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1.
Tidsskr Nor Laegeforen ; 141(11)2021 08 17.
Article in English, Norwegian | MEDLINE | ID: mdl-34423945

ABSTRACT

BACKGROUND: We present the case of a man in his fifties who presented with bilateral lower extremity ischaemia three weeks after COVID-19 infection. The patient had known. CASE PRESENTATION: On arrival at the emergency department his left lower extremity had reduced sensation but preserved motor function. His right lower extremity had spontaneously improved on arrival. A CT angiogram showed thromboembolism in both popliteal arteries with extension down the tibiofibular trunk. An acute bilateral mechanical thromboembolectomy of the popliteal artery and tibiofibular trunk was performed. Postoperatively he was hypoxic and a CT thorax angiogram showed bilateral pulmonary embolism, a floating aortic thrombus and ground glass opacification changes typical after COVID-19 viral pneumonia. The patient was systemically anticoagulated. Echocardiography revealed an apical thrombus. There were no signs of cardiac arrhythmia. Haematological diagnostic tests were all negative. INTERPRETATION: It is presumed that a previous COVID-19 infection contributed to the systemic thrombotic events. The patient was discharged after 9 days in good health and able to walk a normal distance.


Subject(s)
COVID-19 , Pulmonary Embolism , Thromboembolism , Thrombosis , Humans , Male , Pulmonary Embolism/diagnostic imaging , Pulmonary Embolism/etiology , SARS-CoV-2 , Thromboembolism/diagnostic imaging , Thromboembolism/etiology
2.
PLoS One ; 14(9): e0222132, 2019.
Article in English | MEDLINE | ID: mdl-31498831

ABSTRACT

BACKGROUND: Suicide prevention is a global priority. Despite the focus on primary care in suicide prevention, little is known about the contributory role of community pharmacists and nothing about the role of the wider community pharmacy team in this area. We aimed to explore the current and potential role of community pharmacy teams in self-harm and suicide prevention. METHODS: We conducted one-to-one semi-structured qualitative interviews with community pharmacy staff (pharmacists, pre-registration pharmacists, pharmacy technicians, dispensing/pharmacy assistants, delivery drivers) in the North West of England, UK. We identified themes from the interview transcripts through an iterative process of inductive thematic analysis. RESULTS: We conducted twenty-five interviews with community pharmacy staff. Many described examples of helping those who were contemplating suicide or self-harm. No participants had received suicide prevention training. We identified six themes. The first two themes (i) Relationship with Patient and (ii) Pharmacy environment were seen as facilitators, which, if supported by (iii) Training, could underpin the final three themes: (iv) Opportunities for contact, (v) Facilitated referral pathway and (v) Restricting access to means. The distinct lack of training should be overcome with evidence-informed training. Referral pathways should be clear and enable direct and accessible referral by community pharmacy teams. There are opportunities for existing pharmacy services and schemes to be adapted to maximise suicide and self-harm prevention activities. Pharmacy teams did not identify themselves to have a clear role in restricting access to medication. CONCLUSIONS: Pharmacy teams already support patients in relation to self-harm and suicide, often relying on their personal experience in the absence of formal training. With the implementation of evidence-informed training and clear referral pathways, this could be done in a more effectively.


Subject(s)
Community Pharmacy Services/statistics & numerical data , Self-Injurious Behavior/prevention & control , Suicide Prevention , Adolescent , Adult , Aged , Female , Health Knowledge, Attitudes, Practice , Humans , Interviews as Topic , Male , Middle Aged , Young Adult
3.
Transl Oncol ; 12(1): 122-133, 2019 Jan.
Article in English | MEDLINE | ID: mdl-30292065

ABSTRACT

BACKGROUND: Tumor cell invasion is a hallmark of glioblastoma (GBM) and a major contributing factor for treatment failure, tumor recurrence, and the poor prognosis of GBM. Despite this, our understanding of the molecular machinery that drives invasion is limited. METHODS: Time-lapse imaging of patient-derived GBM cell invasion in a 3D collagen gel matrix, analysis of both the cellular invasive phenotype and single cell invasion pattern with microarray expression profiling. RESULTS: GBM invasion was maintained in a simplified 3D-milieue. Invasion was promoted by the presence of the tumorsphere graft. In the absence of this, the directed migration of cells subsided. The strength of the pro-invasive repulsive signaling was specific for a given patient-derived culture. In the highly invasive GBM cultures, the majority of cells had a neural progenitor-like phenotype, while the less invasive cultures had a higher diversity in cellular phenotypes. Microarray expression analysis of the non-invasive cells from the tumor core displayed a higher GFAP expression and a signature of genes containing VEGFA, hypoxia and chemo-repulsive signals. Cells of the invasive front expressed higher levels of CTGF, TNFRSF12A and genes involved in cell survival, migration and cell cycle pathways. A mesenchymal gene signature was associated with increased invasion. CONCLUSION: The GBM tumorsphere core promoted invasion, and the invasive front was dominated by a phenotypically defined cell population expressing genes regulating traits found in aggressive cancers. The detected cellular heterogeneity and transcriptional differences between the highly invasive and core cells identifies potential targets for manipulation of GBM invasion.

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