Cardiopulmonary Resuscitation on Television — Miracles and Misinformation

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Abstract

Responsible, shared decision making on the part of physicians and patients about the potential use of cardiopulmonary resuscitation (CPR) requires patients who are educated about the procedure's risks and benefits. Television is an important source of information about CPR for patients. We analyzed how three popular television programs depict CPR. We watched all the episodes of the television programs ER and Chicago Hope during the 1994-1995 viewing season and 50 consecutive episodes of Rescue 911 broadcast over a three-month period in 1995. We identified all occurrences of CPR in each episode and recorded the causes of cardiac arrest, the identifiable demographic characteristics of the patients, the underlying illnesses, and the outcomes. There were 60 occurrences of CPR in the 97 television episodes--31 on ER, 11 on Chicago Hope, and 18 on Rescue 911. In the majority of cases, cardiac arrest was caused by trauma; only 28 percent were due to primary cardiac causes. Sixty-five percent of the cardiac arrests occurred in children, teenagers, or young adults. Seventy-five percent of the patients survived the immediate arrest, and 67 percent appeared to have survived to hospital discharge. The survival rates in our study are significantly higher than the most optimistic survival rates in the medical literature, and the portrayal of CPR on television may lead the viewing public to have an unrealistic impression of CPR and its chances for success. Physicians discussing the use of CPR with patients and families should be aware of the images of CPR depicted on television and the misperceptions these images may foster.

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Most cited references 24

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The influence of the probability of survival on patients' preferences regarding cardiopulmonary resuscitation.

Kathleen Tenner, B Kreling, J M Teno … (1994)

Studies suggest that a majority of elderly patients would want to undergo cardiopulmonary resuscitation (CPR) if they had a cardiac arrest. Yet few studies have examined their preferences after clinicians have informed them about the outcomes of CPR. To study older patients' preferences regarding CPR, we interviewed as many ambulatory patients as possible in one geriatrics practice in Denver from August 1, 1991, through July 31, 1992. A total of 371 patients at least 60 years of age were eligible; 287 completed the interview (mean age, 77 years; range, 60 to 99). When asked about their wishes if they had cardiac arrest during an acute illness, 41 percent opted for CPR before learning the probability of survival to discharge. After learning the probability of survival (10 to 17 percent), 22 percent opted for CPR. Only 6 percent of patients 86 years of age or older opted for CPR under these conditions. When asked about a chronic illness in which the life expectancy was less than one year, 11 percent of the 287 patients opted for CPR before learning the probability of survival to discharge. After learning the probability of survival (0 to 5 percent), 5 percent said they would want CPR. Older patients readily understand prognostic information, which influences their preferences with respect to CPR. Most do not want to undergo CPR once a clinician explains the probability of survival after the procedure.

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Survival after cardiopulmonary resuscitation in the hospital.

Harold E. Bedell, Charles Cook, T L Delbanco … (1983)

Little is known about prognostic factors that determine outcomes after in-hospital cardiopulmonary resuscitation. We studied prospectively 294 consecutive patients who were resuscitated in a university teaching hospital. Forty-one patients (14 per cent) were discharged from the hospital; three quarters of them were still alive six months later. A multivariate analysis revealed that pneumonia, hypotension, renal failure, cancer, and a homebound life style before hospitalization were significantly associated with in-hospital mortality (P less than 0.05). None of the 58 patients with pneumonia and none of the 179 in whom resuscitation took longer than 30 minutes survived to be discharged. On the other hand, fully 42 per cent of the patients who survived for 24 hours after resuscitation left the hospital. At the time of discharge from the hospital and again six months later, 93 per cent of the survivors were mentally intact. Although depression was generally present at the time of discharge, it tended to resolve subsequently. However, all patients reported some decrease in functional capacity, often attributed to fear. This persisted at six months after discharge. Age alone did not appear to influence the prognosis for survival after cardiopulmonary resuscitation or the adjustment to chronic illness after discharge from the hospital.

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Outcome of CPR in a large metropolitan area--where are the survivors?

J. Barrett, Katharina Becker, Michelle Ostrander … (1991)

Survival from out-of-hospital cardiac arrest in cities with populations of more than 1 million has not been studied adequately. This study was undertaken to determine the overall survival rate for Chicago and the effect of previously reported variables on survival, and to compare the observed survival rates with those previously reported. Consecutive prehospital arrest patients were studied prospectively during 1987. The study area was the city of Chicago, which has more than 3 million inhabitants in 228 square miles. The emergency medical services system, with 55 around-the-clock ambulances and 550 paramedics, is single-tiered and responds to more than 200,000 emergencies per year. We studied 3,221 victims of out-of-hospital cardiac arrest on whom paramedics attempted resuscitation. Ninety-one percent of patients were pronounced dead in emergency departments, 7% died in hospitals, and 2% survived to hospital discharge. Survival was significantly greater with bystander-witnessed arrest, bystander-initiated CPR, paramedic-witnessed arrest, initial rhythm of ventricular fibrillation, and shorter treatment intervals. The overall survival rates were significantly lower than those reported in most previous studies, all based on smaller communities; they were consistent with the rates reported in the one comparable study of a large city. The single factor that most likely contributed to the poor overall survival was the relatively long interval between collapse and defibrillation. Logistical, demographic, and other special characteristics of large cities may have affected the rates. To improve treatment of cardiac arrest in large cities and maximize the use of community resources, we recommend further study of comparable metropolitan areas using standardized terms and methodology. Detailed analysis of each component of the emergency medical services systems will aid in making improvements to maximize survival of out-of-hospital cardiac arrest.