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Biomedical subjects

Y Gustafson

Publications and source records attributed to Y Gustafson.

43 records · Page 3Linked to original sources
PubMed1988

Acute confusional states in elderly patients treated for femoral neck fracture.

The aims of this study were to estimate the incidence of acute confusional state (ACS), its predisposing factors and consequences in 111 consecutive patients operated for fractured neck of the femur. The incidence of ACS was 61 percent and the predicting factors were old age and dementia. Drugs with anticholinergic effect, depression, and previous stroke were factors that seemed to be associated with the development of ACS. Ninety-two percent of the patients who had severe perioperative blood pressure drops developed ACS. The consequences of ACS were prolonged ward-stay at the orthopedic department, a greater need for long-term care after discharge, and poor walking ability at discharge and six months after surgery. The confused patients also had more complications, such as urinary problems, feeding problems and decubital ulcers, as compared with the nonconfused patients.

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PubMed1987

Postoperative confusion after anesthesia in elderly patients with femoral neck fractures.

Fifty-seven patients, all over the age of 64, with femoral neck fracture were randomized to receive epidural or halothane anesthesia to see if the anesthetic technique influenced the incidence of postoperative confusion. All patients were lucid on admission. Using the American Psychiatric Association's Diagnostic and Statistical Manual of Mental Disorders (DSM-III) as criteria for confusion, we found that 44% of the patients developed confusion that correlated closely to a history of mental depression (P less than 0.01) and to the use of drugs with anticholinergic effect (P less than 0.005). There was no difference in the incidence of confusion between the two anesthetic groups. In patients given halothane, however, early postoperative hypoxemia was associated with confusion (P less than 0.05). Patients with confusion had significantly more postoperative complications and almost four times longer hospitalization times. It is concluded that anticholinergic medication and a history of mental depression are predominant risk factors for development of postoperative confusion and in this respect are more important than the anesthetic technique.

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PubMedDate not supplied

Three years after in-patient stroke rehabilitation: A follow-up study.

A 3-year follow-up study was performed aimed at describing the outcome for severely affected stroke survivors who had undergone geriatric in-patient rehabilitation. Living conditions, psychological well-being, and changes in functions were assessed in 55 survivors. Twenty-five people were living in the community, 15 in apartment hotels or homes for the aged and 15 in nursing homes. From discharge to follow-up 11 people had had to move to an accommodation offering more support. Living alone, recurrent strokes and functional decline were associated with moving. Many of those living in the community were supported by relatives or home help services. Home adjustments and assistive devices were common and in most cases were aimed at facilitating transfers and bathroom activities. Motor function had deteriorated from discharge to follow-up, otherwise no statistically significant changes were seen in the survivors' abilities and functions. Most survivors had in fact been able to maintain their functions or to make further improvements. Also, their psychological well-being seemed quite good. These results should encourage rehabilitation efforts for elderly people severely affected by stroke.

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Cross-validation of a model predicting discharge home after stroke rehabilitation. Validating stroke discharge predictors.

A new sample of 116 stroke patients was collected in order to validate a logistic regression model, predicting the chances of severely affected stroke patients being discharged home to independent living. The model was found to be accurate in the new sample, especially for those patients who had a high estimated probability of being discharged home. When the dividing line for the predicted probability for discharge home was set at a value of >/=0.5, the positive and negative predictive values were 74 and 73%, respectively. Further modelling resulted in a new extended model including the variables postural stability on admission, cohabiting, age and perceptual impairment on admission that formed the basis for an index predicting discharge home. This index was then validated in the sample of 93 patients that the first developed model was derived from and showed positive and negative predictive values of 85 and 77%, respectively.

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Epidemiology of delirium.

Delirium is one of the most frequent symptoms of disease in the elderly. A large variation of incidence and prevalence data is reported probably due to different patient populations and inconsistent diagnostic criteria. In medical and surgical elderly inpatients recent studies report a prevalence rate of approximately 15% and in postoperative patients the incidence and prevalence rates vary greatly, 7-52%, depending on patient population and clinical setting. In nursing homes the prevalence is even higher and delirium is often combined with dementia. Data supports the statement that delirium is most often found in hospitalized somatically ill elderly patients. As a consequence of the rising number of elderly in hospitals we have to expect an increase in the prevalence and incidence of delirium.

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PubMedDate not supplied

Clinical profile of delirium in patients treated for femoral neck fractures.

The incidence of delirium, its predisposing factors, clinical profile, associated symptoms and consequences were investigated in 54 consecutive patients, 19 men and 35 women, mean age 77.1 years, admitted to an 'ortho-geriatric unit' with femoral neck fractures. The incidence of postoperative delirium was 15/54 (27.8%) and a logistic regression model found that dementia and a prolonged waiting time for the operation increased the risk of postoperative delirium. Delirium during the night was most common but in 5 patients the delirium was worst in the morning. Patients with delirium suffered more anxiety, depressed mood, emotionalism, delusions and hallucinations. A larger proportion of patients with delirium could not return to their previous dwelling, and a larger proportion of delirious patients were either dead, wheelchair-bound or bedridden at the 6-month follow-up (p < 0.005). The conclusion is that delirium is common and has a serious impact on the outcome after hip fracture surgery.

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