The precise parts of fiberoptic bronchoscopy (FOB) and comput tomography (CT) of the chest in the evaluation of patients presenting with hemoptysis have not been clearly defined.

The precise parts of fiberoptic bronchoscopy (FOB) and comput tomography (CT) of the chest in the evaluation of patients presenting with hemoptysis have not been clearly defined. in succession the assumption that both actions would likely provide unique and complementary information, a prospective cogitation with blinded interpreters using a modified high-resolution CT technique (HRCT) and watch-pocket was designed to evaluate 57 consecutive patients admitted to Bellevue Hospital with hemoptysis. Etiologies included bronchiectasis (25 percent) tuberculosis (16 percent) lung cancer (12 percent) aspergilloma (12 percent) and bronchitis (5 percent): in an additional 5 percent of cases, hemoptysis prov to be befitting miscellaneous causes, while in 19 percent hemoptysis prov to be cryptogenic. Patients with lung cancer all were at least 50 years olden smoked an average of 78 pack-years, and had les morose hemoptysis but of longer duration. All had conditions diagnosed the two by HRCT and FOB. High-resolution CT prov of particular value in diagnosing bronchiectasis and aspergillomas, while watch-pocket was diagnostic of bronchitis and mucosal lesions like as Kaposi's sarcoma. Fiberoptic bronchoscopy localized bleeding in simply 51 percent of cases. The high sensitivity of CT in identifying the two the intraluminal and extraluminal expansion of central lung cancers in conjunction with its value in diagnosing bronchiectasis remind of that CT should be obtained prior to bronchoscopy in all patients presenting with hemoptysis.

The etiology of hemoptysis is often elusive, remaining undiagnosed in approximately 50 percent of cases. As a deduction consensus is lacking concerning optimal diagnostic evaluation of these patients. A major vexed question is the wide spectrum of etiologies that may proceed in hemoptysis,[1-12] as well as significant variations in their reported prevalence.

Although new attention has focused on the potential character of computed tomography (CT), definitive indications for the use of CT have notwithstanding to be established. This is despite the well-established superiority of CT compared with routine chest radiography in the detection the pair of central and peripheral airway disease.[13-21]

The view of this study is to prospectively evaluate the contribution of a modified high-resolution CT technique (HRCT) compared with as well-as; not only-but also; not only-but; not alone-but routine chest radiography and fiberoptic bronchoscopy (FOB) in the evaluation of patients presenting with hemoptysis in a large inner-city, acute-care hospital.

MATERIALS AND METHODS

We prospectively evaluated 57 consecutive patients presenting with hemoptysis from July 1991 from one side April 1992. All patients were evaluated with chest radiographs, CT and watch-pocket There were 47 male and 10 female patients ranging in age from 26 to 74 years (average age, 59 years).

In each case, findings were correlated with the two the amount and duration of hemoptysis. Patients were exclud barely if they presented with massive hemoptysis or were known to have sputum smears or improvements positive for multidrug-resistant tuberculosis.

All patients underwent watch-pocket within 48 h of active bleeding. Fiberoptic bronchoscopy was exclusively performed by way of two pulmonologists (J. R. B and T J H) the same of whom was blinded to clinical and imaging data until the endobronchial examination was performed and recorded. The HRCT terminates were revealed only following preliminary watch-pocket examination. Bronchoalveolar lavage samples were obtained for acid-fast bacilli (AFB), fungal, and cytologic studies in all cases. Transbronchial and/or endobronchial biopsies were performed as indicated. Sputum samples were evaluated for the carriage of AFB, bacteria, and fungi.

Admission chest radiographs, usually obtained within 48 h of the CT examination, were available for review in all cases. These were interpreted separately by dint of the same two chest radiologists (G M and D P N) blinded to all clinical and imaging data, including CT issues For purposes of review, chest radiographs were subdivided into three general categories: (1) normal, (2) abnormal, localizin, or (3) abnormal, nonlocalizing. Parenchymal abnormalities were considered localizing if findings were restricted to the same lobe, with or without associated ipsilateral hilar or mediastinal abnormality. Parenchymal abnormalities were considered nonlocalizing if the findings prov to be multilobar. Unilateral hilar and/or solitary mediastinal abnormalities also were considered localizing.

Comput tomographic scans were obtained within 48 h of watch-pocket in all cases using a scanner (GT 9800 Advantage Scanner, GE Medical plans Milwaukee). All scans were obtained using a modified HRCT protocol[1]: 15-mm axial sections obtained each 10 mm from the thoracic inlet to the carina, followed first by the agency of 5-mm sections every 5 mm between the walls of the central airways (to the flat of the inferior pulmonary veins), and then from 1.5-mm sections every 10 mm between the walls of the lung bases, prospectively rebuilded with a high-spatial frequency (bone) algorithm. Intravenous contrast was administered simply as needed to assess equivocal mediastinal and/or hilar abnormality. In a manner analogous to chest radiographic interpretations, scans were analyzed at two chest radiologists (D. P N and G M) blinded to all clinical and historic data. To establish the efficacy of 5-mm sections for evaluating the central airways, in each case an attempt was made to identify all lobar and segmental bronchi: these subsequently were recorded either as normal, abnormal, or inadequately visualized presumably owed to technique. Abnormalities involving the couple the central and peripheral airways were evaluated using a previously established CT classification.[15]

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