Objective To compare surgical outcomes between laparoscopic high ligation and conventional procedure in the treatment of inguinal hernia.Methods High ligation of the hernial sac was performed in 94 patients with indirect inguinal hernia and communicating hydrocele between July 2002 and December 2004.Forty-four patients were treated laparoscopically by using a self-made hooked sledge-shaped needle(Laparoscopic Group),whereas conventional open procedure was conducted in 50 patients(Conventional Group).Results As compared with the Conventional Group,the Laparoscopic Group presented shorter operating time(18?5 min vs 27?8 min,t=-6.436,P=0.000),less postoperative analgesic requirement(5 patients vs 14 patient,?2 =4.017,P=0.045),shorter hospitalization length(3.2?1.2 d vs 7.3?1.9 d,t=-12.311,P=0.000),and higher total expenditure(2965.5?516.7 yuan vs 2389.7?372.3 yuan,t=-6.251,P=0.000).Conclusions Compared to conventional procedure,laparoscopic high ligation of hernial sac has advantages of minimal invasion,less pain,quicker recovery,shorter hospitalization,and better cosmetic results.It is an ideal procedure for treating pediatric indirect inguinal hernia and communicating hydrocele.

Objective To prepare a kind of one-off self-heating material for physical therapy and health care. Methods Polymer in salt solid electrolyte(SPE)was prepared with urea, thiourea and polyethelene glycol(PEG). The SPE was chosen to prepare a self-heating material through mixing with reduced iron powder and activated carbon powder. Results The self-heating material was in solid state and performed satisfactory. It released heat when contacted with air and was in dormancy when isolated from air. Conclusion SPE can be used for solid self-heating material through mixing with metal powder and activated carbon powder. The self-heating material can be used for mount of ointment and for other heat-wanted one-off medical use.

Objective To investigate the effects of ropivacaine infiltration combined with dezo-cine intravenous on stress response during recovery from general anesthesia in patients undergoing e-sophageal cancer surgery.Methods One hundred and forty-four patients of esophageal cancer under-going elective surgery were randomly divided into dezocine group (group D,n = 48 ),ropivacaine group (group R,n =47)and ropivacaine combined with dezocine group (group RD,n =49 ).Before slicing 10 min,patients in group D were taken 20 ml saline infiltration anesthesia (1∶200 000 epi-nephrine),while in group R and group RD were taken 20 ml 0.5% ropivacaine infiltration anesthesia. Patients in the group R were injected intravenously 2 ml saline,while in group D and group RD were injected intravenously 10 mg dezocine 30 min before the end of surgery.Peri-operative bleeding,oper-ation time,recovery time of anesthesia,extubation time and the dosage of propofol and sufentanil of three groups were recorded respectively.At the time points of before induction of anesthesia (T0 ), the end of the surgery (T1 ),removal trachea immediate (T2 ),10 min (T3 )and 30 min (T4 ),the blood pressures and heart rates were recorded,and the serum levels of malondialdehyde (MDA),epi-nephrine (E)and norepinephrine (NE)were detected.Results Recovery time of anesthesia and extu-bation time in group R and group RD were shorter than that in group D significantly (P <0.05).The dosage of propofol and sufentanil in group R and group RD were less than that in group D significantly (P <0.05).Compared with T0 ,SBP in three groups were elevated significantly at T1-T4 (P <0.05), DBP and HR in group D and group R increased significantly at T3 (P <0.05).DBP and HR in group RD at T3 were lower than that in group D and group R significantly (P <0.05).Compared with T0 , the levels of blood sugar,Cor,MDA,E and NE in three groups were elevated significantly at T1-T4 (P <0.05).The levels of blood sugar,Cor,MDA,E and NE in group RD at T1-T4 were lower than that in group D and group R significantly(P < 0.05 ).The incidences of agitation and elevation of blood pressure in group RD were lower than that in group D and group R significantly (P <0.05 ). Conclusion Ropivacaine infiltration combined with dezocine intravenous applied in the esophageal cancer surgery could effectively reduce the stress response during recovery from anesthesia,and de-crease the incidence of agitation.