Private pharmacies are an important source of health care in developing countries. A number of studies have documented deficiencies in treatment, but little has been done to improve practices. We conducted two controlled trials to determine the efficacy of face-to-face educational outreach in improving communication and product sales for cases of diarrhoea in children in 194 private pharmacies in two developing countries. A training guide was developed to enable a national diarrhoea control programme to identify problems and their causes in pharmacies, using quantitative and qualitative research methods. The guide also facilitates the design, implementation, and evaluation of an educational intervention, which includes brief one-on-one meetings between diarrhoea programme educators and pharmacists/owners, followed by one small group training session with all counter attendants working in the pharmacies. We evaluated the short-term impact of this intervention using a before-and-after comparison group design in Kenya, and a randomized controlled design in Indonesia, with the pharmacy as unit of analysis in both countries (n = 107 pharmacies in Kenya; n = 87 in Indonesia). Using trained surrogate patients posing as mothers of a child under five with diarrhoea, we measured sales of oral rehydration salts (ORS); sales of antidiarrhoeal agents; and history-taking and advice to continue fluids and food. We also measured knowledge about dehydration and drugs to treat diarrhoea among Kenyan pharmacy employees after training. Major discrepancies were found at baseline between reported and observed behaviour. For example, 66% of pharmacy attendants in Kenya, and 53% in Indonesia, reported selling ORS for the previous case of child diarrhoea, but in only 33% and 5% of surrogate patient visits was ORS actually sold for such cases. After training, there was a significant increase in knowledge about diarrhoea and its treatment among counter attendants in Kenya, where these changes were measured. Sales of ORS in intervention pharmacies increased by an average of 30% in Kenya (almost a two-fold increase) and 21% in Indonesia compared to controls (p < 0.05); antidiarrhoeal sales declined by an average of 15% in Kenya and 20% in Indonesia compared to controls (p < 0.05). There was a trend toward increased communication in both countries, and in Kenya we observed significant increases in discussion of dehydration during pharmacy visits (p < 0.05). We conclude that face-to-face training of pharmacy attendants which targets deficits in knowledge and specific problem behaviours can result in significant short-term improvements in product sales and communication with customers. The positive effects and cost-effectiveness of such programmes need to be tested over a longer period for other health problems and in other countries.
We compared the therapeutic efficacy of a World Health Organization standard bicarbonate-based oral rehydration salt solution (BBORS) with a citrate-based oral rehydration solution (CBORS) in a randomized, double-blind, controlled trial in 130 dehydrated patients with cholera aged three to 82 years. On admission the 70 patients who received CBORS and the 60 who received BBORS were similar except that the serum CO2 content (mmol/liter) was significantly lower in the CBORS group (10.8 +/- 3.6 vs. 12.5 +/- 5.3). The incidence of vomiting postadmission (41% vs. 62%, respectively), the stool output during the first 24 hr (4,252 +/- 3,900 ml vs. 6,025 +/- 4,389 ml, respectively), and the time until the patients' conditions were considered normal (38.9 +/- 14.5 hr vs. 46.3 +/- 22.7 hr, respectively) were all significantly less in the CBORS group. The serum CO2 content increased more rapidly during the first 48 hr in the CBORS group (87% +/- 74% vs. 61% +/- 68% for the BBORS group); 23% of the patients receiving CBORS and 35% of the patients receiving BBORS were considered oral-therapy treatment failures. The results indicate that CBORS was superior to BBORS for rehydration and maintenance therapy of hospitalized cholera patients in Jakarta.
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