No abstract available.
Pulmonary Atelectasis*

No abstract available.
Pulmonary Atelectasis*

No abstract available.
Pulmonary Atelectasis*

No abstract available.
Pulmonary Atelectasis*

The characteristic radiographic and CT findings of Iobar atelectasis are well known. However, Iobar atelectasis is a dynamic process, and atypical presentations may occur due to a number of different causes. Familiarity with the various typical and atypical radiographic findings of Iobar atelectasis is important for correct diagnosis. The aim of this manuscript is to illustrate the spectrum of radiographic findings of Iobar atelectasis and to correlate the radiographic findings with the CT findings. The review will illustrate examples of typical and atypical Iobar atelectasis, including combined Iobar atelectasis, peripheral Iobar atelectasis, migrating Iobar atelectasis, rounded atelectasis involving the entire lobe and Iobar atelectasis mimicking paravertebral and mediastinal masses.
Diagnosis ; Pulmonary Atelectasis* ; Recognition (Psychology)

The characteristic radiographic and CT findings of Iobar atelectasis are well known. However, Iobar atelectasis is a dynamic process, and atypical presentations may occur due to a number of different causes. Familiarity with the various typical and atypical radiographic findings of Iobar atelectasis is important for correct diagnosis. The aim of this manuscript is to illustrate the spectrum of radiographic findings of Iobar atelectasis and to correlate the radiographic findings with the CT findings. The review will illustrate examples of typical and atypical Iobar atelectasis, including combined Iobar atelectasis, peripheral Iobar atelectasis, migrating Iobar atelectasis, rounded atelectasis involving the entire lobe and Iobar atelectasis mimicking paravertebral and mediastinal masses.
Diagnosis ; Pulmonary Atelectasis* ; Recognition (Psychology)

The authors have experienced a case of entire lung collapse on the right side which appeared after upper abdominal operation under endotracheal general anesthesia. It has been rarely reported in the literature.
Anesthesia, General ; Lung* ; Pulmonary Atelectasis*

Accessory fissures serve not only as natural barriers against infection but also help in localizing any focal pulmonary parenchymal diseases and in distinguishing pleural from parenchymal diseases. Knowledge of these fissures might be useful in differentiating unusual forms of atelectasis or consolidation occuring adjacent to the fissure. Left minor fissure (LMF) is a kind of unusual accessory fissures of the left lung, which separates adjacent segments of the upper lobe as clefts of various depths lined by two layers of visceral pleura. In this study, 4 cases of LMFs found in the left upper lobe during a routine dissection of 36 cadavers were observed. Of the 4 cases, 3 cases were true LMFs which located between the anterior segment of the upper lobe and superior segment of lingula, and 1 case was considered as left azygos fissure. Among the true LMFs, 2 LMFs coursed horizontally and 1 LMF coursed upward obliquely along the costal surface. The depth of LMFs was 0.5~1.2 cm and the length was 5~8 cm.
Cadaver ; Lung* ; Pleura ; Pulmonary Atelectasis

BACKGROUND: Compared with blockers mounted on the endotracheal tube, (a conjugated blocker), studies about blockers that are independent of a single-lumen tube, (a separated blocker) are rare. This study's object was to find several characteristics about these new blockers. METHODS: We compared the peak and plateau airway pressures in intubated patients (n = 30) with, (group EB) and without, (group E) blockers. We measured the depth of the blockers and the pressures of the balloon of the blockers. Balloon pressures were measured twice outside and inside of the E-tube with 7 ml of air. All of these measurements were done in the supine position with 1 L/min flow rate. The frequency of malposition, the score of the lung collapse, and bronchial mucosa change were checked thereafter. RESULTS: The peak airway pressures of group EB were significantly higher than those of group E (p < 0.05). However, the plateau pressures of both groups were not different. The depth of the blockers was 52.0 +/- 1.8 cm, and the balloon pressures of the blockers were 124 +/- 22 and 139 +/- 20 mmHg, respectively. Six patients needed additional bronchoscopy because of malposition. The lung collapse score was good in 17 patients, fair in 10 patients, and poor in 3 patients. There was not any severe bronchial mucosa damage. CONCLUSIONS: Understanding the characteristics of these new blockers, we can consider the use of them in some situations in which the use of a double-lumen tube is impossible or inconvenient.
Bronchoscopy ; Humans ; Mucous Membrane ; Pulmonary Atelectasis ; Supine Position

Thirty-two male and twenty-five female pediatric patients who were diagnosed as postoperative pulmonary atelectasis were evaluated. The causes of postoperative atelectasis were secretion in the airway (94.7%) and aspiration (5.3%). The locations of postoperative atelectasis were right upper (54. 4%), left upper (19.3%), left lower (12.3%), right middle (8.7%) and right lower (5.3%) lobe in order. In thirty-three (57.9%) of the total 57 patients, atelectasis was occurred on the 2nd postoperative day. After application of intrapulmonary percussive ventilation (IPV) three times a day, more than half of the patients showed normal expanded lung and the majority of the patients except one were completely recovered in 6 days postparatively. Arterial blood gases were not significantly different before and after IPV, but alveolar-arterial oxygen tension difference (AaDO2) decreased from 160+/-16 mmHg before IPV to 114+/-16 mmHg after IPV.
Female ; Gases ; Humans ; Lung ; Male ; Oxygen ; Pulmonary Atelectasis* ; Ventilation*