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Ehelepola NDB, Ranathunga RMDC, Abeysundara AB, Jayawardana HMRP, Nanayakkara PSK. Super-refractory status epilepticus, rhabdomyolysis, central hyperthermia and cardiomyopathy attributable to spinal anesthesia: a case report and review of literature. BMC Anesthesiol 2024; 24:132. [PMID: 38582882 PMCID: PMC10998312 DOI: 10.1186/s12871-024-02485-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/07/2024] [Indexed: 04/08/2024] Open
Abstract
BACKGROUND There are only six past reports of super-refractory status epilepticus induced by spinal anesthesia. None of those patients have died. Only < 15 mg of bupivacaine was administered to all six of them and to our case. Pathophysiology ensuing such cases remains unclear. CASE PRESENTATION A 27 year old gravida 2, para 1, mother at 37 weeks of gestation came to the operating theater for an elective cesarean section. She had no significant medical history other than controlled hypothyroidism and one episode of food allergy. Her current pregnancy was uneventful. Her American Society of Anesthesiologists (ASA) grade was 2. She underwent spinal anesthesia and adequate anesthesia was achieved. After 5-7 min she developed a progressive myoclonus. After delivery of a healthy baby, she developed generalized tonic clonic seizures that continued despite the induction of general anesthesia. She had rhabdomyolysis, one brief cardiac arrest and resuscitation, followed by stress cardiomyopathy and central hyperthermia. She died on day four. There were no significant macroscopic or histopathological changes in her brain that explain her super refractory status epilepticus. Heavy bupivacaine samples of the same batch used for this patient were analyzed by two specialized laboratories. National Medicines Quality Assurance Laboratory of Sri Lanka reported that samples failed to confirm United States Pharmacopeia (USP) dextrose specifications and passed other tests. Subsequently, Therapeutic Goods Administration of Australia reported that the drug passed all standard USP quality tests applied to it. Nonetheless, they have detected an unidentified impurity in the medicine. CONCLUSIONS After reviewing relevant literature, we believe that direct neurotoxicity by bupivacaine is the most probable cause of super-refractory status epilepticus. Super-refractory status epilepticus would have led to her other complications and death. We discuss probable patient factors that would have made her susceptible to neurotoxicity. The impurity in the drug detected by one laboratory also would have contributed to her status epilepticus. We propose several possible mechanisms that would have led to status epilepticus and her death. We discuss the factors that shall guide investigators on future such cases. We suggest ways to minimize similar future incidents. This is an idiosyncratic reaction as well.
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Affiliation(s)
- N D B Ehelepola
- Teaching (General) Hospital - Peradeniya, Peradeniya, Sri Lanka.
| | | | - A B Abeysundara
- Teaching (General) Hospital - Peradeniya, Peradeniya, Sri Lanka
- Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
| | | | - P S K Nanayakkara
- Teaching (General) Hospital - Peradeniya, Peradeniya, Sri Lanka
- Faculty of Medicine, University of Peradeniya, Peradeniya, Sri Lanka
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Miranda O, Fan P, Qi X, Yu Z, Ying J, Wang H, Brent DA, Silverstein JC, Chen Y, Wang L. DeepBiomarker: Identifying Important Lab Tests from Electronic Medical Records for the Prediction of Suicide-Related Events among PTSD Patients. J Pers Med 2022; 12:524. [PMID: 35455640 PMCID: PMC9025406 DOI: 10.3390/jpm12040524] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 11/25/2022] Open
Abstract
Identifying patients with high risk of suicide is critical for suicide prevention. We examined lab tests together with medication use and diagnosis from electronic medical records (EMR) data for prediction of suicide-related events (SREs; suicidal ideations, attempts and deaths) in post-traumatic stress disorder (PTSD) patients, a population with a high risk of suicide. We developed DeepBiomarker, a deep-learning model through augmenting the data, including lab tests, and integrating contribution analysis for key factor identification. We applied DeepBiomarker to analyze EMR data of 38,807 PTSD patients from the University of Pittsburgh Medical Center. Our model predicted whether a patient would have an SRE within the following 3 months with an area under curve score of 0.930. Through contribution analysis, we identified important lab tests for suicide prediction. These identified factors imply that the regulation of the immune system, respiratory system, cardiovascular system, and gut microbiome were involved in shaping the pathophysiological pathways promoting depression and suicidal risks in PTSD patients. Our results showed that abnormal lab tests combined with medication use and diagnosis could facilitate predicting SRE risk. Moreover, this may imply beneficial effects for suicide prevention by treating comorbidities associated with these biomarkers.
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Affiliation(s)
- Oshin Miranda
- Department of Pharmaceutical Sciences, Computational Chemical Genomics Screening Center, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15206, USA; (O.M.); (P.F.); (X.Q.)
| | - Peihao Fan
- Department of Pharmaceutical Sciences, Computational Chemical Genomics Screening Center, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15206, USA; (O.M.); (P.F.); (X.Q.)
| | - Xiguang Qi
- Department of Pharmaceutical Sciences, Computational Chemical Genomics Screening Center, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15206, USA; (O.M.); (P.F.); (X.Q.)
| | - Zeshui Yu
- Department of Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15206, USA;
| | - Jian Ying
- Department of Internal Medicine, University of Utah, Salt Lake City, UT 84132, USA;
| | - Haohan Wang
- Language Technologies Institute, School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213, USA;
| | - David A. Brent
- Department of Psychiatry, Western Psychiatric Institute and Clinic, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA;
| | - Jonathan C. Silverstein
- Department of Biomedical Informatics, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Yu Chen
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN 46225, USA
| | - Lirong Wang
- Department of Pharmaceutical Sciences, Computational Chemical Genomics Screening Center, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15206, USA; (O.M.); (P.F.); (X.Q.)
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Xiao M, Zhang L, Zhong Y, Xiao G. Sudden rhabdomyolysis in an elderly patient after single atorvastatin dose: The need for early and frequent creatine kinase monitoring in high-risk patients. SAGE Open Med Case Rep 2020; 8:2050313X20919623. [PMID: 32728439 PMCID: PMC7364834 DOI: 10.1177/2050313x20919623] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 03/25/2020] [Indexed: 02/05/2023] Open
Abstract
An 80-year-old patient with diabetes mellitus, chronic bronchitis, and chronic heart failure presented with pain in the right calf after one dose of atorvastatin. Significant increases in creatine kinase, myoglobin, and potassium levels were also observed. Based on the symptoms and laboratory results, the patient was diagnosed with rhabdomyolysis. Older patients with co-morbidities may have a higher risk of statin-associated myopathy. However, there is currently no recommendation for creatine kinase monitoring in this population. This case emphasizes the need to identify high-risk populations and provide early and more frequent creatine kinase measurements to help avoid statin-associated myopathy.
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Affiliation(s)
- Min Xiao
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
| | - Lu Zhang
- West China-Washington Mitochondria and Metabolism Center, West China Hospital, Sichuan University, Chengdu, China
| | - Yan Zhong
- Department of Pharmacy, Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, Chengdu, China
| | - Guirong Xiao
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, China
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