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Kim EH, Choi BM, Kang P, Lee JH, Kim HS, Jang YE, Ji SH, Noh GJ, Cho JY, Kim JT. Pharmacokinetics of dexmedetomidine in pediatric patients undergoing cardiac surgery with cardiopulmonary bypass. Paediatr Anaesth 2023; 33:303-311. [PMID: 36594749 DOI: 10.1111/pan.14626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/29/2022] [Accepted: 12/30/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND Cardiopulmonary bypass can affect the pharmacokinetics of anesthetic agents. AIMS We aimed to evaluate the pharmacokinetics of dexmedetomidine for infants and small children undergoing cardiac surgery with cardiopulmonary bypass based on population pharmacokinetics. METHODS We enrolled 30 pediatric cardiac surgical patients in this study. After anesthetic induction with atropine (0.02 mg/kg), thiopental sodium (5 mg/kg), and fentanyl (2-3 μg/kg), we administered 1 μg/kg of dexmedetomidine for 10 min, followed by administration of 0.5 μg/kg of dexmedetomidine per hour during surgery. At the initiation of cardiopulmonary bypass, 1 μg/kg of dexmedetomidine was infused over 5 min. Arterial blood was obtained at predefined time points. A pharmacokinetic model was developed using NONMEM. Theory-based allometric scaling with fixed exponents was applied. Weight, age, post-menstrual age, fat-free mass, whether to implement cardiopulmonary bypass and temperature were explored as covariates. RESULTS A total of 376 blood samples were obtained from 29 children (age: 20.3 ± 19.3 months, weight: 9.7 ± 4.1 kg). A two-compartment mammillary model with third compartment associated cardiopulmonary bypass procedure best explained the pharmacokinetics of dexmedetomidine. The pharmacokinetic parameter estimates (95% CI) standardized to a 70-kg person were as follows: V1 (L) = 31.6 (17.9-39.5), V2 (L) = 90.1 (44.0-330), Cl (L/min) = 1.08 (0.70-1.25), Q (L/min) = 2.0 (1.05-3.46). Volume for third compartment associated cardiopulmonary bypass procedure (L) = 39.4 (19.3-50.9). Clearance was not influenced by the presence of cardiopulmonary bypass in this model. CONCLUSION When cardiopulmonary bypass is applied, the plasma concentration of dexmedetomidine decreases due to an increase in the volume of distribution, so a loading dose is required to maintain the previous concentration.
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Affiliation(s)
- Eun-Hee Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Byung-Moon Choi
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, Ulsan College of Medicine, Seoul, Korea
| | - Pyoyoon Kang
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Ji-Hyun Lee
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Hee-Soo Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Young-Eun Jang
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Sang-Hwan Ji
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Gyu-Jeong Noh
- Department of Anesthesiology and Pain Medicine, Asan Medical Center, Ulsan College of Medicine, Seoul, Korea
| | - Joo-Youn Cho
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine, Seoul, Korea
| | - Jin-Tae Kim
- Department of Anesthesiology and Pain Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
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Chen X, Chen D, Chen P, Chen A, Deng J, Wei J, Zeng W, Zheng X. Dexmedetomidine Attenuates Apoptosis and Neurological Deficits by Modulating Neuronal NADPH Oxidase 2-Derived Oxidative Stress in Neonates Following Hypoxic Brain Injury. Antioxidants (Basel) 2022; 11:2199. [PMID: 36358571 PMCID: PMC9686745 DOI: 10.3390/antiox11112199] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/26/2022] [Accepted: 11/04/2022] [Indexed: 08/31/2023] Open
Abstract
Hypoxic-ischemic brain injury is an important cause of neonatal neurological deficits. Our previous study demonstrated that dexmedetomidine (Dex) provided neuroprotection against neonatal hypoxic brain injury; however, the underlying mechanisms remain incompletely elucidated. Overactivation of NADPH oxidase 2 (NOX2) can cause neuronal apoptosis and neurological deficits. Hence, we aimed to investigate the role of neuronal NOX2 in Dex-mediated neuroprotection and to explore its potential mechanisms. Hypoxic injury was modeled in neonatal rodents in vivo and in cultured hippocampal neurons in vitro. Our results showed that pre- or post-treatment with Dex improved the neurological deficits and alleviated the hippocampal neuronal damage and apoptosis caused by neonatal hypoxia. In addition, Dex treatment significantly suppressed hypoxia-induced neuronal NOX2 activation; it also reduced oxidative stress, as evidenced by decreases in intracellular reactive oxygen species (ROS) production, malondialdehyde, and 8-hydroxy-2-deoxyguanosine, as well as increases in the antioxidant enzymatic activity of superoxide dismutase and glutathione peroxidase in neonatal rat hippocampi and in hippocampal neurons. Lastly, the posthypoxicneuroprotective action of Dex was almost completely abolished in NOX2-deficient neonatal mice and NOX2-knockdown neurons. In conclusion, our data demonstrated that neuronal NOX2-mediated oxidative stress is involved in the neuroprotection that Dex provides against apoptosis and neurological deficits in neonates following hypoxia.
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Affiliation(s)
- Xiaohui Chen
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Dongtai Chen
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, China
| | - Pinzhong Chen
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Andi Chen
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Jianhui Deng
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Jianjie Wei
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
| | - Weian Zeng
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangzhou 510060, China
| | - Xiaochun Zheng
- Department of Anesthesiology, Shengli Clinical Medical College, Fujian Medical University, Fujian Provincial Hospital, Fuzhou 350001, China
- Fujian Provincial Key Laboratory of Emergency Medicine, Fujian Provincial Key Laboratory of Critical Care Medicine, Fujian Provincial Co-Constructed Laboratory of “Belt and Road”, Fuzhou 350001, China
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Zhu Y, Pang G, Lu B, Jiang L, Rao C, Tong S. Anesthetic Effect of Dexmedetomidine in Clinical Functional Neurosurgery. DISEASE MARKERS 2022; 2022:6000388. [PMID: 35655919 PMCID: PMC9155914 DOI: 10.1155/2022/6000388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/23/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022]
Abstract
Background Dexmedetomidine is a highly selective and efficient α2-adrenoceptor agonist with good antianxiety, analgesic, hypnotic, and sedative effects without causing respiratory depression. Aim To investigate the anesthetic effect of dexmedetomidine in clinical neurosurgery. Methods A total of 94 patients who received functional neurosurgical treatment in our hospital from March 2019 to October 2020 were selected and divided into the study and control groups. Routine anesthesia was adopted in the control group, while dexmedetomidine was used in the study group. Perioperative hemodynamic indicators such as mean arterial pressure, heart rate, and peripheral capillary oxygen saturation, cognitive function score, pain score VAS, stress response index level, and incidence of adverse reactions were compared between the two groups. Results Before surgery (T0), no significant differences in MAP, HR, and SpO2 were observed between the two groups. However, at the beginning of the operation (T1), 30 min after the operation (T2), and immediately after the operation (T3), these indicators in the study group were significantly higher than in the control group. The postoperative MMSE of the study group 3 d later was significantly higher than that of the control group. The VAS scores after the operation of the study group were lower than those of the control group. The serum cortisol (COR) and aldosterone (ALD) levels in the study group were not significantly different from those in the control group before surgery. The levels of each index in the two groups were higher than those before and 24 h after surgery. The incidence rate of adverse reactions in the study group was lower. Conclusion The application of dexmedetomidine in clinical functional neurosurgery is safe and can maintain hemodynamic stability and reduce the degree of stress response, cognitive impairment, and pain caused by invasive surgery.
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Affiliation(s)
- Yuanmao Zhu
- Department of Pain, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
| | - Gang Pang
- Department of Anesthesiology, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
| | - Bing Lu
- Department of Pain, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
| | - Ling Jiang
- Department of Anesthesiology, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
| | - Chuanhua Rao
- Department of Anesthesiology, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
| | - Shanshan Tong
- Department of Anesthesiology, Jiangjin Central Hospital of Chongqing, 725 Jiangzhou Avenue, Dingshan Street, Jiangjin District, Chongqing, China 402260
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Feature Extraction and Small-Sample Learning of Dexmedetomidine for Neurosurgery on Postoperative Agitation in Patients with Craniocerebral Injury. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:3699647. [PMID: 36874255 PMCID: PMC9977537 DOI: 10.1155/2022/3699647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 01/29/2022] [Indexed: 11/17/2022]
Abstract
Objective. To observe the controlled effect of dexmedetomidine for neurosurgery and the effect on postoperative cognitive function. The main task of this paper is to use data from a small sample. The proposed feature extraction algorithm based on the bilinear convolutional neurological network (BCNN) is based on a small sample of data. BCNN involves the simultaneous extraction of highly discriminative cross-sectional features from the input image using two parallel subnetworks. By optimizing the algorithm to minimize losses, the two subnetworks can be supervised by each other, improving the performance of the network and obtaining accurate recognition results without spending a lot of time adjusting parameters. The mean arterial pressure (MAP) and heart rate (HR) levels of cerebral oxygen metabolism were compared between the two groups before (T0), after (T1), immediately after (T2), and after intubation (T3). In the observation group, MAP and HR values at T3, arterial-internal jugular vein bulb oxygen difference [D(a - jv)O 2] at T1, T2, and T3, cerebral oxygen uptake (CEO2) levels, and postawakening agitation scores were lower than those of the control group during the same period (P < 0.05).
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James NT, Breeyear JH, Caprioli R, Edwards T, Hachey B, Kannankeril PJ, Keaton JM, Marshall MD, Van Driest SL, Choi L. Population Pharmacokinetic Analysis of Dexmedetomidine in Children using Real World Data from Electronic Health Records and Remnant Specimens. Br J Clin Pharmacol 2021; 88:2885-2898. [PMID: 34957589 DOI: 10.1111/bcp.15194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 11/18/2021] [Accepted: 12/14/2021] [Indexed: 11/30/2022] Open
Abstract
AIM Our objectives were to perform a population pharmacokinetic analysis of dexmedetomidine in children using remnant specimens and electronic health records (EHRs) and explore the impact of patient's characteristics and pharmacogenetics on dexmedetomidine clearance. METHODS Dexmedetomidine dosing and patient data were gathered from EHRs and combined with opportunistically sampled remnant specimens. Population pharmacokinetic models were developed using nonlinear mixed-effects modeling. Stage one developed a model without genotype variables; Stage two added pharmacogenetic effects. RESULTS Our final study population included 354 post-cardiac surgery patients age 0 to 22 years (median 16 months). The data were best described with a two-compartment model with allometric scaling for weight and Hill maturation function for age. Population parameter estimates and 95% confidence intervals were 27.3 L/hr (24.0 - 31.1 L/hr) for total clearance (CL), 161 L (139 - 187 L) for central compartment volume of distribution (V1 ), 26.0 L/hr (22.5 - 30.0 L/hr) for intercompartmental clearance (Q), and 7903 L (5617 - 11119 L) for peripheral compartment volume of distribution (V2 ). The estimate for postmenstrual age when 50% of adult clearance is achieved was 42.0 weeks (41.5 - 42.5 weeks) and the Hill coefficient estimate was 7.04 (6.99 - 7.08). Genotype was not statistically or clinically significant. CONCLUSION Our study demonstrates the use of real-world EHR data and remnant specimens to perform a population PK analysis and investigate covariate effects in a large pediatric population. Weight and age were important predictors of clearance. We did not find evidence for pharmacogenetic effects of UGT1A4 or UGT2B10 genotype or CYP2A6 risk score.
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Affiliation(s)
- Nathan T James
- Departments of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
| | | | | | - Todd Edwards
- Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Brian Hachey
- Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Prince J Kannankeril
- Pediatrics, Vanderbilt University Medical Center, Nashville, TN.,Center for Pediatric Precision Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Jacob M Keaton
- Medicine, Vanderbilt University Medical Center, Nashville, TN.,Center for Precision Health Research, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD
| | - Matthew D Marshall
- Pharmaceutical Services, Vanderbilt University Medical Center, Nashville, TN
| | - Sara L Van Driest
- Medicine, Vanderbilt University Medical Center, Nashville, TN.,Pediatrics, Vanderbilt University Medical Center, Nashville, TN.,Center for Pediatric Precision Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Leena Choi
- Departments of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
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Zhang Y, Bao D, Chi D, Li L, Liu B, Zhang D, Qiao L, Liang Y, Wang Y, Jin X. Dexmedetomidine vs. lidocaine for postoperative analgesia in pediatric patients undergoing craniotomy: a protocol for a prospective, randomized, double-blinded, placebo-controlled trial. Trials 2021; 22:800. [PMID: 34774098 PMCID: PMC8590361 DOI: 10.1186/s13063-021-05774-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 10/29/2021] [Indexed: 12/14/2022] Open
Abstract
Background Postoperative pain is a common problem that occurs in pediatric patients following neurosurgery which may lead to severe complications. Dexmedetomidine is a commonly used adjuvant medicine in craniotomy owing to its sedative, amnestic, analgesic, and neuroprotective properties. Besides, studies suggest that lidocaine has similar effects on sedation, analgesia, and neuroprotection. Both two adjuvants can reduce postoperative pain after neurosurgery in adults. However, it is still unknown whether dexmedetomidine or lidocaine can reduce postoperative pain in children undergoing craniotomy, and if yes, which is a better medicine choice. Therefore, we aimed to compare the effect of dexmedetomidine vs. lidocaine on postoperative pain in pediatric patients after craniotomy. Methods/design We will perform a randomized (1:1:1), double-blind, placebo-controlled, single-center trial. Children aged 1–12 years scheduled for craniotomy will be eligible for inclusion. The 255 recruited participants will be stratified by age in two strata (1–6 years and 7–12 years), and then each stratum will be equally randomized to three groups: group D (infusion of dexmedetomidine [intervention group]), group L (infusion of lidocaine [intervention group]), and group C (infusion of normal saline [control group]). Patients will be followed up at 1 h, 2 h, 4 h, 24 h, and 48 h after surgery. The primary outcome will be total sufentanil consumption within 24 h after surgery. Discussion In this clinical trial, we expect to clarify and compare the postoperative analgesic effect of dexmedetomidine vs. lidocaine infusion on pediatric patients undergoing craniotomy. We believe that the results of this trial will provide more choices for postoperative analgesia for the pediatric population. Trial registration Chinese ClinicalTrials.gov ChiCTR1800019411. Registered on 10 November 2018
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Affiliation(s)
- Yuan Zhang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Di Bao
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Dongmei Chi
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Lu Li
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Bin Liu
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Di Zhang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Lanxin Qiao
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Yi Liang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Yaxin Wang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China
| | - Xu Jin
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, People's Republic of China.
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Yang JX, Yao WY, Wang X, Sheng M, Zhang WY, Bai ZJ, Ling S. Development of a Chinese Version of the State Behavioral Scale for Mechanically Ventilated Children. J Pediatr Nurs 2021; 58:e13-e18. [PMID: 33384221 DOI: 10.1016/j.pedn.2020.11.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 10/22/2022]
Abstract
PURPOSE To develop a Chinese version of the State Behavioral Scale (SBS-C) and to evaluate its reliability and validity for sedation assessment in mechanically ventilated children in China. DESIGN AND METHODS Cross-sectional survey design was used in a two-part study of mechanically ventilated children, aged 6 weeks to 6 years. A total 172 children and 145 children were recruited from Jan-Dec 2017 and Jan-Dec 2018, respectively, at a tertiary care pediatric hospital in southeast China. Following translation of the scale, the content validity was established by the content validity index, internal consistency was established using Cronbach's α, and construct validity was confirmed by correlation with a similar well-recognized scale, the COMFORT Scale-Chinese version (CS-C). RESULTS The content validity index for the seven scale dimensions ranged from 0.83 to 1.0 and for the full scale was 0.932. In the first study, Cronbach's α for the full SBS-C was 0.986 and for the seven scale dimensions ranged from 0.973 to 0.983; similarly, in the second study, Cronbach's α for the full scale was 0.983 and for the seven dimensions ranged from 0.977 to 0.987. The correlation coefficient between scores of the SBS-C and the CS-C was 0.919 (P < .01). CONCLUSIONS The SBS-C is valid, reliable, and responsive and is suitable for assessing sedation in mechanically ventilated children in China. IMPLICATIONS FOR PRACTICE The SBS-C can be used for sedation assessment in mechanically ventilated children in China, guiding decision making and the provision of care, and optimizing patient safety.
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Affiliation(s)
- Jin-Xia Yang
- Intensive Care Unit, Department of Nursing, Children's Hospital of Soochow University, China
| | - Wen-Ying Yao
- Department of Nursing, Children's Hospital of Soochow University, Suzhou 215025, China.
| | - Xin Wang
- Department of Nursing, Children's Hospital of Soochow University, Suzhou 215025, China
| | - Min Sheng
- Department of Nursing, Children's Hospital of Soochow University, Suzhou 215025, China
| | - Wen-Yan Zhang
- Intensive Care Unit, Department of Nursing, Children's Hospital of Soochow University, China
| | - Zhen-Jiang Bai
- Intensive Care Unit, Department of Medicine, Children's Hospital of Soochow University, China
| | - Sh Ling
- Intensive Care Unit, Department of Nursing, Children's Hospital of Soochow University, China
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van Hoorn CE, Flint RB, Skowno J, Davies P, Engelhardt T, Lalwani K, Olutoye O, Ista E, de Graaff JC. Off-label use of dexmedetomidine in paediatric anaesthesiology: an international survey of 791 (paediatric) anaesthesiologists. Eur J Clin Pharmacol 2020; 77:625-635. [PMID: 33119787 PMCID: PMC7935836 DOI: 10.1007/s00228-020-03028-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 10/15/2020] [Indexed: 01/02/2023]
Abstract
Purpose The purpose of this international study was to investigate prescribing practices of dexmedetomidine by paediatric anaesthesiologists. Methods We performed an online survey on the prescription rate of dexmedetomidine, route of administration and dosage, adverse drug reactions, education on the drug and overall experience. Members of specialist paediatric anaesthesia societies of Europe (ESPA), New Zealand and Australia (SPANZA), Great Britain and Ireland (APAGBI) and the USA (SPA) were consulted. Responses were collected in July and August 2019. Results Data from 791 responders (17% of 5171 invitees) were included in the analyses. Dexmedetomidine was prescribed by 70% of the respondents (ESPA 53%; SPANZA 69%; APAGBI 34% and SPA 96%), mostly for procedural sedation (68%), premedication (46%) and/or ICU sedation (46%). Seventy-three percent had access to local or national protocols, although lack of education was the main reason cited by 26% of the respondents not to prescribe dexmedetomidine. The main difference in dexmedetomidine use concerned the age of patients (SPA primarily < 1 year, others primarily > 1 year). The dosage varied widely ranging from 0.2–5 μg kg−1 for nasal premedication, 0.2–8 μg kg−1 for nasal procedural sedation and 0–4 μg kg−1 intravenously as adjuvant for anaesthesia. Only ESPA members (61%) had noted an adverse drug reaction, namely bradycardia. Conclusion The majority of anaesthesiologists use dexmedetomidine in paediatrics for premedication, procedural sedation, ICU sedation and anaesthesia, despite the off-label use and sparse evidence. The large intercontinental differences in prescribing dexmedetomidine call for consensus and worldwide education on the optimal use in paediatric practice. Supplementry Information The online version of this article (10.1007/s00228-020-03028-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Camille E van Hoorn
- Department of Anaesthesiology, Erasmus University Medical Centre -Sophia Children's Hospital, Rotterdam, The Netherlands. .,Department of Paediatric Surgery, Erasmus University Medical Centre -Sophia Children's Hospital, PO Box: 2060, 3000 CB, Rotterdam, The Netherlands.
| | - Robert B Flint
- Division of Neonatology, Department of Paediatrics, Erasmus University Medical Centre -Sophia Children's Hospital, Rotterdam, The Netherlands.,Department of Hospital Pharmacy, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Justin Skowno
- Department of Anaesthesiology, Children's Hospital at Westmead, University of Sydney, Sydney, Australia
| | - Paul Davies
- Department of Anaesthesia and Pain Management, The Royal Children's Hospital, Melbourne, Australia
| | - Thomas Engelhardt
- Department of Anaesthesia, Royal Children's Hospital Aberdeen and School of Medicine, University of Aberdeen, Aberdeen, UK.,Department of Anaesthesia, McGill University Health Center, Montreal Children's Hospital, Montreal, QC, Canada
| | - Kirk Lalwani
- Department of Anaesthesiology and Paediatrics, Oregon Health and Science University, Portland, OR, USA
| | - Olutoyin Olutoye
- Department of Anaesthesiology, Peri-operative and Pain Medicine, Texas Children's Hospital, Houston, TX, 77030, USA
| | - Erwin Ista
- Department of Internal Medicine - Nursing Science, Erasmus University Medical Centre, Rotterdam, The Netherlands.,Department of Paediatric Surgery, Paediatric Intensive Care, Erasmus University Medical Centre - Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Jurgen C de Graaff
- Department of Anaesthesiology, Erasmus University Medical Centre -Sophia Children's Hospital, Rotterdam, The Netherlands
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