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Posted by Bob P ( on February 05, 2001 at 13:30:54:

In Reply to: Re: Cluster support - Sue:^) posted by Tim on February 05, 2001 at 12:37:39:

An article on light and sound sensitivity in clusterheads. There are lots of good articles in the OUCH Library, which is on the OUCH web site. You guys really should spend some time reading them.

Cephalalgia 1998 Jun;18(5):250-6
Quantitative evaluation of photophobia and phonophobia in cluster headache.
Vingen JV, Pareja JA, Stovner LJ
Department of Neurology, University Hospital of Trondheim, Norway.
In order to evaluate photophobia and phonophobia in cluster headache (CH),
light and sound-induced discomfort and pain thresholds were measured
quantitatively in 50 patients and 50 sex-matched and age-matched
headache-free controls. During bout (i.e., during the active period with
attacks), CH patients were more sensitive to light and sound than controls
(p < 0.001). Outside bout they did not differ significantly from controls
except for binaural stimulation. Patients were more photophobic and
phonophobic during bout than in the remission period (p < or = 0.05).
However, for those tested during bout, the sensitivity to light and sound
was not related to the presence of pain during test, usual pain intensity,
or pain laterality. In response to a questionnaire about their sensitivity,
a significantly higher proportion of patients considered themselves
sensitive during bout than outside (91% vs 46% for light [chi 2 = 5.9, p <
0.05] and 89% vs 49% for sound [chi 2 = 4.7, p < 0.05]). These results
indicate that photophobia and phonophobia are important accompanying
phenomena of cluster bouts.
* Comment in: Cephalalgia 1998 Jun;18(5):241
Bob P

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