Submitted by deb on Mon, 06/27/2011 - 02:57
Giorgio Buzzi, MD, Neurologist
Buzzi G, Mostacci B, Sancisi E, Cirignotta F. Sleep complaints in Periodic Paralyses: a web survey. Functional Neurology 2001, 17 (3). From the Sleep Medicine Unit - Dept. of Neurology S.Orsola-Malpighi Hospital - University of Bologna, Italy.
SUMMARY
Section 1. Background: K+ and REM sleep homeostasis.
Section 2. The Periodic Paralysis International/HKPP Listserv Survey: results and discussion.
Submitted by deb on Mon, 06/27/2011 - 02:22
Hao Cheng, MD
The use of local anaesthetics on patients with periodic paralysis presents some unusual challenges. Many patients report that these agents trigger weakness or paralysis, a phenomenon which is substantiated in medical literature. Some patients also report that the agents do not produce the desired anaesthesia.
Submitted by deb on Mon, 06/27/2011 - 00:21
The Compound Muscle Action Potential (CMAP) test (aka the Exercise EMG) is now being used to diagnose the periodic paralyses. When done correctly this test is reported to positively identify 70%-80% of patients.
Submitted by deb on Sat, 06/25/2011 - 19:16
What happens during an attack of Periodic Paralysis?
People with Periodic Paralysis (PP) have episodes in which their muscles become weak or paralyzed in response to variations in the amount of potassium in their blood. These variations occur during sleep, they may result from food the person has eaten, from a sudden change in a person's activity level, from rest after activity, emotional stress, from becoming chilled, or a number of other factors. Potassium levels vary all the time.
Submitted by ian on Tue, 06/21/2011 - 22:55
The periodic paralyses are a group of rare inherited disorders that cause temporary episodes of muscle weakness or paralysis. Periodic Paralysis is found in all races and in both sexes. Some patients have their first attack within minutes of birth, but a few don't have symptoms until they are in their 60’s or 70’s. Attacks can last only a few moments or go on for days, depending on the type of periodic paralysis the person has. Some forms of periodic paralysis include muscle stiffness or rigidity as part of the attacks.
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