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Inner ear decompression sickness and inner ear barotrauma in recreational divers: a long-term follow-up 2003 Israel Naval Medical Institute, Israel Defense Forces Medical Corps, PO Box 8040, Haifa 31080, Israel. shupak@internet-zahav.net
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
The Laryngoscope
Periodical, Abbrev.
Laryngoscope
Pub Date Free Form
Dec
Volume
113
Issue
12
Start Page
2141
Other Pages
2147
Notes
LR: 20051117; JID: 8607378; 0 (Extracellular Matrix Proteins); 0 (Fish Proteins); 0 (saccule-specific protein, Lepomis macrochirus); 9007-34-5 (Collagen); ppublish
Place of Publication
United States
ISSN/ISBN
0023-852X; 0023-852X
Accession Number
PMID: 14660917
Language
eng
SubFile
Journal Article; IM; S
DOI
10.1097/00005537-200312000-00017 [doi]
Output Language
Unknown(0)
PMID
14660917
Abstract
OBJECTIVES/HYPOTHESIS: The objectives were to report the authors' experience with the long-term follow-up of patients with diving-related inner ear decompression sickness and inner ear barotrauma and to discuss residual cochlear and vestibular damage in relation to the question of fitness to dive. STUDY DESIGN: Retrospective consecutive case series. METHODS: Eleven recreational divers with inner ear decompression sickness and nine with inner ear barotrauma (IEB) were followed. A complete otoneurological physical examination and laboratory evaluation were carried out. The latter included audiometry, electronystagmography, a rotatory chair test using the sinusoidal harmonic acceleration protocol, and computerized dynamic posturography. RESULTS: Residual cochleovestibular deficits were found in 10 (91%) of the patients with inner ear decompression sickness and 3 (33%) of those with IEB (P <.02, Fisher's Exact test; odds ratio, 20). A significantly shorter follow-up period was required for the inner ear barotrauma group (P <.05, simple t test) because three patients (33%) recovered completely within 1 month of the diving accident. Eight patients had residual vestibular deficits on follow-up, but only one (12.5%) was symptomatic. However, five (56%) of the nine patients who had a cochlear insult, as documented by follow-up audiometry, complained of significant hearing loss and tinnitus. CONCLUSION: Inner ear decompression sickness carries a high risk for residual inner ear damage despite hyperbaric oxygen recompression therapy. A favorable prognosis might be anticipated for inner ear barotrauma. The finding that most patients with residual vestibular deficits were asymptomatic at the time of follow-up emphasizes the need for a complete vestibular evaluation, including specific bedside testing and laboratory examinations, before a return to diving activity may be considered.
Descriptors
Adult, Aged, Audiometry, Barotrauma/etiology/physiopathology, Collagen, Decompression Sickness/etiology/physiopathology, Diving/injuries, Ear, Inner/injuries, Electronystagmography, Extracellular Matrix Proteins, Female, Fish Proteins, Follow-Up Studies, Humans, Male, Prognosis, Retrospective Studies, Vestibular Function Tests
Links
Book Title
Database
Publisher
Data Source
Authors
Shupak,A., Gil,A., Nachum,Z., Miller,S., Gordon,C. R., Tal,D.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Common utility tunnel for utility services at Putrajaya, new administrative centre of Malaysia 2003 Adnan, S.M., SMHB Sdn. Bhd., Consulting Engineers, 55100 Kuala Lumpur, Malaysia
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Water Science and Technology: Water Supply
Periodical, Abbrev.
Water Sc.Technol.Water Supply
Pub Date Free Form
2003/
Volume
3
Issue
2-Jan
Start Page
29
Other Pages
34
Notes
Place of Publication
ISSN/ISBN
1606-9749
Accession Number
Language
SubFile
DOI
Output Language
Unknown(0)
PMID
Abstract
With the requirement for utilities to be installed in a protected environment at Putrajaya, the new Administrative Centre for the Federal Government of Malaysia, a common utility tunnel has been developed, designed and is currently under construction. The common utility tunnel (CUT) complements the "No Dig" policy of Putrajaya and offers year-round access for inspection and maintenance of utilities laid inside the tunnel. The design of the CUT incorporates features for phased construction of the CUT and installation of utilities. The utilities to be housed inside the CUT are electrical power cables, water pipe, chilled water pipes, gas pipe, multimedia cables and telecommunication cables. This paper discusses the move behind the implementation of the CUT and describes the planning and design of the CUT. This is the first time that an effort has been made in Malaysia to get all the utility providers to agree to have the various utilities in a common tunnel and also on cost-sharing of the capital and maintenance expenditure.
Descriptors
conference paper, cost, environmental impact, environmental planning, Malaysia, pipeline, telecommunication
Links
Book Title
Database
Embase
Publisher
Data Source
Embase
Authors
Adnan,S. M., Heng,T. K.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Smoking among secondary-school boys in Bahrain: Prevalence and risk factors 2003 Al-Haddad, N., Gulf Air Medical Services, Gulf Air, Al-Muharraq, Bahrain
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Eastern Mediterranean Health Journal
Periodical, Abbrev.
East.Mediterr.Health J.
Pub Date Free Form
/
Volume
9
Issue
2-Jan
Start Page
78
Other Pages
86
Notes
Place of Publication
ISSN/ISBN
1020-3397
Accession Number
Language
SubFile
DOI
Output Language
Unknown(0)
PMID
Abstract
To determine the prevalence of smoking among male secondary school students in Bahrain and to identify their risk factors for smoking, we surveyed a random sample of students by questionnaire. The prevalence of smoking was 26.6%, 25.5% and 25.4% among first-year, second-year and third-year students respectively. Cigarettes (21.0%), water-pipes (13.0%) and cigars (1.6%) were popular. Smokers and non-smokers had similar socioeconomic profiles, but differed in degree of disapproval of smoking shown by close contacts and whether close contacts were smokers. The prevalence of smoking among male secondary-school students in Bahrain did not decline despite intense anti-smoking efforts in the last decade, perhaps indicating the effectiveness of tobacco advertising and promotions that target youth.
Descriptors
adolescent, adult, advertizing, article, Bahrain, child health care, smoking, controlled study, health survey, high school, human, male, prevalence, questionnaire, randomization, risk factor, sampling, socioeconomics, student
Links
Book Title
Database
Embase; MEDLINE
Publisher
Data Source
Embase
Authors
Al-Haddad,N., Hamadeh,R. R.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Oral hygiene, dietary pattern and smoking habits of Bedouin (nomadic Arabs) population in Saudi Arabia. 2003 Almas, K., King Saud University, College of Dentistry, Riyadh, Saudi Arabia.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Odonto-stomatologie tropicale = Tropical dental journal
Periodical, Abbrev.
Odontostomatol.Trop.
Pub Date Free Form
/
Volume
26
Issue
103
Start Page
19
Other Pages
23
Notes
Place of Publication
ISSN/ISBN
0251-172X
Accession Number
Language
SubFile
DOI
Output Language
Unknown(0)
PMID
Abstract
The estimated population of the Bedouins are up to two million in the Kingdom of Saudi Arabia, but relatively little information is available about them. The aim of the study was to assess the oral hygiene dietary pattern and smoking habits of Saudi Bedouins population around Medina, Qaseen and Khamis Moshayte areas. Five hundred and twenty five Bedouins (296 male, 229 female) with the age range 2-90 years were interviewed and examined clinically over a period of four months (July to October 1998). It was found that 25% of the subjects were miswak users, 30% used miswak and tooth brush, while 26% never cleaned their teeth. Almost 50% of the subjects were regular in their oral hygiene habits. Seventy percent were rice eaters while meat and dates were second and third preference. Tea was the most common drink with 2-3 teaspoons of sugar per cup. Only ten percent were cigarette smokers and less than 5% used shisha (traditional smoking pipe). It is concluded from the study that within the surveyed Bedouin population one fourth of them never cleaned their teeth while almost the same number used miswak (Chewing stick) to clean their teeth. Rice was the most common food item, while tea with refined sugar was the most common drink. Only 15% were smoker. Further research is needed with a larger and a more representative sample of Bedouins from the Kingdom of Saudi Arabia.
Descriptors
adolescent, adult, aged, Arab, article, child, diet, female, human, male, methodology, middle aged, mouth hygiene, preschool child, Saudi Arabia, smoking, statistics, sugar intake, tea, utilization review
Links
Book Title
Database
MEDLINE
Publisher
Data Source
Embase
Authors
Almas,K., al-Amri,M., al-Eid,A., al-Shahrani,S.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Determination of organic micropollutants in rainwater using hollow fiber membrane/liquid-phase microextraction combined with gas chromatography-mass spectrometry 2003 Department of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore 117543, Singapore.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
17-Oct
Volume
1016
Issue
1
Start Page
11
Other Pages
20
Notes
LR: 20090115; JID: 9318488; 0 (Organic Chemicals); 0 (Water Pollutants, Chemical); ppublish
Place of Publication
Netherlands
ISSN/ISBN
0021-9673; 0021-9673
Accession Number
PMID: 14601824
Language
eng
SubFile
Journal Article; IM
DOI
Output Language
Unknown(0)
PMID
14601824
Abstract
A simple and rapid liquid-phase microextraction (LPME) method using a hollow fiber membrane (HFM) in conjunction with gas chromatography-mass spectrometry (GC-MS) is presented for the quantitative determination of 16 polycyclic aromatic hydrocarbons (PAHs) and 12 organochlorine pesticides (OCPs) in rainwater samples. The LPME conditions were optimized for achieving high enrichment of the analytes from aqueous samples, in terms of hollow fiber exposure time, stirring rate, sample pH, and composition. Enrichment factors of more than 100 could be achieved within 35 min of extraction with relative standard deviations (R.S.D.s) 1.3-13.6% for PAHs and 1.7-13.8% for OCPs, respectively, over a wide range of analyte concentrations. Detection limits ranged from 0.002 to 0.047 microg l(-1) for PAHs, and from 0.013 to 0.059 microg l(-1) for OCPs, respectively. The newly developed LPME-GC-MS method has been validated for the analysis of PAHs and OCPs in rainwater samples. Extraction recoveries from spiked synthetic rainwater samples varied from 73 to 115% for PAHs and from 75 to 113% for OCPs, respectively. Real rainwater samples were analyzed using the optimized method. The concentrations of PAHs and OCPs in real rainwater samples were between 0.005-0.162, and 0.063 microg l(-1), respectively.
Descriptors
Gas Chromatography-Mass Spectrometry/methods, Organic Chemicals/analysis, Rain, Reference Standards, Reproducibility of Results, Sensitivity and Specificity, Water Pollutants, Chemical/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Basheer,C., Balasubramanian,R., Lee,H. K.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Evaluation of indoor BTX in an outskirt zone of Rome (Italy) 2003 Istituto sull'Inquinamento Atmosferico CNR, Via Salaria km 29.3, C.P. 10, 00016-Monterotondo Scalo RM, Italy. bertoni@iia.mlib.cnr.it
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Annali di Chimica
Periodical, Abbrev.
Ann.Chim.
Pub Date Free Form
Jan-Feb
Volume
93
Issue
2-Jan
Start Page
27
Other Pages
33
Notes
LR: 20131121; JID: 7610375; 0 (Air Pollutants); 0 (Xylenes); 3FPU23BG52 (Toluene); J64922108F (Benzene); ppublish
Place of Publication
Italy
ISSN/ISBN
0003-4592; 0003-4592
Accession Number
PMID: 12650571
Language
eng
SubFile
Journal Article; IM
DOI
Output Language
Unknown(0)
PMID
12650571
Abstract
Correlation between indoor and outdoor levels of BTX (benzene, toluene and the sum of ethyl benzene, o-xylene, m-xylene and p-xylene) has been investigated at thirteen homes, thirteen classrooms and related outdoor atmospheres. Non smoking people and low polluted sites were chosen for this campaign, in order to highlight if commonly used domestic materials could act as internal sources. Data, obtained by employing long-term diffusive samplers over a three-month period, are compared with a parallel experiment showing the day-night indoor/outdoor trend. The obtained results let us conclude that there is evidence of internal sources at homes whilst in the schools depletion phenomena prevail, probably due to the walls adsorption.
Descriptors
Air Pollutants/analysis, Air Pollution, Indoor/analysis, Benzene/analysis, Cities, Environmental Monitoring, Housing, Humans, Italy, Schools, Toluene/analysis, Xylenes/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Bertoni,G., Tappa,R., Ciuchini,C.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
An international survey of indoor air quality, ventilation, and smoking activity in restaurants: a pilot study 2003 R. J. Reynolds Tobacco Co. Winston-Salem, North Carolina, USA.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of exposure analysis and environmental epidemiology
Periodical, Abbrev.
J.Expo.Anal.Environ.Epidemiol.
Pub Date Free Form
Sep
Volume
13
Issue
5
Start Page
378
Other Pages
392
Notes
LR: 20151119; JID: 9111438; 0 (Pyridines); 0 (Tobacco Smoke Pollution); 0 (Vinyl Compounds); 142M471B3J (Carbon Dioxide); 6M3C89ZY6R (Nicotine); R9ZU09Z27A (3-vinylpyridine); ppublish
Place of Publication
England
ISSN/ISBN
1053-4245; 1053-4245
Accession Number
PMID: 12973366
Language
eng
SubFile
Journal Article; Multicenter Study; IM
DOI
10.1038/sj.jea.7500284 [doi]
Output Language
Unknown(0)
PMID
12973366
Abstract
During a pilot study of indoor air quality in restaurants, a survey was performed in 34 medium-priced restaurants in six countries in Asia, Europe, and North America using a uniform protocol. The concentration of selected constituents of environmental tobacco smoke (ETS) present in occupied areas was determined during lunch and dinner periods by measuring the levels of four particulate-phase markers and two gas-phase markers. The particulate-phase markers determined were respirable suspended particles, ultraviolet particulate matter, fluorescing particulate matter, and solanesol particulate matter. The gas-phase markers were nicotine and 3-ethenylpyridine (3-EP). Correlation between the markers was investigated to explore an improved monitoring approach. It was concluded that at least one marker in each phase was necessary to describe adequately the ETS load. An assessment was made of the ventilation system in each restaurant, and effective ventilation rates were determined based on CO(2) measurements. Smoking activity was also monitored. These data were used to model nicotine and 3-EP concentrations that resulted in a satisfactory prediction of their levels, especially at the higher concentrations. A total number of 1370 questionnaires were returned by the restaurant patrons in five countries. In some countries, dissatisfaction rates above 20% were observed for draft, freshness of air, and noise. The dissatisfaction rates related to tobacco smoke were less than 20%, which is lower than would be predicted based on measured ETS levels. Based on the results of this international pilot study, recommendations are given for future studies of this type.
Descriptors
Air Pollution, Indoor/analysis, Carbon Dioxide/analysis, Europe, Far East, Humans, Nicotine/analysis, Pilot Projects, Pyridines/analysis, Restaurants, Smoking/adverse effects/epidemiology, Statistics, Nonparametric, Surveys and Questionnaires, Tobacco Smoke Pollution/analysis, United States, Ventilation, Vinyl Compounds/analysis
Links
Book Title
Database
Publisher
Data Source
Authors
Bohanon,H. R.,Jr, Piade,J. J., Schorp,M. K., Saint-Jalm,Y.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Juvenile nitrogen uptake capacities and root architecture of two open-pollinated families of Picea abies. Effects of nitrogen source and ectomycorrhizal symbiosis 2003 Unite Mixte de Recherches Sol et Environnement, Equipe Rhizosphere & Symbioses, Institut National de la Recherche Agronomique, 2 Place Viala, 34060 Montpellier, France.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of Plant Physiology
Periodical, Abbrev.
J.Plant Physiol.
Pub Date Free Form
Oct
Volume
160
Issue
10
Start Page
1211
Other Pages
1218
Notes
LR: 20151119; JID: 9882059; 0 (Amino Acids); 0 (Nitrates); 0 (Quaternary Ammonium Compounds); N762921K75 (Nitrogen); ppublish
Place of Publication
Germany
ISSN/ISBN
0176-1617; 0176-1617
Accession Number
PMID: 14610890
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
S0176-1617(04)70512-X [pii]
Output Language
Unknown(0)
PMID
14610890
Abstract
This study was carried out to find early physiological differences occurring in young seedlings between two contrasting Picea abies open-pollinated families (OPF), one with high- and one with low-growth performance in the field by, determining their N uptake capacities and their root architecture. We used three potential N-sources in forest soil solution, NO3-, NH4+ and amino acids, to establish N uptake rates by the plants, whether or not associated with a fungus isolated from the field and identified as Paxillus involutus. NO3- fluxes were determined locally at the root surface using NO3(-)-selective microelectrodes whereas NH4+ and amino acid (L-glutamate and L-aspartate) uptake rates were calculated from their depletion of the incubation solution by the whole root system. Root systems were digitised in order to determine the number and the length of different root types. In non-mycorrhizal plants, the results showed that the most distinguishing parameters between OPF were NO3- uptake rates measured in the white tip of the secondary roots and the root architecture, with higher values determined in high-growth than in low-growth field performance OPF. The presence of the mycorrhizal fungus decreased NO3- uptake rates in both OPF and had an opposite effect on root architecture by increasing it in low-growth and decreasing it in high-growth field performance OPF, respectively. In non-mycorrhizal plants, NH4+ and amino-acid uptake rates were not different between OPF. Mycorrhizal symbiosis did not change NH4+ uptake rates whereas it increased that of amino acids, specifically that of L-aspartate in the low-growth field performance OPF. Taken together these results suggest that the measurement of local fluxes in roots of young plants could be a good potential tool for the early evaluating of growth capacity of Picea abies OPF.
Descriptors
Amino Acids/metabolism, Biological Transport, Active, Mycorrhizae/metabolism, Nitrates/metabolism, Nitrogen/metabolism, Picea/growth & development/metabolism/microbiology, Plant Roots/anatomy & histology/metabolism/microbiology, Quaternary Ammonium Compounds/metabolism, Seedlings/metabolism/microbiology, Symbiosis
Links
Book Title
Database
Publisher
Data Source
Authors
Boukcim,H., Plassard,C.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Oscillations of plants&#39; stems and their damping: Theory and experimentation 2003 Spatz, H.-C., Institut für Biologie III, Universität Freiburg, 79104 Freiburg, Germany
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Philosophical Transactions of the Royal Society B: Biological Sciences
Periodical, Abbrev.
Philos.Trans.R.Soc.B Biol.Sci.
Pub Date Free Form
2003/09
Volume
358
Issue
1437
Start Page
1487
Other Pages
1492
Notes
Place of Publication
ISSN/ISBN
0962-8436
Accession Number
Language
SubFile
DOI
Output Language
Unknown(0)
PMID
Abstract
Free oscillations of upright plants' stems, or in technical terms slender tapered rods with one end free, can be modelled by considering the equilibrium between bending moments and moments resulting from inertia. For stems with apical loads and negligible mass of the stem and for stems with finite mass but without top loading, analytical solutions of the differential equations with appropriate boundary conditions are available for a finite number of cases. For other cases approximations leading to an upper and a lower estimate of the frequency of oscillation ω can be derived. For the limiting case of ω = 0, the differential equations are identical with Greenhill's equations for the stability against Euler buckling of slender poles. To illustrate, the oscillation frequencies of 25 spruce trees (Picea sitchensis (Bong.) Carr.) were compared with those calculated on the basis of their morphology, their density and their static elasticity modulus. For Arundo donax L. and Cyperus alternifolius L. the observed oscillation frequency was used in turn to calculate the dynamic elasticity modulus, which was compared with that determined in three-point bending. Oscillation damping was observed for A. donax and C. alternifolius for plants' stems with and without leaves or inflorescence. In C. alternifolius the difference can be attributed to the aerodynamic resistance of the leaves, whereas in A. donax structural damping in addition plays a major role.
Descriptors
biological model, biomechanics, comparative study, conference paper, Cyperus, elasticity, oscillometry, physiology, plant stem, Poaceae, spruce, United Kingdom
Links
Book Title
Database
MEDLINE
Publisher
Data Source
Embase
Authors
Brüchert,F., Speck,O., Spatz,H. -C
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Asset planning for water reticulation systems - The PARMS model 2003 Burn, S., CSIRO Bldg. Construction/Engineering, Highett, Vic. 3190, Australia
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Water Science and Technology: Water Supply
Periodical, Abbrev.
Water Sc.Technol.Water Supply
Pub Date Free Form
2003/
Volume
3
Issue
2-Jan
Start Page
55
Other Pages
62
Notes
Place of Publication
ISSN/ISBN
1606-9749
Accession Number
Language
SubFile
DOI
Output Language
Unknown(0)
PMID
Abstract
Traditionally water reticulation systems have been operated so that pipeline repair/renewal occurs on a reactive basis, based upon the number of failures, the consequence of failure and the cost. Planning for future replacements and the costs associated with these has been based upon a best guess of pipe lifetimes, which have generally been very conservative, when compared to the actual pipe life obtained. Factors such as the required level of customer service, trade-offs between repair and renewal, or operating practices such as pressure reduction or shut-off block reduction have not been widely considered, except when they are required under the water authorities operating licence. To allow long-term strategies to be implemented for the repair/renewal of water pipelines, a Pipeline Asset and Risk Management System (PARMS) is being developed. This planning model has been designed to allow a range of "what if" scenarios to be analysed to determine their effects on water authorities' long-term costs. This model is based upon whole of life costing and includes data on externality and customer impact costs. It analyses the failures of individual pipe assets, rather than the traditional practice of predicting failure of pipe cohorts, currently used by many authorities. This paper discusses the application of the PARMS planning model to allow selection of pipeline repair/renewal, and briefly analyses the influences that a range of customer service or operating decisions can have on a water authority's capital and operational expenditure.
Descriptors
authority, conference paper, cost benefit analysis, environmental planning, pipeline, risk management, water supply
Links
Book Title
Database
Embase
Publisher
Data Source
Embase
Authors
Burn,S., Tucker,S., Rahilly,M., Davis,P., Jarrett,R., Po,M.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors