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21KS-035
Pain Manifestations of COVID-19 and Their Association With Mortality: A Multicenter Prospective Observational Study
Jeongsoo Kim1,2, Chang-Soon Lee2,3, Yongjae Yoo2,3, Steven P. Cohen4, Yong Chul Kim2,3, Jee Youn Moon2,3
1Department of Anesthesiology and Pain Medicine, SMG-SNU Boramae Medical Center
2Department of Anesthesiology and Pain Medicine, Seoul National University College of Medicine
3Department of Anesthesiology and Pain Medicine, Seoul National University Hospital
4Department of Anesthesiology and Critical Care Medicine, Johns Hopkins School of Medicine
Objectives: To determine the prevalence and breakdown of pain symptoms among patients with coronavirus disease 2019 (COVID-19) infection admitted for non-pain symptoms and the association between the presence of pain and intensive care unit (ICU) admission and death.

Patients and Methods: In this multicenter prospective study, data on the intensity and type of pain were collected on 169 patients with active severe acute respiratory syndrome coronavirus 2 infection at 2 teaching hospitals in the United States and Korea and on 8 patients with acute pain at another large teaching hospital between February 1, 2020, and June 15, 2020.

Results: Sixty-five of 169 patients (38.5%) reported an active pain condition. Among the 73 patients with pain, the most common pain symptoms were headache (n=22; 30.1%), chest pain (n=17; 23.3%), spinal pain (n=18; 24.7%), myalgia (n=13; 17.8%), abdominal or pelvic pain (n=13; 17.8%), arthralgia (n=11; 15.1%), and generalized pain (n=9; 12.3%). Those reporting headache as their main symptom were less likely to require ICU admission (P=.003). Acetaminophen or nonsteroidal anti-inflammatory drugs were prescribed to 80.8% (n=59), opioids to 17.8% (n=13), adjuvants to 8.2% (n=6), and ketamine to 5.5% (n=4) of patients with pain. When age 65 years and older and sex were controlled for in multivariable analysis, the absence of pain was associated with ICU admission (odds ratio, 2.92; 95% CI, 1.42 to 6.28; P=.004) and death (odds ratio, 3.49; 95% CI, 1.40 to 9.76; P=.01).

Conclusion: Acute pain is common during active COVID-19 infection with the most common manifestations being headache, chest pain and spine pain. Individuals without pain were more likely to require intensive care and expire than those with pain. Reasons why pain may be associated with reduced mortality include that an intense systemic stimulus (eg, respiratory distress)might distract pain perception or that the catecholamine surge associated with severe respiratory distress might attenuate nociceptive signaling.