Postoperative Nausea and Vomiting: Past, Present, and Future Paul F . White, PhD, MD, FANZCA Department of Anesthesiology & Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas and the Departments of Anesthesia at Policlinico Abano Terme and Parma University in Italy, and Cedars Sinai Medical Center in Los Angeles
Postoperative nausea and vomiting (PONV)
use of longer-acting antiemetics (e.g., transdermal
is a long-standing, multi-factorial problem for
scopolamine, palonosetron) may offer significant
anesthesia practitioners.(1) The incidence of
advantages over the commonly used antiemetics
PONV remains high despite the frequent use of
in preventing PDNV in the post-discharge recovery
prophylactic antiemetics (e.g., 5-HT3 antagonists,
period. In a comparative study involving ondansetron
glucocorticoids, dopamine antagonists), shorter-
and droperidol, transdermal scopolamine was found
acting anesthetics and analgesics (e.g., propofol,
to be as effective as these popular generic antiemetics
desflurane, remifentanil), and less invasive surgical
for prophylaxis in the early postoperative period even
techniques (e.g., laparoscopic procedures). Patient,
when applied 60-90 min prior to the start of surgery.16
anesthetic and surgical factors all contribute
We know from an earlier study by Scuderi et. al.8
to the persistently frequent incidence of emetic
using an aggressive approach involving intravenous
symptoms in the postoperative period.1 With the
anesthesia with propofol and minimal amounts of
increasingly emphasis on earlier mobilization and
short-acting opiod analgesics, no nitrous oxide, no
discharge (“fast-tracking”) after both minor and
neuromuscular blocking or reversal drugs, aggressive
major operations,2 postural hypotension and oral
IV hydration, triple prophylactic antiemetics
opioid containing analgesics are becoming more
(ondansetron, droperidol, and dexamethasone), and
important contributors to PONV and post-discharge
ketorolac for preventative analgesia, can effectively
nausea and vomiting (PDNV). In a recent analysis of
prevent emetic symptoms even after high outpatient
factors influencing postanesthesia recovery, Edler et
al.3 reported that the number of episodes of PONV
Thus, data from the peer-reviewed literature
contributes significantly to prolonging the patient’s
suggest that: (1) the efficacy of prophylactic
antiemetic drug therapy is dependent on the patient’s
Use of antiemetic prophylaxis has been shown to
overall risk of PONV; (2) the cost-benefit ratio for
improve patient satisfaction and speed of recovery
using inexpensive antiemetics (e.g., droperidol,
compared to simply treating the symptoms when
dexamethasone, ondansetron) is significantly lower
they occur in the postoperative period.4–6 Therefore,
than using an expensive NK-1 antagonist (e.g.,
antiemetic drugs are now commonly administered
aprepitant [Amend]) and 5-HT3 antagonists (e.g.,
both at the start and/or the end of surgery to patients
palonosetron [Aloxi]; (3) With the addition of each
considered to be at increased risk of developing
successive therapeutic intervention, the incremental
PONV.7 In fact, combinations of antiemetic drugs are
antiemetic benefit diminishes. Finally, consideration
now routinely administered as part of a multimodal
should be given to routinely using equi-efficacious
strategy for reducing postoperative emetic symptoms
and less costly generic drugs (e.g., droperidol,
in “at risk” patient populations.8-10 Apfel et al.11 have
ondansetron, dexamethasone, transdermal scopola-
developed a simplified scoring system which has
mine) and devices (e.g., acupressure bands) as the first
favorable discriminating and calibrating properties
line of prophylaxis in the ongoing battle to effectively
for predicting an individual patient’s risk for
eliminate PONV. Other important considerations
developing PONV.12 However, the Apfel risk scoring
include the prevention of postoperative pain
system appears to be more predictive of (<24 h)
using non-opioid analgesics an the post-discharge
versus late (24–72 h) emetic symptoms.13 A recent
period, and insuring adequate hydration as part of
publication has also provided preliminary evidence to
a multimodal approach during the perioperative
support the notion that the type of surgical procedure
may also play an important role in determining the
In conclusion, a combined multimodal approach
patient’s overall risk of developing PONV.14
to preventing PONV will not only improve patient
It is obvious from reviewing the literature that
satisfaction with their overall surgical experience, but
PONV has been far better studied than PDNV.15
also lead to a more rapid resumption of their normal
There is a pressing need for additional clinical
activities of daily living in the early postdischarge
studies evaluating the impact of antiemetic therapies
period. Although there are still additional etiologic
on PDNV. Oral opioid-containing analgesics for
factors, as well as prevention and treatment
post operative pain management are a major factor
modalities, which need to be further investigated,18 it
contributing to the occurrence of nausea and
is time for all practitioners to begin routinely utilizing
vomiting following discharge from a hospital or
existing evidence in the peer-reviewed literature for
ambulatory surgery facility. It is possible that the
preventing PONV in their clinical practices. International Anesthesia Research Society. Unauthorized Use Prohibited. REFERENCES 1.
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treatment and prevention. Anesthesiology 1992;77: 162–84
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Surgery Study Group. The expanding role of anesthesiology in fast-
track surgery: from multimodal analgesia to perioperative medical
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fied risk score for predicting postoperative nausea and vomiting:
12. Pierre S, Benais H, Pouymayou J. Apfel’s simplified score may
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13. Ruiz JR, Kee SS, Frenzel JC, Ensor JE, Selvan M, Riedel BJ, Apfel
CC. The Effect of an Anatomically Classified Procedure on Antiemetic
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Sloninsky A, Kapu R, Shah M, Webb T. Transdermal scopolamine:
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18. Glass PSA. Postoperative nausea and vomiting: we don’t know
everything yet. Anesth Analg. 2010 Feb;110(2):299
International Anesthesia Research Society. Unauthorized Use Prohibited.
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