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Ability of preoperative falls to predict postsurgical outcomes in non-selected patients undergoing elective surgery at an academic medical centre: protocol for a prospective cohort study.

ABSTRACT: INTRODUCTION:Falls are increasingly recognised for their ability to herald impending health decline. Despite the likely susceptibility of postsurgical patients to falls, a detailed description of postoperative falls in an unselected surgical population has never been performed. One study suggests that preoperative falls may forecast postoperative complications. However, a larger study with non-selected surgical patients and patient-centred outcomes is needed to provide the generalisability and justification necessary to implement preoperative falls assessment into routine clinical practice. The aims of this study are therefore twofold. First, we aim to describe the main features of postoperative falls in a population of unselected surgical patients. Second, we aim to test the hypothesis that a history of falls in the 6?months prior to surgery predicts postoperative falls, poor quality of life, functional dependence, complications and readmission. METHODS AND ANALYSIS:To achieve these goals, we study adult patients who underwent elective surgery at our academic medical centre and were recruited to participate in a prospective, survey-based cohort study called Systematic Assessment and Targeted Improvement of Services Following Yearlong Surgical Outcomes Surveys (SATISFY-SOS) (NCT02032030). Patients who reported falling in the 6?months prior to surgery will be considered 'exposed.' The primary outcome of interest is postoperative falls within 30?days of surgery. Secondary outcomes include postoperative functional dependence, quality of life (both physical and mental), in-hospital complications and readmission. Regression models will permit controlling for important confounders. ETHICS AND DISSEMINATION:The home institution's Institutional Review Board approved this study (IRB ID number 201505035). The authors will publish the findings, regardless of the results.

SUBMITTER: Kronzer VL

PROVIDER: S-EPMC5051422 | biostudies-other | 2016 Sep

REPOSITORIES: biostudies-other

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Ability of preoperative falls to predict postsurgical outcomes in non-selected patients undergoing elective surgery at an academic medical centre: protocol for a prospective cohort study.

Kronzer Vanessa L VL Ben Abdallah Arbi A McKinnon Sherry L SL Wildes Troy S TS Avidan Michael S MS

BMJ open 20160921 9

<h4>Introduction</h4>Falls are increasingly recognised for their ability to herald impending health decline. Despite the likely susceptibility of postsurgical patients to falls, a detailed description of postoperative falls in an unselected surgical population has never been performed. One study suggests that preoperative falls may forecast postoperative complications. However, a larger study with non-selected surgical patients and patient-centred outcomes is needed to provide the generalisabili ...[more]

PMID: 27655260

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Project description:INTRODUCTION:Postoperative delirium (POD) is a common complication in elderly patients, characterised by a fluctuating course of altered consciousness, disordered thinking and inattention. Preliminary research has linked POD with persistent cognitive impairment and decreased quality of life. However, these findings maybe confounded by patient comorbidities, postoperative complications and frailty. Our objective is to determine whether POD is an independent risk factor for persistent impairments in attention and executive function after elective surgery. Our central hypothesis is that patients with POD are more likely to have declines in cognition and quality of life 1?year after surgery compared with patients without POD. We aim to clarify whether these associations are independent of potentially confounding factors. We will also explore the association between POD and incident dementia. METHODS AND ANALYSIS:This study will recruit 200 patients from the ongoing Electroencephalography Guidance of Anesthesia to Alleviate Geriatric Syndromes (ENGAGES) study. Patients who live ?45 miles from the study centre or have a planned visit to the centre 10-16 months postoperatively will be eligible. Patients with POD, measured by the Confusion Assessment Method, will be compared with patients without delirium. The primary outcome of cognitive function and secondary outcomes of quality of life and incident dementia will be compared between cohorts. Cognition will be measured by Trails A and B and Stroop Color and Word Test, quality of life with Veteran's RAND 12-item Health Survey and incident dementia with the Short Blessed Test. Multivariable regression analyses and a Cox proportional hazards analysis will be performed. All results will be reported with 95% CIs and ?=0.05. ETHICS AND DISSEMINATION:The study has been approved by the Washington University in St. Louis Institutional Review Board (IRB no 201601099). Plans for dissemination include scientific publications and presentations at scientific conferences. TRIAL REGISTRATION NUMBER:NCT02241655.

Project description:IntroductionSeveral immunonutritional supplements have recently been developed. However, improvements in preoperative immunonutritional conditions using these supplements have not been analyzed in patients undergoing thoracic surgery.MethodsThis prospective, single-arm, single-institution pilot study involved patients planning to undergo thoracic surgery. Forty adults with a poor preoperative immunonutritional status were enrolled. The patients freely selected one of three oral immunonutritional supplements (IMPACTⓇ, MEINⓇ, or AboundⓇ) and started taking it on an outpatient basis from 7 to 14 days before thoracic surgery. The primary endpoint was the rate of improvement in three immunonutritional parameters on the hospitalization day: body mass index (BMI), prognostic nutritional index (PNI), and geriatric nutritional risk index (GNRI). These improvement rates were compared with those of a matched historical control group.ResultsThe PNI and GNRI improvement rates were significantly higher in the immunonutritional support group than in the control group (PNI: 103.1% ± 0.6% vs. 98.9% ± 1.3%, p = 0.0391; GNRI: 101.7% ± 0.8% vs. 99.3% ± 0.8%, p = 0.0266), although there was no significant difference in the BMI improvement rate (101.0% ± 0.6% vs. 100.2% ± 0.7%, p = 0.3626). The PNI and GNRI improvement rates were significantly higher in the IMPACTⓇ support group than in the control group (PNI: 104.5% ± 2.4% vs. 98.9% ± 1.3%, p = 0.0212; GNRI: 101.6% ± 1.1% vs. 99.3% ± 0.8%, p = 0.0415).ConclusionsThe present study revealed that short-term preoperative immunonutritional support can actually improve immunonutritional parameters immediately before surgery. In particular, preoperative immunonutritional support using IMPACTⓇ supplementation might be the most promising agent in patients with a poor immunonutritional condition undergoing elective thoracic surgery.Trial registrationUniversity Hospital Medical Information Network 000035851.

Project description:BACKGROUND:Although stroke is a rare complication among spinal surgery patients, the recognition of this adverse event is critical given the aging population undergoing surgical procedures. The objective of this study was to estimate the incidence of stroke among selected adults undergoing elective posterior lumbar fusion (PLF) during various post-operative risk windows and among different subgroups. METHODS:A retrospective cohort study using a longitudinal electronic healthcare record (EHR) database was conducted from January 1, 2007 to June 30, 2018. Elective PLF, stroke, and select clinical characteristics were defined based on International Classification of Disease codes. Patients aged 18 to 85?years with ?183?days of enrollment in the database prior to undergoing elective PLF were followed from the index date until the occurrence of stroke, death, loss to follow-up, or end of study period, whichever occurred first. The incidence of stroke was estimated in the following risk windows: index hospitalization, ? 30?days, ? 90?days, ? 180?days, and???365?days post-operation. RESULTS:A total of 43,063 patients were eligible for the study. The incidence of stroke following elective PLF was 0.29% (95% confidence interval [CI]: 0.25, 0.35%) during index hospitalization, 0.44% (95% CI: 0.38, 0.50%)???30?days, 0.59% (95% CI: 0.52, 0.67%)???90?days, 0.76% (95% CI: 0.68, 0.85%)???180?days, and 1.12% (95% CI: 1.03, 1.23%)???365?days post-operation. Stratified analyses revealed that older patients had a higher incidence of stroke. Additionally, black patients had higher stroke incidences. Post-operative stroke incidence was higher among patients with a history of type 2 diabetes than among patients without such history; similarly, stroke incidence was higher among patients with a history of stroke compared to patients without such history. CONCLUSIONS:The incidence of stroke following elective PLF using an EHR database in this study is slightly higher than that reported in the literature. Our results suggest that stroke risk modification prior to PLF may be important for patients who are older, black, type 2 diabetic, and/or have a history of stroke.

Project description:BackgroundMajor life changes are among factors that cause anxiety, and one of these changes is surgery. Hospitalization, regardless of disease, is known to provoke anxiety in the patient admitted for surgery. Anxiety is an unpleasant disturbing experience that involves way of thinking of tension, apprehension, uneasiness and high autonomic activity. Patients with high levels of anxiety require higher doses of anesthetic induction agents and recover poorly. The objective of this study was to investigate the prevalence of preoperative anxiety and its predictors among adult patients scheduled for elective surgery.MethodologyInstitutional based cross sectional study was conducted using interviewer administered structured questionnaire in Yirgalem zonal hospital in Ethiopia from November 1, to December 30, 2018 on 407 patients scheduled for elective surgery. The study included all patients with age greater than 18 years who were undergoing surgery. Patients with known anxiety disorder and unable to communicate were excluded from the study. State and trait anxiety inventory (STAI) measurement scale was used to assess preoperative anxiety. Statistical analysis was performed using SPSS version 22. Binary logistic regression analysis was performed to determine the predictors of preoperative anxiety. The strength of the association was presented using AOR with 95% confidence interval and p-value < 0.05 was considered as statistically significant.ResultsAmong a total of 402 patients enrolled in the study 228 (56.7%) were male. The prevalence of preoperative anxiety among scheduled patients for elective surgery was 47.0%. Having strong social support (AOR = .16 CI = 0.07, 0.34), harm from doctor or nurse mistake (AOR = 5.03, CI = 2.85, 8.89), unexpected result of operation (AOR = 3.03, CI = 1.73, 5.19), unable to recover (AOR = 2.96, CI = 1.18, 4.87), and need of blood transfusion (AOR = 2.76, CI = 1.65, 4.62) were significantly associated with preoperative anxiety.ConclusionIn the current study the prevalence of preoperative anxiety was high (47%). Having strong social support, unexpected result of operation, harm from doctor or nurse mistake, need of blood transfusion, and unable to recover were found to be statistically significant for preoperative anxiety. Patients need to be assessed regularly for anxiety during the preoperative visit.

Dataset Information

Ability of preoperative falls to predict postsurgical outcomes in non-selected patients undergoing elective surgery at an academic medical centre: protocol for a prospective cohort study.

Publications

Ability of preoperative falls to predict postsurgical outcomes in non-selected patients undergoing elective surgery at an academic medical centre: protocol for a prospective cohort study.

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