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Impact of extrafine formulations of inhaled corticosteroids/long-acting beta-2 agonist combinations on patient-related outcomes in asthma and COPD.

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Asthma and chronic obstructive pulmonary disease (COPD) are among the most common chronic diseases worldwide, characterized by a condition of variable degree of airway obstruction and chronic airway inflammation. A large body of evidence has demonstrated the importance of small airways as a pharmacological target in these clinical conditions. Despite a deeper understanding of the pathophysiological mechanisms, the epidemiological observations show that a significant proportion of asthmatic and COPD patients have a suboptimal (or lack of) control of their diseases.

Different factors could influence the effectiveness of inhaled treatment in chronic respiratory diseases: patient-related (eg, aging); disease-related (eg, comorbid conditions); and drug-related/formulation-related factors. The presence of multiple illnesses is common in the elderly patient as a result of two processes: the association between age and incidence of degenerative diseases; and the development over time of complications of the existing diseases. In addition, specific comorbidities may contribute to impair the ability to use inhalers, such as devices for efficient drug delivery in the respiratory system. The inability to reach and treat the peripheral airways may contribute to the lack of efficacy of inhaled treatments.

The recent development of inhaled extrafine formulations allows a more uniform distribution of the inhaled treatment throughout the respiratory tree to include the peripheral airways. The beclomethasone/formoterol extrafine formulation is available for the treatment of asthma and COPD. Different biomarkers of peripheral airways are improved by beclomethasone/formoterol extrafine treatment in comparison with equivalent nonextrafine inhaled corticosteroids/long-acting beta-2 agonist (ICS/LABA) combinations. These improvements are associated with improved lung function and clinical outcomes, along with reduced systemic exposure to inhaled corticosteroids.

The increased knowledge in the pathophysiology of the peripheral airways may lead to identify specific phenotypes of obstructive lung diseases that would mostly benefit from the treatments specifically targeting the peripheral airways.

Robotic and video-assisted thoracic surgery lung segmentectomy for malignant and benign lesions†

The experience with robotic techniques (RATS) and video-assisted thoracic surgery (VATS) in pulmonary segmentectomy is still limited. We evaluated our prospectively recorded database to compare two different minimally invasive techniques.

METHODS: Between May 2007 and July 2014, a total of 99 patients underwent RATS (n = 34) and VATS (n = 65) pulmonary segmentectomies at two institutions. The median age of patients was 59 ± 15 (16-84) years, and 61% were male. Seventy-six patients were operated on for malignancy and 23 for benign diseases.

RESULTS: The major morbidity and mortality rates were 24-23% and 0-1.5% for RATS and VATS (P = 0.57) and (P = 0.66), respectively. The mean console time for RATS was longer than the mean operation time for VATS [76 ± 23 (40-150) vs 65 ± 22 (30-120) min (P = 0.018)]. The mean duration of drainage was similar for RATS and VATS [3.53 ± 2.3 (1-10) days vs 3.98 ± 3.6 (1-21) (P = 0.90)], respectively. The duration of postoperative stay for RATS was 4.65 ± 1.94 (2-10) days and for VATS was 6.16 ± 4.7 (2-24) days (P = 0.39).

CONCLUSIONS: Both RATS and VATS pulmonary segmentectomy operations are performed with similar morbidity and mortality rates. Although the duration of operation is longer in RATS when compared with an established VATS programme, there is a tendency towards a shorter postoperative stay.

PMID: 25476458 [PubMed - as supplied by publisher]

Non-invasive mechanical ventilation in patients with diffuse interstitial lung diseases.

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BACKGROUND: To evaluate noninvasive ventilation (NIV) in diffuse interstitial lung diseases (DILD) patients with acute respiratory failure (ARF) according to baseline radiological patterns and the etiology of ARF.

METHODS: In a multicenter, observational, retrospective study, consecutive DILD patients undergoing NIV because of an episode of ARF were evaluated in six Italian high dependency units. Three groups of patients were identified based on the etiology of ARF: those with pneumonia (Group A), those with acute exacerbation of fibrosis, (Group B) and those with other triggers (Group C). Clinical failure was defined as any among in-hospital mortality, endotracheal intubation and extra-corporeal membrane oxygenation use.

RESULTS: Among the 60 patients enrolled (63% males; median age: 71 years), pneumonia (42%) and acute exacerbation of fibrosis (39%) were the two most frequent causes of ARF. A significant increase of PaO2/FiO2 ratio during NIV treatment was detected in Group A (p = 0.010), but not in Group B. No significant difference in PaO2/FiO2 ratio, PaCO2 and pH values during NIV treatment was detected in patients with a radiological pattern of usual interstitial pneumonia (UIP) and non-specific interstitial pneumonia (NSIP). 22 patients (37%) suffered for a clinical failure. No significant differences in the study outcome were detected in Group A vs. Group B, as well as among patients with a radiological pattern of UIP vs. NSIP.

CONCLUSIONS: NIV treatment should be individualized in DILD patients with ARF according to the etiology, but not the baseline radiological pattern, in order to improve oxygenation.

Vitamin d levels in children with bronchial asthma.

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Bronchial Asthma is a common chronic inflammatory disorder of the airways in childhood. Vitamin-D, required for bone mineralization, is also a potent immune system regulator having a potential role in various allergic diseases. This study was undertaken to determine the difference in serum levels of Vitamin-D in asthmatic children and to determine the association between vitamin-D and asthma in children.

MATERIALS AND METHODS: This cross-sectional study included 88 (44 asthmatic children and 44 healthy controls) children aged between 5 and 13 y. Serum 25-hydroxy vitamin-D levels were determined and compared between the two groups. The association between vitamin-D levels and lung function was studied in the asthmatic children.
RESULTS: Serum vitamin-D level was significantly lower in asthmatic children than in control group and in the asthmatic group, vitamin-D levels had a significant positive correlation with FEV1% and FEV1/FVC%.
CONCLUSION: Vitamin-D deficiency is highly prevalent in asthmatic children and is associated with airway limitation.

Guidelines for the Diagnosis and Monitoring of Silicosis.

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Silicosis is one of the occupational respiratory diseases most commonly encountered in our setting. It is caused by inhalation of crystalline silica that triggers a fibrotic response in the lung parenchyma. It presents as diffuse interstitial disease and clinical expression ranges from asymptomatic forms to chronic respiratory failure. Diagnosis is based on clinical history and radiological findings. There is no effective treatment, and once diagnosed, the patient must avoid all sources of occupational exposure.

In these guidelines, the clinical, radiological and functional aspects of silicosis are reviewed, and strategies for diagnosis, monitoring and classification of patients are proposed, along with recommendations regarding the occupational implications of this disease.

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