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Saline solution for irrigation. Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution).
Once the saline is fully applied, then either suction is applied to collect the fluids, or the fluids are collected with a sterile syringe through the irrigation channel. The collection trap is then appropriately labeled and sent off for testing. [3] Recent literature for the use of endoscopic BAL in therapy uses essentially the same process.
Saline instillation helps maintain lung expansion during the lavage process, preventing atelectasis (collapse of lung tissue). The total volume of saline used can vary but typically ranges from 15 to 20 liters per lung, administered in aliquots of 500 to 1000 ml. Exogenous surfactant may be administered to help restore normal lung function ...
Saline solution normally contains 0.9% sodium chloride. This article walks you through application instructions based on the intended use.
“Sinus saline rinses can increase mucous clearance by about 30% which can be very helpful at flushing out allergens ... sterile, or previously boiled water, per the U.S. Food and Drug ...
The water should not be tap water, which may contain small amounts of bacteria that are safe to drink but may be dangerous in the nose. The water should be sterile or filtered for micro-organisms; if tap water is used it should be boiled and cooled. [4] Saline solution is also sometimes used. [2]