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Preservatives used while packing catgut suture

Author: RxPG, Posted on Saturday, November 12 @ 01:24:45 IST by RxPG  

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Which one of the following preservatives is used while packing catgut suture?
1. Isopropyl alcohol.
2. Colloidal iodine.
3. Glutaraldehyde.
4. Hydrogen peroxide.

Source of this Question: RxPG AIPG 2004 Book BEST SELLER
All India 11th Jan 2004 - Solved with explanations - Bruno - Jaypee Publishers Author : Dr. J. Mariano Anto Bruno Mascarenhas
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Answer: 1. Isopropyl alcohol.
Reference: Manufacturers note found along with the sutures. Check for your self!!!
Quality: Spotter
Status: Repeat
QTDF: Medical General Knowledge

- Surgical Gut Suture (Plain or Chromic) is available in sizes 5-0 through 6 (metric sized 2-8).
The suture is supplied sterile in "pre-cut" lengths or non-needled or attached to various needle types in one dozen boxes.
Suture is supplied with packing fluid
o 90% Isopropyl Alcohol,
o 0.5% Sodium Benzoate,
o 0.5% Diethylethanolamine and
o water q.s. ad 100%.

1. Isopropyl alcohol is used while packing catguts.
2. Colloidal iodine is used as a skin disinfectant.
3. 2 % Glutaraldehyde is used for sterilizing Bronchoscope. (Asked in AIPGE 2003)
4. Use of Hydrogen peroxide in Surgical Wards is a well known fact and needs no introduction to medical students .

Refer to Question Number 127 in RxPG AIPGE 2003 book, for discussion about sterilisation
Glutaraldehyde [CHO-(CH2)3-CHO ] has a similar action like Formaldehyde, and is specifically effective against tubercle bacteria, fungi and viruses. It is less toxic and irriant to the eys than formaldehyde. This has no deleterious effects on the cement or lenses fo the instruments such as bronchoscopes and cystoscopes. It is also used for
corrugated rubber anaesthetic tubes
face masks,
plastic endotracheal tubes,
metal instruments and
polythene tubing

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