A Swiss study of 50 low birth weight babies about 5.5 pound or less have blood pressure when they ate a high salt diet it known as salt sensitivity.

Study author Dr. Giocomo D. Simonetti, “Salt sensitivity in children is low and rises with increasing age through adulthood,”
The author suggests that prevention of salty diet could improve the blood pressure of the children.

“During adolescence, about 18 percent to 20 percent of adolescents in the general population have the condition. However, salt sensitivity was present in 37 percent of all low-birth-weight (LBW) and in 47 percent of the children who were small-for-gestational-age (SGA).”

Maternal high blood pressure and smoking during pregnancy are the main causes of intrauterine growth restriction. “These children should be followed for signs of reduced renal function and also for an elevated blood pressure,” said by study co-author Dr. Markus Mohaupt.

Mohaupt said.”There’s nearly a 50 percent chance of favorably affecting blood pressure by simply reducing salt intake in children born SGA and nearly a 40 percent chance for those born with LBW. These individuals can be determined very easily if their family physician just gets data on their births,”

Salt sensitivity is inversely associated to kidney size. The smaller kidney size is linked with higher blood pressure. However, there was no relation between kidney size and the organ’s filtering abilities. Kidneys in LBW children can be smaller in size compared to kidneys in normal birth weight children. LBW children height can be shorter than children of normal birth weight.

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