Studies on physiology of nutrition in Surinam. XI. The skeleton of aged people in Surinam.
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OBJECTIVE: To answer the question whether positive selection of (pre)schizophrenic Surinams in Surinam before emigration to the Netherlands can explain the high admission rates for schizophrenia of Surinams in the Netherlands. DESIGN: Retrospective research. SETTING: 's Lands Psychiatrisch Ziekenhuis (National Psychiatric Hospital) Paramaribo, Surinam (LPZ). METHOD: The Netherlands Central Bureau of Statistics in Voorburg and the Central Registry Office in Paramaribo provided data on emigration to the Netherlands of the Surinam population and on remigration. Files of (pre)schizophrenic patients were selected from the records of LPZ. Subsequently, these patients were traced and their pattern of migration was studied. Using the chi 2 test the significance of observed differences was assessed. RESULTS: Surinam (pre)schizophrenic patients did not emigrate more frequently to the Netherlands (6.3%) compared with the Surinam population in general (9.6%) and they remigrated more frequently to Surinam than the Surinams in general. CONCLUSION: The positive selection hypothesis must be rejected.
BACKGROUND: Epidemiologic data show a high incidence of cervical cancer throughout the world and a high mortality, particularly in developing countries. The aim of this study was to describe the incidence and stages of cervical carcinoma in Surinam. Results were compared with data from The Netherlands (used as representative of western European countries) because of a medical and patient exchange program. METHODS: Data for Surinamese patients analyzed in this study were based on the files from the Department of Pathology at the University of Surinam from 1989 through 1994. Cumulative and incidence rates standardized to the World Standard Population were calculated and compared with rates in other South American countries and in The Netherlands. Age distribution and stage of disease (according to the International Federation of Gynecology and Obstetrics) among Surinamese and Dutch women were compared. Furthermore, differences in incidence rates among the multiple ethnicities of the Surinamese population were evaluated. RESULTS: Age standardized incidence rates for Surinam and The Netherlands were 26.7 and 6.2 per 100,000 women, respectively. The cumulative rate up to age 74 years was 2.9 in Surinam versus 0.6 in The Netherlands. Incidence in Surinam rose sharply with age. More than 40% of the Surinamese women presented with Stage IIB disease or higher compared with 12% in The Netherlands. In Surinam, low stage of disease was highest in the youngest group (48%), whereas only 18% of women 65 years or older presented with Stage I disease. Incidence rates in Surinam varied by ethnic group. Amerindians and Javanese were more likely to develop cervical cancer than were other ethnicities. CONCLUSIONS: Cervical carcinoma in Surinam was characterized by high incidence rates and relatively advanced stage of disease at presentation. Moreover, incidence was not equally distributed among the different ethnic groups. This may reflect a greater exposure to risk factors and differential access to diagnostic and treatment services.
OBJECTIVE: To determine the prevalence of HTLV-1 and HTLV-2 infection in the population of Surinam in order to enhance the safety of blood transfusion in Surinam. DESIGN: Descriptive. SETTING: Academic Hospital, Paramaribo, Surinam. METHOD: Blood was examined of the 777 regular donors (constituting 97% of the total pool) who donated blood between February 1 and June 1 1995 at the Blood Transfusion Centre of the Surinam Red Cross in Paramaribo, and also of the 140 patients with a sexually transmitted disease (STD) seen during the same period at the Dermatology centre of the Ministry of Health. All sera were screened with a particle agglutination test. Sera which were not negative were subsequently tested with a western blot method which distinguishes between HTLV-1 and HTLV-2. RESULTS: Three sera (0.4%) of the blood donors and 2 (1.4%) of the STD patients were positive for HTLV-1 (difference not significant). Nobody was found to be HTLV-2 positive. CONCLUSION: The HTLV-1 prevalence in the Surinam blood donors is similar to that of blood donors and the general population of many regions in Brazil but substantially lower than in several other regions in the Caribbean. Since examination of all donated blood is not a realistic option in Surinam it is recommended that all new regular blood donors should be tested for HTLV antibodies.
Polymerase chain reaction to detect high-risk human papillomavirus has been suggested as a gold standard for cytology. The Netherlands and Surinam were prospectively compared in regard to the proportions of Negative, Atypical Squamous Cells of Undetermined Significance, and Squamous Intraepithelial Lesion smears that had detectable high-risk human papillomavirus. For the Netherlands, 14 600 negative, 270 Atypical Squamous Cells of Undetermined Significance and 120 Squamous Intraepithelial Lesion smears were evaluated by polymerase chain reaction. For Surinam, 150 negative, 50 Atypical Squamous Cells of Undetermined Significance, and 150 Squamous Intraepithelial Lesion smears were evaluated by polymerase chain reaction. In all, 4% of Dutch and 80% of Surinamese negative smears had detectable high-risk human papillomavirus (chi2=1313, P<0.00001). In total, 41.9% of Dutch and 84% of Surinamese Atypical Squamous Cells of Undetermined Significance smears had detectable high-risk human papillomavirus (chi2=28, P<0.00001). Totally, 67.5% of Dutch and 94% of Surinamese SIL smears had detectable high-risk human papillomavirus (chi2=30, P<0.00001). The Negative: Atypical Squamous Cells of Undetermined Significance odds ratio was 0.058 for the Netherlands and 0.762 for Surinam (chi2homog=31, P<0.00001). The Negative: Squamous Intraepithelial Lesion odds ratio was 0.020 for the Netherlands and 0.255 for Surinam (chi2homog=31, P<0.00001). The Atypical Squamous Cells of Undetermined Significance: Squamous Intraepithelial Lesion odds ratio was 0.347 for the Netherlands and 0.335 for Surinam (chi2homog=0.005, P>0.75). Human papillomavirus DNA testing may not be a suitable gold standard in general because its use would make specificity and sensitivity prevalence-dependent. A new statistic, the percent of Negative pap smears with detectable high-risk human papillomavirus, is posited, which may be important if human papillomavirus DNA testing is used clinically.
Sera of 98 participants in a methadone maintenance programme, all recent Surinam emigrants to the Netherlands, were examined for antibodies to disrupted HTLV using the ELISA technique. Twelve per cent of the donors possessed HTLV-specific antibodies with a range of titre from 41 to 20,000. Sera of 26 control Dutch drug users lacked such antibodies with the exception of one female who subsequently was found to reside with a Surinam male. Intravenous drug use was not a factor in these studies. These data indicate that HTLV circulates within the Surinam community in the Netherlands. More broadly, these results show that the region of the Caribbean endemic for HTLV extends as far south as Surinam. Furthermore, an antibody prevalence of 12% for clinically healthy donors with non-malignant disease suggests that the Caribbean has an incidence of HTLV infection approaching, if not equal to, that of southwestern Japan.
More than one-third of the population of Surinam has migrated to The Netherlands in the 1970s and 1980s. If selective migration explains the increased incidence in these migrants, one expects to find a very low incidence of the disorder in Surinam. We examined the medical records of the sole psychiatric hospital in Surinam and found that the mean annual rate of first admissions for schizophrenia or schizophreniform disorder (DSM-III-R criteria) in 1992 and 1993 was 1.61 per 10,000 (95% Confidence interval: 1.24-1.98 per 10,000), a normal figure. These findings constitute a challenge to the hypothesis that selection explains the increased incidence in the migrants. The possibility of an increased incidence of the disorder in Surinam (which might also explain the increased incidence among migrants) has not been ruled out by the results of this study.
OBJECTIVE: To establish a method for food consumption data collection in ethnic groups in the Netherlands. METHODS: Two pilot studies have been carried out, one among Moroccan women and one among Surinam men. First, focus group discussions were held to obtain background information from members of the target population. For food consumption assessment 2 X 24-h recall was chosen. Furthermore, background information on age, place of birth, frequency of visits to Morocco or Surinam, Dutch language skills, meal pattern, food purchases and antropometric measurements were taken. RESULTS: It was found that the diets of both Moroccan women and Surinam men tended to approach the recommended daily intake of macronutrients more than the average intake of a Dutch person. However, reported energy and micronutrient intake on the second day of the dietary recall was lower than on the first recall day. CONCLUSION: The 24-h recall is a suitable method for food consumption measurements among Moroccan and Surinam people. On the other hand, the interviewer must be aware of potential under-reporting, especially during the second recall.
Frambesia tropica, or yaws, is still prevalent in the urban population of some of the districts in Suriname. In 1911 a campaign against yaws, probably the first such campaign in the world involving treatment with salvarsan, was organized. It resulted in the rapid cure of all hospitalized patients. As a consequence of this success, the disease became less important to the medical authorities in the country. After introduction of penicillin (1945) for the treatment of yaws, the disease almost disappeared in Suriname. After 1970 new cases were diagnosed, and the resurgence of yaws in Suriname became apparent. The symptoms in these cases were attenuated in comparison to those described in standard handbooks. A survey of yaws in the different districts of Suriname was undertaken to determine the prevalence of the disease and its spread through the country in order to plan a new treatment campaign.
The prevalence of human T-cell lymphotropic virus type 1 (HTLV-1) and HTLV-2 in blood donors in Guyana has never been estimated. We evaluated the prevalence of these viruses in blood donors by enzyme-linked immunosorbent assay and Western blotting and showed a prevalence of HTLV-1 of 1.3%; no HTLV-2 was detected. Female donors had a much higher HTLV-1 seroprevalence (3.6%) than male donors (0.7%). HTLV-1-seropositive donors tended to be slightly older than the average age for the total pool of donors. We also investigated the phylogenetic and molecular characteristics of HTLV-1 strains in Guyana and compared them with those identified in Suriname and French Guiana. Analysis of portions of the env and long terminal repeat nucleotide sequences showed that all the strains in Guyana and Suriname, like those in French Guiana, belonged to the transcontinental group of cosmopolitan subtype A. The similarities were greater between strains from Suriname and Guyana than between strains from Suriname and Guyana and those from French Guiana. Nevertheless, our results confirm that the HTLV-1 strains in all three countries have a common African origin.
BACKGROUND: Cervical carcinoma is the second most common malignancy among women worldwide. The highest incidence rates are observed in developing countries. The increased susceptibility to cervical carcinoma in high incidence populations may result from several factors including human papillomavirus exposure and both inherited and acquired genetic traits. Using comparative molecular analysis of cervical carcinomas from Surinam, a high incidence area, and the Netherlands, a low incidence area, distinct molecular genetic profiles were studied in two populations with contrasting risk for the disease. METHODS: In the two populations, the authors compared allelic loss as a marker for the involvement of putative tumor suppressor genes in 40 and 67 carcinoma specimens from Surinam and the Netherlands, respectively. Loss of heterozygosity (LOH) analysis was performed using polymorphic microsatellite markers at sites of known tumor suppressor genes (17p [p53], 13q [Rb, BRCA2], 16q [E-cadherin], and 17q [BRCA1]) and at chromosomes 3p, 6p, 6q, and 11q, which frequently are lost in cervical carcinoma. RESULTS: Remarkable differences in LOH were found between both populations. The most prominent observation was the extremely high frequency of LOH, up to 72%, in the region of the major histocompatibility complex on chromosome 6p in specimens from Surinam. In the group of specimens from the Netherlands, only 45% of LOH was observed at this locus. In addition, LOH was detected significantly more frequently at 6q and 13q in the cases from Surinam whereas LOH was found more frequently at 17p in cases from the Netherlands. CONCLUSIONS: The results of the current study show that heterogeneity exists in tumor-associated somatic genetic alterations between these two populations that may be indicative of the existence of multiple genetic pathways in cervical tumorigenesis.
Fatty acid composition of mature human milk from Curacao (Netherlands Antilles), Surinam and Tanzania was determined by capillary gas chromatography. In the Curacaoan samples the cholesterol and alpha- and gamma-tocopherol concentrations were also determined. Remarkable differences were found in the fatty acid composition of breastmilk fat from the three countries. The differences in the levels of medium chain fatty acids between Curacao and Tanzania, and between Curacao and Surinam were significant. The mean sum of the essential fatty acids linoleic acid and linolenic acid showed the highest values in Curacao (16.1 g per cent). Mean values for Tanzania and Surinam were 14.9 and 12.7, respectively. The mean level of the docosahexaenoic acid was higher in the Curacaoan and Surinam samples compared with that from Tanzania. In the Curacaoan breastmilk samples the concentrations of cholesterol and alpha- and gamma-tocopherol were about twice as high as those reported for Western countries.