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Against Medical Advice, or AMA, sometimes known as DAMA, Discharge Against Medical Advice, is a term used in health care institutions when a patient leaves a hospital against the advice of their doctor.〔Alfandre, D. "I'm going home": discharges against medical advice. Mayo Clin Proc. 2009 Mar;84(3):255-60.〕 While leaving before a medically specified endpoint may not promote the patient's health above their other values, there is widespread ethical and legal consensus that competent patients (or their authorized surrogates) are entitled to decline recommended treatment. The available data suggests that in general, patients discharged AMA have an increased risk of hospital readmission, and potentially death.〔Glasgow JM, Vaughn-Sarrazin M, Kaboli PJ. Leaving against medical advice (AMA): risk of 30-day mortality and hospital readmission. J Gen Intern Med. 2010;25(9):926–9.〕 This data however, describes groups of patients discharged AMA, and therefore should not necessarily be applied to an individual patient wishing to leave AMA, and who may have different clinical circumstances and risks. Although common hospital practice for an AMA discharge involves the patient being asked to sign a form stating that he or she is aware that they are leaving the facility AMA, the hospital is generally not legally required to use it.〔Levy F, Mareiniss DP, Iacovelli C. The importance of a proper Against-Medical-Advice (AMA) discharge: how signing out AMA may create significant liability protection for providers. J Emerg Med. 2012;43(3):516–20〕 Rather, the legal and ethical requirement is that the authorized health care professional has an informed consent discussion with the patient regarding his/her choice to leave the hospital before it has been recommended. This discussion which includes disclosure of the risks, benefits, and alternatives to hospitalization, as well as the patient's understanding, should be documented in the patient's chart. While most practitioners believe that the AMA discharge form is needed to limit liability on the part of the medical facility in case there are complications, that is an invalid assumption and may in fact lead to coercive practices that do not support patients.〔Schaefer GR, Matus H, Schumann JH, Sauter K, Vekhter B, Meltzer DO, Arora VM. Financial responsibility of hospitalized patients who left against medical advice: medical urban legend? J Gen Intern Med. 2012 Jul;27(7):825-30〕 Some authors have begun to question the wisdom of this clinical practice of designating a discharge as AMA, as it doesn't follow professional standards, lacks evidence of its utility to improve patient care, and may harm patients by reducing their likelihood of following up.〔(Alfandre D, Schumann J. What Is Wrong With Discharges Against Medical Advice (and How to Fix Them). JAMA. Published online November 11, 2013. )〕 Finally, there is widespread ethical consensus that even when patients decline recommended treatment, health care professionals still have a duty to care for and support patients.〔Alfandre D. From "I'm not staying!" to "I'm not leaving!": ethics, communication, and empathy in complicated medical discharges. Mt Sinai J Med. 2008 Oct;75(5):466-71.,〕 The limited research in this area has led to a stagnation in effective interventions designed to alleviate AMA discharges. Multiple retrospective studies examining AMA discharges over the last 4 decades have attempted to identify risk factors in order to develop interventions to reduce the likelihood of AMA discharges in the future. The majority of studies have identified patient risk factors for AMA discharges that included low socioeconomic status, history of drug or alcohol abuse, and male gender. No studies have yet attempted to identify physician factors that increase the risk of an AMA discharge. More research is needed to understand this practice and intervene effectively.〔Alfandre, D. Reconsidering Against Medical Advice Discharges: Embracing Patient-Centeredness to Promote High Quality Care and a Renewed Research Agenda. J Gen Intern Med. 2013 Jul 2〕 In a mental hospital setting, a patient is typically allowed to check out of the hospital by giving at least a day's notice (though in some jurisdictions the time may vary depending on whether the patient is under "informal" or "formal" voluntary commitment). This is so that if the doctor believes that the patient would be a danger to self or others, the doctor has time to begin Involuntary commitment proceedings against the patient to compel the patient to remain in the hospital for treatment. ==Statistics== In the United States, the total number of stays discharged AMA increased 41 percent between 1997 and 2011. For adults ages 45-64 years, the percentage of AMA discharges increased from 27 percent in 1997 to 41 percent in 2011. By payer, the share of AMA discharges increased from 25 percent to 29 percent for Medicare and decreased from 21 percent to 16 percent for private insurance.〔 Pfuntner A., Wier L.M., Elixhauser A. Overview of Hospital Stays in the United States, 2011. HCUP Statistical Brief #166. November 2013. Agency for Healthcare Research and Quality, Rockville, MD. (). 〕 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「Against medical advice」の詳細全文を読む スポンサード リンク
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