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10.7759/cureus.13908

http://scihub22266oqcxt.onion/10.7759/cureus.13908
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33880264!8046681!33880264
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suck abstract from ncbi


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pmid33880264      Cureus 2021 ; 13 (3): e13908
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  • Nasopharyngeal Swab for COVID-19 Test Necessitating Mechanical Ventilation and Tracheostomy #MMPMID33880264
  • Khanal R; Oli S; Lawal H; Bhandari B; Komanduri S
  • Cureus 2021[Mar]; 13 (3): e13908 PMID33880264show ga
  • We present the first-ever reported case of massive epistaxis following nasopharyngeal (NP) swabbing requiring intubation and tracheostomy. A 67-year-old male with a mechanical aortic valve on warfarin presented from a nursing home to the emergency department with hypoxia. NP swab for coronavirus disease 2019 (COVID-19) was obtained, immediately followed by significant epistaxis. Patient desaturated to low 80s requiring intubation for airway protection and hypoxemic respiratory failure. Anterior nasal packing was performed. The COVID-19 test resulted negative. Extubation was unsuccessful on days four and nine. The patient subsequently underwent tracheostomy and percutaneous endoscopic gastrostomy (PEG) tube placement. The patient was transferred to sub-acute rehabilitation with a tracheostomy tube on minimal ventilator support. The World Health Organization (WHO) has recommended obtaining an NP swab in COVID-19 suspects to test for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) using reverse transcriptase polymerase chain reaction (PCR).A study found that NP swabbing was associated with epistaxis in approximately 5-10% of the cases. Nursing home populations are at higher risk for COVID-19 and also reported to have increased use of oral anticoagulation for chronic atrial fibrillation with other co-morbidities (high CHADVASc score) which may increase bleeding risk with NP swabbing. Less invasive methods such as salivary and mid-turbinate sampling, nasal swab or saliva can be a better alternative sample for detecting SARS-CoV-2 as recommended by the Centers for Disease Control and Prevention (CDC) and suggested by FDA. Positive PCR testing beyond nine days of illness is likely due to persistent dead virus particles and thus repeat testing is not suggested. Obtaining a history of bleeding diathesis, use of oral anticoagulants and consideration of NP anatomy is advised before swabbing. This case report raises the concern against inadvertent NP swabbing in cases with a low pretest probability of COVID-19 infection with higher bleeding risk.
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