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Non-respiratory factors affecting du...

Tree, Susan Brenda.

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Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population./
Author:	Tree, Susan Brenda.
Description:	192 p.
Notes:	Source: Dissertation Abstracts International, Volume: 63-05, Section: B, page: 2319.
Contained By:	Dissertation Abstracts International63-05B.
Subject:	Health Sciences, Nutrition. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3052918
ISBN:	0493685529

Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population.
Tree, Susan Brenda.

Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population. - 192 p.

Source: Dissertation Abstracts International, Volume: 63-05, Section: B, page: 2319.

Thesis (Ed.D.)--Columbia University Teachers College, 2002.

Introduction. Mechanical ventilation is often required in intensive care. Most patients wean in seven days or less. Weaning (transition from supported to spontaneous breathing) sometimes fails; ventilatory support can continue indefinitely. These patients are transferred to specialized long term units. Few studies address non-respiratory factors affecting weaning from long-term mechanical ventilation.

ISBN: 0493685529Subjects--Topical Terms:

1017801
Health Sciences, Nutrition.

Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population.
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100 1 $a Tree, Susan Brenda. $3 1925202
245 1 0 $a Non-respiratory factors affecting duration of and weaning from mechanical ventilation in a long-term care population.
300 $a 192 p.
500 $a Source: Dissertation Abstracts International, Volume: 63-05, Section: B, page: 2319.
500 $a Sponsor: Isobel R. Contento.
502 $a Thesis (Ed.D.)--Columbia University Teachers College, 2002.
520 $a Introduction. Mechanical ventilation is often required in intensive care. Most patients wean in seven days or less. Weaning (transition from supported to spontaneous breathing) sometimes fails; ventilatory support can continue indefinitely. These patients are transferred to specialized long term units. Few studies address non-respiratory factors affecting weaning from long-term mechanical ventilation.
520 $a Method. This is a retrospective, descriptive chart review of 146 long-term ventilator-dependent patients admitted for 38 days or more. Paired sample t tests and analysis of covariance were used to examine admission and end relationships. Univariate and multivariate analyses were conducted using linear and proportional hazard regression.
520 $a Results. From admission to end, weights decreased (p = .001) and serum albumin increased (p <.0001) in weaned subjects. However, weights increased (p =.001) and albumin did not change in unweaned subjects. Multivariate analyses indicated that the relative risk of weaning is high if days intubated prior to admission are less than 76 (p = .001), there is an admission age less than 84 years (p = .003), end weight less than 167 lb (p < .0001), admission % ideal body weight less than 126% (p =.008), end serum albumin more than 3.0 g/dl (p = .034), average white blood cell count less than 15 x 103 (p = .006), admission hemoglobin more than 11 g/dl (p = .097), marriage, compared to widowhood (p = .0002), no diuretic medication (p = .040), no diagnosis of ESRD (p = .037), COPD (p = .043) and CHF (p = .018), and admission pressure ulcer total score less than 16 (p = .042).
520 $a Conclusions. Covariates having the strongest association with the relative risk and time of weaning are age, fluid status, nutrition, sepsis, oxygen-carrying capacity, diagnoses affecting cardiac and pulmonary function, ESRD, and days of intubation prior to admission.
590 $a School code: 0055.
650 4 $a Health Sciences, Nutrition. $3 1017801
650 4 $a Health Sciences, Public Health. $3 1017659
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710 2 0 $a Columbia University Teachers College. $3 1250841
773 0 $t Dissertation Abstracts International $g 63-05B.
790 1 0 $a Contento, Isobel R., $e advisor
790 $a 0055
791 $a Ed.D.
792 $a 2002
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3052918