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Psychological and Clinical Factors Mediate Post-COVID-19 Irritable Bowel Syndrome

  • GI-COVID19 study group
  • O.M. Filatov Municipal Clinical Hospital no 15
  • Clinic for Infectious and Tropical Diseases
  • Clinical Center of Serbia
  • Meir Hospital Sapir Medical Center
  • Azienda Ospedaliero-Universitaria di Bologna
  • S. Orsola-Malpighi Polyclinic
  • Gastroenterology Department
  • Hospital del Mar
  • Department of Experimental and Clinical Biomedical Science
  • University of Florence
  • Faculty of Medicine
  • Transilvania University of Brasov
  • Clinic of Infectology
  • IRCCS Istituto Clinico Humanitas - Rozzano (Milano)
  • Ariel University
  • Assuta Medical Center
  • University of Bologna
  • University of Rome La Sapienza
  • Moscow Clinical Scientific Center
  • Research Institute of Health Organization and Medical Management
  • Tver State Medical University
  • Russian University of Medicine
  • Grigore T. Popa University of Medicine and Pharmacy
  • Imola Hospital
  • Zagazig University
  • University of Brescia
  • University of Pisa
  • Sheikh Russel National Gastroliver Institute and Hospital
  • Sabadell—CIBEREHD Centro de Investigación Biomédica en Red
  • Vall d’Hebron University Hospital
  • Vall d'Hebron Research Institute
  • CIBER - Center for Biomedical Research Network
  • Ege University
  • Acibadem Mehmet Ali Aydinlar Universitesi
  • University of Health Sciences
  • Eskisehir City Hospital
  • Istanbul University - Cerrahpaşa
  • Kocaeli University
  • Adiyaman Education and Research Hospital
  • Dokuz Eylul University
  • Istanbul Aydin University
  • Darica Farabi Education and Research Hospital
  • Clinic of Gastroenterohepatology
  • Iuliu Hatieganu University of Medicine and Pharmacy
  • University of Modena and Reggio Emilia
  • Sahlgrenska University Hospital
  • Apollo Hospitals Group

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Exposure to COVID-19 has been shown previously to be associated with a higher risk for irritable bowel syndrome (IBS). This study aimed to better explain this relationship using mediation analysis. Methods: This post hoc analysis of a multicenter cohort study includes 623 patients with and without COVID-19 infection. All participants completed the ROME IV criteria, gastrointestinal symptom rating scale (GSRS), and hospital anxiety and depression scale (HADS) over 1 year. Mediation analysis utilized the PROCESS macro and Baron and Kenny's method for parametric and nonparametric mediating variables, respectively. Key Results: The impact of COVID-19 on the development of post-COVID-19 IBS is completely mediated by dyspnea at baseline (adjusted OR = 3.561, p = 0.012), severity of acid regurgitation at 1 month [indirect effect, log-odds metric = 0.090, 95% CI (0.006–0.180)], hunger pains at 1 [indirect effect, log-odds metric = 0.094, 95% CI (0.024–0.178)], and 6 months [indirect effect, log-odds metric = 0.074, 95% CI (0.003–0.150)], depression at 6 [indirect effect, log-odds metric = 0.106, 95% CI (0.009–0.225)] and 12 months [indirect effect, log-odds metric = 0.146, 95% CI (0.016–0.311)] as well as borborygmus [indirect effect, log-odds metric = 0.095, 95% CI (0.009–0.203)], abdominal distention [indirect effect, log-odds metric = 0.162, 95% CI (0.047–0.303)], and increased flatus [indirect effect, log-odds metric = 0.110, 95% CI (0.005–0.234)] at 12 months. Conclusions and Inferences: Our findings provide evidence for psychological and clinical mediators between COVID-19 and post-COVID-19 IBS, which may be promising targets for interventions tailored for treating or preventing depression. The presence of specific GI symptoms at COVID-19 onset and their persistence should increase awareness of a potential new onset of IBS diagnosis.

Original languageEnglish
JournalNeurogastroenterology and Motility
DOIs
Publication statusAccepted/In press - 2025

Keywords

  • COVID-19
  • depression
  • dyspnea
  • gastrointestinal symptoms
  • irritable bowel syndrome
  • mediation analysis

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