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PubMed1990

Occupational hazards to health care workers: diverse, ill-defined, and not fully appreciated.

Health care workers are challenged by an imposing group of occupational hazards. These hazards include exposure to ionizing radiation, stress, injury, infectious agents, and chemicals. The magnitude and diversity of these hazards are not fully appreciated. The acquired immunodeficiency syndrome epidemic has created additional occupational hazards and has focused attention on the problem of occupational hazards to health care workers. Concern over the nosocomial transmission of the human immunodeficiency virus has contributed to efforts to implement universal infection control precautions and to decrease needlestick injuries. Health care organizations and providers, who have prompted health and safety campaigns for the general public, should not overlook the dangers associated with the health care setting.

Centers for Disease Control and Prevention, U.S.↗

PubMed1993

The Australian Incident Monitoring Study. Physical injuries and environmental safety in anaesthesia: an analysis of 2000 incident reports.

Of the first 2000 incidents reported to the Australian Incident Monitoring Study, 56 (3%) involved environmental hazards or injuries to patients or staff. There were 17 cases of oral trauma (14 of tooth loss or damage, in 7 of which poor dentition played a role), 10 incidents involving problems with the operating table, 6 cases of skin or eye damage and 6 cases in which an electrical hazard was identified. Five incidents occurred during transport, and there were 4 cases of monitor induced trauma, 4 "needlestick" injuries and 4 miscellaneous incidents. Recommendations are made for trying to avoid or reduce the incidence of some of these problems.

Accidents↗

PubMed2004

Tissue adhesives for closure of surgical incisions.

BACKGROUND: Sutures, staples and adhesive tapes are the traditional methods of wound closure, whilst tissue adhesives have entered clinical practice more recently. Closure of wounds with sutures enables meticulous closure, but sutures may induce tissue reactivity and they usually require removal. Tissue adhesives offer the advantages there are no sutures to remove later for the patient and no risk of needlestick injury to the surgeon. Tissue adhesives have been used primarily in emergency rooms but this review looks at the use of tissue adhesives in the operating room where surgeons are increasingly using these for the closure of surgical skin incisions. OBJECTIVES: To determine the relative effects of various tissue adhesives and conventional skin closure techniques on the healing of surgical wounds. SEARCH STRATEGY: The Cochrane Wounds Group Specialised Trials Register, The Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE and EMBASE were searched. Bibliographies of review articles were checked for studies outside the handsearched journals and wound care product manufacturers were contacted. SELECTION CRITERIA: Randomised controlled clinical trials only. DATA COLLECTION AND ANALYSIS: Screening of eligible studies and data extraction was conducted independently and in triplicate whilst assessment of the methodological quality of the trials was conducted independently and in duplicate. Results were expressed as random effect models using weighted mean differences for continuous outcomes and relative risk with 95% confidence intervals for dichotomous outcomes. Heterogeneity was investigated including both clinical and methodological factors. MAIN RESULTS: Eight RCTs were included (630 patients). No statistically significant differences were found between various tissue adhesives and sutures (8 trials) for dehiscence, infection, satisfaction with cosmetic appearance when assessed by patients' or surgeons' general satisfaction. Nor were differences found between a tissue adhesive and tapes (2 trials) for infection, patients' assessment of cosmetic appearance, patient satisfaction or surgeon satisfaction. However a statistically significant difference was found for surgeons' assessment of cosmetic appearance with mean difference 13 (95%CI 5 to 21), the higher mean rating for the tissue adhesive group. REVIEWERS' CONCLUSIONS: Surgeons may consider the use of tissue adhesives as an alternative to sutures or adhesive tape for the closure of incisions in the operating room. There is a need for trials in all areas but in particular to include patients that require incision closure in areas of high tension and patients of general health that may impair wound healing.

Bandages↗

PubMed1988

Transmission of human immunodeficiency virus to sexual partners of hemophiliacs.

To examine the variables associated with heterosexual transmission of human immunodeficiency virus (HIV), we studied 32 couples in our hemophilia center who had steady sexual relationships for periods more than 1 year. Of the 32 sexual partners of the hemophiliacs, five (15.6%) were HIV seropositive. All five hemophiliacs with HIV transmission to their sexual partners had measurable immunologic deficiencies, as shown by their lower median T-helper (CD-4+) lymphocyte count of 172 cells/mm3. The hemophiliacs without transmission had a slightly higher median CD-4+ count of 297 cells/mm3 (P = .26). To determine if factors other than the degree of immunologic deficiency in the hemophiliac might contribute to HIV transmission, 18 of the 32 couples were studied more intensively by confidential, coded questionnaires. Regular condom use was reported by nine couples (50%). Two of nine women (22%) without condom usage acquired HIV. One of nine women (11%) using condoms was seropositive; she also reported eight needlestick injuries while assisting her spouse with clotting factor treatments. Intravenous drug abuse was reported in two of the five couples with HIV transmission. Thus, hemophiliacs are at risk for transmitting HIV parenterally as well as venereally. Despite various risk behaviours associated with HIV transmission, the prevalence of infection in our cohort of hemophiliacs' sexual partners is low and within the range (6.8-22%) reported by others. This study underscores the need for comprehensive education and counseling in what previously appeared to be a homogeneous clinic population at risk for transmitting HIV to others.

Acquired Immunodeficiency Syndrome↗

PubMed1989

Attitudes of operating theatre staff to inoculation-risk cases.

In a 12-month period, 177 patients at risk of infection with human immunodeficiency virus (HIV) or hepatitis B were operated on. Sixty-nine had HIV antibodies. The procedures used to identify these patients and minimize the risk of infection of hospital staff in the operating department are described. All staff working in the operating department were surveyed to determine their caseload, feelings of anxiety, and the incidence of high-risk exposure to infection. Anxiety was not related to workload, but was more common in those who had high-risk exposure. All members of staff who sustained a needlestick injury were tested for HIV antibodies at intervals after injury; 33 also volunteered to be tested in a screening session 3 months after the study period. None had HIV antibodies, suggesting that the risk of acquiring HIV infection in the operating department is low.

Acquired Immunodeficiency Syndrome↗

PubMed2000

[Aids and anesthesia] .

17 years after the discovery of HIV Aids remains an ultimately fatal disease. Currently no vaccine is available. The worldwide incidence of HIV-infections and Aids associated mortality are rising. Only in Western Europe and in the USA are incidence and mortality of Aids declining; mainly as a result of effective antiretroviral therapy. 20% to 25% of HIV-infected patients require surgery during their illness. The challenges for the anaesthesiologist are possible dysfunction of all important organs and adverse interactions between antiretroviral drugs and anaesthetic agents. If adequate infection control measures are taken the risk of occupational HIV-infection is low, but remains a concern in light of the consequences. Seroconversion after needlestick injury is ca. 0.3%, after contact with mucosa ca. 0.03%.

Acquired Immunodeficiency Syndrome↗

PubMed2003

Change of acute hepatitis B transmission routes in Japan.

BACKGROUND: Many years have passed since various prophylactic policies for preventing hepatitis B virus (HBV) transmission were begun. We studied the chronological alterations in HBV infectious routes in patients with acute hepatitis B in the past 27 years. METHODS: Seventy-two patients with acute HBV infection who were admitted to our hospital during the period 1976 to 2002 were enrolled in this study. This study was divided into two periods (first period, 1976-1990; and second period, 1991-2002), and the HBV infectious routes were studied. RESULTS: Infectious routes have been changing. Posttransfusion hepatitis was seen only in the first period. In the second period, sexual transmission was the major infectious route (68%), followed by infection at a medical facility or occupational exposure such as needlestick injury (8%). CONCLUSIONS: Transmission from sexual contact has become the main infectious route of HBV in Japan.

Acute Disease↗

PubMed1995

Managing occupational HIV exposures: a Canadian study.

The findings reported in this paper are part of a larger study that explored how nurses cope with the risk of acquiring HIV infection while caring for persons with AIDS (PWAs). The data were collected through in-depth interviews with 13 nurses who cared for PWAs in a large Western Canadian hospital. Seven of these nurses perceived that they had been exposed to HIV-infected blood or body fluids. This paper describes how these seven nurses coped with actual exposures to HIV-infected blood or body fluids. Data were analyzed using the methodology of grounded theory. Nurses' coping efforts after exposure were grouped into four categories: minimizing the effect of exposures, reducing a sense of vulnerability, selective disclosure to others, and assigning meaning. Nurses minimized the physical effects of exposure through measures such as 'bleeding' the needlestick injury and immersing the affected area in bleach solution. Nurses reduced their sense of vulnerability by assessing the possibility of harm, avoiding situations that aroused fear, and confronting the decision for HIV testing. Nurses limited their disclosures to co-workers to avoid rejection and to preserve professional self-esteem. Disclousre to significant others was influenced primarily by the support nurses perceived they would receive. Finally, nurses attempted to assign meaning to the exposure by determining why the event occurred and by evaluating the implications it has had on their lives. The article concludes with implications for nursing practice.

Adaptation, Psychological↗

PubMed1988

Serological studies on health care workers caring for patients with human immunodeficiency virus.

Between 1982 and July 1987, more than 1200 patients attending St Stephen's Hospital were found to be HIV antibody positive. Four hundred were inpatients and most of the outpatients attended the sexually transmitted disease clinic. Two hundred and twenty-one patients had AIDS, 480 HIV-related disorders and 500 were asymptomatic. Most inpatients had invasive procedures within the operating theatres and there were 25 postmortems. Four hundred and five antibody tests from 220 health care workers from the STD clinic, operating theatres, isolation ward, intensive care unit and clinical laboratories were voluntarily tested for HIV antibody by an ELISA screening method. All were negative, except one male nurse who had other risk factors. Twenty-nine staff suffered needlestick injury with blood of HIV antibody positive patients; none has developed serological evidence of HIV infection.

AIDS Serodiagnosis↗

PubMed1995

Hepatitis B virus, hepatitis C virus and human immunodeficiency virus infection in health care workers: a multiple regression analysis of risk factors.

A seroprevalence survey of hepatitis B virus (HBV), hepatitis C virus (HCV) and human immunodeficiency virus (HIV), was conducted using serum samples obtained from 5813 health care workers (HCWs) in five public hospitals in the Latium region of Italy, during the 1985 vaccination campaign against HBV. The seroprevalences of HBV, HCV and HIV were 23.3% [95% confidence interval (CI) = 22.3-24.4%], 2% (95% CI = 1.6-2.4%) and 0.07% (95% CI = 0.001-0.13%), respectively. In a logistic regression model, sex, increasing age, all job categories vs. physicians, dental treatment in the previous six months, and needlestick injury during the previous year were significantly associated with HBV. Conversely, no occupational and community risk factors, but only history of blood transfusion were significantly associated with HCV. Nevertheless, the documented risk of HCV as well as of HIV transmission through percutaneous and mucocutaneous exposure to blood and body fluids should lead to continued efforts to minimize risks of infection by enhancing the compliance of HCWs with vaccination against HBV and adherence to infection control measures, and by introducing safer devices and techniques.

Adult↗

PubMed1990

AIDS: practising safe endoscopy.

The emergence of HIV has provoked a widespread reappraisal of infection control practices in endoscopy units. Infection control practices should be applied to all patients alike without recourse to selection or screening. Although there has only been one reported instance of viral transmission at endoscopy, HIV could in theory be transmitted by a contaminated endoscope. Experience suggests that this is more likely to occur from damaged endoscopes, if an unsuitable disinfectant is used or endoscopes are not precleaned. In-use studies have shown that HIV contaminates endoscopes used on patients with AIDS, but in amounts too small to cause infection in tissue cultures. Cleaning in neutral detergent is extremely effective in removing contaminating micro-organisms, including HIV, from endoscopes. Aldehydes are the disinfectants of choice, but any disinfectant may fail if organic material is not removed by cleaning. After thorough cleaning, short disinfection times (e.g. four minutes) ensure inactivation of all relevant micro-organisms except Cryptosporidium and mycobacteria, although in practice even these organisms are likely to be reduced to non-pathogenic levels. Accidental needlestick injuries are the greatest hazard in the endoscopy suite; needles should not be resheathed and biopsy forceps must be handled with great care. The wearing of gloves should become second nature.

Acquired Immunodeficiency Syndrome↗

PubMed2005

Epidemiological characteristics of occupational blood exposures of healthcare workers in a university hospital in South Korea for 10 years.

This study investigated the epidemiological characteristics of occupational blood exposures (OBEs) of healthcare workers (HCWs) in South Korea, and examined trends of OBEs after implementing blood exposure prevention (BEP) programmes. The study was conducted between 1 January 1992 and 31 December 2001 at a university-affiliated acute care hospital in Seoul. The BEP programmes comprised in-service education, hepatitis B virus (HBV) vaccination, and postexposure evaluation and prophylaxis. From 959 reported cases of OBEs, the crude incidence density (ID) was 2.62 cases per 100 person-years. The major risk groups for OBEs were physicians (ID 4.34) and new employees. The major type of OBE was from sharps injuries, including needlesticks (94.0%). OBE cases occurred more frequently during the spring (36.4%). The frequency of the serological tests of anti-hepatitis B surface antigen of HCWs changed significantly each year (P<0.05). The major serological risk for source patients was HBV (52.1%), but the risks for hepatitis C virus (HCV) and human immunodeficiency virus (HIV) increased significantly each year (P<0.05). There were no seroconversion cases following OBEs among the tested HCWs. In summary, we established the epidemiological characteristics of OBEs in a South Korean university hospital, and reduced the risk of OBEs of major risk groups by BEP programmes. We also found an increase in the risk of HCV and HIV during the study period, suggesting that OBEs could be a serious threat to HCWs.

Adult↗

PubMed1994

Prevalence of hepatitis C antibodies in clinical health-care workers.

Health-care workers are known to be at risk from occupational transmission of blood-borne viruses, including hepatitis C. There may be serious implications following infection with hepatitis C including possible transmission to patients. We determined the prevalence of hepatitis C virus (HCV) antibodies among health-care workers at risk of occupational contact with blood and body fluids and among source patients in reported blood-exposure incidents. Anonymised stored blood samples from health-care workers immunised against hepatitis B virus since 1991 (n = 1053) and blood samples from source patients in needlestick injuries (retrospective and prospective) since 1989 (n = 373) were analysed. 3 (0.28%) of the serum samples from health-care workers were found to be anti-HCV-positive. 17 (8.5%) of 200 source patients tested retrospectively between January 1989 and January 1992, and 24 (13.9%) of 173 source patients tested prospectively between January 1992 and June 1993 were anti-HCV-positive. During the second period, 15 (10.6%) of 142 source patients tested for human immunodeficiency virus (HIV) were positive and 7 (3.8%) of 184 source patients tested for hepatitis B surface antigen were positive. 6 of 24 (25%) HCV-infected patients were diagnosed only after the incident; for hepatitis B, 2 (33%) of patients were diagnosed after the incident, and for HIV all patients were previously diagnosed. The seroprevalence of HCV among these health-care workers is no higher than that reported in blood donors.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

PubMed1999

Counselling patients with hepatitis C.

Hepatitis C virus (HCV) is usually but not exclusively transmitted by the parenteral route. Some precautions are recommended for infected patients as well as his/her close contacts and family members. The risk of sexual transmission and from household contacts is very low. Use of condoms is only recommended in cases of multiple partners and for those at high risk of transmission. Some personal objects should not be shared, i.e. razors, toothbrushes and nail clippers, but it is not necessary to avoid sharing eating utensils. Sexual partners may be tested for anti-HCV HCV-positive individuals should refrain from donating blood, organs and tissue. Clear and evidenced-based information should be provided to patients as to the means of prevention with special attention to individual risk groups such as IV drug abusers. The risk of HCV transmission after needlestick injury, although low, justifies universal precaution measurements for health-care workers. Nosocomial transmission has been described after medical procedures, especially haemodialysis and endoscopy. Thus, disinfection procedures as well as universal precautions are essential for all health-care workers. It is also important for HCV patients to inform health-care workers beforehand about their HCV status. Perinatal transmission is rare and is usually related to the degree of maternal viral load. Pregnancy is not contra-indicated in HCV. infected individuals and breast-feeding is allowed. Finally, HCV patients with active disease should be advised to refrain from alcohol intake, especially during antiviral therapy. After HCV infection it is necessary to consider not only diagnostic and therapeutic steps but also the risk of transmission in the patient's circle and consequences for the patient.

Counseling↗

PubMed1996

Incidence of non-A, non-B and HCV positive hepatitis in healthcare workers in Italy.

In Italy, using figures from a surveillance system for acute viral hepatitis, the incidence rate of acute non-A, non-B hepatitis (NANBH) and hepatitis C virus (HCV) hepatitis cases was evaluated in healthcare workers (HCWs) and the general population of the same age over the period 1988-1994. The NANBH incidence among the general population declined from 4.7/100,000 in 1988 to 2.1/100,000 in 1994; the corresponding figures among HCWs were 12.3/100,000 (RR 2.62; CI 95% = 1.66-4.15) in 1988 and 4.3/100,000 (RR 2.05; CI 95% = 1.13-3.77) in 1994. Since 1991, NANBH cases have been tested for antibodies to HCV (anti-HCV). During the period 1991-1994 the proportion of NANBH cases tested for anti-HCV was 81% (38/47) in HCWs and 85% (1019/1193) in other NANBH cases. A similar proportion of NANBH cases in each group (74% and 70%) were shown to be due to HCV. The incidence rate of HCV positive cases among the general population was 1.3/100,000 in 1991 and 1.8/100,000 in 1994; the corresponding figures among HCWs were 3.7/100,000 (RR 2.85; CI 95% = 1.42-5.92) in 1991 and 3.1/100,000 (RR 1.72; CI 95% = 0.88-3.59) in 1994. The proportion of cases with jaundice was 56.2% in HCWs and 63.7% in the general population. Needlestick injury without major risk factors such as blood transfusion, intravenous drug use or surgical intervention was reported by 12.0% of HCWs and by 0.1% of the general population. Lack of any risk factor was reported by 40.2% of HCWs. These findings strongly suggest that in Italy healthcare workers are at greater risk than the general population of acquiring NANBH, as well as HCV.

Acute Disease↗

PubMed2001

[Accidents with biological material in health care workers in 2 primary health care areas (1990-1999)].

OBJECTIVE: To find out the exposures with biological material in health care workers in primary health care, registered in the biological accidents database from Preventive Medicine Service in Miguel Servet Universitary Hospital of Zaragoza. DESIGN: Descriptive study of a retrospective cohort. SITE: Primary health care, Areas II and V of Zaragoza.Participants. Workers in this areas, distributed by: physician, nursing staff, auxiliary, orderly, housekeeping staff, others. MEASUREMENTS AND MAIN RESULTS: Data of: workers, accident, serologic source, worker protection and vaccinal status of hepatitis B. The incidence of accidents was 26 (period 1997-1999). Most proportion of accidents were declared by nursing (78%). The highest occupational incidence was in auxiliary (63 ). In 90,1% of the cases, the accident was needlestick injury. The source was known in 67,7% of cases. The accidents occurred in hands in 96,8% of cases, and only one third of workers carried gloves. CONCLUSIONS: Results obtained are similar with previous studies about this event. We must insist on the need to declare these accidents, providing more information and accessibility for the declaration to worker. Moreover, we must insist on the correct application in the health care field of the standard precautions, because almost 50% of accidents are evitable, and to increase hepatitis B vaccination covertures.

Accidents, Occupational↗

PubMedDate not supplied

[The incidence and distribution of accidents with biological fluids among health personnel and the general population].

OBJECTIVES: To assess the informative usefulness of the Registry, to calculate the incidence rates of accident with biological fluids among health care workers and in the community, to know about the postaccident rate of seroconversion to HIV and to identify risk groups. METHODS: A descriptive study of the HIV records file of the Registry of Accidental Contacts to Biological Fluids in the Clinic Hospital of Zaragoza was conducted, between January 1987 and September 1993. The registry includes the reports of health care workers and the general population of Health Area III in Aragón (Spain), except for the Calatayud's Hospital. Incidence rates, rate ratios and their 95% confidence intervals were calculated. RESULTS: A total number of 595 accidents were reported, in none of them and HIV infection occurred subsequently. The incidence rate in health care workers was of 1.7 reports per 100 workers per year, while in the community it was of 8.1 per 100,000 people. The housekeeping staff was the group with a higher incidence (rate = 6.7; 95% IC: 3-14.8) and the type of accident more frequently described was needlestick injury. CONCLUSIONS: The incidence of reported accidents has increased in the community and in health care workers, which may be due to the increase in the reporting. In health care workers, the incidence in 1993 was within the range reported from other countries. The perception of risk is universal after accidents with unknown biological fluids. The correct disposal of material with biological contamination should be the more important preventive action.

Accidents, Home↗

PubMed1996

Changes in dentists' infection control practices, knowledge, and attitudes about HIV over a 2-year period.

OBJECTIVE: To investigate changes in the infection control practices, attitudes, and knowledge of dentists as they relate to HIV/AIDS: STUDY DESIGN: A comparison of responses to surveys conducted in 1992 (n = 258) and 1994 (n = 262) with the use of univariate/multivariate analyses and McNemar's test for paired data. RESULTS: The response rate were > 70%. There were significant increases in reports of continuing education related to HIV/AIDS, heat sterilization of handpieces, use of masks, and knowledge of risk of HIV infection after a needlestick injury. Significantly fewer respondents reported concerns about staff fears about HIV/AIDS: Reports of willingness to treat patients with HIV increased from 68% to 77%. The best predictors of willingness to treat changed from primarily infection control variables to lack of concern with respect to risk or loss of patients when treating persons with HIV. CONCLUSIONS: Increased use of infection control procedures and knowledge may be partly attributable to the introduction of mandatory continuing education in 1993.

Analysis of Variance↗