Observational studyPloS one2021
Risk factors for postoperative delirium and subsyndromal delirium in older patients in the surgical ward: A prospective observational study.
Observational study in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it, 22 citations in OpenAlex.
- Subsyndromal Delirium in Elderly Critical Care Patients: A Meta-Analysis of Prevalence and Risk Factors.Geriatrics & gerontology international · 2026Pooled it
- Postoperative Delirium and the Association to Continuously Monitored Severe Deviations of Vital Signs at the General Ward After Major Abdominal Surgery.Acta anaesthesiologica Scandinavica · 2026Observational
- Construction of a predictive model for postoperative subsyndromal delirium in patients undergoing brain tumor surgery.Acta neurologica Belgica · 2026Article
- EEG spectral biomarkers of postoperative delirium in spinal surgery: A high-resolution analysis.PloS one · 2026Article
- Long-term mortality impact of postoperative hyperactive delirium in older hip fracture surgery patients.BMC geriatrics · 2025Article
- Incidence and influencing factors of subsyndromal delirium in elderly patients with pancreatic surgery: a prospective study.Frontiers in psychiatry · 2025Article
- The hot spots and global trends of prevention and treatment in postoperative delirium (POD) from 2004 to 2023: A bibliometric analysis.Surgery open science · 2024Review
- Identification of risk factors for the onset of delirium associated with COVID-19 by mining nursing records.PloS one · 2024Article
- Article
- Early incident and subsyndromal delirium in older patients undergoing elective surgical procedures: a randomized clinical trial of an avoid delirium protocol.Frontiers in anesthesiology · 2023Article
- Dynamic Nomogram for Subsyndromal Delirium in Adult Intensive Care Unit: A Prospective Cohort Study.Neuropsychiatric disease and treatment · 2023Article
- Grip Strength is a Predictor for Subsyndromal Delirium Among Older Adults Following Joint Replacement.Clinical interventions in aging · 2023Article
- Recent advances and perspectives of postoperative neurological disorders in the elderly surgical patients.CNS neuroscience & therapeutics · 2022Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Postoperative delirium (POD) and subsyndromal delirium (SSD) among older patients is a common, serious condition associated with a high incidence of negative outcomes. However, there are few accurate methods for the early detection of POD and SSD in surgical wards. This study aimed to identify risk factors of POD and SSD in older patients who were scheduled for surgery in a surgical ward. This was a prospective observational study. Study participants were older than 65 years, underwent urology surgery, and were hospitalized in the surgical ward between April and September 2019. Delirium symptoms were assessed using the Confusion Assessment Method (CAM) on the preoperative day, the day of surgery, and postoperative days 1-3 by the surgical ward nurses. SSD was defined as the presence of one or more CAM criteria and the absence of a diagnosis of delirium based on the CAM algorithm. Personal characteristics, clinical data, cognitive function, physical functions, laboratory test results, medication use, type of surgery and anesthesia, and use of physical restraint and bed sensor were collected from medical records. Multiple logistic regression analyses were conducted to identify the risk factors for both POD and SSD. A total of 101 participants (mean age 74.9 years) were enrolled; 19 (18.8%) developed POD (n = 4) and SSD (n = 15). The use of bed sensors (odds ratio 10.2, p = .001) was identified as a risk factor for both POD and SSD. Our findings suggest that the use of bed sensors might be related to the development of both POD and SSD among older patients in surgical wards.
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