ライフサイエンスコーパス: lung volume

1 t in refining strategies to identify optimal lung volume.

2 mechanical ventilation at low end-expiratory lung volume.

3 arge tidal volumes and normal end-expiratory lung volume.

4 large tidal volume at normal end-expiratory lung volume.

5 rred on restoration of normal end-expiratory lung volume.

6 idal volume (7 mL .kg) at low end-expiratory lung volume.

7 veolar depth, and number of alveoli per unit lung volume.

8 milar over most of the lung, irrespective of lung volume.

9 hest and abdomen to assess global changes in lung volume.

10 sure-volume curve in predicting steady-state lung volume.

11 emodeling as the diaphragm adapts to reduced lung volume.

12 truct an algorithm for calculating predicted lung volume.

13 Oxygenation and end-expiratory lung volume.

14 l muscle activities act to maintain absolute lung volume.

15 ay pressure and a maintained/raised absolute lung volume.

16 moidal function of P(aw) and tau varied with lung volume.

17 servers performed planimetric measurement of lung volume.

18 , unmatched and matched defects by the total lung volume.

19 pinal motor neurons to muscles that regulate lung volume.

20 truction, airway inflammation, and increased lung volumes.

21 o achieve a plateau pressure of 30 cm H(2)O) lung volumes.

22 nd emphysema may have artificially preserved lung volumes.

23 peated, noninvasive measurements of regional lung volumes.

24 ribution of pulmonary perfusion at different lung volumes.

25 Society guidelines using both spirometry and lung volumes.

26 n maps of (1)H signal change between the two lung volumes.

27 tood, but may be related to breathing at low lung volumes.

28 -3 concentrations were associated with lower lung volumes (1.4% decrease in percentage of predicted F

29 expiratory pressure increased end-expiratory lung volume (+119% [p < .001] at 22 mm Hg intra-abdomina

30 ted in 24 healthy never-smokers across three lung volumes (20%, 60%, and 100% VC) on the basis of the

31 ry pressure further increased end-expiratory lung volume (+233% [p < .001] at 22 mm Hg intra-abdomina

32 onstriction produced elevated end-expiratory lung volume (279 +/- 62 ml); in a control study, end-exp

33 recruitment maneuver restored end-expiratory lung volume (30.4 +/- 9.1 mL/kg ideal body weight) and o

34 They were also associated with increases in lung volume (501 +/- 93 mL; P < .001 vs basal value) and

35 ersite agreement showed biases of 612 mL for lung volume, -60.7 mL for ventilation defect volume, 2.9

36 ecruited with a relatively small area (20 mL lung volume, 798 +/- 797 microm2) and progressively incr

37 resistance in extra-alveolar vessels at low lung volumes although other mechanisms have been propose

38 restoration of physiological end-expiratory lung volume and after prolonged mechanical ventilation w

39 ratory capacity, compliance, non-parenchymal lung volume and alveolarization, were increased in both

40 Response variables based on lung volume and anatomic position were assessed with mul

41 A distinct bell-shaped relationship between lung volume and carbon dioxide, minute ventilation, and

42 cluding less inspiratory effort and improved lung volume and compliance.

43 jury progression and improved lung function (lung volume and compliance; P < 0.05 compared with untre

44 examined relationships between steady-state lung volume and cumulative cyclic recruitment/derecruitm

45 In addition, there is a fall in total lung volume and forced expiratory volume at 100 ms.

46 roup failed to increase peak end-inspiratory lung volume and had a significantly smaller increase in

47 Incorporation of lung volume and hemodynamic and oxygenation variables ma

48 is associated with changes in end-expiratory lung volume and increased intrathoracic pressure, eventu

49 tric measure of pulmonary function, reflects lung volume and is used to diagnose and monitor lung dis

50 ere: 1) to describe the relationship between lung volume and lung function parameters during mapping

51 an understanding of the relationship between lung volume and lung mechanics may help clinicians bette

52 ominal hypertension decreased end-expiratory lung volume and PaO2 (-49% [p < .001] and -8% [p < .05],

53 sure significantly increased the end-expired lung volume and PaO2 but impaired ventricular preload an

54 elease phase, which decreases end-expiratory lung volume and potentiates derecruitment).

55 rial burden predicted the rate of decline in lung volume and risk of death and associated independent

56 cted on the basis of expected end-expiratory lung volume and static compliance of the respiratory sys

57 Its expiratory activity seems to preserve lung volume and to protect against lung collapse.

58 h a restrictive pattern, including decreased lung volumes and altered gas exchange.

59 ges were analyzed for total, air, and tissue lung volumes and axial and vertical aeration and perfusi

60 ions in lung physiology, including increased lung volumes and decreased tissue resistance.

61 potassium intakes were associated with lower lung volumes and flows.

62 Endobronchial valve placement can improve lung volumes and gas transfer in patients with chronic o

63 orn and raised at high altitudes have larger lung volumes and greater pulmonary diffusion capacity co

64 zed by interstitial fibrosis with decreasing lung volumes and hypoxemic respiratory failure.

65 Elevated lung volumes and increased pleural pressures associated

66 tory pressure were both necessary to improve lung volumes and the elastic properties of the lungs, le

67 re time product, and we estimated changes in lung volumes and ventilation homogeneity by electrical i

68 ypertension on the chest radiograph, reduced lung volume, and abnormal gas exchange during maximal ex

69 for carbon monoxide (DLCO) and nitric oxide, lung volume, and cardiac output by a rebreathing techniq

70 ratory control, low arousal threshold, small lung volume, and dysfunctional upper airway dilator musc

71 replaced hyperinflated lung, reduced overall lung volume, and improved respiratory function safely an

72 m underwater weighing with measured residual lung volume, and total body water from traditional BIS.

73 spirometry (n = 1,389), skin prick testing, lung volumes, and diffusing capacity measurements.

74 ormat in test-specific units for spirometry, lung volumes, and diffusing capacity that can be assembl

75 Objectives: PFTs (spirometry, lung volumes, and diffusion capacity for carbon monoxide

76 Spirometry, lung volumes, and gas exchange were normal in patients a

77 of between-group differences in spirometry, lung volumes, and left ventricular ejection fraction, pa

78 s IgE, increased respiratory symptoms, lower lung volumes, and worse asthma quality of life.

79 We measured end-expiratory lung volume, arterial oxygen levels, respiratory mechani

80 ique, with all measurements limited to tidal lung volume, as well as using inspiratory rather than ex

81 eflation pressure--volume (PV) curves from a lung volume at 30 cm H(2)O (V(30)) to FRC.

82 ace tension within the alveolus, maintaining lung volume at end expiration.

83 g values for plethysmographic assessments of lung volume at functional residual capacity (FRC) in inf

84 ssociated with a reduction in end-expiratory lung volume at peak exercise from 7.6 (1.6) to 7.2 (1.7)

85 aths and mechanical ventilation at different lung volumes between functional residual capacity (FRC)

86 sure led to a preservation of end-expiratory lung volume, but did not improve arterial oxygen tension

87 h eupneic tidal volume at low end-expiratory lung volume causes plasma membrane disruptions; and 2) t

88 Regional specific lung volume change (sVol), defined as the regional tidal

89 review papers dealing with the mechanism of lung volume change at the alveolar level and the role of

90 2 expirogram were evaluated as predictors of lung volume change.

91 five variables that were most predictive of lung volume change: a) dynamic lung compliance; b) the s

92 erated without complications, and it reduced lung volumes (change in total lung capacity -16%; change

93 We measured lung volume changes (deltaV(L)[t]) via respiratory induc

94 ay allow clinicians to more directly monitor lung volume changes during HFOV and use the lowest possi

95 del, EIT was shown to be capable of tracking lung volume changes during high-frequency oscillatory ve

96 This study shows that cross-sectional lung volume changes measured by electrical impedance tom

97 irth weight 1,027 +/- 514 g), end-expiratory lung volume changes measured by electrical impedance tom

98 y aimed to compare cross-sectional and whole lung volume changes using electrical impedance tomograph

99 End-expiratory lung volume changes were assessed by mapping the inflati

100 Cross-sectional and whole lung volume changes were continuously and simultaneously

101 inflation and ventilation with corresponding lung volume changes, emphasizing the need for tight cont

102 wk), resulting in a significant increase of lung volumes, compliance, and airway resistance.

103 decreases in DL(CO), and to a lesser extent lung volumes, correlated significantly with decreases in

104 dal loops and by computed tomography-derived lung volume data.

105 to 15 cm H2O did not prevent end-expiratory lung volume decline caused by intra-abdominal hypertensi

106 ra-abdominal pressure-induced end-expiratory lung volume decline in healthy lungs.

107 01) to prevent flow limitation, with a final lung volume decrease of 567 +/- 78 ml.

108 Lung weight and fixed lung volume decreased (16% and 14%, respectively) signif

109 e aerosol inhalation, a local anesthetic, on lung volume decrements, rapid shallow breathing, and sub

110 pressure titration increased end-expiratory lung volumes (Delta11 +/- 7 mL/kg; p < 0.01) and oxygena

111 and oxygenation variables may guide optimum lung volume determination during high-frequency ventilat

112 ificant or marginally significant decline in lung volume, diffusing capacity for carbon monoxide, and

113 H, and at 3 and 9 weeks after BLVR, included lung volumes, diffusing capacity (DL(CO)), pressure-volu

114 ffect on pulmonary function (ie, spirometry, lung volumes, diffusion capacity, and oxygen saturation)

115 ation increased by decreasing end-expiratory lung volume during spontaneous breathing.

116 The ability of RIP to detect optimal lung volume during the weaning of mean airway pressure m

117 Previous studies have demonstrated that lung volume during wakefulness influences upper airway s

118 rived thoracic volumes correlated with known lung volumes during supersyringe (r(2) =.78, p <.00001).

119 seases is due to an exaggerated reduction in lung volumes during supine sleep, a compromised physiolo

120 y effort, minute ventilation, end-expiratory lung volume, dynamic compliance, and ventilation homogen

121 la: see text]co2 and its impact on operating lung volumes, dyspnea, and exercise tolerance in these p

122 Selective TGI, while keeping end-expiratory lung volume (EELV) constant, improved Pa(O(2))/FI(O(2))

123 The fraction of the total lung volume encompassed within the GV gaze volume s, the

124 The mean percentage difference for the lung volume estimate derived from the single-breath CO2

125 Static elevations of end-expiratory lung volume evoked by 2 cmH(2)O positive end-expiratory

126 er of published series to improve expiratory lung volumes, exercise capacity, and subjective well bei

127 Spirometry, lung volumes, exhaled nitric oxide levels, and systemic

128 and appeared to reduce emphysema-associated lung volume expansion in mice exposed to cigarette smoke

129 e relative lung volume-that is, the observed lung volume expressed as a percentage of the predicted l

130 volume was calculated as the observed total lung volume expressed as a percentage of the total lung

131 h eupneic tidal volume at low end-expiratory lung volume followed or not by the restoration of physio

132 linear regression (adjusted for pack-years, lung volume), followed by metaanalysis.

133 The ventilation defect to total lung volume fraction ranged from 0.1% to 11.6%.

134 osed individuals with ILA have reductions in lung volume, functional limitations, increased pulmonary

135 oved oxygenation, compliance, end-expiratory lung volume, functional residual capacity, and deadspace

136 Dysanapsis was associated with greater lung volumes (FVC, vital capacity, and total lung capaci

137 but statistically significant reductions in lung volume growth in children of elementary-school age.

138 demonstrate that relatively small changes in lung volume have an important effect on the upper airway

139 Regional differences in lung volume have been described in adults with acute res

140 espiratory inductive plethysmography-derived lung volume, high continuous distending pressure had adv

141 ned was: 17% (four of 24) for an ipsilateral lung volume (ILV) receiving 20 Gy or higher (ILV, 20 Gy)

142 Electrical impedance tomography measures lung volume in a cross-sectional slice of the lung.

143 ents may provide a simple method to optimize lung volume in a surfactant-deficient patient during hig

144 nd strategies for recruiting and maintaining lung volume in acute lung injury, we examined relationsh

145 irogram can yield accurate information about lung volume in animals with saline lavage-induced acute

146 We therefore hypothesized that residual lung volume in COPD would be associated with greater LV

147 The predicted lung volume in fetuses of a wide range of gestational ag

148 ration vs. expired volume predict changes in lung volume in healthy lambs with an adjusted coefficien

149 ARDS (14 +/- 5, 18 +/- 8, and 23 +/- 10% of lung volume in mild, moderate, and severe ARDS; P < 0.00

150 ur complex traits: height, forced expiratory lung volume in one second, general cognitive ability and

151 fusion (expressed as ml min(1) g(1)) between lung volumes in the gravitationally intermediate (RV = 8

152 ative extrathoracic pressure yielded a final lung volume increase of 421 +/- 36 ml above the initial

153 and P = 0.23, respectively); end-expiratory lung volume increased (P < 0.001), and tidal volume did

154 In health, peak Vt and end-inspiratory lung volume increased significantly with DS.

155 reversed into a caudal and inward motion as lung volume increased.

156 sfunction, lung tissue inflammation, loss of lung volume, increased shunt, and diffuse alveolar damag

157 Lung weight index (LWI), lung volume index (LVI), and alveolar cell proliferation

158 muscle force, to a greater extent with lower lung volume, indicating a diaphragmatic electromechanica

159 + approximate expiratory reserve volume, and lung volume-induced suppression of mean arterial pressur

160 Therefore, knowledge of lung volume is important for safe patient management.

161 MR imaging lung volumetry in which relative lung volume is used to quantify fetal pulmonary hypoplas

162 Improvement in operating lung volumes is the principal change seen as a chronic o

163 suggest that the adult lung did not increase lung volume later in life by expansion of an existing nu

164 The emphysema index of percentage upper lung volume less than -950 HU had the strongest associat

165 d change in relative DeltaZ representing the lung-volume loss was -9.8 (-3.0 mL/kg) during the first

166 mechanical ventilation at low end-expiratory lung volume, mainly at the bronchiolar level.

167 ng the recruitment procedure, end-expiratory lung volume measured by respiratory inductive plethysmog

168 rs demonstrated excellent agreement in total lung volume measurements at MR imaging, with an intracla

169 pulmonary blood flow as evidenced by reduced lung volume measurements using respiratory inductive ple

170 Differences in total lung volume measurements were less than 1%.

171 sure; 63 subjects underwent UWW and residual lung volume measurements.

172 exhibit periodic increases in end-expiratory lung volume, mediated by changes in breath components, p

173 chemoreceptor-mediated facilitation than by lung volume-mediated inhibition.

174 asively between 7 and 21 years, during which lung volume nearly quadruples.

175 ing techniques that have been used to assess lung volume noninvasively.

176 entilation and has the potential to quantify lung volumes noninvasively.

177 m)Tc-macroaggregated albumin to the anatomic lung volume obtained by small-animal CT.

178 Lung function decline over time, lung volume occupied by cysts (cyst score), and lung tis

179 re acquired during the same breath hold at a lung volume of functional residual capacity plus 1 L.

180 Three of four fetuses with a relative lung volume of less than 40% died.

181 roved (p < 0.001 vs no-Sigh), end-expiratory lung volume of nondependent and dependent regions increa

182 erial blood gases, changes in end-expiratory lung volume of nondependent and dependent regions, tidal

183 ed a significant decrease in body weight and lung volume of smoke-exposed embryos.

184 the following equation for predicting fetal lung volume on the basis of independent biometric indexe

185 We sought to determine the influence of lung volume on the level of continuous positive airway p

186 logies, comorbidities, effects of obesity on lung volume or adipokines.

187 nary hyperinflation, as measured by residual lung volume or residual lung volume to total lung capaci

188 tude was a significant contributor for total lung volume (P = 0.02), air volume (P = 0.03), and tissu

189 f Zone 4 behaviour was not different between lung volumes (P = 0.23).

190 survivor patients (20 +/- 9 vs. 17 +/- 7% of lung volume; P = 0.01) and were the only CT scan variabl

191 olume expressed as a percentage of the total lung volume predicted from fetal size.

192 macroglossia, bulbar manifestations, or low lung volumes, predispose patients to the development of

193 ation exhibit fluctuations in end-expiratory lung volume, primarily because of alterations in tidal v

194 End-expiratory lung volume progressively increased during the initial r

195 ults was primarily related to differences in lung volume (r(2) as great as 0.83).

196 differentiation correlated with IPF patient lung volumes (r = 0.44, p < 0.03).

197 anged throughout, indicating that changes in lung volume rather than airflow resistance predominated.

198 improves exercise performance by increasing lung volume rather than changing expiratory flow.

199 parameters including V15, V20, V30 (percent lung volume receiving > or = 15, > or = 20, and > or = 3

200 After lung volume recruitment with HFOV, the initiation of HFO

201 e reduction surgery (LVRS) and bronchoscopic lung volume reduction (bLVR) are palliative treatments a

202 Bronchoscopic lung volume reduction (BLVR), a minimally invasive proce

203 ress the various techniques of bronchoscopic lung volume reduction (BLVR).

204 Lung volume reduction (LVR) is an effective therapy for

205 lation and select candidates for valve-based lung volume reduction (LVR) therapy.

206 aim to summarise clinical trial evidence on lung volume reduction and provide guidance on patient se

207 This pilot study suggests that lung volume reduction can be achieved in animals without

208 assessed the clinical benefits and safety of lung volume reduction coils (LVRCs) for the treatment of

209 bronchodilators but increased after surgical lung volume reduction compared with medical therapy.

210 There were two deaths in the bronchoscopic lung volume reduction group and one control patient was

211 In the bronchoscopic lung volume reduction group, FEV1 increased by a median

212 Lung volume reduction of emphysematous lobes results in

213 Lung volume reduction surgery (LVRS) and bronchoscopic l

214 25 patients with severe emphysema undergoing lung volume reduction surgery (LVRS) and correlated thei

215 Lung volume reduction surgery (LVRS) as a bridge to lung

216 Current datum more than 2 yr after lung volume reduction surgery (LVRS) for emphysema is li

217 Lung volume reduction surgery (LVRS) is a treatment opti

218 Lung volume reduction surgery (LVRS) is associated with

219 ve diaphragm stretch occurring acutely after lung volume reduction surgery (LVRS) results in fiber in

220 Lung volume reduction surgery (LVRS), the removal of dam

221 hods used in the care of patients undergoing lung volume reduction surgery (LVRS).

222 ortant determinant of increased FEV(1) after lung volume reduction surgery (LVRS).

223 ratively in 37 patients undergoing bilateral lung volume reduction surgery (LVRS).

224 study led to a decrease in the acceptance of lung volume reduction surgery as a therapy.

225 h asthma, heavy smokers, patients undergoing lung volume reduction surgery for severe emphysema, and

226 Lung volume reduction surgery improves survival in selec

227 intravenous anesthesia may be beneficial in lung volume reduction surgery, lung transplantation and

228 Lung volume reduction surgery, where 20-30% of lung is r

229 ged as an important predictor of response to lung volume reduction surgery.

230 nd lesser improvement in lung function after lung volume reduction surgery.

231 could have benefits that are comparable with lung volume reduction surgery.

232 are needed that compare valve placement with lung volume reduction surgery.

233 Lung volume reduction using nitinol coils is a bronchosc

234 ssion, which we use to track the response to lung volume reduction via LVRS and bLVR.

235 nhaled bronchodilator treatment and surgical lung volume reduction were analyzed to evaluate the resp

236 ve unilateral lobar occlusion (bronchoscopic lung volume reduction) or a bronchoscopy with sham valve

237 stimulated a search for novel approaches to lung volume reduction.

238 lying emphysema progression before and after lung volume reduction.

239 Lung-volume reduction can be achieved with unilateral br

240 Airway bypass is a bronchoscopic lung-volume reduction procedure for emphysema whereby tr

241 Bronchoscopic lung-volume reduction with the use of one-way endobronch

242 undergo, lung transplantation, lobectomy, or lung volume-reduction surgery, or had selective IgA defi

243 e excluded, the cost-effectiveness ratio for lung-volume-reduction surgery as compared with medical t

244 Lung-volume-reduction surgery has been proposed as a pal

245 Overall, lung-volume-reduction surgery increases the chance of im

246 and benefits over three years of follow-up, lung-volume-reduction surgery is costly relative to medi

247 17 medical centers were randomly assigned to lung-volume-reduction surgery or continued medical treat

248 tation and were randomly assigned to undergo lung-volume-reduction surgery or to receive continued me

249 Trial, a randomized clinical trial comparing lung-volume-reduction surgery with medical therapy for s

250 ne exercise capacity are poor candidates for lung-volume-reduction surgery, because of increased mort

251 dependent lung is unlikely to be a result of lung volume related increases in resistance in extra-alv

252 aged with a 1.5-T whole-body MR unit at four lung volumes (residual volume [ RV residual volume ], fu

253 Lung volume (respiratory inductive plethysmography), oxy

254 fusion in patients with acute lung injury on lung volume, respiratory mechanics, gas exchange, lung r

255 titration was found to significantly improve lung volumes, respiratory system elastance, and oxygenat

256 ion (r = 0.62, P = .02) with the fraction of lung volume searched.

257 ending on ventilatory state (high versus low lung volume), suggesting state-dependent changes in comp

258 Finally, despite normal lung volume, Tgfbi-null lungs displayed diminished elast

259 50.7 +/- 14.0% higher at highest increase in lung volume than during preceding apnea (p < 0.05).

260 African-American children have lower lung volumes than White children.

261 (isovolumetric V max at intermediate to low lung volumes) than in FVC or FEV1.

262 The relative lung volume-that is, the observed lung volume expressed

263 Total lung volume (TLV) was measured by using planimetry on si

264 or = 18 Gy and < or = 10% of the ipsilateral lung volume to receive > or = 20 Gy.

265 measured by residual lung volume or residual lung volume to total lung capacity ratio, is associated

266 ed expiratory flow volume curves from raised lung volumes to assess airway function among infants wit

267 = 0.0085), and lung clearance index based on lung volume turnover required to reach 2.5% of starting

268 Findings imply insufficient ventilation/lung volume unit and insinuate a powerful marker for est

269 In the fetuses with normal chests, relative lung volume varied between 51% and 134%.

270 fetuses with pulmonary hypoplasia, relative lung volume varied between 6% and 70%.

271 Lung volume, ventilation defect volume, ventilated volum

272 Relative lung volume was calculated as the observed total lung vo

273 Relative lung volume was correlated with the ultrasonographic lun

274 Lung volume was decreased by lowering end-expiratory air

275 At 16.5 dpc, the reduction in lung volume was due to loss of lung mesenchymal tissue c

276 oxel in the CT scan and after correcting for lung volume was expressed as the density at lowest 15th

277 The ICC for lung volume was greater at site B (0.83-0.86) than at si

278 When lung volume was increased by 1,035 +/- 22 ml, the CPAP l

279 - 62 ml); in a control study, end-expiratory lung volume was increased equally in the absence of bron

280 Residual lung volume was independently associated with greater LV

281 d entirely based on visual information while lung volume was not.

282 injury, subjects were converted to HFOV, and lung volume was optimized.

283 Relative lung volume was positively correlated with lung-head rat

284 sis in the pregnancy outcome group, relative lung volume was predictive of prognosis (P <.05) when ad

285 Conversely, when lung volume was reduced by 732 +/- 74 ml (n = 8), the CP

286 e expressed as a percentage of the predicted lung volume-was then calculated in fetuses with pulmonar

287 The bias and precision of the calculated lung volume were 10.9 and 55.9, respectively.

288 Fifty-five measurements of lung volume were available for comparison with derived v

289 intercept length, alveolar surface area, and lung volume were similar between both genotypes.

290 uated at our referral clinic, the DL(CO) and lung volumes were decreased in approximately three-quart

291 Lung volumes were measured by spirometry and plethysmogr

292 Lung volumes were measured in 32 healthy infants (age, 4

293 ammation, alveolar enlargement, and enhanced lung volumes were noted at base line and increased great

294 Significant differences in ADCs between lung volumes were observed for all inflation levels (20%

295 emphasizing the need for tight control over lung volume when performing hyperpolarized helium 3 ((3)

296 were effective at increasing end-expiratory lung volumes while decreasing end-inspiratory transpulmo

297 eas were defined as the percentage of imaged lung volume with attenuation values between -600 and -25

298 sis to assess air trapping, airway size, and lung volume with inspiratory and expiratory X-ray comput

299 6 +/- 2.9 cm H2O) were associated with lower lung volumes, worse elastic properties of the lung, and

300 ypothesized that changes in both airflow and lung volumes would occur during an exacerbation, but tha