Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “VACCINATION COMPLICATIONS”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 919 records · Page 51Linked to original sources
PubMed1995

Practices and policies for influenza immunization in old people's homes in Nottingham (UK) during the 1992-1993 season: potential for improvement.

BACKGROUND: The elderly residents of nursing and old people's homes are at substantially increased risk from influenza and its complications. Annual vaccination is therefore strongly recommended by the UK Departments of Health. However, few data exist on the uptake of influenza vaccine in this setting; this was last estimated to be 45 percent in 1988-1989. A major epidemic of influenza A occurred in 1989-1990 which may have changed vaccination behaviours. METHODS: A structured interview survey was conducted in 49 old people's homes in Nottingham to determine practices and policies for influenza vaccine. The medical records of 151 randomly selected elderly residents were examined to determine vaccine uptake in the 1992-1993 season. RESULTS: Twenty-five homes (52.1 percent) claimed to operate a policy for influenza immunization but only 3 (12.0 percent) were written down and none set targets. Methods of vaccine promotion were generally weak. Accordingly, vaccine uptake was only 39.6% percent (95 percent confidence interval 33.2-46.0). CONCLUSIONS: In contrast to other high-risk groups living in the open community, no improvement in influenza vaccine uptake has occurred in nursing and old people's homes since the late 1980s. Future attempts to increase vaccine uptake in this setting should focus on developing joint policies between general practitioners and home staff to facilitate better co-ordinated programmes of vaccine promotion and administration.

Aged↗
PubMed1996

[Hospital infection and some aspects of its immunoprophylaxis].

The review deals with the causes and main agents of the hospital infection occurring in surgical units. Special attention is given to the formation of the hospital isolate of the agent. A method of prevention of postoperative infective complications by vaccines prepared of these particular isolated has been proposed.

Bacterial Vaccines↗
PubMed1997

[Vaccinations in immunosuppressed patients].

In immune deficiency of any cause, immunization is of great interest to avoid preventable infectious diseases but the risk of adverse events and suboptimal immunologic responses has to be considered. For live, attenuated vaccines, the main risks are post-immunization complications, especially in severely immunocompromised people. For killed or inactivated vaccines, there are no contra-indications, but the immune response is reduced, leading to consider higher vaccine doses or more frequent boosters. However, the response to such modifications of vaccine schedules has not been systematically evaluated and definitive recommendations cannot be made at this time. In addition, in HIV infection, the effect of vaccination on viral replication has to be evaluated. In developing countries some live vaccines are still recommended in HIV+ children because of the prevalence of the target-diseases (measles, poliomyelitis, tuberculosis...) and the rarity of vaccine complications.

Contraindications↗
PubMed1976

Laboratory investigations on "postvaccinall rabies" caused by live sheep-brain vaccine.

The viral ethiology of postvaccinal complications among 30 dogs vaccinated by live antirabies vaccine (Umeno-Doi type, sheep brain vaccine) was fully confirmed. Three lots of virulent vaccine were inoculated subcutaneously into groups of "Wistar" rats according to the different schemes. Between the 1st and 12th day after the end of the vaccination there were no isolations of fixed virus in direct and blind i.c. passages of suspensions made from the thalamus area on succkling mice and rats. Also the viral antigen in the CNS of vaccinated but apparently healthy rats was undetectable. The "postvaccinal rabies" with the next isolation of fixed r.v. in the CNS was developed experimentally in rats only following the subcutaneous injection of the crude sheep-brain's and spinal cord's suspensions--composing the materials to production of antirabies vaccine.

Animals↗
PubMed1981

[The pathogenesis of postvaccinal complications].

Paraspecific reactions to vaccines are -- induction of autoimmune mechanisms, -- immunosuppression, -- induction of inflammation (i.e. "reactogenicity"). These undesirable side effects of vaccination are important factors in pathogenesis of postvaccinal complications. Using the model of experimental vaccinia virus infection the paraspecific reactions could be demonstrated in several animal species. Cell mediated hypersensitivity to brain tissue antigen and basic encephalitogenic protein occurred following vaccinia infection in guinea pigs. In infected rabbits humoral anti-brain antibodies could be detected. The immune response to sheep erythrocytes in mice was tested by determining the number of plaque forming cells in the spleen after specific immunization. Vaccinia virus injected prior to or simultaneously with immunization strongly reduced the number of plaque forming cells in the spleen. The reactogenicity of bacterial and viral vaccines could be determined by means of a simple hemolytic plaque assay in mice. This assay represents the degree of enzymatic lysosomal activity of macrophages. The methods described might be useful to test the innocuity and tolerance of new vaccines.

Animals↗
PubMed2003

Influenza vaccination among veterans with spinal cord injury: Part 2. Increasing vaccination rates.

BACKGROUND/OBJECTIVE: Respiratory complications are the leading cause of morbidity and mortality among individuals with spinal cord injury (SCI). Influenza vaccination is effective in reducing the likelihood of contracting influenza and of subsequent respiratory complications, hospitalizations, and deaths. Historically, vaccination rates for veterans with SCI treated in Veterans Affairs (VA) facilities have been low. The objective of this study was to increase vaccination rates in this population using a multipronged strategy. METHODS: A quasi-experimental design involving 2,284 veterans treated at 8 VA SCI Centers was used. Patients at 4 centers received reminder letters and educational materials tailored to SCI. Provider education included mailed reminders and posters in SCI clinical areas. Clinical champions were identified at each site. Four other centers, matched to the study sites in program size and prior vaccination rates, served as comparison sites providing usual care. Vaccination rates were assessed using mailed surveys with telephone follow-up. RESULTS: The influenza vaccination rate was significantly higher in the intervention group than in the comparison group (60.5% vs 54.3%; P = 0.01 ). Vaccine recipients were older than nonrecipients (mean age 60.8 vs 53.1 years; P < 0.0001). Reasons for not receiving a vaccination included refusal, feeling that being vaccinated was not worth the trouble, and not believing that the vaccine would prevent influenza. CONCLUSIONS: Use of low-cost mailed reminders and educational materials resulted in significantly higher vaccination rates. Further efforts to reach targeted subgroups of nonrecipients, such as patients who are younger or from an ethnic minority, are warranted.

Aged↗
PubMed2004

Staff influenza vaccination: lessons learned.

Respiratory complications are the top cause of morbidity and mortality among persons with spinal cord injury/disorders (SCI/D). One method to protect patients with SCI/D from complications is to reduce exposure to influenza through vaccination of health care workers (HCWs). This study examined the extent to which HCWs promoted safe, quality care for patients with SCI/D as related to their beliefs about, and receipt/non-receipt, of influenza vaccination. Surveys were distributed to HCWs at 23 SCI/D centers within the Veterans Health Administration (VHA). Vaccination rates, reasons for receipt/non-receipt, and possible associations were examined. The response rate was 53% (n = 820). The SCI/D staff influenza vaccination rate was 50%, with the lowest rates among nurses. The most common reason for vaccination was self-protection. The most common reason for not being vaccinated was concern about side effects. Of providers who recommended the vaccine to patients, significantly more (60%) received the vaccine; p = .000.

Attitude of Health Personnel↗
PubMed1982

Neurological complications of immunization.

Vaccines prepared from whole, killed organisms (pertussis and possibly influenza) may cause neurological allergic reactions producing encephalopathy. These reactions are characterized by acute, monophasic demyelinative processes and occur with no greater frequency than 1 per 100,000 vaccine recipients; onset is within 4 days of immunization, and recovery is usually complete. No evidence suggests that these vaccines produce an insidious, progressive encephalopathy. Only with the swine influenza program of 1976 has Guillain-Barré syndrome appeared to follow immunization. Vaccines prepared from live-attenuated viruses (measles, mumps, rubella, and trivalent oral poliovirus) can cause symptomatic viral infection of the nervous system, including measles encephalitis, which occurs in 1 of 1,000,000 vaccine recipients; rubella neuritis, in less than 1 of 10,000 recipients; and paralytic poliomyelitis, in 1 of 3,000,000 vaccine recipients or their close contacts. A cause-and-effect relationship between immunization and brachial plexus neuritis, acute transverse myelitis, and cranial neuropathies has been suggested but never proved.

Adolescent↗
PubMed2006

Measuring immunization coverage among preschool children: past, present, and future opportunities.

Control of vaccine-preventable diseases depends on maintaining high levels of immunization coverage. Immunization coverage among preschool children remains suboptimal in some areas and sociodemographic subgroups, as well as for more recently introduced vaccines, leaving susceptible young children vulnerable to complications from vaccine-preventable diseases. This paper reviews approaches historically used to measure immunization coverage among preschool children in the United States. The strengths and weaknesses of various approaches to measuring immunization coverage among preschool children are explored, with emphasis on the current means to measure national immunization coverage-the National Immunization Survey. Methods for measuring immunization coverage among preschool children at local and state levels are also evaluated. Future opportunities and challenges for measuring immunization coverage at the local, state, and national levels are explored.

Centers for Disease Control and Prevention, U.S.↗
PubMed1993

[Systemic urticaria disclosing post-vaccine lupus tuberculosis].

The authors report a case of association between lupus vulgaris and urticarial vasculitis after BCG vaccination. Lupus vulgaris is a rare classical complication of BCG vaccination. Anaphylactoid reactions after BCG are very rare. This is the first report of association between the two diseases after BCG and the third report of urticaria after BCG. The pathogenesis of this is discussed.

Adult↗
PubMed1997

[Acute disseminated encephalomyelitis].

Acute disseminated encephalomyelitis (ADEM) occurs late in the course of viral infection, mainly exanthematous diseases such as measles, chicken pox, and rubella. Postinfectious encephalomyelitis is characterized by immune-mediated demyelination, which is found in experimental autoimmune encephalomyelitis (EAE), and virus cannot be isolated from the central nervous system. The investigations using animal models infected with. Theiler's virus or measles virus would be very useful for clarifying the mechanisms of demyelination induced by viral infection. Although the incidence of postvaccinal encephalomyelitis has fallen markedly due to development of vaccines, the neurological complications following immunization are still reported. The vaccines prepared from viruses other than live-attenuated viruses and whole-killed organisms have never been proved to induce ADEM.

Animals↗
PubMed1993

What are the complications of influenza and can they be prevented? Experience from the 1989 epidemic of H3N2 influenza A in general practice.

OBJECTIVES: In an epidemic: to measure the incidence and risk of complications of influenza; to determine the effect of pre-existing disease on complications; to estimate vaccine uptake and efficacy. DESIGN: Case-control study. SETTING: Primary care: two group practices. SUBJECTS: 342 of the 395 cases of clinically diagnosed influenza reported to the general practice surveillance of infectious diseases scheme of the Public Health Laboratory Service during the 1989 epidemic, and 342 age and sex matched controls. INTERVENTIONS: Examination of records. MAIN OUTCOME MEASURES: Documented recognised complications; hospital admission; previous vaccination. RESULTS: Of 15 recognised complications, bronchitis was the commonest (rate 190.1/1000 cases) and significantly commoner in cases (summary odds ratio 9.7) after adjusting for higher consultation rates (mean 6.1 per annum v 4.2 among controls; p < 0.0001). No deaths were recorded. The risk of bronchitis complicating influenza was higher in patients with pre-existing illnesses regarded as an indication for vaccination (odds ratio 3.3; p < 0.0001). Observed vaccination efficacy in those with pre-existing illnesses and in elderly subjects was high (63% and 77% respectively) but uptake was low (4.5% and 6.1% respectively). CONCLUSIONS: Bronchitis complicates about one fifth of all cases of influenza presenting to general practitioners. Patients with pre-existing illnesses regarded as an indication for vaccination are particularly at risk. Vaccine uptake is extremely low, precluding an unequivocal demonstration of a protective effect.

Adolescent↗