1.Serum omentin-1 concentration and bone mineral density in postmenopausal women
Yunlin ZHANG ; Yuexia JIANG ; Siyuan TANG
Journal of Central South University(Medical Sciences) 2014;(4):389-394
Objective: To determine the relationship between serum omentin-1 concentration and bone mineral desity in postmenopausal women, and the adipose influence of tissue on bone mineral density (BMD). Methods: BMD values of 336 participants were measured by dual-energy-x-ray absorptiometry (DEXA) at various skeletal sites: the anteroposterior spine, femeral neck, total hip (T-hip) and total body BMD (TBMD). Body compositions including lean tissue mass (LTM) and body fat mass (FBM) were measured by DEXA. hTe plasma concentrations of adipocytokines (omentin-1, adiponectin,leptin,resistin,visfatin, andapelin) were measured by ELISA. Results: hTe overweight and obese groups had higher T-hip,femerol neck, intertrochanter BMDthan the nomal weight group. Plasma omentin-1 was negatively correlated with anteroposterior spine, femeral neck, trochanter, intertrochanter, T-hip and Ward’s BMD, after adjustment for age, BMI and fat body mass, and the correlation was not significant. Multiple stepwise regression anlysis revealed that lean body mass, menopause duration and estrogen level were the most important variables affecting the BMD and each explained 12.2%–13.7%, 6.9%–13.1%, 0.9%–1.7% of the variance. Serum adiponectin was independently associated with T-hip, lumbar spine and total BMD. Conclusion: Plasma omentin-1 is not significantly correlated with BMD in postmenopausal women. Lean body mass, menopause duration and estrogen level are the most important variables affecting the BMD. Serum adiponectin is an independent predictor of T-hip, lumbar spine and total BMD.
2.The improvement of the diagnostic indicators for neonatal infectious diseases
Yunlin SHEN ; Limei ZHANG ; Wenjuan TANG
International Journal of Pediatrics 2010;37(3):279-282
With the developing of the immunology,genetic diagnosis, and flow cytometry technology, the diagnosis of neonatal infectious diseases have been a lot of new improvement.Serum amyloid protein A,interferon-gamma-inducible protein 10 and triggering receptor expressed on myeloid cells-1 may be valuable in neonatal infectious diseases. Detection of the bacterial genes by gene chip hybridization technology can diagnose neonatal septicemia rapidly. Each of the diagnosis indicators for infection has their respective clinical and laboratory features. The comprehensive understanding of the biological characteristics,sensitivity,specificity of each indicator, and continuous and joint monitoring of several indicators can improve the diagnostic sensitivity and negative predictive value. It is the direction of infectious diseases diagnosis in future.This paper reviews the current diagnostic indicators for neonatal infectious disease.
3.Double balloon enteroscopy in diagnosis of small bowel Crohn’s disease
Jie ZHONG ; Chenli ZHANG ; Chengrong JIN ; Yun CAO ; Shu ZHANG ; Yonghua TANG ; Yunlin WU
Chinese Journal of Digestive Endoscopy 2001;0(02):-
Objective To evaluate the diagnostic efficiency of double-balloon enteroscopy in small bowel Crohn’s disease. Methods In sixty five patients with suspected small bowel Crohn's disease double-balloon enteroscopy were performed, and some of them received enteroscopy and enteroclysis, capsule endoscopy as well.Results The first enteroscopy was performed via mouth in 20 of 65 cases, and the lesions were detected in 11 cases (55%), 5 of 9 cases(55.6%) had lesions detected in enteroscopy via anus while nothing was found in mouth route. Among 45 cases examed by enteroscopy firstly via anus, 34 cases had lesions detected (75.6%), 8 of 11 cases(72.7%) had lesions found in following exam via mouth. Totally 58of 65 had lesions detected through enterosocpy examination, the overall diagnostic yield was 89.2%. Twenty four of 46 cases had positive findings with enteroclysis. The diagnosis of Crohn's disease was comfirmed in 14 of 22 patients(63.6%) underwent capsule endoscoy. The diagnosis was finally confirmed by enteroscopy only in 11 patients(78.6%).Conclusion The entire small intestine could be examined by enteroscopy with combination of mouth and anus route. Double-balloon enteroscopy was an ideal diagnostic modality for small bowel Crohn's diseases, which was also valuable in assessment on extent and severity of the disease. Small bowel enteroclysis was a useful screening alternative for selecting procedure route in DBE.
4.Narrow-band imaging system with magnifying endoscopy in differentiating colorectal neoplasms from non-neoplasms
Pin YIN ; Aoshuang HUANG ; Renling ZHANG ; Bei SHI ; Min ZHONG ; Bing LI ; Heping WU ; Zhipeng TANG ; Yunlin WU
Chinese Journal of Digestive Endoscopy 2009;26(2):83-87
Objective To observe the meshed capillary pattern(CP)on the surface of colorectal lesions by narrow-band imaging system with magnifying endoscopy(NBI-ME),and to distinguish neoplasm from non-neoplasm by the change of capillary patterns.Methods A total of 144 colorectal lesions in 102 patients detected by conventional colonoscopy were evaluated by NBI-ME to observe the CP on surface,and by staining magnifying colonoscopy to observe the pit pattern.Results All lesions were resected endoscopically (129/144)or by surgery(15/144),and the pathological evaluation diagnosed 30 cases of non-neoplasm (including 20 cases of hyperproliferative polyps and 10 of inflammatory polyps)and 1 14 cases of neoplasm (including 95 cases of adenoma and 19 cases of adenocarcinoma).The diagnostic accuracy rate,sensitivity and specificity of conventional colonoscopy were 75.7%,85.1%and 40.O%,respectively,which were significantly lower than those of NBI-ME and staining magnifying colonoscopy(P<0.005),while there was no significant difference between NBI-ME and staining magnifying colonoscopy.The CP of type Ⅰ,Ⅱ,Ⅳ and Ⅵa were totally correspondent with pit pattern of type Ⅰ,Ⅱ,Ⅳ and ⅤI. Conclusion NBI-ME findings of colorectal lesions correlated with those of staining magnifying colonoscopy.These two techniques are both helpful in differentiating colorectal neoplasms from non-neoplasms.
5.Comparative study on diagnostic yield and accuracy of double balloon enteroscopy with barium enteroclysis and capsule endoscopy in patients suspected with small bowel tumors
Jie ZHONG ; Chen-Li ZHANG ; Yun CAO ; Bo SUN ; Shidan CHENG ; Shu ZHANG ; Yonghua TANG ; Yunlin WU ;
Chinese Journal of Digestion 2001;0(09):-
Objective To investigate the diagnostic yield and accuracy of double balloon enteroscopy, barium enteroclysis and capsule endoscopy in patients with suspicion of small bowel tumors. Methods Double balloon enteroscopy were performed in fifty nine patients with suspicion of small bowel tumors.The route of enteroscopy could be either via mouth or via anus.At the same time,34 and 17 out of 59 subjects received either barium enteroclysis or capsule endoscopy.The results of exams were analyzed independently and final diagnosis of each case was compared thereafter.Results Nineteen of 34 patients undergone the enteroclysis were diagnosed as small bowel tumor.The diagnostic yield was 55.9%.The diagnosis was finally confirmed by the enteroscopy in 12 cases,which indicated the accurate rate of enteroclysis was 63.2%(12/19).Double balloon enteroscopy detected tumors in 3 of 15 subjects with negative enteroclysis finding.The diagnostic yield of capsule endosocpy was 47.1%(8/17),and among the 8 cases diagnosis was comfirmed by the enteroscopy in 4 cases.Small bowel tumors were detected in 2 of 9 cases with negative capsule endoscopy findings.Thirty-six cases of small bowel tumor were detected by double balloon enteroscopy via a route(mouth or anus),and 16 patients were diagnosed after both route procedure.No small bowel tumor was found in 7 paitents.The overall diagnostic yield of enteroscopy was 88.1%.The diagnosis were all finally confirmed by pathological examination.No procedure-related complication were observed.Conclusion Double balloon enteroscopy is superior to enteroclysis and capsule endoscopy in diagnostic yield and accuracy for small bowel tumors.
6.Combined application of neuroendoscope and laparoscope in ventriculo-peritoneal shunt for treatment of communicating hydrocephalus.
Zhijun SONG ; Xiaolei CHEN ; Yunlin TANG ; Xinguang YU ; Jianfeng ZHANG ; Jin SUN ; Dingbiao ZHOU
Chinese Journal of Surgery 2015;53(10):772-775
OBJECTIVETo summarize the clinical efficacy of ventriculo-peritoneal shunt (VPS) assisted by neuroendoscopy and laparoscopy for treatment of communicating hydrocephalus.
METHODSFrom January 2010 to January 2014, 209 cases (male 93, female 116) who suffered communicating hydrocephalus performed VPS with neuroendoscopy and laparoscopy in Department of Neurosurgery of People's Liberation Army General Hospital. The age of the patients were from 7 months to 79 years (mean 38.1 years), average duration were 20 days to 4 years (mean (2.4 ± 0.7) months). Neuroendoscopy and laparoscopy were used to help respectively to place shunt catheter to better position, both in the ventricle and peritoneal cavity. The effect of subsequent shunt system survival was analyzed with Kaplan-Meier survival analysis.
RESULTSThere were 209 patients received 255 times of VPS. All operations were successfully completed. No craniotomy or open operation were needed for technical-related complications. Forty-six revisions were performed in all patients. After the operation, 203 patients with hydrocephalus improved at different level after surgery. Thirteen cases occurred intracranial hypotension syndrome and improved after the pressure adjusted. All patients were followed up for 1 month to 4 years, with a median follow-up time of 2.1 years, while the shunt system efficiencies were 91.0%, 86.7%, 83.9% and 82.0% respectively from the end of the 1st year to the end of the 4th year.
CONCLUSIONSFor VPS, neuroendoscopy and laparoscopy can respectively help to place shunt catheter to better position, both in the ventricle and peritoneal cavity. Hence, the combination of these two modalities can reduce the failure rate of shunt catheter insertion and has significant impact on shunt system survival.
Adolescent ; Adult ; Aged ; Catheters ; Child ; Child, Preschool ; Female ; Humans ; Hydrocephalus ; surgery ; Infant ; Laparoscopes ; Laparoscopy ; Male ; Middle Aged ; Neuroendoscopes ; Neurosurgical Procedures ; Ventriculoperitoneal Shunt ; Young Adult
7.Magnetic resonance three dimensional sampling perfection with application optimized contrasts using different flip angle evolution sequence for obstructive hydrocephalus: impact on diagnosis and surgical strategy modification.
Zhijun SONG ; Xiaolei CHEN ; Yunlin TANG ; Xinguang YU ; Shaen LI ; Xi CHEN ; Jun PENG ; Fangye LI ; Dingbiao ZHOU
Chinese Journal of Surgery 2015;53(11):860-864
OBJECTIVETo investigate the value of magnetic resonance three dimensional sampling perfection with application optimized contrasts using different flip angle evolution (3D-SPACE) sequences in diagnosis and surgical strategy modification for obstructive hydrocephalus.
METHODSFrom March 2013 to July 2014, there were 152 cases admitted in People's Liberation Army General Hospital suffered from hydrocephalus, including 88 male patients and 64 female patients aging from 8 months to 79 years. All patients were performed magnetic resonance T2WI and 3D-SPACE sequence scanning before operation. Surgical strategy was made after evaluation of 3D-SPACE sequence. Non-communicating hydrocephalus was treated with endoscopic third ventriculostomy (ETV) and communicating hydrocephalus was treated with ventriculo-peritoneal shunt. According to MR images of direct observation to site of obstruction to determine the detection rate. MRI 3D-SPACE and cranial CT examination were performed in regular follow-up studies.
RESULTSThe relevance ratio of 3D-SPACE for the diagnosis of non-communicating hydrocephalus was 98.3% (114/116), while the relevance ratio of conventional T2-weighted MRI was 72.4% (84/116). Among the 152 patients, there were 36 cases with cerebral aqueduct film obstruction, 22 cases with space-occupying lesions in pineal region, posterior part of the third ventricle, or space-occupying lesions in quadrigeminal bodies area, 10 cases with Dandy-Walker symptom, 18 cases with cyst of the anterior pool of the bridge, 16 cases with cysticercosis, 4 cases with cyst of lateral ventricle, 2 cases with cyst of fourth ventricle, 2 cases with space-occupying lesion in foramen ofmonro, 2 cases with foramen ofmonro atresia, 4 cases with craniopharyngioma, 36 cases with communicating hydrocephalus. There were 112 hydrocephalus cases (73.7%) were treated with ETV, without shunt catheter insertion in follow-up study from 1 to 18 months (average (14±9) months).
CONCLUSIONSFor obstructive hydrocephalus, MRI 3D-SPACE sequence image has high diagnostic yield rate for providing more detailed anatomical information than conventional MRI. Hence, the advanced imaging methods are helpful for surgical treatment strategy decision making.
Adolescent ; Adult ; Aged ; Child ; Child, Preschool ; Craniopharyngioma ; pathology ; Cysts ; pathology ; Female ; Follow-Up Studies ; Humans ; Hydrocephalus ; diagnosis ; surgery ; Imaging, Three-Dimensional ; Infant ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Pineal Gland ; pathology ; Third Ventricle ; Ventriculostomy ; Young Adult