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496 records · Page 28Linked to original sources
PubMed1994

The tsetse (Diptera: Glossinidae) story: implications for mosquitoes.

In Zimbabwe, tsetse flies (Glossina spp.) are controlled using insecticide-impregnated baits. About 60,000 targets, baited with a blend of acetone, 1-octen-3-ol, 4-methylphenol, and 3-n-propylphenol, are deployed in tsetse-infested areas. The development of this control technology has been based on an understanding of the responses of tsetse to their hosts, using research tools that quantify single specific responses. this understanding required the development of new research tools, such as electrocuting devices and video techniques to analyze behavioral responses and gas chromatography linked to an electroantennogram to analyze responses of tsetse to components of host odor. The development of bait technology also required close interdisciplinary collaboration among entomologists, chemists, and electrophysiologists. It is suggested that the same approach to analyzing the responses of mosquitoes to their hosts will produce improved baits for mosquitoes. The low reproductive rate of tsetse, their sensitivity to insecticides, and, so far, the absence of insecticidal or behavioral resistance to insecticide-impregnated targets, makes them particularly susceptible to baits. These factors are not all present with other pests, including mosquitoes. Nonetheless, baits offer the prospect of being an important component in an integrated approach to controlling pests of man and his livestock, both as a complementary control technique and as a powerful monitoring tool.

Animals↗
PubMed1997

Five years of work-related injuries and fatalities in Minnesota. Agriculture: a high-risk industry.

This report describes the Minnesota Fatality Assessment and Control Evaluation Study (MN FACE), a federally funded initiative to study fatal injuries in the workplace. The purpose of the program is to investigate various types of occupational fatalities and to identify risk factors that contribute to work-related fatalities. Initially, the MN FACE program only investigated fatalities related to falls, confined spaces, and electrocutions. In 1994, MN FACE also began investigating fatalities associated with agricultural work. Agriculture continues to be one of the nation's most hazardous industries, ranking fourth among industries in the United States at high risk for work-related fatalities. MN FACE investigated 46 agriculture-related fatalities during 1994-95. Forty-one percent of the fatalities involved tractors, and 66% of these accidents were tractor rollovers. Other leading causes of agricultural fatalities included grain bin and manure pit asphyxiations.

Accidents, Occupational↗
PubMed1976

Human skin burns induced by defibrillator default current.

The attachment of various types of electronic instrumentation to a patient can lead to hazardous interactions. Component malfunction in a single piece of equipment connected to a patient may be totally innocuous. However, the same fault occurring in an identical piece of equipment functioning as one component in a network of monitoring and electrosurgical equipment can result in severe burns or even electrocution. This paper describes interaction between a defective defibrillator paddle and an electrosurgical unit. Burns and ventricular fibrillation resulting from this malfunction and interaction are described in detail and the electrical circuits are analyzed.

Burns, Electric↗
PubMed1998

A retrospective study of morbidity and mortality of raptors in Florida: 1988-1994.

A retrospective study was conducted on 390 raptors admitted to the University of Florida Veterinary Medical Teaching Hospital (VMTH) during 1988-1994. Representatives of 20 species were admitted; the five most common species were the barred owl (Strix varia, 72), eastern sreech owl (Otus asio, 63), red-shouldered hawk (Buteo lineatus, 49), bald eagle (Haleaeetus leucocephalus, 43), and red-tailed hawk (Buteo jamaicensis, 38). A primary clinical diagnosis was determined in 340 (87%) of the 390 raptors admitted to the VMTH; a diagnosis was not made for the remaining 50 birds. Eighty-two percent (279) had traumatic injuries, and 87% (243) of those were directly related to human activity. The primary clinical diagnoses in the remaining 61 raptors included toxicosis (21), poor nutrition (15), infectious disease (11), orphaned young (11), and electrocution (3). The disposition of the 390 raptors was as follows: 61% (237) died or euthanized, 21% (80) released to the wild, 15% (57) outcome unknown, and 4% (16) permanent captives. Necropsies were performed on 32 of the 237 raptors that died.

Animals↗
PubMed1998

Thoracoscopic sympathectomy for hyperhidrosis: is there a learning curve?

The aim of this study was to evaluate the learning curve of upper dorsal thoracoscopic sympathectomy. From June 1993 to December 1996, we performed 232 sympathectomies on 116 patients with primary palmar hyperhidrosis. The T2-T3 ganglia were resected by electrocuting and were removed for histologic examination. The series was divided into two groups of 58 patients each, and operations in each group occurred during a period of 21 months. Follow-up was obtained on 111 patients for a mean of 25.06+/-12.62 months. All limbs were dry after the operation, and hyperhidrosis did not recur. The anesthesia time was reduced, but the operating time, the difficulty in identifying and in resecting the ganglia, compensatory hyperhidrosis, postoperative neuralgia, and subjective satisfaction with the procedure were similar in both groups. The learning curve in the present study was mainly reflected by a reduction in the incidence of Horner's syndrome.

Adolescent↗
PubMed1998

[Subnormal functional activity in a neglected posterior dislocation of the shoulder].

The incidence of posterior shoulder dislocation ranges between 2 and 5% of glenohumeral dislocations. The mechanisms most frequently involved are trauma, grand-mal seizures and electrocutions. This lesion remains a diagnostic trap, due to paucity or even lack of clinical signs, and to the apparent normality of the anteroposterior radiograph of the shoulder. Nevertheless, careful clinical examination and an axillary radiograph often allow for a correct diagnosis. We report a case of traumatic posterior dislocation, unnoticed for 7 weeks. A satisfactory functional adaption of the dislocated shoulder to everyday life and the general condition of the patient lead us to select the notreatment option.

Activities of Daily Living↗
PubMed1998

[Dorsal sympathectomy for palmar hyperhidrosis by the thin thoracoscope].

The purpose of this study was to examine the efficiency to use by the thin thoracoscope for the palmar hyperhidrosis. General anesthesia with double lumen endotracheal intubation was used in all cases. A 2 mm incision made in the anterior axillary line in the third intercostal space. Pneumothorax was obtained by insufflation 1.5-2 L of CO2. A 2 mm endoscopic trocar was inserted through this incision, and a 2 mm, 0-degree scope (Autosuture, USA) was introduced. A second 2 mm trocar was inserted in the middle axillary line in the fourth intercostal space, through which a straight endoscopic seizer was introduced. The chain was dissected by electrocutting the white and gray rami and was incised over the second and third ribs. To avoid puemothorax, 8 F thoracic catheter was introduced through a guide wire which was inserted through a 2 mm trocar. The lung was expanded, and then the thoracic catheter was removed. We performed six sympathectomies on three female patients. All patients was satisfied of their results. This technique used by thin thoracoscope was cosmetic and a skin incision did not need to close too small.

Endoscopy↗
PubMed1996

Comparison of Two Methods for Judging Distances Near Overhead Power Lines.

Sixteen certified crane operators performed several series of boom movements toward a segment of a typical power line using a 100-ton lifting capacity crane equipped with an 18-m boom, a single lifting cable, and a hard ball hook. The operators were instructed to stop the crane movement when the lifting cable reached the edge of the danger zone located 3 m from the power line. To achieve each maneuver, they evaluated the distance between the nearest wire and their crane using two methods: free sighting and the use of highly visible markers delineating the edge of the danger zone. The dependent measure was the distance between the lifting cable and the edge of the danger zone. Results showed that operators were generally unreliable when judging the distance between their crane and the power line when sighting the power line directly, but the use of markers proved to be much more precise and reliable in targeting the edge of the danger zone.

crane↗