https://idwiki.org/index.php?action=history&feed=atom&title=Trench_foot 2026-04-25T06:56:52Z Revision history for this page on the wiki MediaWiki 1.43.8 https://idwiki.org/index.php?title=Trench_foot&diff=11730&oldid=prev 2026-04-23T13:43:16Z

<p>Created page with &quot;== Background == * Also known as nonfreezing cold injury, sea boot foot, and bridge foot === Pathophysiology === * Not entirely clear * Requires moisture * Possibly related to sustained vasoconstriction with ischemia * Possibly related to reperfusion injury == Clinical Manifestations == * Occurs in people with cold, wet extremities (0 to 8 ºC) lasting at least 1 to 3 days (and as little as 14 hours) * Stage I: cold exposure with loss of sensation ** May have diffic...&quot;</p> <p><b>New page</b></p><div>== Background ==<br /> <br /> * Also known as nonfreezing cold injury, sea boot foot, and bridge foot<br /> <br /> === Pathophysiology ===<br /> <br /> * Not entirely clear<br /> * Requires moisture<br /> * Possibly related to sustained vasoconstriction with ischemia<br /> * Possibly related to reperfusion injury<br /> <br /> == Clinical Manifestations ==<br /> <br /> * Occurs in people with cold, wet extremities (0 to 8 ºC) lasting at least 1 to 3 days (and as little as 14 hours)<br /> * Stage I: cold exposure with loss of sensation<br /> ** May have difficulty walking<br /> ** Limbs often bright red, then becomes pale or white due to vasoconstriction<br /> ** Painless<br /> * Stage II: post-exposure, after rewarming<br /> ** Skin mottles and blue<br /> ** Limbs cold and still numb, may have swelling<br /> ** Lasts hours to days<br /> * Stage III: hyperemic stage<br /> ** Bright red and swollen, though pulses now strong<br /> ** Ongoing delayed capillary refill<br /> ** Numbness resolves but now there is pain and possibly allodynia<br /> ** May have blisters<br /> ** Lasts days or weeks<br /> * Stage IV: post-hyperemic stage<br /> ** Limb returns to normal appearance<br /> ** New cold sensitivity, prolonged even after brief exposure to cold<br /> ** May have syndrome similar to [[complex regional pain syndrome]]<br /> ** Lasts for weeks to years, can be permanent<br /> <br /> == Differential Diagnosis ==<br /> <br /> * [[Frostbite]], characterized by exposure to below-freezing temperatures, though can coexist with trench foot and some of the signs and symptoms can overlap<br /> <br /> == Management ==<br /> <br /> * Rewarming and treatment of [[hypothermia]], if present<br /> * Care is otherwise supportive<br /> * Pain management may include [[amitriptyline]] 50 to 100 mg p.o. QHS or [[gabapentin]]<br /> <br /> == Further Reading ==<br /> <br /> * Nonfreezing Cold Injury (Trench Foot). &#039;&#039;Int J Environ Res Public Health&#039;&#039;. 2021;18(19):10482. doi: [https://doi.org/10.3390/ijerph181910482 10.3390/ijerph181910482]. PMID: [https://pubmed.ncbi.nlm.nih.gov/34639782/ 34639782]; PMCID: [https://pmc.ncbi.nlm.nih.gov/articles/PMC8508462/ PMC8508462].</div>

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