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512     PART 4: Pulmonary Disorders


                 should be considered despite the fact that this finding can result from     bronchiectasis),  surgery  is  not  advised.  For patients  with  localized
                 localized bleeding if the blood is extensively aspirated. If uncertainty   disease the decision to operate is based on clinical judgment and indi-
                 remains, bronchoscopy should be performed. Diffuse alveolar hemor-  vidual patient assessment, as there are no randomized trials comparing
                 rhage is suggested by finding an increasing concentration of red blood   the outcomes achieved with surgery versus repeated embolization. The
                 cells in serial samples of bronchoalveolar lavage fluid obtained from a   major indications for surgery are (1) recurrence of bleeding after bron-
                 wedged position.                                      chial  arterial  embolization,  (2)  inability  to  perform  the  embolization
                                                                       because of anatomic problems, and (3) multiple bleeding vessels seen on
                 TREATMENT                                             angiography. Accordingly, with the possible exception of endobronchial
                                                                       carcinomas that require ablation, BAE should be the initial treatment
                     ■  GENERAL MEASURES                               of choice for patients with localized disease who are stable enough to

                 Maintaining adequate oxygenation is the most important initial treatment.   attempt the procedure.
                 Next, underlying coagulopathies should be corrected. The platelet count     ■  DIFFUSE ALVEOLAR HEMORRHAGE
                 should be maintained above 50,000 mm  in an actively bleeding patient.   Diffuse alveolar hemorrhage (DAH) occurs in conjunction with, and
                                              3
                 The platelet dysfunction associated with uremia may be treated with    may be the initial manifestation of, numerous diseases, conditions,
                 dialysis or by administration of cryoprecipitate and desmopressin   and medications (see Table 57-1). Up to one-third of patients with DAH
                 (DDAVP). Additionally, DDAVP and cryoprecipitate are standard treat-  will not have hemoptysis, but many will have other systemic manifesta-
                 ments for bleeding patients with von Willebrand disease and hemophilia A.   tions of a systemic disease (eg, rash, myalgias, arthralgias, or conjunc-
                 Factor VIIa has been shown to be effective as a temporizing measure in   tivitis). Chest roentgenograms generally show diffuse infiltrates, but
                 patients with cystic fibrosis and bronchiectasis (likely due to vitamin K     localized disease may also be seen. DAH occurs in up to 10% of patients
                 and coagulation factor deficiencies in this patient population), but   with  granulomatous  vasculitis (formerly  called  Wegener  granuloma-
                 this intervention has also been associated with pathologic thrombosis   tosis), and in up to 33% of patients with microscopic polyangiitis (all
                 on selected patient populations. In addition, intravenous or topical   of whom will have evidence of glomerulonephritis). DAH is also seen
                 antifibrinolytics have proven beneficial in some case series. Lastly, the   in approximately 5% of patients with systemic lupus erythematosus,
                 prothrombin time and partial thromboplastin time should be corrected   and rarely in conjunction with polymyositis, rheumatoid arthritis, and
                 to near normal. Clotting factor deficiencies are treated with vitamin K,   mixed connective tissue disease. Most patients with Goodpasture syn-
                 or for a more rapid effect, with large volumes of fresh frozen plasma.  drome (which is caused by an antibody to the type 4 collagen found in
                     ■  SPECIFIC INTERVENTIONS                         the basement membranes of alveolar walls and glomeruli) present with


                 A number of modalities may be used to treat life-threatening hemop-  DAH and glomerulonephritis, but up to 10% may have only DAH.
                 tysis including endobronchial treatment techniques, bronchial arterial   Diagnosis of DAH:  The diagnosis of DAH is suggested when patients
                 embolization (BAE), external beam irradiation, and surgical resection.  present with hemoptysis, diffuse pulmonary infiltrates, a falling hema-
                   Endobronchial treatment should begin with serial injection of cold   tocrit, and manifestations of systemic disease. However, in those patients
                 saline lavage to the affected site (50 mL aliquots of normal saline cooled   without hemoptysis or diffuse infiltrates the diagnosis becomes more
                 to 4°C). It may require up to 750 mL for complete effect. If this technique   difficult.  Bronchoalveolar  lavage  showing  progressively  more  blood
                 is  unsuccessful  topical  vasoconstrictive  agents  (epinephrine  1:20,000)   with serial aspiration is considered diagnostic. If DAH is diagnosed
                 are recommended.  Topical antifibrinolytic agents (tranexamic acid) as   and serologic tests described above are nondiagnostic, kidney biopsy or
                               6
                 well as endoscopic instillation of fibrin/thrombin mixtures have been   thoracoscopic lung biopsy is recommended to determine the etiology
                 used successfully in multiple case series, but have not been explored   (Table 57-1). The correct diagnosis is especially important because
                 in controlled clinical studies for this indication. Balloon tamponade is   therapies are often cytotoxic and frequently have long-term side effects.
                 used for stabilization prior to BAE or surgery. A variety of interventional   Furthermore,  treatments  differ  depending  on  the  specific  disease
                 bronchoscopic techniques have been described including laser pho-  diagnosed. For example, plasmapheresis is indicated for Goodpasture
                 tocoagulation, argon plasma coagulation, electrocautery, cryotherapy,   syndrome and ANCA-associated vasculitis, but not for lupus vasculitis.
                 brachytherapy and stent  tamponade,  though these techniques require   Immunofluorescence should be performed on every biopsy sample to
                 special equipment, highly trained bronchoscopists, and they have not   exclude serology-negative Goodpasture syndrome. Despite treatment,
                 been rigorously studied. 6                            over half of patients with DAH resulting from systemic vasculitis or
                   External beam irradiation has been used successfully in a few patients   collagen vascular disease require mechanical ventilation, and mortality
                 with massive hemoptysis resulting from mycetomas and can also be used   ranges from 25% in patients with granulomatous vasculitis to 50% in
                 for patients with unresectable neoplasms if the rate of bleeding is suf-  patients with lupus.
                 ficiently slow that the course of treatment can be completed.
                   BAE is the treatment of choice for most patients with life-threatening
                 hemoptysis resulting from a localized lesion. Though the success rate is
                 >90% in recent studies due to improvement in technique, recurrence   KEY REFERENCES
                 can occur in 10% to 55% of patients,  most commonly in patients with
                                            10
                 mycetoma, bronchogenic carcinoma or cystic fibrosis. A common reason       • Fartoukh M, Khalil A, Louis L, et al. An integrated approach to
                 for rebleeding is incomplete embolization due to pulmonary artery or   diagnosis and management of severe haemoptysis in patients
                 nonbronchial artery contributions. Multidetector row CT scan prior   admitted to the intensive care unit: a case series from a referral
                 to BAE identifies these additional vascular contributions guiding more   centre. Respir Res. 2007;8:11.
                 complete embolization and results in a decrease in rebleeding events.     • Ibrahim WH. Massive haemoptysis: the definition should be
                 Repeat BAE is often safe and effective although recurrence in myceto-  revised. Eur Respir J. 2008;32:1131-1132.
                 mas and carcinomas should prompt a consideration of surgical resection     • Jeudy J, Khan AR, Mohammed TL, et al. ACR Appropriateness
                 if the patient can tolerate the procedure.               Criteria hemoptysis. J Thorac Imaging. 2010;25:W67-W69.
                     ■  SURGICAL VERSUS MEDICAL MANAGEMENT                 • Khalil A, Fartoukh M, Parrot A, Bazelly B, Marsault C, Carette

                 When  hemoptysis  occurs  in  the  setting  of  diffuse  disease  (eg,  cys-  MF. Impact of MDCT angiography on the management of patients
                                                                          with hemoptysis. AJR Am J Roentgenol. 2010;195:772-778.
                 tic fibrosis, extensive pulmonary tuberculosis, or other forms of







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