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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

New national strategies for hospital infection control : a critical evaluation

Birnbaum, David Wayne 05 1900 (has links)
Isolation of those ill with contagious disease has been a fundamental infection control concept for hundreds of years. However, recent studies suggest that fewer than 50% of health—care workers comply with their hospitals' isolation precaution policies and that efficacy of some of those policies is questionable. In response, two new systems, based upon fundamentally different goals, were promoted. The Centers for Disease Control, prompted by health—care worker& concerns about occupational risk of human immunodeficiency virus (HIV) from a growing number of patients with acquired immunodeficiency disease syndrome (AIDS), issued formal guidelines in 1987. This formed the basis for Universal Precautions (UP), a unifying strategy for precautions with all patients regardless of diagnosis intended to reduce risk to hospital staff members. Also in 1987, one hospital issued guidelines for Body Substance Isolation (BSI), hygienic precautions to be used with all patients based on recognition that colonized body substances are important reservoirs for cross—infection to both patients and staff members. These new strategies have been promoted widely, but there have been no formal assessments to reconcile controversies they raised nor to confirm their effectiveness. Further, necessary assessment tools have not been validated. This thesis provides new tools and new information to address three vital questions: Have hospitals adopted Universal Precautions or Body Substance Isolation? Do their staff members use the new system of precautions in daily practice? Has reliable use of a new system led to decreased risk of infection? A confidential mailed survey of all acute—care Canadian hospitals was conducted to measure rates of guideline receipt and adoption. It also obtained information on motivations for and perceived effectiveness of strategies adopted. A self—selected group of responding hospitals subsequently participated in standardized covert observation of their nurses infection control practices, then had the observed nurses complete a test examining their knowledge and beliefs. Employee health records were also examined to determine whether needlestick injury rates had changed since adoption of a new infection control strategy. Most Canadian hospitals adopted and modified new strategies based upon reasonable but unproven extensions of logic to protect health—care workers from HIV. 74% claimed UP (65%) or BSI (9%) but only 5% of 359 claiming UP and 0 of 50 claiming BSI adopted all policies expected. Many hospitals had not received key guideline publications. Guideline source, hospital size, and other variables were significantly associated with receipt. Nurses in 35 hospitals were observed to wear gloves during only z60% of procedures in which gloving was expected; rates varied widely among hospitals. Direct examination of sharps disposal containers confirmed compliance with a policy to not recap used needles (taken as recapping rate of 25%) in only 47% of 32 hospitals. Paired analysis of needlestick injury rates in 11 hospitals during comparable 90—day periods before versus after implementing UP/BSI showed no significant difference. 489 nurses completing a written test achieved their highest scores and least discordance among questions regarding procedural issues established long before UP/BSI, and lower scores or greater discordance on UP/BSJ concepts of philosophy, risk recognition and newer procedures. Positive correlation between knowledge and practice was not evident. UP and BSI now mean different things in different hospitals and have not been effective in harmonizing health—care workers’ infection control practices. Carefully standardized assessment methods are needed to guide their evolution to cost—effectiveness.
2

New national strategies for hospital infection control : a critical evaluation

Birnbaum, David Wayne 05 1900 (has links)
Isolation of those ill with contagious disease has been a fundamental infection control concept for hundreds of years. However, recent studies suggest that fewer than 50% of health—care workers comply with their hospitals' isolation precaution policies and that efficacy of some of those policies is questionable. In response, two new systems, based upon fundamentally different goals, were promoted. The Centers for Disease Control, prompted by health—care worker& concerns about occupational risk of human immunodeficiency virus (HIV) from a growing number of patients with acquired immunodeficiency disease syndrome (AIDS), issued formal guidelines in 1987. This formed the basis for Universal Precautions (UP), a unifying strategy for precautions with all patients regardless of diagnosis intended to reduce risk to hospital staff members. Also in 1987, one hospital issued guidelines for Body Substance Isolation (BSI), hygienic precautions to be used with all patients based on recognition that colonized body substances are important reservoirs for cross—infection to both patients and staff members. These new strategies have been promoted widely, but there have been no formal assessments to reconcile controversies they raised nor to confirm their effectiveness. Further, necessary assessment tools have not been validated. This thesis provides new tools and new information to address three vital questions: Have hospitals adopted Universal Precautions or Body Substance Isolation? Do their staff members use the new system of precautions in daily practice? Has reliable use of a new system led to decreased risk of infection? A confidential mailed survey of all acute—care Canadian hospitals was conducted to measure rates of guideline receipt and adoption. It also obtained information on motivations for and perceived effectiveness of strategies adopted. A self—selected group of responding hospitals subsequently participated in standardized covert observation of their nurses infection control practices, then had the observed nurses complete a test examining their knowledge and beliefs. Employee health records were also examined to determine whether needlestick injury rates had changed since adoption of a new infection control strategy. Most Canadian hospitals adopted and modified new strategies based upon reasonable but unproven extensions of logic to protect health—care workers from HIV. 74% claimed UP (65%) or BSI (9%) but only 5% of 359 claiming UP and 0 of 50 claiming BSI adopted all policies expected. Many hospitals had not received key guideline publications. Guideline source, hospital size, and other variables were significantly associated with receipt. Nurses in 35 hospitals were observed to wear gloves during only z60% of procedures in which gloving was expected; rates varied widely among hospitals. Direct examination of sharps disposal containers confirmed compliance with a policy to not recap used needles (taken as recapping rate of 25%) in only 47% of 32 hospitals. Paired analysis of needlestick injury rates in 11 hospitals during comparable 90—day periods before versus after implementing UP/BSI showed no significant difference. 489 nurses completing a written test achieved their highest scores and least discordance among questions regarding procedural issues established long before UP/BSI, and lower scores or greater discordance on UP/BSJ concepts of philosophy, risk recognition and newer procedures. Positive correlation between knowledge and practice was not evident. UP and BSI now mean different things in different hospitals and have not been effective in harmonizing health—care workers’ infection control practices. Carefully standardized assessment methods are needed to guide their evolution to cost—effectiveness. / Graduate and Postdoctoral Studies / Graduate
3

Interdisciplinary discharge planning rounds : impact on timing of social work intervention, length of stay and readmission

Dulka, Iryna M, 1953- January 1993 (has links)
This study examined the effect of interdisciplinary discharge planning rounds on timing of social work intervention, length of stay (LOS), and readmission for patients aged 65 and over. Data sources were the medical charts of 449 patients discharged during two corresponding 28 day periods (one before end one after the implementation of rounds) supplemented by Discharge Planning Committee minutes (DPCM) and interviews with four key informants. No significant differences in the timing of social work intervention, LOS, or readmissions were found between the two samples. Qualitative research revealed that essential components were either missing (physician participation), or not uniformly included (family participation) in rounds, and that staff felt that rounds improved communication among the disciplines and contributed to improved efficiency in planning hospital and posthospital services. These findings highlight the need to further study all aspects of the complex discharge planning process to identify factors that would reduce LOS and readmissions.
4

Interdisciplinary discharge planning rounds : impact on timing of social work intervention, length of stay and readmission

Dulka, Iryna M, 1953- January 1993 (has links)
No description available.

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