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UPSC-CMS 2016 — Surgery

Q: Which of the following suture materials has the least tissue reaction?

Stainless steel. ***Stainless steel*** - **Stainless steel** is a **monofilament** suture with the **lowest tissue reactivity** due to its inert nature. - It is often used in situations requiring maximal strength and minimal biological interaction, such as abdominal wall closure or orthopedic procedures. *Silk* - **Silk** is a **multifilament, natural, non-absorbable** suture and is known for its **moderate tissue reactivity** due to its braided structure and organic origin. - While it provides good knot security, its reactivity makes it unsuitable for areas where minimal foreign body reaction is paramount. *Cotton / Linen* - **Cotton and linen** sutures are **natural, multifilament, non-absorbable** materials that exhibit significant **tissue reactivity**. - Their fibrous nature can lead to considerable inflammatory response and are rarely used in modern surgical practice. *Chromic catgut* - **Chromic catgut** is a **natural, absorbable** suture treated with chromium salts to prolong its absorption time, but it still triggers a **significant inflammatory response** as it is absorbed by enzymatic digestion. - Its high tissue reactivity makes it less ideal for situations requiring minimal foreign body reaction compared to synthetic or metallic sutures.

21 Questions — Page 3 of 3

All Subjects Anatomy (1)Community Medicine (34)ENT (1)Internal Medicine (7)Microbiology (3)Obstetrics and Gynecology (34)Orthopaedics (2)Pathology (4)Pediatrics (1)Pharmacology (2)Physiology (1)Psychiatry (1)Radiology (2)Surgery (21)

Q21

Which of the following suture materials has the least tissue reaction?