Objective To investigate effects of continuous positive airway pressure (CPAP)treatment on pulmonary function, frequency of asthmatic attack, and quality of life in patients of moderate to severe obstructive sleep apnea syndrome (OSAS) accompanying with asthma. Methods Twenty-three patients of OSAS accompanying with mild-to-moderate asthma were studied. They were divided into two groups, gastroesophageal reflux ( GER ) group ( n = 9 ) and non-GER group ( n = 14 ), based GER questionnaire score equal to or greater than 12, or less than 12. Pulmonary function tests (PFTs), Epworth sleepy score (ESS), quality of life for obstructive sleep apnea (QOLAp) score, quality of life for asthma (QOLAs) score and polysomnography (PSG) were measured for all the patients before and after four-week CPAP, respectively. Results No significant difference in PFTs was revealed before and after four-week CPAP between the two groups. However, there was significant difference in scores of QOLAp, ESS and QOLAs before and after four-week CPAP treatment, ( 12. 8 ± 2. 8 ) and (4. 6 ± 0. 9), ( 5. 1 ± 0. 7 ) and (6.3 ±0.6), and (4. 1 ±0.5) and (6.3 ±0.5) in GER group, and (13.0 ±2.9) and (4.6 ± 1.1),(4.7±0.5) and (5.6±0.6), and (3.6±0.3) and (5.8 ±0.6) in non-GER group, respectively (P＜0. 01 or 0. 05). Frequencies of asthmatic attack and nocturnal asthmatic attack reduced to ( 1.7 ± 1.1 )episodes per week and (0. 7 ± 0. 3) episodes per week after four-week treatment from (2. 9 ± 2. 0) episodes per week and ( 1.4 ± 0. 8) episodes per week before treatment ( P ＜ 0. 05 ) in GER group, but no significant difference was found before and after treatment in non-GER group. Scores of QOLAs increased more significantly in GER group than that in non-GER group ( P ＜ 0. 05 ). Conclusion CPAP treatment can significantly improve quality of life, rather than pulmonary function, in patients of OSAS accompanying with asthma, especially in those with GER symptoms.

Objective To assess the impact of preoperative ureteral stenting on outcome of flexible ureteroscopic lithotripsy . Methods The clinic data of flexible ureteroscope lithotripsy were analyzed retrospectively .All 52 eligible patients were divided into three group :goup A(no preoperative ureteral stenting );group B (preoperative ureteral stenting for 3-10 days);group C(preopera‐tive ureteral stenting for two weeks or more ) .The application of ureteral access sheath ,operation time ,stone free rates ,hospital stays ,complications were compared among the three groups .Results There were no significant differences in aging ,gender ,stone size , distribution ,average hospitalization days ,postoperative complications among the three groups (P>0 .05) .There were significantly differ‐ences between group A and group B ,group C(P<0 .05) ,and there were no difference between group B and group C (P>0 .05) on the suc‐cess rate of indwelling ureteral access sheath ,average operation time ,stone free rate .Conclusion Preoperative ureteral stenting could en‐hance the success rate of indwelling ureteral access sheath ,shorten the operation time ,improve the stone free rate .There was similar out‐come of flexible ureteroscopic lithotripsy between preoperative ureteral stenting for 3-10 days and two weeks or more .

Objective To compare the effect and safety of digital flexible ureteroscopic lithotripsy and per-cutaneous nephrolithotomy for renal calculi. Methods Clinic data of 105 cases with kidney stones were analyzed retrospectively, including 53 cases with digital flexible ureteroscopic lithotripsy (group A) and 52 with minimally invasive percutaneous nephrolithotomy (group B). The operative time, intraoperative blood loss, stone-free rate, complications, average hospitalization time were compared. Results There were no significant differences in age, gender, stone size, stone surface area, average operative time, stone-free rate and complications between two groups. Significant differences were found between group A and group B in terms of intraoperative blood loss and average hospitalization time. Conclusions Digital flexible ureteroscopic lithotripsy has similar effect as minimally invasive percutaneous nephrolithotomy for the treatment of kidney stones about 20 mm in terms of average operative time, stone-free rate, and complications, but excels minimally invasive percutaneous nephrolithotomy in intraopera-tive blood loss and average hospitalization time. Digital flexible ureteroscopic lithotripsy can be the first choice for the treatment of kidney stones about 20 mm.

Objective: To investigate the infection state of hepatitis C virus genotype 6a in China.Methods: Three(95,126,150)HCV genotype 6a serum samples were identified by digesting 5′NCR with compound enzyme method.Then,HCV 5′NCR and NS5B fragments were amplified from these samples by RT-PCR assay and sequenced.The phylogenetic trees of the samples were analyzed and compared with 24 HCV complete gene sequences from GenBank.Results: The sequencing reports on 5′NCR showed "CA" bases in 3 serum samples(95,126,150) were inserted into-145 site,and the sequences of 3 serum samples had the highest homology with sequence Y12083(0.934,0.930,and 0.926,respectively).The results of the phylogenetic trees suggested these 3 serum samples belonged to HCV genotype 6a.The sequencing reports on NS5B showed the 3 serum samples also had the highest homology with HC-J4(0.934,0.930,and 0.926,respectively),and the results of the phylogenetic trees suggested these 3 serum samples belonged to HCV genotype 1b.To exclude the influence of amplification efficiency of primers,NS5B fragments were amplified by HCV genotype 6a specific primers and no amplification products appeared.Conclusion: There are different results of HCV genotype by analyzing 5′NCR and NS5B in 3 samples infected with HCV genotype 6a.It may be related with gene recombination.It suggests HCV genotype should be analyzed on more than two regions.

Aim To investigate the effect of intracerebroventricular morphine postconditioning against ischemia-reperfusion injury in rat heart and the mechanism of the central nervous system opioid receptor.Methods Forty-two Sprague-Dawley Rats were established intracerebroventricular catheter placement and myocardial ischemia/reperfusion models and randomly assigned to 7 groups:Sham group(Sham),control group(CON),intravenous control group(VCON),morphine postconditioning group(POC),intracereborventricular morphine postconditioning group(MOC).According to the dosage of intracerebroventricular morphine(3 ?g?kg-1,0.3 ?g?kg-1,0.03 ?g?kg-1),MOC group was assigned to three groups :MOC 1,MOC 2,MOC 3.Infarct size(IS),a percentage of the area at risk(AAR) was determined by triphenyltetrazolium(TTC) staining.c-fos expression in nucleus of tractus solitarius was determined by immunohistochemical method and Cardiac TroponinI(cTnI) of serum was observed at 120 min of reperfusion.Results Compared with control group,IS,IS/AAR and cTnI were significantly reduced in POC and MOC groups(P0.05).c-fos expression in nucleus of tractus solitarius were significantly reduced in MOC 2,POC(P

Objective To investigate the changes of average body weight gain and serum biochemical indexes of C57BL/6J mice (B6 mouse) and their offspings after frozen-thawed embryo transfer of B6 mice.Methods The mice were divided into three groups in this study.In the experimental group I (E-I,30 males and 20 females),2-cell embryos after in-vitro fertilization were collected,and cryopreserved by EFS method,then obtained the offsprings after transplantation of the recovered embryos to oviduct of recipient mice (ICR mouse).In the experimental group II (E-II,26 males and 17 females),when the mice from E-I grew to maturity,the offsprings were obtained from natural mating of mice from E-I.In the control group (20 males and 20 females),the offsprings came from conventional feeding and natural mating.The three groups of mice were raised to 16 weeks old,weighing the body weight at a regular time intervals,and the serum biochemical indexes were obtained from 16-week-old mice.Then the changes of average body weight and serum biochemical indexes of the mice were analyzed.Results The average body weight of E-I mice was significantly higher than that of control group at each week-age (P<0.01).The average body weight of E-II female mice was significantly higher than that of the control group in 12-16-week old mice (P<0.01),but the average body weight of E-II male mice showed no significant differences compared with the control group except for few weeks.The serum biochemical indexes of E-I and E-II mice were changed in all items except for AST,TP and Ca.Conclusions There are some effects on the average body weight gain and serum biochemical indexes of C57BL/6J mice and their offspings after frozen-thawed embryo transfer.

Objective To investigate the clinical characteristics of systemic lupus erythematosus (SLE) and the situation of diagnosis after onset. Methods Three hundred outpatients diagnosed with SLE were investigated in the People's Hospital, the Third Hospital of Peking University, Xinjiang People's Hospital and the Affiliated Hospital from May to July 2008, including gender, age of onset, clinical manifestations and the site of first hospitalization. Results ① In the cross-sectional study, 300 SLE patients were investigated. The male-to-female ratio was 1:13. ② The most common manifestations at onset were arthritis (46.3%), rash (34.%) and fever (32.7%). Lupus nephritis was found to occur in a significantly higher frequency in male patients than female as the initial manifestation. 60.9% patients had lupus nephritis in the first year after onset. ③ 99.1% of the patients were correctly diagnosed after visiting rheumatologists. 23.7% of the SLE patients were not correctly diagnosed for more than one year after disease onset. Conclusion Arthritis, rash and fever are the most common initial clinical manifestations of SLE. Lupus nephritis is more commonly seen in male SLE patients than female at the disease onset. The diagnosis of lupus is delayed in certain proportion of patients.

Objective To observe the sedation and analgesia in surface anesthesia in conscious glossopha-ryngeal LMA for the clinical effect of laparoscopic hysterectomy.Methods 90 patients undergoing elective laparo-scopic total hysterectomy were randomly divided into three groups,30 cases in each group.The observation group (group A):sedation,analgesia,full surface anesthesia,control group 1 (B group)control group 2 (group C)were treated with endotracheal intubation under general anesthesia.At intubation and pull tube stage,the patients'reaction, hemodynamic changes,pneumoperitoneum 1 h blood gas and perioperative complications were observed.Results The mean arterial pressure(MAP)and heart rate(HR)of A group were (92.7 ±10.6)mmHg and (82.8 ±12.1)/min. Those of B group were (98.4 ±11.6)mmHg,(89.1 ±11.4)/min,C group were (111.2 ±12.5)mmHg,(104.1 ± 13.2)/min,those in A group and B group were better than C group(A group and C group,t =6.18,6.52,P <0.01;B group and C group,t =4.11,4.71,all P <0.01).The pulse oxygen saturation(SpO2 )and peak airway pressure (Paw)of A group were (99.6 ±0.4)and (17.3 ±2.1)mmHg,those in group B were (99.5 ±0.5)% and (17.6 ± 2.0)mmHg,group C were (99.5 ±0.5)% and (22.5 ±2.8)mmHg.The differences between A group and B group were statistically significant(compared with C group,t =14.3,8.14,all P <0.01;B group and C group,t =12.7, 7.78,all P <0.01).The incidence rates of perioperative complications and adverse reactions of A,B,C groups were 27%,33%,67%,that in C group was significantly higher than A group and B group(χ2 =9.64,6.67,all P <0.01). Conclusion The laryngeal mask airway was used for laparoscopic total hysterectomy under the condition of sedation and analgesia,and it can shorten the time of the whole body,prevent the difficulty of intubation,emergency airway and anesthesia related complications.

Objective To compare the effects of different transplantation sites on the outcome of testicular grafts in mice, and to provide a basis for development and application of this technique in relevant research .Method 5-day old and 4-week old SPF male C57BL/6J mice were used in this study .Three groups of testicular transplantation , i.e.dorsal subcutaneous transplantation ( 5 mice, 40 testes ) , transplantation inside the testicular tunica albuginea ( 6 mice, 12 testes), and were subrenal capsule transplantation (10 mice,15 testes) groups were set up for evaluating the effect of transplantation site on the outcomes in mice .Sham operation (4 mice) and castration (4 mice) groups were also used in this study.The mice were sacrificed at 8 weeks after transplantation and the transplanted testes were collected for analysis of their weight, transplant survival, weight gain, and germ cell differentiation.Results There were significant differences of the testicular germ cell differentiation in different transplantation groups .The germ cell differentiation was best in the in-tra-tunica albuginea transplantation group , and were similar to that in the sham operation group .The germ cell differentia-tion rate was 100%in the intra-tunica albuginea transplantation group , 29.2% in the subcutaneous transplantation group and 0%in the subrenal capsule transplantation group .Conclusions Transplantation beneath the testicular tunica albug-inea is the most favorable site for germ cell differentiation , and dorsal subcutaneous transplantation is an alternative choice . Subrenal capsule transplantation is not appropriate for preservation of male reproductive organs in mice .

Objective To assess the safety and feasibility of CT-guided percutaneous argon-helium cryoablation in the treatment of adrenal tumors.Methods 1 7 patients with adrenal tumors were treated with CT-guided percutaneous argon-helium cryoablation. Three of these patients were retreated second cryoablation three months later due to the lager tumor diameters.Percutaneous tran-scatheter arterial embolization was performed in four patients because of rich blood supply before cryoablation.Continuous arterial blood pressure monitoring was performed in eight pheochromocytoma patients.Results Technical success was achieved in all pa-tients.There were no serious complications.Eight pheochromocytoma patients experienced a significant increase in systolic blood pressure and diastolic pressure when compared with the basic values (P <0.05).There were no enhancement on enhanced CT and/or up-take on FDG PET-CT in the ablated zones during the follow-up period (3-24months).Conclusion It is safety and efficacy of CT-guided percutaneous argon-helium cryoablation for adrenal tumor.It might be initial treatment of choice for the patients who were not suitable for resection.