COMPARATIVE EVALUATION OF RESISTANCE AMONG EXTRACORPOREAL ROEDER, MELTZER AND HEMOLOCK KNOTS IN INTESTINE OF SHEEP

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Abstract

Despite advances in different techniques of suturing and their alternatives, controversies exist in
their indications in laparoscopic surgeries. Due to difficulties exist with laparoscopic suturing knots
the hemolock technique was introduced in this study. The objective of this study was to compare
resistance among extracorporeal Meltzer and Roeder knot and hemolock in laparoscopic surgery. In
this quasiexperimental study 205 intestines of sheep (20 cm length) sutured with Meltzer's (43 cases,
20%), Roeder's (44 cases, 20.5%) and hemolock (128 cases, 59.5%) methods. Resistance of these
methods were evaluated with sphygmomanometer. Furthermore, side effects of sutures were
evaluated. Mean pressure tolerance of Roeder's knot method (196.0±50.9 mmHg) Meltzer knot
(193.8±49.22 mmHg) and hemolock clips (247.03±42.47 mmHg) were determined. Mean pressure
tolerance was significantly higher in hemolock(p<0.001) compared to the other ones. Frequency of
suture displacement was 52% (22 cases) in Roeder , 68% in Meltzer (23 cases), and 47% (37 cases) in
hemolock. With respect to the results of this study and easy use of hemolock and due to its high pressure
resistance, hemolock can be considered as a safe and good substitute for extracorporeal knots in
laparoscopic surgeries

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Journal of Veterinary Research
Volume 65, Issue 1
March 2010
Pages 67-70

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