OOIR: Observatory of International Research

Papers

(The TQCC of Perioperative Medicine is 4. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Effects of psychological interventions on anxiety and pain in patients undergoing major elective abdominal surgery: a systematic review	46
Preparing previously COVID-19-positive patients for elective surgery: a framework for preoperative evaluation	40
Incidence and risk factors of postdural puncture headache: prospective cohort study design	31
A prospective cohort study evaluating screening and assessment of six modifiable risk factors in HPB cancer patients and compliance to recommended prehabilitation interventions	27
Enhanced recovery after surgery for hip fractures: a systematic review and meta-analysis	26
Postoperative urinary retention: risk factors, bladder filling rate and time to catheterization: an observational study as part of a randomized controlled trial	22
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	20
Screening, assessment and management of perioperative malnutrition: a survey of UK practice	19
Markedly increased risk of postoperative bleeding complications during perioperative bridging anticoagulation in general and visceral surgery	19
Chronic pain after breast surgery: incidence, associated factors, and impact on quality of life, an observational prospective study	18
Feasibility of a tele-prehabilitation program in high-risk patients with colon or rectal cancer undergoing elective surgery: a feasibility study	17
A guide for pre-procedural imaging for transcatheter aortic valve replacement patients	16
Postoperative decrease of albumin (ΔAlb) as early predictor of complications after gastrointestinal surgery: a systematic review	16
Can technology optimise the pre-operative pathway for elective hip and knee replacement surgery: a qualitative study	15
Perioperative risk factors for recovery room delirium after elective non-cardiovascular surgery under general anaesthesia	14
Hyperspectral imaging for perioperative monitoring of microcirculatory tissue oxygenation and tissue water content in pancreatic surgery — an observational clinical pilot study	14
The relationship between fear of surgery and affecting factors in surgical patients	13
Objectively measured preoperative physical activity is associated with time to functional recovery after hepato-pancreato-biliary cancer surgery: a pilot study	13
Clinical physiology aspects of chloremia in fluid therapy: a systematic review	12
Recommendations from the Italian intersociety consensus on Perioperative Anesthesia Care in Thoracic surgery (PACTS) part 1: preadmission and preoperative care	12
What is the impact of dexamethasone on postoperative pain in adults undergoing general anaesthesia for elective abdominal surgery: a systematic review and meta-analysis	12
Can wearable technology be used to approximate cardiopulmonary exercise testing metrics?	10
Prehabilitation in high-risk patients scheduled for major abdominal cancer surgery: a feasibility study	10
The association between residual neuromuscular blockade (RNMB) and critical respiratory events: a prospective cohort study	9
Incidence of intraoperative hypotension during non-cardiac surgery in community anesthesia practice: a retrospective observational analysis	9

Utility and reliability of the Clinical Frailty Scale in patients scheduled for major vascular surgery: a prospective, observational, multicentre observer-blinded study	9
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	9
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	9
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	9
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	9
Meta-analysis of AKI to CKD transition in perioperative patients	8
Effect of posture on pulmonary function and oxygenation after fast-tracking video-assisted thoracoscopic surgery (VATS) lobectomy: a prospective pilot study	8
External validation of the Surgical Outcome Risk Tool (SORT) in 3305 abdominal surgery patients in the independent sector in the UK	8
Effect of sedative premedication with oral midazolam on postanesthesia care unit delirium in older adults: a secondary analysis following an uncontrolled before-after design	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
Perioperative glycemic management in adults presenting for elective cardiac and non-cardiac surgery	7
Ultrasound-guided transversus thoracic muscle plane-pectoral nerve block for postoperative analgesia after modified radical mastectomy: a comparison with the thoracic paravertebral nerve block	7
The effect of systemic lidocaine on post-operative opioid consumption in ambulatory surgical patients: a meta-analysis of randomized controlled trials	7
Perioperative digital behaviour change interventions for reducing alcohol consumption, improving dietary intake, increasing physical activity and smoking cessation: a scoping review	7
Favorable effect of enhanced recovery programs on post-discharge mortality: a French nationwide study	7
Comparison of restrictive fluid therapy with goal-directed fluid therapy for postoperative delirium in patients undergoing spine surgery: a randomized controlled trial	7
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	6
Comparison of the TOFscan and the TOF-Watch SX during pediatric neuromuscular function recovery: a prospective observational study	6
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
A U.S. survey of pre-operative carbohydrate-containing beverage use in colorectal enhanced recovery after surgery (ERAS) programs	6
Prevalence, risk factors, and complications associated with hyponatraemia following elective primary hip and knee arthroplasty	6
Early oral protein-containing diets following elective lower gastrointestinal tract surgery in adults: a meta-analysis of randomized clinical trials	6
Risk factors and outcomes associated with postoperative ileus following ileostomy formation: a retrospective study	6
Reporting quality of randomized controlled trials in prehabilitation: a scoping review	6
Prevalence of preoperative anxiety among hospitalized patients in a developing country: a study of associated factors	6
A comparison of ClearSight noninvasive cardiac output and pulmonary artery bolus thermodilution cardiac output in cardiac surgery patients	6
Surgery school—who, what, when, and how: results of a national survey of multidisciplinary teams delivering group preoperative education	5
Mortality and associated risk factors in perioperative acute kidney injury treated with continuous renal replacement therapy	5
Electroencephalography-demonstrated mechanisms of dexmedetomidine-mediated deepening of propofol anesthesia: an observational study	5
The need for nutritional assessment and interventions based on the prognostic nutritional index for patients with femoral fractures: a retrospective study	5
Enhanced recovery after surgery protocol and postoperative opioid prescribing for cesarean delivery: an interrupted time series analysis	5
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	5
High-flow nasal oxygenation reduces the risk of desaturation in adults receiving procedural sedation: a meta-analysis of randomized controlled trials	5
The association between preoperative Mini-Cog© score and postoperative delirium (POD): a retrospective cohort study	5
New surgical realities: implementation of an enhanced recovery after surgery protocol for gynecological laparoscopy—a prospective study	5
The impact of preoperative malnutrition on postoperative delirium: a systematic review and meta-analysis	5
Types of surgical patients enrolled in enhanced recovery after surgery (ERAS) programs in the USA	5
Perioperative mortality of emergency and elective surgical patients in a low-income country: a single institution experience	5
Prediction of mortality in secondary peritonitis: a prospective study comparing p-POSSUM, Mannheim Peritonitis Index, and Jabalpur Peritonitis Index	5
Perioperative fluid administration and complications in emergency gastrointestinal surgery—an observational study	5
The influence of fasting and carbohydrate-enriched drink administration on body water amount and distribution: a volunteer randomized study	5
Hydroxyethyl starch 130/0.4 for volume replacement therapy in surgical patients: a systematic review and meta-analysis of randomized controlled trials	5
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	5
The effect of opioid-sparing anesthesia regimen on short-term cognitive function after thoracoscopic surgery: a prospective cohort study	5
Barriers and facilitators of following perioperative internal medicine recommendations by surgical teams: a sequential, explanatory mixed-methods study	5
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	4
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 hidden secrets of a neutral pH—blood gas analysis of postoperative patients according to the Stewart approach	4
Efficacy and safety of perioperative use of non-steroidal anti-inflammatory drugs for preemptive analgesia in lumbar spine surgery: a systematic review and meta-analysis	4

Clinical characteristics and allergen detection of perioperative anaphylaxis: a 12-year retrospective analysis from an anesthesia clinic in China	4
Association between preoperative serum homocysteine and delayed neurocognitive recovery after non-cardiac surgery in elderly patients: a prospective observational study	4
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	4
Comparison of two handgrip dynamometers in older adults before elective surgery	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 efficacy of computer-assisted cognitive behavioral therapy (cCBT) on psychobiological responses and perioperative outcomes in patients undergoing functional endoscopic sinus surgery: a randomized	4
Comparison of different scales for the evaluation of anxiety and compliance with anesthetic induction in children undergoing scheduled major outpatient surgery	4