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Kikuchi K, Hasegawa C, Sasaki T, Sato Y, Owada T, Shindo Y, Kawamata Y, Sugawara N, Yasui-Furukori N. Continuous alcohol withdrawal delirium and physical illness-associated delirium in a man brought to the emergency department after a disaster: A case report. Neuropsychopharmacol Rep 2024. [PMID: 38660963 DOI: 10.1002/npr2.12446] [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: 01/20/2024] [Revised: 03/28/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024] Open
Abstract
BACKGROUND Risk factors for alcohol withdrawal delirium include heavy drinking, prior alcohol withdrawal delirium or convulsions, nondrug sedative use, and a history of tachycardia, withdrawal, and infections. CASE PRESENTATION A 76-year-old man with a history of heavy drinking and type 2 diabetes was hospitalized for hypothermia, rhabdomyolysis, and acute renal failure after a typhoon. He developed alcohol withdrawal symptoms 24 h after his last drink, leading to severe withdrawal delirium characterized by restlessness, delusions, and altered consciousness. Treatment included lorazepam, in addition to comprehensive care for his physical condition. His condition fluctuated, especially at night, with his psychiatric symptoms exacerbated by his physical illnesses, suggesting delirium due to the coexistence of severe and multiple physical illnesses. After 44 days, following substantial improvements in both mental and physical health with perospirone, the patient was discharged. CONCLUSION This case emphasizes the need for multidisciplinary collaboration in the treatment of such patients, especially during disasters, and the importance of long-term monitoring for elderly patients with alcohol dependence syndrome after a disaster.
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Affiliation(s)
- Kota Kikuchi
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Chie Hasegawa
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Taro Sasaki
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Yoshiteru Sato
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Tamaki Owada
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Yunosuke Shindo
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Yasushi Kawamata
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Norio Sugawara
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
| | - Norio Yasui-Furukori
- Department of Psychiatry, School of Medicine, Dokkyo Medical University, Mibu, Japan
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Fleenor LM, Beavers JR, Tidwell WP, Atchison L, Woo E, Medvecz AJ, Beyene RT, Kast K, Marcovitz D, Dennis BM, Guillamondegui OD, Smith MC. Comparison of phenobarbital monotherapy to a benzodiazepine-based regimen for management of alcohol withdrawal syndrome in trauma patients. J Trauma Acute Care Surg 2024; 96:493-498. [PMID: 37599414 DOI: 10.1097/ta.0000000000004116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
BACKGROUND Alcohol withdrawal syndrome (AWS) is associated with increased morbidity and mortality in the trauma population. Benzodiazepines (BZDs) are standard of care for AWS; however, given the risk of delirium with BZDs and reports of BZD-refractory withdrawal, phenobarbital (PHB) has emerged as an alternative therapy for AWS. Safety and efficacy studies of PHB for AWS in trauma patients are lacking. Our aim was to compare a BZD versus PHB protocol in the management of AWS in trauma patients. METHODS We performed a retrospective cohort study at a level 1 trauma center of patients at risk for AWS managed with either a BZD or a low-dose oral PHB regimen. Patients were excluded if they were taking BZDs or barbiturates before admission, received propofol or dexmedetomidine before initiation of the study drug, presented with delirium tremens or seizures, or died or discharged within 24 hours of presentation. The primary outcome was complicated AWS (seizures or alcohol withdrawal delirium/delirium tremens). Secondary outcomes included uncomplicated AWS; therapy escalation; oversedation; delirium-, intensive care unit-, and ventilator-free days; and length of stay. RESULTS A total of 411 patients were identified; 118 received BZD, and 293 received PHB. The odds of developing complicated AWS with PHB versus BZD-based therapy were not statistically significant (odds ratio [OR], 0.52; 95% confidence interval [CI], 0.21-1.39); however, patients receiving PHB were less likely to develop uncomplicated AWS (OR, 0.08; 95% CI, 0.04-0.14) and less likely to require escalation of therapy (OR, 0.45; 95% CI, 0.24-0.84). The PHB group had a length of stay 3.1 days shorter than the BZD group ( p = 0.002). There was no difference in intensive care unit-, ventilator-, or delirium-free days. CONCLUSION A PHB-based protocol for the management of AWS is a safe and effective alternative to BZD-based regimens in trauma patients. LEVEL OF EVIDENCE Therapeutic/Care Management; Level IV.
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Affiliation(s)
- Lori Montana Fleenor
- From the Department of Pharmaceutical Sciences (L.M.F., W.P.T., L.A.), Department of Pharmaceutical Sciences (J.R.B.), Department of Pharmacy Portfolio in HealthIT (E.W.), Division of Acute Care Surgery (A.J.M., R.T.B., B.M.D., O.D.G., M.C.S.), and Department of Psychiatry and Behavioral Sciences (K.K., D.M.), Vanderbilt University Medical Center, Nashville, Tennessee
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Krcmarik KM, Hulley BJ, Huang J, Juang D, Cadman P, Urbiztondo C, Vo C, Vargas J, Motarjemi R, Moinizandi T, Kwan B. Assessment of a modified MINDS-based protocol for management of alcohol withdrawal syndrome on an inpatient medical service. Pharmacotherapy 2023; 43:1297-1306. [PMID: 37475509 DOI: 10.1002/phar.2855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 06/14/2023] [Accepted: 06/19/2023] [Indexed: 07/22/2023]
Abstract
OBJECTIVE To determine if a novel symptom-based alcohol withdrawal syndrome (AWS) protocol in a US Veterans cohort leads to significant clinical improvements in patient outcomes and safety. BACKGROUND Prior studies of AWS management, oftentimes using the revised version of the Clinical Institute Withdrawal Assessment for Alcohol (CIWA-Ar) index, have demonstrated the effectiveness of symptom-triggered therapy for AWS. The Minnesota Detoxification Scale (MINDS) is an alternative to the CIWA-Ar index but remains unevaluated outside of the intensive care unit (ICU) setting. This study assesses outcomes in AWS management prior to and after the implementation of a novel MINDS-based AWS protocol (SDAWP) utilizing a revised MINDS index (MINDS-rev) in an inpatient medical ward setting. METHODS Retrospective cohort study including encounters prior to (n = 342) and after (n = 338) the implementation of the protocol. Pre- and post-protocol encounters were selected by combinations of diagnostic codes and charting elements. Outcome measures of AWS management were obtained in both groups. The primary endpoint was median total benzodiazepine exposure. Secondary outcomes included median length of hospitalization, median duration of benzodiazepine administration, and the incidence of complications. RESULTS The median total benzodiazepine exposure in the post-SDAWP group was significantly lower than the pre-SDAWP group (21.2 vs. 12.0 mg, p < 0.0001) and for a significantly shorter median duration of time (4.0 vs. 3.0 days, p < 0.0001). There was no significant difference in the median length of stay (4.0 vs. 4.0 days, p = 0.50). The incidence of delirium tremens (21 vs. 7, p = 0.01) and need for transfer to a higher level of care (33 vs. 12, p = 0.002) was significantly lower in the post-SDAWP group. CONCLUSION The SDAWP has provided significant improvements in AWS management in our institution and may potentially serve as a template for wider use in other inpatient settings.
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Affiliation(s)
- Kevin M Krcmarik
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Benjamin J Hulley
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Jiayi Huang
- Department of Pharmacy, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Derek Juang
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Peter Cadman
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Charisma Urbiztondo
- Department of Pharmacy, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Christine Vo
- Department of Pharmacy, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Jaclyn Vargas
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Ramin Motarjemi
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Tarlan Moinizandi
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
| | - Brian Kwan
- Department of Internal Medicine, Section of Hospitalist Medicine, Jennifer Moreno Veterans Affairs Medical Center, San Diego, California, USA
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Marti-Aguado D, Gougol A, Gomez-Medina C, Jamali A, Abo-Zed A, Morales-Arraez D, Jimenez-Sosa A, Burns K, Bawa A, Hernández A, Pujol C, Alvarado-Tapias E, Szafranska J, Chiu WK, Villagrasa A, Ventura-Cots M, Gandicheruvu H, Lluch P, Chen HW, Rachakonda V, Duarte-Rojo A, Bataller R. Prevalence and clinical impact of alcohol withdrawal syndrome in alcohol-associated hepatitis and the potential role of prophylaxis: a multinational, retrospective cohort study. EClinicalMedicine 2023; 61:102046. [PMID: 37415844 PMCID: PMC10319982 DOI: 10.1016/j.eclinm.2023.102046] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 05/29/2023] [Accepted: 05/31/2023] [Indexed: 07/08/2023] Open
Abstract
Background The prevalence and impact of alcohol withdrawal syndrome (AWS) in patients with alcohol-associated hepatitis (AH) are unknown. In this study, we aimed to investigate the prevalence, predictors, management, and clinical impact of AWS in patients hospitalized with AH. Methods A multinational, retrospective cohort study enrolling patients hospitalized with AH at 5 medical centres in Spain and in the USA was performed between January 1st, 2016 to January 31st, 2021. Data were retrospectively retrieved from electronic health records. Diagnosis of AWS was based on clinical criteria and use of sedatives to control AWS symptoms. The primary outcome was mortality. Multivariable models controlling for demographic variables and disease severity were performed to determine predictors of AWS (adjusted odds ratio [OR]) and the impact of AWS condition and management on clinical outcomes (adjusted hazard ratio [HR]). Findings In total, 432 patients were included. The median MELD score at admission was 21.9 (18.3-27.3). The overall prevalence of AWS was 32%. Lower platelet levels (OR = 1.61, 95% CI 1.05-2.48) and previous history of AWS (OR = 2.09, 95% CI 1.31-3.33) were associated with a higher rate of incident AWS, whereas the use of prophylaxis decreased the risk (OR = 0.58, 95% CI 0.36-0.93). The use of intravenous benzodiazepines (HR = 2.18, 95% CI 1.02-4.64) and phenobarbital (HR = 2.99, 95% CI 1.07-8.37) for AWS treatment were independently associated with a higher mortality. The development of AWS increased the rate of infections (OR = 2.24, 95% CI 1.44-3.49), the need for mechanical ventilation (OR = 2.49, 95% CI 1.38-4.49), and ICU admission (OR = 1.96, 95% CI 1.19-3.23). Finally, AWS was associated with higher 28-day (HR = 2.31, 95% CI 1.40-3.82), 90-day (HR = 1.78, 95% CI 1.18-2.69), and 180-day mortality (HR = 1.54, 95% CI 1.06-2.24). Interpretation AWS commonly occurs in patients hospitalized with AH and complicates the hospitalization course. Routine prophylaxis is associated with a lower prevalence of AWS. Prospective studies should determine diagnostic criteria and prophylaxis regimens for AWS management in patients with AH. Funding This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.
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Affiliation(s)
- David Marti-Aguado
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- Digestive Disease Department, Clinic University Hospital, Biomedical Research Institute (INCLIVA), Valencia, Spain
| | - Amir Gougol
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- University of California, San Francisco (UCSF), San Francisco, CA, USA
| | - Concepcion Gomez-Medina
- Digestive Disease Department, Clinic University Hospital, Biomedical Research Institute (INCLIVA), Valencia, Spain
| | - Arsia Jamali
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Abdelrhman Abo-Zed
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Dalia Morales-Arraez
- Department of Gastroenterology, Hospital Universitario de Canarias, Tenerife, Spain
| | - Alejandro Jimenez-Sosa
- Statistical Consultant Research Unit, Hospital Universitario de Canarias, Tenerife, Spain
| | - Keith Burns
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Aditi Bawa
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Anjara Hernández
- Department of Gastroenterology, Hospital Universitario de Canarias, Tenerife, Spain
| | - Claudia Pujol
- Department of Gastroenterology, Hospital Santa Creu i Sant Pau, Institut de Recerca Sant Pau, Universidad Autónoma de Barcelona, Barcelona, Spain
| | - Edilmar Alvarado-Tapias
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- Department of Gastroenterology, Hospital Santa Creu i Sant Pau, Institut de Recerca Sant Pau, Universidad Autónoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
| | - Justyna Szafranska
- Department of Pathology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
| | - Wai Kan Chiu
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ares Villagrasa
- Liver Unit, Hospital Universitari Vall d'Hebron, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Meritxell Ventura-Cots
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
- Liver Unit, Hospital Universitari Vall d'Hebron, Vall d'Hebron Institute of Research (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Haritha Gandicheruvu
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Paloma Lluch
- Digestive Disease Department, Clinic University Hospital, Biomedical Research Institute (INCLIVA), Valencia, Spain
| | | | | | - Andres Duarte-Rojo
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ramon Bataller
- Center for Liver Diseases, Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
- Liver Unit, Hospital Clinic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
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Alwakeel M, Alayan D, Saleem T, Afzal S, Immler E, Wang X, Akbik B, Duggal A. Phenobarbital-Based Protocol for Alcohol Withdrawal Syndrome in a Medical ICU: Pre-Post Implementation Study. Crit Care Explor 2023; 5:e0898. [PMID: 37091477 PMCID: PMC10115550 DOI: 10.1097/cce.0000000000000898] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023] Open
Abstract
We assessed the efficacy and safety of PB compared with benzodiazepine (BZD)-based protocols in treating AWS in MICU. DESIGN Single-center, pre-post protocol implementation study. SETTING The setting is a forty-bed MICU in a tertiary-level academic medical center. PATIENTS We included all patients admitted to the MICU with a primary diagnosis of AWS. INTERVENTIONS Intravenous PB 260 mg followed by 130-mg doses every 15-30 minutes as needed up to 15 mg/kg of ideal body weight versus escalating doses of BZD, to achieve a Clinical Institute Withdrawal Assessment Alcohol Scale-Revised score less than 10. MEASUREMENTS AND MAIN RESULTS ICU and hospital length of stay (LOS), in addition to safety measures were the main outcomes of the study. A total of 102 patients were included, 51 in the PB arm and 51 in the BZD arm. There were no differences in baseline clinical characteristics. Half the patients in each group were admitted with delirium tremens. The use of PB-based protocol was associated with 35% reduction in median ICU LOS (1.5 d [interquartile range, 1.2-2.4 d] vs 2.3 d [1.4-4.8 d]; p = 0.009) and 50% reduction in hospital LOS (3 d [2.7-4 d] vs 6 d [4-10 d]; p < 0.001). After adjustment for comorbidities and clinical factors, PB protocol decreased ICU LOS days by 40% (95% CI; 25.8-53.5%). PB group required fewer adjunctive medications to control symptoms (0.7 [0.5-1] vs 2.5 [2-3]; p < 0.001), less need for intubation (1/51 [2%] vs 10/10 [19.6%]; p = 0.023) and less need for physical restraint (19/51 [37.3%] vs 29/51 [56.9%]; p = 0.047), compared with the BZD group. CONCLUSIONS A protocol utilizing rapidly escalating doses of PB over a short period is an effective and safe alternative to BZD in treating AWS in MICU.
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Affiliation(s)
- Mahmoud Alwakeel
- Department of Pulmonary & Critical Care Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH
| | - Dina Alayan
- Department of Internal Medicine, Cleveland Clinic Fairview Hospital, Cleveland, OH
| | - Talha Saleem
- Department of Pulmonary & Critical Care Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH
| | - Saira Afzal
- Neurology Department, Cleveland Clinic Florida, Weston, FL
| | - Ellen Immler
- Department of Pharmacy, Cleveland Clinic Fairview Hospital, Cleveland, OH
| | - Xiaofeng Wang
- Qualitative Health Sciences, Cleveland Clinic, Cleveland, OH
| | - Bassel Akbik
- Critical Care Department, Houston Methodist, Houston, TX
| | - Abhijit Duggal
- Department of Pulmonary & Critical Care Medicine, Respiratory Institute, Cleveland Clinic, Cleveland, OH
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Rojo-Mira J, Pineda-Álvarez M, Zapata-Ospina JP. Efficacy and Safety of Anticonvulsants for the Inpatient Treatment of Alcohol Withdrawal Syndrome: A Systematic Review and Meta-analysis. Alcohol Alcohol 2021; 57:155-164. [PMID: 34396386 DOI: 10.1093/alcalc/agab057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/25/2021] [Accepted: 07/25/2021] [Indexed: 11/12/2022] Open
Abstract
AIM To examine the efficacy and safety of antiepileptic drugs (AED) for the inpatient treatment of patients with moderate to severe alcohol withdrawal syndrome (AWS). METHODS We searched in databases and gray literature to include randomized controlled clinical trials in adults that compare the use of AED versus placebo or any other medication. Studies that did not specify severity or were performed on an outpatient basis were excluded. The outcomes were improvement of symptoms, delirium tremens, seizures and adverse events. Two researchers independently selected the references, extracted the data and assessed the risk of bias. A qualitative synthesis was made and, when the heterogeneity was mild or moderate, a meta-analysis was performed. The quality of the evidence obtained was evaluated with the Grading of Recommendations Assessment, Development and Evaluation tool. RESULTS In total, 26 studies with 1709 patients were included. No benefit is described in withdrawal syndrome severity measured by scales or in the development of delirium tremens. The only possible meta-analysis showed that there are no differences in the incidence of seizures (risk ratio [RR] = 1.0; confidence interval (CI) 95% 0.76-1.33), even when compared with placebo (RR = 0.95; CI95% 0.57-1.57). There were also no differences in adverse events, although a higher proportion of some mild cases were described with the use of carbamazepine and valproic acid. CONCLUSIONS The routine use of AED is not suggested in the treatment of patients with moderate or severe AWS unless indicated for comorbidity (weak recommendation against using moderate quality of evidence).
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Affiliation(s)
- Jenny Rojo-Mira
- Department of Pharmacology and Toxicology, School of Medicine, Universidad de Antioquia, Medellín, Colombia
| | | | - Juan P Zapata-Ospina
- Institute of Medical Research, Grupo Académico de Epidemiología Clínica (GRAEPIC), School of Medicine, Universidad de Antioquia, Medellín, Colombia
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Pribék IK, Kovács I, Kádár BK, Kovács CS, Richman MJ, Janka Z, Andó B, Lázár BA. Evaluation of the course and treatment of Alcohol Withdrawal Syndrome with the Clinical Institute Withdrawal Assessment for Alcohol - Revised: A systematic review-based meta-analysis. Drug Alcohol Depend 2021; 220:108536. [PMID: 33503582 DOI: 10.1016/j.drugalcdep.2021.108536] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/11/2020] [Accepted: 12/26/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Although the Clinical Institute Withdrawal Assessment for Alcohol - Revised (CIWA-Ar) is a gold standard tool for the clinical evaluation of alcohol withdrawal syndrome (AWS), a systematic analysis using the total scores of the CIWA-Ar as a means of an objective follow-up of the course and treatment of AWS is missing. The aims of the present study were to systematically evaluate scientific data using the CIWA-Ar, to reveal whether the aggregated CIWA-Ar total scores follow the course of AWS and to compare benzodiazepine (BZD) and non-benzodiazepine (nBZD) therapies in AWS. METHODS 1054 findings were identified with the keyword "ciwa" from four databases (PubMed, ScienceDirect, Web of Science, Cochrane Registry). Articles using CIWA-Ar in patients treated with AWS were incorporated and two measurement intervals (cumulative mean data of day 1-3 and day 4-9) of the CIWA-Ar total scores were compared. Subgroup analysis based on pharmacotherapy regimen was conducted to compare the effectiveness of BZD and nBZD treatments. RESULTS The random effects analysis of 423 patients showed decreased CIWA-Ar scores between the two measurement intervals (BZD: d = -1.361; CI: -1.829 < δ < -0.893; nBZD: d = -0.858; CI: -1.073 < δ < -0.643). Sampling variances were calculated for the BZD (v1 = 0.215) and the nBZD (v2 = 0.106) groups, which indicated no significant group difference (z = -1.532). CONCLUSIONS Our findings support that the CIWA-Ar follows the course of AWS. Furthermore, nBZD therapy has a similar effectiveness compared to BZD treatment based on the CIWA-Ar total scores.
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Affiliation(s)
- Ildikó Katalin Pribék
- Addiction Research Group, Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary.
| | - Ildikó Kovács
- Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary
| | - Bettina Kata Kádár
- Addiction Research Group, Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary
| | - Csenge Sára Kovács
- Addiction Research Group, Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary
| | - Mara J Richman
- Department of Psychiatry and Psychotherapy, Semmelweis University, Balassa Street 8, H-1085, Budapest, Hungary; Endeavor Psychology, 10 Newbury Street, Boston, MA, 02116, USA
| | - Zoltán Janka
- Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary
| | - Bálint Andó
- Addiction Research Group, Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary
| | - Bence András Lázár
- Addiction Research Group, Department of Psychiatry, University of Szeged, 8-10 Korányi fasor, Szeged, H-6720, Hungary.
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8
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Mahajan VR, Elvig SK, Vendruscolo LF, Koob GF, Darcey VL, King MT, Kranzler HR, Volkow ND, Wiers CE. Nutritional Ketosis as a Potential Treatment for Alcohol Use Disorder. Front Psychiatry 2021; 12:781668. [PMID: 34916977 PMCID: PMC8670944 DOI: 10.3389/fpsyt.2021.781668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Accepted: 11/08/2021] [Indexed: 12/28/2022] Open
Abstract
Alcohol use disorder (AUD) is a chronic, relapsing brain disorder, characterized by compulsive alcohol seeking and disrupted brain function. In individuals with AUD, abstinence from alcohol often precipitates withdrawal symptoms than can be life threatening. Here, we review evidence for nutritional ketosis as a potential means to reduce withdrawal and alcohol craving. We also review the underlying mechanisms of action of ketosis. Several findings suggest that during alcohol intoxication there is a shift from glucose to acetate metabolism that is enhanced in individuals with AUD. During withdrawal, there is a decline in acetate levels that can result in an energy deficit and could contribute to neurotoxicity. A ketogenic diet or ingestion of a ketone ester elevates ketone bodies (acetoacetate, β-hydroxybutyrate and acetone) in plasma and brain, resulting in nutritional ketosis. These effects have been shown to reduce alcohol withdrawal symptoms, alcohol craving, and alcohol consumption in both preclinical and clinical studies. Thus, nutritional ketosis may represent a unique treatment option for AUD: namely, a nutritional intervention that could be used alone or to augment the effects of medications.
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Affiliation(s)
- Vikrant R Mahajan
- Department of Pharmacology, Vanderbilt University, Nashville, TN, United States
| | - Sophie K Elvig
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Baltimore, MD, United States
| | - Leandro F Vendruscolo
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Baltimore, MD, United States
| | - George F Koob
- Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Baltimore, MD, United States
| | - Valerie L Darcey
- National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, MD, United States
| | - M Todd King
- National Institute on Alcohol Abuse and Alcoholism, Rockville, MD, United States
| | - Henry R Kranzler
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Nora D Volkow
- National Institute on Alcohol Abuse and Alcoholism, Rockville, MD, United States
| | - Corinde E Wiers
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
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Chernyavsky S, Dharapak P, Hui J, Laskova V, Merrill E, Pillay K, Siau E, Rizk D. Alcohol and the Hospitalized Patient. Med Clin North Am 2020; 104:681-694. [PMID: 32505260 DOI: 10.1016/j.mcna.2020.02.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Alcohol use is a common social and recreational activity in our society. Misuse of alcohol can lead to significant medical comorbidities that can affect essentially every organ system and lead to high health care costs and utilization. Heavy alcohol use across the spectrum from binge drinking and intoxication to chronic alcohol use disorder can lead to high morbidity and mortality both in the long and short term. Recognizing and treating common neurologic, gastrointestinal, and hematological manifestations of excess alcohol intake are essential for those who care for hospitalized patients. Withdrawal is among the most common and dangerous sequela associated with alcohol use disorder.
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Affiliation(s)
- Svetlana Chernyavsky
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Patricia Dharapak
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Jennifer Hui
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Violetta Laskova
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Eve Merrill
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Kamana Pillay
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Evan Siau
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA
| | - Dahlia Rizk
- Department of Medicine, Mt Sinai Beth Israel, Icahn School of Medicine, 16th Street and 1st Avenue, New York, NY 10010, USA.
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Morrison M, Udeh E, Burak M. Retrospective analysis of a gabapentin high dose taper compared to lorazepam in acute inpatient alcohol withdrawal. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2019; 45:385-391. [PMID: 30990361 DOI: 10.1080/00952990.2019.1602136] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Background: Benzodiazepines have remained the standard of care for alcohol withdrawal syndrome; however, they have numerous unfavorable physiologic effects. Gabapentin has limited data to support a benefit in reducing benzodiazepine usage in alcohol withdrawal syndrome.Objectives: Evaluate the association of an institutional guideline and order set for alcohol withdrawal that incorporates high dose gabapentin tapers in acutely withdrawing patients. Methods: This retrospective study evaluated patients experiencing acute alcohol withdrawal. Two time periods were evaluated: a pre-protocol group assessed outcomes prior to implementation of a gabapentin backbone taper-based guideline (PRE-implementation), and a post-protocol group assessed post-guideline and order set introduction (POST-implementation). A total of 100 patients (50 PRE-implementation and 50 POST-implementation; 84% male, 16% female) were included in the analysis. Results: There was a significant difference in the median daily lorazepam usage in the PRE-implementation versus POST-implementation groups (9.48 [5.58-28.46] vs 6.52 [3.84-11.65] mg, P = 0.024) with a reduction observed in the POST-implementation group. There was also a significant difference in the mean hospital length of stay (LOS) in the PRE-implementation versus POST-implementation groups (9.92 ± 7.33 vs 7.04 ± 4.59 days, P = 0.021) in favor of the POST-implementation group. There was no difference in the number of rapid responses called, median intensive care unit (ICU) LOS, median number of days the patient was confusion assessment method for the ICU (CAM-ICU) positive or number of transfers to a higher level of care. Conclusions: Implementation of an institutional guideline and order set for alcohol withdrawal incorporating high dose gabapentin tapers was associated with a decreased median daily lorazepam use as well as hospital LOS; however, retrospective design and inherent limitations require larger prospective trials to validate results.
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Affiliation(s)
- Matthew Morrison
- a Department of Pharmacy Services , Hartford Hospital , Hartford , CT , USA
| | - Elizabeth Udeh
- a Department of Pharmacy Services , Hartford Hospital , Hartford , CT , USA
| | - Michelle Burak
- a Department of Pharmacy Services , Hartford Hospital , Hartford , CT , USA
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11
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Seizure on a Benzodiazepine-Sparing Alcohol-Detoxification Protocol: A Case Report. PSYCHOSOMATICS 2018; 60:513-518. [PMID: 30528859 DOI: 10.1016/j.psym.2018.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/29/2018] [Accepted: 10/30/2018] [Indexed: 11/21/2022]
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12
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Weinstein ZM, Wakeman SE, Nolan S. Inpatient Addiction Consult Service: Expertise for Hospitalized Patients with Complex Addiction Problems. Med Clin North Am 2018; 102:587-601. [PMID: 29933817 PMCID: PMC6750950 DOI: 10.1016/j.mcna.2018.03.001] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Substance use disorders are highly prevalent and are a large driver of costly inpatient medical care; however, historically the substance use disorder has gone unaddressed during an inpatient stay. Inpatient addiction consult services are an important intervention to use the reachable moment of hospitalization to engage patients and initiate addiction treatment. Addiction consultation involves taking an addiction-specific history, motivational interviewing, withdrawal symptom management, and initiation of long-term pharmacotherapy. Addiction consult services have the potential to decrease readmissions and utilization costs for medical systems and improve substance-related outcomes for patients.
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Affiliation(s)
- Zoe M Weinstein
- Department of Medicine, Boston University School of Medicine, Boston Medical Center, 801 Massachusetts Avenue, Crosstown 2, Boston, MA 02118, USA.
| | - Sarah E Wakeman
- Department of Medicine, Harvard Medical School, Massachusetts General Hospital, 50 Staniford Street, 9th Floor, Boston, MA 02114, USA
| | - Seonaid Nolan
- British Columbia Centre on Substance Use, 608-1081 Burrard Street, Vancouver, BC V6Z 1Y6, Canada; Department of Medicine, University of British Columbia, St. Paul's Hospital, 553B-1081 Burrard Street, Vancouver, British Columbia V6Z 1Y6, Canada
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13
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Abstract
This feature examines the impact of pharmacologic interventions on the treatment of the critically ill patient — an area of health care that has become increasingly complex. Recent advances in drug therapy for adult ICU patients (including evolving and controversial data) will be reviewed and assessed in terms of clinical, humanistic, and economic outcomes. Direct questions or comments to Gil Fraser, PharmD, at fraseg@mmc.org .
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Affiliation(s)
- Brian M. Hodges
- Department of Clinical Pharmacy, West Virginia University School of Pharmacy, 1124 Health Sciences North, PO Box 9520, Morgantown, WV 26506–9520
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Role of CYP2C19 gene polymorphism in acute alcohol withdrawal treatment with loading dose of diazepam in a South Indian population. Eur J Clin Pharmacol 2016; 72:807-12. [PMID: 27099220 DOI: 10.1007/s00228-016-2061-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 04/07/2016] [Indexed: 10/21/2022]
Abstract
PURPOSE Alcohol dependence is a public health problem worldwide, commonly associated with withdrawal symptoms for which diazepam is a frequently used drug. We studied the effect of CYP2C19 gene polymorphisms on diazepam loading dose requirement and time to reversal of acute alcohol withdrawal symptoms. We also studied the influence of the polymorphism in this gene on the persistent symptoms after loading dose of diazepam. METHODS Sixty-nine patients who reported to the psychiatry department with symptoms of alcohol withdrawal diagnosed by DSM-IV criteria were included for the study. A 10-mg loading dose of diazepam was administered iv after baseline assessment of withdrawal severity using CIWA-Ar scoring. The patients were assessed for improvement of the symptoms every two hourly and 20 mg oral diazepam was given based on improvement of symptoms. Genotyping for CYP2C19*2, CYP2C19*3 and CYP2C19*17 was done by PCR-RFLP and RT-PCR methods. RESULTS The diazepam dose requirement as well as the time required for reversal of acute symptoms was not statistically different among the different genotype groups. Similarly, the frequency of patients with persistent symptoms after successful treatment of the acute episode was not different among the groups. However, the total diazepam dose requirement was influenced by baseline CIWA-Ar scores (adjusted OR 0.21, p = 0.026). In addition, the odds of treatment with a lower dose (10 mg) of diazepam were higher in smokers (adjusted OR 5.22, p = 0.025) and patients with other addiction (adjusted OR 9.26, p = 0.026). CONCLUSION We found that CYP2C19 polymorphism did not have any significant effect on the diazepam dose requirement, time duration needed for successful treatment or on the persistent symptoms after loading dose of diazepam in South Indian population. However, diazepam dose requirement was influenced by baseline CIWA-Ar score, smoking status and other comorbid addictions.
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15
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Sandiumenge A, Torrado H, Muñoz T, Alonso MÁ, Jiménez MJ, Alonso J, Pardo C, Chamorro C. Impact of harmful use of alcohol on the sedation of critical patients on mechanical ventilation: A multicentre prospective, observational study in 8 Spanish intensive care units. Med Intensiva 2015; 40:230-7. [PMID: 26548615 DOI: 10.1016/j.medin.2015.06.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 06/14/2015] [Accepted: 06/29/2015] [Indexed: 12/17/2022]
Abstract
PURPOSE To evaluate the impact of a history of harmful use of alcohol (HUA) on sedoanalgesia practices and outcomes in patients on mechanical ventilation (MV). METHODS A prospective, observational multicentre study was made of all adults consecutively admitted during 30 days to 8 Spanish ICUs. Patients on MV >24h were followed-up on until discharge from the ICU or death. Data on HUA, smoking, the use of illegal (IP) and medically prescribed psychotropics (MPP), sedoanalgesia practices and their related complications (sedative failure [SF] and sedative withdrawal [SW]), as well as outcome, were prospectively recorded. RESULTS A total of 23.4% (119/509) of the admitted patients received MV >24h; 68.9% were males; age 57.0 (17.9) years; APACHE II score 18.8 (7.2); with a medical cause of admission in 53.9%. Half of them consumed at least one psychotropic agent (smoking 27.7%, HUA 25.2%; MPP 9.2%; and IP 7.6%). HUA patients more frequently required PS (86.7% vs. 64%; p<0.02) and the use of >2 sedatives (56.7% vs. 28.1%; p<0.02). HUA was associated to an eightfold (p<0.001) and fourfold (p<0.02) increase in SF and SW, respectively. In turn, the duration of MV and the stay in the ICU was increased by 151h (p<0.02) and 4.4 days (p<0.02), respectively, when compared with the non-HUA group. No differences were found in terms of mortality. CONCLUSIONS HUA may be associated to a higher risk of SF and WS, and can prolong MV and the duration of stay in the ICU in critical patients. Early identification could allow the implementation of specific sedation strategies aimed at preventing these complications.
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Affiliation(s)
- A Sandiumenge
- Vall d́Hebron University Hospital, Barcelona, Spain.
| | - H Torrado
- Intensive Care Department, Bellvitge University Hospital, Barcelona, Spain
| | - T Muñoz
- Intensive Care Department, Cruces University Hospital, San Vicente de Barakaldo, Spain
| | - M Á Alonso
- Intensive Care Department del Tajo University Hospital, Madrid, Spain
| | - M J Jiménez
- Intensive Care Department Clinico San Carlos University Hospital, Madrid, Spain
| | - J Alonso
- Intensive Care Department, Vall d́Hebron University Hospital, Barcelona, Spain
| | - C Pardo
- Intensive Care Department, Infanta Sofia University Hospital, Madrid, Spain
| | - C Chamorro
- Intensive Care Department, Puerta de Hierro-Majadahonda University Hospital, Madrid, Spain
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Lee KM, Coehlo M, McGregor HA, Waltermire RS, Szumlinski KK. Binge alcohol drinking elicits persistent negative affect in mice. Behav Brain Res 2015; 291:385-398. [PMID: 26048424 PMCID: PMC4513951 DOI: 10.1016/j.bbr.2015.05.055] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 05/26/2015] [Accepted: 05/31/2015] [Indexed: 01/21/2023]
Abstract
Cessation from chronic alcohol abuse often produces a dysphoric state that can persist into protracted withdrawal. This dysphoric state is theorized to function as a negative reinforcer that maintains excessive alcohol consumption and/or precipitates relapse in those struggling to abstain from alcohol. However, we know relatively little regarding the impact of cessation from binge drinking on behavioral measures of negative affect and related neurobiology. Male C57BL/6J mice were given access to unsweetened 20% alcohol for 6 weeks under modified Drinking-in-the-dark procedures, followed by behavioral testing beginning either 1 or 21 days into withdrawal. Mice were administered a behavioral test battery consisting of: the elevated plus maze, light/dark box, novel object test, marble burying test, Porsolt forced swim test and sucrose preference test to assess anxiogenic and depressive signs. Egr1 immunostaining was used to quantify cellular activity within the central nucleus of the amygdala (CEA), basolateral amygdala (BLA), bed nucleus of the stria terminalis (BNST), and the nucleus accumbens (Acb) shell (AcbSh) and core (AcbC). Compared to water controls, alcohol-drinking mice exhibited higher indices of emotionality in the majority of behavioral assays. The hyper-emotionality exhibited by binge drinking mice was apparent at both withdrawal time-points and correlated with higher Egr1+ cell counts in the CEA and BNST, compared to controls. These data show that affective symptoms emerge very early after cessation of binge drinking and persist into protracted withdrawal. A history of binge drinking is capable of producing enduring neuroadaptations within brain circuits mediating emotional arousal.
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Affiliation(s)
- Kaziya M Lee
- Department of Psychological and Brain Sciences, Neuroscience Research Institute, University of California, Santa Barbara, CA, USA
| | - Michal Coehlo
- Department of Psychological and Brain Sciences, Neuroscience Research Institute, University of California, Santa Barbara, CA, USA
| | - Hadley A McGregor
- Department of Psychological and Brain Sciences, Neuroscience Research Institute, University of California, Santa Barbara, CA, USA
| | - Ryan S Waltermire
- Department of Psychological and Brain Sciences, Neuroscience Research Institute, University of California, Santa Barbara, CA, USA
| | - Karen K Szumlinski
- Department of Psychological and Brain Sciences, Neuroscience Research Institute, University of California, Santa Barbara, CA, USA.
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Sachdeva A, Choudhary M, Chandra M. Alcohol Withdrawal Syndrome: Benzodiazepines and Beyond. J Clin Diagn Res 2015; 9:VE01-VE07. [PMID: 26500991 DOI: 10.7860/jcdr/2015/13407.6538] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Accepted: 07/03/2015] [Indexed: 11/24/2022]
Abstract
Alcohol dependence is an increasing and pervasive problem. Alcohol withdrawal symptoms are a part of alcohol dependence syndrome and are commonly encountered in general hospital settings, in most of the departments. Alcohol withdrawal syndrome ranges from mild to severe. The severe complicated alcohol withdrawal may present with hallucinations, seizures or delirium tremens. Benzodiazepines have the largest and the best evidence base in the treatment of alcohol withdrawal, and are considered the gold standard. Others, such as anticonvulsants, barbiturates, adrenergic drugs, and GABA agonists have been tried and have evidence. Supportive care and use of vitamins is essential in the management. Symptom triggered regime is favoured over fixed tapering dose regime, although monitoring through scales is cumbersome. This article aims to review the evidence base for appropriate clinical management of the alcohol withdrawal syndrome. We searched Pubmed for articles published in English on 'Alcohol withdrawal syndrome' in humans during the last 10 years. A total of 1182 articles came up. Articles not relevant to clinical utility and management were excluded based on the titles and abstract available. Full text articles, meta-analyses, systematic reviews and randomized controlled trials were obtained from this list and were considered for review.
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Affiliation(s)
- Ankur Sachdeva
- Assistant Professor, Department of Psychiatry, ESIC Medical College and Hospital , Faridabad, Haryana, India
| | - Mona Choudhary
- Senior Resident, Department of Psychiatry and Drug De-addiction, Post Graduate Institute of Medical Education and Research, Dr Ram Manohar Lohia Hospital , New Delhi, India
| | - Mina Chandra
- Chief Medical Officer (NFSG), Department of Psychiatry and Drug De-addiction, Post Graduate Institute of Medical Education and Research, Dr Ram Manohar Lohia Hospital , New Delhi, India
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18
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Shu JE, Lin A, Chang G. Alcohol Withdrawal Treatment in the Medically Hospitalized Patient: A Pilot Study Assessing Predictors for Medical or Psychiatric Complications. PSYCHOSOMATICS 2015; 56:547-55. [DOI: 10.1016/j.psym.2014.12.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2014] [Revised: 11/28/2014] [Accepted: 12/01/2014] [Indexed: 10/24/2022]
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Maldonado JR, Sher Y, Das S, Hills-Evans K, Frenklach A, Lolak S, Talley R, Neri E. Prospective Validation Study of the Prediction of Alcohol Withdrawal Severity Scale (PAWSS) in Medically Ill Inpatients: A New Scale for the Prediction of Complicated Alcohol Withdrawal Syndrome. Alcohol Alcohol 2015; 50:509-18. [DOI: 10.1093/alcalc/agv043] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2014] [Accepted: 03/26/2015] [Indexed: 01/02/2023] Open
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20
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Maldonado JR, Sher Y, Ashouri JF, Hills-Evans K, Swendsen H, Lolak S, Miller AC. The "Prediction of Alcohol Withdrawal Severity Scale" (PAWSS): systematic literature review and pilot study of a new scale for the prediction of complicated alcohol withdrawal syndrome. Alcohol 2014; 48:375-90. [PMID: 24657098 DOI: 10.1016/j.alcohol.2014.01.004] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2013] [Revised: 01/22/2014] [Accepted: 01/23/2014] [Indexed: 01/10/2023]
Abstract
BACKGROUND To date, no screening tools for alcohol withdrawal syndromes (AWS) have been validated in the medically ill. Although several tools quantify the severity of AWS (e.g., Clinical Institute Withdrawal Assessment for Alcohol [CIWA]), none identify subjects at risk of AWS, thus missing the opportunity for timely prophylaxis. Moreover, there are no validated tools for the prediction of complicated (i.e., moderate to severe) AWS in the medically ill. OBJECTIVES Our goals were (1) to conduct a systematic review of the published literature on AWS to identify clinical factors associated with the development of AWS, (2) to use the identified factors to develop a tool for the prediction of alcohol withdrawal among patients at risk, and (3) to conduct a pilot study to assess the validity of the tool. METHODS For the creation of the Prediction of Alcohol Withdrawal Severity Scale (PAWSS), we conducted a systematic literature search using PRISMA (preferred reporting items for systematic reviews and meta-analyses) guidelines for clinical factors associated with the development of AWS, using PubMed, PsychInfo, MEDLINE, and Cochrane Databases. Eligibility criteria included: (i) manuscripts dealing with human subjects, age 18 years or older, (ii) manuscripts directly addressing descriptions of AWS or its predisposing factors, including case reports, naturalistic case descriptions, and all types of clinical trials (e.g., randomized, single-blind, or open label studies), (iii) manuscripts describing characteristics of alcohol use disorder (AUD), and (iv) manuscripts dealing with animal data (which were considered only if they directly dealt with variables described in humans). Obtained data were used to develop the Prediction of Alcohol Withdrawal Severity Scale, in order to assist in the identification of patients at risk for complicated AWS. A pilot study was conducted to assess the new tool's psychometric qualities on patients admitted to a general inpatient medicine unit over a 2-week period, who agreed to participate in the study. Blind to PAWSS results, a separate group of researchers retrospectively examined the medical records for evidence of AWS. RESULTS The search produced 2802 articles describing factors potentially associated with increased risk for AWS, increased severity of withdrawal symptoms, and potential characteristics differentiating subjects with various forms of AWS. Of these, 446 articles met inclusion criteria and underwent further scrutiny, yielding a total of 233 unique articles describing factors predictive of AWS. A total of 10 items were identified as correlated with complicated AWS (i.e., withdrawal hallucinosis, withdrawal-related seizures, and delirium tremens) and used to construct the PAWSS. During the pilot study, a total of 68 subjects underwent evaluation with PAWSS. In this pilot sample the sensitivity, specificity, and positive and negative predictive values of PAWSS were 100%, using the threshold score of 4. DISCUSSION The results of the literature search identified 10 items which may be correlated with risk for complicated AWS. These items were assembled into a tool to assist in the identification of patients at risk: PAWSS. The results of this pilot study suggest that PAWSS may be useful in identifying risk of complicated AWS in medically ill, hospitalized individuals. PAWSS is the first validated tool for the prediction of severe AWS in the medically ill and its use may aid in the early identification of patients at risk for complicated AWS, allowing for prophylaxis against AWS before severe alcohol withdrawal syndromes develop.
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Affiliation(s)
- José R Maldonado
- Psychiatry, Internal Medicine, Surgery, & Emergency Medicine, Stanford University School of Medicine, Stanford, CA, USA.
| | - Yelizaveta Sher
- Department of Psychiatry & Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Judith F Ashouri
- Internal Medicine (Rheumatology), University of California, San Francisco, CA, USA
| | | | - Heavenly Swendsen
- Psychosomatic Medicine, Department of Psychiatry, Stanford University School of Medicine, Stanford, CA, USA
| | - Sermsak Lolak
- Psychiatry, George Washington University School of Medicine & Health Sciences, Washington, DC, USA
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Abstract
Alcohol withdrawal is a common condition encountered in the hospital setting after abrupt discontinuation of alcohol in an alcohol-dependent individual. Patients may present with mild symptoms of tremulousness and agitation or more severe symptoms including withdrawal seizures and delirium tremens. Management revolves around early identification of at-risk individuals and symptom assessment using a validated tool such as the revised Clinical Institute Withdrawal Assessment for Alcohol score. Benzodiazepines remain the mainstay of treatment and can be administered using a front-loading, fixed-dose, or symptom-triggered approach. Long-acting benzodiazepines such as chlordiazepoxide or diazepam are commonly used and may provide a smoother withdrawal than shorter-acting benzodiazepines, but there are no data to support superiority of one benzodiazepine over another. Elderly patients or those with significant liver disease may have increased accumulation and decreased clearance of the long-acting benzodiazepines, and lorazepam or oxazepam may be preferred in these patients. Patients with symptoms refractory to high doses of benzodiazepines may require addition of a rescue medication such as phenobarbital, propofol or dexmedetomidine. Anticonvulsants (carbamazepine, valproate, gabapentin) may have a role in the management of mild to moderate withdrawal. Other medications such as β-antagonists or neuroleptics may offer additional benefit in select patients but should not be used a monotherapy.
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Sachdeva A, Chandra M, Deshpande SN. A Comparative Study of Fixed Tapering Dose Regimen versus Symptom-triggered Regimen of Lorazepam for Alcohol Detoxification. Alcohol Alcohol 2014; 49:287-91. [DOI: 10.1093/alcalc/agt181] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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23
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Mainerova B, Prasko J, Latalova K, Axmann K, Cerna M, Horacek R, Bradacova R. Alcohol withdrawal delirium - diagnosis, course and treatment. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2013; 159:44-52. [PMID: 24399242 DOI: 10.5507/bp.2013.089] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 11/21/2013] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE Delirium tremens represents the most severe complication of alcohol withdrawal syndrome and, in its complications, significantly increases the morbidity and mortality of patients. Alcohol withdrawal delirium is characterized by features of alcohol withdrawal itself (tremor, sweating, hypertension, tachycardia etc.) together with general delirious symptoms such as clouded consciousness, disorientation, disturbed circadian rhythms, thought processe and sensory disturbances, all of them fluctuating in time. The treatment combines a supportive and symptomatic approach. Benzodiazepines in supramaximal doses are usually used as drugs of choice but in some countries such as the Czech Republic or Germany, clomethiazole is frequently used as well. METHOD A computer search of the all the literature published between 1966 and December 2012 was accomplished on MEDLINE and Web of Science with the key words "delirium tremens", "alcohol withdrawal", "treatment" and "pharmacotherapy". There were no language or time limits applied. CONCLUSIONS When not early recognized and treated adequately, delirium tremens may result in death due to malignant arrhythmia, respiratory arrest, sepsis, severe electrolyte disturbance or prolonged seizures and subsequent trauma. Owing to these possible fatalities and other severe unexpected complications, delirium tremens should be managed at an ICU or wards ensuring vital signs monitoring. In symptomatic treatment, high doses of benzodiazepines, especially lorazepam, diazepam and oxazepam are considered the gold standard drugs. Supportive therapy is also of great importance.
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Affiliation(s)
- Barbora Mainerova
- Department of Psychiatry, Faculty of Medicine and Dentistry, Palacky University Olomouc and University Hospital Olomouc, Czech Republic
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A double blind randomised comparison of chlordiazepoxide and lorazepam in alcohol withdrawal. Asian J Psychiatr 2013; 6:401-3. [PMID: 24011687 DOI: 10.1016/j.ajp.2013.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2013] [Revised: 04/19/2013] [Accepted: 05/12/2013] [Indexed: 01/17/2023]
Abstract
AIM To compare the efficacy of lorazepam and chlordiazepoxide in alcohol withdrawal in a double blind design. METHODS The study sample consisted of 108 consecutive admissions to the de addiction ward, which after informed consent and selection based on inclusion criteria, were randomised to two groups. A comparison of the efficacy of chlordiazepoxide and lorazepam was done post randomisation. The initial withdrawal assessment and subsequent progress of withdrawal were assessed using Clinical Institute Assessment for Alcohol-revised (CIWA-Ar). The rate of withdrawal and total duration of withdrawal were compared among the two groups. RESULTS Lorazepam treated group showed a significant difference in the rate of improvement over 48 h compared to chlordiazepoxide group (70.4% vs. 54.8%; p=0.000). The total duration of withdrawal was also significantly lesser with lorazepam (5.6 days vs. 6.7 days; p=0.001). CONCLUSION Lorazepam is more effective than chlordiazepoxide in alcohol withdrawal in both a faster rate in the drop of withdrawal severity and lessening the total duration of withdrawal.
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de Jesus Mari J, Tófoli LF, Noto C, Li LM, Diehl A, Claudino AM, Juruena MF. Pharmacological and psychosocial management of mental, neurological and substance use disorders in low- and middle-income countries: issues and current strategies. Drugs 2013; 73:1549-68. [PMID: 24000001 DOI: 10.1007/s40265-013-0113-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Mental, neurological, and substance use disorders (MNS) are among the largest sources of medical disability in the world, surpassing both cardiovascular disease and cancer. The picture is not different in low- and middle-income countries (LAMIC) where the relative morbidity associated with MNS is increasing, as a consequence of improvement in general health indicators and longevity. However, 80 % of individuals with MNS live in LAMIC but only close to 20 % of cases receive some sort of treatment. The main aim of this article is to provide non-specialist health workers in LAMIC with an accessible guide to the affordable essential psychotropics and psychosocial interventions which are proven to be cost effective for treating the main MNS. The MNS discussed in this article were selected on the basis of burden, following the key priority conditions selected by the Mental Health Action Programme (mhGAP) developed by the World Health Organization (WHO) (anxiety, stress-related and bodily distress disorders; depression and bipolar disorder; schizophrenia; alcohol and drug addiction; and epilepsy), with the addition of eating disorders, because of their emergent trend in middle-income countries. We review best evidence-based clinical practice in these areas, with a focus on drugs from the WHO Model List of Essential Medicines and the psychosocial interventions available in LAMIC for the management of these conditions in primary care. We do this by reviewing guidelines developed by prestigious professional associations and government agencies, clinical trials conducted in LAMIC and systematic reviews (including Cochrane reviews) identified from the main international literature databases (MEDLINE, EMBASE and PsycINFO). In summary, it can be concluded that the availability and use of the psychotropics on the WHO Model List of Essential Medicines in LAMIC, plus an array of psychosocial interventions, can represent a cost-effective way to expand treatment of most MNS. The translation of these findings into policies can be achieved by relatively low supplementary funding, and limited effort engendered by governments and policy makers in LAMIC.
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Affiliation(s)
- Jair de Jesus Mari
- Department of Psychiatry, Universidade Federal de São Paulo, Rua Borges Lagoa 570 - 1° andar, Vila Clementino, São Paulo, SP, 04038-000, Brazil,
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Abstract
Alcohol withdrawal is commonly encountered in general hospital settings. It forms a major part of referrals received by a consultation-liaison psychiatrist. This article aims to review the evidence base for appropriate clinical management of the alcohol withdrawal syndrome. We searched Pubmed for articles published in English on pharmacological management of alcohol withdrawal in humans with no limit on the date of publication. Articles not relevant to clinical management were excluded based on the titles and abstract available. Full-text articles were obtained from this list and the cross-references. There were four meta-analyses, 9 systematic reviews, 26 review articles and other type of publications like textbooks. Alcohol withdrawal syndrome is a clinical diagnosis. It may vary in severity. Complicated alcohol withdrawal presents with hallucinations, seizures or delirium tremens. Benzodiazepines have the best evidence base in the treatment of alcohol withdrawal, followed by anticonvulsants. Clinical institutes withdrawal assessment-alcohol revised is useful with pitfalls in patients with medical comorbidities. Evidence favors an approach of symptom-monitored loading for severe withdrawals where an initial dose is guided by risk factors for complicated withdrawals and further dosing may be guided by withdrawal severity. Supportive care and use of vitamins is also discussed.
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Affiliation(s)
- Shivanand Kattimani
- Department of Psychiatry, Regional Deaddiction Center, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
| | - Balaji Bharadwaj
- Department of Psychiatry, Regional Deaddiction Center, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
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Grover S, Sharma A, Kate N, Mattoo SK, Basu D, Chakrabarti S, Malhotra S, Avasthi A. Symptom profile and outcome of delirium associated with alcohol withdrawal syndrome: a study from India. Am J Addict 2013; 22:503-9. [PMID: 23952898 DOI: 10.1111/j.1521-0391.2013.12063.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Revised: 07/01/2012] [Accepted: 07/23/2012] [Indexed: 02/05/2023] Open
Abstract
AIM To study the profile of delirium associated with alcohol withdrawal syndrome (AWS) in a developing country in terms of symptomatology, associated risk factors/physical complications, and outcome. METHODOLOGY Using a prospective design, 112 patients in whom delirium could be attributed to AWS as either the sole or a contributory cause were assessed by Delirium Rating Scale-Revised-98 and the associated etiological factors were assessed by using delirium etiology checklist. FINDINGS In all patients, delirium was acute in onset and all patients had disturbance of sleep-wake cycle and inattention. Other common symptoms were: disorientation (99.1%), fluctuation in symptoms (97.3%), motor agitation (94.6%), and short-term memory disturbance (92.9%). In terms of delirium etiology checklist etiological categories, besides alcohol withdrawal, the most common factors were metabolic/endocrine abnormalities (76%), followed by organ insufficiency and infection (37% and 35%, respectively). Most patients (67%) improved or recovered completely from delirium during the short stay of 4 days. During the short stay of mean duration of 4 days 13.4% of the patients died during the hospital stay. CONCLUSION Delirium associated with alcohol withdrawal is characterized by an acute onset of symptoms with high prevalence of disturbance of sleep-wake cycle, inattention, disorientation, fluctuation in symptoms, motor agitation, and disturbance in short-term memory. There are certain differences in the symptom profile of delirium associated with alcohol withdrawal and that associated with medical-surgical causes. About one-sixth of the patients developing delirium due to alcohol withdrawal die during the short hospital stay of 4 days.
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Affiliation(s)
- Sandeep Grover
- Department of Psychiatry, Postgraduate Institute of Medical Education & Research, Chandigarh, India.
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Narayanaswamy JC, Viswanath B, Nagpal K, Gopinath S, Math SB, Chandrasekhar CR. Successful use of oxazepam in the treatment of delirium tremens. Prim Care Companion CNS Disord 2013; 14:12l01404. [PMID: 23585994 DOI: 10.4088/pcc.12l01404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Stehman CR, Mycyk MB. A rational approach to the treatment of alcohol withdrawal in the ED. Am J Emerg Med 2013; 31:734-42. [PMID: 23399338 DOI: 10.1016/j.ajem.2012.12.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2012] [Revised: 12/17/2012] [Accepted: 12/29/2012] [Indexed: 01/22/2023] Open
Abstract
Approximately 7% of the US population abuses or is dependent on alcohol. Patients with alcohol disorders often seek medical attention in Emergency Departments (EDs) for complications directly related to alcohol use or due to other medical issues associated with alcohol use. Because of increasing lengths of stay in EDs, alcohol-dependent patients are at high risk of developing alcohol withdrawal syndrome (AWS) during their ED visit. This article reviews the physiology of alcohol withdrawal as well as the symptoms of this potentially deadly illness for the practicing emergency physician (EP). We provide evidence-based guidelines for the appropriate ED treatment of moderate to severe AWS, including pharmacologic interventions, adjunctive therapies, and disposition of these patients.
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Affiliation(s)
- Christine R Stehman
- Division of Trauma, Burn and Surgical Critical Care, Department of Surgery, Department of Emergency Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA.
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de la Espriella Guerrero R, de la Hoz Bradford AM, Zárate AUH, Lee PR, Menéndez MC, Rentería AMC, Hernández DC, Cardeño C, Barré MC, Kunzel GH, Gómez-Restrepo C. [Clinical Practice Guide for Early Detection, Diagnosis and Treatment of the Acute Intoxication Phase in Patients with Alcohol Abuse or Dependence: Part II: Evaluation and Management of Patients with Acute Alcohol Intoxication]. REVISTA COLOMBIANA DE PSIQUIATRIA 2012; 41:805-25. [PMID: 26572267 DOI: 10.1016/s0034-7450(14)60048-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 11/06/2012] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Worldwide, alcohol is the second most-used psychotropic substance and the third risk factor for early death and disability. Its noxious use is a world public health problem given its personal, labor, family, economic and social impact. The identification of acute alcohol intoxication is extremely important, as well as the alcohol withdrawal syndrome and its complications, such as delirium tremens and Wernicke's encephalopathy in order to grant a timely treatment for those patients. This article introduces the evidence found so as to face and treat these clinic manifestations. METHODOLOGY Systematic revision of the evidence available together with an evaluation of pertinent guidelines found in literature so as to decide whether to adopt or adapt the existing recommendation for each question or to develop de novo recommendations. For de novo recommendations as well as those adapted, it was carried out an evidence synthesis, together with evidence tables and formulation of recommendations based on the evidence. RESULTS Evidence was found and recommendations were made for the diagnosis and treatment of acute alcohol intoxication, withdrawal syndrome, delirium tremens and Wernicke's encephalopathy.
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Affiliation(s)
- Ricardo de la Espriella Guerrero
- Médico psiquiatra, terapeuta sistémico, magíster Epidemiología Clínica, Pontificia Universidad Javeriana, director, Bogotá, Colombia.
| | - Ana María de la Hoz Bradford
- Médica cirujana, magíster en Epidemiología Clínica, Pontificia Universidad Javeriana, coordinadora GAI, Bogotá, Colombia
| | - Alina Uribe-Holguín Zárate
- Médica cirujana, residente de Psiquiatría, Pontificia Universidad Javeriana, asistente de investigación, Bogotá, Colombia
| | - Patricia Rodríguez Lee
- Médica cirujana, residente de Psiquiatría, Pontificia Universidad Javeriana, asistente de investigación, Bogotá, Colombia
| | - Miguel Cote Menéndez
- Médico psiquiatra, fellow en abuso de sustancias, Magíster en psicología y terapia sistémica, psiquiatra de CAD Fundar Bogotá, profesor de psiquiatría de la Facultad de Medicina de la Universidad Nacional de Colombia, experto temático, Bogotá, Colombia
| | - Ana María Cano Rentería
- Médica psiquiatra, miembro activo del subcomité de adicciones de la ACP, coordinadora del área científica de la ESE Hospital Mental de Filandia, Quindío, docente de clínica psiquiátrica, programa de Medicina de la Facultad de Ciencias de la Salud, Universidad del Quindío, entrenadora del Programa Treatnet II Colombia de ONU-DC. Asociación Colombiana de Psiquiatría, experta temática, Filandia, Quindío, Colombia
| | - Delia Cristina Hernández
- Médico psiquiatra, Universidad del Valle; máster en Conductas Adictivas, Universidad de Valencia; docente de Farmacodependencia, Universidad Libre; Asociación Colombiana de Psiquiatría; directora general de Fundar Colombia (Cali). Asociación Colombiana de Psiquiatría; Coordinadora del subcomité de adicciones de la ACP. Experta temática. Cali, Colombia
| | - Carlos Cardeño
- Médico Psiquiatra, psiquiatría de enlace. Magíster en Farmacología. Coordinador de Psiquiatría del Hospital Universitario Fundación Hospitalaria San Vicente de Paúl; Docente. Universidad de Antioquia. Experto temático, Bogotá, Colombia
| | - Michelle Cortés Barré
- Médica y cirujana, magíster en Educación, candidata a Maestría en Epidemiología Clínica. Pontificia Universidad Javeriana. Asistente de investigación. Bogotá, Colombia
| | - Gabriel Hernández Kunzel
- Médico psiquiatra, Hospital Militar Central y Clínica del Country; docente de Farmacodependencia de la Universidad Militar, Pontificia Universidad Javeriana y Universidad Sanitas. Miembro del Comité de Adicciones de la Asociación Colombiana de Psiquiatría. Asociación Colombiana de Psiquiatría. Experto temático, Bogotá, Colombia
| | - Carlos Gómez-Restrepo
- Médico psiquiatra, MSc Epidemiología Clínica, Psiquiatra de Enlace, Psicoanalista, profesor titular Departamento de Psiquiatría y Salud Mental, director Departamento de Psiquiatría y Salud Mental, director Departamento de Epidemiología Clínica y Bioestadística, Pontificia Universidad Javeriana, Director GAI Depresión, codirector CINETS, Bogotá, Colombia
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Maldonado JR, Nguyen LH, Schader EM, Brooks JO. Benzodiazepine loading versus symptom-triggered treatment of alcohol withdrawal: a prospective, randomized clinical trial. Gen Hosp Psychiatry 2012; 34:611-7. [PMID: 22898443 DOI: 10.1016/j.genhosppsych.2012.06.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2012] [Revised: 05/31/2012] [Accepted: 06/23/2012] [Indexed: 01/05/2023]
Abstract
OBJECTIVES The objectives were to compare the efficacy of a benzodiazepine loading versus a symptom-triggered protocol in the management of alcohol withdrawal. METHODS We conducted a prospective, randomized, controlled trial including 47 consecutive patients admitted to one of two tertiary care medical centers who developed alcohol withdrawal syndrome. Patients were randomly assigned to either a benzodiazepine loading protocol or a symptom-triggered treatment protocol. The Clinical Institute Withdrawal Assessment for Alcohol-Revised scale (CIWA-Ar) was recorded throughout the length of stay, along with measures of autonomic system functioning. RESULTS The average rate of change of CIWA-Ar scores was -1.5 ± 1.3 for the symptom-triggered group and -2.3 ± 2.5 for the loading group. Average rate of change for systolic blood pressure was -2.7 ± 5.3 for the symptom-triggered group and -2.3 ± 6.4 for the loading group. There was no significant difference between the rates of change for either group on either measure. Similarly, there was no significant difference in total benzodiazepine use between groups. Within 72 h of treatment, 69.6% of patients in the loading group were free of withdrawal symptoms versus 41.7% in the symptom-triggered group, a difference not reaching statistical significance. CONCLUSIONS This study did not reveal clear evidence of a clinical advantage for choosing either treatment method.
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Affiliation(s)
- José R Maldonado
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305-5718, USA.
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Pedersen CA, Smedley KL, Leserman J, Jarskog LF, Rau SW, Kampov-Polevoi A, Casey RL, Fender T, Garbutt JC. Intranasal oxytocin blocks alcohol withdrawal in human subjects. Alcohol Clin Exp Res 2012; 37:484-9. [PMID: 23025690 DOI: 10.1111/j.1530-0277.2012.01958.x] [Citation(s) in RCA: 149] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2012] [Accepted: 07/13/2012] [Indexed: 11/28/2022]
Abstract
BACKGROUND The neuropeptide, oxytocin (OT), has been reported to block tolerance formation to alcohol and decrease withdrawal symptoms in alcohol-dependent rodents. Numerous recent studies in human subjects indicate that OT administered by the intranasal route penetrates into and exerts effects within the brain. METHODS In a randomized, double-blind clinical trial, intranasal OT (24 IU/dose, N = 7) or placebo (N = 4) was given twice daily for 3 days in alcohol-dependent subjects admitted to a research unit for medical detoxification using Clinical Institute Withdrawal Assessment for Alcohol (CIWA) score-driven PRN administration of lorazepam. Subjects rated themselves on the Alcohol Withdrawal Symptom Checklist (AWSC) each time CIWA scores were obtained. Subjects also completed the Penn Alcohol Craving Scale, an Alcohol Craving Visual Analog Scale (ACVAS) and the Profile of Mood States (POMS) on inpatient days 2 and 3. RESULTS All subjects had drunk heavily each day for at least 2 weeks prior to study and had previously experienced withdrawal upon stopping/decreasing alcohol consumption. OT was superior to placebo in reducing alcohol withdrawal as evidenced by: less total lorazepam required to complete detoxification (3.4 mg [4.7, SD] vs. 16.5 [4.4], p = 0.0015), lower mean CIWA scores on admission day 1 (4.3 [2.3] vs. 11.8 [0.4], p < 0.0001) and day 2 (3.4 [2.2] vs. 11.1 [3.6], p < 0.002), lower AWSC scores on days 1 and 2 (p < 0.02; p = 0.07), and lower ACVAS ratings (p = 0.01) and lower POMS Tension/Anxiety subscale scores on day 2 (p < 0.01). CONCLUSIONS This is the first demonstration that OT treatment may block alcohol withdrawal in human subjects. Our results are consistent with previous findings in rodents that OT inhibits neuroadaptation to and withdrawal from alcohol. OT could have advantages over benzodiazepines in managing alcohol withdrawal because it may reverse rather than maintain sedative-hypnotic tolerance. It will be important to test whether OT treatment is effective in reducing drinking in alcohol-dependent outpatients.
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Affiliation(s)
- Cort A Pedersen
- Department of Psychiatry, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7160, USA.
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Ezequiel Leite L, Nobre MJ. The negative effects of alcohol hangover on high-anxiety phenotype rats are influenced by the glutamate receptors of the dorsal midbrain. Neuroscience 2012; 213:93-105. [PMID: 22516019 DOI: 10.1016/j.neuroscience.2012.04.009] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2012] [Revised: 03/26/2012] [Accepted: 04/09/2012] [Indexed: 01/31/2023]
Abstract
Alcoholism is a chronic disorder characterized by the appearance of a withdrawal syndrome following the abrupt cessation of alcohol intake that includes symptoms of physical and emotional disturbances, anxiety being the most prevalent symptom. In humans, it was shown that anxiety may increase the probability of relapse. In laboratory animals, however, the use of anxiety to predict alcohol preference has remained difficult. Excitatory amino acids as glutamate have been implicated in alcohol hangover and may be responsible for the seizures and anxiety observed during withdrawal. The dorsal periaqueductal gray (DPAG) is a midbrain region critical for the modulation/expression of anxiety- and fear-related behaviors and the propagation of seizures induced by alcohol withdrawal, the glutamate neurotransmission being one of the most affected. The present study was designed to evaluate whether low- (LA) and high-anxiety rats (HA), tested during the alcohol hangover phase, in which anxiety is the most prevalent symptom, are more sensitive to the reinforcing effects of alcohol when tested in a voluntary alcohol drinking procedure. Additionally, we were interested in investigating the main effects of reducing the excitatory tonus of the dorsal midbrain, after the blockade of the ionotropic glutamate receptors into the DPAG, on the voluntary alcohol intake of HA and LA motivated rats that were made previously experienced with the free operant response of alcohol drinking. For this purpose, we used local infusions of the N-metil D-Aspartato (NMDA) and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-kainate receptors antagonist DL-2-Amino-7-phosphonoheptanoic acid - DL-AP7 (10 nmol/0.2 μl) and l-glutamic acid diethyl ester - GDEE (160 nmol/0.2 μl), respectively. Alcohol intoxication was produced by 10 daily bolus intraperitonial (IP) injections of alcohol (2.0 g/kg). Peak-blood alcohol levels were determined by gas-chromatography analysis in order to assess blood-alcohol content. Unconditioned and conditioned anxiety-like behavior was assessed by the use of the fear-potentiated startle procedure (FPS). Data collected showed that anxiety and alcohol drinking in HA animals are positively correlated in animals that were made previously familiarized with the anxiolytic effects of alcohol. In addition, anxiety-like behavior induced during alcohol hangover seems to be an effect of changes in glutamatergic neurotransmission into DPAG possibly involving AMPA/kainate and NMDA receptors, among others.
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Affiliation(s)
- L Ezequiel Leite
- Departamento de Psicologia, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo (USP), 14040-901 Ribeirão Preto, SP, Brazil
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Prendergast MA, Mulholland PJ. Glucocorticoid and polyamine interactions in the plasticity of glutamatergic synapses that contribute to ethanol-associated dependence and neuronal injury. Addict Biol 2012; 17:209-23. [PMID: 21967628 PMCID: PMC3254017 DOI: 10.1111/j.1369-1600.2011.00375.x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Stress contributes to the development of ethanol dependence and is also a consequence of dependence. However, the complexity of physiological interactions between activation of the hypothalamic-pituitary-adrenal (HPA) axis and ethanol itself is not well delineated. Emerging evidence derived from examination of corticotropin-releasing factor systems and glucocorticoid receptor systems in ethanol dependence suggests a role for pharmacological manipulation of the HPA axis in attenuating ethanol intake, though it is not clear how activation of the HPA axis may promote ethanol dependence or contribute to the neuroadaptative changes that accompany the development of dependence and the severity of ethanol withdrawal. This review examines the role that glucocorticoids, in particular, have in promoting ethanol-associated plasticity of glutamatergic synapses by influencing expression of endogenous linear polyamines and polyamine-sensitive polypeptide subunits of N-methyl-D-aspartate (NMDA)-type glutamate receptors. We provide evidence that interactions among glucocorticoid systems, polyamines and NMDA receptors are highly relevant to both the development of ethanol dependence and to behavioral and neuropathological sequelae associated with ethanol withdrawal. Examination of these issues is likely to be of critical importance not only in further elucidating the neurobiology of HPA axis dysregulation in ethanol dependence, but also with regard to identification of novel therapeutic targets that may be exploited in the treatment of ethanol dependence.
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Affiliation(s)
- Mark A. Prendergast
- University of Kentucky, Department of Psychology, 741 South Limestone Street, Lexington, KY 40536, U.S.A
- Spinal Cord and Brain Injury Research Center, B449 Biomedical and Biological Sciences Research Building, 741 South Limestone Street, Lexington, KY 40536, U.S.A
| | - Patrick J. Mulholland
- Departments of Neurosciences and Psychiatry & Behavioral Sciences, Medical University of South Carolina, 67 President Street, IOP 462 North Charleston, South Carolina 29425, U.S.A
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Abstract
INTRODUCTION Gamma-hydroxybutyrate (GHB) is a short-chain fatty acid that is synthesized within the CNS, mostly from its parent compound gamma amino butyric acid (GABA). GHB acts as a neuromodulator/neurotransmitter to affect neuronal activity of other neurotransmitters and so, stimulate the release of growth hormone. Its sodium salt (sodium oxybate: SXB) was approved by the Food and Drug Administration (FDA) for the treatment of narcolepsy. SXB has shown to improve disrupted sleep and increase NR3 (slow-wave restorative) sleep in patients with narcolepsy. It is rapidly absorbed and has a plasma half-life of 30 - 60 min, necessitating twice-nightly dosing. Most of the observed effects of SXB result from binding to GABA-B receptors. AREAS COVERED Several randomized, controlled trials demonstrated significantly improved fibromyalgia (FM) symptoms with SXB. As seen in narcolepsy trials, SXB improved sleep of FM patients, increased slow-wave sleep duration as well as delta power, and reduced frequent night-time awakenings. Furthermore, FM pain and fatigue was consistently reduced with nightly SXB over time. Commonly reported adverse events included headache, nausea, dizziness and somnolence. Despite its proven efficacy, SXB did not receive FDA approval for the management of FM in 2010, mostly because of concerns about abuse. EXPERT OPINION Insomnia, fatigue and pain are important clinical FM symptoms that showed moderate improvements with SXB in several large, well-designed clinical trials. Because of the limited efficacy of currently available FM drugs additional treatment options are needed. In particular, drugs like SXB - which belong to a different drug class than other Food and Drug Administration (FDA)-approved FM medications such as pregabalin, duloxetine and milnacipran - would provide a much-needed addition to presently available treatment options. However, the FDA has set the bar high for future SXB re-submissions, with requirements of superior efficacy and improved risk mitigation strategies. At this time, no future FDA submission of SXB for the fibromyalgia indication is planned.
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Affiliation(s)
- Roland Staud
- University of Florida-Medicine, 1600 SW Archer Rd, Gainesville, FL 32610-0221, USA.
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Eyer F, Schuster T, Felgenhauer N, Pfab R, Strubel T, Saugel B, Zilker T. Risk Assessment of Moderate to Severe Alcohol Withdrawal--Predictors for Seizures and Delirium Tremens in the Course of Withdrawal. Alcohol Alcohol 2011; 46:427-33. [DOI: 10.1093/alcalc/agr053] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Elholm B, Larsen K, Hornnes N, Zierau F, Becker U. Alcohol Withdrawal Syndrome: Symptom-Triggered versus Fixed-Schedule Treatment in an Outpatient Setting. Alcohol Alcohol 2011; 46:318-23. [DOI: 10.1093/alcalc/agr020] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Abstract
This article reviews the pathophysiology, diagnosis, and treatment of alcohol withdrawal syndromes in the intensive care unit as well as the literature on the optimal pharmacologic strategies for treatment of alcohol withdrawal syndromes in the critically ill. Treatment of alcohol withdrawal in the intensive care unit mirrors that of the general acute care wards and detoxification centers. In addition to adequate supportive care, benzodiazepines administered in a symptom-triggered fashion, guided by the Clinical Institute Withdrawal Assessment of Alcohol scale, revised (CIWA-Ar), still seem to be the optimal strategy in the intensive care unit. In cases of benzodiazepine resistance, numerous options are available, including high individual doses of benzodiazepines, barbiturates, and propofol. Intensivists should be familiar with the diagnosis and treatment strategies for alcohol withdrawal syndromes in the intensive care unit.
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Vyssoki B, Steindl-Munda P, Ferenci P, Walter H, Höfer P, Blüml V, Friedrich F, Kogoj D, Lesch OM. Comparison of alcohol-dependent patients at a gastroenterological and a psychiatric ward according to the Lesch alcoholism typology: implications for treatment. Alcohol Alcohol 2010; 45:534-40. [PMID: 20855411 DOI: 10.1093/alcalc/agq059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
AIMS To assess the clinical and biological status of alcohol-dependent patients admitted to a psychiatric or a gastroenterological ward, assessing and comparing dimensions important for prescribing treatment for withdrawal and relapse prevention. METHODS Eighty patients, alcohol-dependent according to international classification of diseases tenth revision and diagnostic and statistical manual, text revised, version IV, admitted to the Vienna General Hospital between January 2005 and November 2006, were examined, of whom 44 were admitted to the psychiatric ward and 36 to the gastroenterological ward. Dimensions of alcohol dependence were assessed using a computerized structured interview, the Lesch alcoholism typology (LAT). Biological markers and the model for end-stage liver disease (MELD) score defined the severity of alcohol-related physical disturbances. RESULTS As might be expected, gastroenterological patients had more advanced physical diseases than psychiatric patients, and affective disorders and suicidal tendencies were significantly commoner among the psychiatric patients. Thus, LAT Type II patients were overrepresented at the gastroenterological ward and LAT Type III patients at the psychiatric ward. CONCLUSION The severity of somatic diseases and psychiatric disorders as well as the distribution of the four types according to Lesch differ between alcohol-dependent patients admitted to a psychiatric ward or a gastroenterological ward. Regarding the positive long-term outcome, different evidence-based medical treatment approaches for withdrawal and relapse prevention are needed for these patients.
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Affiliation(s)
- Benjamin Vyssoki
- Department of Psychiatry and Psychotherapy, Medical University of Vienna, Währinger Gürtel 18-20, Vienna, Austria.
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Németh Z, Kun B, Demetrovics Z. The involvement of gamma-hydroxybutyrate in reported sexual assaults: a systematic review. J Psychopharmacol 2010; 24:1281-7. [PMID: 20488831 DOI: 10.1177/0269881110363315] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Over the past few years gamma-hydroxybutyrate (GHB) has generated widespread media interest as a possible 'date rape drug'. Our goal was to examine the extent to which GHB is associated with drug-facilitated sexual assaults. Literature was searched systematically and 11 studies, published between 1961 and June 30, 2009, were identified dealing specifically with the role of GHB in sexual assaults. GHB was detected in 0.2-4.4% of reported sexual assaults. The results demonstrate that a wide range of drugs may be present in cases of sexual assault, and many of them are much more frequent than GHB. Our results do not support the widespread labelling of GHB as a date rape drug as the prevalence of GHB is much lower than of other substances used in sexual assaults. On the other hand, however, the possible risk of GHB in this regard should not be neglected. Nevertheless, over-sensitive and sensation seeking media reports focusing on the association of sex crime and GHB might be counterproductive and misleading as they turn the attention away from other substances that are often used in sexual assaults.
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Affiliation(s)
- Zsófia Németh
- Eötvös Loránd University, Institutional Group on Addiction Research, Budapest, Hungary, National Institute for Health Development, Budapest, Hungary
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43
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Abstract
This article discusses the physiology and clinical syndromes involved in ethanol absorption, intoxication, and withdrawal, with special emphasis on the evidentiary backing for common treatments, as well as some discussion of the medicolegal sequelae of treatment of ethanol abusers in the emergency department.
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44
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Elholm B, Larsen K, Hornnes N, Zierau F, Becker U. A Psychometric Validation of the Short Alcohol Withdrawal Scale (SAWS). Alcohol Alcohol 2010; 45:361-5. [DOI: 10.1093/alcalc/agq033] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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45
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Stern TA, Gross AF, Stern TW, Nejad SH, Maldonado JR. Current approaches to the recognition and treatment of alcohol withdrawal and delirium tremens: "old wine in new bottles" or "new wine in old bottles". PRIMARY CARE COMPANION TO THE JOURNAL OF CLINICAL PSYCHIATRY 2010; 12:PCC.10r00991. [PMID: 20944765 PMCID: PMC2947546 DOI: 10.4088/pcc.10r00991ecr] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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46
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Nava F, Premi S, Manzato E, Campagnola W, Lucchini A, Gessa GL. Gamma-Hydroxybutyrate Reduces both Withdrawal Syndrome and Hypercortisolism in Severe Abstinent Alcoholics: An Open Study vs. Diazepam. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2009; 33:379-92. [PMID: 17613965 DOI: 10.1080/00952990701315046] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
In 42 alcoholic inpatients we performed an open randomized study to compare the effects of diazepam and gamma-hydroxybutyrate (GHB) on the suppression of severe alcohol withdrawal syndrome and hypercortisolism. Both diazepam (.5 mg/kg bodyweight, q.i.d.) and GHB (50 mg/kg bodyweight, q.i.d.) were orally administered for three weeks. During all study period, GHB was more able than diazepam in reducing both withdrawal syndrome and hypercortisolism. These effects were evident during the first week of treatment and persisted throughout the study period. The results confirm a strict correlation between high levels of plasma cortisol and alcohol withdrawal symptoms and they show a slight superiority of GHB over diazepam in the suppression of both ethanol withdrawal and hypercortisolism. Taken together, our data suggest that GHB may act as potent anti-withdrawal agent in severe abstinent alcoholics.
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Affiliation(s)
- Felice Nava
- Italian Society of Addiction Medicine FederSerD, Milan, Italy.
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47
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Verleye M, Heulard I, Gillardin JM. The anxiolytic etifoxine protects against convulsant and anxiogenic aspects of the alcohol withdrawal syndrome in mice. Alcohol 2009; 43:197-206. [PMID: 19393860 DOI: 10.1016/j.alcohol.2009.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Revised: 02/03/2009] [Accepted: 02/04/2009] [Indexed: 10/20/2022]
Abstract
Change in the function of gamma-aminobutyric acid(A) (GABA(A)) receptors attributable to alterations in receptor subunit composition is one of main molecular mechanisms with those affecting the glutamatergic system which accompany prolonged alcohol (ethanol) intake. These changes explain in part the central nervous system hyperexcitability consequently to ethanol administration cessation. Hyperexcitability associated with ethanol withdrawal is expressed by physical signs, such as tremors, convulsions, and heightened anxiety in animal models as well as in humans. The present work investigated the effects of anxiolytic compound etifoxine on ethanol-withdrawal paradigms in a mouse model. The benzodiazepine diazepam was chosen as reference compound. Ethanol was given to NMRI mice by a liquid diet at 3% for 8 days, then at 4% for 7 days. Under these conditions, ethanol blood level ranged between 0.5 and 2 g/L for a daily ethanol intake varying from 24 to 30 g/kg. These parameters permitted the emergence of ethanol-withdrawal symptoms once ethanol administration was terminated. Etifoxine (12.5-25 mg/kg) and diazepam (1-4 mg/kg) injected intraperitoneally 3h 30 min after ethanol removal, decreased the severity in handling-induced tremors and convulsions in the period of 4-6h after withdrawal from chronic ethanol treatment. In addition when administered at 30 and 15 min, respectively, before the light and dark box test, etifoxine (50mg/kg) and diazepam (1mg/kg) inhibited enhanced aversive response 8h after ethanol withdrawal. Etifoxine at 25 and 50 mg/kg doses was without effects on spontaneous locomotor activity and did not exhibit ataxic effects on the rota rod in animals not treated with ethanol. These findings demonstrate that the GABAergic compound etifoxine selectively reduces the physical signs and anxiety-like behavior associated with ethanol withdrawal in a mouse model and may hold promise in the treatment of ethanol-withdrawal syndrome in humans.
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48
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Tetrault JM, O'Connor PG. Substance Abuse and Withdrawal in the Critical Care Setting. Crit Care Clin 2008; 24:767-88, viii. [DOI: 10.1016/j.ccc.2008.05.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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49
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Mennecier D, Thomas M, Arvers P, Corberand D, Sinayoko L, Bonnefoy S, Harnois F, Thiolet C. Factors predictive of complicated or severe alcohol withdrawal in alcohol dependent inpatients. ACTA ACUST UNITED AC 2008; 32:792-7. [DOI: 10.1016/j.gcb.2008.06.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2007] [Revised: 03/21/2008] [Accepted: 06/09/2008] [Indexed: 11/15/2022]
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50
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Abstract
Alcohol abuse and dependence disorders are common in the 10% of hospitalised patients who need admission to the intensive care unit (ICU), but these disorders are often undiagnosed. The systemic effects from the excessive use of alcohol increase susceptibility to, or directly cause various important disorders in the critically ill. Early recognition of alcohol abuse and dependence is necessary and should prompt consideration of several alcohol-specific diagnoses that have important prognostic and therapeutic implications for these patients. We discuss the use of screening tests to improve the identification of alcohol abuse and dependence disorders, the epidemiology and pathogenesis of important alcohol-related disorders, differences in the presentation of several common alcohol-related diagnoses in the ICU, and important alcohol-specific therapies.
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Affiliation(s)
- Marc Moss
- Divison of Pulmonary Sciences and Critical Care Medicine, University of Colorado at Denver and Health Sciences Center, Denver, CO 80262, USA.
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