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Echeverria-Villalobos M, Guevara Y, Mitchell J, Ryskamp D, Conner J, Bush M, Periel L, Uribe A, Weaver TE. Potential perioperative cardiovascular outcomes in cannabis/cannabinoid users. A call for caution. Front Cardiovasc Med 2024; 11:1343549. [PMID: 38978789 PMCID: PMC11228818 DOI: 10.3389/fcvm.2024.1343549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 05/15/2024] [Indexed: 07/10/2024] Open
Abstract
Background Cannabis is one of the most widely used psychoactive substances. Its components act through several pathways, producing a myriad of side effects, of which cardiovascular events are the most life-threatening. However, only a limited number of studies address cannabis's perioperative impact on patients during noncardiac surgery. Methods Studies were identified by searching the PubMed, Medline, EMBASE, and Google Scholar databases using relevant keyword combinations pertinent to the topic. Results Current evidence shows that cannabis use may cause several cardiovascular events, including abnormalities in cardiac rhythm, myocardial infarction, heart failure, and cerebrovascular events. Additionally, cannabis interacts with anticoagulants and antiplatelet agents, decreasing their efficacy. Finally, the interplay of cannabis with inhalational and intravenous anesthetic agents may lead to adverse perioperative cardiovascular outcomes. Conclusions The use of cannabis can trigger cardiovascular events that may depend on factors such as the duration of consumption, the route of administration of the drug, and the dose consumed, which places these patients at risk of drug-drug interactions with anesthetic agents. However, large prospective randomized clinical trials are needed to further elucidate gaps in the body of knowledge regarding which patient population has a greater risk of perioperative complications after cannabis consumption.
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Affiliation(s)
| | - Yosira Guevara
- Department of Anesthesiology, St Elizabeth’s Medical Center, Brighton, MA, United States
| | - Justin Mitchell
- Department of Anesthesiology & Perioperative Medicine, UCLA Medical Center, Los Angeles, CA, United States
| | - David Ryskamp
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Joshua Conner
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Margo Bush
- University of Toledo, College of Medicine and Life Sciences, Toledo, OH, United States
| | - Luis Periel
- Touro College of Osteopathic Medicine, New York, NW, United States
| | - Alberto Uribe
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Tristan E. Weaver
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH, United States
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Tzadok M, Gur-Pollack R, Florh H, Michaeli Y, Gilboa T, Lezinger M, Heyman E, Chernuha V, Gudis I, Nissenkorn A, Lerman-Sagie T, Ben Zeev B, Uliel-Sibony S. Real-Life Experience With Purified Cannabidiol Treatment for Refractory Epilepsy: A Multicenter Retrospective Study. Pediatr Neurol 2024; 150:91-96. [PMID: 37995414 DOI: 10.1016/j.pediatrneurol.2023.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 10/18/2023] [Indexed: 11/25/2023]
Abstract
BACKGROUND Drug-resistant epilepsy (DRE) affects the development and quality of life of children and young adults. We analyzed the effectiveness and safety of purified CBD in this population. METHODS A retrospective analysis of medical records of 139 children and young adults (54.7% female, median age 12.0 years) with DRE treated with purified CBD from 2018 to 2022 at five medical centers in Israel. RESULTS The most common diagnosis was Lennox-Gastaut syndrome (37.4%) followed by Dravet syndrome (16.5%) and tuberous sclerosis complex (16.5%). Median purified CBD dose was 12.5 mg/kg (range 2.5 to 20.0), and median treatment duration was 9.0 months (range 0.5 to 48.0). Most patients (92.2%) had a reduced seizure frequency following treatment initiation; 41.1% had >50% reduction. Fifty-three patients (38.1%) had positive effects: improved alertness (31.7%), improved speech (10.1%), and achievement of new developmental milestones (2.2%). A multivariate linear model assessing predictive factors for seizure reduction demonstrated that patients previously treated with CBD oils, especially those with >50% seizure reduction on prior treatment, were also more likely to have a reduced seizure frequency while they were treated with purified CBD (P = 0.01, P < 0.0001). Development, diagnosis, age, purified CBD dose (0 to 10 mg/kg/day vs 10 to 20 mg/kg/day), and concomitant treatment with clobazam, valproic acid, or everolimus did not affect seizure reduction by purified CBD. The most common adverse events were irritability (20.9%) and drowsiness (12.9%). CONCLUSION Purified CBD is well-tolerated and effective in reducing seizure frequency in children and young adults with DRE.
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Affiliation(s)
- Michal Tzadok
- Pediatric Neurology Unit, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Ramat Gan, Israel; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | | | - Hadar Florh
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology and Development Center, Shamir Medical Center (Assaf Harofeh), Be'er Ya'akov, Israel
| | - Yael Michaeli
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Unit, Wolfson Medical Center, Holon, Israel
| | - Tal Gilboa
- Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, Israel; Pediatric Neurology Unit, Hadassah University Hospital, Jerusalem, Israel
| | - Mirit Lezinger
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology and Development Center, Shamir Medical Center (Assaf Harofeh), Be'er Ya'akov, Israel
| | - Eli Heyman
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology and Development Center, Shamir Medical Center (Assaf Harofeh), Be'er Ya'akov, Israel
| | - Veronika Chernuha
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Irina Gudis
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Unit, Wolfson Medical Center, Holon, Israel
| | - Andreea Nissenkorn
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Unit, Wolfson Medical Center, Holon, Israel
| | - Tally Lerman-Sagie
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Unit, Wolfson Medical Center, Holon, Israel
| | - Bruria Ben Zeev
- Pediatric Neurology Unit, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Ramat Gan, Israel; Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Shimrit Uliel-Sibony
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel; Pediatric Neurology Institute, Dana-Dwek Children's Hospital, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
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Schlag AK, Zafar RR, Lynskey MT, Athanasiou-Fragkouli A, Phillips LD, Nutt DJ. The value of real world evidence: The case of medical cannabis. Front Psychiatry 2022; 13:1027159. [PMID: 36405915 PMCID: PMC9669276 DOI: 10.3389/fpsyt.2022.1027159] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022] Open
Abstract
Randomised controlled trials (RCTs) have long been considered the gold standard of medical evidence. In relation to cannabis based medicinal products (CBMPs), this focus on RCTs has led to very restrictive guidelines in the UK, which are limiting patient access. There is general agreement that RCT evidence in relation to CBPMs is insufficient at present. As well as commercial reasons, a major problem is that RCTs do not lend themselves well to the study of whole plant medicines. One solution to this challenge is the use of real world evidence (RWE) with patient reported outcomes (PROs) to widen the evidence base. Such data increasingly highlights the positive impact medical cannabis can have on patients' lives. This paper outlines the value of this approach which involves the study of interventions and patients longitudinally under medical care. In relation to CBMPs, RWE has a broad range of advantages. These include the study of larger groups of patients, the use of a broader range and ratio of components of CBMPs, and the inclusion of more and rarer medical conditions. Importantly, and in contrast to RCTs, patients with significant comorbidities-and from a wider demographic profile-can also be studied, so providing higher ecological validity and increasing patient numbers, whilst offering significant cost savings. We conclude by outlining 12 key recommendations of the value of RWE in relation to medical cannabis. We hope that this paper will help policymakers and prescribers understand the importance of RWE in relation to medical cannabis and help them develop approaches to overcome the current situation which is detrimental to patients.
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Affiliation(s)
- Anne Katrin Schlag
- Drug Science, London, United Kingdom.,Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Rayyan R Zafar
- Drug Science, London, United Kingdom.,Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, United Kingdom
| | | | | | - Lawrence D Phillips
- Drug Science, London, United Kingdom.,Department of Management, London School of Economics and Political Science, London, United Kingdom
| | - David J Nutt
- Drug Science, London, United Kingdom.,Department of Brain Sciences, Faculty of Medicine, Imperial College London, London, United Kingdom
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