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At least 595 records · Page 33Linked to original sources
PubMed2004

Prevalence of parasitism among students of the Karen hill-tribe in Mae Chame district, Chiang Mai province, Thailand.

Infection caused by intestinal parasites is still a common health problem in a poor-hygiene population especially for children in developing countries. A cross-sectional study was conducted among 781 Karen students (age: 3 to 19, males: 325, females: 456) to determine the current status of intestinal parasitic infections in a mountainous area in the North of Thailand. The study was drawn from three schools in the Doi Inthanon region, in Mae Chame district of Chiang Mai province, from December 2002 to June 2003. The techniques used for the diagnosis were: stool concentration by using the 'formalin-ether' technique and perianal region examination by using the 'Scotch-tape' technique. The average rate of intestinal parasites for the group tested using the stool concentration technique was 42.06% (male: 46.87%, females: 38.82%); and 22.66% (males: 28.92%, females: 18.20%) when using the Scotch-tape technique.Among helminth-infected individuals, enterobiasis was found at the highest prevalence (15.49%). Other common infections were ascariasis (9.78%), trichuriasis (5.90%) and hookworm infection (2.20%). Strongyloildiasis was found only in 0.92%. For protozoa infection, the major cause is the non-pathogenic species "Entamoeba coli" (27.68%). The other non-pathogenic protozoa (Endolimax nana, Chilomastix meslini and Iodamoeba butschlii) had a low prevalence from ranged 0.18%-4.79%. The prevalence of pathogenic Giardia lamblia infection was 2.21%. Entamoeba histolytica infection was found in only one case. Based on the two techniques used, the results from the Scotch-tape provided a higher sensitivity for the detection of Taenia spp. and Enterobius vermicularis eggs. Drug treatment was given to all the infected students. School-based health education should be implemented in order to prevent and control the infections.

Child↗
PubMed2005

Dental arch relations analysed in a 14th century fossil skull of the Sao tribe, Cameroon.

Dental occlusal relations are rarely reported in paleo-anthropology. The manipulation of hemi-arch replicas, as well as the superimposition of drawings on calques traced from photographs, facilitated the description of the intra- and interarch relations. The occlusal interarch confrontation and the intermolar relation were observed and assessed in the horizontal, frontal and sagittal planes. Some measurements were helpful in the functional study. On the basis of knowledge in mandible kinematics a movement envelope of the first molar displacement during mastication was proposed. The dentition studied here was highly regular. It was a fine example of balanced wear for post-canine sectors. In spite of the lower canine extrusion, due to tribal mutilation of anterior teeth and to subsequent labret wearing, the interarch relations seemed not to have been altered.

Cameroon↗
PubMed2005

Health beliefs of the urban Pare tribe living in Moshi, Tanzania.

This study aimed to explore and describe the health beliefs and practices of urban Pares, living in Moshi, Tanzania. No previously documented studies of the health beliefs of the Pare were identified. This transcultural qualitative study utilised semistructured interviews conducted with nine informants, followed by thematic analysis of the interview data. Unlike professional health care workers functioning within the scientific paradigm, urban Pare health beliefs arise from magico-religious, holistic and scientific paradigms. Beliefs and behaviour patterns are however changing. Nurses caring for urban Pares can use the findings and recommendations from this study to enhance culturally congruent care.

Culture↗
PubMed2006

Dental wear study in a 14th century skull of the Sao tribe, Cameroon.

The aim of this work was to study the wear affecting the almost complete dentition of a Sao individual fossil from Cameroon prehistory (XIVth century). Occlusal surfaces of the fossil fragile pieces were plaster replicated with an original technique adapted from usual dental impression methods (silicon elastomer polymerising by addition). Axial macro-photographs of both sectional dental casts and original pieces made it possible to produce drawings of the occlusal areas on transparencies in order to superimpose the lateral hemiarch counterparts in their optimal intercuspal position. The study of interarch contacts was completed by confronting and observing the occluding position of hemiarch replicas. The occlusal analysis revealed that the wear extent was equivalent on left and right molars. Hall's occlusal wear index and Van Reenen and Reinach's classification of proximal wear allow assessment of the degree of wear extent on premolar and molar sections in relation to the side or the arch observed. The even bilateral proximal and occlusal wears observed on the different kinds of homologous teeth appeared as the main contributor to this well-balanced interarch occlusion. The mandibular incisor losses and the particular type of wear affecting lower canines led to the conclusion of the presence of a labret, a great number of which was found in the area. According to Miles' method of age assessment based on tooth wear, the pieces studied belonged to an individual between 30 and 40 years old.

Age Determination by Teeth↗
PubMed1990

Experimental transmission of a granulocytic form of the tribe Ehrlichieae by Dermacentor variabilis and Amblyomma americanum to dogs.

Transstadial transmission of granulocytic Ehrlichieae in dogs was attempted using ticks, Amblyomma americanum and Dermacentor variabilis. Ticks were exposed by feeding as nymphs on acutely infected pups; adult ticks then fed to repletion on susceptible adult dogs that were monitored daily for signs of infection. Evidence of transmission was not observed in control dogs or in those exposed to D variabilis. In contrast, dogs exposed to A americanum developed serologic or clinical evidence of infection, but organisms were not seen in blood smears until corticosteroids were administered, causing recrudescence and accompanying parasitemia. At 12 days after subinoculation of blood obtained from donor adult dogs, before corticosteroids were administered, a febrile response, thrombocytopenia, and appearance of morulae in neutrophilic granulocytes were observed in 2 susceptible recipient dogs.

Animals↗
PubMed1978

[Studies on an isolated tribe in the central highlands of Irian-Jaya (Indonesian New Guinea) within the field of tropical medicine. I. Clinical studies].

Reports on medical research examinations in the field of tropical medicine of 130 indigenous, who were examined in the central Highland of West-Irian during an interdisciplinare research project. The inhabitants of this markedly isolated area are pygmies of a strong, well proportioned build of the body and in a relative good general condition. No avitaminoses, nor symptoms of malnutrition, nor tuberculosis were discovered, in spite of an only moderate intake of albumine and carbohydrates. All examined indigenous show a distinct diastase of the musculi recti, 51.55% an enlargement of both glandulae parotes, 47% an enlargement of the lymph nodes in the differemt regions, and 11.52% an enlargement of the liver. Distinct was a violent endemy with intestinal worms and some extreme anaemia. A later publication will deal with the extensive laboratory examinations which are partly not yet completed.

Adolescent↗