نتایج جستجو برای: airway volume

تعداد نتایج: 390986  

Background Transient tachypnea of the newborn (TTN) is one of the most common neonatal respiratory disease and its symptoms usually begins in the first few hours after birth. The volume of fluid intake according to the neonate's conditions varies. We aimed to compare the restricted fluids volume with standard fluids volume in treatment of neonates with TTN. Materials and Methods: This clinical ...

Journal: :Clinical anatomy 2014
John M Starbuck Michael T Friel Ahmed Ghoneima Roberto L Flores Sunil Tholpady Katherine Kula

Cleft lip and palate (CLP) affects the dentoalveolar and nasolabial facial regions. Internal and external nasal dysmorphology may persist in individuals born with CLP despite surgical interventions. 7-18 year old individuals born with unilateral and bilateral CLP (n = 50) were retrospectively assessed using cone beam computed tomography. Anterior, middle, and posterior nasal airway volumes were...

Journal: :The European respiratory journal 2004
R C Boucher

Although there has been impressive progress in the elucidation of the genetic and molecular basis of cystic fibrosis (CF), the pathogenesis of CF lung disease remains obscure. The elucidation of the pathogenesis of CF lung disease requires both a full description of normal innate airway defence and how absent function of the cystic fibrosis transmembrane regulator protein (CFTR) adversely pertu...

Journal: :The European respiratory journal 2006
I H van Veen P J Sterk R Schot S A Gauw K F Rabe E H Bel

Alveolar nitric oxide (NO) is a measure of peripheral airway inflammation in asthma, potentially associated with disease severity. The relationship between alveolar NO and physiological tests of peripheral airway (dys)function has not been investigated. The present authors hypothesised that peripheral airway inflammation and dysfunction are inter-related and associated with asthma severity. Alv...

2016
Tripti Tikku Rohit Khanna Kiran Sachan Akhil Agarwal Kamna Srivastava Anubha Lal

BACKGROUND Obstructive Sleep Apnea (OSA) is a potentially life-threatening condition in which there is a periodic cessation of breathing (for 10 sec or longer) that occurs during sleep in the presence of inspiratory effort. The aim of the study was to assess volumetric and dimensional differences between OSA patients and normal individuals in the upright posture. MATERIAL AND METHOD The prese...

Journal: :Indian journal of dental research : official publication of Indian Society for Dental Research 2016
Jeenal V Gupta P G Makhija K C Gupta

AIM To find the correlation between nasal airway volume and the craniofacial morphology using cone beam computed tomography (CBCT). MATERIALS AND METHODS This study consisted of preorthodontic anonymized CBCT scans of 34 healthy adults in the age span of 18-28 years. The volume was calculated using Dolphin 3D R software 11.5 version using semiautomatic segmentation method to calculate nasal v...

Journal: :The European respiratory journal 2000
A Corsico R Pellegrino M C Zoia L Barbano V Brusasco I Cerveri

According to a recent hypothesis, airway smooth muscle regulates airway calibre mostly at high lung volume, whereas the mucosa and adventitia dimensions dominate at low lung volumes. It was thought that if inhaled steroids decrease the thickness of airway wall in asthma, then forced vital capacity (FVC), which reflects the functional changes at low lung volume, should decrease less during induc...

Journal: :Brazilian journal of otorhinolaryngology 2017
Marcos Marques Rodrigues Valfrido Antonio Pereira Filho Mário Francisco Real Gabrielli Talles Fernando Medeiros de Oliveira Júlio Américo Pereira Batatinha Luis Augusto Passeri

INTRODUCTION Obstructive sleep apnea occurs by recurrent collapse of the upper airway during sleep, resulting in total (apnea) or partial (hypopnea) reduction of the airflow and has intimate relation with changes in the upper airway. Cone Beam CT allows the analysis of the upper airway and its volume by three-dimensional reconstruction. OBJECTIVE To evaluate a possible correlation between the...

2017
Marte Strømsnes Larssen Kjetil Steine Janne Mykland Hilde Ingunn Skjørten Christian Hodnesdal Knut Liestøl Knut Gjesdal

OBJECTIVE Patients with chronic obstructive pulmonary disease (COPD) often have abnormal ECGs. Our aim was to separate the effects on ECG by airway obstruction, emphysema and right ventricular (RV) afterload in patients with COPD. METHODS A cross-sectional study was performed on 101 patients with COPD without left heart disease and 32 healthy age-matched controls. Body mass index (BMI) was me...

Journal: :The Journal of clinical investigation 1968
R M Rogers A B DuBois W S Blakemore

Airway conductance is known to increase with an increase in the lung volume at which it is measured, owing to a change in transpulmonary pressure and lung tissue tension. We investigated the effect of surgical resection of lung tissue on functional residual capacity and airway conductance in patients with localized lung disease (i.e., carcinoma or tuberculosis) and in patients with lung cysts o...

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