OOIR: Observatory of International Research

Papers

(The median citation count of Anaesthesia is 2. 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 2020-04-01 to 2024-04-01.)

Article	Citations
Consensus guidelines for managing the airway in patients with COVID‐19	642
Personal protective equipment during the coronavirus disease (COVID) 2019 pandemic – a narrative review	439
Timing of surgery following SARS‐CoV‐2 infection: an international prospective cohort study	330
Resilience strategies to manage psychological distress among healthcare workers during the COVID‐19 pandemic: a narrative review	327
Outcomes from intensive care in patients with COVID‐19: a systematic review and meta‐analysis of observational studies	289
Airborne transmission of severe acute respiratory syndrome coronavirus‐2 to healthcare workers: a narrative review	240
Point‐of‐care lung ultrasound in patients with COVID‐19 – a narrative review	233
Hospital surge capacity in a tertiary emergency referral centre during the COVID‐19 outbreak in Italy	232
Risks to healthcare workers following tracheal intubation of patients with COVID‐19: a prospective international multicentre cohort study	203
Caring for patients with pain during the COVID‐19 pandemic: consensus recommendations from an international expert panel	181
The aerosol box for intubation in coronavirus disease 2019 patients: an in‐situ simulation crossover study	165
Recommendations for standards of monitoring during anaesthesia and recovery 2021	148
A quantitative evaluation of aerosol generation during tracheal intubation and extubation	145
PROSPECT guideline for elective caesarean section: updated systematic review and procedure‐specific postoperative pain management recommendations	123
Guideline for the management of hip fractures 2020	117
Deaths in healthcare workers due to COVID‐19: the need for robust data and analysis	116
The use of intravenous lidocaine for postoperative pain and recovery: international consensus statement on efficacy and safety	113
Mortality in patients admitted to intensive care with COVID‐19: an updated systematic review and meta‐analysis of observational studies	111
PROSPECT guideline for total hip arthroplasty: a systematic review and procedure‐specific postoperative pain management recommendations	110
Measurement of airborne particle exposure during simulated tracheal intubation using various proposed aerosol containment devices during the COVID‐19 pandemic	108
An international multidisciplinary consensus statement on the prevention of opioid‐related harm in adult surgical patients	101
Neuraxial anaesthesia and peripheral nerve blocks during the COVID‐19 pandemic: a literature review and practice recommendations	99
The effect of respiratory activity, non‐invasive respiratory support and facemasks on aerosol generation and its relevance to COVID‐19	92
Consensus statement on measures to promote equitable authorship in the publication of research from international partnerships	92
SARS‐CoV‐2 infection, COVID‐19 and timing of elective surgery	88

Preventing unrecognised oesophageal intubation: a consensus guideline from the Project for Universal Management of Airways and international airway societies*	87
Impact of the pericapsular nerve group (PENG) block on postoperative analgesia and functional recovery following total hip arthroplasty: a randomised, observer‐masked, controlled trial	83
PROSPECT guidelines for video‐assisted thoracoscopic surgery: a systematic review and procedure‐specific postoperative pain management recommendations	82
Efficacy of erector spinae plane block for analgesia in breast surgery: a systematic review and meta‐analysis	79
Laryngeal oedema associated with COVID‐19 complicating airway management	74
The role of regional anaesthesia and multimodal analgesia in the prevention of chronic postoperative pain: a narrative review	72
SARS‐CoV‐2 infection and venous thromboembolism after surgery: an international prospective cohort study	71
False individual patient data and zombie randomised controlled trials submitted to Anaesthesia	70
Patient blood management during the COVID–19 pandemic: a narrative review	69
The role of fit testing N95/FFP2/FFP3 masks: a narrative review	68
Principles of environmentally‐sustainable anaesthesia: a global consensus statement from the World Federation of Societies of Anaesthesiologists	66
Pneumomediastinum following intubation in COVID‐19 patients: a case series	64
The use of high‐flow nasal oxygen in COVID‐19	62
Factors associated with mortality in patients with COVID‐19 admitted to intensive care: a systematic review and meta‐analysis	61
Quadratus lumborum block vs. transversus abdominis plane block for caesarean delivery: a systematic review and network meta‐analysis^*	57
Updates in our understanding of local anaesthetic systemic toxicity: a narrative review	57
PROSPECT guideline for tonsillectomy: systematic review and procedure‐specific postoperative pain management recommendations	56
Impact of vaccination by priority group on UK deaths, hospital admissions and intensive care admissions from COVID‐19	56
Ultrasound‐guided fascial plane blocks of the chest wall: a state‐of‐the‐art review	56
The effect of trimodal prehabilitation on the physical and psychological health of patients undergoing colorectal surgery: a randomised clinical trial	54
Evidence‐based strategies to reduce the incidence of postoperative delirium: a narrative review	52
Battling COVID‐19: critical care and peri‐operative healthcare resource management strategies in a tertiary academic medical centre in Singapore	52
Multidisciplinary guidance for safe tracheostomy care during the COVID‐19 pandemic: the NHS National Patient Safety Improvement Programme (NatPatSIP)	52
The effect of COVID‐19 on general anaesthesia rates for caesarean section. A cross‐sectional analysis of six hospitals in the north‐west of England	50
Virtual reality for acute and chronic pain management in adult patients: a narrative review	50
The effect of iron deficiency and anaemia on women’s health	48
Aerosolisation during tracheal intubation and extubation in an operating theatre setting	46
Action guidance for addressing pollution from inhalational anaesthetics	46
Malignant hyperthermia 2020	45
Coping with COVID‐19: ventilator splitting with differential driving pressures using standard hospital equipment	44
The association of lung ultrasound images with COVID‐19 infection in an emergency room cohort	44
Timing of elective surgery and risk assessment after SARS‐CoV‐2 infection: an update	43
Local anaesthetic adjuncts for peripheral regional anaesthesia: a narrative review	43
The impact of respiratory protective equipment on difficult airway management: a randomised, crossover, simulation study	43
Epidural vs. transversus abdominis plane block for abdominal surgery – a systematic review, meta‐analysis and trial sequential analysis	42
General anaesthetic and airway management practice for obstetric surgery in England: a prospective, multicentre observational study*	42
A European consensus statement on the use of four‐factor prothrombin complex concentrate for cardiac and non‐cardiac surgical patients	41
Drugs for preventing postoperative nausea and vomiting in adults after general anaesthesia: an abridged Cochrane network meta‐analysis	40
The effect on consent rates for deceased organ donation in Wales after the introduction of an opt‐out system	40
A prospective observational study of the rapid detection of clinically‐relevant plasma direct oral anticoagulant levels following acute traumatic injury	40
Patient characteristics, anaesthetic workload and techniques in the UK: an analysis from the 7th National Audit Project (NAP7) activity survey	39
Artificial intelligence for image interpretation in ultrasound‐guided regional anaesthesia	38
Intubation boxes for managing the airway in patients with COVID‐19	38
Effects of pre‐operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study	37
10 kHz spinal cord stimulation for the treatment of non‐surgical refractory back pain: subanalysis of pooled data from two prospective studies	37
Safety testing improvised COVID‐19 personal protective equipment based on a modified full‐face snorkel mask	37
Maximising application of the aerosol box in protecting healthcare workers during the COVID‐19 pandemic	36
Conventional landmark palpation vs. preprocedural ultrasound for neuraxial analgesia and anaesthesia in obstetrics – a systematic review and meta‐analysis with trial sequential analyses	36
Understanding the COVID‐19 coagulopathy spectrum	36
Prevention and management of intra‐operative pain during caesarean section under neuraxial anaesthesia: a technical and interpersonal approach	33

Risk to health from COVID‐19 for anaesthetists and intensivists – a narrative review	31
The importance of hypertension as a risk factor for severe illness and mortality in COVID‐19	31
Pandemics and maternal health: the indirect effects of COVID‐19	30
Hundreds of thousands of zombie randomised trials circulate among us	30
Implementing human factors in anaesthesia: guidance for clinicians, departments and hospitals	30
Guideline on anaesthesia and sedation in breastfeeding women 2020	30
Human factors issues of working in personal protective equipment during the COVID‐19 pandemic	29
The misogyny of iron deficiency	29
The impact of COVID‐19 on anaesthesia and critical care services in the UK: a serial service evaluation*	29
A randomised trial of bilateral erector spinae plane block vs. no block for thoracolumbar decompressive spinal surgery	29
The COVID‐19 pandemic and its consequences for chronic pain: a narrative review	28
Project for Universal Management of Airways – part 1: concept and methods	28
Pre‐oxygenation using high‐flow nasal oxygen vs. tight facemask during rapid sequence induction	28
Videolaryngoscopy vs. direct Macintosh laryngoscopy in tracheal intubation in adults: a ranking systematic review and network meta‐analysis	28
Persistent headache and low back pain after accidental dural puncture in the obstetric population: a prospective, observational, multicentre cohort study	28
Inadequate neuraxial anaesthesia in patients undergoing elective caesarean section: a systematic review	27
The effect of patient ethnicity on the accuracy of peripheral pulse oximetry in patients with COVID‐19 pneumonitis: a single‐centre, retrospective analysis	27
Measurement of airway pressure during high‐flow nasal therapy in apnoeic oxygenation: a randomised controlled crossover trial^*	27
Management of traumatic brain injury: a narrative review of current evidence	27
Regional analgesia for lower leg trauma and the risk of acute compartment syndrome	27
Programmed intermittent epidural bolus vs. patient‐controlled epidural analgesia for maintenance of labour analgesia: a two‐centre, double‐blind, randomised study†	26
Fundamentals and innovations in regional anaesthesia for infants and children	26
The use of artificial intelligence and robotics in regional anaesthesia	26
The effect of peri‐operative dexmedetomidine on the incidence of postoperative delirium in cardiac and non‐cardiac surgical patients: a randomised, double‐blind placebo‐controlled trial	26
Perineural and intravenous dexamethasone and dexmedetomidine: network meta‐analysis of adjunctive effects on supraclavicular brachial plexus block	26
Acute peri‐operative neurocognitive disorders: a narrative review	25
Methods of the 7^th National Audit Project (NAP7) of the Royal College of Anaesthetists: peri‐operative cardiac arrest	24
Peri‐operative COVID‐19 infection in urgent elective surgery during a pandemic surge period: a retrospective observational cohort study	24
Adapting re‐usable elastomeric respirators to utilise anaesthesia circuit filters using a 3D‐printed adaptor ‐ a potential alternative to address N95 shortages during the COVID‐19 pandemic	24
Are most randomised trials in anaesthesia and critical care wrong? An analysis using Bayes’ theorem	23
Spinal or general anaesthesia for surgical repair of hip fracture and subsequent risk of mortality and morbidity: a database analysis using propensity score‐matching	23
Occupational COVID‐19 risk for anaesthesia and intensive care staff – low‐risk specialties in a high‐risk setting	23
Incidence of accidental awareness during general anaesthesia in obstetrics: a multicentre, prospective cohort study	23
3D printed circuit splitter and flow restriction devices for multiple patient lung ventilation using one anaesthesia workstation or ventilator	23
Unlicensed intravenous lidocaine for postoperative pain: always a safer ‘licence to stop’ than to start	23
Heart disease in women: a narrative review	22
Gestational anaemia and severe acute maternal morbidity: a population‐based study*	22
Delivering extracorporeal membrane oxygenation for patients with COVID‐19: what, who, when and how?	22
A quantitative evaluation of aerosol generation during supraglottic airway insertion and removal	22
Contemporary training methods in regional anaesthesia: fundamentals and innovations	22
Oxytocin: at birth and beyond. A systematic review of the long‐term effects of peripartum oxytocin	22
The incidence and effect of resternotomy following cardiac surgery on morbidity and mortality: a 1‐year national audit on behalf of the Association of Cardiothoracic Anaesthesia and Critical Care	22
Major complications of airway management: a prospective multicentre observational study	21
A survey on burnout and depression risk among anaesthetists during COVID‐19: the tip of an iceberg?	21
Using postoperative pain trajectories to define the role of regional analgesia in personalised pain medicine	21
Screening and treating pre‐operative anaemia and suboptimal iron stores in elective colorectal surgery: a cost effectiveness analysis	21
Breast surgery analgesia: another perspective for PROSPECT guidelines	20
Human factors in anaesthesia: a narrative review	20
Treatment threshold for intra‐operative hypotension in clinical practice—a prospective cohort study in older patients in the UK	20
Why does oesophageal intubation still go unrecognised? Lessons for prevention from the coroner’s court	20
Renal impairment and its impact on clinical outcomes in patients who are critically ill with COVID‐19: a multicentre observational study	20
Steroids to reduce the impact on delirium (STRIDE): a double‐blind, randomised, placebo‐controlled feasibility trial of pre‐operative dexamethasone in people with hip fracture	20
Tracheal tube size in adults undergoing elective surgery – a narrative review	20
Quality of recovery scores in deep serratus anterior plane block vs. sham block in ambulatory breast cancer surgery: a randomised controlled trial	19
Comparing the environmental impact of inhalational anaesthesia and propofol‐based intravenous anaesthesia	19
The impact of protocol‐based high‐intensity pharmacological thromboprophylaxis on thrombotic events in critically ill COVID‐19 patients	19
Prevalence and experience of fatigue in survivors of critical illness: a mixed‐methods systematic review	19
Oxygen: under or over a surgical facemask for COVID‐19 patients?	19
Aerosol clearance times to better communicate safety after aerosol‐generating procedures	19
Regional anaesthesia for labour, operative vaginal delivery and caesarean delivery: a narrative review	19
A cross‐sectional study of immune seroconversion to SARS‐CoV‐2 in frontline maternity health professionals	19
Oxytocin at elective caesarean delivery: a dose‐finding study in women with obesity	18
Airway management guidance for the endemic phase of COVID‐19	18
Postoperative systemic inflammatory dysregulation and corticosteroids: a narrative review	18
Personal protective equipment during the COVID‐19 pandemic: a reply	17
Implementing nitrous oxide cracking technology in the labour ward to reduce occupational exposure and environmental emissions: a quality improvement study^*	17
Analgesic effect of intravenous dexamethasone after volar plate surgery for distal radius fracture with brachial plexus block anaesthesia: a prospective, double‐blind randomised clinical trial^*	17
Hospital re‐admission after critical care survival: a systematic review and meta‐analysis	17
Empirically generated reference proportions for baseline p values from rounded summary statistics	17
Airway events in obese vs. non‐obese elective surgical patients: a cross‐sectional observational study	17
The role of peripheral nerve stimulation in the era of ultrasound‐guided regional anaesthesia	17
Intrathecal catheter use after accidental dural puncture in obstetric patients: literature review and clinical management recommendations	17
Estimate of the total carbon footprint and component carbon sources of different modes of labour analgesia	16
Implications of nocebo in anaesthesia care	16
The use of UV fluorescent powder for COVID‐19 airway management simulation training	16
The effect of dexmedetomidine on postoperative behaviour change in children: a randomised controlled trial	16
Management of haematoma after thyroid surgery: systematic review and multidisciplinary consensus guidelines from the Difficult Airway Society, the British Association of Endocrine and Thyroid Surgeons	16
Current status and solutions for gender equity in anaesthesia research	16
Pharmacological and clinical implications of local anaesthetic mixtures: a narrative review	16
Validation of the factors influencing family consent for organ donation in the UK	16

The role of regional anaesthesia in the emerging subspecialty of onco‐anaesthesia: a state‐of‐the‐art review	16
Prothrombin complex concentrate vs. fresh frozen plasma in adult patients undergoing heart surgery – a pilot randomised controlled trial (PROPHESY trial)	16
An update on the management of chronic pelvic pain in women	16
Anaphylaxis in pregnancy: a population‐based multinational European study	16
Litigation related to anaesthesia: analysis of claims against the NHS in England 2008–2018 and comparison against previous claim patterns	16
Management of the airway and lung isolation for thoracic surgery during the COVID‐19 pandemic	16
Cardiovascular subphenotypes in patients with COVID‐19 pneumonitis whose lungs are mechanically ventilated: a single‐centre retrospective observational study	16
Procedural sedation: providing the missing definition	15
Volatile anaesthesia and peri‐operative outcomes related to cancer: a feasibility and pilot study for a large randomised control trial	15
Opioid prescription at postoperative discharge: a retrospective observational cohort study	15
Effect of ventilation mode on postoperative pulmonary complications following lung resection surgery: a randomised controlled trial	15
Permanent brain arrest as the sole criterion of death in systemic circulatory arrest	15
Discrepancy between S_pO₂ and S_aO₂ in patients with COVID‐19	15
An observational study of distractions in the operating theatre	15
Defining success in regional anaesthesia	15
Effect of high‐flow vs. low‐flow nasal plus mouthguard oxygen therapy on hypoxaemia during sedation: a multicentre randomised controlled trial	15
Anaemia in cardiac surgery – a retrospective review of a centre's experience with a pre‐operative intravenous iron clinic	15
Early cryoprecipitate transfusion versus standard care in severe postpartum haemorrhage: a pilot cluster‐randomised trial	14
Progress towards a standard of quantitative twitch monitoring	14
Anaemia among intensive care unit survivors and association with days alive and at home: an observational study	14
Addressing priorities for surgical research in Africa: implementation of a multicentre cloud‐based peri‐operative registry in Ethiopia	14
Quantitative evaluation of aerosol generation during manual facemask ventilation	14
Ergonomics in the anaesthetic workplace	14
Mental disorder in pregnancy and the early postpartum	14
Efficacy and safety of intrathecal morphine for analgesia after lower joint arthroplasty: a systematic review and meta‐analysis with meta‐regression and trial sequential analysis	14
Thinking outside the (acrylic) box: a framework for the local use of custom‐made medical devices	14
A systematic review and trial sequential analysis of intravenous vs. oral peri‐operative paracetamol	14
Supraclavicular versus infraclavicular approach for ultrasound‐guided right subclavian venous catheterisation: a randomised controlled non‐inferiority trial	14
An analysis of the academic capacity of anaesthesia in the UK by publication trends and academic units	14
Infection control in non‐clinical areas during the COVID‐19 pandemic	14
Exploring the limits of prolonged apnoea with high‐flow nasal oxygen: an observational study	14
A double‐blind randomised feasibility trial of angiotensin‐2 in cardiac surgery^*	14
Effect of simulation‐based team training in airway management: a systematic review	14
Analysis of a national difficult airway database	14
Guideline on the peri‐operative management of patients with sickle cell disease	14
Clinical tests for confirming tracheal intubation or excluding oesophageal intubation: a diagnostic test accuracy systematic review and meta‐analysis	14
Managing the R0 of COVID‐19: mathematics fights back	14
Observational study of pre‐operative intravenous iron given to anaemic patients before elective cardiac surgery	14
Demand–capacity modelling and COVID‐19 disease: identifying themes for future NHS planning	14
The association between post‐dural puncture headache and needle type during spinal anaesthesia: a systematic review and network meta‐analysis	14
Early percutaneous tracheostomy for patients with COVID‐19	13
The safety of paediatric surgery between COVID‐19 surges: an observational study	13
The effect of advanced recovery room care on postoperative outcomes in moderate‐risk surgical patients: a multicentre feasibility study	13
Decision‐making around admission to intensive care in the UK pre‐COVID‐19: a multicentre ethnographic study	13
Pre‐operative optimisation for chronic obstructive pulmonary disease: a narrative review	13
Advancing towards the next frontier in regional anaesthesia	13
A model to predict difficult airway alerts after videolaryngoscopy in adults with anticipated difficult airways – the VIDIAC score	13
A systematic review of pain outcomes reported by randomised trials of hip and knee arthroplasty	13
Practical considerations in the anaesthetic management of patients during a COVID‐19 epidemic	13
Effect of discharge opioid on persistent postoperative opioid use: a retrospective cohort study comparing tapentadol with oxycodone	13
Effect of intra‐operative intravenous lidocaine on opioid consumption after bariatric surgery: a prospective, randomised, blinded, placebo‐controlled study	13
The rise of organ donation after circulatory death: a narrative review	13
Efficacy of regional blocks or local anaesthetic infiltration for analgesia after caesarean delivery: a network meta‐analysis of randomised controlled trials	13
Decreasing mortality rates in ICU during the COVID‐19 pandemic	13
Timing of surgery following SARS‐CoV‐2 infection: an international prospective cohort study	13
The association of pre‐operative anaemia with morbidity and mortality after emergency laparotomy	12
Examining consent for interventional research in potential deceased organ donors: a narrative review	12
Erector spinae plane block vs. peri‐articular injection for pain control after arthroscopic shoulder surgery: a randomised controlled trial	12
The Anaesthesia Case Report (ACRE) checklist: a tool to promote high‐quality reporting of cases in peri‐operative practice	12
Glycated haemoglobin and the risk of postoperative complications in people without diabetes: a prospective population‐based study in UK Biobank	12
Effectiveness of emergency surgery for five common acute conditions: an instrumental variable analysis of a national routine database	12
A comparison of gastric gas volumes measured by computed tomography after high‐flow nasal oxygen therapy or conventional facemask ventilation^*	12
Should we be re‐starting elective surgery?	12
The COVID‐19 information pandemic: how have we managed the surge?	12
Efficacy of quadruple treatment on different types of pre‐operative anaemia: secondary analysis of a randomised controlled trial	12
Analgesia for major laparoscopic abdominal surgery: a randomised feasibility trial using intrathecal morphine	12
A randomised controlled trial comparing deep neuromuscular blockade reversed with sugammadex with moderate neuromuscular block reversed with neostigmine	12
Pre‐oxygenation with facemask oxygen vs high‐flow nasal oxygen vs high‐flow nasal oxygen plus mouthpiece: a randomised controlled trial	12
Neurodevelopmental outcomes after prenatal exposure to anaesthesia for maternal surgery: a propensity‐score weighted bidirectional cohort study	12
A comparison of postoperative respiratory complications associated with the use of desflurane and sevoflurane: a single‐centre cohort study	12
Peri‐operative cardiac arrest: epidemiology and clinical features of patients analysed in the 7th National Audit Project of the Royal College of Anaesthetists	11
Complications associated with paediatric airway management during the COVID‐19 pandemic: an international, multicentre, observational study	11
Functional decline after major elective non‐cardiac surgery: a multicentre prospective cohort study	11
Suicide in anaesthetists: a systematic review	11
Peri‐operative outcomes of surgery in children with SARS‐CoV‐2 infection	11
A pilot multicentre randomised controlled trial of lidocaine infusion in women undergoing breast cancer surgery	11
Education and scientific dissemination during the COVID‐19 pandemic	11
Apnoeic oxygenation in paediatric anaesthesia: a narrative review	11
Optimisation of the organ donor and effects on transplanted organs: a narrative review on current practice and future directions	11
Aerosol precautions and airway complications: a national prospective multicentre cohort study	11
Performance and usability of pre‐operative prediction models for 30‐day peri‐operative mortality risk: a systematic review	11
Use of a team immediate debrief tool to improve staff well‐being after potentially traumatic events	11
A national cohort study to investigate the association between ethnicity and the provision of care in obstetric anaesthesia in England between 2011 and 2021	11
Right ventricular dysfunction in patients with COVID‐19 pneumonitis whose lungs are mechanically ventilated: a multicentre prospective cohort study	11
General anaesthesia in end‐of‐life care: extending the indications for anaesthesia beyond surgery	11
Drug mixtures and infusion technology. MasterChef or Hell’s Kitchen?	11
Delirium and COVID‐19: a narrative review of emerging evidence	11
Novel wearable and contactless heart rate, respiratory rate, and oxygen saturation monitoring devices: a systematic review and meta‐analysis	11
Patient outcomes following transfer between intensive care units during the COVID‐19 pandemic	11
The effects of COVID‐19 on hip fracture management and mortality in a regional trauma centre	11
Postoperative outcomes in surgical patients with obstructive sleep apnoea diagnosed by sleep studies: a meta‐analysis and trial sequential analysis	11
COVID‐19 and access to labour epidural analgesia in UK hospitals	10
Pre‐operative autonomic nervous system function – a missing link for post‐induction hypotension?	10
A transverse approach for ultrasound‐guided anterior quadratus lumborum block at the lateral supra‐arcuate ligament	10
Sustaining better care for patients undergoing emergency laparotomy	10