OOIR: Observatory of International Research

Papers

(The median citation count of Perioperative 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 2020-04-01 to 2024-04-01.)

Article	Citations
Effects of psychological interventions on anxiety and pain in patients undergoing major elective abdominal surgery: a systematic review	39
Preparing previously COVID-19-positive patients for elective surgery: a framework for preoperative evaluation	37
Enhanced recovery after surgery for hip fractures: a systematic review and meta-analysis	26
Incidence and risk factors of postdural puncture headache: prospective cohort study design	26
A prospective cohort study evaluating screening and assessment of six modifiable risk factors in HPB cancer patients and compliance to recommended prehabilitation interventions	25
Recommendations from the Italian intersociety consensus on Perioperative Anesthesa Care in Thoracic surgery (PACTS) part 2: intraoperative and postoperative care	20
Perioperative Quality Initiative (POQI) consensus statement on fundamental concepts in perioperative fluid management: fluid responsiveness and venous capacitance	18
Postoperative urinary retention: risk factors, bladder filling rate and time to catheterization: an observational study as part of a randomized controlled trial	18
Functional performance and 30-day postoperative mortality after emergency laparotomy—a retrospective, multicenter, observational cohort study of 1084 patients	17
Chronic pain after breast surgery: incidence, associated factors, and impact on quality of life, an observational prospective study	17
The effects of neoadjuvant chemoradiotherapy and an in-hospital exercise training programme on physical fitness and quality of life in locally advanced rectal cancer patients: a randomised controlled	17
Screening, assessment and management of perioperative malnutrition: a survey of UK practice	16
Goal-directed haemodynamic therapy (GDHT) in surgical patients: systematic review and meta-analysis of the impact of GDHT on post-operative pulmonary complications	16
A guide for pre-procedural imaging for transcatheter aortic valve replacement patients	15
Markedly increased risk of postoperative bleeding complications during perioperative bridging anticoagulation in general and visceral surgery	14
Objectively measured preoperative physical activity is associated with time to functional recovery after hepato-pancreato-biliary cancer surgery: a pilot study	13
Perioperative risk factors for recovery room delirium after elective non-cardiovascular surgery under general anaesthesia	13
Impact of early postoperative oral nutritional supplement utilization on clinical outcomes in colorectal surgery	13
The association between low pre-operative step count and adverse post-operative outcomes in older patients undergoing colorectal cancer surgery	13
Can technology optimise the pre-operative pathway for elective hip and knee replacement surgery: a qualitative study	12
Postoperative decrease of albumin (ΔAlb) as early predictor of complications after gastrointestinal surgery: a systematic review	12
Hyperspectral imaging for perioperative monitoring of microcirculatory tissue oxygenation and tissue water content in pancreatic surgery — an observational clinical pilot study	12
Recommendations from the Italian intersociety consensus on Perioperative Anesthesia Care in Thoracic surgery (PACTS) part 1: preadmission and preoperative care	11
Patient experience of health and care when undergoing colorectal surgery within the ERAS program	11
Feasibility of a tele-prehabilitation program in high-risk patients with colon or rectal cancer undergoing elective surgery: a feasibility study	11

The impact of preoperative systemic inflammation on the efficacy of intravenous iron infusion to correct anaemia prior to surgery for colorectal cancer	10
Opioid-free anesthesia—caution for a one-size-fits-all approach	10
Clinical physiology aspects of chloremia in fluid therapy: a systematic review	8
Improving agreement of ASA physical status class between pre-anesthesia screening and day of surgery by adding institutional-specific and ASA-approved examples: a quality improvement project	8
Prevalence of IgM and IgG antibodies to SARS-CoV-2 in health care workers at a tertiary care New York hospital during the Spring COVID-19 surge	8
Influence of sugammadex versus neostigmine for neuromuscular block reversal on the incidence of postoperative pulmonary complications: a meta-analysis of randomized controlled trials	7
The need for post-operative vasopressor infusions after major gynae-oncologic surgery within an ERAS (Enhanced Recovery After Surgery) pathway	7
External validation of the Surgical Outcome Risk Tool (SORT) in 3305 abdominal surgery patients in the independent sector in the UK	7
Feasibility of setting up a pre-operative optimisation ‘pre-hab’ service for lung cancer surgery in the UK	7
Effect of posture on pulmonary function and oxygenation after fast-tracking video-assisted thoracoscopic surgery (VATS) lobectomy: a prospective pilot study	7
What is the impact of dexamethasone on postoperative pain in adults undergoing general anaesthesia for elective abdominal surgery: a systematic review and meta-analysis	7
Can wearable technology be used to approximate cardiopulmonary exercise testing metrics?	7
Emergency Laparotomy Follow-Up Study (ELFUS): prospective feasibility investigation into postoperative complications and quality of life using patient-reported outcome measures up to a year after emer	7
Utility of NT-proBNP as an objective marker of postoperative heart failure after coronary artery bypass surgery: a prospective observational study	6
Impact on grafted kidney function of rocuronium-sugammadex vs cisatracurium-neostigmine strategy for neuromuscular block management. An Italian single-center, 2014-2017 retrospective cohort case-contr	6
Prevalence, risk factors, and complications associated with hyponatraemia following elective primary hip and knee arthroplasty	6
The association between residual neuromuscular blockade (RNMB) and critical respiratory events: a prospective cohort study	6
The effect of systemic lidocaine on post-operative opioid consumption in ambulatory surgical patients: a meta-analysis of randomized controlled trials	6
Perioperative digital behaviour change interventions for reducing alcohol consumption, improving dietary intake, increasing physical activity and smoking cessation: a scoping review	6
Why women are not small men: sex-related differences in perioperative cardiopulmonary exercise testing	6
Postoperative visits by dedicated anesthesiologists in patients with elevated troponin: a retrospective cohort study evaluating postoperative care utility and early detection of complications	6
Prehabilitation in high-risk patients scheduled for major abdominal cancer surgery: a feasibility study	6
Electroencephalography-demonstrated mechanisms of dexmedetomidine-mediated deepening of propofol anesthesia: an observational study	5
Comparison of the TOFscan and the TOF-Watch SX during pediatric neuromuscular function recovery: a prospective observational study	5
Early oral protein-containing diets following elective lower gastrointestinal tract surgery in adults: a meta-analysis of randomized clinical trials	5
Ultrasound-guided transversus thoracic muscle plane-pectoral nerve block for postoperative analgesia after modified radical mastectomy: a comparison with the thoracic paravertebral nerve block	5
Risk factors and outcomes associated with postoperative ileus following ileostomy formation: a retrospective study	5
A U.S. survey of pre-operative carbohydrate-containing beverage use in colorectal enhanced recovery after surgery (ERAS) programs	5
Utility and reliability of the Clinical Frailty Scale in patients scheduled for major vascular surgery: a prospective, observational, multicentre observer-blinded study	5
Types of surgical patients enrolled in enhanced recovery after surgery (ERAS) programs in the USA	5
Optimising remote site airway management kit dump using the SCRAM bag—a randomised controlled trial	5
The association between preoperative Mini-Cog© score and postoperative delirium (POD): a retrospective cohort study	5
Do ARISCAT scores help to predict the incidence of postoperative pulmonary complications in elderly patients after upper abdominal surgery? An observational study at a single university hospital	5
Clinical covariates that improve surgical risk prediction and guide targeted prehabilitation: an exploratory, retrospective cohort study of major colorectal cancer surgery patients evaluated with preo	5
Meta-analysis of AKI to CKD transition in perioperative patients	5
The effect of adding goal-directed hemodynamic management for elective patients in an established enhanced recovery program for colorectal surgery: results of quasi-experimental pragmatic trial	4
The need for nutritional assessment and interventions based on the prognostic nutritional index for patients with femoral fractures: a retrospective study	4
Enhanced recovery after surgery protocol and postoperative opioid prescribing for cesarean delivery: an interrupted time series analysis	4
Comparison of restrictive fluid therapy with goal-directed fluid therapy for postoperative delirium in patients undergoing spine surgery: a randomized controlled trial	4
A comparison of ClearSight noninvasive cardiac output and pulmonary artery bolus thermodilution cardiac output in cardiac surgery patients	4
Mortality and associated risk factors in perioperative acute kidney injury treated with continuous renal replacement therapy	4
Hydroxyethyl starch 130/0.4 for volume replacement therapy in surgical patients: a systematic review and meta-analysis of randomized controlled trials	4
The efficacy of computer-assisted cognitive behavioral therapy (cCBT) on psychobiological responses and perioperative outcomes in patients undergoing functional endoscopic sinus surgery: a randomized	4
Pain and haemorrhage are the most common reasons for emergency department use and hospital admission in adults following ambulatory surgery: results of a population-based cohort study	4
Incidence of intraoperative hypotension during non-cardiac surgery in community anesthesia practice: a retrospective observational analysis	4
Patient-health care provider relationship during preoperative care in obstetric and gynecologic surgeries at Jimma Medical Center, Jimma, Ethiopia: patient’s perspective	4
The influence of fasting and carbohydrate-enriched drink administration on body water amount and distribution: a volunteer randomized study	4
Prevalence of preoperative anxiety among hospitalized patients in a developing country: a study of associated factors	4
Barriers and facilitators of following perioperative internal medicine recommendations by surgical teams: a sequential, explanatory mixed-methods study	4
Effect of sedative premedication with oral midazolam on postanesthesia care unit delirium in older adults: a secondary analysis following an uncontrolled before-after design	4

The effect of opioid-sparing anesthesia regimen on short-term cognitive function after thoracoscopic surgery: a prospective cohort study	3
Using provider-focused education toolkits can aid enhanced recovery programs to further reduce patient exposure to opioids	3
Can a deep learning model based on intraoperative time-series monitoring data predict post-hysterectomy quality of recovery?	3
The efficacy and safety of antimuscarinics for the prevention or treatment of catheter-related bladder discomfort: a systematic review and meta-analysis of randomized controlled trials	3
Association between preoperative serum homocysteine and delayed neurocognitive recovery after non-cardiac surgery in elderly patients: a prospective observational study	3
Development of a preoperative risk score on admission in surgical intermediate care unit in gastrointestinal cancer surgery	3
New surgical realities: implementation of an enhanced recovery after surgery protocol for gynecological laparoscopy—a prospective study	3
Effect of goal-directed haemodynamic therapy guided by non-invasive monitoring on perioperative complications in elderly hip fracture patients within an enhanced recovery pathway	3
Effect of age and gender on pre-operative cardiovascular risk assessment	3
The prevalence of perioperative iron deficiency anaemia in women undergoing caesarean section—a retrospective cohort study	3
The Marsden Morbidity Index: the derivation and validation of a simple risk index scoring system using cardiopulmonary exercise testing variables to predict morbidity in high-risk patients having majo	3
Preparing for participation in the centers for Medicare and Medicaid Services’ bundle care payment initiative—advanced for major bowel surgery	3
Reporting quality of randomized controlled trials in prehabilitation: a scoping review	3
Analgesic effect of iliopsoas plane block for hip fracture	3
The relationship between fear of surgery and affecting factors in surgical patients	3
The hidden secrets of a neutral pH—blood gas analysis of postoperative patients according to the Stewart approach	3
The Perioperative Quality Improvement Programme (PQIP patient study): protocol for a UK multicentre, prospective cohort study to measure quality of care and outcomes after major surgery	3
Perioperative fluid administration and complications in emergency gastrointestinal surgery—an observational study	3
Surgery school—who, what, when, and how: results of a national survey of multidisciplinary teams delivering group preoperative education	3
Frequency and costs of low-value preoperative tests for patients undergoing low-risk procedures in the veterans health administration	3
High-flow nasal oxygenation reduces the risk of desaturation in adults receiving procedural sedation: a meta-analysis of randomized controlled trials	3
Clinical characteristics and allergen detection of perioperative anaphylaxis: a 12-year retrospective analysis from an anesthesia clinic in China	3
Preoperative anxiety as predictor of perioperative clinical events following carotid surgery: a prospective observational study	3
Favorable effect of enhanced recovery programs on post-discharge mortality: a French nationwide study	3
Controversies in enhanced recovery after cardiac surgery	2
In-hospital mortality of patients requiring unplanned postoperative ventilatory support: a multicenter observational study	2
A preoperative ultrasound-based protocol for optimisation of fluid therapy to prevent early intraoperative hypotension: a randomised controlled study	2
Deep neuromuscular block reduces the incidence of intra-operative complications during laparoscopic donor nephrectomy: a pooled analysis of randomized controlled trials	2
Comparison of different scales for the evaluation of anxiety and compliance with anesthetic induction in children undergoing scheduled major outpatient surgery	2
Ultrasound-accelerated thrombolysis in high-risk perioperative pulmonary embolism: two case reports and review of literature	2
Treatment of iron deficiency in patients scheduled for pancreatic surgery: implications for daily prehabilitation practice in pancreatic surgery	2
Influences of remote ischemic preconditioning on postoperative delirium and cognitive dysfunction in adults after cardiac surgery: a meta-analysis of randomized controlled trials	2
Documentation of individualized preoperative risk assessment: a multi-center study	2
Residual gastric volume after 3 h of the ingestion of an oral supplement containing carbohydrates alone or associated with whey protein: a randomized crossover pilot study	2
Effect of the preoperative physical status on postoperative nausea and vomiting risk: a matched cohort study	2
Knowledge of surgical informed consent and associated factors among patients undergone obstetric and gynecologic surgery at Jimma Medical Center, Jimma, Ethiopia, 2020: an institutional based cross-se	2
Risk factors for postoperative cognitive dysfunction in elderly patients undergoing surgery for oral malignancies	2
Evaluating enhanced recovery after surgery: time to cover new ground and discover the missing patient voice	2
A protocol for prospective observational study to determine if non-anaemic iron deficiency worsens postoperative outcome in adult patients undergoing elective cardiac surgery: the IDOCS study	2
Effects of preoperative physiotherapy on signs and symptoms of pulmonary collapse and infection after major abdominal surgery: secondary analysis of the LIPPSMAck-POP multicentre randomised controlled	2
Preoperative communication between anaesthetists and patients with obesity regarding perioperative risks and weight management: a structured narrative review	2
Adherence to published guidelines for perioperative care of the elderly: a survey of Scottish anaesthetic departments	1
Non-intubated deep paralysis: a new anaesthesia strategy for vocal cord polypectomy	1
Postoperative fasting is associated with longer ICU stay in oncologic patients undergoing elective surgery	1
A scoping review of local quality improvement using data from UK perioperative National Clinical Audits	1
Effect of chamomile intake on blood coagulation tests in healthy volunteers: a randomized, placebo-controlled, crossover trial	1
The impact of preoperative malnutrition on postoperative delirium: a systematic review and meta-analysis	1
The safety of perioperative dexamethasone with antiemetic dosage in surgical patients with diabetes mellitus: a systematic review and meta-analysis	1
Distribution of crystalloid fluid infused during onset of anesthesia-induced hypotension: a retrospective population kinetic analysis	1
Prehabilitation for patients with colorectal cancer: a snapshot of current daily practice in Dutch hospitals	1
Early postoperative serum aspartate aminotransferase for prediction of post-hepatectomy liver failure	1
Limited impact of a top-down approach to improve enhanced recovery programme in French university hospitals: a before-after retrospective survey	1
Fear of anesthesia for cesarean section among pregnant women: a multicenter cross-sectional study	1
Perioperative use of serum creatinine and postoperative acute kidney injury: a single-centre, observational retrospective study to explore physicians’ perception and practice	1
The effect of newly designed dual-channel elastomeric pump for intravenous patient-controlled analgesia after total laparoscopic hysterectomy: a randomized, double-blind, prospective study	1
Assessing needs of patients and families during the perioperative period at King Abdullah Medical City	1
Psychological distress among elderly surgical patients who had their surgery postponed during the COVID-19 pandemic	1
The effect of the family presence on anxiety and agitation of patients under mechanical ventilation after open heart surgery: a randomized clinical trial	1
The potential for artificial intelligence to predict clinical outcomes in patients who have acquired acute kidney injury during the perioperative period	1
5-HT3 receptor antagonists decrease the prevalence of postoperative delirium in older patients undergoing orthopedic lower limb surgery	1
A comparative study on the effect of dopamine vs phenylephrine in improving the cutaneous analgesic effect of mexiletine in rats	1
The association of multimodal analgesia and high-risk opioid discharge prescriptions in opioid-naive surgical patients	1
Does application of honey improve surgical outcome in pilonidal cyst excision with secondary intention healing? A prospective randomized placebo-controlled clinical trial	1
Readmissions after elective orthopedic surgery in a comprehensive co-management care system—a retrospective analysis	1
Comparison of two handgrip dynamometers in older adults before elective surgery	1
Beyond guideline knowledge: a theory-based qualitative study of low-value preoperative testing	1
Anesthetic management of a huge retroperitoneal leiomyoma: a case report	1
Intraoperative mild hyperoxia may be associated with improved survival after off-pump coronary artery bypass grafting: a retrospective observational study	1
Effects of ramosetron orally disintegrating tablets on the prophylaxis of post-discharge nausea and/or vomiting in female patients undergoing day surgery under general anesthesia: a randomized control	1
Restrictive versus conventional ward fluid therapy in non-cardiac surgery patients and the effect on postoperative complications: a meta-analysis	1
The effect of intraoperative goal-directed fluid therapy combined with enhanced recovery after surgery program on postoperative complications in elderly patients undergoing thoracoscopic pulmonary res	1
An algorithm based on the postoperative decrease of albumin (ΔAlb) to anticipate complications after liver surgery	1
Perioperative redox changes in patients undergoing hepato-pancreatico-biliary cancer surgery	1
High-flow nasal oxygen vs. standard oxygen therapy for patients undergoing transcatheter aortic valve replacement with conscious sedation: a randomised controlled trial	1
Review of cancer therapies for the perioperative physician	1
Efficacy of remote ischaemic preconditioning on outcomes following non-cardiac non-vascular surgery: a systematic review and meta-analysis	1