Ending Medical Reversal

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Ending Medical Reversal Page 29

by Vinayak K Prasad


  albuterol, 25

  alcohol dependence, 220

  allergens, 223

  alternative treatments, 198–99

  Alzheimer’s disease, 92, 230

  American College of Cardiology, 141

  American Heart Association, 141

  amnioinfusion, 86, 228

  amyloidosis, 234

  anagrelide, 227

  anemia, 231

  anesthesia: awareness during, 236

  spinal, cesarean delivery and, 95, 226

  aneurysms: abdominal aortic, 86, 220, 244

  intracranial, 209, 226

  anginal chest pain, 14–15, 27–29, 130

  coronary stents for stable angina, 3–4, 6, 11, 15, 20, 27–28, 29, 92, 130, 131, 156, 187, 217, 224, 227, 231, 232

  internal mammary artery ligation for, 28–29

  angiotensin-converting enzyme inhibitors, 154, 225

  anomalies, 128–33, 135

  antacids, 82, 129

  anterior cruciate ligament (ACL) reconstruction, 23–24, 244

  antibiotics, 11, 114, 171, 207

  for appendicitis, 111–12

  for asymptomatic bacteriuria, 221

  bacterial resistance to, 58, 61

  for Lyme disease, 219

  for peptic ulcer disease, 129

  for pneumonia, 65, 191

  anticoagulation, 207, 219, 227, 243

  anticonvulsants, 219, 239, 245

  antidepressants, 232

  antipsychotics, 229, 230

  aortic regurgitation, 228

  appendectomy, 14, 111–12

  aprotinin, 229, 236, 237

  arsenic therapy, 6, 11, 188

  arterial stenosis, intracranial, 227

  artery stents, intracranial, 89–91

  arthroscopic knee surgery, 22–23, 24, 28, 86, 221, 238

  aspirin, 14, 88, 89, 106, 226, 227, 243

  asthma, 25, 29, 223, 232, 239

  atenolol, 13, 20, 32, 36, 100

  atherosclerosis, 86, 91, 131, 223, 224, 241

  atorvastatin, 6, 14, 89, 100, 145

  atrial fibrillation, 89, 221, 237, 242

  Avastin. See bevacizumab

  Bell’s palsy, 234

  Benefits of Universal Glove and Gown (BUGG) study, 59

  benign prostatic hyperplasia (BPH), 43, 229

  Bero, Lisa, 144

  beta-blockers, 13, 14

  beta-carotene, 1, 92

  bevacizumab (Avastin), 36–38, 145, 185, 201

  birth, preterm, 219, 220, 223

  blood sugar control, 30, 32, 38, 197, 237, 238

  hemoglobin A1c and, 30–34, 36, 41, 197, 232

  in ICU, 61, 67–68, 238

  blood thinners, 15, 89, 245

  bone health, estrogen and, 2, 3

  Breakthrough Therapy Designation, 189, 189f

  breast cancer, 1–2, 127, 222, 225

  bevacizumab for, 36–38, 145, 185, 201

  hormone replacement therapy and, 2, 3, 104

  lymphedema after surgery for, 181, 240

  mammography screening for, 11, 16–18, 20, 46, 47–48, 50, 51, 52–54, 55, 93–94, 232

  mastectomy for, 46, 221

  Brett, Allan, 179

  bronchiolitis, 223, 233

  burden of proof, 162, 183–89, 206

  arguments for, 187–88

  behavioral changes for adoption of, 188–89

  for efficacy of medical devices, 185–86

  for malpractice claims, 184–85

  medical care in era of, 193

  caffeine and miscarriage, 107

  calcium supplementation, 71, 72, 73–74, 230

  Calderon, Jose, 119

  cancer screening tests, 46–48

  overdiagnosis due to, 49–51

  population data for, 51–54. See also under specific cancers

  carcinoid heart disease, 222

  Cardiac Arrhythmia Suppression Trial (CAST), 12, 166, 193

  cardiac output, 39–40

  cardiac stress test, 14, 212

  cardiogenic shock, 39–40

  cardiopulmonary resuscitation, 244

  carotid artery ultrasound, 211

  carvedilol, 14n

  case-control studies, 106–8

  catheters, central venous, 230

  cause and effect, 107, 109–10, 114, 121

  celecoxib, 227

  Centers for Medicare and Medicaid Services, 213

  cervical cancer screening, 46, 47, 48, 55

  cesarean delivery, 95, 226

  cetuximab, 114

  chiropractic, 69

  cholesterol level, 32, 34–36, 89

  cholesterol-lowering drugs, 11, 14, 34–36, 85, 89, 101, 141, 165–66, 236, 242

  after heart attack, 6, 36, 199. See also statins; specific drugs

  cholestyramine, 6

  chondroitin sulfate, 72, 230

  clinical decision rules, 212

  clinical trials, 2

  appraisal of, 5

  industry-sponsored, 136–40, 176–77

  naming of, 12n; selective reporting of, 139. See also randomized controlled trials

  clopidogrel, 15, 226, 245

  Cobb, Leonard, 29

  cognitive dissonance, 77–78

  cohort trials, 103–6

  colorectal cancer, 114, 227, 245

  colonoscopy screening for, 46, 47, 48, 49, 199, 243

  complementary treatments, 69–70

  lack of regulation of, 77

  placebo effect for, 26

  reasons for use of, 75–78

  reversals for, 74–75, 77

  conflicts of interest in practice guidelines, 140–42, 147

  confounding variables, 105

  consumers, health-care, 151

  continuous positive airway pressure, 229

  contraception, 229

  Copernicus, 128

  coronary angiogram, 14–15, 28

  coronary-artery bypass grafting, 227, 236, 240

  coronary-artery revascularization, 225

  coronary heart disease, 14, 224

  coronary stents: drug-eluting, 231

  for stable angina, 3–4, 6, 11, 15, 20, 27–28, 29, 92, 130, 131, 156, 187, 217, 224, 227, 231, 232

  corticosteroids, 223, 230, 233–36

  COURAGE trial, 27–28, 29, 92, 130, 131, 133, 156, 217, 232

  C-reactive protein, 224

  critically ill patients, 83, 155, 206, 230, 238, 241, 242

  CT-scan screening for lung cancer, 46, 47, 48–49, 54–55

  cystic fibrosis, 235

  darbepoietin alfa, 241

  depression, 152, 156, 176, 245

  bipolar, 232

  postpartum, 99, 100

  dexamethasone, 223, 233, 234, 235

  DHEA, 231

  Dhruva, Sankeet, 144

  diabetes mellitus, 221, 241, 242, 243

  gestational, 237

  hemoglobin A1c in, 30–34, 36, 41, 197, 232

  diagnostic tests, 209–12. See also screening tests

  dialysis patients, 85, 209, 239, 245

  diet, 1, 31, 71, 78–80, 149, 180–81, 220

  Mediterranean, 78–79

  dietary supplements, 69–70

  diethylstilbestrol, 94

  digoxin, 221

  dipyridamole, 89

  dire and rare situations, 206–8

  direct-to-consumer (DTC) advertising, 152–53

  discovery and replication, 177–78

  burden of proof for, 183–89

  stages in career of medical innovation, 4–5, 133–34

  distrust of medical system, 18, 93–94, 95

  doctor-patient relationship, 19, 195, 196, 202–3

  medical education about, 167, 168

  patient scheduling and, 196

  placebo effect and, 25

  using doctor’s experience and expertise, 202–3

  and what makes a good doctor, 163–64

  and white-coat silence, 196

  dopamine, 242

  drug testin
g in developing countries, 188

  echinacea, 71, 72, 76, 228

  empathy, 8, 164

  emphysema, 40, 181

  empiricism vs. reductionism, 154–55, 165

  end points, 162, 197–99

  of diagnostic tests, 211

  studies showing treatment-related improvement of, 198–99

  subjective, 20–30, 126

  surrogate, 30–42, 45, 126, 197–98

  epinephrine, 223, 224

  epoietin alfa, 231

  eptifibatide, 240

  esomeprazole, 239

  eszopiclone (Lunesta), 148n

  ethics, 162, 183, 189

  of placebos, 26, 104

  of randomized controlled trials, 104, 117, 119

  of sham surgery, 24

  evidence-based medicine (EBM), 4–6, 19, 21, 99–108, 111, 195

  burden of proof and, 183–89

  case-control studies, 106–7

  cohort trials, 103–6

  in diagnostic testing, 209–12

  doctors’ explanation of evidence, 151

  FDA approval process and, 142, 162

  randomized controlled trials, 5, 101–3, 108, 110–22, 126

  exercise, 71, 149, 180–81, 182

  ezetimibe, 236, 241

  FDA. See U.S. Food and Drug Administration approval process

  feeling better, 15, 16, 19, 20–30, 45, 78, 80, 100. See also subjective end points

  fenofibrate, 35, 36, 195

  financial incentives, 4, 14, 17, 18, 95, 133–34, 141–42, 149, 155–56, 161, 175–76, 195, 213

  Physician Payments Sunshine Act, 176

  flawed data sources, 126, 134–47

  conflicts of interest in practice guidelines, 140–42

  FDA approval process, 142–47

  industry-sponsored trials, 136–40, 176–77

  flecainide, 12, 20

  Flexner, Abraham, 165

  Framingham Heart Study, 34

  gabapentin (Neurontin), 146–47

  Galileo, 128

  Gall, Victor, 83

  genomic medicine, 114–15

  gentamicin-collagen sponge, 245

  germ theory of disease, 129

  Getzsche, Peter, 48n

  Gleevec. See imatinib glucosamine, 71, 72, 75, 230

  Government Accountability Office, 144

  gown-and-glove precautions, 58–59, 60, 61, 63, 64n, 110

  Groopman, Jerome, 94

  hamstring surgery, 201

  harmful practices/therapies, 2, 11, 12, 27, 68, 71, 86, 87, 101, 117

  burden of proof and, 186, 187–88, 193

  case-control studies of, 106

  complementary therapies, 73, 74, 80

  drug approval and, 145, 146, 185

  genomic medicine and, 114–15

  hormone replacement therapy, 3, 6, 103–5

  inferior vena cava filter, 186

  malpractice and, 184

  placebos, 26

  screening tests, 56

  spinal-cord stimulators, 144

  harms of medical reversal, 6–7, 18–19, 88–95, 161, 173, 195, 214

  intracranial stents, 89–91

  loss of trust in medical system, 93–94, 95

  to patients undergoing therapy, 90–91, 95

  refusal to abandon ineffective practices, 91–93, 95

  withholding of beneficial therapies due to safety concerns, 94–95

  Hartzband, Pamela, 94

  Hawthorne effect, 62

  health-care team, 59–60, 164, 167

  rapid response, 63–64

  heart attack. See myocardial infarction

  heart failure, 14, 40, 93, 150, 154, 174, 221, 229, 235, 237–38

  heart surgery in infants, 225

  Heberden, William, 130

  Helicobacter pylori infection, 129

  Hemkens, Lars, 41

  hemoglobin A1c (HbA1c), 30–34, 36, 41, 197, 232

  hemophilia, 209

  hepatitis C, 238

  HIV/AIDS, 46, 144, 208, 218

  Hodgkin’s lymphoma, 222

  homocysteine, 230

  hormone-replacement therapy, 2–3, 6, 103– 5, 132, 133, 195, 222, 223

  Horwitz, Ralph, 112

  hospitalization, 40–41

  Humanitarian Use Device, 91

  hydroxyurea, 227

  hypercalciuria, 220

  hypertension, 13, 30, 36, 100

  atenolol for, 13, 20, 32, 36, 100

  hypothesis generation and testing, 2, 4, 12, 99, 106, 126–27, 130, 131, 132, 165–66, 178, 191, 210

  ibuprofen, 21

  imatinib (Gleevec), 114

  indomethacin, 219

  industry-sponsored trials, 136–40, 176–77, 195

  inferior-vena-cava (IVC) filter, 186

  influenza, 136–38

  inguinal hernia repair, 224

  insulin therapy, 30–31, 67, 68, 236, 237

  internal mammary artery ligation, 28–29

  intra-aortic balloon pump (IABP), 39–40

  in vitro fertilization, 233

  Ioannidis, John, 82–83, 112, 118

  irritable bowel syndrome (IBS), 26–27

  IV catheter infections, 62–63

  joint replacement surgery, 85, 156

  Kaptchuk, Ted, 26

  Kefauver-Harris Amendment, 185

  Kepler, Johannes, 128

  Kesselheim, Aaron, 139–40

  knee arthroscopy, 22–23, 24, 28, 86, 221, 238

  knee joint pain, 21–23, 230

  Kuhn, Thomas, 127–33

  Landsberger, Henry A., 62

  lead chelation therapy, 219

  leukoplakia, oral, 224

  life expectancy, 6, 134

  LIFE trial, 12n, 13

  losartan, 13

  Löwy, Ilana, 46

  Lunesta. See eszopiclone

  lung cancer, 188n

  CT-scan screening for, 46, 47, 48–49, 54–55

  smoking and, 105–6, 107, 108

  lung disease of prematurity, 223

  lung transplantation, 235

  lymphedema, 181, 240

  magnetic resonance imaging, 21, 90

  malfeasance, 126, 142

  malpractice claims, 18, 184–85

  mammography, 11, 16–18, 20, 46, 47–48, 50, 51, 52–55, 93–94, 232

  Marshall, Barry, 129

  mastectomy, 221

  prophylactic, 46

  McKinlay, John, 4–5, 133–34, 162

  mechanism of therapeutic action, 154, 165

  Medicaid, 91, 213

  medical-device industry, 136, 176, 192, 213

  device approval process, 143–44, 185–86

  medical education, 19, 85, 93, 161–72

  anatomy courses, 166–67; “first, do no harm,” 4, 94, 117, 188

  overcoming critics of revision, 170–71

  proposed curriculum for, 172

  rebuilding from ground up, 166–70

  reductionist vs. empiricist approach to, 154–55, 165

  rethinking foundations of, 164–66

  and what makes a good physician, 163–64. See also academic medicine

  medical innovations: probability of working, 187–88

  stages in career of, 4–5, 133–34

  medical reversal, 1, 6, 11–12, 125–26

  Australian study of, 86–87

  avoiding becoming victim of, 195–204

  British Medical Journal Clinical Evidence study of, 86, 87

  burden of proof and, 183–89

  cases of, 12–18, 20

  for complementary treatments, 74–75, 77

  controversy about, 7

  due to scientific progress, 125, 130–31

  evidence-based medicine and, 4–6

  harms of, 6–7, 18–19, 88–95, 161, 173, 195, 214

  history of, 2–4, 6

  impact of thought leaders on, 175

  observational studies and, 105–6, 107, 108, 126, 134, 180, 181, 198, 205

  and optimizing medical care, 2
12–14

  Prasad-Cifu studies of frequency of, 81–87

  scientific method and, 11–12, 125, 126–27, 131–32, 157

  for screening tests, 54–55

  summaries of reviewed studies of, 86, 217–45

  of systems interventions, 61–64

  of treatments that make people feel better, 20–30

  useless research and, 181

  Medicare, 15–16, 90n, 91, 101n, 145, 213

  meningitis, bacterial, 235

  MERIT trial, 64

  meta-analyses, 5, 115, 120–21

  metformin, 31, 237

  methicillin-resistant Staphylococcus aureus (MRSA), 59, 61

  metoprolol, 13, 14

  Milwaukee Protocol for rabies, 112–13

  monoclonal antibodies, 37

  mortality, 8, 20, 31, 32, 76, 197

  cholesterol level and, 34

  hemoglobin A1c and, 31, 34

  hospitalization and, 41

  hypertension and, 13, 100

  impact of cancer screening tests on, 46, 47, 48–49, 55

  mammography for women in their forties and, 17–18

  premature ventricular contractions and, 12

  statins and, 141

  multiple sclerosis (MS), 95, 99, 218

  mupirocin, intranasal, 221

  myocardial infarction (MI), 130–31, 231, 232

  calcium supplementation and, 74

  cholesterol and, 34

  cholesterol-lowering drugs and, 6, 36, 199

  coronary stenting and, 3–4, 130, 131

  diagnostic tests for, 212

  door-to-balloon time for, 65–67

  estrogen and, 103–4

  estrogen replacement and, 2, 3

  flecainide after, 12, 20

  hemoglobin A1c and, 31, 32, 34

  intraaortic balloon pump and, 39–40

  naltrexone, 220

  National Center for Complementary and Alternative Medicine, 77

  National Comprehensive Cancer Network (NCCN), 145

  National Institutes for Clinical Excellence, 37–38

  National Institutes of Health, 77, 138, 140, 176, 178, 203, 213

  natural history of disease, 199

  neuroblastoma, 220

  neurocysticercosis, 220

  Neurontin. See gabapentin niacin, 35–36, 166, 200–201, 241

  nitric oxide, 83, 228

  norepinephrine, 154, 236, 242

  nudge principle, 191–93, 194, 206, 207

  number needed to treat (NNT), 102, 199, 200

  Nurses’ Health Study, 103–5, 107

  obesity, 149–50

  observational studies, 105–6, 107, 108, 126, 134, 180, 181, 198, 205

  Offit, Paul, 77

  off-label drug marketing, 142, 145–47

  optimism, 93, 117, 155, 156, 161

  optimizing medical care, 212–14

  oseltamivir (Tamiflu), 136–38, 139, 144

  Osler, William, 69

  osteoarthritis of knee, 21, 29, 82, 86, 221, 230, 238

  osteoporosis, 2, 3, 15, 71, 74, 174, 240

  ovarian cancer, 225

  pancreatic cancer, 106, 107, 180, 181, 241

  Pap smears, 46, 47, 48

 

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