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Letter
GI symptoms as early signs of COVID-19 in hospitalised Italian patients
  1. Elisabetta Buscarini1,
  2. Guido Manfredi1,
  3. Gianfranco Brambilla1,
  4. Fernanda Menozzi1,
  5. Claudio Londoni1,
  6. Saverio Alicante1,
  7. Elena Iiritano1,
  8. Samanta Romeo1,
  9. Marianna Pedaci1,
  10. Giampaolo Benelli2,
  11. Ciro Canetta3,
  12. Giuseppe La Piana4,
  13. Guido Merli5,
  14. Alessandro Scartabellati6,
  15. Giovanni Viganò7,
  16. Roberto Sfogliarini8,
  17. Giovanni Melilli8,
  18. Roberto Assandri9,
  19. Daniele Cazzato10,
  20. Davide Sebastiano Rossi11,
  21. Susanna Usai11,
  22. Irene Tramacere12,
  23. Germano Pellegata13,
  24. Giuseppe Lauria11,14
  1. 1 Gastroenterology Department, ASST Maggiore Hospital, Crema, Italy
  2. 2 Radiology Department, ASST Maggiore Hospital, Crema, Italy
  3. 3 Emergency Medicine Department, ASST Maggiore Hospital, Crema, Italy
  4. 4 Pneumology 1 Department, ASST Maggiore Hospital, Crema, Italy
  5. 5 Intensive Care Department, ASST Maggiore Hospital, Crema, Italy
  6. 6 Pneumology 2 Department, ASST Maggiore Hospital, Crema, Italy
  7. 7 Emergency Department, ASST Maggiore Hospital, Crema, Italy
  8. 8 Health Directorate, ASST Maggiore Hospital, Crema, Italy
  9. 9 Clinical Investigation Laboratory, ASST Maggiore Hospital, Crema, Italy
  10. 10 Department of Diagnostics and Technology, Fondazione IRCCS Istituto Neurologico "Carlo Besta", Milan, Italy
  11. 11 Department of Clinical Neurosciences, Fondazione IRCCS Istituto Neurologico "Carlo Besta", Milan, Italy
  12. 12 Scientific Directorate, Fondazione IRCCS Istituto Neurologico "Carlo Besta", Milan, Italy
  13. 13 General Directorate, ASST Maggiore Hospital, Crema, Italy
  14. 14 Department of Biomedical and Clinical Sciences “Luigi Sacco”, University of Milan, Milan, Italy
  1. Correspondence to Dr Elisabetta Buscarini, Gastroenterology Department, Maggiore Hospital ASST Crema, Largo Dossena 2, Crema 26013, Italy; elisabetta.buscarini{at}asst-crema.it

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In their recent publication in Gut, Lin et al report 11% of patients infected with SARS-CoV-2 (COVID-19) to present at admission with GI symptoms1; early observations reported that COVID-19 could present with GI symptoms in 3% of patients.2 3 Diarrhoea, nausea, vomiting and/or abdominal pain or discomfort have been described at disease onset or even before respiratory symptoms.4–7

We investigated all consecutive individuals suspected to harbour COVID-19 and admitted at the General Hospital of Crema between 21 February and 13 March 2020 to assess prevalence and features of GI symptoms in COVID-19 patients and their correlation with medical history, disease course and outcome.

All suspected individuals admitted to the hospital underwent a standardised work-up. Based on clinical, laboratory and radiological findings, patients were discharged to quarantine or hospitalised. Demographic data, date of onset and type of symptoms at admission, including GI symptoms (as either nausea, or vomiting or diarrhoea or abdominal pain), and hospitalisation data were recorded. Primary outcomes were: need of continuous positive airway pressure (CPAP) or non-invasive ventilation (NIV), intensive care unit (ICU) admission and death.

Among 411 consecutive COVID-19 patients (with positive RT-PCR), 42 (10.2%, 15 females and 27 males, mean age 68.2±14.2) reported GI symptoms including nausea (18, 4.3%), vomiting (16, 3.8%), diarrhoea (15, 3.6%) or abdominal pain (5, 1.2%). GI symptoms had a mean onset of 4.9±4.4 days (range 1–20) before admission. Absence of cough was reported in 35/42 (83%) patients with GI symptoms compared with 225/369 (61%) patients without GI symptoms (p=0.004), with 15% vs 13% of them, respectively, having negative chest imaging. The frequency of fever was similar (p=0.7) in the two groups. In 5 of 411 patients (1.2%), GI symptoms were neither associated with fever nor cough. GI symptoms did not show any significant correlation with syncope (p=0.3), use of ACE inhibitors (p=0.1), presence of comorbidities (p=0.3) or use of multiple drugs (p=0.7). Of the 42 patients presenting with GI symptoms, 9 (21.4%) required CPAP/NIV, 1 (2.3%) was admitted to ICU and 4 (9.5%) died. Table 1 shows correlation of GI symptoms with outcomes as either CPAP/NIV or ICU admission or death.

Table 1

Correlation of GI symptoms with CPAP/NIV, ICU admission or death

Our finding of 10% of patients confirms that the prevalence of GI symptoms at onset is not negligible.1 4

GI symptoms can herald COVID-19 as they presented on average 4.9 days before admission, with a very wide range with up to 20 days before admission. Our data confirm the importance of including GI symptoms among the spectrum of COVID-19 features, to allow early diagnosis and appropriate treatments even in patients without respiratory symptoms. This could be of particular importance considering the rapid human-to-human transmission among close contacts, which could be related to GI viral infection and potential oral-faecal transmission, possibly persisting even after viral clearance from the respiratory tract.5 6 8–10 In our cohort, GI symptoms did not correlate with fever, syncope, use of ACE inhibitors or multiple drugs, comorbidities. Conversely, we found a strong correlation with the absence of cough: we suggest that, as rate of lung involvement was similar in the two groups, patients with GI involvement might have a more silent lung involvement. Even if a possibly more benign disease course in patients with GI symptoms could be suggested by the trend of ICU admissions and deaths, which was lower compared with patients without GI symptoms at onset, the difference proved non-significant.

GI manifestations of COVID-19 are early, and possibly isolated, signs of the disease. Patient management and isolation policies should be accordingly tailored.

References

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Footnotes

  • Contributors Study concept and design: EB, GL. Study supervisors: RS, GP. Data collection : GMelilli, GBrambilla, FM, CL, RA, MP. Statistical analysis: IT. Analysis and interpretation of data: SA, EI, SR, CC, AS. Drafting the manuscript: EB, GBenelli, GL, GV, GMerli. Critical revision of the manuscript for important intellectual content: DC, DSR, SU . Study submission: GManfredi. All the authors edited the manuscript and approved the final manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

  • Patient consent for publication Not required.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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