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P ATIENTS AFETY A RNOLD A. ZEAL, M D<br />

Error Results in Doctor’s Paradigm Shift<br />

Protocols, Team Approach and Site Marking Increase Patient Safety<br />

As a board-certified neurosurgeon in<br />

practice for nearly 30 years, I have<br />

served as chair <strong>of</strong> the neurosurgery<br />

section at a major medical center<br />

and as vice chair <strong>of</strong> the entire surgery<br />

department for a number <strong>of</strong> years. As vice<br />

chair <strong>of</strong> the surgery department, I was also<br />

chair <strong>of</strong> the department’s Quality Assurance<br />

Committee, and I additionally served<br />

as a sitting member <strong>of</strong> that committee for<br />

eight years.<br />

During my tenure in these positions, I<br />

was faced with several instances <strong>of</strong> medical<br />

errors involving colleagues, including<br />

wrong-site surgery. I listened to surgeons<br />

describe how their errors occurred and<br />

always found myself very unsympathetic. I<br />

could not imagine how conscientious surgeons<br />

could make such errors and could<br />

not, in my wildest dreams, imagine it happening<br />

to me. I am one <strong>of</strong> those compulsive<br />

surgeons who checks, double-checks, and<br />

even sometimes triple-checks things during<br />

surgery to the extent that my partner and<br />

operating room staff <strong>of</strong>ten tease me about<br />

being so obsessive-compulsive.<br />

Then it happened to me. I learned that<br />

we all make mistakes. It is easy. We are<br />

human. In fact, when I was forced to<br />

re<strong>view</strong> the literature to produce a lecture<br />

on this topic, I discovered that the numbers<br />

<strong>of</strong> medical errors and wrong-site<br />

surgeries and the injuries they cause are<br />

unbelievable.<br />

I became a convert, and in 2003 I was<br />

one <strong>of</strong> the surgeons and other health pr<strong>of</strong>essionals<br />

and organizations standing with<br />

the Joint Commission on Accreditation <strong>of</strong><br />

Healthcare Organizations strongly advocating<br />

and promoting the Universal Protocol<br />

for Preventing Wrong Site, Wrong Procedure,<br />

Wrong Person Surgery. The following<br />

account describes how I came to be there<br />

and what I learned along the way.<br />

Anatomy <strong>of</strong> a Medical Mistake<br />

In December 2000, a former partner <strong>of</strong><br />

mine referred his best friend to me for<br />

treatment <strong>of</strong> an L3–4 disc herniation. The<br />

patient, an internist, was well known to me.<br />

Examination revealed a mild right footdrop.<br />

A magnetic resonance image demonstrated<br />

a moderately large, very central<br />

herniated nucleus pulposus at L3–4, plus a<br />

very small extruded fragment on the right.<br />

The patient was scheduled for surgery a few<br />

days later, on a Monday.<br />

The weekend before the surgery was<br />

particularly memorable for me, with several<br />

exciting events transpiring. When I came<br />

to the OR, I enjoyed telling everyone the<br />

weekend’s exciting details during the case.<br />

In addition, to accommodate the patient, I<br />

had elected to perform the surgery in the<br />

hospital where he practices, an excellent<br />

institution where I rarely perform elective<br />

surgery, although I do assist my colleagues<br />

in covering this facility. At my usual hospital,<br />

the rooms are rectangular and the<br />

operating table is always set up parallel to<br />

the long axis <strong>of</strong> the room in a grid-like<br />

fashion, whereas in this hospital, the operating<br />

table is frequently on a diagonal.<br />

My usual routine<br />

is to scrub my hands,<br />

enter the room,<br />

check the X-rays and<br />

magnetic resonance<br />

images, then go to<br />

the side <strong>of</strong> the patient<br />

on which I intend to<br />

operate and finish<br />

prepping the skin<br />

with the antiseptic.<br />

At this hospital, the<br />

doctors are not permitted<br />

to prep the<br />

skin, so I had to<br />

enter, mark the site<br />

and help drape from the most accessible<br />

side <strong>of</strong> the patient. Aside from having a<br />

minimal acquaintance with the anesthesiologist,<br />

I knew no one else in the room, and<br />

as the case proceeded, I realized they also<br />

were inexperienced regarding my particular<br />

techniques.<br />

I started the case standing on the<br />

patient’s left side because, as I entered the<br />

room with the table somewhat askew, I<br />

stood there to help drape. I took an X-ray<br />

to confirm my level, L3–4, as I exposed the<br />

lamina. I then proceeded with the laminotomy.<br />

I was easily able to identify a large<br />

central disc herniation, but no free fragment.<br />

A second X-ray was taken to confirm<br />

the level, and then I extended the small<br />

laminotomy cranially and caudally looking<br />

for the free fragment. A third X-ray confirmed<br />

that I was at the L3–4 level as<br />

intended. Eventually I incised into the large<br />

herniated disc and performed a discectomy.<br />

The small extruded fragment was not<br />

located, but I had long since learned that<br />

sometimes findings are not exactly as<br />

expected. I did detect and remove a large<br />

herniation, decompressing the thecal sac<br />

and nerve roots.<br />

28 AANS Bulletin • www.AANS.org

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