Objective To explore the use of urine LH test paper associating basal body temperature in ovulation monitoring and conception guiding in anovulatory infertility.Methods We used clomiphene to treat 100 anovulatory infertility patients.Then we recorded basal body temperature and used urine LH test paper in morning to determine whethere there is urine LH peak between the 12th to 20th day of menstrual cycle.If the patient become pregnant,we stop observation.If not,we observed them until the third treatment cycle completed.Result Before treatment,both the urine LH test paper and basal body temperature showed there was no ovulation.After treatmend,we observed 199 menstrual cycle.There were urine LH peak in 149 menstrual cycle.And there were double phase body temperature in 158 treat cycle.The lowest body temperature appeared in the urine LH peak day or after it.71.1%of the lowest body temperature emerged in one or two days after the urine LH peak appeared.76 patients in our study become pregnant,pregnancy rate is 76%.Conclusion Urine LH test paper associating basal body temperature is convenient and easy tO learn.It is a good way in ovulation monitoring and conception guiding.

Objective To explore the clinical effect of small cell lung cancer(SCLC) treatment with recombinant human endostatin injection and cis-platinum complexes.Methods 100 patients with SCLC were divided into 2groups.The experiment group used cis-platinum complexes while the control group used recombinant human endostatin injection.Results The effective rate of experiment group was obviously higher than the control group ( 74.0％ vs60.0％,x2=2.16,P ＜ 0.05 ).The median survival time of experiment group was better than control group( t=2.02,P ＜ 0.05 ).The diverse of untoward effect of two groups had no difference ( P ＞ 0.05).Conclusion Recombinant human endostatin injection and cis-platinum complexes were better therapy for SCLC,which had stable effect,no severe untoward effect and overcome the drug-fast of cis-platinum complexes.

Objective:To determine the effects of angiogenesis in c ervical lymph node metastasis and progression of squamous cell carcinomas of gin giva (GSCC), and the distribution and expression of vascular endothelial growth factor (VEGF) in GSCC.Methods: Paraffin sections of surg ically obtained GSCC samples from 42 patients were stained with CD34 monoclon al antibody by immunohistochemical S P method to demonstrate blood vessels. Exp ression of VEGF was tested with the S P method, and the microvessel density (M VD) was determined according to the percent of the neoplastic cells showing VEG F immunoreactivity and the degree of staining.Results: The MVD in GSCC was significantly higher than that in normal gingival tissue( P 0.05). MVD in VEGF positive samples of GSCC was sig nificantly higher than that in VEGF negative ones ( P

Objective:To explore the change of the behaviour, cognition and emotion of the public in Beijing during different prevalence of SARS Method: "Questionnaire on SARS" was designed by authors Through e-mails or websites, 473 valid copies were collected in Beijing Result:Facing with SARS, the public in Beijing faced high pressure from the environment They concerned with the information on SARS very much, and adopted more self-protection behaviours, such as wearing masks, paying more attention on personal hygiene Some people also showed irrational behaviours, such as storing cashes and food, taking the temperature too much times within one day and so on As for the cognition, people thought they should adjust themselves psychologically in order to overcome SARS related problems without being panic When the SARS cases increasing, physical and psychological stricture made people feel more nervous, panic, helpless, angry and pessimistic, as well as less excited, calm and numb The cognition, behaviour and the emotion of Beijing's public varied along with the situation in Beijing and in China

BACKGROUND:Someone regards that treatments such as root canal therapy and post-core restoration can increase the fracture probability of teeth. Can fiber reinforced composite post enhance the fracture resistance of the severe wedge-shaped defected premolar? Three-dimensional finite element can simplify complex dental systems into a model analyzed by computer, and conduct biomechanical research through the model analysis. OBJECTIVE:To analyze the stress distribution of sever wedge-shaped defected first premolar which restored by fiber reinforced composite post and composite resin. METHODS:We established the three-dimensional finite element models of severe wedge-shaped defected maxil ary first premolar before and after restoration with fiber reinforced composite post and composite resin. The maximum bite force was designed to 267 N that was applied at 45° angle. Then, we analyzed the distribution of maximum principal stress in finite element models. RESULTS AND CONCLUSION:The maximum principal stress was concentrated in the tip of defected region. After restoration, the distribution of maximum principal stress was similar to that of the normal premolar, and the tensile stress was distributed uniformly in the upper-central part of buccal root. It may be beneficial for improving fracture resistance ability of severe wedge-shaped-defect premolar by restoration with fiber reinforced composite post and composite resin.

Objective To explore the curative effect of modified closed negative pressure drainage on abnormal abdominal incision. Methods Sity-three patients with abnormal healing of abdominal incision in our hospital from January 2012 to June 2013 were selected as the observation group. Another 50 patients from January to December 2011 were assigned to the control group. The former was treated after debridement with human recombinant surface growth factor and modified closed negative pressure drainage,while the latter after debridement with anti-infection and dressings of ethacridine or gentamicinsolution as well as with infrared therapy. The two groups were compared in terms of the frequency,time and cost of changed dressings,and the healing time of the incisions.Results There was insignificant difference in the cost of changed dressings between the two groups(P>0.05). However,the differences were statistically significant in terms of the frequency and time of changed dressings and the healing time of the incisions(P<0.05). The observation group was significantly superior to the control group.Conclusions Modified closed negative pressure drainage is effective in accelerating the healing in abnormal abdominal incisions,reducing the frequency and the time of changed dressings,and easing the economic burdens of the patients,which is suggested to be popularized and applicable in the pimary hospitals.

Objective To evaluate the effectiveness of mouth gag which can inserted into lavage tube during gastric lavage. Methods The Sixty- six cases of acute poisoning patients with gastric lavage according to random number table method were randomly divided into two groups, 33 cases in each group. Observation group used the inserted mouth gag, and the control group used the metal ones. Results The observation group were lower than the control group at the time required to insert the lavage tube [(2.23±0.19)s to (3.26±0.30)s] and the incidence of complication rate [18.2%(6/33) to 45.5%(15/33)], the oral cavity bleeding [6.0%(2/33) to 30.3%(10/33)], lavage tube displacement [0(0/33)to 24.2%(8/33)], lavage tube twisting[0(0/33) to 24.2%(8/33)], the difference was statistically significant (P<0.01), while higher in the rate of successful intubation[100.0%(33/33)] to [54.5%(18/33)], the difference was statistically significant, χ2=19.4,P<0.01. Conclusions The application of the mouth gag which can insert into gastric lavage improved the successful intubation rate, saved the rescue time, reduced the complication and improved the nursing quality.

Objective To summarize the clinical outcome of direct trans-scleral drainage by puncture with 25G needles in the external-route surgeries for primary retinal detachment. Methods Fifty-four consecutive cases of primary retinal detachment were treated by external-route surgeries. The subretinal fluid of 23 cases was drained by direct scleral puncture with 25G needles (25GND group), the other 31 cases underwent the conventional scleral incision and drainage(CD group). Postoperative complications, the single-operation retinal reattachment rate and functional outcome were recorded.Results Subretinal fluid was adequately drained in all cases. there was no significant difference in the single-operation retinal reattachment rate between 25GND and CD groups. In comparision to CD, 25GND significantly decreased postoperative complication rate (?2=4.729,P

Objective To investigate the feasibility of buccal mucosa swab method to isolate genomic DNA for au-tism spectrum disorders (ASD)-related genetic screening. Methods Buccal mucosa swabs and blood were collected from 41 children with ASD. Genomic DNA was extracted from either blood by using a commercial genomic DNA kit or buccal mucosa swab by using phenol-chloroform-isoamyl alcohol method. The concentration, total quality and purity of genomic DNA were compared between these two methods. Genotyping of the ASD-related methylenetetra-hydrofolate reductase (MTHFR) gene C677T locus was analyzed using PCR-restriction enzymatic digestion and sanger sequencing was per-formed for validation. Results The total quality [(5.87±2.58)μg vs. (2.00±0.92)μg] and concentration [(143.25±72.78) mg/L vs. (66.68±24.43) mg/L] of genomic DNA extracted from buccal mucosa swab were higher than that form blood (P<0.05), while the purity was not significantly different between these two methods (P>0.05). Genotyping analysis of MTHFR was also consistent between these two methods. Conclusion Buccal mucosa swab is a simple, non-invasive and reliable meth-od to obtain genomic DNA, which can partially replace blood for analysis of ASD-related gene polymorphisms.

PurposeTo investigate the feasibility and clinical value of 3.0T MRI iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) technique in imaging normal lumbosacral nerve roots.Materials and Methods Twenty-five healthy volunteers and 15 patients with lumbosacral pain were examined on MR scanner using IDEAL sequence thin-layer coronal scanning and reconstruction technique. The evaluation of bilateral lumbosacral nerve roots from L1 to S1 included the detection rate of lumbosacral nerve roots, the length of preganglionic nerve, the width and length of dorsal root ganglia (DRG) and the length of nerve root sheath.Results The anatomic structure and the contour of spinal nerve roots were well demonstrated on IDEAL sequence imaging, with 100% detection rate for preganglionic nerve and DRGs of nerves from L1 to S1 level, as well as the structures posterior to the ganglions from L3 to S1 level. The structures posterior to the ganglions at L1 to L2 level were shown as grade I in 12% and 42%, grade II in 16% and 32%, grade III in 72% and 26%. The length of preganglionic nerve, DRGs and nerve root sheath from L1 to S1 were gradually increased (P<0.05 orP<0.001). Normal lumbosacral nerve roots appeared as isointense linear structure in the nerve canals.ConclusionIDEAL sequence can depict the anatomic structure of the lumbosacral nerve roots and provide reference standards for lumbosacral nerve roots compression.