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Managing diagnostic procedures in idiopathic pulmonary fibrosis.

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Managing diagnostic procedures in idiopathic pulmonary fibrosis.

Eur Respir Rev. 2013 Jun 1;22(128):158-62

Authors: Wells AU

Abstract
Idiopathic pulmonary fibrosis (IPF), the most prevalent of the idiopathic interstitial pneumonias, is associated with a poor prognosis. An accurate diagnosis of IPF is essential for its optimal management. The 2011 American Thoracic Society (ATS)/European Respiratory Society (ERS)/Japanese Respiratory Society (JRS)/Latin American Thoracic Association (ALAT) recommendations on the diagnosis and management of IPF were developed from a systematic review of the published literature. High-resolution computed tomography (HRCT) scanning has a central role in the IPF diagnostic pathway, with formal designation of criteria for an HRCT pattern of usual interstitial pneumonia. In the correct clinical context, a usual interstitial pneumonia pattern on HRCT is indicative of a definite diagnosis of IPF and negates the need for a surgical lung biopsy. However, although the 2011 ATS/ERS/JRS/ALAT statement is a major advance, the application of the guideline recommendations by clinicians has identified limitations that should be addressed in future statements. Key problems include: 1) HRCT misdiagnosis, particularly by less experienced radiologists; 2) lack of management recommendations for the highly prevalent clinical scenarios of "probable" or "possible" IPF; 3) ongoing confusion concerning the diagnostic role of bronchoalveolar lavage; and 4) the lack of integration of clinical data in the designation of the diagnostic likelihood of IPF, including the treated course of disease. These issues become evident as the recommendations are applied and highlight the need for continued guideline adjustments.

PMID: 23728870 [PubMed - in process]

Pulmonary rehabilitation and non-invasive ventilation before lung surgery in very high-risk patients.

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The benefits of a rehabilitation program before surgical lung cancer resection remain to be defined. The purpose of this prospective observational study was to assess the effects of rehabilitation together with the use of noninvasive ventilation (NIV) in patients who were at a high operative risk.

METHODS: Between January 2010 and June 2011, 20 consecutive patients (16 males, four females, mean age: 66 years [44-79]) with a clinical N0 non-small cell lung cancer were included. Eligibility criteria were predicted post-operative respiratory function (FEV1, VO2 max) below the guideline thresholds for eligibility for surgical resection and/or associated with severe co-morbidities. The protocol included a cardiorespiratory rehabilitation program and 3hours of NIV each day. Functional tests were repeated after 3weeks of therapy.

RESULTS: Participants displayed a significant increase in their FEV1 and VO2 max, which allowed surgical resection to go ahead in all patients (lobectomy, n=15; pneumonectomy, n=3; bilobectomy, n=2). The morbidity rate was 20% (acute renal failure, n=2; pneumonia, n=1; haemothorax, n=1). The mortality rate was 5% (myocardial infarction, n=1). Further postoperative rehabilitation allowed a return at home in 19 patients after a mean hospital stay of 11 days.

CONCLUSION: Pulmonary rehabilitation associated with a period of preoperative NIV allows surgery to be performed in patients who are not initially eligible for resection. An evaluation of long-term outcomes survival in comparison to non-surgical therapies is necessary.

Recommendations on treatment for IPF.

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Patient management in Idiopathic Pulmonary Fibrosis (IPF) is largely based on societal guidelines and recommendations. A recent update by the American Thoracic Society (ATS), European Respiratory Society (ERS), Japanese Respiratory Society (JRS) and Latin American Thoracic Association (ALAT) provided updated guidance on the diagnosis and management of IPF, along with recommendations on pharmacologic and non-pharmacologic approaches to patient management.

The treatment guidance is based on GRADE criteria, which rates the quality of evidence according to previously published methodology. Here we discuss how to interpret the recent guideline updates and the implications of this guidance for clinical practice. In addition we discuss the assessment and recommendations for a number of pharmacological agents that have been the focus of clinical trials over the past years. Although no single pharmacological agent was recommended by the guidelines committee, we discuss how since then, more recent data have resulted in the approval of pirfenidone in Europe, and preliminary negative findings regarding the safety of a triple therapy regimen consisting of prednisone, azathioprine and N-acetylcysteine have raised the question of whether it is no longer a treatment option.

As clinicians, we must interpret the available guidance and recommendations as we consider each individual patient and as we discuss the available clinical data and the patient's own preferences in our approach to the management of this disease.

How practical guidelines can be applied in poor countries? Example of the introduction of a bronchoscopy unit in Cambodia.

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According to UN, Cambodia is one of the poorest countries in the World. Respiratory diseases are current public health priorities. In this context, a new bronchoscopy unit (BSU) was created in the respiratory medicine department of Preah Kossamak hospital (PKH) thanks to a tight cooperation between a French and a Cambodian team. Aim of this study was to describe conditions of introduction of this equipment.

Two guidelines for practice are available. They are respectively edited by the French and British societies of pulmonology. These guidelines were reviewed and compared to the conditions in which BS was introduced in PKH. Each item from guidelines was combined to a categorical value: "applied", "adapted" or "not applied". In 2009, 54 bronchoscopies were performed in PKH, mainly for suspicion of infectious or tumour disease. In total, 52% and 46% of the French and British guideline items respectively were followed in this Cambodian unit. Patient safety items are those highly followed. By contrast "staff safety" items were those weakly applied.

Implementation of EBS in developing countries seems feasible in good conditions of quality and safety for patients. However, some recommendations cannot be applied due to local conditions.

Target volume for postoperative radiotherapy in non-small cell lung cancer: Results from a prospective trial.

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Target volume for postoperative radiotherapy in non-small cell lung cancer: Results from a prospective trial.

Radiother Oncol. 2013 Jun 18;

Authors: Kępka L, Bujko K, Bujko M, Matecka-Nowak M, Salata A, Janowski H, Rogowska D, Cieślak-Żerańska E, Komosińska K, Zawadzka A

Abstract
BACKGROUND AND PURPOSE: A previous prospective trial reported that three-dimensional conformal postoperative radiotherapy (PORT) for pN2 NSCLC patients using a limited clinical target volume (CTV) had a late morbidity rate and pulmonary function that did not differ from those observed in pN1 patients treated with surgery without PORT. The aim of this study was to assess locoregional control and localization of failure in patients treated with PORT.
MATERIALS AND METHODS: The pattern of locoregional failure was evaluated retrospectively in 151 of 171 patients included in the PORT arm. The CTV included the involved lymph node stations and those with a risk of invasion >10%. Competing risk analysis was used to assess the incidence of locoregional failure and its location outside the CTV.
RESULTS: Overall survival at 5years was 27.1% with a median follow-up of 67months for 40 living patients. The 5-year cumulative incidence of locoregional failure was 19.4% (95% CI: 18.2-20.5%) including a failure rate of 2% (95% CI: 0-17%) in locations outside or at the border of the CTV.
CONCLUSIONS: The use of limited CTV was associated with acceptable risk of geographic miss. Overall locoregional control was similar to that reported by other studies using PORT for pN2 patients.

PMID: 23791302 [PubMed - as supplied by publisher]

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