OOIR: Observatory of International Research

Papers

(The TQCC of Brazilian Journal of Anesthesiology 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 2021-08-01 to 2025-08-01.)

Article	Citations
Measurement of anesthetic pollution in veterinary operating rooms for small animals	23
Preoperative iron supplementation in non-anemic patients undergoing major surgery: a systematic review and meta-analysis	20
Revisiting risk-profiling in pediatric cardiac anesthesia: a commentary on troponin-based outcome measures	16
Malignant hyperthermia and surnames: ethical dilemmas and diagnostic pitfalls	15
Is Jedi Grip efficient and effective in ultrasound-guided peripheral nerve blocking? A prospective, randomized, observer-blinded study	13
Anatomic barriers to paraspinal blocks: a cadaver case series	12
Airway management in mucopolysaccharidosis: a retrospective case series review	12
Perioperative fluid therapy: more questions than definitive answers	10
Is Mallampati classification a good screening test? A prospective cohort evaluating the predictive values of Mallampati test at different thresholds	10
Effects of aminophylline and dexamethasone prophylaxis on headache after spinal anesthesia in cesarean section: a randomized clinical trial	9
Cannabinoid products for pain management: recommendations from the São Paulo State Society of Anesthesiology	9
Identifying patient safety competences among anesthesiology residents: systematic review	8
Effects of allopurinol on pain and anxiety in fibromyalgia patients: a pilot study	8
Hemodynamic course during ablation and selective hepatic artery embolization for metastatic liver carcinoid: a retrospective observational study	8
The quest for smooth extubation: I banned air from the ETT cuff for good…	8
Association between intraoperative hypotension and postoperative nausea and vomiting: a retrospective analysis of 247 thyroidectomy cases	7
Glucagon-Like Peptide-1 agonists in perioperative medicine: to suspend or not to suspend, that is the question	7
The association of hemoglobin with postoperative delirium and atrial fibrillation after cardiac surgery: a retrospective sub-study	7
Hemodynamic management in liver transplantation: toward an evidence-based perioperative strategy	7
Kidney transplantation and perioperative complications: a prospective cohort study	6
Identification and economic burden of main adverse events of nerve injuries caused by regional anesthesia: a systematic review	6
Predictors of success of immediate tracheal extubation in living donor liver transplantation recipients	6
Assessment of a digital game as a neuropsychological test for postoperative cognitive dysfunction	6
Impact of drains positioning on pulmonary function after coronary artery bypass grafting: an observational study	6
Effects of lidocaine and esmolol on hemodynamic response to tracheal intubation: a randomized clinical trial	6

The antioxidant effect of preischemic dexmedetomidine in a rat model: increased expression of Nrf2/HO-1 via the PKC pathway	6
Comparison of palonosetron and ondansetron in preventing postoperative nausea and vomiting in renal transplantation recipients: a randomized clinical trial	5
Assessment of superior vena cava diameter and collapsibility index in liver transplantation: a prospective observational study	5
Predictive performance of thyromental height for difficult laryngoscopies in adults: a systematic review and meta-analysis	5
Methylene blue as an adjuvant during cardiopulmonary resuscitation: an experimental study in rats	5
Therapeutic ultrasound ameliorates hyperalgesia and edema on CFA-induced persistent inflammatory response in mice	5
Perception of preceptors of medical residency in anesthesiology on their roles in educational activities: a watchful eye	5
Contribution margin per hour of operating room to reallocate unutilized operating room time: a cost-effectiveness analysis	5
Hands-free continuous transthoracic echocardiography and transcranial Doppler using a 3D-printed transducer holder connected to a hydraulic arm	5
Spinal anesthesia for elective cesarean section. Bupivacaine associated with different doses of fentanyl: randomized clinical trial	5
Location of motor branches of tibialis posterior muscle and its relation in treatment of spastic equinovarus foot: a cadaveric study	5
Effectiveness of intracuff alkalinized lidocaine associated with intravenous dexamethasone in reducing laryngotracheal morbidity in children undergoing general anesthesia for tonsillectomy: a randomiz	5
Awake craniotomy for eloquent pial arteriovenous fistula: anesthetic and surgical consideration of a rare case	5
ICERA: Increasing accessibility to medical education through structured international collaboration	5
Ulcer due to prolonged use of high-flow nasal oxygen	5
The effects of dexketoprofen on renal ischemia-reperfusion injury: an experimental study	4
Using submandibular ultrasonography to assess intraoperative changes in the laryngeal anatomic structures: a pilot study	4
Use of software to guide the management of intraoperative hemodynamic instability	4
The effect of gestational age on short- and long-term complications following primary esophageal atresia repair	4
A way forward in pulmonary aspiration incidence reduction: ultrasound, mathematics, and worldwide data collection	4
The overshadowed opioid misuse pandemic	4
Point-of-Care Ultrasonography (POCUS) in obstetric anesthesia fellowship training: survey of North American programs	4
The role of biological sex in neurophysiological associations of patients with chronic osteoarthritis pain: a prospective cross-sectional study	4
Erector spinae plane block for analgesia after cesarean delivery: a systematic review with meta-analysis	4
Ultrasound-guided pericapsular nerve group and obturator nerve phenol neurolysis for refractory inpatient hip cancer metastasis pain: a case report	4
Anesthetic induction and endotracheal intubation in the sitting position due to the fixed forearm caught by a meat grinder	4
Evaluation of ultrasound-guided bilateral low thoracic erector spinae plane block for postoperative analgesia in cesarean delivery patients: a prospective, randomized, controlled clinical trial	4
End-tidal carbon dioxide measurements as a surrogate to arterial carbon dioxide during pediatric laparoscopic surgeries: a prospective observational cohort study	4
Entrapped thrombus in transit	4
Effect of mechanical ventilation during cardiopulmonary bypass on oxidative stress: a randomized clinical trial	4
Association between preoperative anemia optimization and major complications after non-cardiac surgery: a retrospective analysis	4
Implementing a well-being curriculum in anesthesiology residency: insights from a teaching hospital in Brazil	4
An insight to irrigation fluid and increased intraoperative endotracheal tube cuff pressure	4
Comparison of the intubation success rate between the intubating catheter and videolaryngoscope in difficult airways: a prospective randomized trial	4
Assessment of perioperative cognitive disorders in elderly patients undergoing elective surgery	4
Hydroxyethyl starch for perioperative fluid management: a critical appraisal	4
Impact of withholding early antibiotic therapy in nonseptic surgical patients with suspected nosocomial infection: a retrospective cohort analysis	4
Compliance with Enhanced Recovery After Surgery (ERAS) protocol recommendations for bariatric surgery in an obesity treatment center	4
The effect of propofol-sufentanil intravenous anesthesia on systemic and cerebral circulation, cerebral autoregulation and CO2 reactivity: a case series	4
Serum lactate in anhepatic patients and the impact of continuous renal replacement therapy on its clearance: a case series	4
Ultrasound-measured cutaneous-epiglottic distance for predicting difficult laryngoscopy: an observational study	3
Dilated esophagus on a preoperative chest radiograph: an easily missed risk factor for aspiration	3
Apelin-13 reverses bupivacaine-induced cardiotoxicity: an experimental study	3
Perioperative management of immune-mediated necrotizing myositis	3
Reinforcing the valuable role of gastric ultrasound for volume and content assessment: an observational study	3
Hemodynamic outcome of different ventilation modes in laparoscopic surgery with exaggerated trendelenburg: a randomised controlled trial	3
Derivation and validation of a national multicenter mortality risk stratification model – the ExCare model: a study protocol	3
Bradycardia in a pediatric population after sugammadex administration: case series	3
Development and evaluation of an educational comic leaflet for pediatric anesthesia care	3
Evaluation of dexmedetomidine anesthesia-related temperature changes: preliminary retrospective observational study	3

Preoperative fasting for the infusion of “yerba mate”: a randomized clinical trial with ultrasound evaluation of gastric contents	3
A cross-sectional study analyzing the quality of YouTube videos as a source of information for COVID-19 intubation	3
General anesthesia for old Werner syndrome patient: a case report	3
Dexmedetomidine versus sufentanil as adjuvants to bupivacaine for brachial plexus block during upper extremity surgery: a randomized clinical trial	3
The pulmonary artery catheter in modern anesthesiology and intensive care: indications, benefits, and limitations	3
Tension pneumocephalus	3
Analgesic effect of continuous adductor canal block versus continuous femoral nerve block for knee arthroscopic surgery: a randomized trial	3
Circumpsoas block ... an anterior myofascial plane block for lumbar plexus elements: case report	3
Effect of adding clonidine to lidocaine on ocular hemodynamics during sub-Tenon’s anesthesia: randomized double-blind study	3
The impact of emergence delirium on hospital length of stay for children who underwent tonsillectomy/adenotonsillectomy: an observational retrospective study	3
Letter to the Editor commenting on “Efficacy of serratus anterior plane block versus thoracic paravertebral block for postoperative analgesia after breast cancer surgery: a randomized trial”	3
Comparative effects of ciprofol and propofol on perioperative outcomes: a systematic review and meta-analysis of randomized controlled trials	3
Continuous erector spinae plane block for analgesia and better pulmonary functions in patients with multiple rib fractures: a prospective descriptive study	3
An unanticipated case of laryngeal mask failure due to hypopharyngeal mass: a case report	3
Anesthetic management of child with Gitelman Syndrome: case report	3
Safety and effectiveness of adding fentanyl or sufentanil to spinal anesthesia: systematic review and meta-analysis of randomized controlled trials	3
Comparison of the influence of low dose etomidate and propofol as priming dose on the incidence of etomidate induced myoclonus: a randomised, double-blind clinical trial	3
Neuroligins facilitate the development of bone cancer pain via regulating synaptic transmission: an experimental study	3
Impact of colloids or crystalloids in renal function assessed by NGAL and KIM-1 after hysterectomy: randomized controlled trial	3
Incidence of acute kidney injury post cardiac surgery: a comparison of the AKIN and KDIGO criteria	3
A converted spray device for topical pharyngeal anesthesia in awake intubation	3
Assessment of lung ultrasound for early detection of respiratory complications in thoracic surgery	3
Incidence and risk factors of postoperative visual function impairment in elderly patients undergoing nonocular surgery: a prospective cohort study	3
Challenges in surgical and perioperative care for Brazil's aging population	3
Comparative efficacy of perioperative lidocaine infusion versus thoracic epidural analgesia for pain management in abdominal surgery: systematic review and meta-analysis	3
Comparison of intranasal dexmedetomidine versus oral midazolam for premedication in pediatric patients: an updated meta-analysis with trial-sequential analysis	2
The dilemma of choosing obstetrics and anesthesia techniques in a patient with cerebral cavernomatosis: a case report	2
Effect of magnesium sulfate with ketamine infusions on intraoperative and postoperative analgesia in cancer breast surgeries: a randomized double-blind trial	2
Noninvasive intracranial pressure real-time waveform analysis monitor during prostatectomy robotic surgery and Trendelenburg position: case report	2
The impact of introducing a videolaryngoscope in the initial training of laryngoscopy for undergraduate medical students: a simulation randomized trial	2
Cardiopulmonary effects of prolonged surgical abdominal retractors application during general anesthesia: a prospective observational comparative study	2
Efficacy of dexamethasone or clonidine as adjuvants in interscalene brachial plexus block for preventing rebound pain after shoulder surgery: a randomized clinical trial	2
Comparison between intravenous and intrathecal clonidine for postoperative analgesia of patients submitted to laparoscopic cholecystectomy: randomized clinical trial	2
Effect of virtual reality on preoperative anxiety in patients undergoing septorhinoplasty	2
Fluid therapy and pulmonary complications in abdominal surgeries: randomized controlled trial	2
Primary ciliary dyskinesia: a case of complete Kartagener's syndrome in a patient undergoing cesarean section	2
Malignant hyperthermia: new knowledge changing perspectives	2
Anesthesiology and pain medicine	2
The role of right ventricular systolic pressure and ARISCAT score in perioperative pulmonary risk assessment	2
Management of airway obstruction following lidocaine nebulization in a case of tracheal stenosis: case report	2
Conscious sedation versus general anesthesia for transcatheter aortic valve implantation: a retrospective study	2
Venous saturation guided postoperative care for pediatric cardiac surgical patients: the body wants oxygen!	2
The anesthesiologist thoughts on medical residency in anesthesiology in Brazil	2
Assessment of the components of fluid balance in patients with septic shock: a prospective observational study	2
Efficacy of a single dose of esmolol to prevent extubation-related complications during emergence from anesthesia: a randomized, double-blind, placebo-controlled trial	2
Erector spinae plane block versus caudal epidural block in pediatric surgery: a systematic review and meta-analysis of randomized clinical trials	2
Home mechanical ventilation: a narrative review and a proposal of practical approach	2
Analgesic and hemodynamic effects of intravenous infusion of magnesium sulphate versus dexmedetomidine in patients undergoing bilateral inguinal hernial surgeries under spinal anesthesia: a randomized	2
Risk factors for prolonged ventilation in patients undergoing endovascular treatment of unruptured intracranial aneurysm: a retrospective cohort study	2
The influence of sex and level of physical activity on maximum tolerance to mechanical pain	2
Comparison of minimal-flow sevoflurane versus desflurane anesthesia: randomized clinical trial	2
Shaping the future of anesthesia research: celebrating progress and embracing new challenges	2
Posterior quadratus lumborum versus transversus abdominis plane block for inguinal hernia repair: a prospective randomized controlled study	2
Infraclavicular versus costoclavicular approaches to ultrasound-guided brachial plexus block: a systematic review and meta-analysis	2
Dexmedetomidine versus clonidine as an adjuvant to local anaesthetic in brachial plexus blocks: a meta-analysis of randomised controlled trials	2
Goal-directed therapy with continuous SvcO2 monitoring in pediatric cardiac surgery: the PediaSat single-center randomized trial	2
Use of the cardiac power index to predict fluid responsiveness in the prone position: a proof-of-concept study	2
Pudendal nerve block for circumcision of pediatric patient with Pierre Robin Sequence: case report	2
Greening the operating room	2
The effect of robotic surgery on intraocular pressure and optic nerve sheath diameter: a prospective study	2
Erector spinae plane block for urgent pleuroscopy: a possible change in anesthetic approach for high-risk patients	2
Association between telomere length in the DNA of peripheral blood leukocytes and the propofol dose in anesthesia induction: an observational study	2
Sildenafil in endotoxin-induced pulmonary hypertension: an experimental study	2
The effect of preemptive airway pressure release ventilation on patients with high risk for acute respiratory distress syndrome: a randomized controlled trial	2
Implication of AV node blockers in patients with end-stage renal disease undergoing head and neck surgery; BRASH syndrome: a case report	2
Asynchronous differential lung ventilation in a patient with unilateral lung disease undergoing laparoscopic Heller myotomy	2
Medication adherence in treating non-oncologic chronic pain: a problem to solve?	2
Impact of anesthetic technique on troponin I levels in pediatric cardiac surgery: a randomized clinical trial	2
Prevalence and predictors of confirmed infection in patients receiving empiric antimicrobials in the intensive care unit: a retrospective cohort study	2
Intracranial rebleeding post spinal anesthesia in pregnant patient with undiagnosed chronic subdural hematoma: case report	2
End-tidal carbon dioxide-guided extracorporeal cardiopulmonary resuscitation improves neurological prognosis in patients: a single-center retrospective cohort study	2
Exploring the analgesic effects of pregabalin for post-chikungunya arthralgia: a comparative double-blind study	2
The effect of 1-mg versus 3-mg granisetron on shivering and nausea in cesarean section: a randomized, controlled, triple-blind, clinical trial	2
Association of low-dose naltrexone and transcranial direct current stimulation in fibromyalgia: a randomized, double-blinded, parallel clinical trial	2
Efficacy of serratus anterior plane block versus thoracic paravertebral block for postoperative analgesia after breast cancer surgery - a randomized trial	2
Metoprolol for prevention of bucking at orotracheal extubation: a double-blind, placebo-controlled randomised trial	2
Burnout risk among anesthesiology residents in Brazil during the second wave of COVID-19: a cross-sectional survey	2