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Characteristics and outcome of rapid response team patients ≥75 years old: a prospective observational cohort study.

ABSTRACT: Rapid response teams (RRTs) attend severely ill general ward patients whose average 30-day mortality is near 30%. A major part of RRT patients are over 75 years old, but there are no studies on the characteristics and outcome of this geriatric RRT population. We compared the characteristics and outcome of geriatric RRT sub-population with the RRT patients <75 years old. We further investigated, whether the accumulation of risk factors (RFs) for mortality among the general RRT population predicts a tenuous outcome among the geriatric sub-population.Prospective three-year observational cohort study of adult RRT patients in Tampere University Hospital, Finland. After identifying independent RFs for 30-day mortality among RRT patients with multivariate logistic regression, we further studied the impact of the accumulation of these RFs among geriatric RRT patients who had no limitations of medical treatment.A total of 1372 patients were reviewed 1722 times. Geriatric patients (n = 449, 33%), when compared to non-geriatric patients, had higher 30-day (33% vs. 21%, respectively; p < 0.001) and one-year (54% vs. 35%, respectively; p < 0.001) mortality rates. Among the general RRT population, positive RRT criteria as measured by RRT during the review, high comorbidity index, age ≥ 75 years, non-elective hospital admission, medical reason for admission and afferent limb failure were identified as independent RFs for 30-day mortality and classified as feasible to obtain during a routine RRT review. The observed rates of these RFs among the geriatric RRT patients substantially affected their 30-day mortality (e.g. no RFs: 5.3%; one RF: 14%; two RFs: 27%; three RFs: 38%; four RFs: 52%; five RFs: 38%).One-third of patients reviewed by RRT were ≥75 years old, and age statistics were comparable to previous RRT studies suggesting that this is the case globally. Outcome of geriatric RRT patients is poorer as compared with RRT patients <75 years. However, the outcome is substantially affected by the accruement (or lack) of RFs generally increasing the mortality of RRT patients. Considering these factors during a geriatric RRT review may aid with the decision to either escalate or de-escalate care.

SUBMITTER: Tirkkonen J

PROVIDER: S-EPMC5544988 | biostudies-other | 2017 Aug

REPOSITORIES: biostudies-other

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Project description:IntroductionPost-stroke delirium is a common clinical problem, occurring in 10% to 48% of patients. It has been associated with longer hospitalization times, increased mortality and worse functional outcome. In early phase of stroke, it may be regarded as particularly difficult to differentiate from other neurological symptoms. For practical purposes, there is a need to identify simple pre-operative laboratory parameters that may aid delirium diagnosis early after stroke. Our aim was to identify the incidence of early-onset (first 24 hrs) post-stroke delirium, its risk factors and outcomes (complications and mortality) in patients with first-ever acute ischemic stroke (AIS).Material and methodsA retrospective analysis of a prospective observational study (NCT03944694) was performed. Patients were screened for delirium using CAM-ICU method. Clinical and laboratory data were collected, including baseline inflammatory parameters.ResultsFinal analysis included 760 patients, 121 (15.9%) developed delirium. Patients with delirium were older (75.9±13.5 years, p<0.001). Most common complications in the delirium group were pulmonary (57.8% vs 21.4%, p<0.001), cardiac (38.8% vs 13.6%, p<0.001) and renal (13.2% vs 7.5%, p=0.038). Neutrophil-to-lymphocyte ratio (NLR) (6.71±9.65 vs 4.55±5.51, p<0.001), C-reactive protein level (32.59±65.94 vs 15.70±38.56, p<0.001) and troponin T level (72.59±180.15 vs 26.85±77.62, p<0.001) were higher in delirious patients and platelet-to white blood cell count ratio (PWR) (23.42±9.51 vs 27.13±10.58, p<0.001) was lower. Multivariable logistic regression showed that atrial fibrillation (OR 1.651, p=0.049), higher Rankin score on admission (OR 1.689, p<0.001), hemianopia (OR 2.422, p=0.003) and PWR <20.22 (OR 2.197, p=0.002) were independently associated with delirium. Kaplan-Meier curves indicated that mortality increased for patients with delirium at 3 months (p<0.001) and 1 year (p<0.001) after AIS.ConclusionAtrial fibrillation, higher Rankin score, hemianopia and lower PWR were independently associated with early onset delirium in patients with first ever AIS. This confirms that deprivation of senses and early generalized inflammatory response are critical for delirium development.

Project description:BACKGROUND:The national early warning score (NEWS) enables early detection of in-hospital patient deterioration and timely activation of hospital's rapid response team (RRT). NEWS was updated in 2017 to include a separate SpO2 scale for those patients with type II respiratory failure (T2RF). In this study we investigated whether NEWS with and without the new SpO2 scale for the T2RF patients is associated with immediate and in-hospital patient outcomes among the patients actually attended by the RRT. METHODS:We conducted a two-year prospective observational study including all adult RRT patients without limitations of medical treatment (LOMT) in a large Finnish university associated tertiary level hospital. According to the first vital signs measured by the RRT, we calculated NEWSs for the RRT patients and further utilized the new SpO2 scale for the patients with confirmed T2RF. We used multivariate logistic regression and area under the receiver operating characteristic analyses to test NEWS's accuracy to predict two distinct outcomes: RRT patient's I) immediate need for intensive care and/or new LOMT and 2) in-hospital death or discharge with cerebral performance category >2 and/or LOMT. RESULTS:The final cohort consisted of 886 RRT patients attended for the first time during their hospitalization. Most common reasons for RRT activation were respiratory (343, 39%) and circulatory (226, 26%) problems. Cohort's median (Q1, Q3) NEWS at RRT arrival was 8 (5, 10) and remained unchanged if the new SpO2 scale was applied for the 104 patients with confirmed T2RF. Higher NEWS was independently associated with both immediate (OR 1.28; 95% CI 1.22-1.35) and in-hospital (1.15; 1.10-1.21) adverse outcomes. Further, NEWS had fair discrimination for both the immediate (AUROC 0.73; 0.69-0.77) and in-hospital (0.68; 0.64-0.72) outcomes. Utilizing the new SpO2 scale for the patients with confirmed T2RF did not improve the discrimination capability (0.73; 0.69-0.76 and 0.68; 0.64-0.71) for these outcomes, respectively. CONCLUSIONS:We found that in patients attended by a RRT, the NEWS predicts patient's hospital outcome with moderate accuracy. We did not find any improvement using the new SpO2 scale in T2RF patients.

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Characteristics and outcome of rapid response team patients ≥75 years old: a prospective observational cohort study.

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