Sutures

Question 1

Silk suture

Answer 1

Non absorbable, multi filament
Natural - from silkworms
Bombyk mori ( bombycidae family)

Question 2

Ethibond suture

Answer 2

Non absorbable, multi filament
Synthetic
Use in hernia repair secure patch in place

Question 3

Vicryl suture

Answer 3

Absorbable multi filament

Question 4

Prolene suture

Answer 4

Non absorbable, mono filament

Mostly vascular, anastomoses, hernias, abdominal fasciae closure)

Question 5

Nylon suture

Answer 5

Aka ethilon

Non absorbable mono filament

Question 6

Chromic catgut suture

Answer 6

Absorbable mono filament
From intestines cows or sheep
Circumcision

Question 7

PDS suture

Answer 7

Absorbable mono filament
Laparotomy
Close up peritoneum/rectus

Question 8

Monocryln suture

Answer 8

Absorbable mono filament

Primary closure for skin

Question 9

What are the two types of gut sutures

Answer 9

Plain and chromic

Question 10

Differentiate between plain and chromic gut suture

Answer 10

Chromic gut is treated with chromium salts (chromium trioxide), which results in more collagen cross links , making the suture more resistant to breakdown by the body

Question 11

Vicryl suture: how long does it retain its strength

Answer 11

60%@2weeks and 8%@4weeka

Question 12

PDS suture: how long does it maintain its tensile strength and how long it takes to complete absorption

Answer 12

70% to 74% at 2 weeks , 50% to 58% at 4 weeks , 25% to 41% at 6 weeks

180 days (6mths)