The following are different LASER which are effective for bone work: Holmium ϒAG Laser KTP /532 Diode Laser erbium ϒAG (no suitable delivery system exist for its use)
Day: June 18, 2017
What are the different modes of tissue reaction by Laser? What is “swiftlase” and what are their indication in otorhinolaryngology?What are the different modes of tissue reaction by Laser? What is “swiftlase” and what are their indication in otorhinolaryngology?
The following are the modes of different tissue reaction by LASER. a. Photo-ablative Reactions: It occurs when molecule bonds are divided. e.g. ruby laser can split the molecular bonds of
Who built the first laser? What are the basic characteristics of laser beam?Who built the first laser? What are the basic characteristics of laser beam?
Theodore Maiman built the first laser in 1960.(Ruby laser) The following are the basic characteristics of laser beam: coherent→ the photons or waves travels in step or in phase c
What are the applications/ indication of LASER in otorhinolaryngology?What are the applications/ indication of LASER in otorhinolaryngology?
Stapedectomy and tympanomastoid surgery: CO2 laser KTP laser Argon laser Endonasal DCR: Holmium AG laser KTP laser 810 mm laser Nasal and sinus surgery including tumour surgery + telengectasia destruction
What are the possible complications/ hazards of embolization?What are the possible complications/ hazards of embolization?
The incidence of complication is 4% and half of these only have permanent neurological damage. Cranial Nerves palsies including blindness: more common with small particle. Stroke due to unrecognized spread
What are the catheters used in embolization?What are the catheters used in embolization?
Depending on the vessels catheterized: Trans-arterial Trans-venous Micro-catheters(0.02 /0.508mm) or small Flexible distal end Stiffer proximal end [table id=29 /]
What is the significance of preoperative embolization?What is the significance of preoperative embolization?
It helps to reduce bleeding during operation and facilitates surgery. It helps to reduce the operative time.
What are the indication of embolization of skull base tumours?What are the indication of embolization of skull base tumours?
The following are the indication of the embolization of skull base tumours: as an adjuvant to tumour resection in order to reduce operative blood loss and facilitates surgery. To arrest
What are the tumours in ENT treated with selective embolization? List skull base tumours which may benefit from preoperative embolization.What are the tumours in ENT treated with selective embolization? List skull base tumours which may benefit from preoperative embolization.
The following are the head and neck and skull base tumours treated by embolization. commonly treated tumours Meningioma (skull base most benefited) Paraganglioma(skull base most benefited) Juvenile angiofibroma Hemangiopericytoma Less