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Brian P. Jacob, David C. Chen, Bruce Ramshaw, Shirin Towfigh (eds.) - The SAGES Manual of Groin Pain-Springer International Publishing (2016)

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202<br />

B.J. Dunkin<br />

Table 14.2. Common opioids used in the USA.<br />

Opioid<br />

Clinical “strength”<br />

Morphine<br />

Strong<br />

Oxycodone<br />

Strong<br />

Hydromorphone<br />

Strong<br />

Meperidine<br />

Strong<br />

Fentanyl<br />

Strong<br />

Methadone<br />

Strong<br />

Hydrocodone<br />

Weak<br />

Codeine<br />

Weak<br />

Tramadol<br />

Weak<br />

few common opioids used in the USA for surgical pain. It should be<br />

noted that the most common weak opioid prescribed in the USA is<br />

hydrocodone, which is available only in formulations that combine it<br />

with APAP. This must be kept in mind when using IV or oral APAP as<br />

part <strong>of</strong> a multimodal pain management strategy in order to avoid APAP<br />

overdose.<br />

Ketamine<br />

Ketamine is a nonopioid, centrally acting dissociative anesthetic.<br />

At subanesthetic doses, it provides rapid and highly potent analgesia<br />

without many <strong>of</strong> the adverse effects observed with opioids. It binds<br />

to and antagonizes the NMDA receptors in the central nervous system.<br />

Ketamine is particularly useful in opioid-tolerant patients.<br />

However, major complications can be associated with its use, including<br />

hyperdynamic cardiovascular responses and psychomimetic<br />

reactions.<br />

Perioperative <strong>Pain</strong> Management Strategies<br />

<strong>The</strong> choice <strong>of</strong> anesthetic technique as well as preoperative, intraoperative,<br />

and postoperative management <strong>of</strong> medications, affects postoperative<br />

pain. Proper management <strong>of</strong> all three phases <strong>of</strong> the perioperative<br />

experience will lead to a better surgical experience for the patient. <strong>The</strong><br />

following is a summary <strong>of</strong> pain management strategies based on review<br />

<strong>of</strong> the literature by the authors <strong>of</strong> this chapter and by consensus

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