Comparing Micro-endoscopic Discectomy and Small-incision Discectomy in lumbar Discherniation Treatment

Objective:To compare the clinical effect of micro-endoscopic discectomy(MED) and small-incision discectomy in lumbar discherniation treatment and investigate the advantage and application of the two methods.Methods:Totally 110 lumbar discherniation patients were investigated,including 56 MED(37 male and 18 female;mean age: 39.6 years;range 28-63 years;the segment of herniated discs were at L4-5 in 30,at L5S1 in 23 and at L4-5、L5S1 in 3) and 54 small-incision discectomy(29 male and 25 female;mean age 42.3 years;range 26-73 years;the segment of herniated discs were at L4、5 in 27,at L5S1 in 21 and at L4、5、L5S1 in 6).The clinical result,the incision length,the operative time,the blood loss in operation,the postoperative bed time,the narcotic medication dosage after operation and the average hospital time are selected for researching indices.Results:The average duration of follow-up for MED and small-incision discectomy was 13.5 and 15.3 months respectively.The group of MED have shorter incision length,smaller blood loss in operation,less postoperative bed and average hospital time,less narcotic medication use after operation and longer operative time compared with the group of small-incision discectomy(P0.05).According to modified Macnab criteria,MED group have 37 excellences,13 goods and 6 fairs;Small-incisioin discetomy group have 33 excellences,12 goods and 6 fairs(P0.05).Conclusions:Comparing with small-incision discectomy group,MED is of smaller incision,less tissue trauma and quicker recovery.The small-incision discectomy operation also has its advantages and indications,which could obtain the best clinical result base on adaptive management for the patients′ condition.