Publications by authors named "Sandra Hackethal"

Pregnancy is a significant risk factor for the development of Restless Legs Syndrome. Apart from it's negative impact on sleep and general quality of life, RLS is also associated with pregnancy complications and negative outcomes. To elucidate the prevalence, trajectory, severity, and risk factors of RLS throughout pregnancy and the postpartum period we analysed data from the multicenter Life-ON Cohort Study (NCT02664467) which recruited 439 pregnant women in the 10-15th gestational week and followed them up until 12 months after delivery.

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This systematic review analyzed 37 studies on sleep-disordered breathing during pregnancy, involving over 7000 women, predominantly pregnant, with a subgroup of non-pregnant controls. Most studies were conducted in the United States, using in-laboratory polysomnography and focusing on the third trimester. The meta-analysis estimated a prevalence of nearly 20 %, although results showed considerable heterogeneity, reflecting variations in study methodologies, diagnostic criteria, and sample characteristics.

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Article Synopsis
  • Pregnant women experience improved maternal and perinatal outcomes from exercise, which may also enhance sleep quality, particularly for those suffering from restless legs syndrome.
  • The study analyzed data from the Life-ON study involving 316 pregnant women using polysomnographic recordings, focusing on the sleep quality of those with restless legs syndrome (n=91).
  • Results showed that physically active pregnant women with restless legs syndrome had significantly better sleep indicators, such as sleep efficiency and reduced wake time, compared to sedentary counterparts, highlighting the positive effects of physical activity on sleep structure during pregnancy.
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Restless legs syndrome is a prevalent, sleep-related sensorimotor disorder with relevant impact on the patients' quality of life. For patients suffering from severe, pharmacoresistant restless legs syndrome, few therapeutic options remain to alleviate symptoms. In this case series, two patients with severe, pharmacoresistant restless legs syndrome were treated with epidural spinal cord stimulation and repeatedly assessed with polysomnography, including sleep structure and periodic limb movements as objective biomarkers not subject to placebo effects, during a 6-month follow-up period.

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Article Synopsis
  • Sleep disordered breathing is common during pregnancy and may lead to complications for mothers and abnormal fetal growth, although human data on growth outcomes is mixed.
  • A systematic review and meta-analysis of 63 studies involving over 67,000 pregnant women showed that habitual snoring and obstructive sleep apnea increased the risk for larger than average newborns, while obstructive sleep apnea diagnosed with international codes was linked to smaller than average newborns.
  • The findings suggest that the type of sleep disorder and diagnostic method matters in understanding the impact on fetal growth, and further research is needed to explore the underlying mechanisms and potential treatments.
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  • Perinatal depression (PND) is a serious issue during pregnancy, and this study investigates whether a woman's chronotype (her natural sleep-wake cycle) could predict PND symptoms.
  • Researchers followed 299 women from early pregnancy to six months postpartum, assessing their chronotype and mood over time using various depression rating scales.
  • Results showed that evening chronotypes faced a higher risk of PND symptoms shortly after giving birth, coupled with less healthy lifestyles and more complications during pregnancy, indicating the need to evaluate chronotype in pregnant women to identify those at risk for PND.
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Objective: Perinatal depression (PND) is a severe complication of pregnancy, affecting both mothers and newborns. Bright light therapy (BLT) has only been tested in a few studies for treating either antenatal or postnatal depression. We conducted a pilot trial to investigate the efficacy and safety of BLT for PND occurring at any time across the perinatal period.

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Symptoms of sleep disturbances are common among pregnant women and generally worsen across gestation. Pregnancy-related sleep disorders are not only associated with a poor quality of life of the affected mothers, but also with adverse perinatal outcomes, including perinatal depression, gestational diabetes, preeclampsia, and preterm birth. The current knowledge about the impact of sleep disorders during pregnancy largely derives from the results of sleep surveys conducted in various populations.

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Background: Subjective symptoms, which are retrospectively assessed during clinical interviews in the office, may be influenced by patient recall in Parkinson's disease (PD). Prospective collection of subjective data might be an effective tool to overcome this bias.

Objective: We investigated the correspondence between prospectively and retrospectively assessed motor symptoms in PD.

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To conduct a first detailed analysis of the pattern of leg movement (LM) activity during sleep in adult subjects with Attention-Deficit/Hyperactivity Disorder (ADHD) compared to healthy controls. Fifteen ADHD patients and 18 control subjects underwent an in-lab polysomnographic sleep study. The periodic character of LMs was evaluated with established markers of "periodicity," i.

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The human sleep-wake cycle is governed by two major factors: a homeostatic hourglass process (process S), which rises linearly during the day, and a circadian process C, which determines the timing of sleep in a ~24-h rhythm in accordance to the external light-dark (LD) cycle. While both individual processes are fairly well characterized, the exact nature of their interaction remains unclear. The circadian rhythm is generated by the suprachiasmatic nucleus ("master clock") of the anterior hypothalamus, through cell-autonomous feedback loops of DNA transcription and translation.

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