Impact of multidetector CT-angiography on the emergency management of severe hemoptysis
Introduction
Severe haemoptysis is a life-threatening condition inducing mortality in more than 50% of untreated patients [1], [2]. It requires prompt management including localization of the bleeding site, determination of its cause and treatment initiation [2], [3], [4], [5]. As nowadays, bronchial artery embolization (BAE) is recommended as the first-line treatment, identification of the bleeding location and mechanism may avoid embolization of the uninvolved bronchial artery or nonbronchial artery in case of pulmonary involvement [6], [7]. When surgery is considered, location of the bleeding site is crucial. The role of conventional CT-scan in determining the bleeding site location and the cause of haemoptysis has been well demonstrated [8], [9], [10]. However, its impact on the management of severe haemoptysis has only been evaluated in one retrospective study, which suggested that this procedure might influence the treatment choice [11]. Recently, owing to technological advances, multidetector CT-angiography (MDCTA) has been successful in providing a detailed mapping of the thoracic vasculature and the mechanism(s) of haemoptysis, which should be helpful for the management of this disease in emergency setting [12], [13]. However, the impact of this procedure on the management of patients has not been assessed prospectively.
We prospectively evaluated the impact of MDCTA on the management of patients admitted in intensive care unit (ICU) for severe haemoptysis, on identifying lateralization and location of the bleeding site, etiology of the bleeding, and initial (emergency) treatment choice.
Section snippets
Patients and methods
From December 2005 to December 2006, we studied all the patients admitted for severe haemoptysis to the ICU of the haemoptysis referral center of a tertiary hospital (Paris, France). Over the last 15 years, the criteria used to define severe haemoptysis requiring admission in our center were usually: (i) an expectorated amount >100 mL; (ii) a respiratory failure requiring oxygen or mechanical ventilation; (iii) hemodynamic instability (iv) presence of severe comorbidities (e.g. lung cancer,
Population characteristics
During the study period, 100 patients with severe haemoptysis were admitted, of whom 13 were secondarily excluded (bleeding originating from gastrointestinal tract n = 2; MDCTA out of order n = 2; FOB not performed because of poor respiratory state n = 9). Therefore, 87 patients (58 men, 29 women) with a median age of 61 years (47–74 years) were analyzed. Forty-two patients (48.3%) had a prior respiratory condition [tuberculosis n = 17 (20%); bronchiectasis n = 16 (18%); lung cancer n = 5 (6%); mycetoma n =
Discussion
Our prospective evaluation of MDCTA suggests that it is an essential procedure in the emergency management of patients with severe haemoptysis. While MDCTA identifies the bleeding site location with the same accuracy as a bedside evaluation including FOB, it is more effective in identifying the cause and the mechanism of haemoptysis, and therefore modifies the first-line treatment considered after bedside evaluation in a significant proportion of patients. Therefore, the use of MDCTA could
Conclusion
In patients with severe haemoptysis requiring no FOB for airways management, MDCTA should be considered as the first-line procedure considering its sensitivity in identifying the bleeding site and the cause of haemoptysis. Moreover, MDCTA significantly influences treatment choice.
Author's contribution
The study was conceptualised and designed by Ludivine Chalumeau-Lemoine, Antoine Khalil, Marie-France Carette, Muriel Fartoukh and Antoine Parrot. The data were acquired by Ludivine Chalumeau-Lemoine and Hélène Prigent. The data were analysed by Ludivine Chalumeau-Lemoine, Antoine Khalil and Antoine Parrot and interpreted by Ludivine Chalumeau-Lemoine, Antoine Khalil, Marie-France Carette, Muriel Fartoukh and Antoine Parrot. The manuscript was written by Ludivine Chalumeau-Lemoine, Antoine
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2015, Diagnostic and Interventional ImagingCitation Excerpt :In terms of severity, the volume of hemoptysis and respiratory consequences can clinically identify the majority of SH [6]. If the clinical enquiry however is unreliable, MDCTA may again offer assistance [7]. We have shown that the extent of parenchymal involvement on CT correlates with the magnitude of the bleed and with clinical severity.