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1.
Ann Trop Med Parasitol ; 102(1): 45-51, 2008 Jan.
Article in English | MEDLINE | ID: mdl-18186977

ABSTRACT

In areas of Nigeria where onchocerciasis is endemic, community-directed distributors (CDD) distribute ivermectin annually, as part of the effort to control the disease. Unfortunately, it has been reported that at least 35% of the distributors who have been trained in Nigeria are unwilling to participate further as CDD. The selection and training of new CDD, to replace those unwilling to continue, leads to annual expense that the national onchocerciasis-programme is finding difficult to meet, given other programme priorities and the limited resources. If the reported levels of attrition are true, they seriously threaten the sustainability of community-directed treatment with ivermectin (CDTI) in Nigeria. In 2002, interviews were held with 101 people who had been trained as CDD, including those who had stopped serving their communities, from 12 communities in south-eastern Nigeria that had high rates of CDD attrition. The results showed that, although the overall reported CDD attrition was 40.6%, the actual rate was only 10.9%. The CDD who had ceased participating in the annual rounds of ivermectin blamed a lack of incentives (65.9%), the demands of other employment (14.6%), the long distances involved in the house-to-house distribution (12.2%) or marital duties (7.3%). Analysis of the data obtained from all the interviewed CDD showed that inadequate supplies of ivermectin (P<0.01), lack of supervision (P<0.05) and a lack of monetary incentives (P<0.001) led to significant increases in attrition. Conversely, CDD retention was significantly enhanced when the distributors were selected by their community members (P<0.001), supervised (P<0.001), supplied with adequate ivermectin tablets (P<0.05), involved in educating their community members (P<0.05), and/or involved in other health programmes (P<0.001). Although CDD who were involved in other health programmes were relatively unlikely to cease participating in the distributions, they were more likely to take longer than 14 days to complete ivermectin distribution than other CDD, who only distributed ivermectin. Data obtained in interviews with present and past CDD appear vital for informing, directing, protecting and enhancing the performance of CDTI programmes, in Nigeria and elsewhere.


Subject(s)
Anthelmintics/supply & distribution , Community Health Services/supply & distribution , Community Health Workers/supply & distribution , Ivermectin/supply & distribution , Onchocerciasis/drug therapy , Rural Health Services/supply & distribution , Adolescent , Adult , Aged , Aged, 80 and over , Anthelmintics/therapeutic use , Community Health Services/organization & administration , Community Health Workers/organization & administration , Community Health Workers/standards , Female , Health Care Costs , Health Education , Humans , Ivermectin/therapeutic use , Male , Middle Aged , Nigeria , Rural Health Services/organization & administration
2.
Ann Trop Med Parasitol ; 98(7): 697-702, 2004 Oct.
Article in English | MEDLINE | ID: mdl-15509423

ABSTRACT

During annual rounds of mass treatment against onchocerciasis, women who are pregnant or nursing neonates should not to be offered ivermectin. The aim of the present study was to determine how many women were not treated, as a result of this policy, in four villages in south-eastern Nigeria. Of the 1714 women of reproductive age present during the 2000 round of mass treatment, 599 (35%) were excluded because they were pregnant or nursing babies aged < 1 month. Most (56%) of the 599 excluded women were, however, treated individually later in the year. Of the 264 excluded women who did not receive a dose of ivermectin at all in 2000, 123 (47%) said they would have actively sought ivermectin treatment had they been made aware of the short duration of exclusion for nursing. If they had all known of the short duration of the exclusion and when and how to locate and receive treatment in their villages after the round of mass treatment, 91% of the women excluded from the round of mass treatment would probably have been treated later in the year. Better treatment systems, follow-up and health education, targeted at pregnant and lactating women, would improve treatment coverage of this group after parturition and early nursing.


Subject(s)
Breast Feeding , Filaricides , Ivermectin , Onchocerciasis/drug therapy , Pregnancy Complications, Parasitic/epidemiology , Adult , Contraindications , Female , Filaricides/administration & dosage , Government Programs , Health Education , Health Services Research , Humans , Ivermectin/administration & dosage , Nigeria/epidemiology , Onchocerciasis/epidemiology , Patient Acceptance of Health Care/statistics & numerical data , Pregnancy
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