Tracheobronchial foreign body (TFB) aspiration is rare in adults, although incidence rates increases with advancing age. We report a case of foreign body in left main bronchus in an adult female who had no risk factor. She was successfully treated with removal of betel nuts by bronchoscopy. Unusual presentation and high index of suspicion can help in proper management.

Mukoepidermoid karsinom nadir olarak trakeobronşiyal ağaçta yerleşen malign bir tümördür. Mukoepidermoid karsinomlar düşük evreli tümörler olmalarına rağmen, cerrahi olarak çıkarılmaları gerekir. Yirmi yaşında erkek hastada ateş, öksürük ve nefes darlığı yakınmalarına yol açan ve fiberoptik bronkoskopide sol ana bronşu daraltan kitle lezyonu saptandı. Akciğer özek dokusunu korumak için medyan s...

This analysis of thirteen cases of lower airway foreign body aspiration in children reveals a high incidence of aspiration into the left main bronchus, and an increased incidence in older children. Early indentification of nonradio opaque foreign bodies such as food and plastic toys is difficult in the absence of a positive history. Suggestions are offered for prevention, early detection, and t...

In this paper, investigation has been carried out for the evaluation of reliability behaviour of a power plant with the aid of Boolean function expansion algorithm. The complex system under consideration consists of four power generators in a power house. The object of the system is to supply power from a power house generated by generators to critical consumers fed from an output main switch a...

Bronchomalacia in adults is rare. A case is reported here of a 65-year-old man with severe cough and mucostasis, caused by a benign bronchomalacia of the ventral wall of the left main bronchus. This was treated successfully with the insertion of a silicone Dumon stent as an alternative to surgical bronchoplasty.

This paper presents a dc-dc ZETA converter with reduced switching loses at the main switch. Reducing is obtained by application of resonance switch, where turn-on zero voltage and rising turn-off limited capacitor that it’s placed parallel The operational principle proposed has been analyzed under different modes operation. To validate converter, implementation carried out using PSIM software. ...

We describe the repair of the postoperative left main stem stenosis of a 24-day old male patient who initially underwent arterial switch operation for dextro-transposition of the great arteries. The repair was facilitated by using an autologous left innominate vein patch, while there was a shortage of suitable repair material in this neonate. Postoperative echocardiogram prior to discharge conf...

A rate-based congestion control algorithm regulates cell emission rate of source end systems based on feedback information from the network. It was standardized by the ATM Forum for application to an ABR (Available Bit Rate) service class. In the standard, two types of congestion notification methods of the switch are specified: EFCI marking and explicit-rate marking. In this paper, we focus on...

In this paper, we propose a novel hardware caching technique, called switch directory, to reduce the communication latency in CC-NUMA multiprocessors. The main idea is to implement small fast directory caches in crossbar switches of the interconnect medium to capture and store ownership information as the data flows from the memory module to the requesting processor. Using the stored informatio...

This work investigates the fabrication of a RF (ratio frequency) MEMS (micro elector mechanical system) switch using the standard 0.35 m 2P4M (double polysilicon four metal) CMOS (complementary metal oxide semiconductor) process and the post-process. The switch is a capacitive type, which is actuated by an electrostatic force. The structure of the switch consists of a CPW (coplanar waveguides) ...