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. 2024 Feb 29;37(3):doad068.
doi: 10.1093/dote/doad068.

Management and outcomes in a consecutive series of patients with aero-digestive fistula at a tertiary gastro-esophageal surgery center

Fahad Murad  1 , Fredrik Klevebro  1 , Gert Henriksson  2 , Ioannis Rouvelas  1 , Mats Lindblad  1 , Magnus Nilsson  1
Affiliations

Management and outcomes in a consecutive series of patients with aero-digestive fistula at a tertiary gastro-esophageal surgery center

Fahad Murad et al. Dis Esophagus. .

Abstract

Aerodigestive fistula (ADF) is defined as a pathological connection between the upper digestive tract and the airway. ADF is associated with high morbidity and mortality and management is often complex. A cohort study including all patients admitted with ADF 2004-2022 at a single tertiary esophageal surgery center was performed based on prospectively collected administrative data and retrospectively collected electronic patient chart data,. Patient demographics, performance status, comorbidity, fistula characteristics, management, and outcomes in terms of morbidity and mortality were assessed in patients with ADF of three distinct types: (i) tumor overgrowth-related, (ii) various benign etiologies, and (iii) post-esophagectomy. Sixty-one patients with ADF were included in the study, 33 (54.1%) tumor overgrowth-related, six (9.8%) benign and 22 (36.1%) post-esophagectomy. In the post-esophagectomy group 15 out of 22 (68.2%) patients were diagnosed with anastomotic leakage prior to ADF diagnosis. Self-expandable metallic stents (SEMS) were used for temporary fistula sealing in 59 out of 61 (96.7%) patients, of which most received stents in both the digestive tract and airway. Temporary fistula sealing with stents was successful enabling discharge from hospital in 47 out of 59 (79.7%) patients. Definitive ADF repair was performed in 16 (26.2%) patients, of which one (6.3%) died within 90-days and 15 could be discharged home with permanently sealed fistulas. ADF is a complex condition associated with high mortality, which often requires multiple advanced interventions. SEMS can be applied in the airway and simultaneously in the digestive tract to temporarily seal the ADF as bridge to definitive surgical repair.

Keywords: aero-digestive fistula; covered metal stent; definitive surgical repair; latissimus dorsi muscle-flap.

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Figures

Fig. 1
Fig. 1
Flow chart describing the inclusion of patients in the study.
Fig. 2
Fig. 2
Overall survival in the whole study cohort.
Fig. 3
Fig. 3
Survival stratified by aero-digestive fistula etiology.
See this image and copyright information in PMC

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