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The relationship between body posture and pressure in occluded maxillary sinus of man

Volume: 27 - Issue: 3

Firstpage: 161 - Lastpage: 167

B. Falck - H. Svanholm - R. Aust - L. B├Ącklund

One of the most common symptoms in sinusitis is pain over the infected cavity
increasing when the patient is bendingforward or lying down. It is commonly thought
that this increase in pain is a result of increased pressure in the paranasal cavities
when bending forward.
In this investigation we have found that changing the body position from sitting to
recumbent or even to "head between knees" gives a manometrical pressure rise in the
sinus that is too small to cause a pressure-mediated pain. The pain is probably
caused by a dilation in the blood vessels of the infected mucosa when the patient is
bending forward or lying down.

B. Falck - H. Svanholm - R. Aust - L. B├Ącklund - The relationship between body posture and pressure in occluded maxillary sinus of man
Rhinology 27-3: 161-167, 1989