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Medicineworld.org: Restless syndrome in pregnancy

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Restless syndrome in pregnancy




A study in the Feb. 1 issue of the journal Sleep shows that the elevation in estradiol levels that occurs during pregnancy is more pronounced in pregnant women with restless legs syndrome (RLS) than in controls.

During the last trimester of pregnancy, levels of the estrogenic steroid hormone estradiol were 34,211 pg/mL in women with RLS and 25,475 pg/mL in healthy controls. At three months postpartum, estradiol levels had dropped to 30.73 pg/mL in the RLS group and 94.92 pg/mL in controls. Other hormone levels did not differ significantly between the study groups.

As per the authors the data strongly suggest that estrogens play an important role in RLS during pregnancy. The study also supports prior reports of high RLS incidence in the last trimester of pregnancy when estradiol is maximally elevated.



Restless syndrome in pregnancy

"Our findings strongly support the concept that neuroactive hormones play a relevant pathophysiological role in RLS," said principal investigator Thomas Pollmacher, MD, director of the Center for Medical Health at Klinikum Ingolstadt and professor of psychiatry at Ludwig Maximilians University in Munich, Gera number of. "This information will increase the understanding of RLS in pregnancy and will assist in the development of specific therapeutic approaches".

The American Academy of Sleep Medicine describes RLS as a sleep-related movement disorder that involves an almost irresistible urge to move the legs at night. This urge tends to be accompanied by unusual feelings or sensations, called "paresthesias," that occur deep in the legs. These uncomfortable sensations often are described as a burning, tingling, prickling or jittery feeling. RLS can profoundly disturb a person's ability to go to sleep or return to sleep after an awakening.

The AASM reports that RLS occurs 1.5 to two times more often in women than in men. Eighty percent to 90 percent of people with RLS also experience periodic limb movements (PLMs) during sleep, which are involuntary jerking or twitching movements of the feet or legs.

As per the authors RLS symptoms often occur for the first time during pregnancy. Symptoms typically worsen during pregnancy and improve or even disappear after delivery. The risk of developing RLS increases gradually with the number of pregnancies.

The study also observed that women with RLS had more PLMs than controls before and after delivery. PLMs decreased significantly after delivery in women with RLS and stayed low in women without RLS.

Only minor differences appeared between the two study groups in subjective sleep quality and objective sleep measures. One explanation suggested by the authors is that only RLS patients who did not need pharmacological therapy were selected for the study; RLS symptoms of participants were in the mild to moderate range.

The study involved nine healthy pregnant women (mean age 32.9 years) who were placed in a control group and 10 pregnant women (mean age 31.6 years) who fulfilled diagnostic criteria for RLS. Eight women from the RLS group reported symptoms prior to the present pregnancy, and all members of the RLS group described worsening of symptoms during pregnancy. The mean age of onset for RLS symptoms was 22.6 years.

Sleep data and leg movements were recorded during overnight polysomnography around the 36th week of gestation and again at 12 weeks postpartum. Blood samples were taken each morning after the polysomnography and before breakfast. Accompanying questionnaires on sleep and RLS symptoms also were collected.


Posted by: Emily    Source




Did you know?
A study in the Feb. 1 issue of the journal Sleep shows that the elevation in estradiol levels that occurs during pregnancy is more pronounced in pregnant women with restless legs syndrome (RLS) than in controls. During the last trimester of pregnancy, levels of the estrogenic steroid hormone estradiol were 34,211 pg/mL in women with RLS and 25,475 pg/mL in healthy controls. At three months postpartum, estradiol levels had dropped to 30.73 pg/mL in the RLS group and 94.92 pg/mL in controls. Other hormone levels did not differ significantly between the study groups.

Medicineworld.org: Restless syndrome in pregnancy

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