Audio-Digest Foundation: family-practice

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Audio-Digest FoundationFamily Practice


Volume 56, Issue 27
July 21, 2008

The following is an abstracted summary, not a verbatim transcript, of the lectures/discussions on this audio program. If, after reviewing this written summary, you would like to hear the contents and/or earn CME/CE credit:

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ISSUES IN THE “NOT SO GOLDEN YEARS”




Educational Objectives

The goal of this program is to improve the management of ethical dilemmas in end-of-life care and medication problems in elderly patients. After hearing and assimilating this program, the clinician will be better able to:
1. Describe legal statutes that govern treatment decisions.
2. Counsel patients and family members about advance directive decisions.
3. Incorporate values history and effective communication into advance planning.
4. Select appropriate medications to reduce risk for adverse drug effects in elderly patients.
5. Provide measures to improve adherence to appropriate medication use.

Faculty Disclosure

In adherence to ACCME Standards for Commercial Support, Audio-Digest requires all faculty and members of the planning committee to disclose relevant financial relationships within the past 12 months that might create any personal conflicts of interest. Any identified conflicts were resolved to ensure that this educational activity promotes quality in health care and not a proprietary business or commercial interest. For this program, the faculty and planning committee reported nothing to disclose.

Acknowledgments


Dr. Pound spoke in San Francisco, CA, at Annual Review in Family Medicine: Controversies and Challenges in Primary Care, presented April 6-8, 2008, by the University of California, San Francisco, School of Medicine. Dr. Simpson was recorded in Kiawah Island, SC, at An Intensive Review of Family Medicine, presented June 18-23, 2007, by the Medical University of South Carolina. The Audio-Digest Foundation thanks the speakers and the sponsors for their cooperation in the production of this program.


ADVANCE DIRECTIVES: ETHICAL ISSUES— Daniel Pound, MD, Professor of Family and Community Medicine, University of California, San Francisco, School of Medicine
Case presentation: background—woman, 80 yr of age, with severe Alzheimer’s dementia; dependent on family members for activities of daily living; chest mass seen on chest x-ray during visit to emergency department (ED); surgeon advised surgery to prevent hemoptysis or metastasis, while acknowledging dementia would increase risk for postoperative complications; after surgery, woman developed pneumonia and bronchopleural fistula, underwent tracheostomy, needed ventilator, and had persistent fevers, acute renal failure, myocardial infarction, methicillin-resistant Staphylococcus aureus (MRSA), and vancomycin-resistant enterococci (VRE); patient difficult to arouse; appeared to struggle against ventilator; swollen “from head to foot”; woman spent 3 mo in intensive care unit (ICU); family wanted “full code,” but no dialysis; nurses felt woman appeared to be suffering; family conflict—woman’s 6 children “not all in agreement”; daughter who had written power of attorney hoped mother would survive; this caused isolation from siblings, due to disagreements; daughter did not tell friends or coworkers mother in hospital, and felt guilty about deciding to have mother undergo surgery; daughter failed to perceive mother’s suffering and could not engage in meaningful discussion; ethical dilemma—due to conflict in perceptions, values, and expectations between family and medical team; considerations—increasing antibiotics; starting dialysis; focusing on pain treatment and agitation; discontinuing antibiotics; documenting hypotension and cardiac arrest
Efficacy of cardiopulmonary resuscitation (CPR): in 1960, paper stated CPR resulted in “overall permanent survival rate of 70%”; 1 in 3 people in hospitals survive immediate event of CPR (two-thirds die within days to weeks of admission to ICU; one-third of those who survive hospital discharge more likely to have disability or to be placed in long-term care facility); 1 in 6 survive hospital discharge after undergoing CPR (statistic unchanged for 40 yr; however, lower survival rates published after 1960); patients with sepsis, multiorgan failure, or renal failure have <10% chance for survival to hospital discharge; in patients with drug reaction, drug overdose, or acute coronary syndrome, chance for survival 40%; metastatic cancer—case studies published before 1990 showed 0% survival; large study in 2006 looking at 40-yr period found hospital survival rate after CPR, 5.6% (7.8% in last 15 yr); functional status and critical illness more important predictors of survival
Medical futility: definitions—physiologically impossible to succeed; “unlikely” (0%-13%; zero survival in 100 cases); outcome not desirable; unlikely to produce benefit; not cost-effective; relationship between effectiveness, benefit, and burden of treatment in question; futility cannot be determined objectively; determining process to work around futility issues best approach; overtones of futility—pertains to particular goal (eg, short-term survival); offering CPR as hope to families when patient not expected to survive may be viewed as cruel; perceptions of families—physicians paternalistic (ie, make decisions for patients, want to overrule patient and family’s decisions); physicians use futility as trump card to win argument; “if you say it’s futile, you don’t think my loved one is worthy of care anymore”
Unilateral orders based on medical futility: can invoke futility (or similar arguments) about orders that may seem meaningless (eg, do not resuscitate [DNR]); many physicians unaware of state laws and hospital policies; in 1993, legal statutes for individual states proposed (10 states adopted laws based on Uniform Health Care Decisions Act); Texas and California—enacted extensive legal statutes on medical futility; writing unilateral order requires that patient or proxy be informed and involved (requires concurrence of 2 physicians, and patient should be offered transfer to another facility); in Texas, care must be continued for 10 days (if patient not transferred to another hospital, then physicians can stop some life support treatments); in California, supportive care must be continued until it appears transfer cannot be accomplished; Texas maintains Internet registry of people willing to help patients trying to find facility that would accept them; transferring of patients uncommon; Texas requires ethics or medical committee to review case; 2006 revision of University of California, San Francisco, Medical Center policy states CPR not indicated if reasonable promise for recovery not present, burdens grossly disproportionate to expected benefit, or if CPR would only artificially postpone patient’s death; to write unilateral DNR order, patient or surrogate must be informed and offered ethics consultation and transfer to another provider or hospital
Fears of family members: DNR often incorrectly interpreted as do not treat or do not try (eg, “don’t treat that patient, they want to die anyway”); fear of abandonment
DNR and staff: interns who received ethics training shown to give greater attention to variety of medical concerns; other educational and administrative programs unsuccessful; DNR order often marker of severity of patient’s illness, rather than indicator of neglect by staff; for many interns, discussing DNR order with families emotional experience and sometimes not pleasant memory; approaches to DNR—“allow natural death (AND)” coined by Reverend Chuck Meyer in 2000; DNR can evoke negative feelings and sense of being threatened; speaker suggests starting by discussing actions that will be taken before discussing things not chosen to be performed (“so they realize I’m still involved and that I’m not abandoning them”); negative phrases may be harder for patients to understand than positive phrases (eg, ask patient to identify wants [eg, “I want to be surrounded by my family” rather than “I do not want intubation”])
AND vs DNR: AND—addresses death; when talking to patients, speaker uses language that addresses death, eg, “when a person dies, doctors can try to bring you back to life, but it’s usually not successful” (rather than “what should we do when your heart stops?”); study found 85% of nurses would endorse AND or DNR (nursing students and control group less likely); groups with less medical background more likely to prefer AND over DNR
Four levels of care: Belgian study found DNR orders for frail elderly patients resulted in limited care; pick overall level of care for patient; 1) terminal; lowest intervention; provide comfort in dying; involves hygiene and analgesia; 2) palliative; manage symptoms; adds mobility and oral nutrition; 3) usual; restore function; intravenous (IV) or enteral treatment if indicated; 4) intensive; prolong life, even with invasive measures; involves resuscitation and life support; first 3 levels considered DNR; many ways that patient might desire care considered DNR
Discussion with family: explain prognosis (eg, recurrence expected); determine what is most important to family (eg, “I don’t want him to suffer”); ask about concerns (eg, patient’s dislike of hospital); choose intervention; many family members prefer not to discuss hypothetical decisions and interventions; family discord, guilt, and distrust of physicians may result in inability to make acute decisions
Common dilemma: patient receives different recommendations from different physicians; family members have different ideas; patient becomes confused by discussions; burden of therapy on family (eg, taking patient who has difficulty walking to radiation therapy every day)
Shortfalls of advance directives: physicians often unaware of advance directives or do not follow when making decisions; families only slightly better than chance in predicting patient’s wants; standard documents unhelpful
New ideas: focus on communication training for medical students; incorporate values history in advance directives (eg, ask “what were you thinking about when you talked about doing things that would make your life worth living?”); importance of communication—advance directives not one-time event; help patients and families talk to each other and to physicians; builds continuity and trust; values history—determine whether important for patient to be at home or hospital when dying, what makes life worth living (eg, walking, going outside); address greatest hopes and fears; ask, “what is important to you if you were dying?” “what does life mean to you if you couldn’t take care of yourself, recognize your family, or talk and be understood by others?” “is it wrong to forgo treatment that could keep you alive?”
Summary: state and local policies establish process for unilateral decisions, but do not provide clinical determinants of futility; fear of restrictions in care may prevent early DNR orders; interaction with family about goals can achieve consensus; ongoing discussion about prognosis and values can influence end-of-life treatment choices
Questions and answers: patient’s ability to adapt often leads to changes in advance directives (discussion important); nursing homes—DNR forms often complicated or misunderstood; physician orders for life-sustaining treatment (POLST; form designed in Wisconsin for nursing home patients) “best one to use”
MEDICATION PROBLEMS IN THE ELDERLY William M. Simpson Jr, MD, Professor, Department of Family Medicine, Medical University of South Carolina, Charleston
Introduction: goals include using best therapeutic regimens without side effects; people >65 yr of age (13% of population) consume 2 to 3 times more prescription drugs and have on average 11 prescriptions per year
Prescription problems: study found 58 hospitalized patients took 193 prescription medications, but only 38 documented; 70% of patients take over-the-counter (OTC) medications (including herbal therapy) and do not tell physicians, even when asked; prescriber problems—wrong diagnoses lead to wrong medications; treating symptoms may result in incorrect medication use; drug interactions with other disease, food, or drug; overprescribing; patients expect to receive prescription after visiting physician (legitimizes illness); elderly patients more likely to use medications (especially OTC medications) for acute minor illnesses; 18% of hospital admissions for acute drug reactions due to OTC drugs
Adherence: compliance (ie, how well patient’s behavior conforms to medical advice); 50% of prescriptions in ED setting not filled (nearly all prescriptions filled when patient in long-standing relationship with primary care practitioner); nonadherence—improper administration or premature discontinuation; inappropriate use (eg, sharing medications with family members, reusing old prescriptions); poor response due to poor adherence may lead to erroneous conclusions about diagnosis or efficacy of therapy; with aging, increase in incidence of memory loss, number of diseases, and number of medications (note, adherence decreases with greater number of medications); improving adherence— health belief model (patients who believe in susceptibility of serious disease and efficacy of treatment more likely to adhere); personalize diagnosis; simplify regimens; consider lifestyle; adequate labeling (eg, identify what medication is for, large print); patient-friendly lids
Changes in pharmacokinetics: absorption—slight changes unless acid-dependent or patient has decreased mesenteric blood flow (eg, abdominal angina); distribution—slight changes; due to decreased body weight and body water, increased body fat mass, decreased lean body mass, and decreased plasma albumin; metabolism—oxidation reduced in most patients; hydrolysis and reduction unchanged; conjugation unchanged unless patient has serious liver disease; renal clearance—decline in glomerular filtration rate; serum creatinine based on muscle mass (does not adequately measure renal function in elderly); environmental factors—less tobacco smoking and decreased caffeine and alcohol intake reduce hepatic microsomal enzymes (may decrease metabolic rate of drugs)
Risk factors for adverse drug reactions: use of multiple drugs; women >50 yr of age (especially white women); multiple medical problems; impaired renal function; cancer; positive history of adverse drug reactions; 15% of hospitalized elderly patients have adverse drug reaction during hospital stay; pharmacologic—toxic effect; side effects; allergic effect; idiosyncratic effect
Potentially inappropriate medications for older adults (according to Beers list): propoxyphene; indomethacin; oxybutynin; reserpine—low doses (<0.20 mg/day) acceptable; causes nasal congestion; no data about increased rates of suicide with low doses; >0.25 mg/day not recommended
Drug use in nursing homes: evaluate residents’ signs and symptoms before prescribing medication; do not place patients on medication without closing order; do not stop temporary medication for, eg, respiratory infection (appropriate durations of medication use and medication orders important); consider nonpharmacologic interventions (eg, assisting patient to restroom rather than placing him or her on medication for overactive bladder); monitor for signs of adverse effects; clarify which conditions being treated; provide ending date for therapy; follow for adverse events; be cautious with acetaminophen (>4.0 g/day) and other nonsteroidal anti-inflammatory drugs, antibiotics, iron, and warfarin; use of psychotherapeutic medications requires documented diagnosis, reason for therapy, and appropriate duration (when possible, periodically discontinue drug to check for need)
Key considerations: treating symptoms without diagnosis increases likelihood of difficulty with therapy (eg, use of more medications, side effects); consider nonpharmacologic treatment when possible; consider whether symptoms due to other medicines (consider changing or stopping therapy); minimize drug treatment whenever possible; start medications low (and stay low as much as possible) and go slow; in Alzheimer’s disease, start medications low and follow progression until patient on effective dose (may take longer to titrate); reevaluate patient at end of drug course; transdermal systems (patches) or liquid forms of medications may be more useful to some patients; when possible, decrease number of doses per day; utilize large print and non-childproof caps on medication bottles; try to use lowest possible dose; avoid intermittent dosage schedules; giving written instructions at time of interaction increases adherence by 30%; periodically (eg, every 3-6 mo) review patient’s medications; reminders to take medications (eg, pill boxes) useful; inform patients to report adverse drug events; encourage patients to use one pharmacy for all prescriptions (pharmacies with medication profiles of individual patients and drug-drug interaction programs preferred); prescriber’s letter optimal reference for drug interactions and use

Suggested Reading

Ardagh M: Futility has no utility in resuscitation medicine. Med Ethics 26:396, 2000; Aspinall S et al: Medication errors in older adults: a review of recent publications. Am J Geriatr Pharmacother 5:75, 2007; Cantor MD et al: Do- not-resuscitate orders and medical futility. Arch Intern Med 163:2689, 2003; Collins LG et al: The state of advance care planning: one decade after SUPPORT. Am J Hosp Palliat Care 23:378, 2006; Kouwenhoven WB et al: Closed-chest cardiac massage. JAMA 173:1064, 1960; Mansur N et al: Relationship of in-hospital medication modifications of elderly patients to postdischarge medications, adherence, and mortality. Ann Pharmacother 42:783, 2008; Peberdy MA et al: Cardiopulmonary resuscitation of adults in the hospital: a report of 14720 cardiac arrests from the National Registry of Cardiopulmonary Resuscitation. Resuscitation 58:297, 2003; Pellegrino ED: Decisions to withdraw life-sustaining treatment: a moral algorithm. JAMA 283:1065, 2000; Schlenk EA et al: Medication non-adherence among older adults: a review of strategies and interventions for improvement. J Gerontol Nurs 30:33, 2004; Shepler SA et al: Keep your older patients out of medication trouble. Nursing 36:44, 2006; Snowden A: Medication management in older adults: a critique of concordance. Br J Nurs 17:114, 2008; Vanpee D et al: Scale of levels of care versus DNR orders. J Med Ethics 30:351, 2004; Venneman SS et al: "Allow natural death" versus "do not resuscitate": three words that can change a life. J Med Ethics 34:2, 2008.

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