Guest guest Posted June 8, 1999 Report Share Posted June 8, 1999 This is from the obtechmedical website. FILLING THE BALLOON a.. The balloon should be left empty for at least four weeks after the operation. a.. At the time of filling the balloon, a swab soaked in 5% chlorhexidine spirit should be placed on the port area for at least 10 minutes before injecting into the port, in order to ensure proper disinfection of the area. a.. Use a Huber needle to inject into the port. Do not use a saline solution but a water-based 200 mg 3-iodine solution diluted in iopamidol (Iopamiro 200 ® , Astra Pharmaceuticals). This is an isotone solution with large iodine molecules normally used for the x-ray of blood vessels which will not diffuse through the balloon. For the first injection, no more than 4 ml should be used. a.. After injecting into the port, the patient should remain at the hospital and be given small amounts of water to drink. This is to ensure that the patient tolerates the new restricted width of the band. Once this simple test has been successfully completed, there is very little risk of vomiting. a.. Four weeks after the first injection, another 1.5 ml Iopamiro can be injected. a.. Thereafter, the filling of the band will depend on the patient’s weight loss, although no more than 1.5 ml Iopamiro should be injected at any one time. The patient should not lose more than 1 kg per week, preferably 0.5 kg, in order to maintain a feeling of well-being. There is no reason to rush weight loss. The total amount of liquid solution that can be injected through the port varies between 7 and 9 ml. The optimal amount depends on the patient’s comfort and weight loss objectives, and should only be achieved at the earliest two years after the operation. The risk of migration of the SAGB appears to be correlated to the amount of fluid in the balloon, and increases slightly when the balloon has a fluid content above 9 ml, and more significantly when this is above 10 ml. a.. The rate at which the balloon is filled also depends on the rate at which the newly created pouch increases in size. As the pouch dilates, the patient will be able to tolerate more injections of a Iopamiro-type solution into the balloon. The amount of time necessary for the pouch to dilate varies between two months and one and a half years. Quote Link to comment Share on other sites More sharing options...
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