The clinical respiratory journal · 2018
Report of 12 cases with tracheobronchial mucormycosis and a review.
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He Ruoxi, Hu Chengping, Tang Yongjun, Yang Huaping, Cao Liming, Niu Ruichao
Аннотация
OBJECTIVES: Tracheobronchial mucormycosis is a rare and invasive pulmonary mucormycosis involving the tracheobronchial tree.
DATA SOURCE: At a 3500-bed tertiary care center.
STUDY SELECTION: This was a retroactive study of 12 cases of tracheobronchial mucormycosis diagnosed in our hospital, and 48 cases that were previously reported in the English literature.
RESULTS: Rhizopus was the predominant species of pathogen (66.7%). Primary bronchus was the most frequently involved location (38.2%), and upper lobes (51% of cases) were a predilection. Obstructive necrosis and mucosal necrosis were the most common pathological forms (40% and 34.5%, respectively). Fever (59.3%), cough (59.3%), dyspnea (40.7%) and hemoptysis (30.5%) were the most common symptoms. 51.4% patients had rales, 40% had moist rales and 28.6% had negative physical findings. Ninety-five percent patients had immunosuppressive diseases. Diabetes mellitus (66.7%), diabetes ketoacidosis (21.7%), corticosteroid therapy (20%) and kidney insufficiency (18.3%) were the most common predisposing factors. 13.2% had neutropenia which was mostly among the non-diabetic patients (P = .006). Endobronchial lesion of 23.2% had imaging reports with 33.9% exhibiting single mass. Pathological diagnosis of 76.7% used the transbronchial biopsy. The most frequent antifungal therapies were intravenous amphotericin B (79.7%), surgery (33.3%) and surgery combined with amphotericin B therapy (28.3%). Overall in-hospital mortality was 52.5%, with hemoptysis (P = .017), dyspnea at presentation (P = .022) and angioinvasion (P = .03) as independent risk prognostic factors. In contrast, surgery (P = .003) was an independent protection prognostic factor.
CONCLUSIONS: Tracheobronchial mucormycosis is a rare but severe disease with high mortality because of its nonspecific clinical presentations and variable predisposing factors.
DATA SOURCE: At a 3500-bed tertiary care center.
STUDY SELECTION: This was a retroactive study of 12 cases of tracheobronchial mucormycosis diagnosed in our hospital, and 48 cases that were previously reported in the English literature.
RESULTS: Rhizopus was the predominant species of pathogen (66.7%). Primary bronchus was the most frequently involved location (38.2%), and upper lobes (51% of cases) were a predilection. Obstructive necrosis and mucosal necrosis were the most common pathological forms (40% and 34.5%, respectively). Fever (59.3%), cough (59.3%), dyspnea (40.7%) and hemoptysis (30.5%) were the most common symptoms. 51.4% patients had rales, 40% had moist rales and 28.6% had negative physical findings. Ninety-five percent patients had immunosuppressive diseases. Diabetes mellitus (66.7%), diabetes ketoacidosis (21.7%), corticosteroid therapy (20%) and kidney insufficiency (18.3%) were the most common predisposing factors. 13.2% had neutropenia which was mostly among the non-diabetic patients (P = .006). Endobronchial lesion of 23.2% had imaging reports with 33.9% exhibiting single mass. Pathological diagnosis of 76.7% used the transbronchial biopsy. The most frequent antifungal therapies were intravenous amphotericin B (79.7%), surgery (33.3%) and surgery combined with amphotericin B therapy (28.3%). Overall in-hospital mortality was 52.5%, with hemoptysis (P = .017), dyspnea at presentation (P = .022) and angioinvasion (P = .03) as independent risk prognostic factors. In contrast, surgery (P = .003) was an independent protection prognostic factor.
CONCLUSIONS: Tracheobronchial mucormycosis is a rare but severe disease with high mortality because of its nonspecific clinical presentations and variable predisposing factors.