November, 2014
“Just another risk to put on the consent form… ”
– Hugh Calkins, MD
“A typical case is someone who had pulmonary vein ablation shows up in the ER with three pulmonary veins completely blocked and the fourth one 90% blocked,” Calkins relates. “The patient gets emergency heart surgery and dies. Another person gets an A-Fib ablation, you get a call, the patient has been diagnosed with lung cancer, well it wasn’t lung cancer, it was an occluded pulmonary vein that appeared to be lung cancer, but the patient got a lung removed. There was this iatrogenic epidemic of pulmonary vein stenosis…” … and the complications kept on coming, each one unexpected, and each one unprecedented. There were four reported cases of “gastric hypomotility and pyloric spasm.”
The victims suffered terrible bloating of their stomach and vicious bouts vomiting because their stomachs had become permanently paralyzed. He wrote in 2006 about what was “perhaps the most feared and most lethal of the many complications,” the atrio-esophageal fistula. They probably call it The Widow Maker back in the doctor’s lounge. “Among patients who do not exsanguinate from upper gastrointestinal tract bleeding,” a surgeon writes, “presentation includes sepsis and embolic cerebrovascular disease.” That is to say that they’ve burned a hole through your heart into your esophagus and if you don’t drown in your own blood right then and there, you’ll die very soon in some equally grisly manner.
“Just another risk to put on the consent form,” said Hugh Calkins.
****
Results: Thirty-two deaths (0.98 per 1,000 patients) were reported during
45,115 procedures in 32,569 patients. Causes of deaths included
tamponade in 8 patients (1 later than 30 days), stroke in 5
patients (2 later than 30 days), atrioesophageal fistula in
5 patients, and massive pneumonia in 2 patients. Myocardialinfarction, intractable torsades de pointes, septicemia, sudden
respiratory arrest, extrapericardial pulmonary vein (PV) perforation,
occlusion of both lateral PVs, hemothorax, and anaphylaxis werereported to be responsible for 1 death each, while asphyxia
from tracheal compression secondary to subclavian hematoma,
intracranial bleeding, acute respiratory distress syndrome,
and esophageal perforation from an intraoperative transesophageal
echocardiographic probe were causes of 1 late death each…. devastating
complications may occasionally occur, some of them ultimately
leading to death of the patient (
5,7).
Systematic assessment of death rates and precipitating causes is difficult, because
of the rare occurrence of death, making its description anecdotal
in single-center reports (
8–10), and
because of reluctance to publicize this information (7). As a consequence, physicians
performing CA of AF sometimes discuss this complication, but
a clear picture about its incidence in the real-world practice
is lacking.
http://content.onlinejacc.org/cgi/content/full/53/19/1798A
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