Research Article

Comparison of Platelet-Rich Plasma-Impregnated Suture Material with Low and High Platelet Concentration to Improve Colonic Anastomotic Wound Healing in Rats

Table 2

Comparison of parameters in study groups.

Median (range)Control ()L-PRP ()H-PRP () value

Body weight (g)
 Preoperative277.50 (50.00)277.50 (40.00)280.00 (45.00)0.997
 Postoperative 7th day280.00 (55.00)275.00 (35.00)272.50 (35.00)0.865
Wound healing injury score
 Necrosis1.00 (1.00)0.00 (2.00)1.50 (2.00)0.056
 PMN cell infiltration2.00 (1.00)2.00 (1.00)2.00 (2.00)0.724
 MN cell infiltration2.00 (0.00)2.00 (0.00)2.00 (1.00)0.417
 Edema2.00 (1.00)1.00 (0.00)0.00 (0.00)<0.001
 Mucosal epithelium3.00 (1.00)q2.50 (1.00)q1.00 (2.00)0.013
 Submucosal/mucosal muscle layer3.00 (0.00)3.00 (2.00)3.00 (0.00)0.159
 Granulation tissue3.00 (1.00)2.00 (1.00)2.00 (1.00)0.002
 Total score15.50 (4.00)13.00 (7.00)11.50 (6.00)0.007
ABP (mmHg)121.00 (57.00)180.00 (49.00),qqq124.00 (62.00)0.001
Hydroxyproline (μg/mg tissue)0.25 (0.17)0.56 (0.37),q0.39 (0.10)0.001

ABP: anastomotic bursting pressure; PMN: polymorphonuclear; MN: mononuclear. , , and compared to control; q, qq, and qqq compared to HRP. Kruskal-Wallis test with post hoc Tamhane’s test.