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Xu DA, DeYoung TP, Kondoleon NP, Eckenhoff RG, Eckenhoff MF. Anesthetic Effects on the Progression of Parkinson Disease in the Rat DJ-1 Model. Anesth Analg 2021; 133:1140-1151. [PMID: 34673725 DOI: 10.1213/ane.0000000000005665] [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: 11/05/2022]
Abstract
BACKGROUND Parkinson disease is a chronic and progressive movement disorder characterized by the loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc). The causes of Parkinson disease are not clear but may involve genetic susceptibilities and environmental factors. As in other neurodegenerative disorders, individuals predisposed to Parkinson disease may have an accelerated onset of symptoms following perioperative stress such as anesthesia, surgery, pain, and inflammation. We hypothesized that anesthesia alone accelerates the onset of Parkinson disease-like pathology and symptoms. METHODS A presymptomatic Parkinson rat model (the protein, DJ-1, encoded by the Park7 gene [DJ-1], PARK7 knockout) was exposed to a surgical plane of isoflurane or 20% oxygen balanced with nitrogen for 2 hours on 3 occasions between 6 and 7 months of age. Acute and long-term motor and neuropathological effects were examined from 7 to 12 months of age in male DJ-1 rats, using the ladder rung, rotarod, and novel object recognition assays, as well as the immunohistochemical localization of tyrosine hydroxylase in dopaminergic neurons in the substantia nigra and ionized calcium-binding adaptor protein-1 (Iba-1) microglial activation in the substantia nigra and hippocampus. RESULTS In the acute group, after the third anesthetic exposure at 7 months of age, the isoflurane group had a significant reduction in the density of dopaminergic neurons in the SNpc compared to controls. However, this reduction was not associated with increased microglial activation in the hippocampus or substantia nigra. With the ladder rung motor skills test, there was no effect of anesthetic exposure on the total number of foot faults or the ladder rung pattern in the acute group. The rotarod test also detected no differences before and after the third exposure in controls. For the long-term group, immunohistochemical analyses detected no differences in the density of dopaminergic neurons or microglial cells compared to unexposed DJ-1 rats from 8 to 12 months of age. The ladder rung test in the long-term group showed no differences in the total number of foot faults with time and exposure or between ladder rung patterns. The rotarod test detected no significant effect of exposure with time or between groups at any time point. The novel object recognition task in the long-term group revealed no differences in short- or long-term memory or in the number of rearings as a function of exposure. CONCLUSIONS Multiple isoflurane exposures in this rat model of Parkinson disease transiently enhanced dopaminergic neurodegeneration in the SNpc that resolved over time and had no effects on progression in this Parkinson disease-like phenotype.
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Affiliation(s)
- Daniel A Xu
- From the Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
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Crosby G, Vutskits L. General Anesthesia and Progression of Parkinson Disease: A Shaky Association. Anesth Analg 2021; 133:1138-1139. [PMID: 34673724 DOI: 10.1213/ane.0000000000005735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Gregory Crosby
- From the Department of Anaesthesia, Harvard Medical School, Brigham & Women's Hospital, Boston, Massachusetts
| | - Laszlo Vutskits
- Department of Anesthesiology, Pharmacology, Intensive Care and Emergency Medicine, University Hospitals of Geneva, Geneva, Switzerland.,Geneva Neuroscience Center, University of Geneva, Geneva, Switzerland
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Laporta ML, Kruthiventi SC, Stang CD, Camerucci E, Martin DP, Weingarten TN, Hanson AC, Schroeder DR, Warner DO, Savica R, Sprung J. Exposure to anesthesia is not associated with development of α-synucleinopathies: A nested case-control study. Parkinsonism Relat Disord 2021; 88:76-81. [PMID: 34147949 PMCID: PMC8266757 DOI: 10.1016/j.parkreldis.2021.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/27/2021] [Accepted: 06/03/2021] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Preclinical studies suggest that inhalational anesthetics may induce neuropathology changes in the nigrostriatal system, leading to development of α-synucleinopathies. We explored the role of general anesthesia in the development of Parkinson disease (PD) and other α-synucleinopathies. METHODS All α-synucleinopathy cases in Olmsted County, Minnesota, from January 1991, to December 2010, were identified from diagnostic codes, and then reviewed for type and index date of diagnosis. Cases were matched by sex and age (±1 year) to a referent control, a resident living in Olmsted County, and free of α-synucleinopathies before the index date (year of onset of the α-synucleinopathy). Medical records of both cases and controls were reviewed for lifetime exposure to anesthesia prior to the index date. RESULTS A total of 431 cases with clinically defined α-synucleinopathies were identified. Of these, 321 (74%) underwent 1,069 procedures under anesthesia before the diagnosis date, and in the control group, 341 (79%) underwent 986 procedures. When assessed as a dichotomous variable, anesthetic exposure was not significantly associated with α-synucleinopathies (odds ratio [OR], 0.75; 95% CI, 0.54-1.05; P=.094). No association was observed when anesthetic exposure was quantified by the number of exposures (OR, 0.64, 0.89, and 0.74, for 1, 2-3, and ≥4 exposures, respectively, compared to no exposure as the reference; P=.137) or quantified by the cumulative duration of exposure assessed as a continuous variable (OR, 1.00; 95% CI, 0.97-1.02 per 1-h increase of anesthetic exposure; P=.776). CONCLUSIONS We did not observe a significant association between exposure to general anesthesia and risk for the development of α-synucleinopathies.
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Affiliation(s)
- Mariana L Laporta
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | | | - Cole D Stang
- Department of Neurology, Mayo Clinic, Rochester, MN, 55905, USA
| | | | - David P Martin
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | - Toby N Weingarten
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | - Andrew C Hanson
- Department of Health Sciences Research, Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, 55905, USA
| | - Darrell R Schroeder
- Department of Health Sciences Research, Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, MN, 55905, USA
| | - David O Warner
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55905, USA
| | - Rodolfo Savica
- Department of Neurology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Juraj Sprung
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55905, USA.
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Roberts DP, Lewis SJG. Considerations for general anaesthesia in Parkinson's disease. J Clin Neurosci 2017; 48:34-41. [PMID: 29133106 DOI: 10.1016/j.jocn.2017.10.062] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 10/23/2017] [Indexed: 12/19/2022]
Abstract
Parkinson's disease is a common neurodegenerative disorder in the elderly which when present has a significant influence on surgical management. These patients necessitate additional perioperative and anaesthetic considerations across disease specific domains as well as in relation to the respiratory and cardiovascular systems. This brief review focuses on the factors which contribute to perioperative morbidity, including the use of medications that may exacerbate symptoms or adversely interact with treatments for Parkinson's disease. Recommended dosing practices to reduce complications during hospitalisation are covered. In addition, recent concerns regarding anaesthetic exposure in early childhood as a risk factor for the development of Parkinson's disease are discussed in light of data from animal models of anaesthetic neurotoxicity and epidemiological studies.
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Affiliation(s)
| | - Simon J G Lewis
- Parkinson's Disease Research Clinic, Brain and Mind Centre, University of Sydney, NSW, Australia.
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Liebert AD, Chow RT, Bicknell BT, Varigos E. Neuroprotective Effects Against POCD by Photobiomodulation: Evidence from Assembly/Disassembly of the Cytoskeleton. J Exp Neurosci 2016; 10:1-19. [PMID: 26848276 PMCID: PMC4737522 DOI: 10.4137/jen.s33444] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 12/09/2015] [Accepted: 12/15/2015] [Indexed: 02/07/2023] Open
Abstract
Postoperative cognitive dysfunction (POCD) is a decline in memory following anaesthesia and surgery in elderly patients. While often reversible, it consumes medical resources, compromises patient well-being, and possibly accelerates progression into Alzheimer's disease. Anesthetics have been implicated in POCD, as has neuroinflammation, as indicated by cytokine inflammatory markers. Photobiomodulation (PBM) is an effective treatment for a number of conditions, including inflammation. PBM also has a direct effect on microtubule disassembly in neurons with the formation of small, reversible varicosities, which cause neural blockade and alleviation of pain symptoms. This mimics endogenously formed varicosities that are neuroprotective against damage, toxins, and the formation of larger, destructive varicosities and focal swellings. It is proposed that PBM may be effective as a preconditioning treatment against POCD; similar to the PBM treatment, protective and abscopal effects that have been demonstrated in experimental models of macular degeneration, neurological, and cardiac conditions.
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Affiliation(s)
| | - Roberta T. Chow
- Brain and Mind Institute, University of Sydney, Sydney, NSW, Australia
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Lobo FA, P Saraiva A. Playing games with the brain: the possible link between anesthesia and Alzheimer's disease revisited. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2014; 61:417-421. [PMID: 25171825 DOI: 10.1016/j.redar.2014.07.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 07/17/2014] [Indexed: 06/03/2023]
Affiliation(s)
- F A Lobo
- Anesthesiology Department, Hospital Geral de Santo António, Porto, Portugal.
| | - A P Saraiva
- Anesthesiology Department, Hospital Geral de Santo António - Centro Hospitalar do Porto, Porto, Portugal
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Mastrangelo G, Comiati V, dell’Aquila M, Zamprogno E. Exposure to anesthetic gases and Parkinson's disease: a case report. BMC Neurol 2013; 13:194. [PMID: 24321326 PMCID: PMC3878925 DOI: 10.1186/1471-2377-13-194] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Accepted: 11/27/2013] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND The administration of anesthetics determines depression of the central nervous system and general anesthesia by inhalation may cause an environmental pollution of the operating rooms. It may therefore conceive a possible occupational etiology of Parkinson's Disease (PD). CASE PRESENTATION In a Caucasian male aged 59 years, PD was diagnosed by brain scans with a presynaptic radioactive tracer of the dopaminergic system. Family history was negative for Parkinson's disease or essential tremor. He was a smoker, a moderate consumer of coffee and alcohol, and never exposed to pesticides/metals. For 30 years (since the age of 29 until today), he worked as an anesthesiologist in private clinics in the Veneto (Northern Italy), exposed to anesthetic gases. The time elapsed from first exposure to onset of disease is 22 years, fulfilling the requirement of the induction/latency period. A literature search demonstrated unacceptable levels of anesthetic gases in public hospitals of the Veneto region from 1990 to 1999. This exposure was presumably high also in private hospitals of the region until at least 2007, when an overexposure to sevoflurane was repeatedly measured in this patient. The association between occupational exposure to anesthetic gases and risk of Parkinson's disease was supported by a case-control study (reporting a two-fold increase in the risk of PD associated with a clinical history of general anesthesia) and a cohort study comparing mortality from PD between US anesthesiologists and internists (showing a statistically significant excess (p=0.01) in anesthesiologists compared to internists). Numerous recent mechanistic studies (in vitro essays and in vivo short-term studies) strengthened the association between exposure to anesthetic gases (nitrous oxide, halothane, isoflurane, levoflurane) and PD. CONCLUSION In view of the limited evidence of human studies and the sufficient evidence of experimental studies, the high exposure to anesthetic gases could have induced PD in the subject under study.
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Affiliation(s)
| | - Vera Comiati
- Department of Molecular Medicine, Padua University, Padua, Italy
| | - Massimiliano dell’Aquila
- Department of Anatomical, Histological, Medico-Legal and Locomotor Sciences, La Sapienza University, Rome, Italy
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Cottrell JE, Hartung J. Developmental Disability in the Young and Postoperative Cognitive Dysfunction in the Elderly After Anesthesia and Surgery: Do Data Justify Changing Clinical Practice? ACTA ACUST UNITED AC 2012; 79:75-94. [DOI: 10.1002/msj.21283] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Abstract
The perioperative period may have long-term consequences on cognitive function in the elderly patient. In this special article, we summarize the rationale and evidence that the anesthetic per se is a contributor. The evidence at this point is considered suggestive and further research is needed, especially in humans.
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Affiliation(s)
- Junxia Tang
- Department of Anesthesiology and Critical Care, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, USA
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Abstract
While anesthetics are indispensable clinical tools generally safe and effective, in some situations there is grown concern about selective neurotoxicity of these agents; the clinical significance is unclear as of yet. The mechanisms for inhalational anesthetics mediated cell damage are still not clear, although a role for calcium dysregulation has been suggested. For example, the inhaled anesthetic isoflurane decreases endoplasmic reticulum (ER) calcium concentration and increases that in the cytosol and mitochondria. Inhibition of ER calcium release, via either IP(3) or ryanodine receptors, significantly inhibited isoflurane neurotoxicity. Neurons made vulnerable to calcium dysregulation by overexpression of mutated presenilin-1 (PS1) or huntingtin (Q-111) proteins showed enhanced apoptosis upon isoflurane exposure. Sevoflurane and desflurane were less potent than isoflurane in altering intracellular calcium, and produced less apoptosis. Short exposures to inhalational anesthetics may provide neuroprotection by preconditioning via a sublethal stress, while prolonged exposures to inhalational anesthetics may induce cell damage by apoptosis through direct cytotoxic effects.
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Affiliation(s)
- Huafeng Wei
- Department of Anesthesiology and Critical Care, University of Pennsylvania, Philadelphia, PA 19104, USA.
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