Cerebellopontine angle (CPA) tumors are the most common neoplasms in posterior fossa, accounting for 5-10% of intracranial tumors. Most CPA benign, with over 85% being vestibular schwannoma (acoustic neuromas). The preferred treatment symptomatic has been surgical excision. Craniotomy resections lateral position gave better field exposure, but also posed increased risk ventilation-perfusion mis...

BACKGROUND Atelectasis is commonly encountered in patients undergoing rectus abdominus tissue transfer. Primary closure of the anterior rectus sheath may contribute to this process. Augmentation of the closure with mesh may decrease the incidence of Atelectasis. METHODS In this retrospective review 32 patients with preoperative and postoperative augmentation were compared to 23 who had primar...

Formation of atelectasis is one mechanism of impaired gas exchange during general anaesthesia. We have studied manoeuvres to re-expand such atelectasis in 16 consecutive, anaesthetized adults with healthy lungs. In group 1 (10 patients), the lungs were inflated stepwise to an airway pressure (Paw) of 10, 20, 30 and 40 cm H2O. In group 2 (six patients), three repeated inflations up to Paw = 30 c...

Fiberoptic bronchoscopy has become a commonplace procedure in ICUs. Despite the fact that one of the most common indications for bronchoscopy is the presence of retained secretions and atelectasis, there is little research dedicated to its safety and utility in this clinical situation. This article presents a case of an intubated trauma victim who had undergone numerous bronchoscopic procedures...

The purpose of this retrospective study was to evaluate the efficacy anatomic thoracoscopic pulmonary segmentectomy performed based on three-dimensional computed tomography bronchography and angiography (3D-CTBA) in children infants. Totally, 22 patients received from October 2019 February 2020. procedures were virtual 3D-CTBA. preoperative planning depended 3D-CTBA result. All cases ( 1 left S...

the cytology study is effective and reliable technique in intraoperative consultation. this study was performed to evaluate the accuracy of the cytology study in intraoperative consultation of the breast lesions. 125 specimens of the breast lesions were examined and studied in imam khomeini hospital during the years 1998-99. the sensitivity, specificity and accuracy for cytological method were ...

BACKGROUND Following preoxygenation and induction of anaesthesia, most patients develop atelectasis. We hypothesized that an immediate restoration to a low oxygen level in the alveoli would prevent atelectasis formation and improve oxygenation during the ensuing anaesthesia. METHODS We randomly assigned 24 patients to either a control group (n = 12) or an intervention group (n = 12) receiving...

ATELECTASIS (COLLAPSE) is loss of lung volume caused by inadequate expansion of airspaces; this leads to shunting of inadequately oxygenated blood from pulmonary arteries into veins, thus giving rise to hypoxia. Pathogenetically atelectasis is classified into three forms 1. Resorption atelectasis complicating obstruction. The air already present distally gradually becomes absorbed, and alveolar...