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PubMed2001

[Protection against biting mosquitoes].

The protection against arthropods especially disease transmitting mosquitoes is becoming more and more important. The problems with drugs used for treatment and prophylactic of malaria are rapidly growing due to emergence of resistant parasites and unwanted side effects. Furthermore the population living in endemic area often can't afford the new expensive drugs. A safe and effective way of preventing insect bites is needed. One can prevent arthropod born diseases by avoiding insect bites through physical and chemical means or a combination of both. Repellents are substances applied to the skin, which effectively prevent insects from biting. The gold standard is still Diethylbenzamine (DEET), which is highly effective, well documented and in use for more than 50 years. The new repellent Bayrepel (hydroxyethyl isobutyl piperidin carboxylate) available to the consumer since 1998, seems to have an efficacy comparable with DEET. Insecticides have a direct toxic effect on the nervous system of arthropods. Mainly synthetic pyrethroids, which produce less ecological problems than the older products, are used. They are supplied in form of sprays, vaporising mats or coils. An important progress is the combination of insecticides with physical means. Insecticide treated bed nets or clothes give an excellent protection. Topical or systemic Vitamin B1, acoustic devices and electrocuters are still sold and widely used although their complete ineffectivity is documented in many studies.

Animals↗
PubMed2005

[Protection against insects].

Successful protection against haematophagous insects and ticks, especially in areas where transmission of diseases occurs, requires a consistent application of a combination of appropriate measures. However, this can never substitute a chemoprophylaxis. Which measures have to be used depends on the circumstances under which they have to work. Indoor, physical means such as mosquito-screens on doors and windows, air-conditioners, and bed nets can be used to keep the insects away. These measures can be supplemented or supported by insecticides used as knock-down sprays, by electrical evaporation or for the treatment of screens and bed nets. In the field, if it is not possible to avoid mosquito-areas during phases of activity, appropriate clothing and repellents must provide the protection. Bright, wide pants and shirts of dense weaving covering as much skin as bearable should be preferred. Repellents are sprays, lotions, milks or creams which are evenly applied to the skin to prevent insects from biting. They contain synthetic or natural active substances of substantially varying effectiveness. The gold standard since about 60 years is diethylbenzamine (DEET). There are a few other active substances with a lower risk of side effects, however, combined with a lower effectiveness mainly on people with a high attractiveness for mosquitoes. Products containing an extract of Eucalyptus citriodora provide the best protection amongst those with natural active substances. Wearing bracelets or necklaces treated with repellents, acoustic devices (buzzers), electrocuters, topical or systemic Vitamin B1 or eating garlic are useless measures to prevent insects from biting.

Animals↗
PubMed2002

Myelopathy and amnesia following accidental electrical injury.

OBJECTIVE: Documentation of MRI and neurophysiological changes following accidental electrical injury. SETTING: Tertiary care referral teaching hospital at Lucknow, India. RESULTS: A 30-year-old lady developed amnesia and spastic paraparesis with loss of pin prick sensation below the second thoracic spinal segment following electrocution. Her spinal MRI was normal and cranial MRI revealed T2 hyperintensity in the right putamen. Peroneal, sural and electromyography were normal. Tibial central sensory conduction time was normal but central motor conduction time to lower limbs and right upper limb was prolonged. CONCLUSION: Neurophysiological study and MRI may help in understanding the pathophysiological basis of neurological sequelae following electrical injury.

Adult↗
PubMed2002

Torture and its neurological sequelae.

BACKGROUND: Refugees and asylum seekers continue to enter the United States and the European Union in record numbers. Some have estimated that between 5-35% of all refugees have suffered torture in their countries of origin. Although general practitioners and specialized physicians are likely to encounter victims of torture as patients, few providers are familiar with the health problems that may affect this patient population. PURPOSE: :To provide neurologists, neurosurgeons, and rehabilitation medicine physicians with basic knowledge about survivors of torture that can help in the diagnosis, treatment, and referral of such patients. METHODS: A MEDLINE (1966-October 2001) search using keywords torture and sequelae (nervous system diseases and brain injuries) was conducted. Other data sources included books, reference lists, online resources and expert opinion. FINDINGS: :Forms of torture that may affect the nervous system include beatings, gunshot wounds, stab wounds, asphyxiation, prolonged suspension and electrocution. Victims of torture commonly experience neurological symptoms such as headaches, vertigo, loss of consciousness and dizziness during and after torture. A successful and meaningful clinical interaction with a survivor of torture includes avoiding retraumatization, building trust, spelling out any limits on confidentiality, and above anything else, establishing empathy with the patient. CONCLUSIONS: Neurological sequelae of torture can be devastating physically and psychologically. The treatment of these neurological conditions does not differ from other patient populations. However, the clinical approach is unique and must focus on avoiding retraumatization and helping the victim reintegrate into society as quickly as possible.

Comorbidity↗
PubMed1998

Activity patterns in Glossina longipennis: a field study using different sampling methods.

Studies n the daily activity of Glossina longipennis at Galana Ranch using a black odour-baited electrocuting target confirmed its crepuscular activity profile. Activity started at 05.00-05.30 hours and peaked at 06.00-06.30 hours, stopped by 09.00 hours, then started again at 17.00-17.30 hours with a peak at 18.30-19.00 hours, ceasing by 19.30 hours. Females made up 60% of the overall catch, and tended to arrive later than males. Other stationary sampling methods (trap, stationary ox) gave similar results. With the stationary methods, very few flies were caught outside the periods of peak activity (only 1.5% of the total between 09.00 and 17.00 hours); the ox was the only stationary bait to catch any flies between 10.00 and 16.00 hours. More flies were caught throughout the day at mobile baits (8.3% of the male and 2.3% of the female catch was taken between 09.00 and 17.00 hours). Mobile baits caught considerably more males than females (females were 17% of the catch). These males had on average higher fat and haematin reserves. Similar nutritional differences were not observed for females. There were fewer older females (ovarian category 3 or more) in mobile compared to stationary baits, and a lower proportion of the youngest males (wing fray category 1) at natural compared with artificial baits.

Age Factors↗
PubMed1999

Good luck and good management: the miracle escape.

This case study illustrates the importance of education and training in the early management of reverse trauma in the rural setting. It clearly demonstrates the importance of ensuring a safe approach including an outline for the appropriate management of electrocution.

Accidents, Traffic↗
PubMed2000

Early adolescent suicide: a comparative study.

A study was undertaken of suicides in children and adolescents aged 16 years and under in South Australia, (Australia), and in San Diego County (USA) from January 1985 to December 1997. In South Australia there were 48 cases of youth suicide, representing 2% of the total number of 2251 suicides over that time. There were 34 males and 14 females (age range 13 to 16 years; mean = 15.3 years), with 22 hangings (46%), six gunshot wounds (13%), five train deaths (10%), four drug overdoses (8%), four jumping deaths (8%), three self immolations (6%), three carbon-monoxide inhalations (6%) and one electrocution (2%). In San Diego County there were 70 cases, representing 1.6% of the total number of 4492 suicides. There were 48 males and 22 females (age range 11 to 16 years; mean = 14.7 years), with 41 gunshot wounds (59%), 21 hangings (30%), six drug overdoses (9%), and two jumping deaths (3%). Preferred methods of suicide differed between the two areas, with significantly more gunshot suicides in San Diego compared to South Australia. The methods of suicide also differed in South Australia from older age groups, with more hangings, jumping deaths and self immolations, and fewer firearm and carbon monoxide inhalation deaths. Suicides in adolescents under the age of 17 years in both populations were, however, rare, with no demonstrable increase in numbers over the time of the study.

Journal Article↗
PubMed1993

Solitary polyp of posterior urethra in children: report on seventeen cases.

Seventeen cases of a solitary polyp of posterior urethra in children (ages ranged between 4 months and 12 years) are presented. All patients were treated endoscopically using a 10 Fr. pediatric cystoscope, equipped with a straight ahead lens, and a Bugbee 3 Fr. electrode to fulgurate the stalk of the polyp through the urethra, without meatotomy. No complications or relapses are recorded, which proves the safety and the efficiency of the transurethral endoscopic resection in all pediatric ages. With the exception of one case, the smallest polyp of the series, lost because entirely burnt during the electrocution, all polyps were recuperated and examined histologically. The dimensions of the polyps ranged from 4 mm to 27 mm length. Their shape varied from a long "cordon-like" peduncle to a short stalk, "balloon-like" appendix. The histologic features were similar, the main component was an axis of connective tissue and vessels, surrounded by transitional epithelium, usually described as a fibroepithelial polyp.

Child↗
PubMed1994

Autoerotic deaths: four cases.

We describe the circumstances and post mortem medical findings of 4 unusual fatalities where death occurred during autoerotic practice. Three cases occurred in young to middle-aged men--hanging, electrocution and inhalation of a zucchini. The manner of death in each was accidental. The fourth case was an elderly man who died of ischemic heart disease, apparently whilst masturbating with a vacuum cleaner and a hair dryer.

Adult↗
PubMed2001

Rehabilitation of a quadruple amputee subsequent to electrical burns sustained whilst hang gliding.

PURPOSE: The purpose of this article is to describe the management, difficulties encountered and level of independence achieved during the initial stage of a quadruple amputee's rehabilitation. METHOD: This is a case study of the rehabilitation of the first known person losing all four limbs due to electrocution whilst hang gliding. RESULTS: The patient became a successful upper limb prosthetic user and returned to work six hours a day. Full independence in activities of daily living was not achieved nor considered practical. Independent walking was accomplished in physiotherapy. however an electric wheelchair remains the only functional means of mobility. CONCLUSION: The rehabilitation is described in detail to assist those managing such a rare and complex case.

Activities of Daily Living↗
PubMed2002

Fatal occupational injuries in the North Carolina construction industry, 1978-1994.

Occupational injury is a major public health problem and the cause of high rates of fatalities. The construction industry is one of the leading industries for on-the-job fatalities. The North Carolina Medical Examiner's system was used to identify all fatal unintentional injuries that occurred on the job in the state's construction industry between 1978 and 1994. The populations at risk were estimated from the 1980 and 1990 U.S. censuses. There were 525 identified deaths. All except two decedents were male, and the majority were Caucasian (79.2%). The mean age of decedents was 39 years. Death rates were higher among older workers. The crude fatality rate for the overall study period was 15.4 per 100,000 worker-years, with higher rates found among African-Americans (22.9) than among Caucasians (14.5). Occupations within the industry with the highest rates were laborers (49.5), truck drivers (43.2), operating engineers (37.2), roofers (32.8), and electricians (29.0). Falls (26.7%), electrocutions (20.4%), and motor vehicle accidents (18.9%) were found to be the leading causes of death. These findings suggest a need for continued attention to the hazards of heights and electric currents and a need for occupational safety standards for motor vehicles. This study also suggests that the hazards facing construction laborers require further investigation.

Accidents, Occupational↗
PubMed1999

Mortality among North Carolina construction workers, 1988-1994.

This study evaluated proportionate mortality patterns among all male construction workers in North Carolina who resided and died in North Carolina during the period 1988-1994. Proportionate Mortality Ratios (PMRs) and Proportionate Cancer Mortality Ratios (PCMRs) compared the number of deaths among male construction workers with the number of deaths expected based on the gender, race, and cause-specific mortality experience of the entire North Carolina population by five-year age groups for the same years of study. PMRs based on United States death rates also were calculated. Among all male construction workers, significantly elevated mortality was observed for several causes possibly related to work including malignant neoplasms of buccal cavity (PMR = 143), pharynx (PMR = 134), and lung (PMR = 113), pneumoconiosis (PMR = 111), transportation accidents (PMR = 106), and accidental falls (PMR = 132). Elevated mortality also was observed for causes more related to lifestyle and non-occupational factors including alcoholism (PMR = 145), cirrhosis of the liver (PMR = 129), accidental poisoning (PMR = 136), and homicide (PMR = 141). Patterns of elevated mortality for Whites and Black men were similar and PCMR mortality patterns for Blacks and Whites combined were similar to PMRs. Construction workers were at significantly increased risk for deaths resulting from falls from ladders or scaffolds, falls from or out of buildings or structures, and electrocutions. Construction trades found to have statistically elevated cancer risks include laborers and roofers (buccal cavity), painters (pharynx), laborers (peritoneum), and carpenters, painters, brick masons, and operating engineers (lung). These data are consistent with other reports demonstrating excess mortality from asbestos-related diseases (pneumoconiosis, lung cancer, and mesothelioma) among construction workers. Dry-wall workers and laborers were found to have a statistically elevated risk of death as a result of respiratory tuberculosis.

Adolescent↗
PubMed2002

The significance of suicide notes in the elderly.

Suicide notes are traditionally considered as markers of the severity of the suicide attempt and are said to provide valuable insight into the thinking of suicide victims before the fatal act. Few studies have described the characteristics of elderly suicide note-writers and their final thoughts. This study is a retrospective view of suicide notes obtained from coroners' records of all elderly suicides in Cheshire over a period of 10 years, 1989-1998. Out of 125 suicides, 54 (43%) had suicide notes, which were reported in the coroner's records. Of these there were 31 (57%) male and 23 (43%) female subjects. Elderly suicide note-leavers were more likely to be unknown to psychiatric services (p < 0.01) and to have used a non-violent method of suicide (p < 0.01). Sex, marital status, social isolation, mental or physical morbidity did not appear to be linked with leaving a suicide note. More cases that took an overdose, used plastic bags, electrocuted themselves, or used car exhaust also left suicide notes. Those who died by more violent means such as hanging, drowning, jumping from height, immolation or wounding appeared less likely to have left a suicide note. No statistically significant difference in the content of the suicide notes was observed in relation to sex or age. Many elderly are isolated and may have no one to write a note to, while others have lost the ability to express themselves. Therefore, it is not possible to say that the different incidence of note leaving observed for suicide was due to differing levels of suicidal intent. Although only a proportion of elderly suicide victims leave suicide notes, the absence of a suicide note must not be considered an indicator of a less serious attempt.

Aged↗
PubMedDate not supplied

Fatal occupational injuries in the construction industry of a new development area in east China, 1991 to 1997.

Two hundred thirty-five work-related deaths occurred in the construction industry in a new economic development area in eastern China between 1991 and 1997. These fatalities represented 55% of all occupational deaths. The average annual mortality rate was 51.5 per 100,000 construction workers. Falls were the leading cause of death (46.4%). Falls, collisions, struck by/against something, electrocutions, and excavation cave-ins were the main fatality antecedents, accounting for nearly 93.6% of all fatalities. The most common antecedents for incidents with multiple fatalities were falls, crane-related events, poisoning, and fire. These categories of antecedents were similar to those encountered in the construction industry in the United States. These data suggest that organizations need to focus on these event types when planning their prevention activities. Moreover, improved surveillance systems including computerized databases with narrative descriptions of injury events, antecedent factors, and person-time at-risk data are needed to target interventions more precisely.

Accidents, Occupational↗
PubMed1998

Shock chloramination: potential treatment for Chironomidae (Diptera) larvae nuisance abatement in water supply systems.

In the early 1990s, infestations of midge larvae (Chironomidae, Chironomus sp.) were discovered in the potable water system of Tel Aviv, Israel. Control measures, such as draining and cleaning tanks, spraying water into the tank's air space, and electrocution traps of midge adults, were either inadequate or ineffective. In this system, monochloramine concentrations of up to 0.75 mg/liter are used routinely as a secondary disinfectant. This chemical was tested in the laboratory as a toxicant of midge larvae. The mortality of 4th instar midge larvae after short exposure to high chloramine concentrations (LC50 values of 32 mg/liter for 75 min) suggested the efficacy of instituting a Shock Chloramination treatment program. Tanks were partially drained until they contained only 20 cm of water and were then temporarily disconnected. Chloramine was added to this water to produce a concentration of approximately 70 mg/liter for 1-2 h. Subsequently, all dead chironomids were flushed out, and the tank was refilled to attain the operational volume of water. A 2nd identical treatment of water in the tank was suggested 7 d later to kill midges from reproductive adults and egg-masses that survived the 1st treatment. This treatment program was tested in commercial covered tanks and gave complete control of these pests for 6-10 wk. These results suggest that this treatment program may effectively prevent midge outbreaks in Israel's drinking water supply system during the height of the summer.

Animals↗
PubMed2002

Managing the horn fly (Diptera: Muscidae) using an electric walk-through fly trap.

An electric walk-through fly trap was evaluated for the management of the horn fly, Hematobia irritans (L.), on dairy cattle in North Carolina over 2 yr. The trap relies on black lights and electrocution grids to attract and kill flies that are brushed from the cattle passing through. During the first season, horn fly densities were reduced from >1,400 to <200 flies per animal. Horn fly density averaged 269.2 +/- 25.8 on cattle using the walk-through fly trap twice daily, and 400.2 +/- 43.5 on the control group during the first year. The second year, seasonal mean horn fly density was 177.3 +/- 10.8 on cattle using the walk-through fly trap compared with 321.1 +/- 15.8 on the control group. No insecticides were used to control horn flies during this 2-yr study.

Animals↗
PubMed1989

Seasonal abundance of Musca vitripennis (Diptera: Muscidae) on Terceira, Azores.

Data from pyramid and electrocuting traps as well as records of Musca vitripennis Meigen interceptions on cargo aircraft indicate that M. vitripennis adults reach peak abundance on Lajes Field, Azores, from mid-August through mid-October. Disinsection of military cargo aircraft and other quarantine actions to prevent accidental movement of flies from the Azores to airports in the United States are required during this period.

Aircraft↗