OOIR: Observatory of International Research

Papers

(The median citation count of Clinical Medicine is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
What we know so far: COVID-19 current clinical knowledge and research	483
Autonomic dysfunction in ‘long COVID’: rationale, physiology and management strategies	410
Does vitamin D deficiency increase the severity of COVID-19?	142
Rehabilitation after COVID-19: an evidence-based approach	102
Von Willebrand factor (vWF): marker of endothelial damage and thrombotic risk in COVID-19?	95
Lessons of the month 1: A case of rhombencephalitis as a rare complication of acute COVID-19 infection	85
The potential impacts of obesity on COVID-19	84
Psoriasis: a brief overview	84
Long-term sequelae following previous coronavirus epidemics	83
Ulcerative colitis: an update	83
The impact of false positive COVID-19 results in an area of low prevalence	75
Evaluating the national PPE guidance for NHS healthcare workers during the COVID-19 pandemic	67
Thrombotic risk in COVID-19: a case series and case–control study	60
Developing services for long COVID: lessons from a study of wounded healers	58
Guillain–Barré syndrome associated with leptomeningeal enhancement following SARS-CoV-2 infection	55
Reducing nosocomial transmission of COVID-19: implementation of a COVID-19 triage system	52
Clinical presentation and diagnosis of multiple sclerosis	51
Acute myocarditis: aetiology, diagnosis and management	50
A case of COVID-19 reinfection in the UK	50
Perspective: Vitamin D supplementation prevents rickets and acute respiratory infections when given as daily maintenance but not as intermittent bolus: implications for COVID-19	48
Restarting gastrointestinal endoscopy in the deceleration and early recovery phases of COVID-19 pandemic: Guidance from the British Society of Gastroenterology	47
Iron deficiency without anaemia: a diagnosis that matters	46
Management of functional gastrointestinal disorders	45
A practical review of functional neurological disorder (FND) for the general physician	44
Nutritional status and COVID-19: an opportunity for lasting change?	43

National Early Warning Score 2 (NEWS2) to identify inpatient COVID-19 deterioration: a retrospective analysis	41
Non-steroidal anti-inflammatory drugs and the gastrointestinal tract	41
Guidance for the prevention and emergency management of adult patients with adrenal insufficiency	40
Leptospirosis: clinical aspects	38
Hyperbaric oxygen therapy for the treatment of long COVID: early evaluation of a highly promising intervention	38
COVID-19: Causes of anxiety and wellbeing support needs of healthcare professionals in the UK: A cross-sectional survey	37
Inhaled and systemic heparin as a repurposed direct antiviral drug for prevention and treatment of COVID-19	36
Early applications of ChatGPT in medical practice, education and research	36
Early intervention likely improves mortality in COVID-19 infection	35
Preventing vitamin D deficiency during the COVID-19 pandemic: UK definitions of vitamin D sufficiency and recommended supplement dose are set too low	35
Implementation and evaluation of a COVID-19 rapid follow-up service for patients discharged from the emergency department	32
Lessons of the month 1: Longitudinal extensive transverse myelitis following AstraZeneca COVID-19 vaccination	32
Sarcopenia in cirrhosis: A practical overview	32
C-reactive protein and albumin association with mortality of hospitalised SARS-CoV-2 patients: A tertiary hospital experience	31
Acute-on-chronic liver failure	31
The challenges of chronic pain and fatigue	30
Complete blood count might help to identify subjects with high probability of testing positive to SARS-CoV-2	30
Identifying rheumatic disease patients at high risk and requiring shielding during the COVID-19 pandemic	30
Pneumocystispneumonia, a COVID-19 mimic, reminds us of the importance of HIV testing in COVID-19	29
Nosocomial spread of COVID-19: lessons learned from an audit on a stroke/neurology ward in a UK district general hospital	29
Use of procalcitonin for antibiotic stewardship in patients with COVID-19: A quality improvement project in a district general hospital	29
COVID-19 – does exercise prescription and maximal oxygen uptake (VO₂ max) have a role in risk-stratifying patients?	29
Procalcitonin for patient stratification and identification of bacterial co-infection in COVID-19	29
Dying ‘due to’ or ‘with’ COVID-19: a cause of death analysis in hospitalised patients	28
Idiopathic intracranial hypertension: Update on diagnosis and management	28
Endocrine complications of immunotherapies: a review	28
Characteristics and outcomes of patients with COVID-19 at a district general hospital in Surrey, UK	27
Is immune checkpoint inhibitor-associated diabetes the same as fulminant type 1 diabetes mellitus?	27
Dengue infection: Global importance, immunopathology and management	27
Epilepsy care in the COVID-19 era	27
Beyond bones: The relevance of variants of connective tissue (hypermobility) to fibromyalgia, ME/CFS and controversies surrounding diagnostic classification: an observational study	27
Post-COVID symptoms reported at asynchronous virtual review and stratified follow-up after COVID-19 pneumonia	26
The role of complement in kidney disease	26
Blood culture negative endocarditis in the modern era of 16S rRNA sequencing	26
Impact of a system-wide multicomponent intervention on administrative diagnostic coding for delirium and other cognitive frailty syndromes: observational prospective study	25
What do senior physicians think about AI and clinical decision support systems: Quantitative and qualitative analysis of data from specialty societies	24
Should chest compressions be considered an aerosol-generating procedure? A literature review in response to recent guidelines on personal protective equipment for patients with suspected COVID-19	23
COVID-19 in pregnancy	23
Lung ultrasound in the monitoring of COVID-19 infection	23
Potential role of endothelial cell surface ectopic redox complexes in COVID-19 disease pathogenesis	23
The impact of the COVID-19 pandemic on renal transplantation in the UK	23
The clinical sensitivity of a single SARS-CoV-2 upper respiratory tract RT-PCR test for diagnosing COVID-19 using convalescent antibody as a comparator	23
COVID-19-associated pneumomediastinum	23
Orthostatic hypotension in older people: considerations, diagnosis and management	22
Raynaud's phenomenon	22
Diabetic retinopathy for the non-ophthalmologist	22
Prone positioning in conscious patients on medical wards: A review of the evidence and its relevance to patients with COVID-19 infection	21
The renin–angiotensin system – a therapeutic target in COVID-19?	20
COVID-19 patients presenting with afebrile acute abdominal pain	20
Palliative care in the context of a pandemic: similar but different	20

The effects of COVID-19 on sickness of medical staff across departments: A single centre experience	20
Medically unexplained symptoms: assessment and management	20
Update on the diagnosis and management of autoimmune encephalitis	20
Rationale for the use of sphingosine analogues in COVID-19 patients	19
Managing obesity in people with type 2 diabetes	19
SARS-CoV-2 serology: Test, test, test, but interpret with caution!	19
Chronic kidney disease in adults: assessment and management	18
Update on the diagnosis and management of Parkinson's disease	18
Glucocorticoid use and complications following immune checkpoint inhibitor use in melanoma	18
Refusal of viral testing during the SARS-CoV-2 pandemic	18
The I in COVID: The importance of community and patient involvement in COVID-19 research	17
Chloroquine and COVID-19 – a potential game changer?	16
Nipah virus, an emerging zoonotic disease causing fatal encephalitis	16
The incidence and duration of COVID-19 vaccine-related reactive lymphadenopathy on ¹⁸F-FDG PET-CT	16
Feasibility, uptake and impact of a hospital-wide tobacco addiction treatment pathway: Results from the CURE project pilot	16
Drive-through testing in COVID-19: experience from NHS Lothian	15
COVID-19 infection causing residual gastrointestinal symptoms – a single UK centre case series	15
Rising to the challenge: Qualitative assessment of medical student perceptions responding to the COVID-19 pandemic	15
Decompensated cirrhosis is the commonest presentation for NAFLD patients undergoing liver transplant assessment	14
Melioidosis: clinical aspects	14
Heart failure and acute renal dysfunction in the cardiorenal syndrome	14
Update on the diagnosis and management of early rheumatoid arthritis	13
Use of an antiviral filter attached to a pleural drain bottle to prevent aerosol contamination with SARS-CoV-2	13
Optimising the management of osteoporosis	13
Exploring communication difficulties with deaf patients	13
Acute liver failure	12
Point-of-care ultrasound rapidly and reliably diagnoses renal tract obstruction in patients admitted with acute kidney injury	12
Post renal-transplant malignancy surveillance	12
Implementation and outcomes of the RAPID programme: Addressing the front end of the lung cancer pathway in Manchester	12
New guidance on the perioperative management of diabetes	11
Rheumatoid arthritis and bone health	11
Loperamide: an emerging drug of abuse and cause of prolonged QTc	11
Exposure of hospital healthcare workers to the novel coronavirus (SARS-CoV-2)	11
The role of the future physician: building on shifting sands	11
Peritoneal dialysis patients – the forgotten group in the coronavirus pandemic	10
UK neurology response to the COVID-19 crisis	10
Non-alcoholic fatty liver disease	10
Identifying and managing functional cardiac symptoms	10
Management of traumatic brain injury (TBI): a clinical neuroscience-led pathway for the NHS	10
Inflammatory eye disease: An overview of clinical presentation and management	10
Experience of a novel community testing programme for COVID-19 in London: Lessons learnt	10
Treatment of spontaneous intracranial hypotension: experiences in a UK regional neurosciences Centre	10
Association of British Clinical Diabetologists (ABCD) and Diabetes UK joint position statement and recommendations for non-diabetes specialists on the use of sodium glucose co-transporter 2 inhibitors	10
Mental-health-related admissions to the acute medical unit during COVID-19	9
Physiological changes from ageing regarding pain perception and its impact on pain management for older adults	9
Lessons of the month 3: Haemophagocytic lymphohistiocytosis following COVID-19 vaccination (ChAdOx1 nCoV-19)	9
The diagnostic value of ¹⁸F-FDG PET/CT in identifying the causes of fever of unknown origin	9
Interplay between endocrinology, metabolism and COVID-19 infection	9
Respiratory advice for the non-respiratory physician in the time of COVID-19	9
Liver diseases in pregnancy	9
Increased frequency of pneumothorax and pneumomediastinum in COVID-19 patients admitted in the ICU: A multicentre study from Mumbai, India	9
The new UK SARS-CoV-2 variant and lockdown – causes and consequences	9
Hub-and-spoke model for thrombectomy service in UK NHS practice	9
Assessment and management of dysphagia and achalasia	9
NICE atrial fibrillation guideline snubs wearable technology: a missed opportunity?	8
Lesson of the month: Severe granulomatosis with polyangiitis (GPA): a diagnostic challenge during the COVID-19 pandemic	8
Health and work: what physicians need to know	8
Should point-of-care ultrasound become part of healthcare worker testing for COVID?	8
Pre-stroke disability and stroke severity as predictors of discharge destination from an acute stroke ward	8
Lessons of the month: Co-infection with SARS-CoV-2 and influenza B virus in a patient with community-acquired pneumonia	8
How do we identify acute medical admissions that are suitable for same day emergency care?	8
Lesson of the month: Oxycodone-induced leukoencephalopathy: a rare diagnosis	8
Real-world use of the Breathing Pattern Assessment Tool in assessment of breathlessness post-COVID-19	8
Tachycardia in pregnancy: when to worry?	8
Diagnosis and management of non-cystic fibrosis bronchiectasis	8
Fluid management knowledge in hospital physicians: ‘Greenshoots’ of improvement but still a cause for concern	7
COVID-19 and diabetes: What have we learned so far?	7
Lung cancer for the non-respiratory physician	7
Improving the quality of care for people with giant cell arteritis	7
VITT, COVID-19 and the Expert Haematology Panel: The story of how the UK responded to emerging cases of vaccine-induced immune thrombocytopenia and thrombosis during the vaccination programme	7
Analysis of conflicts of interest among authors and researchers of European clinical guidelines in cardiovascular medicine	7
Lockdown Britain: Evidence for reduced incidence and severity of some non-COVID acute medical illnesses	7
Managing chronic pain in older people	7
The public’s attitude towards doctors’ use of Twitter and perceived professionalism: an exploratory study	7
Adult Paget's disease of bone	7
COVID-19 emergency department discharges: an outcome study	7
The aetiopathogenesis of vaccine-induced immune thrombotic thrombocytopenia	7
An update on hyper-acute management of ischaemic stroke	7
Quality of smoking cessation advice in guidelines of tobacco-related diseases: An updated systematic review	7
Radiation-induced coronary artery disease: a difficult clinical conundrum	7

Indications and considerations for kidney biopsy: an overview of clinical considerations for the non-specialist	7
Emergency treatment of anaphylaxis: concise clinical guidance	7
Experience from the first UK inter-regional specialist multidisciplinary meeting in the diagnosis and management of IgG4-related disease	7
Causes of obesity: a review	7
A comparison of emergency department presentations for medically unexplained symptoms in frequent attenders during COVID-19	7
Severe hypertension in pregnancy	7
The management of acute meningitis: an update	6
Frailty, multimorbidity and in-hospital cardiopulmonary resuscitation: predictable markers of outcome?	6
Restarting training and examinations in the era of COVID-19: a perspective from the Federation of Royal Colleges of Physicians UK	6
Why health anxiety needs to be recognised in hospital practice	6
Home quarantine in COVID-19: A study on 50 consecutive patients in Austria	6
Diabetes technologies – what the general physician needs to know	6
Rickettsial illnesses, a leading cause of acute febrile illness	6
An update on the management of cholestatic liver diseases	6
Hydrogen treatment: a novel option in liver diseases	6
Arterial and venous thrombotic stroke after ChAdOx1 nCoV-19 vaccine	6
An evaluation of advance care planning during the COVID-19 pandemic: a retrospective review of patient involvement in decision making using routinely collected data from digital ReSPECT records	6
Lessons of the month: Nitrous oxide-induced functional vitamin B₁₂ deficiency causing subacute combined degeneration of the spinal cord	6
To scan or not to scan – D-dimers and computed tomography pulmonary angiography in the era of COVID-19	6
Thrombophilia testing in the era of direct oral anticoagulants	6
Coronavirus in the elderly: a late lockdown UK cohort	6
How should we define a ‘good’ outcome from encephalitis? A systematic review of the range of outcome measures used in the long-term follow-up of patients with encephalitis	6
Preceptorship scheme for newly qualified physician associates working in general practice in Sheffield	6
Lessons of the month 3: ST-elevation myocardial infarction and left ventricular thrombus formation: an arterial thrombotic complication of severe COVID-19 infection	6
A specialised cardiorespiratory team approach in the intensive care management of COVID-19 patients: benefit on mortality, diagnosis and management	6
Modulating the gut–liver axis and the pivotal role of the faecal microbiome in cirrhosis	6
The transition to consultant: Identifying gaps in higher specialist training	6
Contact tracing for SARS-CoV-2: what can be learned from other conditions?	6
Mainstreaming medical humanities in continuing professional development and postgraduate training	5
‘What is the risk to me from COVID-19?’: Public involvement in providing mortality risk information for people with ‘high-risk’ conditions for COVID-19 (OurRisk.CoV)	5
NEWS2 system requires modification to identify deteriorating patients with COVID-19	5
‘Food for thought’: The importance of nutrition to patient care and the role of the junior doctor	5
Lessons of the month 4: Giant cell arteritis with normal inflammatory markers and isolated oculomotor nerve palsy	5
The foot in diabetes – a reminder of an ever-present risk	5
The prognostic value of chest X-ray in patients with COVID-19 on admission and when starting CPAP	5
Lessons of the month 3: Intravenous poppers abuse: case report, management and possible complications	5
Prevalence and socio-demographic factors of SARS-CoV-2 antibody in multi-ethnic healthcare workers	5
Advances in atopic dermatitis	5
A practical approach to the patient with chronic diarrhoea	5
Pulmonary CT imaging findings in fat embolism syndrome: case series and literature review	5
Anticoagulant strategies for the patient with chronic kidney disease	5
Tocilizumab-induced pulmonary fibrosis in a patient with rheumatoid arthritis	5
The safety of anaesthetists and intensivists during the first COVID-19 surge supports extension of use of airborne protection PPE to ward staff	5
A content analysis of contributory factors reported in serious incident investigation reports in hospital care	5
COVID-19: The impacts on foundation training in district general hospitals in the East of England and the East Midlands	5
Outcomes from a virtual ward delivering oxygen at home for patients recovering from COVID-19: a real world observational study	5
A case of dapsone-induced methaemoglobinaemia	5
Cancer immunotherapy and the management of side effects	5
The cost of providing mechanical thrombectomy in the UK NHS: a micro-costing study	5
The management of acute coronary syndromes in patients presenting without persistent ST-segment elevation: key points from the ESC 2020 Clinical Practice Guidelines for the general and emergency physi	5
Understanding the diagnosis and management of multisystem inflammatory syndrome in adults (MIS-A) in the UK: results of a national Delphi process	5
Incorporating SPACES recommendations to the COVID-19 ward care approach at the Royal Bournemouth Hospital	5
Delayed rhabdomyolysis secondary to anabolic-androgenic steroid use	5
The Volunteers in Research programme: supporting COVID-19 research and improving medical training in parallel	5
What's in a name: How do junior doctors address their consultants?	5
Immune checkpoint inhibitor-mediated hypophysitis: no place like home	5
Attitudes toward deprescribing for hospital inpatients	5
Consent for blood transfusion: summary of recommendations from the Advisory Committee for the Safety of Blood, Tissues and Organs (SaBTO)	4
SARS-CoV-2 antibody seroprevalence in NHS healthcare workers in a large double-sited UK hospital	4
Sepsis and the brain: a review for acute and general physicians	4
Prevalence of acute neurology: a 2-week snapshot in a district general hospital	4
Distribution of contemporary sensitivity troponin in the emergency department and relationship to 30-day mortality: The CHARIOT-ED substudy	4
Prime time for handheld echocardiography in COVID-19 pandemic	4
How to approach acute thrombosis and thrombocytopenia	4
Images of the month: An incidental finding of spontaneous pneumomediastinum (Hamman's syndrome) secondary to diabetic ketoacidosis during the coronavirus pandemic	4
Potential to reduce antibiotic use in secondary care: Single-centre process audit of prescription duration using NICE guidance for common infections	4
The protective effect of previous COVID-19 infection in a high-prevalence hospital setting	4
Hyperosmolar hyperglycaemic state as a stroke cause or stroke mimic: an illustrative case and review of literature	4
Real-world experience of SARS-CoV-2 antibody assays in UK healthcare workers	4
Posterior circulation ischaemic stroke diagnosis and management	4
SARS-CoV-2 pandemic and the cardiovascular system: What the non-cardiologist needs to know	4
Subarachnoid haemorrhage rules in the decision for acute CT of the head: external validation in a UK cohort	4
Outliers from national audits: their analysis and use by the Care Quality Commission in quality assurance and regulation of healthcare services in England	4
A human factors approach to quality improvement in oxygen prescribing	4
Lessons of the month: Not just morning sickness	4
Research in brief: Prone positioning in COVID-19: What's the evidence	4
Resistant type 2 amiodarone-induced thyrotoxicosis responsive to cholestyramine as an adjunctive therapy	4
The ethics and politics of addressing health inequalities	4
Utility of severity assessment tools in COVID-19 pneumonia: a multicentre observational study	4
Immunobullous disease	4
A cross-sectional audit of the risk of burnout among senior medical staff in a UK district general hospital	4
Implementation of virtual reality technology to decrease patients' pain and nervousness during colonoscopies: a prospective randomised controlled single-blinded trial	4
Differences in presentation, severity and management of DKA in type 1 and type 2 diabetes during the COVID-19 pandemic	4
Effects of fasting on solid organ transplant recipients during Ramadan – a practical guide for healthcare professionals	4
Reduction of physical activity during the COVID-19 pandemic is related to increased neuropsychiatric symptoms in memory clinic patients	4
Uncommon forms of diabetes	4
Low-fidelity simulation of medical emergency and cardiac arrest responses in a suspected COVID-19 patient – an interim report	4
Long-term outcomes of liver transplant recipients followed up in non-transplant centres: Care closer to home	4
Computed tomography in patients with epileptic seizures admitted acutely to hospital: A population level analysis of routinely collected healthcare data	4
Establishing a perioperative medicine for older people undergoing surgery service for general surgical patients at a district general hospital	4
Mainstreaming of genomics in oncology: a nationwide survey of the genomics training needs of UK oncologists	4
Tuberculous arthritis of the ankle joint masquerading as rheumatoid arthritis in a patient with lupus nephritis	4
Supporting people who have eating and drinking difficulties	4
Thrombocytopenia: the good, the bad and the ugly	4
Admission care bundles for decompensated cirrhosis are poorly utilised across the UK: results from a multi-centre retrospective study	4