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1.
Eur Rev Med Pharmacol Sci ; 16(2): 183-91, 2012 Feb.
Article in English | MEDLINE | ID: mdl-22428469

ABSTRACT

BACKGROUND AND OBJECTIVES: Chronic Obstructive Pulmonary Disease (COPD) is a slowly progressive airways disorder characterized by not fully reversible airflow obstruction, often presenting exacerbations of respiratory symptoms requiring hospitalization. Non-Invasive Ventilation (NIV) has been shown to be an effective adjunct to standard medical therapy in the treatment of acute respiratory failure. Secondary pulmonary hypertension leads to a rapid progression of the disease. AIM: To evaluate the effect of NIV treatment in patients with acute exacerbation of COPD, with or without respiratory acidosis, and its effect in patients with pulmonary hypertension. PATIENTS AND METHODS: We enrolled 61 consecutive subjects (M 41; F 20) with COPD admitted to our respiratory ward for acute respiratory exacerbation. Patients were divided into two groups on the basis of arterial pH (group A: 26 individuals with pH <7.35; group B: 35 with pH > or =7.35) and treated with optimal medical therapy (oxygen-therapy, systemic corticosteroids, bronchodilators, antibiotics) and NIV. Moreover, we evaluated functional autonomy thought Six Minute Walking Test (6 mWT), and pulmonary arterial pressure (by transthoracic echocardiography). RESULTS: In group A NIV treatment was associated to a total regression of uncompensated respiratory acidosis (pH 7.36 vs. 7.29). In both groups we observed a significant reduction of PaCO2 (group A: 77.14 +/- 10.4 vs. 45.1 +/- 2.8 mmHg; group B: 70.1 vs. 44 +/- 3.9 mmHg) and an improvement in PaO2 (group A: 51.2 +/- 10.3 vs 84.2 mmHg; group B: 59 +/- vs. 87 +/- 3.3 mmHg). Total average duration of NIV administration was longer in Group A than in Group B (81.14 hours vs 55.83 hours). At the end of NIV treatment, we observed improvement in the autonomy of walking (175.1 meters vs 118.4 meters) in both groups. Patients with severe pulmonary hypertension (PASP > or =55 mmHg) showed a lower reduction of PaCO2 (47.8 vs. 43.7 mmHg) and a minor improvement of arterial pH (7.37 vs. 7.41) compared to patients with a lower value of pulmonary hypertension. CONCLUSIONS: In this study we showed that NIV is useful in patients with or without uncompensated respiratory acidosis, through the improvement of symptoms, blood gases parameters, and walking autonomy. Patients with severe pulmonary hypertension are associated with poorer response to NIV treatment.


Subject(s)
Hypercapnia/therapy , Hypertension, Pulmonary/therapy , Pulmonary Disease, Chronic Obstructive/therapy , Respiration, Artificial/methods , Acute Disease , Adult , Aged , Blood Gas Analysis , Carbon Dioxide/blood , Continuous Positive Airway Pressure , Echocardiography , Female , Humans , Hypercapnia/complications , Hypercapnia/physiopathology , Hypertension, Pulmonary/complications , Hypertension, Pulmonary/physiopathology , Male , Middle Aged , Oxygen/blood , Positive-Pressure Respiration , Pulmonary Disease, Chronic Obstructive/complications , Pulmonary Disease, Chronic Obstructive/physiopathology , Walking/physiology
2.
Transplant Proc ; 40(6): 2003-5, 2008.
Article in English | MEDLINE | ID: mdl-18675114

ABSTRACT

Lung transplantation (LT) is the only effective form of therapy for cystic fibrosis (CF) associated with end-stage pulmonary failure. In Italy, the management of CF is regulated by national law, which has instituted regional centers for care and follow-up of all CF patients. LT has been performed since 1992 in only nine LT certified centers. The structured national organization has led to a unified database for LT for CF. As of December 2006, 197 bilateral LT (96 male and 94 female patients; 7 retransplants) have been performed. Of these, four had also liver or heart and liver transplantation, and three are long-term survivors. Overall median survival is 7 years. Mean age at transplantation is 26.5 years, and the mortality on the waiting list is 33.6%. Patients listed for transplant either received a suitable donor within a mean of 10 months or died within a mean of 5.5 months. The most frequent cause of death is bronchiolitis obliterans syndrome (BOS). Our nationwide database indicates the excellent results obtained by LT in FC. Still, mortality on the waiting list remains a challenge and long-term outcome is limited by BOS.


Subject(s)
Cystic Fibrosis/surgery , Lung Transplantation/statistics & numerical data , Bronchiolitis Obliterans/epidemiology , Cystic Fibrosis/complications , Female , Humans , Italy , Male , Postoperative Complications/classification , Postoperative Complications/epidemiology , Reoperation/statistics & numerical data , Respiratory Insufficiency/etiology , Respiratory Insufficiency/surgery , Retrospective Studies , Treatment Outcome
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