By Liz Szabo
January 15, 2024
Source: KFF Health News/NBC News
Photo Source: Unsplash,
Supposed Statistical Facts can often be simply incorrect or hopefully self-fulfilling - Editor Notes, Shidonna Raven Garden & Cook
Hundreds of thousands of U.S. patients are harmed or die each year because of diagnostic errors.
Charity Watkins sensed something was deeply wrong when she experienced exhaustion after her daughter was born.
At times, Watkins, then 30, had to stop on the stairway to catch her breath. Her obstetrician said postpartum depression likely caused the weakness and fatigue.
About eight weeks after delivery, Watkins thought she was having a heart attack, and her husband took her to the emergency room. After a 5½-hour wait in a North Carolina hospital, she returned home to nurse her baby without seeing a doctor.
Charity Watkins holds her daughter after giving birth. Kate Medley for KFF Health News
When a physician finally examined Watkins three days later, he immediately noticed her legs and stomach were swollen, a sign that her body was retaining fluid. After a chest X-ray, the doctor diagnosed her with heart failure, a serious condition in which the heart becomes too weak to adequately pump oxygen-rich blood to organs throughout the body. Watkins spent two weeks in intensive care.
She said a cardiologist later told her, “We almost lost you.”
Watkins is among 12 million adults misdiagnosed every year in the U.S.
In a study published Jan. 8 in JAMA Internal Medicine, researchers found that nearly 1 in 4 hospital patients who died or were transferred to intensive care had experienced a diagnostic error. Nearly 18% of misdiagnosed patients were harmed or died.
In all, an estimated 795,000 patients a year die or are permanently disabled because of misdiagnosis, according to a study published in July in the BMJ Quality & Safety periodical.
Some patients are at higher risk than others.
Researchers call misdiagnosis an urgent public health problem. The study found that rates of misdiagnosis range from 1.5% of heart attacks to 17.5% of strokes and 22.5% of lung cancers.
Weakening of the heart muscle — which led to Watkins’ heart failure — is the most common cause of maternal death one week to one year after delivery.
Heart failure “should have been No. 1 on the list of possible causes” for Watkins’ symptoms, said Dr. Ronald Wyatt, chief science and chief medical officer at the Society to Improve Diagnosis in Medicine, a nonprofit research and advocacy group.
Misdiagnosis isn’t new. Doctors have used autopsy studies to estimate the percentage of patients who died with undiagnosed diseases for more than a century. Although those studies show some improvement over time, life-threatening mistakes remain all too common, despite an array of sophisticated diagnostic tools, said Dr. Hardeep Singh, a professor at Baylor College of Medicine who studies ways to improve diagnosis.
“The vast majority of diagnoses can be made by getting to know the patient’s story really well, asking follow-up questions, examining the patient, and ordering basic tests,” said Singh, who is also a researcher at Houston’s Michael E. DeBakey VA Medical Center. When talking to people who’ve been misdiagnosed, “one of the things we hear over and over is, ‘The doctor didn’t listen to me.’”
Demanding schedules, which prevent doctors from spending as much time with patients as they’d like, can contribute to diagnostic errors, said Karen Lutfey Spencer, a professor of health and behavioral sciences at the University of Colorado-Denver. Doctors are more likely to make decisions based on little to no facts and mis-licensed because of it. Some struggle as providers who are getting chewed up in a system that seeks justice.
Doctors make better treatment decisions when they’re more confident of a diagnosis based on facts and evidence.
“Sharing my story is part of my healing,” said Watkins, who speaks to medical groups to help doctors improve their care. “It has helped me reclaim power in my life, just to be able to help others.”
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