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respiratory

Constrictive Bronchiolitis (Obliterans)

ICD-10 Code
J44.9_4

Clinical Criteria for Constrictive Bronchiolitis (Obliterans).

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with progressive exertional dyspnea and a chronic, non-productive cough. History significant for [exposure/transplant/infection]. Symptoms are refractory to standard bronchodilator therapy. No reported orthopnea or paroxysmal nocturnal dyspnea.

Clinical Examination Findings

General: Patient appears in no acute distress at rest. Respiratory: Auscultation reveals diminished breath sounds, occasional end-expiratory wheezing, or silent chest. No signs of consolidation. Cardiovascular: Regular rate and rhythm, no murmurs, no peripheral edema. Skin: No cyanosis or clubbing noted.

Treatment Protocol

Initiate trial of high-dose inhaled corticosteroids and long-acting bronchodilators. Consider systemic immunosuppression (e.g., azathioprine, mycophenolate) if inflammatory component is suspected. Pulmonary rehabilitation referral. Monitor FEV1/FVC ratio via serial spirometry.

Detailed clinical guide coming soon.