Objective To investigate the clinical effect of far lateral approach surgery under unilateral biportal endoscope(UBE)for lumbar foraminal stenosis.Methods From June 2021 to August 2022,39 patients with lumbar foraminal stenosis were treated with far lateral approach surgery under UBE in our department.The patients were placed at the standard prone position,and a longitudinal line was drawn about 2 cm from the lateral edge of the upper and lower pedicles.Transverse incisions were made at the two intersection points of the horizontal line at the midpoint of the lateral edge of the upper and lower pedicles.After inserting the gradually enlarged sleeves to expand the space,the enlargement of the intervertebral foramen and release of the nerve root were completed under the direct view of UBE.The Visual Analogue Scale(VAS)of leg pain and the Oswestry Disability Index(ODI)were compared before and after operation.The effectiveness was evaluated according to the modified MacNab criteria at 12 months after operation.Results The operations were successfully completed in all the 39 cases.The operation time was(105.5±14.8)min,and the blood loss was(26.7±8.8)ml.The tear of adventitial nerve root occurred in 1 case during operation,and there was no nerve injury symptom after operation.One case of suspected infection occurred after operation and recovered after conservative treatment.All the 39 patients got out of bed with waist circumference on the first day after operation.The intervertebral foramen height measured by sagittal CT at 3 d after operation was(1.62±0.26)cm,which was significantly higher than that before operation[(1.51±0.28)cm;t=-4.010,P=0.000].The intervertebral foramen width was significantly greater than preoperation[(1.24±0.17)cm vs.(0.96±0.15)cm;t=-14.811,P=0.000].The area of intervertebral foramen was significantly larger than preoperation[(1.40±0.19)cm2 vs.(1.05±0.22)cm2;t=-12.874,P=0.000].The VAS of leg pain at 1 d,and 1,3,and 6 months after operation were significantly lower than those before operation(all P=0.000),and the VAS scores gradually decreased with the increase of time.The ODI was significantly lower at 1,3,and 6 months after operation than that before operation(all P=0.000),and the ODI decreased gradually with the increase of time.According to the modified MacNab criteria,at 12 months after operation,33 cases were excellent,4 cases were good,and 2 cases were fair,with an excellent and good rate of 94.9％(37/39).Conclusions Far lateral approach surgery under UBE for lumbar foraminal stenosis has significant effect on the relief of lumbago and leg pain and the improvement of lumbar function.It has little damage to lumbar stability and does not need internal fixation,which is worthy of clinical application and promotion.

Objective To investigate the clinical effect of far lateral approach surgery under unilateral biportal endoscope(UBE)for lumbar foraminal stenosis.Methods From June 2021 to August 2022,39 patients with lumbar foraminal stenosis were treated with far lateral approach surgery under UBE in our department.The patients were placed at the standard prone position,and a longitudinal line was drawn about 2 cm from the lateral edge of the upper and lower pedicles.Transverse incisions were made at the two intersection points of the horizontal line at the midpoint of the lateral edge of the upper and lower pedicles.After inserting the gradually enlarged sleeves to expand the space,the enlargement of the intervertebral foramen and release of the nerve root were completed under the direct view of UBE.The Visual Analogue Scale(VAS)of leg pain and the Oswestry Disability Index(ODI)were compared before and after operation.The effectiveness was evaluated according to the modified MacNab criteria at 12 months after operation.Results The operations were successfully completed in all the 39 cases.The operation time was(105.5±14.8)min,and the blood loss was(26.7±8.8)ml.The tear of adventitial nerve root occurred in 1 case during operation,and there was no nerve injury symptom after operation.One case of suspected infection occurred after operation and recovered after conservative treatment.All the 39 patients got out of bed with waist circumference on the first day after operation.The intervertebral foramen height measured by sagittal CT at 3 d after operation was(1.62±0.26)cm,which was significantly higher than that before operation[(1.51±0.28)cm;t=-4.010,P=0.000].The intervertebral foramen width was significantly greater than preoperation[(1.24±0.17)cm vs.(0.96±0.15)cm;t=-14.811,P=0.000].The area of intervertebral foramen was significantly larger than preoperation[(1.40±0.19)cm2 vs.(1.05±0.22)cm2;t=-12.874,P=0.000].The VAS of leg pain at 1 d,and 1,3,and 6 months after operation were significantly lower than those before operation(all P=0.000),and the VAS scores gradually decreased with the increase of time.The ODI was significantly lower at 1,3,and 6 months after operation than that before operation(all P=0.000),and the ODI decreased gradually with the increase of time.According to the modified MacNab criteria,at 12 months after operation,33 cases were excellent,4 cases were good,and 2 cases were fair,with an excellent and good rate of 94.9％(37/39).Conclusions Far lateral approach surgery under UBE for lumbar foraminal stenosis has significant effect on the relief of lumbago and leg pain and the improvement of lumbar function.It has little damage to lumbar stability and does not need internal fixation,which is worthy of clinical application and promotion.

Objective To understand the intention , motivation and influencing factors of studying for a master in nursing undergraduate students in order to provide the scientific basis for guiding students to take a correct attitude towards learing in educators .Methods Five hundred and two nursing undergraduate students from Grade 2008 to Grade 2012 were surveyed by the self-designed questionnaire about the intention and motivation for studying for a master in nursing undergraduate students .Results The cases of 502 students who had the intention to take postgraduate entrance examination were 93 cases (18.5%).50.2% students thought that the nursing specialty should develop the postgraduate education , and 54.0% student thought that studying for a master could improve the self-ability.The first factor of making students take postgraduate entrance examination was “break away the clinical nursing work”.Ready to enter oneself for an examination of nursing students accounted for 52.7%, 47.3% of the students to enter oneself for an examination the nursing profession;the better results in all the subjects , the phenomenon of cross major to enter oneself for an examination, the more obvious (P<0.01); Men cross major to enter oneself for an examination phenomenon than women (P<0.01).The main factor of making students not take the postgraduate entrance examination was age, and they were worry about delay marriage and family .Conclusions The proportion of the intention to have postgraduate entrance examination students is relatively small , and the motivation for studying for a master is negative.The educators and related management should pay attention to the problem and guild students to take a correct attitude .