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PubMed1986

Effective treatment of diarrhoeal dehydration with an oral rehydration solution containing citrate.

To compare the clinical efficacy of oral rehydration salts (ORS) from effervescent tablets containing citrate with the WHO recommended ORS for the treatment of dehydration due to acute diarrhoea, a randomized clinical trial was carried out in 57 adults and 58 children. These patients had mild or moderate degrees of dehydration and acidosis due to acute watery diarrhoea that was caused by enterotoxigenic Escherichia coli in 43-47% of the cases. Efficacies were compared by measuring oral fluid intake, stool output, gain in body weight, decrease in serum specific gravity and correction of acidosis during treatment. Successful rehydration and maintenance of hydration was achieved in 25 adults and 24 children treated with citrate containing ORS and 25 adults and 24 children treated with WHO ORS. The mean intake of ORS/kg body weight in children receiving WHO ORS was greater (p less than 0.05) and correction of acidosis was faster than the citrate group during the initial 24 h of therapy (p less than 0.05). By 48 h, however, both groups showed satisfactory and comparable intake of ORS and correction of acidosis. Thus ORS from effervescent tablets containing sodium citrate base is effective for management of diarrhoea in both adults and children and is a convenient stable form of ORS for use in the home and for travelers.

Acidosis↗
PubMedDate not supplied

Osmolarity does not affect the gastric emptying rate of oral rehydration solutions.

BACKGROUND: The objective of this study was to determine the effect of either carbohydrate content or osmolarity on gastric emptying rate in normal healthy subjects. METHODS: In total 12 test drinks were ingested as a single 8 mL/kg per body weight bolus on an empty stomach. Six of these drinks had a different carbohydrate content, increasing stepwise from 45 to 90 g/L, but all with the same osmolarity (330 mOsm/kg). The other six drinks all contained 60 g carbohydrate/L but differed stepwise in osmolarity because of the use of maltodextrins with a difference in chain length (243 to 374 mOsm/kg). RESULTS: The results show a significant negative relation between carbohydrate content and gastric emptying in the six drinks with a uniform osmolarity but progressively increasing carbohydrate content. The six drinks, which had the same carbohydrate-energy content but different osmolarities, emptied all at the same rate from the stomach. The delivery of carbohydrate-energy per minute from the stomach to the small intestine was the same for all drinks. CONCLUSIONS: From these data we conclude that the rate of gastric emptying of carbohydrate-containing solutions is triggered by the carbohydrate-energy drink content or by the delivery rate of carbohydrate-energy to the gut. Osmolarity in the range studied here had no effect.

Administration, Oral↗
PubMed1995

Rice oral rehydration solution hastens recovery from dysentery.

Using a three-cell study design over two years, we assessed the efficacy of rice ORS (R-ORS) for home management of dysentery in rural Bangladesh involving 1,911 children of less than five years of age who were matched for socioeconomic status, morbidity, nutrition and other factors. Dysentery was defined as passing blood and/or mucus in the stool, and the total numbers of episodes studies were: 1472, 1335, and 1557 in the R-ORS, glucose ORS (G-ORS), and comparison areas respectively. Packaged R-ORS and G-ORS were supplied free of cost. The comparison area continued the usual treatment of dysentery as practised in the community. During the two-year period, weekly observations were made in all areas on the incidence, management, and outcome of all episodes of dysentery. We demonstrated that the use of R-ORS was associated with reduction in duration and a lower incidence of prolonged diarrhoea compared to treatment with G-ORS or drugs. The mean durations of dysenteric diarrhoea were 7.6 +/- 4.9, 10.1 +/- 6.3, and 14.0 +/- 8.0 days in the R-ORS, G-ORS, and comparison areas respectively. Similarly, the cumulative recovery rates on day 7 of the illness were 61%, 42% and 21% in R-ORS, G-ORS, and comparison areas respectively. Based on these observations, we conclude that R-ORS may be an effective treatment of dysentery and deserves further investigation.

Bangladesh↗
PubMed1985

Oral rehydration therapy in infectious diarrhoea. Comparison of rehydration solutions with 60 and 90 mmol sodium per litre.

The clinical response and changes in water and salt homeostasis as judged from serum sodium levels, salt and water retention and renal handling of sodium was studied during 36 hours following the start of oral rehydration therapy (ORT) with a solution containing 60 mmol Na/l (ORS60) in 17 well-nourished, moderately dehydrated Turkish infants aged 3 to 15 months who had acute infectious diarrhoea (7 with rotavirus, 3 with enteropathogenic E. coli 0 111: B 84, and one with enteropathogenic E. coli 0 125: B 15, one with salmonella and 5 of unknown etiology. In the successfully treated patients sodium and water balance was normalized within 36 hours. In the cases with hypernatremic dehydration the serum sodium concentration rapidly became normal. The results were compared with those obtained in a previous study of the same type of patients who were rehydrated with a solution containing 90 mmol Na/l (ORS90). Although retention was considered to be satisfactory after ORS60 it was less than after ORS90. The changes in the fractionary urinary sodium excretion and the potassium sodium quotient in the urine indicated a less rapid normalization after ORS60 than after ORS90.

Administration, Oral↗
PubMed1996

A field trial of wheat-based oral rehydration solution among Afghan refugee children.

A total of 326 Afghan children aged between 6 months and 5 years with uncomplicated nondysenteric diarrhea for the previous 24 h to 5 days were treated at home by their mothers with either wheat-salt solution (WSS) or World Health Organization recommended glucose-oral rehydration salts (G-ORS). For 7 consecutive days the children were examined in the household and the mothers interviewed to assess the progress, feeding practices, and perception of treatment efficacy. Children treated with WSS recovered significantly earlier; the mean duration on treatment was 4.0 days (SD 1.7 days) on WSS compared to 6.4 days (SD 1.7 days) on G-ORS. By the second day of treatment, significantly more mothers using WSS (56%) reported that their children had formed stools versus 11% of their G-ORS counterparts; the mean stool frequency after 2 days was also significantly reduced; 3 stools day-1 (SD 2.1) on WSS versus 5 (SD 2.9) on G-ORS. The cereal-based solution was not confused with normal food and led to better feeding patterns. By day 2, 74% of the mothers using WSS had resumed their normal feeding frequencies as opposed to 33% of G-ORS mothers. On recovery the WSS group had gained significantly more weight; the WSS group gained 169 g (SD 142 g) while the G-ORS group lost 150 g (SD 174g). This study suggests by subjective and objective measures that WSS could be considered as an effective home fluid for the first-line treatment of diarrhea.

Acute Disease↗
PubMed1990

[Comparative study of 2 oral rehydration solutions containing 60 or 90 mmol/L of sodium and with different osmolalities].

A total of 186 infants, suffering from acute diarrhea were studied and divided into two groups: 84 children were placed in group A and given the ORS recommended by the World Health Organization which contains sodium and glucose at concentrations of 60 and 90 mmol/L respectively and an osmolality of 311 mOsm/kg (mmol/kg) (ORS-90). Group B included 82 children who received an ORS containing sodium and glucose at concentrations of 60 and 90 mmol/L respectively and with an osmolality of 240 mOsm/kg (mmol/kg) (ORS-60). Seven belonging to group A (8.3%) required intravenous rehydration due to the severity of the diarrhea (three cases), persistent vomiting (three cases) and paralytic ileus (one case), while only two cases belonging to group B (2.5%) required intravenous rehydration due to severe losses through feces (one case) and another due to paralytic ileus (one case). No differences were observed due to the variations in sodium concentrations among either of the groups of patients, whether that be in the natremias when admitted or once rehydrated, with a general tendency towards the correction of the hypernatremia or hyponatremia seen during admittance with both types of ORS. A similar situation was observed with the variations in serum potassium. The results obtained from this study show the different advantages of using an ORS with lesser sodium and glucose concentrations as well as minor osmolality with those from using the solution recommended by the World Health Organization, when a lesser index of failures is observed in the treatment of children with acute diarrhea with oral rehydration therapy. Yet before widely recommending its' use, it should be demonstrated that the new ORS induces lesser losses through feces during the rehydrating period in children dehydrated due to acute diarrhea.

Chemistry, Pharmaceutical↗
PubMed1979

Evaluation of two intravenous rehydration solutions in cholera and non-cholera diarrhoea.

A clinical trial was carried out with 126 male patients over 2 years of age suffering from diarrhoea requiring intravenous rehydration, 80 of the patients suffering from cholera and 46 from non-cholera diarrhoea. A new "diarrhoea treatment solution" (DTS) containing sodium at a concentration of 118 mmol/litre and glucose at 44 mmol/litre was compared with the usual Dacca intravenous solution (DS) which has a sodium concentration of 133 mmol/litre and contains no glucose. The other constituents and their concentrations were the same in both solutions. All the patients responded well clinically and made an uneventful recovery. Oral water intake measured during the first 24 h was higher in the group receiving the DS. This group also excreted a significantly higher quantity of sodium in the urine. A significant fall in the level of blood glucose from the admission values occurred in both the groups; the fall was relatively less in the DTS group, this solution containing 44 mmol of glucose per litre. Further work is required to find the optimum concentration of glucose in the solution for infants and young children.

Child↗
PubMed1983

High sugar worse than high sodium in oral rehydration solutions.

The literature on oral sugar-electrolyte mixtures for treatment of acute diarrhoea is reviewed. Several trials have shown that the solution proposed by the WHO for developing countries containing inter alia 90 mmol/l of sodium and 111 mmol/l of glucose is safe for short term oral rehydration. When used in this manner there is no risk for development of hypernatraemia. The surplus base of the solution is not essential and, furthermore, other anions e.g. acetate may be substitute for bicarbonate. Other modifications of the WHO formula have also been successfully tried, e.g. sucrose 4% (117 mmol/l) instead of glucose 2% (111 mmol/l). A somewhat lower concentration of sucrose may, however, prove to be better. Most acute childhood diarrhoeas are not mediated by enterotoxin and thus not of the secretory type, but temporary malabsorption is common. Therefore, the amount of carbohydrate in oral sugar-electrolyte mixtures should be limited. Osmotic diarrhoea due to carbohydrate malabsorption is a more likely cause of hypernatraemia in dehydrated children than too much dietary sodium. In developed countries prepacked oral sugar-electrolyte mixtures are mainly designed for moderately sick children treated at home. There is no reason to raise the carbohydrate content of these mixtures above that of the WHO formula, but the sodium content must be lower. For most situations in home treatment 50 mmol/l of sodium will be adequate.

Acute Disease↗
PubMed1993

[Erroneously prepared oral rehydration solution life-threatening].

Two male infants, 6 and 2 months old, children of immigrant parents, were hospitalised because of somnolence and diarrhoea. Both had severe hypernatraemia. The first died during venous cannulation, the second had convulsions with multiple cerebral haemorrhages and severe neurologic damage. Both had received oral rehydration fluid, prescribed by their general practitioner and prepared by their parents. These had dissolved the contents of the package in far too little water, which resulted in solutions that were seven times and twice, respectively, as strong as they should have been. Careful instruction regarding the use and preparation of oral rehydration fluid is of utmost importance, notably with patients with a different cultural or language background.

Diarrhea, Infantile↗