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Experimental antegrade enema: effects on water, electrolyte and acid-base balances with different solutions
Helman, Laura; Martins, José Luiz; Fagundes, Djalma José; Esteves, Edward; Lima, Cirilo de Paula; Costa, Alisson de Souza.
  • Helman, Laura; Federal University of Uberlândia. Faculty of Medicine. Pediatric Department. Uberlândia. BR
  • Martins, José Luiz; UNIFESP. Department of Surgery. Division of Pediatric Surgery. São Paulo. BR
  • Fagundes, Djalma José; UNIFESP. Department of Surgery. São Paulo. BR
  • Esteves, Edward; Federal University of Goiás. Pediatric Surgery and Urology. Goiânia. BR
  • Lima, Cirilo de Paula; UFU. Faculty of Veterinary Medicine. Uberlândia. BR
  • Costa, Alisson de Souza; UFU. Faculty of Veterinary Medicine. Uberlândia. BR
Acta cir. bras ; 22(5): 372-378, Sept.-Oct. 2007. tab
Article in English | LILACS | ID: lil-463462
ABSTRACT

PURPOSE:

To study the effects on the water, electrolyte, and acid-base balances in rabbits submitted to antegrade enema with different solutions through appendicostomy.

METHODS:

Forty male New Zealand rabbits were submitted to appendicostomy, and distributed in 4 groups, according to the antegrade enema solution PEG group, polyethylene glycol electrolyte solution (n=10); ISS group, isotonic saline solution (n=10); GS group, glycerin solution (n=10); SPS group, sodium phosphate solution (n=10). After being weighed, arterial blood gas analysis, red blood count, creatinine and electrolytes were measured at 4 times preoperatively (T1); day 6 postop, before enema (T2); 4h after enema (T3); and 24h after T3 (T4).

RESULTS:

In PEG group occurred Na retention after 4h, causing alkalemia, sustained for 24h with HCO3 retention. In ISS group occurred isotonic water retention and hyperchloremic acidosis after 4h, which was partially compensated in 24h. GS group showed metabolic acidosis after 4h, compensated in 24h. In SPS group occurred hypernatremic dehydration, metabolic acidosis in 4h, and hypokalemia, hypocalcemia, hypomagnesemia, and metabolic alkalosis with partially compensated dehydration in 24h.

CONCLUSIONS:

All solutions used in this study caused minor alterations on water, electrolyte or acid-base balances. The most intense ones were caused by hypertonic sodium phosphate solution (SPS) and isotonic saline solution (ISS) and the least by polyethyleneglycol electrolyte solution (PEG) and glycerin solution 12 percent (GS).
RESUMO

OBJETIVO:

Estudar os efeitos no equilíbrio hídrico, eletrolítico e ácido-base, do enema anterógrado com diferentes soluções em coelhos através de apendicostomia.

MÉTODOS:

40 coelhos Nova Zelândia, machos, submetidos a apendicostomia, distribuídos em quatro grupos segundo a solução de enema grupo PEG (n = 10) solução de polietilenoglicol com eletrólitos; grupo SF (n = 10) solução fisiológica; grupo SG (n = 10) solução glicerinada; grupo FS (n = 10) solução de fosfato de sódio. Realizou-se pesagem, gasometria arterial, série vermelha, creatinina e ionograma, em quatro tempos TI (pré-operatório); T2 (6o PO antes do enema); T3 (4h após enema); T4 (24h após T3).

RESULTADOS:

No PEG ocorreu retenção de Na em 4h, com alcalemia por retenção de HCO3, mantida por 24h. No SF ocorreu retenção hídrica isotônica e acidose hiperclorêmica em 4h, resolvidos parcialmente com 24h. No SG ocorreu acidose metabólica hiperclorêmica em 4h, compensada com 24h. No FS ocorreu desidratação hipenatrêmica, acidose metabólica com ânion gap elevado em 4h, hipopotassemia, hipocalcemia, hipomagnesemia e alcalose metabólica com recuperação parcial da desidratação em 24h.

CONCLUSÕES:

Todas as soluções empregadas neste estudo causam alterações de pouca intensidade no equilíbrio hídrico, eletrolítico ou ácido-base. As mais intensas foram causadas pela solução de fosfato de sódio e solução fisiológica, e as menos intensas pela solução de polietilenoglicol com eletrólitos e solução glicerinada.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Phosphates / Polyethylene Glycols / Acid-Base Equilibrium / Water-Electrolyte Balance / Enema / Glycerol Type of study: Etiology study / Prognostic study Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Goiás/BR / Federal University of Uberlândia/BR / UFU/BR / UNIFESP/BR

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Full text: Available Index: LILACS (Americas) Main subject: Phosphates / Polyethylene Glycols / Acid-Base Equilibrium / Water-Electrolyte Balance / Enema / Glycerol Type of study: Etiology study / Prognostic study Limits: Animals Language: English Journal: Acta cir. bras Journal subject: General Surgery / Procedimentos Cir£rgicos Operat¢rios Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Federal University of Goiás/BR / Federal University of Uberlândia/BR / UFU/BR / UNIFESP/BR