CurrentAnesthesia — Perioperative medicine & outcomes

Association of a Liberal Fasting Policy of Clear Fluids Before Surgery With Fasting Duration and Patient Well-being and Safety

2026-10-28T04:49:16.800Z

Research article · JAMA Surg, 2023. Change in fasting duration: Estimated fasting duration decrease after implementation of the liberal policy (time series analysis), hours (IQR, 1:36-7:22; P < .001) 3:07

Comparison of Postoperative Outcomes of Laparoscopic vs Open Inguinal Hernia Repair

2026-10-28T04:49:16.800Z

Cohort study · JAMA Surg, 2023. Postoperative complications and operative time — Laparoscopic vs Open general: difference in postoperative complications -0.15% (95% CI -0.39 to 0.09); P = .22; nonsignificant reduction

Electroacupuncture vs Sham Electroacupuncture in the Treatment of Postoperative Ileus After Laparoscopic Surgery for Colorectal Cancer: A Multicenter, Randomized Clinical Trial

2026-10-28T04:49:16.800Z

Randomised controlled trial · JAMA Surg, 2023. Time to first defecation: EA median 76.4 (IQR 67.6-96.8) hours · SA median 90.0 (IQR 73.6-100.3) hours

Association Between Naloxone Coprescription Mandates and Postoperative Outcomes

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2023. ED visit or hospital admission, 30 postoperative days: No significant association between naloxone prescribing mandates and the primary outcomes

Association of Kidney Function With Major Postoperative Events After Noncardiac Ambulatory Surgeries: A Population-Based Cohort Study

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2023. Death or AMI, 30 days — G3a vs G1-2: aOR 1.1 (95% CI 1.0-1.3)

Development and Validation of an Electronic Health Record-based Score for Triage to Perioperative Medicine

2026-10-28T04:46:28.518Z

Diagnostic or prognostic study · Ann Surg, 2021. Discrimination for post-operative morbidity (AUC): CAST: AUC 0.75 · Surgeon's complexity designation: AUC 0.63 · ASA: AUC 0.65

Enhanced Recovery Protocols Reduce Mortality Across Eight Surgical Specialties at Academic and University-affiliated Community Hospitals

2026-10-28T04:46:28.518Z

Case-control study · Ann Surg, 2020. Mortality: 30-day mortality: ERP 0.2% vs control 0.6% (P = 0.002)

Impact of Preoperative Immunonutrition on the Outcomes of Colon Cancer Surgery: Results from a Randomized Controlled Trial

2026-10-28T04:46:28.518Z

Randomised controlled trial · Ann Surg, 2021. Rate of infectious complications: Immunonutrition 17.7% · Normal diet 15.9%

Implementation of a Surgical Critical Care Service Reduces Failure to Rescue in Emergency Gastrointestinal Surgery in Rural Kenya

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2021. FTR rate: No SCCS 36.8% (95% CI 26.7%-47.8%) · SCCS 21.8% (95% CI 13.2%-32.6%)

Improved Preoperative Risk Assessment Tools Are Needed to Guide Informed Decision Making before Esophagectomy

2026-10-28T04:46:28.518Z

Diagnostic or prognostic study · Ann Surg, 2020. Discrimination of complications (C-index): SRC C-index 0.553; C-index, open esophagectomy 0.569; C-index, minimally invasive esophagectomy 0.542 · Frailty index C-index 0.513; C-index, serious complication 0.523; C-index, readmission 0.559

Inter-Rater Agreement of the Classification of Intraoperative Adverse Events (ClassIntra) in Abdominal Surgery

2026-10-28T04:46:28.518Z

Secondary analysis · Ann Surg, 2023. Inter-rater agreement of ClassIntra grades (Cohen kappa): Cohen kappa coefficient for ClassIntra grades, 95% CI 0.84-0.90 0.87

Lifestyle Optimization Leads to Superior Liver Regeneration in Live Liver Donors and Decreases Early Allograft Dysfunction in Recipients: A Randomized Control Trial

2026-10-28T04:46:28.518Z

Randomised controlled trial · Ann Surg, 2023. Day of normalization of serum bilirubin and PT-INR; percentage liver growth, POD 7 and 14 — Intervention vs Control; P =0.005; day of normalization of bilirubin, less in intervention

Low Preoperative Serum Creatinine is Common and Associated With Poor Outcomes After Nonemergent Inpatient Surgery

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2022. 30-day mortality and major complications — Males ≤0.44 vs Males 0.85 to 1.04: aOR (mortality) 1.55 (95% CI 1.29-1.86)

Objective Activity Parameters Track Patient-specific Physical Recovery Trajectories After Surgery and Link With Individual Preoperative Immune States

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2021. Whether accelerometry-derived objective physical parameters accurately track patient-specific physical recovery profiles, vs benchmark metrics incl. step count, and link with preoperative immune state: Patient-specific temporal patterns of physical function derived with precision superior to benchmark metrics

Optimal Timing of Perioperative Chemoprophylaxis in Patients With High Thromboembolic Risk Undergoing Major Abdominal Surgery: A Multicenter Cohort Study

2026-10-28T04:46:28.518Z

Meta-analysis · Ann Surg, 2022. Clinical VTE, <30 days postsurgery: Early 0.7% · Postop 0.7%

Postoperative Overtriage to an Intensive Care Unit Is Associated With Low Value of Care

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2022. Value of care: Overtriage 2.9 (range 2.0-4.0) · Controls 24.2 (range 14.1-34.5)

Preoperative Heart Failure Treatment Prevents Postoperative Cardiac Complications in Patients With Lower Risk: A Retrospective Cohort Study

2026-10-28T04:46:28.518Z

Cohort study · Ann Surg, 2021. Cardiac complications (composite of MI, cardiac arrest, acute HF and mortality), 30 postoperative days: Heart failure 8.1% · No heart failure 1.1%

Routine Postsurgical Anesthesia Visit to Improve 30-day Morbidity and Mortality: A Multicenter, Stepped-wedge Cluster Randomized Interventional Study (The TRACE Study)

2026-10-28T04:46:28.518Z

Randomised controlled trial · Ann Surg, 2021. 30-day mortality, 30 days: Control 14 (0.56%) · Intervention 12 (0.44%)

Association Between Preoperative Diabetes Control and Postoperative Adverse Events Among Veterans Health Administration Patients With Diabetes Who Underwent Elective Ambulatory Hernia Surgery

2026-10-28T04:44:26.953Z

Cohort study · JAMA Netw Open, 2023. Postoperative adverse events

Clinical Outcomes and Hospital Utilization Among Patients Undergoing Bariatric Surgery With Telemedicine Preoperative Care

2026-10-28T04:44:26.953Z

Cohort study · JAMA Netw Open, 2023. Clinical outcomes (operating room delay, procedure duration, LOS, MAE) and hospital utilization (ED visit or readmission within 30 days): Operating room delay, minutes: Telemedicine mean 7.8 (SD 25.1; 95% CI 5.1-10.5) vs Control 4.2 (SD 11.1; 95% CI 1.0-7.4); noninferior P = .002

Patient Characteristics Associated With Occurrence of Preoperative Goals-of-Care Conversations

2026-10-28T04:44:26.953Z

Cross-sectional study · JAMA Netw Open, 2023. Preoperative LST note completion (covariate-adjusted) — CAN score ≥80 vs CAN score <80: OR 1.29 (95% CI 1.09-1.53); covariate-adjusted

Anticholinergic Drug Burden and Postoperative Delirium: A Systematic Review and Meta-Analysis

2026-10-28T04:35:18.259Z

Meta-analysis · Anaesth Crit Care Pain Med, 2026.

Observational study for perioperative intensive care unit (OPICU): Planned and unplanned ICU admissions, follow-up, discharge, and outcomes

2026-10-28T04:35:18.259Z

Cohort study · J Clin Anesth, 2026.

Development and External Validation of the International Early Warning Score for Improved Age- and Sex-Adjusted In-Hospital Mortality Prediction in the Emergency Department

2026-10-28T04:21:38.918Z

Diagnostic or prognostic study · Crit Care Med, 2023. In-hospital mortality prediction, AUC: IEWS: AUC (NEED) 0.89 (95% CI 0.89-0.90); AUC (DMC, external validation) 0.87 (0.85-0.88) · NEWS: AUC (NEED) 0.82 (95% CI 0.82-0.83); AUC (DMC, external validation) 0.82 (0.80-0.84)

External Validation and Comparison of a General Ward Deterioration Index Between Diversely Different Health Systems

2026-10-28T04:21:38.918Z

Diagnostic or prognostic study · Crit Care Med, 2023. PICTURE performance: First hospital: AUROC 0.870 (95% CI, 0.861-0.878); Area under the precision-recall curve (AUPRC) 0.298 (95% CI, 0.275-0.320) · Second hospital: AUROC 0.875 (0.851-0.902); AUPRC 0.339 (0.281-0.398)

Perioperative changes in fluid distribution and haemodynamics in acute high-risk abdominal surgery

2026-10-28T04:14:48.087Z

Cohort study · Crit Care, 2023. Fluid distribution, hydration status and preload dependency, 0 to 120 h: Progressive increase in fluid balance and extracellular volume, irrespective of surgical diagnosis

Excess mortality among non-COVID-19 surgical patients attributable to the exposure of French intensive and intermediate care units to the pandemic

2026-10-28T04:13:06.971Z

Cohort study · Intensive Care Med, 2023. In-hospital mortality, first semester 2020, first semester of 2020 — High exposure vs Low-or-no exposure: adjusted ratio of ORs 1.56 (95% CI 1.34-1.81); triple-difference

Associations of an eye-tracking task and pupillary metrics with age and ASA physical status score in a preoperative cohort

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2023. Associations with age, ASA and VPC score: Age vs ASA physical status (Mann-Whitney U) p < 0.0001

Comparing the effects of continuous positive airway pressure via mask or helmet interface on oxygenation and pulmonary complications after major abdominal surgery: a randomized trial

2026-10-28T04:08:44.882Z

Randomised controlled trial · J Clin Monit Comput, 2022. Oxygenation (PaO2/FIO2), 6 h, 12 h, 18 h postoperatively: Oxygenation did not differ between the groups at 6 h, 12 h or 18 h p = 0.1, 0.08, and 0.67, respectively

Do higher alarm thresholds for arterial blood pressure lead to less perioperative hypotension? A retrospective, observational cohort study

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2022. Proportion of MAP values below 65 mmHg: Group 1 mean 6.05% · Group 2 mean 5.99%

Effects of tidal volume challenge on the reliability of plethysmography variability index in hepatobiliary and pancreatic surgeries: a prospective interventional study

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2023. Prediction of fluid responsiveness: ΔPVI6-8: AUC 0.86 (95% CI 0.76-0.96), P < 0.001; sensitivity 95%; specificity 68%; best cut-off (absolute change) 2.5%

Evaluation of a wrist-worn photoplethysmography monitor for heart rate variability estimation in patients recovering from laparoscopic colon resection

2026-10-28T04:08:44.882Z

Diagnostic or prognostic study · J Clin Monit Comput, 2022. Beat-to-beat interval accuracy and HRV parameter relative mean absolute error (MAE): Wrist PPG: Beat-to-beat mean error (ME) - 1.34 ms; Beat-to-beat MAE 10.4 ms; SDNN relative MAE 9.11%; TRI relative MAE 11.4%; TINN relative MAE 11.1%; RMSSD relative MAE 34.3%; pNN50 relative MAE 139%; NN50 relative MAE 188%; SD2 relative error 7.5%; DFA α1 relative error 8.25%; DFA α2 relative error 4.71%; SD1 relative error 34.3%

Lung ultrasound for evaluating perioperative atelectasis and aeration in the post-anesthesia care unit

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2023. Atelectasis on lung ultrasound in PACU, 5 min after PACU admission: Atelectasis in ≥1 of 12 segments 32 (34%)

Preoperative cerebral oxygenation in high-risk noncardiac surgical patients: an observational study on postoperative mortality and complications

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2023. 30-day mortality, 30 days: Died within 30 postoperative days 6 (4.76%)

Real-world outcomes of the hypotension prediction index in the management of intraoperative hypotension during non-cardiac surgery: a retrospective clinical study

2026-10-28T04:08:44.882Z

Cohort study · J Clin Monit Comput, 2022. Time-weighted average of hypotension for MAP < 65 mmHg (TWAMAP<65): HPI 0.09 (range 0-0.48) mmHg · GDFT 0.23 (range 0.01 to 0.97) mmHg

Safety profile of a multimodal fail-safe model to minimize postoperative complications in oncologic colorectal resections—a cohort study

2026-10-28T04:07:54.068Z

Cohort study · Perioper Med (Lond), 2023. Major complications (Dindo-Clavien grade IIIb-V): Control 22.6% · Fail-safe 9.8%

Sex differences in myocardial injury after non-cardiac surgery and postoperative mortality

2026-10-28T04:07:54.068Z

Cohort study · Perioper Med (Lond), 2023. Incidence of MINS: Men 17.9% · Women 14.2%

The incidence of postoperative vasopressor usage: protocol for a prospective international observational cohort study (SQUEEZE)

2026-10-28T04:07:54.068Z

Trial design · Perioper Med (Lond), 2023. Proportion of patients receiving postoperative vasopressor infusions (PVI) and its variation between hospitals and internationally

The safety of perioperative dexamethasone with antiemetic dosage in surgical patients with diabetes mellitus: a systematic review and meta-analysis

2026-10-28T04:07:54.068Z

Meta-analysis · Perioper Med (Lond), 2023. Blood glucose level — Dexamethasone vs Control: MD 0.439 (95% CI 0.137-0.581); P = 0.004; intraoperatively; I2 = 55.7%

Supplemental intraoperative crystalloids for pediatric postoperative nausea and vomiting—A systematic review and meta‐analysis

2026-10-28T04:04:03.147Z

Meta-analysis · Paediatr Anaesth, 2022. Postoperative vomiting — Supplemental vs Conventional: RR 0.56 (95% CI 0.39-0.80); p = .001

Delayed Discharge From the Intensive Care Unit Is Associated With Longer Hospital Lengths of Stay

2026-10-28T03:56:35.329Z

Cohort study · J Cardiothorac Vasc Anesth, 2022. Postoperative hospital LOS: No delay 9 (± 9) days · Delayed discharge 11 (± 10) days

Elaboration of a French version of the Duke Activity Status Index questionnaire and performance to predict functional capacity

2026-10-28T03:54:35.559Z

Diagnostic or prognostic study · Anaesth Crit Care Pain Med, 2023. Prediction of VO2max < 14 ml.kg-1.min-1: FDASI: threshold 36 points; sensitivity 87% [74-100]; specificity 68% [56-79] · Inability to climb two flights of stairs: sensitivity 35% [17-56]; specificity 92% [86-97]

Respiratory Exchange Ratio guided management in high-risk noncardiac surgery: The OPHIQUE multicentre randomised controlled trial

2026-10-28T03:54:35.559Z

Randomised controlled trial · Anaesth Crit Care Pain Med, 2023. Composite of major complications or death, within seven days of surgery: Interventional 78 (45.6%) · Control 83 (48.8%)

Performance of administrative database frailty instruments in predicting clinical outcomes and cost for patients undergoing transcatheter aortic valve implantation: a historical cohort study

2026-10-28T03:51:30.684Z

Cohort study · Can J Anaesth, 2022. Prediction of one-year mortality and rehospitalization (net reclassification index (NRI)) and one-year costs — Johns Hopkins ACG frailty indicator: RR 1.13 (95% CI 1.06 to 1.20); association of frailty with one-year costs

Perioperative anaphylactic reactions to central venous and pulmonary artery catheters containing chlorhexidine, sulfadiazine, or latex: a historical cohort study

2026-10-28T03:51:30.684Z

Cohort study · Can J Anaesth, 2023. Perioperative anaphylaxis with CVCs/PACs as confirmed or potential cause: Procedures with perioperative anaphylaxis 53

Perioperative trends in neck and leg fluid volume in surgical patients: a prospective observational proof-of-concept study

2026-10-28T03:51:30.684Z

Cohort study · Can J Anaesth, 2022. Feasibility and segmental fluid volume trends: Recruitment 50/66 (76%)

Association between pre‐operative prolonged corrected QT interval and all‐cause mortality after non‐cardiac surgery

2026-10-28T03:44:37.230Z

Cohort study · Acta Anaesthesiol Scand, 2022. Long-term mortality, median follow-up 2691 days (IQR 1620-3705 days) — ≤379 vs 380-439: HR 0.85 (CI 0.66-1.09)

Frailty assessment tools and associated postoperative outcomes in older patients undergoing elective surgery: A prospective pilot study

2026-10-28T03:44:37.230Z

Cohort study · Acta Anaesthesiol Scand, 2022. Abnormal screening: PRISMA7 41% · TUG 37% · CDT 43%

Glycemic profile and quality of recovery after emergency abdominal surgery–A prospective explorative cohort study

2026-10-28T03:44:37.230Z

Cohort study · Acta Anaesthesiol Scand, 2023. Recovery score vs coefficient of variation of glucose, During 30 days of follow-up: Recovery score estimate, coefficient of variation measured 3 days before assessment (p < .001) -1.52

Haemodynamic and respiratory perioperative outcomes for open versus robot‐assisted radical cystectomy: A double‐blinded, randomised trial

2026-10-28T03:44:37.230Z

Secondary analysis · Acta Anaesthesiol Scand, 2023. Total PACU Discharge Criteria (PACU-DC) score — iRARC vs ORC; p = 0.80; no difference in total score