OVERVIEW
Overview of Alveolar Hemorrhage Syndrome
Alveolar hemorrhagic syndrome is a group of disorders that are commonly characterized by intra-alveolar hemorrhage, which occurs in a range of disease processes and is often a serious life-threatening complication in which blood collects in the lung parenchyma, and can present as dyspnea and hemoptysis.
Whether medical insurance
Yes
Department
Respiratory Medicine, Rheumatology and Immunology
Clinical symptoms
Cough, dyspnea, hemoptysis, etc.
Hazard
Rapid onset of disease, may progress rapidly to extensive internal hemorrhage, respiratory failure, life-threatening.
Examination
Blood routine, bronchoalveolar lavage fluid examination, X-ray film, CT, etc.
Diagnosis
Diagnosis is made based on medical history, hemoptysis, dyspnea and other manifestations, combined with imaging tests.
Treatment principle
Active treatment of primary disease and symptomatic supportive therapy.
Curability
Aggressive treatment can improve the symptoms.
Dietary advice
Supplement nutrition and adjust diet according to the primary disease.
Questions you may be concerned about
What is alveolar hemorrhage syndrome?
Alveolar hemorrhage syndrome is a life-threatening clinical syndrome. It occurs most often in a series of disease processes in which blood from the pulmonary microvessels enters the alveoli in response to different etiologic factors. When blood collects in the lung parenchyma, dyspnea and hemoptysis may occur, and X-ray chest radiographs show bilateral diffuse alveolar infiltrates.
The etiology of alveolar hemorrhage is extensive and includes systemic autoimmune diseases, anti-neutrophil plasma antibodies, anti-glomerular basement membrane antibody-associated diseases, mitral stenosis, infections, drug toxicity or allergy, and inhalation of toxins.
The vast majority of patients with alveolar hemorrhagic syndrome have an acute onset, with hemoptysis and dyspnea as the most prominent symptoms. Chest radiographs show bilateral diffuse alveolar infiltrates. Hemoptysis is usually, but not always, associated with massive hemoptysis. In some patients, severe and life-threatening intrapulmonary hemorrhage occurs directly without hemoptysis.
If alveolar hemorrhagic syndrome is suspected or if the symptoms described above are present, it is recommended that the patient be seen immediately for a definitive diagnosis and aggressive treatment of the underlying condition.
Causes
Causes
There is a wide range of causes, mostly due to autoimmune diseases.
Symptoms and Diagnosis
Typical symptoms
Most of them start rapidly and progress rapidly. The main manifestations are cough, dyspnea, hemoptysis, etc. Severe chest tightness, which may be accompanied by dry cough, irritability, cyanosis, open-mouth respiration and chest pain.
Diagnostic basis
1. history of autoimmune disease.2. main manifestations are cough, dyspnea, hemoptysis, etc.3. routine blood test shows anemia.4. chest X-ray shows diffuse or focal patchy alveolar infiltration, which is recurrent in different areas.5. CT examination shows solid lung lesions, which may develop into chronic interstitial infiltration.6. bronchoalveolar lavage fluid has a large number of red blood cells and ferritin-containing macrophages. 7. Immunologic tests may help in the diagnosis of the primary disease.
Treatment
Treatment guidelines
Aggressive treatment of the primary disease and symptomatic supportive therapy.
Drug therapy
1. For patients with active alveolar hemorrhage, hemostatic drugs should be applied to control the bleeding as soon as possible. 2. Treatment of the primary disease should be active in treating the primary disease, and glucocorticoids and immunosuppressants should be used as the mainstay of treatment for patients with immune factors.
Other treatments
For respiratory failure, adequate oxygen supply should be provided, and mechanical ventilation by tracheal intubation or tracheotomy should be performed if necessary.
Prognosis
Prognosis mainly depends on the primary disease, and active treatment of primary disease can improve the prognosis.
Nursing care
Daily care
1. Environment: Provide patients with a quiet and comfortable environment, keep the indoor air fresh and clean, and pay attention to ventilation. 2. Rest and Exercise: Live a regular life and combine work and rest. If the condition permits, the amount of daily activity can be gradually increased in a planned manner.3. Psychological care to lift concerns, enhance confidence, maintain an optimistic attitude, learn to self-adjustment, to avoid bad moods triggering or aggravating the disease.
Dietary care
Supplementary nutrition, adjust the diet according to the primary disease.