedure interpretation. Reports obtained from 122 separate endoscopy centers were reviewed for adherence to the guidelines. Adequate performance for any criterion was defined as 70% or better compliance. RESULTS: Performance varied widely across the domains. Clinicians demonstrated adequate performance on sedation procedure (75%) and lesion identification/removal (84%). Clinicians scored poorly on demographic data (69%), patient history (57%), procedure quality (40%), and procedure interpretation (58%). CONCLUSIONS: Clinicians' colonoscopy reporting practices are widely variable and often suboptimal. There is an opportunity to improve the quality of care in colonoscopy reporting by improving physicians' adherence to established standards.

Colonoscopy↗
PubMed2005

Witnessing invasive paediatric procedures, including resuscitation, in the emergency department: a parental perspective.

OBJECTIVE: To determine whether parents prefer to be present during invasive procedures performed on their children in the ED. METHODS: A prospective study using a written survey was carried out in the ED of a secondary level regional hospital in south-east Queensland. The survey conducted between August 2003 and November 2003 consisted of parental demographics, seven theoretical paediatric procedural scenarios with increasing level of procedural invasiveness (including resuscitation) and reasons for the decisions of parents to either stay with the child or leave the room. Parents of children with Australasian Triage Scale (ATS) triage category 3, 4 and 5 were surveyed. RESULTS: Of 573 surveys collected, 553 (96.5%) were completed correctly. The number of parents expressing a desire to be present during a procedure performed on their child was 519 (93.9%) for phlebotomy or i.v. cannulation of an extremity, 485 (87.7%) for nasogastric tube insertion, 461 (83.4%) for lumbar puncture, 464 (83.9%) for urinary catheter insertion, 430 (77.8%) for suprapubic bladder aspiration, 519 (93.4%) during procedural sedation and 470 (85%) during a resuscitation where the possibility existed that their child may die. The most common reason for wanting to be present was to provide comfort to their child (542/98%). The most common reason for not wanting to be present was a parental concern of getting in the way (181/33%). CONCLUSION: Most parents surveyed would want to be present when invasive procedures are performed on their children in the ED. With increasing invasiveness, parental desire to be present decreased. However, the overwhelming majority of parents would want to be in attendance during procedural sedation or resuscitation.

Adolescent↗
PubMed2005

Complications of endoscopic retrograde cholangiography in the post-MRCP era: a tertiary center experience.

AIM: To evaluate our experience in endoscopic retrograde cholangio-pancreatography (ERCP) in terms of fulfilling the ASGE guidelines in indications, positive findings, and complications in the post-magnetic resonance cholangiopancreatography (MRCP) era. METHODS: Between November 2001 and February 2003, consecutive ERCP cases were prospectively evaluated with regard to the indications, findings, cannulation techniques, devices used during the procedure, sedation given, duration of procedure, and complications. These data were entered in a database for subsequent processing and analysis. RESULTS: Of 336 cases, 21.4% were diagnostic and 78.6% therapeutic ERCP. The indications for ERCP fulfilled the ASGE guidelines in 323 cases (96.1%). Suspected bile duct stone was the most frequent indication (26.8%), and this was followed by cholangitis (24.4%), dilated common bile duct (14.9%), and cholestatic jaundice (13.4%). Cannulation success rate was 94%. Biliary sphincterotomy was performed in 175 (52.1%) patients. Repeated ERCP was performed on 31.5% of the patients. Overall, the complication rate was 9.8% with 0.3% being procedure-related mortality. The complications were pancreatitis (5.4%), bleeding (0.8%), cholangitis (2.4%) and others (1.5%). No significant difference was observed between the complication rate and the type of ERCP performed. CONCLUSION: Our study showed that post-ERCP complication rate was comparable with the other large prospective studies and there was no difference in the complication between the diagnostic and therapeutic ERCP.

Adolescent↗
PubMed2006

Is atropine needed with ketamine sedation? A prospective, randomised, double blind study.

OBJECTIVE: To compare atropine with placebo as an adjunct to ketamine sedation in children undergoing minor painful procedures. Outcome measures included hypersalivation, side effect profile, parental/patient satisfaction, and procedural success rate. METHODS: Children aged between 1 and 16 years of age requiring ketamine procedural sedation in a tertiary emergency department were randomised to receive 0.01 mg/kg of atropine or placebo. All received 4 mg/kg of intramuscular ketamine. Tolerance and sedation scores were recorded throughout the procedure. Side effects were recorded from the start of sedation until discharge. Parental and patient satisfaction scores were obtained at discharge and three to five days after the procedure, with the opportunity to report side effects encountered at home. RESULTS: A total of 83 patients aged 13 months to 14.5 years (median age 3.4 years) were enrolled over a 16 month period. Hypersalivation occurred in 11.4% of patients given atropine compared with 30.8% given placebo (odds ratio (OR) 0.29, 95% confidence interval (CI) 0.09 to 0.91). A transient rash was observed in 22.7% of the atropine group compared with 5.1% of the placebo group (OR 5.44, 95% CI 1.11 to 26.6). Vomiting during recovery occurred in 9.1% of atropine patients compared with 25.6% of placebo patients (OR 0.29, 95% CI 0.09 to 1.02). There was a trend towards better tolerance in the placebo group. No patient experienced serious side effects. CONCLUSION: Ketamine sedation was successful and well tolerated in all cases. The use of atropine as an adjunct for intramuscular ketamine sedation in children significantly reduces hypersalivation and may lower the incidence of post-procedural vomiting. Atropine is associated with a higher incidence of a transient rash. No serious adverse events were noted.

Adjuvants, Anesthesia↗
PubMed2001

Ketamine sedation for pediatric gastroenterology procedures.

BACKGROUND: Although the dissociative sedative ketamine is used commonly for pediatric procedural sedation in other settings, the safety of this agent in pediatric gastroenterology is not well-studied. A 5-year experience with ketamine sedation for pediatric gastroenterology procedures was reviewed to document the safety profile of this agent and to identify predictors of laryngospasm during esophagogastroduodenoscopy (EGD). METHODS: The study was a retrospective consecutive case series of children receiving ketamine administered by pediatric gastroenterologists skilled in basic airway management to facilitate pediatric gastrointestinal procedures during a 5-year period. Patient's records were reviewed to determine indication, dosage, adverse effects, drugs, inadequate sedation, and recovery time for each sedation. A multiple logistic regression analysis was performed to identify predictors of laryngospasm during EGD. Outcome measures were descriptive features of sedation, including adverse effects and predictors of laryngospasm during EGD. RESULTS: During the study period pediatric gastroenterologists administered ketamine 636 times, primarily for EGD (86%) and primarily by the intravenous route (98%). The median loading dose and total dose were 1.00 mg/kg and 1.34 mg/kg, respectively. Inadequate sedation was noted in seven (1.1%) procedures. Adverse effects included transient laryngospasm (8.2%), emesis (4.1%), recovery agitation (2.4%), partial airway obstruction (1.3%), apnea and respiratory depression (0.5%), and excessive salivation (0.3%). There were no adverse outcomes attributable to ketamine. Nearly half (46%) the subjects had severe underlying illness (American Society of Anesthesiologists (ASA] class > or =3). All instances of laryngospasm occurred during EGD (9.5% incidence), and the only independent predictor of laryngospasm in this sample was decreasing age. The incidence of laryngospasm was 13.9% in preschool-aged (< or =6 years) children and was 3.6% in school-aged (>6 years) children (difference 10.3%, 95% confidence intervals 5.5-14.9%). No dose relationship was noted with laryngospasm, and the risk did not increase with underlying illness. CONCLUSION: Pediatric gastroenterologists skilled in ketamine administration and basic airway management can effectively administer this drug to facilitate gastrointestinal procedures. Transient laryngospasm occurred in 9.5% of children receiving ketamine for EGD, and its incidence was greater in preschool than in school-aged children.

Adolescent↗
PubMed2000

The use of bispectral analysis in patients undergoing intravenous sedation for third molar extractions.

PURPOSE: The bispectral (BIS) index has been used to interpret electroencephalogram (EEG) recordings to predict the level of sedation and loss of consciousness in patients undergoing general anesthesia. It was the purpose of this project to assess the usefulness of BIS technology in determining the level of sedation in patients undergoing third molar extraction under conscious sedation. PATIENTS AND METHODS: Twenty-five subjects undergoing third molar extraction in an outpatient setting were analyzed. The EEG activity was recorded continually during surgery using a microcomputer (Aspect-1050 Monitor; Aspect Co, Natick, MA) with real-time bispectral data obtained by EEG skin electrodes through a frontotemporal montage. The Observer's Assessment of Alertness and Sedation (OAA/S) scale was used to subjectively assess the level of sedation observed by the anesthetist before initiating the sedation procedure and then at 5-minute intervals until the end of the procedure. The BIS level was simultaneously recorded. The initial sedation was accomplished using a standard dose of midazolam (0.05 mg/kg) and fentanyl (1.5 microg/kg) followed by a 10- to 30-mg bolus of propofol until a level of sedation at which the patient's eyes were closed and he or she was responsive only to vigorous stimulation or repeated loud calling of their name (OAA/S level of 1 to 2). Local anesthesia was then administered. Additional doses of sedative medication (midazolam or propofol) were given during the procedure to maintain the desired level of sedation (an OAA/S level of 2 to 3). The time and dose of the drug given were recorded. The level of sedation based on a single anesthetist's interpretation (OAA/S) and the BIS readings were then compared. RESULTS: A strong positive relationship between the BIS index and OAA/S readings was found (P < .0001). Pairwise comparisons of mean BIS index and its corresponding OAA/S level were significantly different from each other (P < .003) except for OAA/S levels 2 and 3 (P = .367). CONCLUSION: BIS technology offers an objective, ordinal means of assessing the depth of sedation. There was a strong relationship between the objective BIS values and subjective assessment (OAA/S scale) of the depth of anesthesia. This can be invaluable in providing an objective assessment of sedation in oral and maxillofacial surgery where it may be difficult to determine the level of sedation clinically.

Adolescent↗
PubMedDate not supplied

A suggested curriculum for teaching conscious sedation in advanced general practice programs: GPR and AEGD. American Association of Hospital Dentists.

Previously published national guidelines related to the teaching and performance of conscious sedation in dentistry have not included guidance in this area for program directors of General Practice Residency and Advanced Education in General Dentistry Programs. A suggested curriculum is presented here for use by program directors of such programs who wish to design training experiences in their own programs or as a reference for program directors who wish to compare their programs with experiences provided in other locations. Guidelines are provided for facilities, equipment, personnel, records and preparation necessary to perform conscious sedation procedures, as well as goals, objectives, and evaluation methodology for training residents in conscious sedation.

Anesthesiology↗
PubMed2000

Rectal methohexital sedation for computed tomography imaging of stable pediatric emergency department patients.

OBJECTIVE: Rapid onset of sleep, brief duration of action, and ease of administration are properties that make rectal methohexital (MXT) an attractive choice for sedating stable pediatric emergency department (ED) patients for computed tomography (CT) imaging. METHODOLOGY: One hundred stable patients between 3 and 60 months of age who presented to any of 3 participating EDs and required sedation to undergo CT scanning were given 25 mg/kg of rectal MXT approximately 15 minutes before their imaging. Vital signs and oxygen saturation were recorded at regular intervals. Data collected included indication for CT imaging, time to achieve sleep, time to reach discharge criteria, adequacy of sedation, adverse effects, and parental satisfaction. RESULTS: Ninety-five percent of the patients were adequately sedated with rectal MXT. It took an average of 8 minutes to achieve full sedation and the duration of action averaged 79.3 minutes. Ten percent had transient side effects, but all recovered completely. None required intubation. Parental satisfaction was 90%. CONCLUSION: Rectal MXT compares favorably to other methods of nonintravenous sedation for CT scanning of stable pediatric ED patients in terms of rapidity of onset and reliability but does cause a significant amount of transient respiratory depression. Its use requires careful monitoring of oxygen saturation and should be used only in a setting where physicians skilled in airway management are present. If these requirements are met, it may be a good choice for the relatively noninvasive sedation of pediatric ED patients undergoing painless but anxiety-provoking procedures.methohexital, pediatric procedure sedation, rectal administration, computerized tomography imaging.

Administration, Rectal↗