The study carried out pulmonary ventilation functions of 81 professional wrestlers, swimmers, and athletics in Hai Phong by using auto Spiroanalyser - ST 250 from FUKUDA SANGYO of Japan to measure objects in standing position after 15 – 30 minutes of pause. Pulmonary ventilation functions such as VC, FVC and FEV 1% T of wrestles, swimmers and athletics were considerable higher than those of controls. Their PEF, MVV and FV were much higher than those of controls. There was a fast increase of VC, FVC, FEV 1, PEF, MVV and FV after 12 months of training compared with the control group
pulmonary ventilation function

Aged ; Anthracosis ; physiopathology ; Humans ; Lung ; physiopathology ; Male ; Middle Aged ; Pulmonary Ventilation ; Respiratory Function Tests

This paper presents a new gas flow measurement system, which works by calorimetric sensors and DSP wavelet transform signal processing. The system is achieved by specific hardware including flow sensors, voltage amplifier, A/D converter, DSP, heat control circuits as well as supporting software and algorithm. The main advantages of the scheme include its high precision, stable performance and high noise rejection. It can be applied to especially under small tidal volume and low-flow conditions.
Equipment Design ; Pulmonary Ventilation ; Respiratory Function Tests ; instrumentation ; Rheology ; Wavelet Analysis

OBJECTIVETo study the value of clinical application and distribution character of regional pulmonary ventilation of patients with various type of pneumoconiosis.

METHODS132 patients with various type of pneumoconiosis were observed by electric impedance pneumograph(EIPV) and routine lung function test. The results were compared with the measured value of 100 healthy cases.

RESULTSThe regional pulmonary ventilation of the three kinds of pneumoconiosis(founder's pneumoconiosis, silicosis and asbestosis) was increased in both side of upper pulmonary region and decreased in both of lower pulmonary region. The ventilation distribution showed that the right pulmonary ventilation increased predominantly, accounted for 53.03% (70/132) of total lung ventilation. There was significant difference(P < 0.01) compared with the normal healthy men's EIPV, but no difference(P > 0.05) among various type of pneumoconiosis. There was also no difference(P > 0.05) between pneumoconiosis patients with normal ventilation function and various type of ventilation obstacle of pneumoconiosis. One silicosis patient complicated by atelectasis of the left upper lobe, another silicosis patient complicated by lung cancer and their EIPV accorded with their chest X-rays.

CONCLUSIONEIPV could not be measured by routine lung function test. It may be the supplement to latter parameter and as a substitute for radio imaging of pulmonary ventilation in pneumoconiosis complicated by other regional pulmonary disorder.

Electric Impedance ; Humans ; Pneumoconiosis ; diagnosis ; physiopathology ; Pulmonary Ventilation ; Respiratory Function Tests

Noninvasive Ventilation ; Positive-Pressure Respiration ; Pulmonary Heart Disease ; complications ; Silicosis ; physiopathology ; Ventricular Function, Right

Adult ; Humans ; Male ; Middle Aged ; Mining ; Molybdenum ; Pulmonary Ventilation ; physiology ; Radiography, Thoracic ; Respiratory Function Tests ; Silicosis ; diagnostic imaging ; physiopathology

Adult ; Aged ; Aged, 80 and over ; Humans ; Lung ; physiopathology ; Middle Aged ; Pneumoconiosis ; physiopathology ; Pulmonary Ventilation ; physiology ; Respiratory Function Tests

Usually FEV1 lower than 1 liter is considered as a contraindication to pneumonectomy. Therefore sometimes, the curative operations of the resectable lung cancer can not be performed in case of poor pulmonary functions. The usual criteria on the performance of pneumonectomy on high risk patients based on the preoperative assessment of pulmonary function may not predict the operative outcome with accuracy in the postoperative period. Nowadays, there are some arguing points about applying the values of preoperative PFTs to pulmonary resection surgery. We performed a right pneumonectomy for stage IIIb lung cancer in a patient with poor lung function test; FVC 2.17 L, FEV1 0.97 L, FEV1/FVC 44%, FEF 25~75% 0.42 L/sec, MVV 28 L/min, TLC 5.18 L, RV 2.99, DLCO 13.46. After the temporary ligation of right main pulmonary artery during 30 minutes, arterial blood gas and percutaneous oxygen saturation with the controlled ventilation with room air (FiO2=0.21) confirmed the hemodynamic and oxygenation stabilities, twice. After successful surgery, the patient was tolerated for 4 months. And the follow up PFTs at postoperative 3 months and 18 days showed as follows; FVC 1.20 L, FEV1 0.63 L, FEV1/FVC 53%, FEF 25~75% 0.31 L/sec, MVV 25 L/min, TLC 3.80 L, RV 2.33 L, DLCO 8.04. Through the intraoperative re-evaluation of pulmonary function in a patient with poor preoperative PFTs,had been conventionally considered as a contraindication to pneumonectomy, we report a successful surgery and anesthetic management with the literatures reviewed.
Anesthesia ; Follow-Up Studies ; Hemodynamics ; Humans ; Ligation ; Lung Neoplasms* ; Lung* ; Oxygen ; Pneumonectomy* ; Postoperative Period ; Pulmonary Artery ; Respiratory Function Tests* ; Ventilation

OBJECTIVETo investigate the influence of high frequency partial liquid ventilation (HFJV) on the cardiopulmonary function in dogs with inhalation injury.

METHODSSixteen mongrel dogs inflicted by hot steam inhalation were subjected to severe inhalation injury and were randomly divided into control (C) and treatment (T) groups. The dogs in both groups were all given HFJV. In addition, the dogs in T group were simultaneously supplied with perfluorocarbon liquid (3 ml/kg) into the lungs slowly via tracheal intubation for liquid ventilation. The blood gas analysis, pulmonary compliance, airway resistance and hemodynamic parameters were determined at 30, 60 and 90 minutes after ventilation.

RESULTSThe PaO(2) in T group increased progressively, which was significantly higher than the post-injury value at all time points (P < 0.05). While the PaO(2) in C group exhibited no difference to the post-injury value at all time points. The PaCO(2) in T group increased obviously and was higher than the post-injury value at 60 and 90 post-ventilation minutes (P < 0.05). Furthermore, the PaO(2) in all the time points in T group was a little higher than that in C group (P > 0.05) and PaCO(2) in T group was much higher than that in C group at 90 min after ventilation (P < 0.05). But there was no difference between the two groups in terms of dynamic/static pulmonary compliance and airway resistance as well as the hemodynamics.

CONCLUSIONCompared with simple HFJV, high frequency partial liquid ventilation seemed to be beneficial to the oxygenation after inhalation injury and to be no influence on the hemodynamics.

Airway Resistance ; Animals ; Blood Gas Analysis ; Burns, Inhalation ; physiopathology ; therapy ; Dogs ; Female ; High-Frequency Jet Ventilation ; Liquid Ventilation ; Lung Compliance ; Male ; Pulmonary Circulation ; Pulmonary Gas Exchange ; Respiration, Artificial ; methods ; Respiratory Function Tests ; Time Factors

Asthma is a chronic airway inflammatory disease that is characterized by symptoms such as shortness of breath, wheezing, chest tightness, and nighttime or early morning coughing, together with variable expiratory airflow limitation. Asthma is a heterogeneous disease involving various underlying processes that have been described based on causal or exacerbating factors, the pattern of airflow obstruction, severity of disease, pattern of cellular inflammation, and structural changes among patients with asthma. However, there is considerable overlap among these clinical variants, which are not correlated strongly with specific pathological processes or treatment responses. The Global Strategy for Asthma Management and Prevention 2014 (GINNA 2014) emphasizes the importance of confirming the diagnosis to minimize both under- and over-treatment with respect to the heterogeneity of asthma. To assess asthma control, it is necessary to assess not only the symptom control but also the future risks of an adverse outcome. Lung function is the most used indicator of future risk. This article reviews the treatment of adult asthma, including patients already receiving treatment according to GINA 2014 and the Health Insurance Review and Assessment Service.
Adult ; Asthma* ; Cough ; Diagnosis ; Dyspnea ; Humans ; Inflammation ; Insurance, Health ; Lung ; Pathologic Processes ; Population Characteristics ; Pulmonary Ventilation ; Respiratory Function Tests ; Respiratory Sounds ; Thorax