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Pitts L, Hellner N, Kofler M, Ryschka M, Unbehaun A, O'Brien B, Kempfert J, Hommel M. The Influence of Audiovisual Distraction on Pain Reduction During Transcatheter Aortic Valve Implantation Under Monitored Anesthesia Care: A Prospective Randomized Trial. J Cardiothorac Vasc Anesth 2024; 38:1353-1360. [PMID: 38555216 DOI: 10.1053/j.jvca.2023.11.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/26/2023] [Accepted: 11/27/2023] [Indexed: 04/02/2024]
Abstract
OBJECTIVES To investigate the effect of an audiovisual distraction system on the dose of remifentanil for perioperative sedation during transcatheter aortic valve implantation under monitored anesthesia care. DESIGN Single-center prospective randomized nonblinded study. SETTING Tertiary referral academic hospital. PARTICIPANTS Ninety patients who underwent transfemoral transcatheter aortic valve implantation between July 2019 and July 2021. INTERVENTIONS Patients were randomized to use either a novel audiovisual distraction system during the intervention (n = 45) or standard care without an audiovisual distraction system (n = 45). MEASUREMENTS AND MAIN RESULTS Standardized questionnaires were given to each patient at admission and before and after the intervention to assess their levels of anxiety. Primary endpoints were the average and peak infusion rates of remifentanil. All patients were considered for the final analysis according to an intention-to-treat design. No relevant differences in pre- and postinterventional anxiety status were observed between the groups. Similarly, there were no significant differences in reported pain scores (p = 0.364). The average infusion rate (p = 0.028) and peak infusion rate (p = 0.025) of remifentanil were lower in the group with an audiovisual distraction system. CONCLUSIONS Audiovisual distraction is a useful adjunct to reduce the dose of remifentanil under monitored anesthesia care during transcatheter aortic valve implantation. Larger studies are needed to evaluate potential positive effects on patient satisfaction, incidence of delirium, and possible economic benefits.
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Affiliation(s)
- Leonard Pitts
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité, Berlin, Germany; Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.
| | - Nicolas Hellner
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Department of Cardiac Anesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany
| | - Markus Kofler
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité, Berlin, Germany; Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; German Center for Cardiovascular Research, Berlin, Germany
| | - Martin Ryschka
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Department of Cardiac Anesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany
| | - Axel Unbehaun
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité, Berlin, Germany; Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Benjamin O'Brien
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Department of Cardiac Anesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany; German Center for Cardiovascular Research, Berlin, Germany
| | - Jörg Kempfert
- Department of Cardiothoracic and Vascular Surgery, Deutsches Herzzentrum der Charité, Berlin, Germany; Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; German Center for Cardiovascular Research, Berlin, Germany
| | - Matthias Hommel
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Department of Cardiac Anesthesiology and Intensive Care Medicine, Deutsches Herzzentrum der Charité, Berlin, Germany
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Elbakry AEA, El-Desoky IM, Saafan AG, Elsersy HE. The impact of melatonin on postoperative delirium in geriatric patients after colorectal surgery: a randomized placebo-controlled trial. Minerva Anestesiol 2024; 90:509-519. [PMID: 38869264 DOI: 10.23736/s0375-9393.24.17888-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024]
Abstract
BACKGROUND The current study was designed to evaluate the role of prophylactic melatonin administration in reducing delirium occurrence in elderly patients undergoing colorectal cancer surgeries. METHODS One hundred patients of both genders undergoing elective colorectal cancer surgeries under general anesthesia were randomly allocated into two equal groups. A treatment group of patients (Melatonin group) received five mg of melatonin the night before surgery, twelve hours before the scheduled surgery time, and an additional five mg of melatonin two hours before surgery. The control group of patients received placebo tablets at the same time points. Delirium score, sedation score, pain score, hemodynamics, oxygen saturation, and blood requirements were recorded. RESULTS Twenty-eight patients (56%) in the control group versus 18 (36%) in the melatonin group developed delirium (P=0.045), OR=2.26, 95% CI: 1.013-5.05. Five patients (18%) in the control group versus six (33%) in the melatonin group developed delirium on discharge from the recovery room (P=0.749), OR=1.22, 95% CI: 0.34-4.31, while 23 patients (82%) in the control group versus 12 (66%) in the melatonin group developed delirium six hours postoperative (P=0.021), OR=1.705, 95% CI: 1.02-2.81 with higher nursing delirium screening score in the control group 2 (1, 4) versus 1 (0, 2) in the melatonin group (P=0.002), 95% CI: 1.77-2.71. CONCLUSIONS The prophylactic administration of melatonin may decrease the incidence of postoperative delirium in elderly patients undergoing colorectal surgeries under general anesthesia.
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Affiliation(s)
- Abd-Elazeem A Elbakry
- Department of Anesthesia, Intensive Care and Pain Management, Faculty of Medicine, Menoufia University, Shibin El Kom, Egypt
| | - Islam M El-Desoky
- Department of Anesthesia, Intensive Care and Pain Management, Faculty of Medicine, Menoufia University, Shibin El Kom, Egypt
| | - Amal G Saafan
- Department of Anesthesia, Intensive Care and Pain Management, Faculty of Medicine, Menoufia University, Shibin El Kom, Egypt
| | - Hazem E Elsersy
- Department of Anesthesia, Intensive Care and Pain Management, Faculty of Medicine, Menoufia University, Shibin El Kom, Egypt -
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Del Tedesco F, Sessa F, Xhemalaj R, Sollazzi L, Dello Russo C, Aceto P. Perioperative analgesia in the elderly. Saudi J Anaesth 2023; 17:491-499. [PMID: 37779570 PMCID: PMC10540995 DOI: 10.4103/sja.sja_643_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 07/23/2023] [Accepted: 07/24/2023] [Indexed: 10/03/2023] Open
Abstract
The administration of analgesic drugs in elderly patients should take into account age-related physiological changes, loss of efficiency of homeostatic mechanisms, and pharmacological interactions with chronic therapies. Underestimation of pain in patients with impaired cognition is often linked to difficulties in pain assessment. In the preoperative phase, it is essential to assess the physical status, cognitive reserve, and previous chronic pain conditions to plan effective analgesia. Furthermore, an accurate pharmacological history of the patient must be collected to establish any possible interaction with the whole perioperative analgesic plan. The use of analgesic drugs with different mechanisms of action for pain relief in the intraoperative phase is a crucial step to achieve adequate postoperative pain control in older adults. The combined multimodal and opioid-sparing strategy is strongly recommended to reduce side effects. The use of various adjuvants is also preferable. Moreover, the implementation of non-pharmacological approaches may lead to faster recovery. High-quality postoperative analgesia in older patients can be achieved only with a collaborative interdisciplinary team. The aim of this review is to highlight the perioperative pain management strategies in the elderly with a special focus on intraoperative pharmacological interventions.
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Affiliation(s)
- Filippo Del Tedesco
- Dipartimento di Scienze dell’emergenza, anestesiologiche e della rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
| | - Flaminio Sessa
- Dipartimento di Scienze dell’emergenza, anestesiologiche e della rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
| | - Rikardo Xhemalaj
- Dipartimento di Scienze dell’emergenza, anestesiologiche e della rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
| | - Liliana Sollazzi
- Dipartimento di Scienze dell’emergenza, anestesiologiche e della rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Cinzia Dello Russo
- Dipartimento di Sicurezza e Bioetica, Sezione di Farmacologia, Università Cattolica Del Sacro Cuore, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Pharmacology and Therapeutics, Institute of Systems Molecular and Integrative Biology (ISMIB), University of Liverpool, Liverpool, United Kingdom
| | - Paola Aceto
- Dipartimento di Scienze dell’emergenza, anestesiologiche e della rianimazione, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo A. Gemelli, 8, 00168, Rome, Italy
- Dipartimento di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Università Cattolica del Sacro Cuore, Rome, Italy
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Almuzayyen HA, Chowdhury T, Alghamdi AS. Postoperative cognitive recovery and prevention of postoperative cognitive complications in the elderly patient. Saudi J Anaesth 2023; 17:550-556. [PMID: 37779573 PMCID: PMC10540994 DOI: 10.4103/sja.sja_529_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 10/03/2023] Open
Abstract
Elderly patients undergoing surgery are at higher risk of life-altering and costly complications. This challenge is increasingly recognized with the growing geriatric surgical population. Advanced age and comorbid conditions, such as disability and frailty that often develop with age, are all independent risk factors of postoperative morbidity and mortality. A common factor in this age group is cognitive impairment, which poses a challenge for the patient and clinician in the perioperative setting. It affects the capacity for informed consent and limits optimization before surgery; furthermore, an existing impairment may progress in severity during the perioperative period, and new onset of signs of delirium or postoperative cognitive dysfunction may arise during postoperative recovery. In this article, we aim to review the current literature examining the latest definitions, diagnostic criteria, and preventive strategies that may ameliorate postoperative cognitive complications.
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Affiliation(s)
- Hisham A. Almuzayyen
- Department of Anesthesiology, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
- King Fahad Hospital of University, Imam Abdulrahman Bin Faisal University, Khobar, Saudi Arabia
| | - Tumul Chowdhury
- Department of Anesthesia, Toronto Western Hospital, Clinical Investigator, UHN, University of Toronto, Toronto, Canada
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Neuromonitoring depth of anesthesia and its association with postoperative delirium. Sci Rep 2022; 12:12703. [PMID: 35882875 PMCID: PMC9325758 DOI: 10.1038/s41598-022-16466-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 07/11/2022] [Indexed: 11/08/2022] Open
Abstract
Delirium after surgery or Postoperative delirium (POD) is an underdiagnosed entity, despite its severity and high incidence. Patients with delirium require a longer hospital stay and present more postoperative complications, which also increases hospital costs. Given its importance and the lack of specific treatment, multifactorial preventive strategies are evidenced based. Our hypothesis is that using general anaesthesia and avoiding the maximum time in excessively deep anaesthetic planes through BIS neuromonitoring device will reduce the incidence of postoperative delirium in patients over the age of 65 and their hospitalization stay. Patients were randomly assigned to two groups: The visible BIS group and the hidden BIS neuromonitoring group. In the visible BIS group, the depth of anaesthesia was sustained between 40 and 60, while in the other group the depth of anaesthesia was guided by hemodynamic parameters and the Minimum Alveolar Concentration value. Patients were assessed three times a day by research staff fully trained during the 72 h after the surgery to determine the presence of POD, and there was follow-up at 30 days. Patients who developed delirium (n = 69) was significantly lower in the visible BIS group (n = 27; 39.1%) than in the hidden BIS group (n = 42, 60.9%; p = 0.043). There were no differences between the subtypes of delirium in the two groups. Patients in the hidden BIS group were kept for 26.6 ± 14.0 min in BIS values < 40 versus 11.6 ± 10.9 min (p < 0.001) for the patients in the visible BIS group. The hospital stay was lower in the visible BIS group 6.56 ± 6.14 days versus the 9.30 ± 7.11 days (p < 0.001) for the hidden BIS group, as well as mortality; hidden BIS 5.80% versus visible BIS 0% (p = 0.01). A BIS-guided depth of anaesthesia is associated with a lower incidence of delirium. Patients with intraoperative neuromonitoring stayed for a shorter time in excessively deep anaesthetic planes and presented a reduction in hospital stay and mortality.
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Gnatta JR, Cavassana TM, Nascimento ASD, Poveda VDB. Instruments to Identify Delirium in Patients Recovering From Anesthesia: A Scoping Review. J Perianesth Nurs 2022; 37:961-965.e7. [PMID: 35760717 DOI: 10.1016/j.jopan.2021.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/06/2021] [Accepted: 12/26/2021] [Indexed: 11/15/2022]
Abstract
PURPOSE To identify the validated instruments used for screening and detecting postoperative delirium (POD) during Post Anesthesia Recovery (PAR) period, and the incidence and associated risk factors with POD. DESIGN A scoping review. METHODS The study search occurred in May 2021 in the PubMed, Embase, Scopus, CINAHL, Web of Science and LILACS databases. Primary studies that used validated instruments for screening and detecting POD in the PAR period were included. FINDINGS A total of 38 articles were included. The most used instruments were CAM-ICU, Nu-DESC, and RASS. The instruments that screened and detected delirium earliest were the Nu-DESC and CAM-ICU. POD incidence was up to 20% in more than half of the included studies. Cardiovascular comorbidities, chronic kidney disease, low functional reserve, chronic obstructive pulmonary disease and postoperative pain were among the primary risk factors. CONCLUSION The instrumentsshowing the greatest accuracy for screening and detecting POD in the PAR period were the Nu-DESC and CAM-ICU.
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Affiliation(s)
- Juliana Rizzo Gnatta
- Medical Surgical Department, School of Nursing, University of Sao Paulo, Brazil; The Brazilian Centre of Evidence-based Healthcare: A JBI Centre of Excellence (JBI Brazil)
| | | | | | - Vanessa de Brito Poveda
- Medical Surgical Department, School of Nursing, University of Sao Paulo, Brazil; The Brazilian Centre of Evidence-based Healthcare: A JBI Centre of Excellence (JBI Brazil)
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Bilotta F, Weiss B, Neuner B, Kramer S, Aldecoa C, Bettelli G, Sanders RD, Delp SM, Spies CD. Routine management of postoperative delirium outside the ICU: Results of an international survey among anaesthesiologists. Acta Anaesthesiol Scand 2020; 64:494-500. [PMID: 31883373 DOI: 10.1111/aas.13535] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 11/18/2019] [Accepted: 12/16/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND Postoperative delirium (POD) is a severe brain dysfunction. Although data indicate a high relevance, no survey has investigated the routine practice to monitor delirium outside the ICU setting after surgery. Prior to publishing of the new European Society of Anaesthesiology (ESA) guidelines on POD, an international survey was conducted to assess current practice. METHODS European Society of Anaesthesiology-endorsed online survey; Trial Registration: NCT-identifier: 02513537. RESULTS In total, 566 respondents from 62 countries accessed, and 564 (99.6%) completed the survey (completion rate). Overall, 385 (68%) of the respondents reported that delirium is either "very relevant" or "relevant" for their daily clinical practice. In all, 38 (7%) of the respondents routinely monitor for delirium in >50% of all patients. Asked on the monitoring time point, more than half (n = 308, 55%) indicated to screen before or at recovery room discharge, 235 (42%) up to the first postoperative day, 143 (25%) up to 3 days, and 77 (14%) up to 5 postoperative days. Although there is a lack of long-term monitoring, nearly all respondents (n = 530, 94%) reported to treat delirium. Availability of EEG/EMG-based monitoring to assess the depth of anaesthesia was high in the study group (n = 547, 97%) and was used by more than one-third of the respondents to reduce risk of burst suppression (n = 189, 34%). CONCLUSION Although delirium is perceived as a relevant condition among anaesthesiologists, there is a high demand for implementing monitoring strategies after publishing of the POD Guideline. The survey shows that tools necessary for POD Guideline implementation are available in the centres represented by the respondents.
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Affiliation(s)
- Federico Bilotta
- Department of Anesthesiology Critical Care and Pain Medicine, "Sapienza" University of Rome Rome Italy
| | - Bjoern Weiss
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | - Bruno Neuner
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | - Sylvia Kramer
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | - César Aldecoa
- Department of Anaesthesiology & Intensive Care Hospital Universitario Rio Hortega Valladolid Spain
| | - Gabriella Bettelli
- Department of Geriatric Surgery Italian National Research Centres on Aging/IRCCS Ancona Italy
- Department of Anaesthesia, Analgesia and Intensive Care Italian National Research Centres on Aging/IRCCS Ancona Italy
| | | | - Simon M. Delp
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | - Claudia D. Spies
- Department of Anesthesiology and Operative Intensive Care Medicine (CCM, CVK) Charité – Universitätsmedizin Berlin corporate member of Freie Universität Berlin Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
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Jin T, Jin Y, Lee SM. Medication Use and Risk of Delirium in Mechanically Ventilated Patients. Clin Nurs Res 2019; 30:474-481. [PMID: 31466469 DOI: 10.1177/1054773819868652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
One of the principal complications in patients in the intensive care unit, particularly in those receiving mechanical ventilation, is medication-induced delirium. The present study aimed to intensively analyze pharmaceutical factors affecting the development of delirium in mechanically ventilated patients using the electronic health records. The present study was designed as a retrospective case-control study. The delirium group included 500 mechanically ventilated patients. The non-delirium group included 2,000 patients who were hospitalized during the same period as the delirium group and received mechanical ventilation. A total of seven types of medications (narcotic analgesics, non-narcotic analgesics, psychopharmaceuticals, sleep aid medications, anticholinergics, steroids, and diuretics), conventionally used to manage mechanical ventilation, were found to be major risk factors associated with the occurrence of delirium. Since these medications are an integral part of managing mechanically ventilated patients, prudent protocol-based medication approaches are essential to decrease the risk of delirium.
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Affiliation(s)
- Taixian Jin
- The Catholic University of Korea, Seoul, Republic of Korea
| | | | - Sun-Mi Lee
- The Catholic University of Korea, Seoul, Republic of Korea
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Home-based Cognitive Prehabilitation in Older Surgical Patients: A Feasibility Study. J Neurosurg Anesthesiol 2019; 31:212-217. [PMID: 30557230 DOI: 10.1097/ana.0000000000000569] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Cognitive training is beneficial in various clinical settings, although its perioperative feasibility and impact remain unknown. The objective of this pilot study was to determine the feasibility of home-based cognitive prehabilitation before major surgery in older adults. MATERIALS AND METHODS Sixty-one patients were enrolled, randomized, and allocated to either a home-based preoperative cognitive training regimen or no training before surgery. Outcomes included postoperative delirium incidence (primary outcome; assessed with the 3D-Confusion Assessment Method), perioperative cognitive function based on NIH Toolbox measures, hospital length of stay, and physical therapy session participation. Reasons for declining enrollment were reported, as were reasons for opting out of the training program. RESULTS Postoperative delirium incidence was 6 of 23 (26%) in the prehabilitation group compared with 5 of 29 (17%) in the control group (P=0.507). There were no significant differences between groups in NIH Toolbox cognitive function scoring, hospital length of stay, or physical therapy participation rates. Study feasibility data were also collected and reported. The most common reasons for declining enrollment were lack of computer access (n=19), time commitment (n=9), and feeling overwhelmed (n=9). In the training group, only 5 of 29 (17%) included patients were able to complete the prescribed 7 days of training, and 14 of 29 (48%) opted out of training once home. Most common reasons were feeling overwhelmed (n=4) and computer difficulties (n=3). CONCLUSIONS Short-term, home-based cognitive training before surgery is unlikely to be feasible for many older patients. Barriers to training include feeling overwhelmed, technical issues with training, and preoperative time commitment.
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Safavynia SA, Arora S, Pryor KO, García PS. An update on postoperative delirium: Clinical features, neuropathogenesis, and perioperative management. CURRENT ANESTHESIOLOGY REPORTS 2018; 8:252-262. [PMID: 30555281 PMCID: PMC6290904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
PURPOSE OF REVIEW We present a focused review on postoperative delirium for anesthesiologists, encompassing clinical features, neuropathogenesis, and clinical identification and management strategies based on risk factors and current delirium treatments. RECENT FINDINGS The literature on postoperative delirium is dominated by non-experimental studies. We review delirium phenotypes, diagnostic criteria, and present standard nomenclature based on current literature. Disruption of cortical integration of complex information (CICI) may provide a framework to understand the neuropathogenesis of postoperative delirium, as well as risk factors and clinical modifiers in the perioperative period. We further divide risk factors into patient factors, surgical factors, and medical/pharmacological factors, and present specific considerations for each in the preoperative, intraoperative, and postoperative periods. SUMMARY Postoperative delirium is prevalent, poorly understood, and often missed with current screening techniques. Proper identification of risk factors is useful for perioperative interventions and can help tailor patient-specific management strategies.
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Affiliation(s)
- Seyed A. Safavynia
- Department of Anesthesiology, Weill Cornell Medical
College, New York, NY, USA
| | - Sona Arora
- Department of Anesthesiology, Emory University, Atlanta,
GA, USA
| | - Kane O. Pryor
- Department of Anesthesiology, Weill Cornell Medical
College, New York, NY, USA
| | - Paul S. García
- Department of Anesthesiology, Emory University, Atlanta,
GA, USA
- Neuroanesthesia Laboratory, Atlanta VA Medical Center/Emory
University, Atlanta, GA, USA
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Safavynia SA, Arora S, Pryor KO, García PS. An Update on Postoperative Delirium: Clinical Features,
Neuropathogenesis, and Perioperative Management. CURRENT ANESTHESIOLOGY REPORTS 2018. [DOI: 10.1007/s40140-018-0282-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Liu D, Lyu J, Zhao H, An Y. The influence of analgesic-based sedation protocols on delirium and outcomes in critically ill patients: A randomized controlled trial. PLoS One 2017; 12:e0184310. [PMID: 28910303 PMCID: PMC5598969 DOI: 10.1371/journal.pone.0184310] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 08/21/2017] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To investigate the influence of analgesic-based midazolam sedation on delirium and outcomes in critically ill patients and to analyze the risk factors of delirium. DESIGN Single center, prospective randomized controlled trial. SETTING A surgical intensive care unit (ICU) in a tertiary care hospital in China. PATIENTS Mechanically ventilated patients requiring sedation. MEASUREMENTS AND MAIN RESULTS Patients admitted to the surgical intensive care unit who required sedation and were undergoing mechanical ventilation for longer than 24 hours were randomly divided into three groups: 1) the remifentanil group received remifentanil and midazolam, 2) the fentanyl group received fentanyl and midazolam, and 3) the control group received only midazolam. The analgesic effect, sedation depth, and presence of delirium were evaluated. To compare the effect of different therapies on the occurrence of delirium, days of mechanical ventilation, length of the ICU stay, and 28-day mortality were measured along with the risk factors for delirium. A total of 105 patients were enrolled, and 35 patients were included in each group. Compared to the control group, patients who received remifentanil and fentanyl required less midazolam each day (P = 0.038 and <0.001, respectively). Remifentanil has a significant effect on reducing the occurrence of delirium (P = 0.007). The logistic regression analysis of delirium demonstrated that remifentanil (OR 0.230, 95%Cl 0.074-0.711, P = 0.011) is independent protective factors for delirium, and high APACHE II score (OR 1.103, 95%Cl 1.007-1.208, P = 0.036) is the independent risk factor for delirium. CONCLUSION Remifentanil and fentanyl can reduce the amount of midazolam required, and remifentanil could further reduce the occurrence of delirium.
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Affiliation(s)
- Dan Liu
- Department of Critical Care, Peking University People’s Hospital, Beijing, China
| | - Jie Lyu
- Department of Critical Care, Peking University People’s Hospital, Beijing, China
| | - Huiying Zhao
- Department of Critical Care, Peking University People’s Hospital, Beijing, China
| | - Youzhong An
- Department of Critical Care, Peking University People’s Hospital, Beijing, China
- * E-mail:
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European Society of Anaesthesiology evidence-based and consensus-based guideline on postoperative delirium. Eur J Anaesthesiol 2017; 34:192-214. [DOI: 10.1097/eja.0000000000000594] [Citation(s) in RCA: 491] [Impact Index Per Article: 70.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Remifentanil, ketamine, and fospropofol: a review of alterative continuous infusion agents for sedation in the critically ill. Crit Care Nurs Q 2015; 37:137-51. [PMID: 24595251 DOI: 10.1097/cnq.0000000000000012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Sedation and analgesia are integral aspects in the care of critically ill patients admitted to the intensive care unit. In recent years, many of the commonly used sedative agents in the United States have experienced manufacturing and sterility issues leading to decreased availability. In addition, current practice has shifted to providing lighter levels of sedation as clinicians have gained a better understanding of the consequences of prolonged deep sedation. Benzodiazepines have fallen out of favor due to findings including increased delirium and duration of mechanical ventilation. Alterations in end-organ function in critically ill patients may also lead to varied responses to commonly used sedatives. With numerous factors impacting choice of sedation in the intensive care unit, fospropofol, ketamine, and remifentanil have been considered potential alternatives to standard therapy. The purpose of this review was to discuss strategies for the safe and effective use of fospropofol, ketamine, and remifentanil for continuous intravenous sedation in critically ill patients.
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Bilge EÜ, Kaya M, Şenel GÖ, Ünver S. The Incidence of Delirium at the Postoperative Intensive Care Unit in Adult Patients. Turk J Anaesthesiol Reanim 2015; 43:232-9. [PMID: 27366504 DOI: 10.5152/tjar.2015.93798] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Accepted: 11/26/2014] [Indexed: 12/19/2022] Open
Abstract
OBJECTIVE In this study, we aimed to determine the risk factors and the incidence of delirium in patients who were followed postoperatively in our surgical intensive care unit for 24 h using the confusion assessment method (CAM). METHODS After obtaining approval from the ethics committee, 250 patients were included in the study. Patients who were operated under general anaesthesia or regional anaesthesia and followed in the surgical intensive care unit were evaluated by the Ramsay Sedation Scale on the first postoperative day. CAM was applied to the patients who had a Ramsey Sedation Score of ≤4. Patients' age, gender, American Society of Anesthesiologists (ASA) scores, preoperative risk factors, type of anaesthesia, operation time, intra-operative procedures, pain scores evaluated by the visual analogue scale (VAS) and postoperative analgesia methods were recorded. RESULTS The incidence of delirium was found to be 18.4%. The average age of patients who developed delirium was greater than the others (68.8±12.7 and 57.6±12, p=0.001, respectively). It was observed that a one-unit increase in the ASA score resulted in a 3.3-fold increase in the risk of delirium. The incidence of delirium in patients undergoing regional anaesthesia was 34.6%, whereas it was 16.5% in patients receiving general anaesthesia (p=0.024). The existence of preoperative diabetes mellitus (DM) and chronic obstructive pulmonary disease (COPD) was shown to improve the development of delirium (p<0.05). Delirium incidence was significantly higher in patients who were administered meperidine for postoperative analgesia (p=0.013). The VAS scores of patients who developed delirium were found to be significantly higher (p=0.006). CONCLUSION As a result, we found that older age, high ASA score, preoperative DM and COPD are important risk factors for the development of delirium. Regional anaesthesia, high postoperative pain scores and meperidine use were observed to be associated with the development of delirium. In the postoperative period, addition of CAM, a simple measurement technique, to the daily follow-up forms can provide the early recognition of delirium, which is often underdiagnosed. We think that identification and prevention of effective risk factors have the primary importance for postoperative delirium.
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Affiliation(s)
- Emel Ünal Bilge
- Clinic of Anaesthesiology and Reanimation, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
| | - Menşure Kaya
- Clinic of Anaesthesiology and Reanimation, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
| | - Gülçin Özalp Şenel
- Clinic of Anaesthesiology and Reanimation, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
| | - Süheyla Ünver
- Clinic of Anaesthesiology and Reanimation, Dr. Abdurrahman Yurtaslan Oncology Training and Research Hospital, Ankara, Turkey
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Avidan MS, Fritz BA, Maybrier HR, Muench MR, Escallier KE, Chen Y, Ben Abdallah A, Veselis RA, Hudetz JA, Pagel PS, Noh G, Pryor K, Kaiser H, Arya VK, Pong R, Jacobsohn E, Grocott HP, Choi S, Downey RJ, Inouye SK, Mashour GA. The Prevention of Delirium and Complications Associated with Surgical Treatments (PODCAST) study: protocol for an international multicentre randomised controlled trial. BMJ Open 2014; 4:e005651. [PMID: 25231491 PMCID: PMC4166247 DOI: 10.1136/bmjopen-2014-005651] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
INTRODUCTION Postoperative delirium is one of the most common complications of major surgery, affecting 10-70% of surgical patients 60 years and older. Delirium is an acute change in cognition that manifests as poor attention and illogical thinking and is associated with longer intensive care unit (ICU) and hospital stay, long-lasting cognitive deterioration and increased mortality. Ketamine has been used as an anaesthetic drug for over 50 years and has an established safety record. Recent research suggests that, in addition to preventing acute postoperative pain, a subanaesthetic dose of intraoperative ketamine could decrease the incidence of postoperative delirium as well as other neurological and psychiatric outcomes. However, these proposed benefits of ketamine have not been tested in a large clinical trial. METHODS The Prevention of Delirium and Complications Associated with Surgical Treatments (PODCAST) study is an international, multicentre, randomised controlled trial. 600 cardiac and major non-cardiac surgery patients will be randomised to receive ketamine (0.5 or 1 mg/kg) or placebo following anaesthetic induction and prior to surgical incision. For the primary outcome, blinded observers will assess delirium on the day of surgery (postoperative day 0) and twice daily from postoperative days 1-3 using the Confusion Assessment Method or the Confusion Assessment Method for the ICU. For the secondary outcomes, blinded observers will estimate pain using the Behavioral Pain Scale or the Behavioral Pain Scale for Non-Intubated Patients and patient self-report. ETHICS AND DISSEMINATION The PODCAST trial has been approved by the ethics boards of five participating institutions; approval is ongoing at other sites. Recruitment began in February 2014 and will continue until the end of 2016. Dissemination plans include presentations at scientific conferences, scientific publications, stakeholder engagement and popular media. REGISTRATION DETAILS The study is registered at clinicaltrials.gov, NCT01690988 (last updated March 2014). The PODCAST trial is being conducted under the auspices of the Neurological Outcomes Network for Surgery (NEURONS). TRIAL REGISTRATION NUMBER NCT01690988 (last updated December 2013).
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Affiliation(s)
- Michael S Avidan
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Bradley A Fritz
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Hannah R Maybrier
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Maxwell R Muench
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Krisztina E Escallier
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Yulong Chen
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Arbi Ben Abdallah
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Robert A Veselis
- Department of Anesthesiology, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Judith A Hudetz
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Paul S Pagel
- Clement J. Zablocki VA Medical Center, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Gyujeong Noh
- Department of Anesthesiology, Asan Medical Center, Seoul, South Korea
| | - Kane Pryor
- Department of Anesthesiology, Weill Cornell Medical College, New York, New York, USA
| | - Heiko Kaiser
- Department of Anesthesiology, University of Bern, Bern, Switzerland
| | - Virendra Kumar Arya
- Department of Anesthesiology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ryan Pong
- Department of Anesthesiology, Virginia Mason Medical Center, Seattle, Washington, USA
| | - Eric Jacobsohn
- Department of Anesthesiology, University of Manitoba-Faculty of Medicine, Winnipeg, Manitoba, Canada
| | - Hilary P Grocott
- Department of Anesthesiology, University of Manitoba-Faculty of Medicine, Winnipeg, Manitoba, Canada
| | - Stephen Choi
- Department of Anesthesiology, Sunnybrook Health Sciences Center, Toronto, Ontario, Canada
| | - Robert J Downey
- Department of Surgery, Thoracic, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
| | - Sharon K Inouye
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Hebrew SeniorLife, Boston, Massachusetts, USA
| | - George A Mashour
- Department of Anesthesiology, University of Michigan Medical School, Ann Arbor, Michigan, USA
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Theuerkauf N, Guenther U. Delir auf der Intensivstation. Med Klin Intensivmed Notfmed 2014; 109:129-36. [DOI: 10.1007/s00063-014-0354-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 02/10/2014] [Accepted: 02/10/2014] [Indexed: 11/24/2022]
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Predisposing and precipitating factors of delirium after cardiac surgery: a prospective observational cohort study. Ann Surg 2013; 257:1160-7. [PMID: 23426334 DOI: 10.1097/sla.0b013e318281b01c] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To comprehensively assess pre-, intra-, and postoperative delirium risk factors as potential targets for intervention. BACKGROUND Delirium after cardiac surgery is associated with longer intensive care unit (ICU) stay, and poorer functional and cognitive outcomes. Reports on delirium risk factors so far did not cover the full range of patients' presurgical conditions, intraoperative factors, and postoperative course. METHODS After written informed consent, 221 consecutive patients ≥ 50 years scheduled for cardiac surgery were assessed for preoperative cognitive performance, and functional and physical status. Clinical and biochemical data were systematically recorded perioperatively. RESULTS Of the 215 patients remaining for analysis, 31% developed delirium in the intensive care unit. Using logistic regression models, older age [73.3 (71.2-75.4) vs 68.5 (67.0-70.0); P = 0.016], higher Charlson's comorbidity index [3.0 (1.5-4.0) vs 2.0 (1.0-3.0) points; P = 0.009], lower Mini-Mental State Examination (MMSE) score (MMSE, [27 (23-29) vs 28 (27-30) points; P = 0.021], length of cardiopulmonary bypass (CPB) [CPB; 133 (112-163) vs 119 (99-143) min; P = 0.004], and systemic inflammatory response syndrome in the intensive care unit [25 (36.2%) vs 13 (8.9%); P = 0.001] were independently associated with delirium. Combining age, MMSE score, Charlson's comorbidity index, and length of CPB in a regression equation allowed for a prediction of postoperative delirium with a sensitivity of 71.19% and a specificity of 76.26% (receiver operating analysis, area under the curve: 0.791; 95% confidence interval: 0.727-0.845). CONCLUSIONS Further research will evaluate if modification of these risk factors prevents delirium and improves outcomes.
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Current World Literature. Curr Opin Anaesthesiol 2012; 25:111-20. [DOI: 10.1097/aco.0b013e32834fd93c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Current World Literature. Curr Opin Anaesthesiol 2011; 24:705-12. [DOI: 10.1097/aco.0b013e32834e25f9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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