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Beaty EH, Fernando RJ, Jacobs ML, Winter GG, Bulla C, Singleton MJ, Patel NJ, Bradford NS, Bhave PD, Royster RL. Comparison of Bolus Dosing of Methohexital and Propofol in Elective Direct Current Cardioversion. J Am Heart Assoc 2022; 11:e026198. [PMID: 36129031 DOI: 10.1161/jaha.122.026198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background Methohexital and propofol can both be used as sedation for direct current cardioversion (DCCV). However, there are limited data comparing these medications in this setting. We hypothesized that patients receiving methohexital for elective DCCV would be sedated more quickly, recover from sedation faster, and experience less adverse effects. Methods and Results This was a prospective, blinded randomized controlled trial conducted at a single academic medical center. Eligible participants were randomly assigned to receive either methohexital (0.5 mg/kg) or propofol (0.8 mg/kg) as a bolus for elective DCCV. The times from bolus of the medication to achieving a Ramsay Sedation Scale score of 5 to 6, first shock, eyes opening on command, and when the patient could state their age and name were obtained. The need for additional medication dosing, airway intervention, vital signs, and medication side effects were also recorded. Seventy patients who were randomized to receive methohexital (n=37) or propofol (n=33) were included for analysis. The average doses of methohexital and propofol were 0.51 mg/kg and 0.84 mg/kg, respectively. There were no significant differences between methohexital and propofol in the time from end of injection to loss of conscious (1.4±1.8 versus 1.1±0.5 minutes; P=0.33) or the time to first shock (1.7±1.9 versus 1.4±0.5 minutes; P=0.31). Time intervals were significantly lower for methohexital compared with propofol in the time to eyes opening on command (5.1±2.5 versus 7.8±3.7 minutes; P=0.0005) as well as at the time to the ability to answer simple questions of age and name (6.0±2.6 versus 8.6±4.0 minutes; P=0.001). The methohexital group experienced less hypotension (8.1% versus 42.4%; P<0.001) and less hypoxemia (0.0% versus 15.2%; P=0.005), had lower need for jaw thrust/chin lift (16.2% versus 42.4%; P=0.015), and had less pain on injection compared with propofol using the visual analog scale (7.2±9.7 versus 22.4±28.1; P=0.003). Conclusions In this model of fixed bolus dosing, methohexital was associated with faster recovery, more stable hemodynamics, and less hypoxemia after elective DCCV compared with propofol. It can be considered as a preferred agent for sedation for DCCV. Registration URL: https://www.clinicaltrials.gov/ct; Unique identifier: NCT04187196.
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Affiliation(s)
- Elijah H Beaty
- Section on Cardiovascular Medicine, Department of Internal Medicine Wake Forest School of Medicine Winston-Salem NC
| | - Rohesh J Fernando
- Department of Anesthesiology Wake Forest School of Medicine Winston-Salem NC
| | | | - Gillian G Winter
- Section on Cardiovascular Medicine, Department of Internal Medicine Wake Forest School of Medicine Winston-Salem NC
| | - Catalina Bulla
- Hospital Medicine Cleveland Clinic Florida, Indian River Hospital Vero Beach FL
| | | | - Neel J Patel
- Section on Cardiovascular Medicine, Department of Internal Medicine Wake Forest School of Medicine Winston-Salem NC
| | - Natalie S Bradford
- Section on Cardiovascular Medicine, Department of Internal Medicine Wake Forest School of Medicine Winston-Salem NC
| | - Prashant D Bhave
- Section on Cardiovascular Medicine, Department of Internal Medicine Wake Forest School of Medicine Winston-Salem NC
| | - Roger L Royster
- Department of Anesthesiology Wake Forest School of Medicine Winston-Salem NC
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Song JW, Soh S, Shim JK. Monitored Anesthesia Care for Cardiovascular Interventions. Korean Circ J 2019; 50:1-11. [PMID: 31642214 PMCID: PMC6923237 DOI: 10.4070/kcj.2019.0269] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Accepted: 08/26/2019] [Indexed: 01/28/2023] Open
Abstract
The interventional cardiology is growing and evolving. Many complex procedures are now performed outside the operating room to manage cardiovascular pathologies which had been traditionally treated with cardiac surgery. Appropriate sedation strategy is crucial for improved patient comfort and successful procedure while ensuring safety. Sedation for cardiovascular intervention is frequently challenging, especially in critically-ill, high-risk patients. This review addresses pre-procedure evaluation and preparation of patients, proper monitoring, commonly used sedatives and analgesics, and considerations for specific procedures. Appropriate depth of sedation and analgesia should be balanced with patient, procedural and institutional factors. Understanding of the pharmacology of sedatives/analgesics, vigilant monitoring, ability and proper preparation for management of potential complications may improve outcomes in patients undergoing sedation for cardiovascular procedures.
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Affiliation(s)
- Jong Wook Song
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sarah Soh
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jae Kwang Shim
- Department of Anesthesiology and Pain Medicine, Anesthesia and Pain Research Institute, Yonsei Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea.
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Lauridsen KG, Schmidt AS, Adelborg K, Bach L, Hornung N, Jepsen SM, Deakin CD, Rickers H, Løfgren B. Effects of hyperoxia on myocardial injury following cardioversion-A randomized clinical trial. Am Heart J 2018; 196:97-104. [PMID: 29421020 DOI: 10.1016/j.ahj.2017.10.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 10/01/2017] [Indexed: 01/08/2023]
Abstract
Oxygen has long been assumed beneficial for all ill and injured patients. However, hyperoxia may be harmful and aggravate myocardial injury such as that caused by myocardial infarction. We aimed to investigate if hyperoxia increases myocardial injury following direct current cardioversion compared with room air. METHODS Patients undergoing elective biphasic cardioversion for atrial fibrillation or atrial flutter were randomized to receive room air or oxygen (10-15 L/min) during the procedure. The primary endpoint was the difference in high-sensitive Troponin I (hs-cTnI) and -T (hs-cTnT) measured 2 hours before and 4 hours after cardioversion. Secondary endpoints were differences in Copeptin and NT-pro-BNP. RESULTS A total of 65 patients were randomized to high-flow oxygen (male: 71%, mean age 66.9 years) and 59 patients to room air (male: 80%, mean age 65.5 years). There was no difference in hs-cTnI between patients treated with oxygen compared to patients treated with room air (P=.09) and no significant difference for hs-cTnT, ratio 1.08 (95% CI: 0.99-1.18) (P=.09). Median hs-cTnI difference before and after cardioversion was 0.1 (interquartile range (IQR): -0.5 to 0.5) ng/L for the high-flow oxygen group and -0.3 (IQR: -1.1 to 0.4) ng/L for the room air group. There was no difference in Copeptin between patients treated with oxygen compared to room air (ratio 1.06 (95% CI: 0.89-1.27) (P=.51) or NT-pro-BNP (difference-6.0 ng/L (95% CI: -78.5 to 66.6) P=.87). CONCLUSION Direct current cardioversion of atrial fibrillation/flutter with and without high-flow oxygen supplement was not associated with myocardial injury evaluated by high sensitive myocardial biomarkers.
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Gerstein NS, Young A, Schulman PM, Stecker EC, Jessel PM. Sedation in the Electrophysiology Laboratory: A Multidisciplinary Review. J Am Heart Assoc 2016; 5:JAHA.116.003629. [PMID: 27412904 PMCID: PMC4937286 DOI: 10.1161/jaha.116.003629] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Neal S Gerstein
- Department of Anesthesiology and Critical Care Medicine, University of New Mexico School of Medicine, Albuquerque, NM
| | - Andrew Young
- Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR
| | - Peter M Schulman
- Department of Anesthesiology and Perioperative Medicine, Oregon Health & Science University, Portland, OR
| | - Eric C Stecker
- Knight Cardiovascular Institute, Oregon Health & Science University, Portland, OR
| | - Peter M Jessel
- Knight Cardiovascular Institute, VA Portland Health Care System, Portland, OR
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Guerra F, Pavoni I, Romandini A, Baldetti L, Matassini MV, Brambatti M, Luzi M, Pupita G, Capucci A. Feasibility of a cardiologist-only approach to sedation for electrical cardioversion of atrial fibrillation: A randomized, open-blinded, prospective study. Int J Cardiol 2014; 176:930-5. [DOI: 10.1016/j.ijcard.2014.08.050] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 08/05/2014] [Accepted: 08/09/2014] [Indexed: 11/28/2022]
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Knackstedt C, Becker M, Mischke K, Pauling R, Brunner-La Rocca HP, Schauerte P. A dedicated cardioversion unit for the treatment of atrial fibrillation. Reducing costs by optimizing processes. Herz 2011; 37:518-26. [PMID: 22095023 DOI: 10.1007/s00059-011-3546-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2011] [Revised: 08/15/2011] [Accepted: 10/05/2011] [Indexed: 11/28/2022]
Abstract
BACKGROUND Atrial fibrillation (AF) is the most frequent arrhythmia seen in man. Many patients are admitted to the hospital to undergo transesophageal echocardiography (TEE) for thrombus exclusion and subsequent electrical cardioversion (ECV) under deep sedation to restore sinus rhythm. The present study investigated prospectively how workflow optimization can contribute to reducing time and costs in AF patients scheduled for ECV in an outpatient setting. METHODS A cardioversion unit (CU) was established and equipped to perform all ECV-associated procedures. Between November 2007 and January 2009, ECV was performed in 115 patients in an outpatient setting. Three different settings were tested for ECV: (1) usual care (n = 19): preparation/follow-up in the outpatient clinic, blood testing in the central hospital laboratory (CHL), TEE in the echocardiography laboratory, and ECV in the intensive care unit; (2) optimized process 1 (n = 41): preparation/follow-up, TEE + ECV during one sedation in the CU, blood testing in the CHL; (3) optimized process 2 (n = 55): preparation/follow-up, TEE + ECV and point of care (POC) blood testing in the CU. All procedure-related costs were listed and classified according to material, human resources, and infrastructure. RESULTS From setting 1 to 3, there was a significant decrease in procedural time from 480 ± 105 min to 205 ± 85 min (p < 0.001). Likewise, ECV-associated costs could be reduced from 683 ± 104 <euro> to 299 ± 63 <euro> (p < 0.001). CONCLUSION Establishing a CU for AF enables a more than 50% reduction in procedural time and costs. A combination of TEE and ECV in one sedation and POC testing in the CU were the major contributors to this time and cost reduction.
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Affiliation(s)
- C Knackstedt
- Department of Cardiology, University Hospital Maastricht, Maastricht, The Netherlands
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Morani G, Bergamini C, Angheben C, Pozzani L, Cicoira M, Tomasi L, Lanza D, Vassanelli C. General anaesthesia for external electrical cardioversion of atrial fibrillation: experience of an exclusively cardiological procedural management. Europace 2010; 12:1558-63. [PMID: 20713490 DOI: 10.1093/europace/euq276] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
AIMS External electrical cardioversion (EC) usually requires brief general anaesthesia involving anaesthetists. The aim of this study was to evaluate the feasibility and safety of inducing anaesthesia for EC of atrial fibrillation (AF) exclusively by the cardiologic team with anaesthetists on-hand. METHODS AND RESULTS A retrospective analysis of 624 elective EC, over a 6-year period, was made. No patients were excluded due to the severity of pathology or comorbidities. The protocol of the intravenous anaesthesia was 5 mg bolus of midazolam and subsequent increasing doses of propofol starting from 20 mg to achieve the desired sedation level. After delivering DC shock, a direct observation period followed in order to assess the post-sedation recovery and to detect the procedure-related complications. Electrical cardioversion was effective in 98.9% of the cases. General anaesthesia was effective in 100% of cases with a dosage of propofol, ranging between 20 mg to a maximum of 80 mg, after 5 mg of midazolam was administered. All patients generally showed a fast recovery waking up in a few minutes. The anaesthesiology team was never called for assistance. All the procedures were carried out by the cardiologic team as planned. No thrombo-embolic and allergic complications were observed. Arrhythmic complications were uncommon and essentially bradyarrhythmias. CONCLUSION A general anaesthesia for outpatient EC of AF can be safely handled by a cardiologist having adequate experience with anaesthetical agents. Moreover, the association of midazolam and a very small dosage of propofol, given their synergic action, is effective and safe in inducing anaesthesia. Arrhythmic complications are rare and limited to bradyarrhythmias.
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Affiliation(s)
- Giovanni Morani
- Department of Biomedical and Surgical Sciences, Division of Cardiology, University of Verona, Verona, Italy.
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Intravenous sedation for cardiac procedures can be administered safely and cost-effectively by non-anesthesia personnel. J Interv Card Electrophysiol 2008; 21:43-51. [DOI: 10.1007/s10840-007-9191-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2007] [Accepted: 11/28/2007] [Indexed: 10/22/2022]
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Notarstefano P, Pratola C, Toselli T, Baldo E, Ferrari R. Sedation with midazolam for electrical cardioversion. PACING AND CLINICAL ELECTROPHYSIOLOGY: PACE 2007; 30:608-11. [PMID: 17461869 DOI: 10.1111/j.1540-8159.2007.00720.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Electrical cardioversion (ECV) usually requires the assistance of the anesthesiology team. To avoid this dependence, previous studies have considered the use of sedation with benzodiazepines administered by cardiologists. We describe our experience with intravenous Midazolam during cardioversion. METHODS We performed 280 ECV in 202 patients sedated with intravenous Midazolam, without anesthesiology supervision. In scheduled cardioversions, we tested two protocols of Midazolam administration: a bolus of 3 mg, followed by 2 mg each minute until necessary, and a loading dose of 0.09-0.1 mg/kg. In cardioversions performed during electrophysiology studies or defibrillator implant, Midazolam was administered by small repeated doses during the entire procedure. RESULTS Midazolam was effective to obtain adequate sedation in 99% of cases. All patients had amnesia with regards of the cardioversion. A loading dose of Midazolam allowed a shortening of the procedural time without serious adverse events. Intubation or the assistance of an anesthetist was never necessary. CONCLUSION Sedation with Midazolam for ECV is effective and well tolerated, with some cautions discussed. A loading dose of Midazolam is well tolerated and further reduces the procedural time.
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Mennuni M, Bianconi L, Antonicoli S, Frongillo D, Molle G, Rossi P, Venturini E, Toscano S. Fast cardiologist-administered midazolam for electrical cardioversion of atrial fibrillation. J Cardiovasc Med (Hagerstown) 2007; 8:176-80. [PMID: 17312434 DOI: 10.2459/01.jcm.0000260825.52714.a6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIM To evaluate the safety and the feasibility of sedation administered by cardiologists with rapid intravenous bolus of midazolam followed by flumazenil infusion during transthoracic biphasic electrical cardioversion (TEC) for atrial fibrillation (AF). METHODS Two hundred and sixty-five consecutive patients (119 females, mean age 67.4 +/- 8.5 years) with either acute (24 patients) or persistent AF (mean arrhythmia duration 3.7 +/- 3.0 months) underwent TEC. Midazolam (0.05 mg/kg) was administered as rapid intravenous bolus by the cardiologist, whereas the anaesthesiologist was simply alerted. At the end of the procedure, intravenous flumazenil 0.25 mg was given, followed by 0.25 mg over 1 h. Patients received continuous electrocardiographic and pulse-oxymetric monitoring. RESULTS Adequate sedation was obtained in 262 patients (98.9%), with a mean midazolam dose of 4.4 +/- 0.9 mg. After drug administration, the mean time to patient's sedation and reawakening were 3.1 +/- 1.9 and 6.1 +/- 2.7 min, respectively. The mean reduction in oxygen saturation was 5.4 +/- 3.7%. Sinus rhythm was restored in 254 patients (95.8%). All but 41 patients (15.5%) were completely amnesic. None reported pain. No adverse events were registered. No urgent call for the anaesthesiologist was made. CONCLUSIONS Conscious sedation with fast-administered midazolam followed by flumazenil for cardioversion of atrial fibrillation is safe, effective and well tolerated, easing the procedure and shortening its duration.
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Affiliation(s)
- Mauro Mennuni
- UOC Cardiologia-UTIC, L. Parodi Delfino Hospital, Colleferro, Italy.
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Maltepe F, Kocaayan E, Ugurlu BS, Akdeniz B, Guneri S. Comparison of remifentanil and fentanyl in anaesthesia for elective cardioversion. Anaesth Intensive Care 2006; 34:353-7. [PMID: 16802490 DOI: 10.1177/0310057x0603400309] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This prospective, randomized, double-blind study was designed to compare the recovery characteristics of remifentanil and fentanyl in combination with propofol for direct current cardioversion. Patients undergoing elective cardioversion received either intravenous fentanyl 1 microg/kg (n=33) or remifentanil 0.25 microg/kg (n=30) and propofol was titrated to a Ramsay sedation score of 5 by slow intravenous injection. Heart rate, systolic, diastolic and mean blood pressures decreased significantly following sedation in both groups but did not show a significant difference between the groups. Time to answer a question (306 +/- 83 vs 383 +/- 131s, mean +/- SD, P=0.014) and time to sit up (412 +/- 90 vs 511 +/- 126s, P=0.002) were significantly shorter in the remifentanil group compared to the fentanyl group. Side-effects and patient discomfort were similar for both groups. Remifentanil can be used as a suitable supplement to propofol for direct current cardioversion and may provide a faster recovery profile than fentanyl.
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Affiliation(s)
- F Maltepe
- Dokuz Eylul University Medical School, Department of Anesthesiology and Reanimation, Izmir, Turkey
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Abstract
OBJECTIVE To assess the results of a new cardioversion service that used intravenous midazolam sedation with cardioversion performed with a biphasic defibrillator by an experienced doctor with a prior review of patients in a pre-cardioversion clinic. METHODS 368 consecutive patients who were treated under the new service over its first 12 months (group 1) were compared with 210 consecutive patients who attended under the old system during the preceding 12 months (group 2). Patients of group 2 had cardioversion under general anaesthesia by junior doctors with a monophasic defibrillator. RESULTS There were no anaesthetic or respiratory complications in group 1. Of the patients in group 1, 10.3% remembered the shocks, with only 3.5% considering them unpleasant. Cardioversion was successful in 94.6% of group 1 patients after a mean energy of 117 J compared with 81.4% (p < 0.0001) and a mean energy of 242 J (p < 0.0001) for group 2 patients. Cancellations on the day of the procedure were reduced from 24% in group 2 to 3.4% in group 1. CONCLUSIONS The new service was found to be safe and more efficient. It has led to a large reduction in the waiting time for cardioversion.
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Affiliation(s)
- P J B Hubner
- Department of Cardiology, Glenfield Hospital, Leicester, UK
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Boodhoo L, Bordoli G, Mitchell AR, Lloyd G, Sulke N, Patel N. The safety and effectiveness of a nurse led cardioversion service under sedation. Heart 2004; 90:1443-6. [PMID: 15547025 PMCID: PMC1768581 DOI: 10.1136/hrt.2004.034900] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/22/2004] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To assess the safety and effectiveness of nurse led elective cardioversion of atrial fibrillation under sedation. DESIGN Prospective, longitudinal study. SETTING Cardiac catheterisation laboratory and recovery area of a district general hospital. PATIENTS 300 patients referred for elective cardioversion of persistent atrial fibrillation. INTERVENTIONS Pre-procedure evaluations (history, physical examination, blood tests), consent, sedation administration, cardioversions, and post-procedure monitoring until discharge by advanced life support certified coronary care unit nurses trained in the techniques. A doctor was immediately available if required but not present. MAIN OUTCOME MEASURES Success rates at discharge and at six weeks, energy delivered, number of shocks, dose of sedation, immediate, 24, and 48 hour patient perceptions, complications, waiting times, and cost effectiveness. RESULTS Cardioversion success rate was 87% at discharge and 48% at six weeks. Mean (SD) cumulative energy was 497 (282) J and number of shocks 1.6 (0.8). Mean (SD) dose of sedation was 23 (9) mg intravenous diazepam. No patient required reversal of sedation, airway support, or medical intervention. Ninety eight per cent of patients had no pain or recall of the procedure. Four patients who were adequately anticoagulated experienced embolic phenomena. Ninety eight per cent of patients would repeat the procedure if necessary. Without requirement for a physician or anaesthetist, waiting times for elective cardioversion fell from three months to under four weeks. There was a significant reduction in the estimated cost of the procedure from 337 pounds sterling with general anaesthesia to 130 pounds sterling with nurse led sedation and cardioversion (p < 0.001). CONCLUSION With appropriate training, a nurse led cardioversion service with sedation is safe, effective, well tolerated, and cost efficient.
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Affiliation(s)
- L Boodhoo
- Department of Cardiology, Eastbourne General Hospital, Eastbourne BN21 2UD, UK.
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