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PubMed1989

An evaluation of the Saskatchewan pit and fissure sealant program: a longitudinal followup.

The Saskatchewan Health Dental Plan (SHDP) is a publicly funded dental insurance program for children between the ages of five and 16 years residing in the province. In 1981, fissure sealants were added as a covered expense. Until September 1, 1987, sealants and other dental treatments covered under the SHDP were provided to schoolchildren by dental therapists in dental clinics established in elementary schools throughout the province. After September 1, 1987, the provision of dental services was transferred to private practitioners in the province. The objectives of this study were to (1) estimate the retention rates of sealants after one, two, and three years of placement; and (2) conduct a longitudinal followup of sealed and unsealed sound teeth to measure the effectiveness of sealants in reducing dental caries incidence. Relative to the first objective, a cohort of children was identified and comparisons were carried out for the periods of 1982-83, 1982-84, and 1982-85. For the last objective, a longitudinal evaluation of effectiveness was carried out only for children five to seven years of age in 1981. Saskatchewan children, who experienced higher caries prevalence than children in the United States, had the highest caries increments on occlusal surfaces of posterior teeth. About 79 percent of the sealants applied by dental therapists were retained three years after application. Sealed teeth experienced 46 percent less caries than unsealed teeth four years after the application of sealants.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

PubMed2006

Prevalence of Escherichia coli O157 in Saskatchewan cattle: characterization of isolates by using random amplified polymorphic DNA PCR, antibiotic resistance profiles, and pathogenicity determinants.

The prevalence of Escherichia coli O157 associated with feedlot cattle in Saskatchewan was determined in a 10-month longitudinal study (3 feedlots) and a point prevalence study (20 feedlots). The prevalence of E. coli O157 at the three different sites in the horizontal study varied from 2.5 to 45%. The point prevalence of E. coli O157 among Saskatchewan cattle from 20 different feedlots ranged from 0% to a high of 57%. A statistically significant (P = 0.003) positive correlation was determined to exist between the density of cattle and the E. coli O157 prevalence rate. A significant correlation (P = 0.006) was also found between the E. coli O157 percent prevalence and the number of cattle housed/capacity ratio. All 194 E. coli O157 isolates obtained were highly virulent, and random amplified polymorphic DNA PCR analysis revealed that the isolates grouped into 39 different E. coli O157 subtypes, most of which were indigenous to specific feedlots. Two of the most predominant subtypes were detected in 11 different feedlots and formed distinct clusters in two geographic regions in the province. Antimicrobial susceptibility testing of the E. coli O157 isolates revealed that 10 were multidrug resistant and that 73 and 5 were resistant to sulfisoxazole and tetracycline, respectively.

Animal Feed↗

PubMed1995

Neisseria meningitidis with decreased susceptibility to penicillin in Saskatchewan, Canada.

Moderately penicillin-resistant Neisseria meningitidis is rare in North America. We report an outbreak of meningococcal disease in Saskatoon, Saskatchewan, Canada, with serogroup C N. meningitidis. The MICs of penicillin ranged from 0.12 to 0.25 micrograms/ml, and all isolates showing decreased susceptibility had identical genomic fingerprints when they were compared by pulsed-field gel electrophoresis. Our data indicate that N. meningitidis that is moderately resistant to penicillin is prevalent in Saskatchewan, Canada.

Adolescent↗

PubMed2004

Microsatellite markers provide evidence for sexual reproduction of Mycosphaerella graminicola in Saskatchewan.

This study examined the genetic structure of a Saskatchewan population of Mycosphaerella graminicola, cause of the foliar disease Septoria tritici blotch of wheat. Such knowledge is valuable for understanding the evolutionary potential of this pathogen and for developing control strategies based on host resistance. Nine pairs of single-locus microsatellite primers were used to analyze the genomic DNA of 90 isolates of M. graminicola that were collected using a hierarchical sampling procedure from different locations, leaves, and lesions within a wheat field near Saskatoon. Allelic series at eight different loci were detected. The number of alleles per locus ranged from one to five with an average of three alleles per locus. Genetic diversity values ranged from 0.04 to 0.67. Partitioning the total genetic variability into within- and among-location components revealed that 88% of the genetic variability occurred within locations, i.e., within areas of 1 m(2), but relatively little variability occurred among locations. Low variability among locations and a high degree of variability within locations would result if the primary source of inoculum was airborne ascospores, which would be dispersed uniformly within the field. This finding was confirmed by gametic disequilibrium analysis and suggests that the sexual reproduction of M. graminicola occurs in Saskatchewan.

Alleles↗

PubMed2006

Low vision rehabilitation services: the Saskatchewan experience.

From a suitcase carrying various magnifiers in 1955, the Saskatchewan Low Vision Clinic has enlarged -- and the affiliated Canadian National Institute for the Blind (CNIB) has slimmed down through provincial amalgamation and budgetary cutbacks. Now, aids range from magnifiers to closed-circuit televisions, new technologies can be obtained on loan from the CNIB, and some financial assistance is available. Because Saskatchewan is still comparatively rural, with 60% of the population distributed throughout the province outside the two major urban areas, access to low vision services can be a problem. Increasing use of specialized counsellors, however, is helping deal with specific needs, and we hope to add psychologists, occupational therapists, and social workers as money is available.

Health Services Accessibility↗

PubMed2003

Longitudinal decline in lung function measurements among Saskatchewan grain workers.

OBJECTIVE: To evaluate the relationship between the long term effects of grain dust and decline in lung function among grain elevator workers in Saskatchewan, studied over a 15-year period. METHODS: The Grain Dust Medical Surveillance Program was started by Labour Canada in 1978 and longitudinally studied the respiratory health of Canadian grain elevator workers over a 15-year period (1978 to 1993). Data on respiratory symptoms and pulmonary function tests (forced expiratory volume in 1 s [FEV1], forced vital capacity [FVC]) were collected once every three years; each three-year interval was called a 'cycle'. Data from Saskatchewan were analyzed for this report. A transitional model using the generalized estimating equations approach was fitted using a SAS macro to predict the annual decline in FEV1 and FVC. RESULTS: Previous lung function, as one of the covariates in the transitional model, played an important role. Significant predictors of FEV1 were previous FEV1, base height, weight, years in the grain industry, current smoking status, cycle II, cycle III and cycle V. Significant predictors of FVC were previous FVC, base height, weight, years in the grain industry, cycle II, cycle III and cycle IV. CONCLUSIONS: The estimated annual decline in FEV1 and FVC increased according to length of time in the grain industry among nonsmoking, ex-smoking and smoking grain elevator workers. Lung function values improved after dust control, and yearly declines in FEV1 and FVC after dust control were smaller compared with yearly losses before dust control.

Adult↗

PubMed2003

Increased frequency of HLA A2/DR4 and A2/DR8 haplotypes in young saskatchewan aboriginal people with diabetic end-stage renal disease.

AIMS: To determine the association of HLA with diabetic end-stage renal disease (DESRD) in Saskatchewan aboriginal people. METHODS: This was a retrospective study of HLA profiles in four groups of Saskatchewan residents with ESRD diagnosed from 1980 to 1998: aboriginal people with and without DESRD, and non-aboriginal people with and without DESRD. The aboriginal DESRD group was also subdivided into those 50 years of age. Frequencies of individual and combinations of HLA antigens were compared between groups and subgroups. RESULTS: HLA data were available for 634 subjects. Young aboriginal people with DESRD had a higher frequency of HLA-A2 than older AB DESRD subjects (69 vs. 36%; p = 0.03), and of HLA-DR4 and/or DR8 compared to older AB DESRD subjects (91 vs. 68%; p = 0.07) and AB non-DESRD subjects (91 vs. 67%; p = 0.03). Over 65% of young AB DESRD subjects had either an A2/DR4 or A2/DR8 haplotype (odds ratio 5.09 [confidence intervals 1.35, 20.15] versus older AB DESRD subjects; odds ratio 3.32 [confidence intervals 1.20, 9.3] versus AB non-DESRD subjects). Forty percent of young AB DESRD subjects were homozygous for at least one of A2, DR4 or DR8. CONCLUSIONS: Our findings suggest that DESRD in young AB subjects with T2DM has a genetic basis related to HLA.

Adult↗

PubMed1990

The Saskatchewan program for rational drug therapy: effects on utilization of mood-modifying drugs.

In 1978, the Joint Committee on Drug Utilization (JCDU) was appointed by the Saskatchewan Minister of Health to identify and analyze concerns related to drug use and to recommend appropriate methods for dealing with such concerns. Emphasis was placed on the quality of healthcare in the province and on the provision of information as a basis for education of the public and health professionals. Since 1978, 14 committee reports providing drug utilization statistics and specific recommendations for improving drug therapy have been distributed to Saskatchewan health professionals. The main focus has been on utilization studies of "mood-modifying" drugs (analgesics, minor and major tranquilizers, sedative/hypnotics, stimulants, and antidepressants). The JCDU initiated a program whereby drug profiles of certain patients were released to selected health professionals. Individuals who received daily doses in excess of JCDU guidelines for mood-modifying drugs over a three-month period were categorized as extreme users. Patient medication profiles of their drug use were forwarded on a quarterly basis to physicians who prescribed and the primary pharmacy that dispensed mood-modifying drugs to these patients. From the time of the first profiles (October-December 1979) until 1983, there was a 15 percent decrease in the number of extreme users. Between 1977 and 1985, there was a decrease in the percentage of the overall population receiving any prescriptions for these drugs (from 20 to 17.4 percent).

Adolescent↗

PubMed2003

The Saskatchewan Surgical Care Network--toward timely and appropriate access.

Earlier this year, a paper in Hospital Quarterly, "Creating a Surgical Wait List Management Strategy for Saskatchewan," described the development of a surgical wait list strategy for Saskatchewan. The initial strategy development process uncovered several issues that needed to be addressed including lack of data, inconsistent priorities and frustration on the parts of both providers and patients. This second paper outlines the key points of the recommended surgical wait list strategy and the work to date in its implementation.

Health Plan Implementation↗

PubMed2002

Creating a surgical wait list management strategy for Saskatchewan.

In the summer of 2001, Saskatchewan Health asked Dr. Peter Glynn, Health Care Consultant, Dr. Mark Taylor, the Deputy Head of General Surgery at St. Boniface General Hospital in Winnipeg and Dr. Alan Hudson, a Toronto-based neurosurgeon and former CEO of the University Health Network, to advise on the creation of a provincial surgical wait list management strategy to address growing concerns about waiting times for many non-emergent surgical procedures. Although the work was focused on Saskatchewan, this is a common issue across the country.

Efficiency, Organizational↗

PubMedDate not supplied

Environmental concentrations of agricultural herbicides in Saskatchewan, Canada: bromoxynil, dicamba, diclofop, MCPA, and trifluralin.

Herbicides are the most commonly used group of agricultural pesticides on the Canadian Prairies and, in 1990, more than 20000 Mg of herbicides were applied in the provinces of Alberta, Saskatchewan, and Manitoba. The present paper reports on environmental concentrations of five herbicides currently used in the prairie region. The herbicides bromoxynil [3,5-dibromo-4-hydroxy-benzonitrile], dicamba [3,6-dichloro-o-anisic acid], diclofop [(RS)-2-[4-(2,4-dichlorophenoxy)-phenoxy]propanoic acid], MCPA [(4-chloro-2-methylphenoxy)acetic acid], and trifluralin [alpha,alpha,alpha-trifluoro-2,6-dinitro-N,N-isopropyl-p-toluidine] were measured in the atmosphere, bulk atmospheric deposits, surface film, and dugout (pond) water at two sites near Regina, Saskatchewan, during 1989 and 1990. All five herbicides were detected in air and surface film and all but trifluralin were detected in the bulk atmospheric deposits and dugout water. Trifluralin was most frequently detected in air (79% of samples) whereas bromoxynil was present in maximum concentration (4.2 ng m(-3)). MCPA was present in maximum levels in bulk atmospheric (wet plus dry) deposits (2350 ng m(-2) d(-1)), surface film (390 ng m(-2)), and dugout water (330 ng L(-1)), whereas dicamba was most frequently detected in surface film (47%) and dugout water (97%). The highest quantities of the herbicides tended to be present during or immediately after the time of regional application.

Agriculture↗

PubMed1994

Labor policy and social democracy: the case of Saskatchewan, 1971-1982.

This article analyzes labor policy, especially that of occupational health and safety, initiated by the Saskatchewan New Democratic Party (NDP) from 1971 to 1982. The NDP was perceived by Canadian provincial labor federations and the Canadian Labour Congress as the government most approximating a European labor party. The provincial labor legislation was seen as exemplary, and the occupational health and safety legislation as a "beacon" for the rest of Canada. This article suggests that the advances in occupational health and safety statute and regulations were a direct response to the government's policy to develop uranium mining. In order to pursue a vigorous renewable and nonrenewable resource policy, the government maintained that uranium could be mined "safely." This resulted in "progressive" health and safety legislation and the reinforcement of the colonial status of people of Indian ancestry. This policy of growth and development also resulted in joint venture relationships with multinational corporations and increasing investments in the north for nonrenewable resource development. Prior to the landslide defeat of the NDP in 1982 by the Conservative Party, the richest 5 percent of Saskatchewan people earned as much, in total, as the poorest 50 percent. Meanwhile, ordinary workers experienced declining real wages and increased employment insecurity.

Democracy↗

PubMed1980

Prevalence of antibodies to Toxoplasma gondii in striped skunks from Saskatchewan and Alberta.

Fifteen percent (81 of 542) of striped skunks, Mephitis mephitis, collected in the prairie of Alberta and Saskatchewan during 1974 to 1978, were positive for antibodies against Toxoplasma gondii. The seropositive rates varied from 8% (6 of 78) for skunks less than six months of age to 47% (9 of 19) in animals three or more years old. Spring and summer transmission was indicated by a preponderance of high titres (greater than or equal to 1:1024) in seropositive skunks collected April through September (22 of 40, 55%) compared to seropositives collected October through MFarch (10 of 38, 26%) (P = < 0.05). Prevalence was significantly greater among skunks collected in the relatively humid parkland (63 of 286, 22%) than in the arid prairie grassland biome (20 of 225, 8%) (P = < 0.01). The results indicate that T. gondii is focally enzootic in Alberta and Saskatchewan.

Alberta↗

PubMed1982

Blood parasites of prairie anatids and their implication in waterfowl management in Alberta and Saskatchewan.

Information on the blood parasites occurring in 3,866 anatids of 14 species collected from five locations in Alberta and Saskatchewan during 1976-80 is summarized. An overall prevalence of 26% with avian hematozoa was recorded. Leucocytozoon simondi was the most frequently encountered parasite, occurring in 17% of the ducks; Haemoproteus nettionis was observed in 11% of the birds while Plasmodium circumflexum and microfilariae (probably of Splendidofilaria fallisensis) occurred in only 2% and less than 1% of the sample respectively. Overall prevalence of infection in both immatures and adults was similar, although the sample was heavily biased in favor of the immature age class. While the overall prevalence of L. simondi was similar in both age classes, H. nettionis occurred twice as frequently in the adult birds. Infection prevalences of birds in the five geographic areas sampled were different and these differences are discussed. Prevalences also differed from year to year in birds from the various areas and these differences are attributed, in part, to the water levels encountered each year. Leucocytozoon simondi is considered a potentially limiting factor for waterfowl production in some areas of northern Alberta and Saskatchewan.

Age Factors↗

PubMedDate not supplied

Concordance on the recording of cancer in the Saskatchewan Cancer Agency Registry, hospital charts and death registrations.

Accurate and complete registries are an important source of knowledge about cancer. The concordance of the recording of neoplasms in the Saskatchewan cancer registry with that in hospital charts and death registrations was evaluated for 368 patients. The agreement between registry and hospital charts or death registrations was excellent (kappa: 0.93; 95% confidence interval: 0.89, 0.97), with 91.3% of those with cancer having the same neoplasm recorded in their chart or death registration as in the registry. There was only one patient whose hospital chart indicated cancer who was not in the registry and one apparent major discrepancy relating to the cancer site, which was due to the recording of the primary site in the registry and a secondary in the hospital chart. Although based on a relatively small number of patients, these results suggest a high degree of consistency between cancer registry, hospital charts and death registrations in Saskatchewan.

Death Certificates↗

PubMed2001

Examining the Saskatchewan health drug database for antidepressant use: the case of fluoxetine.

OBJECTIVE: To examine the use of fluoxetine in an adult population in Saskatchewan. METHODS: All adults in the Saskatchewan health care databases who had begun fluoxetine therapy between January 1992 and June 1996 and had not received an antidepressant in the six months before the index fluoxetine prescription were identified. Fluoxetine use for the subsequent six-month period was examined. The rates of completion of six months of fluoxetine, rates of stopping, switching to another serotonin-selective reuptake inhibitor (SSRI) or other class of antidepressant, resumption of fluoxetine, as well as average dosages taken and mean duration of therapy were determined. Rates were summarized as means with standard deviation. RESULTS: Data were obtained for 11,322 subjects, of whom 68.2% were women; 17.4% were 65 years of age or older. The average prescribed daily dose of fluoxetine was 22.5 mg (SD=21.7) and the average duration was 88.1 days (SD=57.2). Only 18.9% of patients filled prescriptions for six months, 7049 (62.3%) stopped fluoxetine at least once for one month or more, and 17.3% were titrated to a higher dose, on average 71 days (SD=44) after the initiation of fluoxetine. The proportion of patients switching to another antidepressant was 13.6% (3.3% to another SSRI, 10.3% to other classes), after a mean of 69 days (SD=51) of fluoxetine treatment. CONCLUSIONS: The authors' data suggest that there is a potential underutilization of fluoxetine in the study population. Further research may be warranted to determine the proportion of depressed patients in this population and to better understand the stop-switch-resume pattern of antidepressant use.

Age Distribution↗

PubMed2002

An integrated exploration into the social and environmental determinants of health: the Saskatchewan Population Health and Evaluation Research Unit (SPHERU).

The Saskatchewan Population Health and Evaluation Research Unit (SPHERU) is a new interdisciplinary research institute established by the Universities of Saskatchewan and Regina. SPHERU developed four of its research programs using a hierarchic model of health determining conditions and contexts. In descending order these programs include: Economic and Environmental Globalization, Governance and Health Community/Environment as a Health Determinant Multiple Roles, Gender and Health Determinants of Healthy Childhood Development A fifth program researching the determinants of health of indigenous peoples spans all four levels. Two research projects, one on power, control and health, and another on community capacity building approaches to human service programs, assist SPHERU in developing the theoretical linkages between its programs. This article describes SPHERU's research model and the Unit's approach to research and summarizes each of its current research programs and projects.

Canada↗

PubMedDate not supplied

Saskatchewan public health nursing survey. Perceptions of roles and activities.

OBJECTIVE: To explore perceived roles and activities of Saskatchewan public health nurses (PHNs). METHODS: This replication study surveyed Saskatchewan PHNs using the instrument developed by the Hamilton-Wentworth Social and Public Health Services Division in a 1992 survey of Ontario PHNs. This instrument is based on the roles and activities for community/public health nurses described by the Canadian Public Health Association (1990). Descriptive statistics were used to analyze the 124 responses received. RESULTS: Most of the nurses perceived that they were at least somewhat prepared for all of the roles. The activities of: caring for individuals and families; immunizing; educating individuals, families, and groups; acting as a resource person for clients and lay helpers; linking those needing services to appropriate community resources; and using marketing strategies were carried out most often by PHNs. Activities within the roles of community developer, policy formulator, researcher and evaluator, and resource manager/planner/coordinator were carried out to a much lesser degree. The roles and activities being done less often were also the ones PHNs felt less prepared to do. INTERPRETATION: It is important, as health authorities begin to support a more preventive approach to health care, that PHNs are competent in the roles outlined by the Canadian Public Health Association. As well as preparing new graduates for these roles, it is essential to provide continuing education for practicing PHNs. Public health administrators must also support public health nurses in carrying out these roles.

Community-Institutional Relations↗