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PubMed1993

[Contact allergic dermatitis caused by plants].

In order to contribute to the setting of an accurate diagnosis and prophylaxis of phytodermatitis (PD) and to better understand eczematogenic characteristics of some plants, we present results of an allergologic analysis and review the plants which most commonly cause FD in our material. A total of 15 patients presenting with FD was examined. In all the cases we used a standard technique, patch test (PT); in cases supsective of contact urticaria syndrome (CUS) we used open PT, while photo PT was used for cases suspective of photo PD. We used fresh parts of the plants and standard allergen battery for epicutaneous testing (Department of Immunology, Zagreb). Depending on the profession of the subjects, tests with the material from working places with specific batteries of tests for specific professions were applied according to the recommendations of ICDRG. Tests with parts of the plants were carried out in 8 cases and in 5 controls. A total of 38 plants was examined. Positive PT was found for sisal, willow, parsnip, carrot, celery, spinach, green tomato, broomcorn, lemon skin, pyracantha, arborvitae, yucca, ficus, juniper tree, plane tree and greenhouse grass. In cases of positive PT for willow, carrot, celery, green tomato and grass, positive PT for Peru balsam (PB) was also detected, while in positive PT for lemon skin, a positive PT on turpentine was found as well. Negative results of PT for willow, carrot, celery, parsnip, green tomato, lemon and juniper tree and positive photo PT on greenhouse grass in controls, indicate that we have detected allergic PD on the above mentioned plants.

Dermatitis, Allergic Contact↗
PubMed1995

[The quality-of-life questionnaire with asthma patients: the Spanish version of the Asthma Quality of Life Questionnaire].

This paper describes the translation to Castilian and adaptation of a quality of life measurement instrument: the Asthma Quality of Life Questionnaire (AQLQ). The AQLQ, developed by Juniper et al, contains 32 items, 5 of which relate to habitual activities that the patient can choose from among a list of 26 possibilities. Answers are given on a scale of 7 points. To adapt this instrument for use in Spain, we subjected it to a process of translation/back translation by bilingual informants. The translated and original versions of each item, activity and answer option were evaluated as being totally equivalent (A), fairly equivalent but with some questionable wording (B), or of questionable equivalence (C). The naturalness and correctness of the Spanish version were also evaluated on a scale of 1 to 10. Three (9%) items and 1 (4%) activity were considered to be of questionable equivalence (C) and 12 (37%) items and 1 activity (4%) were considered to be of type B equivalence. The questionable aspects of types B and C equivalence were discussed in 2 meetings, along with expressions that were equivalent but unnatural or grammatically incorrect; the first meeting involved researchers and translators and the second was held with a group of 6 asthmatics. Consensus was finally obtained for each item and activity included in the second draft. That draft was then administered to another group of 7 patients in order to check comprehension and equivalence, after which a definitive version was produced by the researchers.(ABSTRACT TRUNCATED AT 250 WORDS)

Asthma↗
PubMed2001

Clinical predictors of health-related quality of life depend on asthma severity.

The National Asthma Education and Prevention Program guidelines define asthma severity before treatment by lung function and symptoms. It has been assumed, but not demonstrated, that improvement in these measures would translate into improvement in health-related quality of life (HRQL). Because HRQL is an important outcome in asthma management, we asked what are the determinants of HRQL? To address this question, we retrospectively analyzed HRQL data, as measured by the Juniper Asthma Quality of Life Questionnaire, in subjects with mild versus moderate-severe asthma from two clinical trials. We examined whether these traditional clinical outcomes have different relationships to HRQL depending on asthma severity. We also assessed whether the relationship between clinical outcomes and HRQL in subjects with moderate-severe asthma would change when subjects improved to mild-moderate disease with controller medication treatment. Lung function was not an independent predictor or determinant of HRQL at any level of asthma severity, whereas intensity of shortness of breath predicted HRQL at all levels of asthma severity. Rescue beta-agonist use independently predicted HRQL in subjects with mild asthma, but not in those with moderate-severe asthma. In subjects with moderate-severe asthma who improved to mild-moderate disease with controller treatment, rescue beta-agonist use predicted HRQL. We conclude that the independent determinants of HRQL vary according to asthma severity and change with asthma treatment.

Adult↗
PubMed2006

Respiratory symptoms, pulmonary function, and markers of inflammation among bar workers before and after a legislative ban on smoking in public places.

CONTEXT: Scotland prohibited smoking in confined public places on March 26, 2006. OBJECTIVE: To investigate the association of smoke-free legislation with symptoms, pulmonary function, and markers of inflammation of bar workers. DESIGN, SETTING, AND PARTICIPANTS: This prospective observational study was conducted in Tayside, Scotland from February-June 2006. One hundred five nonasthmatic and asthmatic nonsmoking bar workers were initially enrolled, of whom 77 completed the study per protocol. MAIN OUTCOME MEASURES: Respiratory and sensory symptoms, spirometry measurements, serum cotinine levels, peripheral inflammatory cell count, asthma quality-of-life scores, and exhaled nitric oxide levels were evaluated before and after introduction of the smoking ban. RESULTS: For the per-protocol analysis, the percentage of bar workers with respiratory and sensory symptoms decreased from 79.2% (n = 61) before the smoke-free policy to 53.2% (n = 41) (total change, -26%; 95% confidence interval [CI], -13.8% to -38.1%; P<.001) and 46.8% (n = 38) (-32.5%; 95% CI, -19.8% to -45.2%; P<.001) 1 and 2 months afterward. Forced expiratory volume in the first second increased from 96.6% predicted to 104.8% (change, 8.2%; 95% CI, 3.9% to 12.4%; P<.001) and then 101.7% (change, 5.1%; 95% CI, 2.1% to 8.0%; P = .002), and serum cotinine levels decreased from 5.15 ng/mL to 3.22 ng/mL (change, -1.93 ng/mL; 95% CI, -2.83 to -1.03 ng/mL; P<.001) and then 2.93 ng/mL (-2.22 ng/mL; 95% CI, -3.10 to -1.34 ng/mL; P<.001). The total white blood cell and neutrophil count was reduced from 7610 to 6980 cells/microL at 2 months (-630 cells/muL; 95% CI, -1010 to -260 cells/microL; P = .002) and from 4440 to 4030 cells/microL (-410 cells/microL; 95% CI, -740 to -90 cells/microL; P = .03), respectively. Asthmatic bar workers also had less airway inflammation, with a reduction in exhaled nitric oxide from 34.3 parts per billion (ppb) to 27.4 ppb 1 month after the ban (0.8-fold change; 95% CI, 0.67 to 0.96 ppb; P = .04), and Juniper quality-of-life scores increased from 80.2 to 87.5 points (7.3 points; 95% CI, 0.1 to 14.6 points; P = .049). CONCLUSIONS: Smoke-free legislation was associated with significant early improvements in symptoms, spirometry measurements, and systemic inflammation of bar workers. Asthmatic bar workers also had reduced airway inflammation and improved quality of life.

Adult↗
PubMed2004

Childhood asthma: exhaled markers of airway inflammation, asthma control score, and lung function tests.

Exhaled markers of airway inflammation become increasingly important in the management of childhood asthma. The aims of the present study are: 1) to compare exhaled markers of inflammation (nitric oxide, carbon monoxide, and acidity of breath condensate) with conventional asthma measures (lung function tests and asthma control score) in childhood asthma; and 2) to investigate the detectability of albumin, CRP, IL-6, IL-8, TNF-alpha, sICAM-1, and sTNF-R75 in the exhaled breath condensate (EBC) of asthmatic children. Thirty-two children with mild to moderate persistent asthma and healthy controls aged 6-12 years were studied. We measured exhaled NO and CO, and subsequently EBC was collected. Inflammatory mediators in EBC were measured using an enzyme-linked immunosorbent assay. Respiratory symptoms and asthma control were assessed using the asthma control questionnaire (ACQ) of Juniper et al. (Eur Respir J 1999;14:902-907). Exhaled NO showed a significant correlation with exhaled CO (r = 0.59, P < 0.05) and FEV1 (r = -0.59, P < 0.05), but not with ACQ score (r = 0.48, P = 0.06). Exhaled CO was correlated with prebronchodilator FEV1 (r = -0.45, P < 0.05), but not with asthma control (r = 0.18, P = 0.35). Acidity of EBC was significantly lower in asthmatic children than in healthy controls (P < 0.05), but did not correlate with any of the conventional asthma measures. We were not able to demonstrate the presence of CRP, IL-6, IL-8, TNF-alpha, sICAM-1, and sTNF-R75 in EBC. Albumin was found in two EBC samples of asthmatic children. We conclude that exhaled NO had a better correlation with lung function parameters and asthma control than exhaled CO and acidity of EBC, in mild to moderate persistent childhood asthma. However, exhaled NO, CO, and deaerated pH of EBC did not differ between asthmatic children and controls, possibly because of a too homogeneous and well-controlled study population. To further evaluate the clinical utility of exhaled markers in monitoring childhood asthma, more studies are required on a wider range of asthma severity, and preferably with repeated measurements of markers and of asthma control.

Adolescent↗
PubMed2002

Aerosolized essential oils and individual natural product compounds as brown treesnake repellents.

Chemical irritants useful as repellents for brown treesnakes (Boiga irregularis) were identified. Exposure to various compounds produced a range of intensities for locomotory behavior in snakes. Essential oils comprised of 10 g liter-1 solutions of cedarwood, cinnamon, sage, juniper berry, lavender and rosemary each were potent snake irritants. Brown treesnakes exposed to a 2-s burst of aerosol of these oils exhibited prolonged, violent undirected locomotory behavior. In contrast, exposure to a 10 g liter-1 concentration of ginger oil aerosol caused snakes to locomote, but in a deliberate, directed manner. We also tested specific compounds, all derivative of food and flavor ingredients. 10 g liter-1 solutions delivered as aerosols of m-anisaldehyde, trans-anethole, cineole, cinnamaldehyde, citral, ethyl phenylacetate, eugenol, geranyl acetate or methyl salicylate all acted as potent irritants for brown treesnakes. The individual ingredients were classified using cluster analysis into groups that promoted different levels of response by snakes. This study is the first to systematically investigate the irritant potential of natural products for snakes. These data will be useful in the development of practical pest management tools for snakes.

Aerosols↗
PubMed2004

Insecticidal effects of essential oils from various plants against larvae of pine processionary moth (Thaumetopoea pityocampa Schiff) (Lepidoptera: Thaumetopoeidae).

Along with sulfate turpentine, the essential oils obtained by steam distillation from nine plant species naturally grown in Turkish forests were tested at three different concentrations to evaluate their effectiveness against the larvae of pine processionary moth (Thaumetopoea pityocampa Schiff). The results indicated that the essential oils from the nine species and sulfate turpentine were effective against the larvae of T pityocampa. The most effective essential oil in the control of the larvae was steam-distilled wood turpentine, followed by thyme herb oil, juniper berry oil, laurel leaf oil, lavender flower oil, eucalyptus leaf oil, lavender leaf oil, cypress berry oil, essential oil of styrax and sulfate turpentine, respectively, in terms of mean mortality time. It is therefore feasible to use these essential oils as environment-friendly insecticides in the control of T pityocampa.

Animals↗
PubMed2005

In vitro susceptibility of Helicobacter pylori to botanical extracts used traditionally for the treatment of gastrointestinal disorders.

The gram-negative bacterium Helicobacter pylori (HP), identified in 1982, is now recognized as the primary etiological factor associated with the development of gastritis and peptic ulcer disease. In addition, HP infections are also associated with chronic gastritis, gastric carcinoma and primary gastric B-cell lymphoma. For centuries, herbals have been used in traditional medicine to treat a wide range of ailments, including gastrointestinal (GI) disorders such as dyspepsia, gastritis and peptic ulcer disease (PUD). However, the mechanism of action by which these botanicals exert their therapeutic effects has not been completely elucidated. As part of an ongoing screening program, the study assessed the in vitro susceptibility of 15 HP strains to botanical extracts, which have a history of traditional use in the treatment of GI disorders. Methanol extracts of Myristica fragrans (seed) had a MIC of 12.5 microg/mL; Zingiber officinale (ginger rhizome/root) and Rosmarinus officinalis (rosemary leaf) had an MIC of 25 microg/mL. Methanol extracts of botanicals with a MIC of 50 microg/mL included Achillea millefolium, Foeniculum vulgare (seed), Passiflora incarnata (herb), Origanum majorana (herb) and a (1:1) combination of Curcuma longa (root) and ginger rhizome. Botanical extracts with a MIC of 100 microg/mL included Carum carvi (seed), Elettaria cardamomum (seed), Gentiana lutea (roots), Juniper communis (berry), Lavandula angustifolia (flowers), Melissa officinalis (leaves), Mentha piperita (leaves) and Pimpinella anisum (seed). Methanol extracts of Matricaria recutita (flowers) and Ginkgo biloba (leaves) had a MIC > 100 microg/mL.

Curcuma↗
PubMed2002

Botanical medicines for the urinary tract.

Four important categories of urologic herbs, their history, and modern scientific investigations regarding them are reviewed. Botanical diuretics are discussed with a focus on Solidago spp (goldenrod) herb, Levisticum officinale (lovage) root, Petroselinum crispus (parsley) fruit, and Urtica dioica (stinging nettle) herb. Urinary antiseptic and anti-adhesion herbs, particularly Arctostaphylos uva-ursi (uva-uri) leaf, Juniperus spp (juniper) leaf, and Vaccinium macrocarpon (cranberry) fruit are reviewed. The antinephrotoxic botanicals Rheum palmatum (Chinese rhubarb) root and Lespedeza capitata (round-head lespedeza) herb are surveyed, followed by herbs for symptoms of benign prostatic hyperplasia, most notably Serenoa repens (saw palmetto) fruit, Urtica dioica root, and Prunus africana (pygeum) bark.

Humans↗
PubMed2006

Larvicidal effects of various essential oils against Aedes, Anopheles, and Culex larvae (Diptera, Culicidae).

Mosquitoes in the larval stage are attractive targets for pesticides because mosquitoes breed in water, and thus, it is easy to deal with them in this habitat. The use of conventional pesticides in the water sources, however, introduces many risks to people and/or the environment. Natural pesticides, especially those derived from plants, are more promising in this aspect. Aromatic plants and their essential oils are very important sources of many compounds that are used in different respects. In this study, the oils of 41 plants were evaluated for their effects against third-instar larvae of Aedes aegypti, Anopheles stephensi and Culex quinquefasciatus. At first, the oils were surveyed against A. aegypti using a 50-ppm solution. Thirteen oils from 41 plants (camphor, thyme, amyris, lemon, cedarwood, frankincense, dill, myrtle, juniper, black pepper, verbena, helichrysum and sandalwood) induced 100% mortality after 24 h, or even after shorter periods. The best oils were tested against third-instar larvae of the three mosquito species in concentrations of 1, 10, 50, 100 and 500 ppm. The lethal concentration 50 values of these oils ranged between 1 and 101.3 ppm against A. aegypti, between 9.7 and 101.4 ppm for A. stephensi and between 1 and 50.2 ppm for C. quinquefasciatus.

Animals↗
PubMed2006

Persistency of larvicidal effects of plant oil extracts under different storage conditions.

The persistency of larvicidal effects of 13 oils (camphor, thyme, amyris, lemon, cedarwood, frankincense, dill, myrtle, juniper, black pepper, verbena, helichrysum, and sandalwood) was examined by storage of 50-ppm solutions under different conditions (open, closed, in the light, and in the dark) for 1 month after the preparation of the solutions. The stored solutions were tested against Aedes aegypti larvae for four times during the storage period. Some oils under some conditions stayed effective until the last test, while some solutions had lost their toxicity during a short time after preparation. Thus, the mode of storage is absolutely important for the larvicidal effects. The fresh preparations were always the best.

Animals↗
PubMed2004

An ecosystem approach to combat desertification on the Colorado Plateau.

Desertification of shrub and grassland into pinyon-juniper woodland is occurring over much of the Colorado Plateau in the southwestern United States. As trees invade, they out-compete shrubs and grasses, increasing erosion rates and reducing infiltration of moisture into the soil. This has caused habitat problems for wildlife, and reduced forage for livestock. These impacts also affect the human communities that rely on ranching and tourism related to hunting. Past land use and management practices including heavy livestock grazing, fire suppression and introduction of exotic annual plants are believed to have led to current conditions. The Montrose office of the Bureau of Land Management has implemented an ecosystem-based program to reverse the desertification process on public land. The program is centered on detailed landscape objectives describing the desired vegetation mosaic on 360,000 ha of public land. The objectives outline proportions of plant seral stages and arrays of patch sizes for each planning unit. These objectives are based on priority management issues and the need to replicate a natural vegetation mosaic. Where the existing mosaic does not meet objectives, mechanical vegetation treatments and prescribed fire are used to create early and mid-seral patches on the ground. This restored vegetation pattern and type should be sustained over time through a natural fire regime and improved livestock management. Because many uncertainties exist, an adaptive management process is being used that allows mosaic objectives to be changed or processes modified where monitoring or scientific research indicate a need.

Animals↗
PubMed1993

Quality of life of subjects with occupational asthma.

BACKGROUND: The aim of the study was to assess the quality of life in subjects with occupational asthma after removal from exposure to the offending agent by comparison with a group of subjects paired for clinical and functional indices in order to show the separation between the two groups of subjects with a hypothesized different quality of life and relate the impairment in quality of life to anthropometric, clinical, and functional variables. METHODS: A previously described asthma quality of life questionnaire (Juniper EF, et al. Thorax 1992;47:76-83) was administered to two groups of subjects in a prospective manner. Information on the clinical and functional severity of asthma was obtained from each subject. Two groups of subjects were assessed: group 1, 134 subjects with occupational asthma who were seen more than 2 years after the diagnosis was confirmed, and group 2, 91 subjects who were seen in specialized asthma clinics of tertiary care hospitals for treatment of nonoccupational asthma and matched with 91 of the 134 subjects with occupational asthma from group 1 according to need for medication and (when available), baseline forced expiratory volume in 1 second (FEV1), and level of bronchial responsiveness. RESULTS: A statistically significant difference was seen in the four domains (asthma symptoms, limitation of activities, emotional dysfunction, environmental stimuli) and in the total score of the quality of life questionnaire between the two groups of matched subjects; the mean difference in the total score was 0.6 on a scale of 1 (no limitation or none of the time) to 7 (severe limitation or all the time). A weak but statistically significant correlation between the total score and several indices (FEV1, bronchial responsiveness and asthma severity) was generally obtained. CONCLUSION: The quality of life of subjects with occupational asthma is slightly less satisfactory than that of subjects paired for clinical and functional indices, although the magnitude of the difference is small; and quality of life is weakly correlated with clinical and functional indices.

Adult↗
PubMed1986

Plants used in phytotherapy, cosmetics and dyeing in the Pramanda district (Epirus, North-West Greece).

Thirty plants used in phytotherapy, cosmetics and dyeing in the Pramanda district (North-West Greece) are reported. For many plants (myrtle, phlomis, daphne, etc.) the uses are localized and not noted for other phytotherapies; some uses coincide with those existing in other zones of the Mediterranean (mint, thyme, red juniper, Hypericum, etc.). The plants used are the most common and most easily found in this area.

Coloring Agents↗
PubMed2004

Efects of the pine needle abortifacient, isocupressic acid, on bovine oocyte maturation and preimplantation embryo development.

Isocupressic acid (ICA) [15-hydroxylabda-8 (17), 13E-dien-19-oic acid], a labdane diterpene acid, isolated from ponderosa pine (Pinus ponderosa), Lodgepole pine (Pinus contorta), common juniper (Juniperus communis) and Monterey cypress (Cupressus macrocarpa), induces abortion in pregnant cows when ingested primarily during the last trimester. The objective of this study was to investigate the effects of isocupressic acid on bovine oocyte maturation (in vitro maturation (IVM)-Experiment I) and preimplantation embryo development (in vitro culture (IVC)-Experiment II) using in vitro embryo production techniques and to subsequently evaluate viability and developmental competence of ICA-cultured embryos via embryo transfer to recipient heifers (Experiment III). A complete randomized block experimental design was used. In Experiment I and II, isocupressic acid was added to IVM or IVC media at 0 (TRT1, control), 1.3 (TRT2), and 2.6 microg/ml (TRT3) Results from Experiment I and II indicated that ICA did not inhibit oocyte maturation and did not adversely affect preinpiantation embryo development. Furthermore, results from Experiment II demonstrated that isocupressic acid enhanced bovine preimplantation embryo development in vitro in a dose dependent manner. Subsequently, Day 8 (Day 0 = IVF) blastocysts cultured in vitro in the medium containing 2.6 microg/ml ICA were transferred to recipient heifers and resulted in normal pregnancies as determined by ultrasound imaging. Subsequently, all but two births were normal as evaluated by post natal veterinary examination. In conclusion, ICA showed no adverse effects on oocyte maturation and preimplantation embryo development in vitro or subsequent viability in vivo using the ICA concentrations and in vitro culture parameters of this study.

Animals↗
PubMed2006

Antimicrobial and antiplasmid activities of essential oils.

The antimicrobial and antiplasmid activities of essential oils (orange oil, eucalyptus oil, fennel oil, geranium oil, juniper oil, peppermint oil, rosemary oil, purified turpentine oil, thyme oil, Australian tea tree oil) and of menthol, the main component of peppermint oil, were investigated. The antimicrobial activities were determined on the Gram (+) Staphylococcus epidermidis and the Gram (-) Escherichia coli F'lac K12 LE140, and on two yeast Saccharomyces cerevisiae 0425 delta/1 and 0425 52C strains. The antiplasmid activities were investigated on E. coli F'lac bacterial strain. Each of the oils exhibited antimicrobial activity and three of them antiplasmid action. The interaction of peppermint oil and menthol with the antibiotics was studied on the same bacterial strain with the checkerboard method. Peppermint oil and menthol displayed additive synergy with oxytetracycline. A new mechanism of plasmid curing was established for one of the oil components.

Anti-Bacterial Agents↗
PubMed2005

Relationships among quality of life, severity, and control measures in asthma: an evaluation using factor analysis.

BACKGROUND: Validated psychometric tools measuring quality of life, asthma control, and asthma severity have been developed, but their relationships with each other and with other important patient-centered outcomes have not been rigorously assessed. OBJECTIVE: To use factor analysis to evaluate the relationships of these validated tools with each other and with other patient-centered outcomes. METHODS: Surveys were completed by a random sample of 2854 Health Maintenance Organization members age 18 to 56 years with persistent asthma. Surveys included demographic information; validated tools measuring generic (Short Form-12; SF-12) and asthma-specific (Juniper Mini Asthma Quality of Life Questionnaire; AQLQ) quality of life, asthma control (Asthma Therapy Assessment Questionnaire), and asthma symptom severity (Asthma Outcomes Monitoring System); self-described severity, control, and course over time; and history of acute exacerbations. RESULTS: Principal component analysis suggested a 5-factor model that accounted for approximately 59% of the variability. The most prominent rotated factor reflected asthma symptom frequency (19.4% of variability), was measured by the symptom subscale of the AQLQ, and was the only factor significantly related to the Asthma Therapy Assessment Questionnaire, Asthma Outcomes Monitoring System, or the self-reported assessments of severity, control, or course. Other factors included symptom bother (12.1% of variability), reflected by the environment and emotion AQLQ subscales; activity limitation (13.9% of variability), reflected by the activity AQLQ subscale and the SF-12 physical component scale; mental health (8.3% of variability), reflected by the SF-12 mental component scale; and acute exacerbations (5.0% of variability), not measured by any of the validated scales. CONCLUSION: Distinct components of patient-reported asthma health status can be identified by factor analysis. Distinct constructs of severity versus control cannot be identified by the use of these tools alone.

Adolescent↗