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Santos C, Olmedo RE. Sedative-Hypnotic Drug Withdrawal Syndrome: Recognition And Treatment. EMERGENCY MEDICINE PRACTICE 2017; 19:1-20. [PMID: 28186869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 11/10/2016] [Indexed: 06/06/2023]
Abstract
Sedative-hypnotic drugs include gamma-Aminobutyric acid (GABA)ergic agents such as benzodiazepines, barbiturates, gamma-Hydroxybutyric acid [GHB], gamma-Butyrolactone [GBL], baclofen, and ethanol. Chronic use of these substances can cause tolerance, and abrupt cessation or a reduction in the quantity of the drug can precipitate a life-threatening withdrawal syndrome. Benzodiazepines, phenobarbital, propofol, and other GABA agonists or analogues can effectively control symptoms of withdrawal from GABAergic agents. Managing withdrawal symptoms requires a patient-specific approach that takes into account the physiologic pathways of the particular drugs used as well as the patient's age and comorbidities. Adjunctive therapies include alpha agonists, beta blockers, anticonvulsants, and antipsychotics. Newer pharmacological therapies offer promise in managing withdrawal symptoms.
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Tomassoni AJ, Hawk KF, Jubanyik K, Nogee DP, Durant T, Lynch KL, Patel R, Dinh D, Ulrich A, D’Onofrio G. Multiple Fentanyl Overdoses - New Haven, Connecticut, June 23, 2016. MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT 2017; 66:107-111. [PMID: 28151928 PMCID: PMC5657834 DOI: 10.15585/mm6604a4] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Manini AF, Nair AP, Vedanthan R, Vlahov D, Hoffman RS. Validation of the Prognostic Utility of the Electrocardiogram for Acute Drug Overdose. J Am Heart Assoc 2017; 6:e004320. [PMID: 28159815 PMCID: PMC5523748 DOI: 10.1161/jaha.116.004320] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 12/01/2016] [Indexed: 11/26/2022]
Abstract
BACKGROUND While it is certain that some emergency department patients with acute drug overdose suffer adverse cardiovascular events (ACVE), predicting ACVE is difficult. The prognostic utility of the ECG for heterogeneous drug overdose patients remains to be proven. This study was undertaken to validate previously derived features of the initial ECG associated with ACVE in this population. METHODS AND RESULTS We performed a prospective validation cohort study to evaluate adult emergency department patients with acute drug overdose at 2 urban university hospitals over 5 years in whom an emergency department admission ECG was performed. Exclusion criteria were alternate diagnoses, anaphylaxis, chronic drug toxicity, and missing outcome data. ACVE was defined as any of the following: circulatory shock, myocardial injury, ventricular dysrhythmia, or cardiac arrest. Blinded cardiologists interpreted ECGs for previously derived predictors of ACVE (ectopy, QT prolongation, nonsinus rhythm, ischemia/infarction), QT dispersion, and prominent R wave in lead AVR. Of 589 patients who met inclusion criteria (48% male, mean age 42), there were 95 ACVEs (39 shock, 64 myocardial injury, 26 dysrhythmia, 16 cardiac arrest). The most common drug exposures were as follows: benzodiazepines, opioids, and acetaminophen. Previously derived criteria were highly predictive of ACVE, with QT correction >500 ms as the highest risk feature (OR 11.2, CI 4.6-27). CONCLUSIONS This study confirms that early ECG evaluation is essential to assess the cardiovascular prognosis and medical clearance of emergency department patients with acute drug overdose. Furthermore, this study validates previously derived high-risk features of the admission ECG to risk stratify for ACVE in this patient population.
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Kanabar DJ. A clinical and safety review of paracetamol and ibuprofen in children. Inflammopharmacology 2017; 25:1-9. [PMID: 28063133 PMCID: PMC5306275 DOI: 10.1007/s10787-016-0302-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 11/29/2016] [Indexed: 11/25/2022]
Abstract
The antipyretic analgesics, paracetamol, and non-steroidal anti-inflammatory agents NSAIDs are one of the most widely used classes of medications in children. The aim of this review is to determine if there are any clinically relevant differences in safety between ibuprofen and paracetamol that may recommend one agent over the other in the management of fever and discomfort in children older than 3 months of age.
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Palmer LE, Gautier A. Clinical Update: The Risk of Opioid Toxicity and Naloxone Use in Operational K9s. JOURNAL OF SPECIAL OPERATIONS MEDICINE : A PEER REVIEWED JOURNAL FOR SOF MEDICAL PROFESSIONALS 2017; 17:86-92. [PMID: 29256202 DOI: 10.55460/6xrm-ew4x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 12/01/2017] [Indexed: 06/07/2023]
Abstract
The increasing use of opioids (e.g., fentanyl, carfentanil) for illicit drug manufacturing poses a potential life-threatening hazard to law enforcement officers and first responders (e.g., EMS, fire and rescue) who may unknowingly come into contact with these drugs during the course of their daily activities. Similarly, Operational canines (OpK9s) of all disciplines-detection (drug, explosive, accelerant), patrol, tracking, search and rescue, and others-are at risk for accidental illicit opioid exposure. The most serious adverse effect of opioid exposure is respiratory depression leading to slow, shallow breathing or complete cessation of voluntary breathing (respiratory arrest). Naloxone, an opioid antagonist, is the antidote for reversing the effects of an opioid overdose in both humans and OpK9s. This clinical update describes the potential risks associated with opioid exposure as well as the use of naloxone as it pertains to the OpK9.
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Rubio González V, Redondo Martín S, Ruíz López Del Prado G, Muñoz Moreno MF, Velázquez Miranda A. [Hospital Emergencies Associated with the Consumption of Hypnotics and Sedatives, 2009-2013,Castilla y León, Spain]. Rev Esp Salud Publica 2016; 90:e1-e12. [PMID: 27775683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 07/30/2016] [Indexed: 06/06/2023] Open
Abstract
OBJECTIVE Household Survey on Alcohol and Other Drugs shows the progressive increase in the consumption of hypnotics, alone or in combination with other substances. The aim of the research was to obtain information about the consumption of hypnotics and sedatives in population of Castilla y León treated in emergency medical services of four monitored hospitals between 2009-2013, describing clinical and epidemiological characteristics of the emergencies and what drugs were consumed, to provide information for future interventions. METHODS A descriptive cross-sectional study was done by analyzing 3,089 emergencies related to consumption of hypnotics and sedatives, obtained from Emergency Indicator related to the use of psychoactive substances of the National Observatory on Drugs. There were used χ2 test for comparing proportions and t Student test for means. RESULTS The total number of emergencies was 3,089, ranging in years of study. In 1,814 cases they were consumed only hypnosedatives; 64.7% women and average age of 41 years. The most frequent diagnosis was overdose/attempted suicide with benzodiazepines (29.3%), being lorazepam the most consumed. In 23.3% of cases it was consumed more than one hypnosedative and 9% was associated with psychiatric disorders. CONCLUSIONS The number of emergencies related to the consumption of at least one hypnosedative in the monitored hospitals in the period studied presented high levels especially in middle-aged women with no psychiatric disorder to justify their use. Benzodiazepines were the most consumed hypnotics, cause of overdose/attempted suicide episodes.
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Abstract
Concern for illicit and restricted drug use in otolaryngology is similar to other surgical specialties with a few notable exceptions. Many illicit drugs are consumed transnasally. Repeated nasal exposure to stimulants or narcotics can cause local tissue destruction that can present as chronic rhinosinusitis or nasoseptal perforation. Further, the Food and Drug Administration has taken a stance against codeine for pediatric patients undergoing adenotonsillectomy. They have identified an increased risk of death postoperatively with these medications. Because codeine has been the most commonly prescribed narcotic, this has shifted the standard practice.
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Management of Medical Emergencies. Pediatr Dent 2016; 38:451-452. [PMID: 27931501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Abstract
Drug overdose is now the leading cause of injury-related mortality in the USA, but the prognostic utility of cardiac biomarkers is unknown. We investigated whether serum cardiac troponin I (cTnI) was associated with overdose mortality. This prospective observational cohort studied adults with suspected acute drug overdose at two university hospital emergency departments (ED) over 3 years. The endpoint was in-hospital mortality, which was used to determine test characteristics of initial/peak cTnI. There were 437 overdoses analyzed, of whom there were 20 (4.6 %) deaths. Mean initial cTnI was significantly associated with mortality (1.2 vs. 0.06 ng/mL, p < 0.001), and the ROC curve revealed excellent cTnI prediction of mortality (AUC 0.87, CI 0.76-0.98). Test characteristics for initial cTnI (90 % specificity, 99 % negative predictive value) were better than peak cTnI (88.2 % specificity, 99.2 % negative predictive value), and initial cTnI was normal in only one death out of the entire cohort (1/437, CI 0.1-1.4 %). Initial cTnI results were highly associated with drug overdose mortality. Future research should focus on high-risk overdose features to optimize strategies for utilization of cTnI as part of the routine ED evaluation for acute drug overdose.
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Roy É, Arruda N, Bertrand K, Dufour M, Laverdière É, Jutras-Aswad D, Perreault M, Berbiche D, Bruneau J. Prevalence and correlates of prescription opioid residue injection. Drug Alcohol Depend 2016; 166:69-74. [PMID: 27397582 DOI: 10.1016/j.drugalcdep.2016.06.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/17/2016] [Accepted: 06/23/2016] [Indexed: 01/04/2023]
Abstract
BACKGROUND There is growing evidence of intravenous administration of prescription opioids (POs) in several countries. Preparation of POs for injection may leave residues in containers and filters used by people who inject drugs and may lead to adverse health outcomes if they are injected. METHODS This exploratory study used cross-sectional data from the COSMO study, a prospective cohort of out-of-treatment cocaine users carried out in Montréal (Canada) between October 2010 and August 2015. For this analysis, only one visit per participant was selected, that is, the first time the participant reported PO injection during the study. The outcome of interest, "injection of PO residues", was defined as having injected PO residues from a filter and/or a container in the last month. Correlates of this outcome were identified using logistic regression analyses. RESULTS Of the 122 participants who reported PO injection during the study period, 41.8% had injected PO residues. Reporting an unstable source of income (AOR=4.26; 95% CI: 1.03-17.69), a recent overdose (AOR=5.45; 95% CI: 1.50-19.88) and a preponderant use of opiates (mostly opiate use versus other drugs excluding alcohol and cannabis) (AOR=2.46; 95% CI: 1.08-5.63) increased the risk of PO residue injection. The odds of reporting PO residue injection rose by 7% per unit increase in the score of psychological distress (AOR=1.07 per unit increase; 95% CI: 1.01-1.12). CONCLUSIONS The findings of this study suggest that PO residue injection is associated with markers of vulnerability. Further investigation is needed in order to better understand this understudied drug injection practice.
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Friedman MS, Manini AF. Validation of Criteria to Guide Prehospital Naloxone Administration for Drug-Related Altered Mental Status. J Med Toxicol 2016; 12:270-5. [PMID: 27083903 PMCID: PMC4996789 DOI: 10.1007/s13181-016-0549-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/29/2016] [Accepted: 04/01/2016] [Indexed: 11/30/2022] Open
Abstract
INTRODUCTION We aimed to validate previously derived clinical criteria to predict successful prehospital response to naloxone in patients with altered mental status treated by EMS. We hypothesized that prehospital naloxone criteria would have high sensitivity for effective antidote response, but would be underutilized, in patients with drug-related altered mental status (DRAMS). METHODS This study was a secondary data analysis of a prospective cohort of acute DRAMS at an urban ED. Naloxone criteria (respiratory rate (RR) <12, miotic pupils, or drug paraphernalia) and mental status, graded by either AVPU (Alert, Verbal, Painful, Unresponsive) or Glasgow Coma Scales, were abstracted from prehospital care reports. Interventions were compared for effective antidote response (EAR), defined as immediate improvement in RR, AVPU, or GCS. RESULTS EMS transported 249 DRAMS over 17 months (48 % males, mean age 41.5, ALS 33.7 %). Forty-three (17 %) patients met naloxone criteria, of whom 44.2 % received the antidote. Naloxone criteria significantly predicted EAR (OR 7.0, p < 0.05) with 83 % sensitivity (95 % CI, 55-95 %). Miotic pupils (OR 20.0, p < 0.01) outperformed RR (OR 2.3, p = NS) as the best single criterion with 91 % sensitivity (95 % CI, 62-98 %). CONCLUSIONS This study validates prehospital criteria to guide naloxone administration. In addition, prehospital naloxone was underutilized for DRAMS. Further studies should address potential barriers to prehospital naloxone administration.
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Hieger MA, Maskell KF, Moss MJ, Powell SW, Cumpston KL. Dofetilide in Overdose: A Case Series from Poison Center Data. Cardiovasc Toxicol 2016; 17:368-371. [PMID: 27565970 DOI: 10.1007/s12012-016-9384-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Dofetilide is a class III antiarrhythmic used for treating atrial dysrhythmias. Though its adverse effects are well described in routine use, very little is known about dofetilide toxicity in overdose. This is a retrospective case series of consecutive patients reported to our poison center after dofetilide overdose. Twenty-seven cases were included. Seventeen patients were treated at a healthcare facility, and of these, eight were admitted. Twenty-one patients took one extra capsule, four took someone else's medication, one took three extra capsules, and one had a large intentional overdose. Ten patients had co-ingestants reported, including three QT-prolonging agents. No one required cardioversion, defibrillation, CPR, or overdrive pacing. The patient who reported taking 90 times his usual dose in suicide attempt was the only patient to have significant clinical effects. He experienced an 8-beat run of non-sustained ventricular tachycardia, frequent multifocal PVCs, and ventricular bigeminy. He received magnesium sulfate and potassium chloride supplementation. In this series, unintentional small overdoses did not result in significant clinical effects and were often managed successfully at home, despite the fact that information showing a single capsule can cause torsades. This study is limited by its small sample size, retrospective design, and reliance on incomplete information.
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Ichikura K, Okumura Y, Takeuchi T. Associations of Adverse Clinical Course and Ingested Substances among Patients with Deliberate Drug Poisoning: A Cohort Study from an Intensive Care Unit in Japan. PLoS One 2016; 11:e0161996. [PMID: 27560966 PMCID: PMC4999209 DOI: 10.1371/journal.pone.0161996] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 08/16/2016] [Indexed: 11/19/2022] Open
Abstract
Objectives Some patients with deliberate drug poisoning subsequently have an adverse clinical course. The present study aimed to examine whether the type of drugs ingested and psychiatric diagnoses were related to an adverse clinical course. Methods We conducted a cohort study of patients with deliberate drug poisoning admitted to the intensive care unit of a university hospital located in Tokyo, Japan, between September 2006 and June 2013. Intensive care unit (ICU) stay of ≥4 days was used as a primary outcome measure, while the incidence of aspiration pneumonitis was used as a secondary outcome measure. Ingested substances and psychiatric diagnoses were used as explanatory variables. Results Of the 676 patients with deliberate drug poisoning, 88% had a history of psychiatric treatment and 82% had ingested psychotropic drugs. Chlorpromazine-promethazine-phenobarbital combination drug (Vegetamin®) ranked fifth among the most frequently ingested substances in cases of deliberate drug poisoning and had the highest incidence of prolonged ICU stay (20%) and aspiration pneumonitis (29%). The top three major classes consisted of benzodiazepines (79%), new-generation antidepressants (25%), and barbiturates/non-barbiturates (23%). Barbiturate overdose was independently associated with increased odds of both prolonged ICU stay (8% vs. 17%; odds ratio [OR], 2.97; 95% confidence interval [CI], 1.60–5.55) and aspiration pneumonitis (8% vs. 24%; OR, 3.83; 95% CI, 2.18–6.79) relative to those associated with overdose of only other sedative-hypnotics (i.e., benzodiazepines). Conclusion These results suggest that judicious prescribing of barbiturates by psychiatrists could reduce the risk of an adverse clinical course when a patient attempts an overdose.
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In brief: uridine triacetate (Vistogard) for fluorouracil overdose. THE MEDICAL LETTER ON DRUGS AND THERAPEUTICS 2016; 58:90. [PMID: 27348145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Payen C, Dachraoui A, Pulce C, Descotes J. Prothrombin time prolongation in paracetamol poisoning: a relevant marker of hepatic failure? Hum Exp Toxicol 2016; 22:617-21. [PMID: 14686484 DOI: 10.1191/0960327103ht398oa] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The association between paracetamol overdose and prolonged prothrombin time due to hepatic failure is well recognized. However, little is known of the possibility that paracetamol overdose can prolong the prothrombin time without overt hepatic failure. The few data from the literature suggest this is either due to a reduction in the functional levels of the vitamin K-dependent clotting factors by elevated doses of paracetamol, or a consequence of the administration of the antidote N-acetylcystein. The three reported cases provide further evidence that paracetamol overdose can be associated with a prolongation in the prothrombin time without overt hepatic failure. Even though the prothrombin time provides useful prognosis information, decisions regarding the management of these patients should not solely be based on this endpoint to avoid misinterpretation of the accuracy and the severity of liver failure.
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Frank JW, Levy C, Calcaterra SL, Hoppe JA, Binswanger IA. Naloxone Administration in US Emergency Departments, 2000-2011. J Med Toxicol 2016; 12:148-56. [PMID: 26621354 PMCID: PMC4880605 DOI: 10.1007/s13181-015-0525-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Rates of opioid overdose and opioid-related emergency department (ED) visits have increased dramatically. Naloxone is an effective antidote to potentially fatal opioid overdose, but little is known about naloxone administration in ED settings. We examined trends and correlates of naloxone administration in ED visits nationally from 2000 to 2011. Using data from the National Hospital Ambulatory Medical Care Survey, we examined ED visits involving (1) the administration of naloxone or (2) a diagnosis of opioid overdose, abuse, or dependence. We assessed patient characteristics in these visits, including concomitant administration of prescription opioid medications. We used logistic regression to identify correlates of naloxone administration. From 2000 to 2011, naloxone was administered in an estimated 1.7 million adult ED visits nationally; 19 % of these visits recorded a diagnosis of opioid overdose, abuse, or dependence. An estimated 2.9 million adult ED visits were related to opioid overdose, abuse, or dependence; 11 % of these visits involved naloxone administration. In multivariable logistic regression models, patient age, race, and insurance and non-rural facility location were independently associated with naloxone administration. An opioid medication was provided in 14 % of visits involving naloxone administration. Naloxone was administered in a minority of ED visits related to opioid overdose, abuse, or dependence. Among all ED visits involving naloxone administration, prescription opioids were also provided in one in seven visits. Further work should explore the provider decision-making in the management of opioid overdose in ED settings and examine patient outcomes following these visits.
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Strang J, McDonald R, Alqurshi A, Royall P, Taylor D, Forbes B. Naloxone without the needle - systematic review of candidate routes for non-injectable naloxone for opioid overdose reversal. Drug Alcohol Depend 2016; 163:16-23. [PMID: 26996745 DOI: 10.1016/j.drugalcdep.2016.02.042] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Revised: 02/24/2016] [Accepted: 02/28/2016] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Deaths from opioid overdose can be prevented through administration of the antagonist naloxone, which has been licensed for injection since the 1970s. To support wider availability of naloxone in community settings, novel non-injectable naloxone formulations are being developed, suitable for emergency use by non-medical personnel. OBJECTIVES 1) Identify candidate routes of injection-free naloxone administration potentially suitable for emergency overdose reversal; 2) consider pathways for developing and evaluating novel naloxone formulations. METHODS A three-stage analysis of candidate routes of administration was conducted: 1) assessment of all 112 routes of administration identified by FDA against exclusion criteria. 2) Scrutiny of empirical data for identified candidate routes, searching PubMed and WHO International Clinical Trials Registry Platform using search terms "naloxone AND [route of administration]". 3) Examination of routes for feasibility and against the inclusion criteria. RESULTS Only three routes of administration met inclusion criteria: nasal, sublingual and buccal. Products are currently in development and being studied. Pharmacokinetic data exist only for nasal naloxone, for which product development is more advanced, and one concentrated nasal spray was granted licence in the US in 2015. However, buccal naloxone may also be viable and may have different characteristics. CONCLUSION After 40 years of injection-based naloxone treatment, non-injectable routes are finally being developed. Nasal naloxone has recently been approved and will soon be field-tested, buccal naloxone holds promise, and it is unclear what sublingual naloxone will contribute. Development and approval of reliable non-injectable formulations will facilitate wider naloxone provision across the community internationally.
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Kaicker J, Bostwick J. Co-ingestion of tricyclic antidepressants with selective norepinephrine reuptake inhibitors: Overdose in the emergency department. CANADIAN FAMILY PHYSICIAN MEDECIN DE FAMILLE CANADIEN 2016; 62:485-489. [PMID: 27303005 PMCID: PMC4907556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
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Liakoni E, Dolder PC, Rentsch KM, Liechti ME. Presentations due to acute toxicity of psychoactive substances in an urban emergency department in Switzerland: a case series. BMC Pharmacol Toxicol 2016; 17:25. [PMID: 27228985 PMCID: PMC4882845 DOI: 10.1186/s40360-016-0068-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 05/18/2016] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Although the recreational use of psychoactive substances is common there is only limited systematic collection of data on acute drug toxicity or hospital presentations, in particular regarding novel psychoactive substances (NPS) that have emerged on the illicit market in the last years. METHODS We included all cases presenting at the emergency department (ED) of the University Hospital of Basel, Switzerland, between October 2014 and September 2015 with acute toxicity due to self-reported recreational drug use or with symptoms/signs consistent with acute toxicity. Intoxications were confirmed using immunoassays and LC-MS/MS, detecting also novel psychoactive substances. RESULTS Among the 50'624 attendances at the ED, 210 were directly related to acute toxicity of recreational drugs. The mean patient age was 33 years and 73 % were male. Analytical drug confirmation was available in 136 cases. Most presentations were reportedly related to cocaine (33 %), cannabis (32 %), and heroin (14 %). The most commonly analytically detected substances were cannabis (33 %), cocaine (27 %), and opioids excluding methadone (19 %). There were only two NPS cases; a severe intoxication with paramethoxymethamphetamine (PMMA) in combination with other substances and an intoxication of minor severity with 2,5-dimethoxy-4-propylphenethylamine (2C-P). The most frequent symptoms were tachycardia (28 %), anxiety (23 %), nausea or vomiting (18 %), and agitation (17 %). Severe complications included two fatalities, two acute myocardial infarctions, seizures (13 cases), and psychosis (six cases). Most patients (76 %) were discharged home, 10 % were admitted to intensive care, and 2 % were referred to psychiatric care. CONCLUSION Most medical problems related to illicit drugs concerned cocaine and cannabis and mainly included sympathomimetic toxicity and/or psychiatric disorders confirming data from the prior year. Importantly, despite the dramatic increase in various NPS being detected in the last years, these substances were infrequently associated with ED presentations compared with classic recreational drugs.
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ACMT Position Statement: Duration of Intravenous Acetylcysteine Therapy Following Acetaminophen Overdose. J Med Toxicol 2016; 13:126-127. [PMID: 26957510 DOI: 10.1007/s13181-016-0542-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Accepted: 02/19/2016] [Indexed: 01/08/2023] Open
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Levine M, O'Connor AD, Padilla-Jones A, Gerkin RD. Comparison of Prothrombin Time and Aspartate Aminotransferase in Predicting Hepatotoxicity After Acetaminophen Overdose. J Med Toxicol 2016; 12:100-6. [PMID: 26341088 PMCID: PMC4781795 DOI: 10.1007/s13181-015-0504-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Despite decades of experience with acetaminophen (APAP) overdoses, it remains unclear whether elevated hepatic transaminases or coagulopathy develop first. Furthermore, comparison of the predictive value of these two variables in determining hepatic toxicity following APAP overdoses has been poorly elucidated. The primary objective of this study is to determine the test characteristics of the aspartate aminotransferase (AST) and the prothrombin time (PT) in patients with APAP toxicity. A retrospective chart review of APAP overdoses treated with IV N-acetylcysteine at a tertiary care referral center was performed. Of the 304 subjects included in the study, 246 with an initial AST less than 1000 were analyzed to determine predictors of hepatic injury, defined as an AST exceeding 1000 IU/L. The initial AST >50 was 79.5 % sensitive and 82.6 % specific for predicting hepatic injury. The corresponding negative and positive predictive values were 95.5 and 46.3 %, respectively. In contrast, an initial abnormal PT had a sensitivity of 82.1 % and a specificity of 63.6 %. The negative and positive predictive values for initial PT were 94.9 and 30.2 %, respectively. Although the two tests performed similarly for predicting a composite endpoint of death or liver transplant, neither was a useful predictor. Initial AST performed better than the initial PT for predicting hepatic injury in this series of patients with APAP overdose.
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Azab SMS, Hirshon JM, Hirshon JM, Hayes BD, El-Setouhy M, Smith GS, Sakr ML, Tawfik H, Klein-Schwartz W. Epidemiology of acute poisoning in children presenting to the poisoning treatment center at Ain Shams University in Cairo, Egypt, 2009-2013. Clin Toxicol (Phila) 2016; 54:20-6. [PMID: 26653953 PMCID: PMC4933840 DOI: 10.3109/15563650.2015.1112014] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Pediatric poisonings represent a major and preventable cause of morbidity and mortality throughout the world. Epidemiologic information about poisoning among children in many lower- and middle-income countries is scarce. This study describes the epidemiology of acute poisonings in children presenting to Ain Shams University's Poisoning Treatment Center (ASU-PTC) in Cairo and determines the causative agents and characteristics of acute poisoning in several pediatric age groups. METHODS This retrospective study involved acutely poisoned patients, 0-18 years of age, who presented to the ASU-PTC between 1 January 2009 and 31 December 2013. Data were extracted from electronic records maintained by the ASU-PTC. Collected data included demographics, substance of exposure, circumstances of the poisoning, patient disposition, and outcome. RESULTS During the 5-year study period, 38 470 patients meeting our criteria were treated by the ASU-PTC; 19 987 (52%) were younger than 6 years of age; 4196 (11%) were 6-12 years; and 14 287 (37%) were >12 years. Unintentional poisoning accounted for 68.5% of the ingestions, though among adolescents 84.1% of ingestions were with self-harm intent. In all age groups, the most frequent causative drugs were non-opioid analgesics, antipyretics, and antirheumatics. The most common nonpharmaceutical agents were corrosives in preschool children and pesticides in adolescents. Most patients had no/minor effects (29 174 [75.8%]); hospitalization rates were highest among adolescents. There were 119 deaths (case fatality rate of 0.3), primarily from pesticide ingestion. CONCLUSION Poisoning in preschool children is mainly unintentional and commonly due to nonpharmaceutical agents whereas poisoning in adolescents is mainly intentional (self-harm). Pesticides, mainly organophosphorous compounds and carbamates, were the most frequent agents leading to morbidity and mortality.
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Hein H, Püschel K, Schaper A, Iwersen-Bergmann S. [Accidental ingestion of methadone by children and suggestions for better prevention]. ARCHIV FUR KRIMINOLOGIE 2016; 237:38-46. [PMID: 26934765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Despite the medial attention attracted by the presented case in January 2012 and the determined measures taken to minimize the risk of accidental poisoning for children in the direct surroundings of substituted persons, we recently faced two more cases of methadone-intoxicated children in Hamburg. We believe that the most important step to increase awareness of the dangerous effects of methadone for children might be the storage of methadone in lockable boxes, which would make it safe from access by children and third parties. Moreover this way of storing reminds the patients of the risks resulting from their medication. Repeated and comprehensive instruction appears to be the best protection against cases like this to counteract careless handling of the substitution medication.
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Mokán M, Galajda P, Mokán M. [Non usual cases of hypoglycaemia--hypoglycaemia factitia]. VNITRNI LEKARSTVI 2015; 61:5S45-5S49. [PMID: 27124972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Hypoglycaemia factitia means also in recent time serious diagnostic and therapeutic problem in medical clinical practice, whereby often repeating episodes of serious hypoglycaemia in patients with diabetes mellitus, but also in patients without diabetes mellitus could be very difficult do resolve. First unsuccessful diagnosis implicit from wrong chose of examination algorithm, can lead to unidentified surgical interventions as are laparotomy and pancreatectomy, respectively. Hypoglycaemia factitia is considered to be one of many manifestations of so called Münchhausen's syndrome for that is typical acting of diabetic patient with goal to intentionally making hypoglycaemia or within suicidal attempt of patient on the basis psychological disease with intention to attract attention of surrounding community to himself due to application of insulin or sulfonylurea drugs. Diagnostic and therapeutic process could be in the case of hypoglycaemia factitia extremely difficult as from time side, than from health and also from economical side and that why necessary to approach with maximum responsibility.
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Nawrocka I, Kowalczys MH, Abramczyk P. Acute clenbuterol overdose manifestations in a suicide attempt--a case report. POLSKI MERKURIUSZ LEKARSKI : ORGAN POLSKIEGO TOWARZYSTWA LEKARSKIEGO 2015; 39:379-381. [PMID: 26802692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A 30-year-old man was admitted to the intensive care unit after a suicide attempt with respiratory difficulties, tremor, sinus tachycardia and significant hypokalemia. On examination, the patient was lucid, fully conscious and did not exhibit positive symptoms. Sings were not typical for overdosing olanzapine, alprazolam and alcohol as declared by the patient. Additional anamnesis revealed high doses of ingested clenbuterol, a selective β2-adrenergic agonist. Due to its anabolic and lipolytic properties, clenbuterol has become a commonly abused drug in bodybuilding industry and is not routinely detected by toxicology screens. This is the first known report of suicide attempt by clenbuterol overdosing.
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Klimas J, Egan M, Tobin H, Coleman N, Bury G. Development and process evaluation of an educational intervention for overdose prevention and naloxone distribution by general practice trainees. BMC MEDICAL EDUCATION 2015; 15:206. [PMID: 26590066 PMCID: PMC4654915 DOI: 10.1186/s12909-015-0487-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 11/10/2015] [Indexed: 06/05/2023]
Abstract
BACKGROUND Overdose is the most common cause of fatalities among opioid users. Naloxone is a life-saving medication for reversing opioid overdose. In Ireland, it is currently available to ambulance and emergency care services, but General Practitioners (GP) are in regular contact with opioid users and their families. This positions them to provide naloxone themselves or to instruct patients how to use it. The new Clinical Practice Guidelines of the Pre-hospital Emergency Care Council of Ireland allows trained bystanders to administer intranasal naloxone. We describe the development and process evaluation of an educational intervention, designed to help GP trainees identify and manage opioid overdose with intranasal naloxone. METHODS Participants (N = 23) from one postgraduate training scheme in Ireland participated in a one-hour training session. The repeated-measures design, using the validated Opioid Overdose Knowledge (OOKS) and Attitudes (OOAS) Scales, examined changes immediately after training. Acceptability and satisfaction with training were measured with a self-administered questionnaire. RESULTS Knowledge of the risks of overdose and appropriate actions to be taken increased significantly post-training [OOKS mean difference, 3.52 (standard deviation 4.45); P < 0.001]; attitudes improved too [OOAS mean difference, 11.13 (SD 6.38); P < 0.001]. The most and least useful delivery methods were simulation and video, respectively. CONCLUSION Appropriate training is a key requirement for the distribution of naloxone through general practice. In future studies, the knowledge from this pilot will be used to inform a train-the-trainer model, whereby healthcare professionals and other front-line service providers will be trained to instruct opioid users and their families in overdose prevention and naloxone use.
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Jolley CJ, Bell J, Rafferty GF, Moxham J, Strang J. Understanding Heroin Overdose: A Study of the Acute Respiratory Depressant Effects of Injected Pharmaceutical Heroin. PLoS One 2015; 10:e0140995. [PMID: 26495843 PMCID: PMC4619694 DOI: 10.1371/journal.pone.0140995] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 10/02/2015] [Indexed: 11/18/2022] Open
Abstract
Opioids are respiratory depressants and heroin/opioid overdose is a major contributor to the excess mortality of heroin addicts. The individual and situational variability of respiratory depression caused by intravenous heroin is poorly understood. This study used advanced respiratory monitoring to follow the time course and severity of acute opioid-induced respiratory depression. 10 patients (9/10 with chronic airflow obstruction) undergoing supervised injectable opioid treatment for heroin addiction received their usual prescribed dose of injectable opioid (diamorphine or methadone) (IOT), and their usual prescribed dose of oral opioid (methadone or sustained release oral morphine) after 30 minutes. The main outcome measures were pulse oximetry (SpO2%), end-tidal CO2% (ETCO2%) and neural respiratory drive (NRD) (quantified using parasternal intercostal muscle electromyography). Significant respiratory depression was defined as absence of inspiratory airflow >10s, SpO2% < 90% for >10s and ETCO2% per breath >6.5%. Increases in ETCO2% indicated significant respiratory depression following IOT in 8/10 patients at 30 minutes. In contrast, SpO2% indicated significant respiratory depression in only 4/10 patients, with small absolute changes in SpO2% at 30 minutes. A decline in NRD from baseline to 30 minutes post IOT was also observed, but was not statistically significant. Baseline NRD and opioid-induced drop in SpO2% were inversely related. We conclude that significant acute respiratory depression is commonly induced by opioid drugs prescribed to treat opioid addiction. Hypoventilation is reliably detected by capnography, but not by SpO2% alone. Chronic suppression of NRD in the presence of underlying lung disease may be a risk factor for acute opioid-induced respiratory depression.
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Faber B, Barr J. UNUSUAL OVERDOSE. JEMS : A JOURNAL OF EMERGENCY MEDICAL SERVICES 2015; 40:22-23. [PMID: 26554176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
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Kaur P, Mishra SK, Mithal A. Vitamin D toxicity resulting from overzealous correction of vitamin D deficiency. Clin Endocrinol (Oxf) 2015; 83:327-31. [PMID: 26053339 DOI: 10.1111/cen.12836] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 01/27/2015] [Accepted: 06/03/2015] [Indexed: 12/01/2022]
Abstract
BACKGROUND Vitamin D toxicity, often considered rare, can be life-threatening and associated with substantial morbidity, if not identified promptly. OBJECTIVE To describe clinical and biochemical features, risk factors and management of patients with vitamin D toxicity seen between January 2011 and January 2013. METHODOLOGY Patients presenting with vitamin D toxicity, between January 2011 and January 2013, at single tertiary care centre in Delhi-NCR, India, were included. Evaluation included detailed clinical history and biochemical tests including serum calcium, phosphorus, creatinine, intact parathyroid hormone and 25-hydroxyvitamin D (25(OH)D). RESULTS Sixteen patients with vitamin D toxicity could be identified. Clinical manifestations included nausea, vomiting, altered sensorium, constipation, pancreatitis, acute kidney injury and weight loss. Median (range) age was 64·5 (42-86) years. Median (range) serum 25(OH)D level and median (range) serum total serum calcium level were 371 (175-1161) ng/ml and 13·0 (11·1-15·7) mg/dl, respectively. Overdose of vitamin D caused by prescription of mega-doses of vitamin D was the cause of vitamin D toxicity in all cases. Median (range) cumulative vitamin D dose was 3,600,000 (2,220,000-6,360,000) IU. CONCLUSION Our data demonstrate an emergence of vitamin D toxicity as an increasingly common cause of symptomatic hypercalcaemia. Irrational use of vitamin D in mega-doses resulted in vitamin D toxicity in all cases. Awareness among healthcare providers regarding the toxic potential of high doses of vitamin D and cautious use of vitamin D supplements is the key to prevent this condition.
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Bajramović-Omeragić L, Čalkić L, Hadžić E, Aličkovič I. [ACCIDENTAL POISONING WITH A PLANT COLCHICUM AUTUMNALE: REPORT OF TWO CASES]. LIJECNICKI VJESNIK 2015; 137:288-291. [PMID: 26749951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Colchicine poisonings are serious and highly fatal conditions that occur as a result of food poisoning from plants that contain this alkaloid or overdose with drug containing colchicine. The leaves of edible wild garlic because of their similarity are often replaced with highly poisonous leaves of autumn crocus, causing poisoning. Described are two cases of food poisoning with Colchicum autumnale, who had similar symptoms in the initial stage, but different clinical course and outcome. Signs of poisoning require early identification and intensive supportive therapy, which increases the chances of survival.
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James L, Yan K, Pence L, Simpson P, Bhattacharyya S, Gill P, Letzig L, Kearns G, Beger R. Comparison of Bile Acids and Acetaminophen Protein Adducts in Children and Adolescents with Acetaminophen Toxicity. PLoS One 2015; 10:e0131010. [PMID: 26208104 PMCID: PMC4514842 DOI: 10.1371/journal.pone.0131010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 05/26/2015] [Indexed: 02/05/2023] Open
Abstract
Metabolomics approaches have enabled the study of new mechanisms of liver injury in experimental models of drug toxicity. Disruption of bile acid homeostasis is a known mechanism of drug induced liver injury. The relationship of individual bile acids to indicators of oxidative drug metabolism (acetaminophen protein adducts) and liver injury was examined in children with acetaminophen overdose, hospitalized children with low dose exposure to acetaminophen, and children with no recent exposure to acetaminophen. Nine bile acids were quantified through targeted metabolomic analysis in the serum samples of the three groups. Bile acids were compared to serum levels of acetaminophen protein adducts and alanine aminotransferase. Glycodeoxycholic acid, taurodeoxycholic acid, and glycochenodeoxycholic acid were significantly increased in children with acetaminophen overdose compared to healthy controls. Among patients with acetaminophen overdose, bile acids were higher in subjects with acetaminophen protein adduct values > 1.0 nmol/mL and modest correlations were noted for three bile acids and acetaminophen protein adducts as follows: taurodeoxycholic acid (R=0.604; p<0.001), glycodeoxycholic acid (R=0.581; p<0.001), and glycochenodeoxycholic acid (R=0.571; p<0.001). Variability in bile acids was greater among hospitalized children receiving low doses of acetaminophen than in healthy children with no recent acetaminophen exposure. Compared to bile acids, acetaminophen protein adducts more accurately discriminated among children with acetaminophen overdose, children with low dose exposure to acetaminophen, and healthy control subjects. In children with acetaminophen overdose, elevations of conjugated bile acids were associated with specific indicators of acetaminophen metabolism and non-specific indicators of liver injury.
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Flanagan RJ. Was it poisoning? TRANSACTIONS OF THE MEDICAL SOCIETY OF LONDON 2015; 129:40-61. [PMID: 26021007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The aim of post-mortem toxicology is to help establish the role that drugs or other poisons played in a death, or in events immediately before death. If self-poisoning is suspected then the diagnosis may be straightforward and all that may be required is confirmation of the agents involved. If the cause of death is not immediately obvious, however, then suspicion of possible poisoning is of course crucial. Blood sampling (needle aspiration, peripheral vein, e.g. femoral, ideally after proximal ligation) before opening the body, minimises the risk of sample contamination with, for example, gut contents or urine. The site of blood sampling should always be recorded. Other specimens (stomach contents, urine, liver, vitreous humor) may also be valuable and may be needed to corroborate unexpected or unusual findings in the absence of other evidence. The availability of ante-mortem specimens should not preclude post-mortem sampling. Appropriate sample preservation, transport, and storage are mandatory. Interpretation of post-mortem toxicology must take into account what is known of the clinical pharmacology, including pharmacokinetics, and toxicology of the agent(s) in question, the circumstances under which death occurred including the possible mechanism(s) of exposure, and other factors such as the sample(s) analysed and the analytical methods used. It was thought that concentrations of poisons measured in blood obtained at autopsy reflected the situation peri-mortem. However, we now know that changes may occur in the composition of body fluids, even peripheral blood, after death. Such changes are likely to be greater with centrally-acting drugs such as clozapine with large volumes of distribution, and may perhaps be minimised by prompt refrigeration of the body and performing the autopsy quickly. Better training in analytical toxicology is needed for pathologists and others who may be called upon to interpret toxicological data for the Courts. Undue reliance on quantitative results is likely to confuse sooner rather than later, especially in the case of centrally-acting drugs such as opioids and clozapine. Remember that the question is normally "was it poisoning?" or "was it an overdose?"--and not--"is it a fatal level"?
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El-Laboudi AH, Misra S, Martineau M, Deol P, Sanders A, Oliver N. Intentional Large Insulin Overdose Captured on a Continuous Glucose Monitor: A Novel Case Report. J Diabetes Sci Technol 2015; 9:929-31. [PMID: 25852072 PMCID: PMC4525655 DOI: 10.1177/1932296815579691] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ceschi A, Heistermann E, Gros S, Reichert C, Kupferschmidt H, Banner NR, Krähenbühl S, Taegtmeyer AB. Acute sirolimus overdose: a multicenter case series. PLoS One 2015; 10:e0128033. [PMID: 26020944 PMCID: PMC4447358 DOI: 10.1371/journal.pone.0128033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 04/21/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND There are few data relating to sirolimus overdose in the medical literature. Our objectives were to describe all cases of overdose with sirolimus reported to Swiss, German and Austrian Poisons Centres between 2002-2013. METHODS An observational case-series analysis was performed to determine circumstances, magnitude, management and outcome of sirolimus overdose. RESULTS Five cases of acute sirolimus overdose were reported--three in young children and two in adults. Four were accidental and one was with suicidal intent. Two patients developed symptoms probably related to sirolimus overdose: mild elevation of alkaline phosphatase, fever and gastroenteritis in a 2.5-year-old male who ingested 3 mg, and mild changes in total cholesterol in an 18-year-old female after ingestion of 103 mg. None of these events were life-threatening. Serial blood concentration measurements were performed starting 24 h after ingestion of 103 mg in a single case, and these followed a similar pharmacokinetic time-course to measurements taken after dosing in the therapeutic range. CONCLUSIONS Acute sirolimus overdose occurred accidentally in the majority of cases. Even large overdoses appeared to be well-tolerated, however children might be at greater risk of developing complications. Further study of sirolimus overdose is needed.
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Swenson O. Accidental methadone intoxication masquerading as asthma exacerbation with respiratory arrest in a six-year-old boy. DELAWARE MEDICAL JOURNAL 2015; 87:147-149. [PMID: 26058121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A 6-year-old boy is brought to the emergency department of a level 1 trauma center by emergency medical services (EMS) for presumed asthma exacerbation with subsequent unresponsiveness and transient bradycardia. The initial physician exam was remarkable for an unresponsive child, with diffusely diminished breath sounds bilaterally, accompanied by diffuse wheezing, as well as pinpoint pupils. This last observation led to the recommendation to attempt a dose of naloxone for a possible overdose prior to proceeding with intubation for the altered mental status. The child had a brisk response to the naloxone, was subsequently placed on a naloxone drip, and admitted to the hospital. Initial provider thoughts were that the naloxone had worked on an accidental overdose of over-the-counter dextromethorphan containing medication. These suspicions were later proven incorrect after mass spectrometry yielded a positive methadone presence in the urine. The child was ultimately discharged home with ongoing input from child protective services, without further medical complications. The increased utilization of methadone for the treatment of both opioid withdrawal, as well as for chronic pain management demands, heightened awareness of the clinicians, as cases such as this will continue to appear.
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Lyust EN, Tumilovich EY, Karpenko YN. [Optimization of the conditions for the detection of psychoactive compounds of the cholinoblocker and antidepressant groups with the use of the microcolumn HPLC technique]. Sud Med Ekspert 2015; 58:44-47. [PMID: 26245104 DOI: 10.17116/sudmed201558344-47] [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: 06/04/2023]
Abstract
The objective of the present study was to evaluate the possibility of using the BD-2003 database to separate the mixtures of various antidepressants by high-performance liquid chromatography (HPLC) based on the MiLiChrome A-02 complex with an EcoNova UV detector. The parameters of identification are described. The possibility of modification of the standard conditions for the analysis is demonstrated as exemplified by the identification of certain cholinoblockers. The proposed approach to the separation of psychoactive preparations provides a basis for the development of methods for the determination of these substances in biological tissues and fluids.
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Manini AF, Hoffman RS, Stimmel B, Vlahov D. Clinical risk factors for in-hospital adverse cardiovascular events after acute drug overdose. Acad Emerg Med 2015; 22:499-507. [PMID: 25903997 PMCID: PMC4426077 DOI: 10.1111/acem.12658] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 12/11/2014] [Accepted: 01/12/2015] [Indexed: 11/26/2022]
Abstract
OBJECTIVES It was recently demonstrated that adverse cardiovascular events (ACVE) complicate a high proportion of hospitalizations for patients with acute drug overdoses. The aim of this study was to derive independent clinical risk factors for ACVE in patients with acute drug overdoses. METHODS This prospective cohort study was conducted over 3 years at two urban university hospitals. Patients were adults with acute drug overdoses enrolled from the ED. In-hospital ACVE was defined as any of myocardial injury, shock, ventricular dysrhythmia, or cardiac arrest. RESULTS There were 1,562 patients meeting inclusion/exclusion criteria (mean age, 41.8 years; female, 46%; suicidal, 38%). ACVE occurred in 82 (5.7%) patients (myocardial injury, 61; shock, 37; dysrhythmia, 23; cardiac arrests, 22) and there were 18 (1.2%) deaths. On univariate analysis, ACVE risk increased with age, lower serum bicarbonate, prolonged QTc interval, prior cardiac disease, and altered mental status. In a multivariable model adjusting for these factors as well as patient sex and hospital site, independent predictors were: QTc > 500 msec (3.8% prevalence, odds ratio [OR] = 27.6), bicarbonate < 20 mEq/L (5.4% prevalence, OR = 4.4), and prior cardiac disease (7.1% prevalence, OR = 9.5). The derived prediction rule had 51.6% sensitivity, 93.7% specificity, and 97.1% negative predictive value, while presence of two or more risk factors had 90.9% positive predictive value. CONCLUSIONS The authors derived independent clinical risk factors for ACVE in patients with acute drug overdose, which should be validated in future studies as a prediction rule in distinct patient populations and clinical settings.
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Deer TR, Gunn J. Blood testing in chronic pain management. Pain Physician 2015; 18:E157-E161. [PMID: 25794214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Blood testing is quickly becoming a useful laboratory tool for opioid prescribers who wish to document and assess patient tolerance, more objectively monitor patient safety, and evaluate patient compliance using information that is not available with traditional urine drug testing (UDT). Blood testing does not need to be performed as frequently as UDT but provides extremely valuable information which can be used to more accurately evaluate patient compliance and assist with interpreting blood toxicology results commonly used in impairment or overdose cases. This narrative review presents the current evidence supporting the use of blood testing within the chronic pain management setting. In addition, this review aims to introduce and discuss the role of routine blood testing within the chronic pain management setting. Blood testing for the purpose of documenting opioid tolerance is a relatively novel tool for pain physicians and as such this review is not intended to be a comprehensive or exhaustive review of the scientific or medical literature. Prescribers must also be aware that this type of laboratory testing need only be administered to chronic pain patients receiving daily opioid therapy. Patients taking infrequent, low dose, or as needed medications are not anticipated to benefit from this type of test. Based on the complexity of both achieving acceptable outcomes with opioid treatment and the legal and societal issues at hand, we feel that the addition of blood concentration levels will become the standard of care in the near future.
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Dudas RA, Barone MA. Can medical students identify a potentially serious acetaminophen dosing error in a simulated encounter? a case control study. BMC MEDICAL EDUCATION 2015; 15:13. [PMID: 25889566 PMCID: PMC4335408 DOI: 10.1186/s12909-015-0288-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 01/09/2015] [Indexed: 06/04/2023]
Abstract
BACKGROUND In an effort to assess medical students' abilities to identify a medication administration error in an outpatient setting, we designed and implemented a standardized patient simulation exercise which included a medication overdose. METHODS Fourth year medical students completed a standardized patient (SP) simulation of a parent bringing a toddler to an outpatient setting. In this case-control study, the majority of students had completed a patient safety curriculum about pediatric medication errors prior to their SP encounter. If asked about medications, the SP portraying a parent was trained to disclose that she was administering acetaminophen and to produce a package with dosing instructions on the label. The administered dose represented an overdose. Upon completion, students were asked to complete an encounter note. RESULTS Three hundred forty students completed this simulation. Two hundred ninety-one students previously completed a formal patient safety curriculum while 49 had not. A total of two hundred thirty-four students (69%) ascertained that the parent had been administering acetaminophen to their child. Thirty-seven students (11%) determined that the dosage exceeded recommended dosages. There was no significant difference in the error detection rates of students who completed the patient safety curriculum and those who had not. CONCLUSIONS Despite a formal patient safety curriculum concerning medication errors, 89% of medical students did not identify an overdose of a commonly used over the counter medication during a standardized patient simulation. Further educational interventions are needed for students to detect medication errors. Additionally, 31% of students did not ask about the administration of over the counter medications suggesting that students may not view such medications as equally important to prescription medications. Simulation may serve as a useful tool to assess students' competency in identifying medication administration errors.
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Cooper CM, Baron JM. Case records of the Massachusetts General Hospital. Case 4-2015. A 49-year-old man with obtundation followed by agitation and acidosis. N Engl J Med 2015; 372:465-73. [PMID: 25629745 DOI: 10.1056/nejmcpc1410940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Haegerich TM, Paulozzi LJ, Manns BJ, Jones CM. What we know, and don't know, about the impact of state policy and systems-level interventions on prescription drug overdose. Drug Alcohol Depend 2014; 145:34-47. [PMID: 25454406 PMCID: PMC6557270 DOI: 10.1016/j.drugalcdep.2014.10.001] [Citation(s) in RCA: 196] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 09/15/2014] [Accepted: 10/01/2014] [Indexed: 12/14/2022]
Abstract
BACKGROUND Drug overdose deaths have been rising since the early 1990s and is the leading cause of injury death in the United States. Overdose from prescription opioids constitutes a large proportion of this burden. State policy and systems-level interventions have the potential to impact prescription drug misuse and overdose. METHODS We searched the literature to identify evaluations of state policy or systems-level interventions using non-comparative, cross-sectional, before-after, time series, cohort, or comparison group designs or randomized/non-randomized trials. Eligible studies examined intervention effects on provider behavior, patient behavior, and health outcomes. RESULTS Overall study quality is low, with a limited number of time-series or experimental designs. Knowledge and prescribing practices were measured more often than health outcomes (e.g., overdoses). Limitations include lack of baseline data and comparison groups, inadequate statistical testing, small sample sizes, self-reported outcomes, and short-term follow-up. Strategies that reduce inappropriate prescribing and use of multiple providers and focus on overdose response, such as prescription drug monitoring programs, insurer strategies, pain clinic legislation, clinical guidelines, and naloxone distribution programs, are promising. Evidence of improved health outcomes, particularly from safe storage and disposal strategies and patient education, is weak. CONCLUSIONS While important efforts are underway to affect prescriber and patient behavior, data on state policy and systems-level interventions are limited and inconsistent. Improving the evidence base is a critical need so states, regulatory agencies, and organizations can make informed choices about policies and practices that will improve prescribing and use, while protecting patient health.
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Mowry JB, Spyker DA, Cantilena LR, McMillan N, Ford M. 2013 Annual Report of the American Association of Poison Control Centers' National Poison Data System (NPDS): 31st Annual Report. Clin Toxicol (Phila) 2014; 52:1032-283. [PMID: 25559822 PMCID: PMC4782684 DOI: 10.3109/15563650.2014.987397] [Citation(s) in RCA: 311] [Impact Index Per Article: 31.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND This is the 31st Annual Report of the American Association of Poison Control Centers' (AAPCC) National Poison Data System (NPDS). As of January 1, 2013, 57 of the nation's poison centers (PCs) uploaded case data automatically to NPDS. The upload interval was 8.08 [7.10, 11.63] (median [25%, 75%]) minutes, creating a near real-time national exposure and information database and surveillance system. METHODOLOGY We analyzed the case data tabulating specific indices from NPDS. The methodology was similar to that of previous years. Where changes were introduced, the differences are identified. Poison center (PC) cases with medical outcomes of death were evaluated by a team of 38 medical and clinical toxicologist reviewers using an ordinal scale of 1-6 to assess the Relative Contribution to Fatality (RCF) of the exposure to the death. RESULTS In 2013, 3,060,122 closed encounters were logged by NPDS: 2,188,013 human exposures, 59,496 animal exposures, 806,347 information calls, 6,116 human-confirmed nonexposures, and 150 animal-confirmed nonexposures. Total encounters showed a 9.3% decline from 2012, while health care facility human exposure calls were essentially flat, decreasing by 0.1%.All information calls decreased 21.4% and health care facility (HCF) information calls decreased 8.5%, medication identification requests (drug ID) decreased 26.8%, and human exposures reported to US PCs decreased 3.8%. Human exposures with less serious outcomes have decreased 3.7% per year since 2008 while those with more serious outcomes (moderate, major or death) have increased by 4.7% per year since 2000. The top five substance classes most frequently involved in all human exposures were analgesics (11.5%), cosmetics/personal care products (7.7%), household cleaning substances (7.6%), sedatives/hypnotics/antipsychotics (5.9%), and antidepressants (4.2%). Sedative/hypnotics/antipsychotics exposures as a class increased most rapidly (2,559 calls/year) over the last 13 years for cases showing more serious outcomes. The top five most common exposures in children of 5 years or less were cosmetics/personal care products (13.8%), household cleaning substances (10.4%), analgesics (9.8%), foreign bodies/toys/miscellaneous (6.9%), and topical preparations (6.1%). Drug identification requests comprised 50.7% of all information calls. NPDS documented 2,477 human exposures resulting in death with 2,113 human fatalities judged related (RCF of 1, undoubtedly responsible; 2, probably responsible; or 3, contributory). CONCLUSIONS These data support the continued value of PC expertise and need for specialized medical toxicology information to manage the more severe exposures, despite a decrease in calls involving less severe exposures. Unintentional and intentional exposures continue to be a significant cause of morbidity and mortality in the United States. The near real-time, always current status of NPDS represents a national public health resource to collect and monitor US exposure cases and information calls. The continuing mission of NPDS is to provide a nationwide infrastructure for public health surveillance for all types of exposures, public health event identification, resilience response and situational awareness tracking. NPDS is a model system for the nation and global public health.
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Kelham MD, Goundry AL. ABCD: a simple mnemonic for the King's College Hospital criteria in paracetamol overdose. Br J Hosp Med (Lond) 2014; 75:716. [PMID: 25654146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Nasa P, Singh A, Juneja D, Singh O, Javeri Y. Continuous venovenous hemodiafiltration along with charcoal hemoperfusion for the management of life-threatening lercanidipine and amlodipine overdose. SAUDI JOURNAL OF KIDNEY DISEASES AND TRANSPLANTATION 2014; 25:1255-8. [PMID: 25394445 DOI: 10.4103/1319-2442.144262] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Overdose with calcium channel blockers is uncommon, but is associated with high mortality. The management includes fluid resuscitation, calcium gluconate, glucagon, vasopressors, and high-dose insulin-euglycemia therapy. We describe a rare case of massive overdose of lercanidipine with shock, refractory to conventional therapies and multi-organ failure. Charcoal hemoperfusion with continuous venovenous hemodiafiltration was then used successfully and the patient showed remarkable recovery.
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Fountain JS, Hawwari H, Kerr K, Holt A, Reith D. Awareness, acceptability and application of paracetamol overdose management guidelines in a New Zealand emergency department. THE NEW ZEALAND MEDICAL JOURNAL 2014; 127:20-29. [PMID: 25228418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
AIM To measure emergency physicians' awareness, acceptance, access to and application of the Australasian Paracetamol Overdose Guidelines. METHODS A retrospective record review of 100 consecutive presentations with the complaint of paracetamol overdose to the Dunedin Hospital Emergency Department, New Zealand, from 1 December 2011 to 31 December 2012, with: comparison of management to that recommended by the Guidelines, analysis of access to both an Internet poisons information resource and the New Zealand National Poisons Centre, survey of clinical staff opinion of the Guidelines and, comparison of actual and recommended management costs at commercial laboratory rates and with application of the WHO-CHOICE unit cost estimates for service delivery. RESULTS Response rate to the survey was 92.9% with 96.2% of responders aware of or accessing the Guidelines when managing paracetamol overdose patients (0.28% of Emergency Department encounters). Record review identified adherence to the Guidelines in 19% of patients; the greatest deviation due to increased biochemical analysis (68% of patients) at a mean cost $59.32 per patient greater than recommended - junior doctors ordering twice the cost in investigations as their seniors. Mean cost of care was calculated at $686.89 per case. CONCLUSION The application of poisons information guidelines by front-line medical staff is limited; innovative approaches to improve adherence to clinical management recommendations need to be considered.
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Wiles D, Casavant MJ. A case of Datura stramonium ingestion being misdiagnosed as cathinone intoxication. THE WEST VIRGINIA MEDICAL JOURNAL 2014; 110:10. [PMID: 25643467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Nishiyori Y, Nishida M, Shioda K, Suda S, Kato S. Unilateral hippocampal infarction associated with an attempted suicide: a case report. J Med Case Rep 2014; 8:219. [PMID: 24957787 PMCID: PMC4088294 DOI: 10.1186/1752-1947-8-219] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 04/22/2014] [Indexed: 11/21/2022] Open
Abstract
INTRODUCTION In our case report we describe the case of a patient who experienced a stroke in her left hippocampus that was found following an attempted suicide via glyphosate overdose. To the best of our knowledge this is the first case report to describe a hippocampal infarction associated with a drug overdose. CASE PRESENTATION A 64-year-old Japanese woman was brought to our emergency department after ingestion of an unknown dose of glyphosate surfactant herbicide in order to attempt suicide. On admission, she was assumed to be presenting with depression or psychiatric illness, however, sudden-onset memory deficit became apparent. The patient manifested delirium, confusion, and severe anxiety. In addition, short-term memory loss was prominent, with the patient forgetting her attempted suicide. Following an array of standard tests and a brain computed tomography scan (which only showed an old infraction), we performed a magnetic resonance imaging scan and neuropsychological evaluations. The brain magnetic resonance image revealed a small high-intensity lesion in the dorsal part of the left hippocampal body, and memory tests demonstrated severe short-term recall deficits. We diagnosed her with a left hippocampal infarction and administered a course of 75mg of clopidogrel. She gradually became less confused over the course of a week, and a follow-up memory test revealed partial improvement in some domains. No abnormalities were found on a follow-up brain scan. However, despite rehabilitation, memory impairments remain. CONCLUSIONS It is important to note that had the symptom of short-term memory been absent or less severe, she might have been misdiagnosed with depression or another psychiatric illness. Although a computed tomography scan failed to detect hippocampal lesions, a diffusion-weighted magnetic resonance imaging scan clearly revealed a lesion within the left hippocampus. Therefore, in addition to assessments focusing on psychiatric illnesses that might be the root cause of an attempted suicide, organic factors should be considered along with radiological examination and precise memory assessments for diagnosing similar cases.
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Eren Cevik S, Tasyurek T, Guneysel O. Intralipid emulsion treatment as an antidote in lipophilic drug intoxications. Am J Emerg Med 2014; 32:1103-8. [PMID: 24974371 DOI: 10.1016/j.ajem.2014.05.019] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 05/12/2014] [Accepted: 05/14/2014] [Indexed: 11/18/2022] Open
Abstract
Intravenous lipid emulsion (ILE) is a lifesaving treatment of lipophilic drug intoxications. Not only does ILE have demonstrable efficacy as an antidote to local anesthetic toxicity, it is also effective in lipophilic drug intoxications. Our case series involved 10 patients with ingestion of different types of lipophilic drugs. Intravenous lipid emulsion treatment improved Glasgow Coma Scale or blood pressure and pulse rate or both according to the drug type. Complications were observed in 2 patients (minimal change pancreatitis and probable ILE treatment-related fat infiltration in lungs). In our case series, ILE was used for different lipophilic drug intoxications to improve cardiovascular and neurologic symptoms. According to the results, it was found that ILE treatment is a lifesaving agent in lipophilic drug intoxications and it can be used in unconscious patients who have cardiac and/or neurologic symptoms but no history of a specific drug ingestion.
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Hasegawa K, Brown DFM, Tsugawa Y, Camargo CA. Epidemiology of emergency department visits for opioid overdose: a population-based study. Mayo Clin Proc 2014; 89:462-71. [PMID: 24629443 DOI: 10.1016/j.mayocp.2013.12.008] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Revised: 11/19/2013] [Accepted: 12/02/2013] [Indexed: 11/28/2022]
Abstract
OBJECTIVES To evaluate the rate of emergency department (ED) visits for opioid overdose and to examine whether frequent ED visits for opioid overdose are associated with more hospitalizations, near-fatal events, and health care spending. PATIENTS AND METHODS Retrospective cohort study of adults with at least 1 ED visit for opioid overdose between January 1, 2010, and December 31, 2011, derived from population-based data of State Emergency Department Databases and State Inpatient Databases for 2 large and diverse states: California and Florida. Main outcome measures were hospitalizations for opioid overdose, near-fatal events (overdose involving mechanical ventilation), and hospital charges during the year after the first ED visit. RESULTS The analytic cohort comprised 19,831 unique patients with 21,609 ED visits for opioid overdose. During a 1-year period, 7% (95% CI, 7%-7%; n=1389 patients) of the patients had frequent (2 or more) ED visits, accounting for 15% (95% CI, 14%-15%; n=3167) of all opioid overdose ED visits. Middle age, male sex, public insurance, lower household income, and comorbidities (such as chronic pulmonary disease and neurological diseases) were associated with frequent ED visits (all P<.01). Overall, 53% (95% CI, 52%-54%; n=11,412) of the ED visits for opioid overdose resulted in hospitalizations; patients with frequent ED visits for opioid overdose had a higher likelihood of hospitalization (adjusted odds ratio, 3.98; 95% CI, 3.38-4.69). In addition, 10.0% (95% CI, 10%-10%; n=2161) of the ED visits led to near-fatal events; patients with frequent ED visits had a higher likelihood of a near-fatal event (adjusted odds ratio, 2.27; 95% CI, 1.96-2.66). Total charges in Florida were $208 million (95% CI, $200-$219 million). CONCLUSION In this population-based cohort, we found that frequent ED visits for opioid overdose were associated with a higher likelihood of future hospitalizations and near-fatal events.
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