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Bed rest is a medical treatment in which a person lies in bed for most of some period of time to gain health benefits. Bed rest refers to voluntarily lying in bed as a treatment, and not being confined to bed because of a health impairment which restricts a person from leaving the bed. The practice is still commonly used for an array of conditions although a 1999 systematic review found no benefits in any of the 17 conditions for which it had been prescribed.〔(Bed Rest Ineffective as Therapy : The Journal of Family Practice )〕 Bed rest is especially used when prescribed or chosen. Even though most patients in hospitals spend most of their time in the hospital beds, bed rest more often refers to an extended period of recumbence at home. In the United States of America, nearly 20% of pregnant women have some degree of restricted activity prescribed at some point during pregnancy〔(Bed Rest During Pregnancy )〕 despite the growing volume of data showing it to be dangerous, causing some experts to call its use "unethical".〔(Is It ‘Unethical’ To Prescribe Bed Rest For Pregnant Women? | CommonHealth )〕〔http://arms.evidence.nhs.uk/resources/qipp/664578/attachment〕 ==Indications== While bed rest has not been proven to have beneficial effects for any condition,〔 it continues to be commonly prescribed in certain cases: *For sufferers of acute pain in the spine or joints; for example, in the case of backache the unloading of the corresponding spinal segment decreases the intradiscal pressure, and it would bring relief in cases such as compression of spinal nerve. The prescribed duration of bed rest vary and opinions differ. As a treatment for low back pain, bed rest should not be used for more than 48 hours.〔, which cites * *〕 *Bed rest is prescribed for some maternal or fetal complications of pregnancy, such as preterm labor, high blood pressure, incompetent cervix, short cervix, fetal growth restriction, preterm premature rupture of membranes (PPROM), placenta previa or placental abruption.〔 * * * *〕 Regarding the effectiveness of bed rest in preventing preterm birth a Cochrane review sound no evidence one way or the other. * Women pregnant with twins or higher-order multiples are at higher risk for preterm labor, preeclampsia ([toxemia), and other pregnancy complications, thus bed rest is common in these cases. About 50% of women pregnant with twins will be on some form of bed rest for at least part of their pregnancy. Recent studies have shown that routine bed rest in twin pregnancies (bed rest in the absence of complications) does not improve outcomes; however, bed rest is almost always prescribed for women carrying triplets or more. *Heart diseases *Bed rest is an important measure in the cases of chorea. In the mild cases it may suffice for treatment.〔[http://www.ninds.nih.gov/disorders/sydenham/sydenham.htm NINDS Sydenham Chorea Information Page] of the National Institute of Neurological Disorders and Stroke〕 *Acute gout, as early ambulation may precipitate a recurrence.〔Page 251 in: 〕 Inclined bed rest is a common practice for people suffering from some forms of Gastroesophageal reflux disease and heart disease and for patients who are on a ventilator.〔 * * * *〕 Despite its prevalence, several studies exploring the effects of tilting the head of a bed have found no support for beneficial health claims. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「bed rest」の詳細全文を読む スポンサード リンク
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