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Real-world outcomes with pembrolizumab in patients with treatment-naive advanced/metastatic NSCLC in the UK: multicentre retrospective observational study. Lung Cancer 2019. [DOI: 10.1016/s0169-5002(19)30124-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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2
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The use of second or third line nivolumab in advanced non-small cell lung cancer: a west of Scotland experience. Lung Cancer 2018. [DOI: 10.1016/s0169-5002(18)30101-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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3
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69: Outcomes with nintedanib and docetaxel in patients with relapsed NSCLC adenocarcinoma treated within the UK Nintedanib Individual Patient Supply programme. Lung Cancer 2017. [DOI: 10.1016/s0169-5002(17)30119-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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4
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Stressed neurons protect themselves by a tissue-type plasminogen activator-mediated EGFR-dependent mechanism. Cell Death Differ 2015; 23:123-31. [PMID: 26068590 DOI: 10.1038/cdd.2015.76] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Revised: 04/30/2015] [Accepted: 05/04/2015] [Indexed: 11/09/2022] Open
Abstract
In the central nervous system, tissue-type plasminogen activator (tPA) has been associated with both pro-death and prosurvival actions on neurons. In most cases, this has been related to exogenous tPA. In the present study, we addressed the influence of endogenous tPA. We first observed an increased transcription of tPA following either in vivo global brain ischemia in rats or in vitro oxygen glucose deprivation (OGD) on mice and rats hippocampal slices. Hippocampal slices from tPA-deficient mice were more sensitive to OGD than wild-type slices. Pharmacological approaches targeting the known receptors of tPA revealed that only the inhibition of phosphorylation of epidermal growth factor receptors (EGFRs) prevented the neuroprotective effect of endogenous tPA. This study shows that ischemic hippocampal neurons overproduce endogenous tPA as an intend to protect themselves from ischemic death, by a mechanism involving an activation of EGFRs. Thus, strategies contributing to promote either endogenous production of tPA or its associated EGFR-linked signaling pathway may have beneficial effects following brain injuries such as stroke.
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5
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Immunotherapy for Stroke: A New Hope of Treatment (P07.004). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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6
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Immunothérapie et Accident Vasculaire Cérébraux : Un nouvel espoir de traitement. Rev Neurol (Paris) 2012. [DOI: 10.1016/s0035-3787(12)70022-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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7
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Case Reports [3-24]: 3. An Unusal Case of Focal Myositis. Rheumatology (Oxford) 2010. [DOI: 10.1093/rheumatology/keq713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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8
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ID: 96 Molecular requirements for modulation of NMDA receptor signaling by tissue-type plasminogen activator. J Thromb Haemost 2006. [DOI: 10.1111/j.1538-7836.2006.00096.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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9
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Characterization of early developments in the splenic leukocyte transcriptome of NOD mice. Ann N Y Acad Sci 2004; 1005:157-60. [PMID: 14679050 DOI: 10.1196/annals.1288.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Transcriptome analysis is a powerful tool to characterize changes in leukocyte gene expression patterns and reveal very early molecular abnormalities in tissue. Herein, we report on characterization of the very earliest abnormalities in the transcriptome of leukocytes from young "prepathologic" NOD and NON female mice.
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Increased expression of transforming growth factor-beta after cerebral ischemia in the baboon: an endogenous marker of neuronal stress? J Cereb Blood Flow Metab 2001; 21:820-7. [PMID: 11435794 DOI: 10.1097/00004647-200107000-00007] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
There has been an increasing interest in recent years in the evaluation of the neuronal and glial responses to ischemic insult. Some cytokines, including transforming growth factor-beta (TGF-beta), that are overexpressed after experimental stroke in rodents are thought to be implicated in the neuronal processes that lead to necrosis. Thus, such cytokines could predict tissue fate after stroke in humans, although data are currently sparse for gyrencephalic species. The current study addressed the expression pattern of TGF-beta1 in a nonhuman primate model of middle cerebral artery occlusion. Focal permanent ischemia was induced for 1 or 7 days in 6 baboons and the following investigations were undertaken: cerebral oxygen metabolism (CMRO2) positron emission tomography studies, magnetic resonance imaging, postmortem histology, and reverse transcription-polymerase chain reaction. The aim of the current study was to correlate the expression of TGF-beta1 to the underlying metabolic and histologic state of the threatened cerebral parenchyma. The authors evidenced increased TGF-beta1 mRNA levels (up to 25-fold) in those regions displaying a moderate (20% to 49%) reduction in CMRO2. The current findings suggest that the greatly enhanced expression of TGF-beta1 in the penumbral zones that surround tissue destined to infarction may represent a robust index of potentially salvageable brain. The current investigation, in the nonhuman primate, strengthens the authors' hypothesis, derived from rodent models, that TGF-beta1 may be involved in the physiopathology of human stroke.
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Neuroprotection mediated by glial cell line-derived neurotrophic factor: involvement of a reduction of NMDA-induced calcium influx by the mitogen-activated protein kinase pathway. J Neurosci 2001; 21:3024-33. [PMID: 11312287 PMCID: PMC6762559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
The glial cell line-derived neurotrophic factor (GDNF) is first characterized for its trophic activity on dopaminergic neurons. Recent data suggested that GDNF could modulate the neuronal death induced by ischemia. The purpose of this study was to characterize the influence of GDNF on cultured cortical neurons subjected to two paradigms of injury (necrosis and apoptosis) that have been identified during cerebral ischemia and to determine the molecular mechanisms involved. First, we demonstrated that both neurons and astrocytes express the mRNA and the protein for GDNF and its receptor complex (GFRalpha-1 and c-Ret). Next, we showed that the application of recombinant human GDNF to cortical neurons and astrocytes induces the activation of the MAP kinase (MAPK) pathway, as visualized by an increase in the phosphorylated forms of extracellular signal-regulated kinases (ERKs). Thereafter, we demonstrated that GDNF fails to prevent apoptotic neuronal death but selectively attenuates slowly triggered NMDA-induced excitotoxic neuronal death via a direct effect on cortical neurons. To further characterize the neuroprotective mechanisms of GDNF against NMDA-mediated neuronal death, we showed that a pretreatment with GDNF reduces NMDA-induced calcium influx. This effect likely results from a reduction of NMDA receptor activity rather than an enhanced buffering or extrusion capacity for calcium. Finally, we also demonstrated that an ERKs activation pathway is necessary for GDNF-mediated reduction of the NMDA-induced calcium response. Together, these results describe a novel mechanism by which the activation of MAPK induced by GDNF modulates NMDA receptor activity, a mechanism that could be responsible for the neuroprotective effect of GDNF in acute brain injury.
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Abstract
The anaphylatoxin C3a is a potent inflammatory polypeptide released at sites of complement activation. To test whether C3a might alter neuronal outcome following an ischemic insult, we determined the effects of purified human C3a on murine primary cortical cell cultures exposed to apoptotic or excitotoxic paradigms. C3a prevented neither serum deprivation-induced apoptotic neuronal death, nor AMPA/kainate-mediated excitotoxicity. However, in mixed cultures of neurons and astrocytes, C3a dose-dependently protected neurons against NMDA toxicity (47% neuroprotection using 100 nM C3a, p < 0.01, n = 12). The neuroprotective effect of C3a was observable only in the presence of astrocytes. These observations suggest that C3a is involved in excitotoxicity-mediated neuronal death through astrocyte stimulation and extend its role beyond immune functions.
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The proteolytic activity of tissue-plasminogen activator enhances NMDA receptor-mediated signaling. Nat Med 2001; 7:59-64. [PMID: 11135617 DOI: 10.1038/83358] [Citation(s) in RCA: 558] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Tissue-plasminogen activator (t-PA) is now available for the treatment of thrombo-embolic stroke but adverse effects have been reported in some patients, particularly hemorrhaging. In contrast, the results of animal studies have indicated that t-PA could increase neuronal damage after focal cerebral ischemia. Here we report for the first time that t-PA potentiates signaling mediated by glutamatergic receptors by modifying the properties of the N-methyl-D-aspartate (NMDA) receptor. When depolarized, cortical neurons release bio-active t-PA that interacts with and cleaves the NR1 subunit of the NMDA receptor. Moreover, the treatment with recombinant t-PA leads to a 37% increase in NMDA-stimulated fura-2 fluorescence, which may reflect an increased NMDA-receptor function. These results were confirmed in vivo by the intrastriatal injection of recombinant-PA, which potentiated the excitotoxic lesions induced by NMDA. These data provide insight into the regulation of NMDA-receptor-mediated signaling and could initiate therapeutic strategies to improve the efficacy of t-PA treatment in man.
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Ischemia-induced interleukin-6 as a potential endogenous neuroprotective cytokine against NMDA receptor-mediated excitotoxicity in the brain. J Cereb Blood Flow Metab 2000; 20:956-66. [PMID: 10894179 DOI: 10.1097/00004647-200006000-00008] [Citation(s) in RCA: 147] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In the brain, the expression of the pleiotropic cytokine interleukin-6 (IL-6) is enhanced in various chronic or acute central nervous system disorders. However, the significance of IL-6 production in such neuropathologic states remains controversial. The present study investigated the role of IL-6 after cerebral ischemia. First, the authors showed that focal cerebral ischemia in rats early up-regulated the expression of IL-6 mRNA, without affecting the transcription of its receptors (IL-6Ralpha and gp130). Similarly, the striatal injection of N-methyl-D-aspartate (NMDA) in rats, a paradigm of excitotoxic injury, activated the expression of IL-6 mRNA. The involvement of glutamatergic receptor activation was further investigated by incubating cortical neurons with NMDA or alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionate (AMPA). NMDA and ionomycin (a calcium ionophore) up-regulated IL-6 mRNA, suggesting that neurons may produce IL-6 in response to the calcium influx mediated through NMDA receptors. The potential role of IL-6 during ischemic/excitotoxic insults was then studied by testing the effect of IL-6 against apoptotic or excitotoxic challenges in cortical cultures. IL-6 did not prevent serum deprivation- or staurosporine-induced apoptotic neuronal death, or AMPA/kainate-mediated excitotoxicity. However, in both mixed and pure neuronal cultures, IL-6 dose-dependently protected neurons against NMDA toxicity. This effect was blocked by a competitive inhibitor of IL-6. Overall, the results suggest that the up-regulation of IL-6 induced by cerebral ischemia could represent an endogenous neuroprotective mechanism against NMDA receptor-mediated injury.
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MESH Headings
- Animals
- Apoptosis/drug effects
- Apoptosis/immunology
- Astrocytes/cytology
- Brain Chemistry/drug effects
- Brain Chemistry/immunology
- Cells, Cultured
- Cerebral Cortex/blood supply
- Cerebral Cortex/cytology
- Cerebral Cortex/immunology
- Excitatory Amino Acid Agonists/pharmacology
- Gene Expression/drug effects
- Gene Expression/immunology
- Infarction, Middle Cerebral Artery/immunology
- Interleukin-6/genetics
- Interleukin-6/immunology
- Ionomycin/pharmacology
- Ionophores/pharmacology
- Ischemic Attack, Transient/immunology
- Male
- N-Methylaspartate/pharmacology
- Neurons/chemistry
- Neurons/cytology
- Neurons/immunology
- Neuroprotective Agents/immunology
- Neurotoxins/pharmacology
- Polymerase Chain Reaction
- RNA, Messenger/analysis
- Rats
- Rats, Sprague-Dawley
- Receptors, AMPA/physiology
- Receptors, Interleukin-6/genetics
- Receptors, Interleukin-6/immunology
- Receptors, Kainic Acid/physiology
- Receptors, N-Methyl-D-Aspartate/physiology
- Transcription, Genetic/immunology
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[Ambulatory anesthesia: which optimal organization for optimal safety?]. LA TUNISIE MEDICALE 2000; 78:235-40. [PMID: 11026833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
The ambulatory anesthesia is now well developed because of the improvement of the intraoperative and the postoperative anesthetic management. The environmental conditions are as well important as surgery and anesthesia management. The ambulatory surgery may be practiced in different type of structures. The conception of an ambulatory center must reflect the medical need and must take care of the economical and social conditions. The aim of this review article is to determine the benefit and the disadvantage of the types of ambulatory surgery organization.
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A transforming growth factor-beta antagonist unmasks the neuroprotective role of this endogenous cytokine in excitotoxic and ischemic brain injury. J Cereb Blood Flow Metab 1999; 19:1345-53. [PMID: 10598939 DOI: 10.1097/00004647-199912000-00008] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Various studies describe increased concentrations of transforming growth factor-beta (TGF-beta) in brain tissue after acute brain injury. However, the role of endogenously produced TGF-beta after brain damage to the CNS remains to be clearly established. Here, the authors examine the influence of TGF-beta produced after an episode of cerebral ischemia by injecting a soluble TGF-beta type II receptor fused with the Fc region of a human immunoglobulin (TbetaRIIs-Fc). First, this molecular construct was characterized as a selective antagonist of TGF-beta. Then, the authors tested its ability to reverse the effect of TGF-beta1 on excitotoxic cell death in murine cortical cell cultures. The addition of 1 microg/mL of TbetaRIIs-Fc to the exposure medium antagonized the neuroprotective activity of TGF-beta1 in N-methyl-D-aspartate (NMDA)-induced excitotoxic cell death. These results are consistent with the hypothesis that TGF-beta1 exerts a negative modulatory action on NMDA receptor-mediated excitotoxicity. To determine the role of TGF-beta1 produced in response to brain damage, the authors used a model of an excitotoxic lesion induced by the intrastriatal injection of 75 nmol of NMDA in the presence of 1.5 microg of TbetaRIIs-Fc. The intrastriatal injection of NMDA was demonstrated to induce an early upregulation of the expression of TGF-beta1 mRNA. Furthermore, when added to the excitotoxin, TbetaRIIs-Fc increased (by 2.2-fold, P < 0.05) the lesion size. These observations were strengthened by the fact that an intracortical injection of TbetaRIIs-Fc in rats subjected to a 30-minute reversible cerebral focal ischemia aggravated the volume of infarction. In the group injected with the TGF-beta1 antagonist, a 3.5-fold increase was measured in the infarction size (43.3 +/- 9.5 versus 152.8 +/- 46.3 mm3; P < 0.05). In conclusion, by antagonizing the influence of TGF-beta in brain tissue subjected to excitotoxic or ischemic lesion, the authors markedly exacerbated the resulting extent of necrosis. These results suggest that, in response to such insults, brain tissue responds by the synthesis of a neuroprotective cytokine, TGF-beta1, which is involved in the limitation of the extent of the injury. The pharmacologic potentiation of this endogenous defensive mechanism might represent an alternative and novel strategy for the therapy of hypoxic-ischemic cerebral injury.
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[Noninvasive ventilation in acute respiratory failure]. LA TUNISIE MEDICALE 1999; 77:400-6. [PMID: 10611816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
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18
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Antibiotic susceptibility of Neisseria gonorrhoeae in Trinidad and Tobago. W INDIAN MED J 1997; 46:107-10. [PMID: 9494404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Treatment failures with standard doses of penicillin have been observed in the Sexually Transmitted Diseases (STD) clinics in Trinidad and Tobago. In the absence of an ongoing surveillance system, the antimicrobial susceptibility of 518 Neisseria gonorrhoeae strains was determined in order to guide treatment. 39 (7.6%) strains were resistant to penicillin, including 27 (5.2%) positive for beta-lactamase; that is penicillinase-producing Neisseria gonorrhoeae (PPNG). 51 (10%) strains were resistant to tetracycline, with 26 (5.0%) of these exhibiting high levels of resistance compatible with tetracycline resistant Neisseria gonorrhoeae (TRNG). Six strains showed evidence of having both PPNG and TRNG plasmids, and five strains showed chromosomally-mediated resistance to both penicillin and tetracycline. The overall resistance rate to penicillin and tetracycline was 17.7%. There was no resistance to spectinomycin, cefuroxime, ceftriaxone and norfloxacin. The resistance rates demonstrated in this study are sufficiently significant to preclude the use of penicillin and tetracycline in the STD clinics and to justify the use of newer antimicrobials. It is essential that resistance patterns be monitored by continued surveillance.
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Characteristics of Staphylococcus aureus strains isolated from clinical and non-clinical human sources in Trinidad: susceptibility to bacteriophages and antimicrobial agents, and toxigenicity. ZENTRALBLATT FUR BAKTERIOLOGIE : INTERNATIONAL JOURNAL OF MEDICAL MICROBIOLOGY 1995; 282:519-32. [PMID: 9810676 DOI: 10.1016/s0934-8840(11)80724-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The susceptibility of Staphylococcus aureus strains isolated from human clinical and non-clinical sources in Trinidad to bacteriophages and antimicrobial agents was determined. The ability of the strains to produce enterotoxins and toxic shock syndrome toxin-1 (TSST-1) was also investigated. Of the 554 strains tested, 454 (81.8%) were susceptible to international phage set (IPS) phages with strains isolated from bacteruria (57.1%) and bacteremia (53.3%) having a low sensitivity compared to isolates from aspirates (87.3%) and anterior nares (97.4%). All sources combined, strains were most susceptible to phages belonging to several groups (mixed). Overall, 419 (75.6%) strains were resistant to one or more of nine antimicrobial agents tested. Resistance to penicillin was most prevalent, with 413 (74.5%) strains found to be resistant. Prevalence of resistance to tetracycline, gentamicin, oxacillin, cefuroxime and ciprofloxacin was 5.1%, 2.0%, 0.7%, 0.4% and 0.4%, respectively. Of the 554 strains tested, 307 (55.4%) produced staphylococcal enterotoxins A (SEA), B (SEB), C (SEC) and D (SED) singly or in combination. Strains recovered from high vaginal swabs were least enterotoxigenic (40.0%) as compared to umbilical infection isolates which were most enterotoxigenic (78.9%). TSST-1 was produced by 95 (19.0%) out of 499 strains tested, with isolates from bacteruria found to be most toxigenic (33.3%). It was concluded that the S. aureus strains tested were highly susceptible to bacteriophages and antimicrobial agents (except penicillin) and that enterotoxigenic and TSST-1 producers were widespread and have an aetiologic potential.
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Clinical features and management of self-poisoning with newer antidepressants. MEDICAL TOXICOLOGY 1986; 1:411-20. [PMID: 3540518 DOI: 10.1007/bf03259852] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Over the last decade a number of antidepressants have been introduced which differ either chemically, pharmacologically or toxicologically from established tricyclic and monoamine oxidase drugs. Of those presently available, maprotiline is similar in toxicity to tricyclic antidepressants perhaps causing convulsions more frequently. Lofepramine is metabolised to desmethylimipramine, but the limited clinical experience so far suggests that toxicity is less severe than with other tricyclic antidepressants. Amoxapine causes coma, convulsions and less frequently renal failure, but electrocardiographic abnormalities are uncommon. Mianserin and trazodone both cause drowsiness and more infrequently deeper grades of coma. Alprazolam produces the typical benzodiazepine overdose symptoms of drowsiness and floppiness. There is as yet insufficient clinical data to comment on the specific toxicity of fluoxetine and fluvoxamine. There are many more new antidepressants in various stages of development and it is likely that several of these will be marketed. Since their individual toxicities differ it is essential that monitoring of their overdose effects should be undertaken.
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[Bladder hernias. Apropos of 3 cases]. Actas Urol Esp 1986; 10:17-20. [PMID: 3728103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Abstract
Although overdoses from cardiac drugs are uncommon, these are compounds with narrow therapeutic indices and they may give rise to serious acute toxicity from accidental, deliberate or even iatrogenic overdosage. Through the National Poisons Information Service for England and the Poisons Unit laboratory, we monitor reports of serious toxicity from this group of drugs and use the information gained to assess our recommendations for treatment. This article reviews the toxicity and the management of overdosage with digoxin and representative drugs from each class of anti-arrhythmic drugs. From these observations, a general plan of management applicable to all cardiac drugs is proposed and its is suggested that this form of monitoring should be continued.
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Activated charcoal in tricyclic antidepressant poisoning: pilot controlled clinical trial. HUMAN TOXICOLOGY 1983; 2:205-9. [PMID: 6345340 DOI: 10.1177/096032718300200205] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
1 A randomised clinical trial was carried out to assess the effects of activated charcoal in the management of suspected tricyclic antidepressant poisoning. 2 Forty-eight patients entered the study, twenty receiving supportive care plus activated charcoal (10 g) and twenty-eight supportive care alone. 3 Drug screening showed that only seventeen patients had taken tricyclic antidepressants alone. 4 Activated charcoal had no effect on either the rate of lightening of coma or the fall in plasma antidepressant concentration in the 'pure' tricyclic antidepressant poisoning group. 5 No serious side-effects of activated charcoal were reported.
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25
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Abstract
Forty-four of 219 animals from Trinidad and Grenada, W.I., yielded 20 serotypes of Salmonella, 16 of which are known to have been associated with human infection in the United States in recent years. Toads (Bufo marinus) provided the greatest number of isolates. Other carriers were mammals, vultures, lizards, a tree-frog and a cave cockroach.
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