· AIM: To compare the measurement of anterior chamber depth (ACD) and axial length (AL) by IOLMaster and contact ultrasonic (US) axial scan (A-scan).· METHODS: Measurements of ACD and AL were prospectively obtained in 137 eyes of 121 subjects with the IOLMaster compared with measurements with the US.· RESULTS: There was an excellent correlation between IOLMaster and US measurements for the ACD (r=0.823;P＜0.001) and AL (r=0.996;P＜0.001). The mean values of the parameters measured by IOLMaster and US were,respectively, as follows: ACD, 2.94±0.49mm, 2.58±0.51mm;AL, 24.37±3.04mm, 23.81±2.83mm. The mean differences of ACD and AL values between IOLMaster and US measurements were 0.36 ±0.30mm, 0.56 ±0.34 mm respectively, and they proved to be statistically significant (P＜0.001), With the 95%limits of agreement (LoA) from -0.08mm to +0.38mm for ACD and from -0.09mm to +0.69mm for AL.· CONCLUSION: As noncontact biometry, IOLMaster provides accurate values. A high degree of agreement between US and IOLMaster was noted. It not only has the advantage of performing noncontact examinations, but also produces various additional data simultaneously and may thus obviate the need for multiple examinations. Further studies are needed to assess the interchangeability of measurements in clinical practice.

Glycomics ; Liver Cirrhosis ; diagnosis ; metabolism

A strain of pseudomonas sp. L-11 could produce biosurfactants by use of glucose as substrate. The fermentation conditions in shaking flask and 1L fennentor were investigated. The optimal medium and (he fermentation technology were demonstrated. In 1L fermentor, the interracial tension between the diluent of L-11 (10%) and crude oil is 5.3?10~3mN/m, which is fit for microbial enhanced oil recovery. The scale-up technology of L-11 was also studied.

Adult ; Female ; Femoracetabular Impingement ; pathology ; Hip Joint ; pathology ; Humans ; Male ; Synovial Membrane ; pathology

OBJECTIVETo analyze and compare the characteristics of musculoskeletal ultrasonography and X-ray of knee osteoarthritis, and to investigate the advantages of them.

METHODSAccording to the inclusion and exclusion criteria, 57 cases (66 knees) were collected from February 2015 to May 2015. Among them, there were 48 females and 9 males with an average age of (58.9 +/- 9.8) years old (ranged, 41 to 78 years old). The main symptoms included unilateral or bilateral knee pain and locked joints explicit areas of tender points. The mean course of disease was (13.6 +/- 3.0) months. The results of musculoskeletal ultrasound and X-ray examinations were analyzed.

RESULTSAccording to Kellgren-Lawrence classification of knee joint on the X-ray: the musculoskeletal ultrasound results of patients with I degree synovial hyperplasia in 9 cases, joint effusion in 20 cases, meniscal disease in 13 cases, patellar pad inflammation in 5 cases, and patellar lesion in 8 cases. The musculoskeletal ultrasound results of patients with III degree: synovial hyperplasia in 20 cases,joint effusion in 31 cases, meniscal disease in 22 cases, patellar pad inflammation in 16 cases and patellar lesion in 17 cases. The musculoskeletal ultrasound results of patients with III degree: synovial hyperplasia in 6 cases,joint effusion in 6 cases, meniscal disease in 7 cases, patellar pad inflammation in 7 cases and patellar lesion in 5 cases.

CONCLUSIONThe musculoskeletal ultrasound can detect the pathological changes of knee soft tissue sensitively, provide an accurate location of lesions,and find lesions early. The musculoskeletal ultrasound should be applicated in the diagnosis of knee osteoarthritis.

Adult ; Aged ; Female ; Humans ; Knee Joint ; diagnostic imaging ; Male ; Middle Aged ; Muscle, Skeletal ; diagnostic imaging ; Osteoarthritis, Knee ; diagnosis ; diagnostic imaging ; Radiography ; Ultrasonography

OBJECTIVEThe aim of this study is to evaluate the relationship between the imaging patterns of endoscopy aided by iodine stain and histological diagnosis.

METHODSA balloon cytological screening was conducted in 4000 participants in high-risk area of esophageal cancer in 1997-1998, 1050 out of these 4000 participants were confirmed as abnormal by cytology. Among them, 867 were given endoscopy examination during which mucosal stain with 1.2% iodine solution was used. The stain images were graded as four categories: Grade 1, dark yellow, protruding inlay-like with clear borders and showing pink after discoloration; Grade 2, between grade 1 and grade 3; Grade 3, light yellow, flat lesion with clear but not sharp borders and Grade 4, dark-brown color. According to the above criteria, the lesions were recorded and graded after the examination. The biopsies were taken from the unstained lesions and underwent pathologic evaluation. A comparison between the imaging patterns of endoscopy aided by iodine stain and histological diagnosis was evaluated. The correlation coefficient was estimated using Spearman's Rank Correlation.

RESULTS94.4% (68/72) of the superficial carcinoma and severe dysplasia, 61.8% (73/118) of moderate dysplasia and 27.7% (35/126) of mild dysplasia were distributed in the grade 1 and grade 2 of iodine stain images of which the patterns conforming to the principle and rule of formation of the image by iodine stain.

CONCLUSIONThere is close relationship between the imaging patterns of endoscopy aided by iodine stain and histological diagnosis. The magnitude of exposure of the malignant tissue is the pathologic basis of formation of various images by iodine stain. Iodine stain greatly helps of early detection of esophageal cancer.

Biopsy ; Early Diagnosis ; Esophageal Neoplasms ; pathology ; Esophagoscopy ; methods ; Female ; Humans ; Iodine ; Male ; Precancerous Conditions ; pathology ; Staining and Labeling ; methods

OBJECTIVETo study soft tissue changes observed through musculoskeletal ultrasound (MSUS) in the treatment of knee osteoarthritis with needle-knife, so as to provide MSUS basis for needle-knife in the treatment of knee osteoarthritis.

METHODSForty patients with knee osteoarthritis treated in the Third Affiliated Hospital of Beijing University of Chinese Medicine from December 2011 to December 2012 were selected according to inclusion and exclusion criteria. All the patients were treated with needle-knife release method. The VAS scores and knee joint circumference were recorded before treatment and 2 weeks after treatment. The changes of knee joint hydrops articuli and joint synovial thickness were measured through MSUS.

RESULTSThe knee pain index was 6.850 +/- 1.417 before treatment and 2.790 +/- 1.299 after treatment;the index after treatment was lower than that of before treatment. The knee joint circumference was 407.320 +/- 45.151 mm before treatment and 391.240 +/- 41.129 mm after treatment; the knee joint circumference decreased after treatment. The amount of hydrops articuli observed by musculoskeletal ultrasound showed that 47 knees were cured, 19 knees improved and 2 knees failed. The synovial membrane thickness: 43 knees cured, 17 knees improved and 8 knees failed.

CONCLUSIONThe hydrops articuli and synovial thickness of knee joint of patients with knee osteoarthritis observed under the MSUS is consistent with the main symptoms and signs, which suggests that MSUS observation on soft tissue changes before and after needle knife in the treatment of knee osteoarthritis with high reliability.

Adult ; Aged ; Female ; Humans ; Knee Joint ; diagnostic imaging ; pathology ; Male ; Middle Aged ; Needles ; Osteoarthritis, Knee ; complications ; diagnostic imaging ; pathology ; surgery ; Pain ; complications ; Synovial Membrane ; pathology ; Treatment Outcome ; Ultrasonography

OBJECTIVEThe aim of this study was to observe the association between the occurrence of esophageal cancer lesions and esophageal mucosa fold (white ridges), and further identify where is the initial origin of esophageal cancer lesions in the esophagus mucosa.

METHODSThis was a cohort study which recruited 551 subjects underwent endoscopic examination in a high risk area of esophageal cancer in Linxian, Henan Province in 1987. 339 subjects with esophageal white ridges, and with red area or erosion lesion at the surface of the white ridges, was studied as exposure group. Other 212 subjects whose esophagus had no white ridges and pathological diagnosis was negative, was studied as control group. The endpoint was occurrence of pathologically confirmed esophageal cancer. After a 15-year follow-up, the results were compared between two groups.

RESULTSAmong the 551 subjects, there were 339 cases with esophageal mucosal white ridges in the exposure group. During the period of 15 year follow-up, the incidence of esophageal cancer was 11.8% (9/76) in 76 case with simple mucosal white ridges, 33.5% (88/263) in 263 subjects with white ridges and red area, or erosions on the surface of white ridge. While only 8.0% of subjects (17/212) developed esophageal cancer after the 15-year follow up in the control group. There was a significant difference between the two groups (P < 0.001).

CONCLUSIONEsophageal mucosal white ridge, especially white ridge with red area or erosions is closely associated with subsequent esophageal cancer occurrence in the esophageal cancer high risk area in China. It is suggested that esophageal mucosa with white ridge may be the initial origin of esophageal cancer. Further investigations focused on this spot are required.

Adult ; Aged ; Carcinoma, Squamous Cell ; epidemiology ; pathology ; China ; epidemiology ; Cohort Studies ; Esophageal Neoplasms ; epidemiology ; pathology ; Esophagoscopy ; Esophagus ; pathology ; Female ; Follow-Up Studies ; Humans ; Hyperplasia ; pathology ; Incidence ; Male ; Middle Aged ; Mouth Mucosa ; pathology ; Precancerous Conditions ; epidemiology ; pathology ; Prospective Studies

OBJECTIVETo study the clinical curative effect of the new Bian-stone therapy.

METHODSAccording to clinical trail principle of multi-centers, randomized grouping, parallel control and single-blind, the observation group (n=120) were treated by the new Bian-stone therapy, with multi-functional Bian-stone respectively dredging qi and blood of channels on the neck and shoulder, the shoulder and back, the limbs, and the control group (n=120) by electroacupuncture with Jianyu (LI 15), Jianliao (SJ 14), Jianzhen (SI 9), and other points selected. Their therapeutic effects were compared.

RESULTSThe two therapies had effects of analgesia, improving functional activity and transient analgesia. The total effective rate of the analgesic effect was 86.8% in the observation group and 72.5% in the control group with a significant difference between the two groups (P < 0.05), the observation group being better than the control group; the total effective rate of shoulder functional activity was 86.8% in the observation group and 79.8% in the control group with no significant difference between the two groups (P > 0.05).

CONCLUSIONThe new Bian-stone therapy has obvious therapeutic effect on scapulohumeral periarthritis, with effects of analgesia, improving functional activity, and transient analgesia, and good long-term therapeutic effect.

Adult ; Aged ; Electroacupuncture ; Female ; Humans ; Male ; Medicine, Chinese Traditional ; Middle Aged ; Periarthritis ; therapy ; Shoulder Pain ; therapy ; Single-Blind Method

OBJECTIVETo investigate risks and clinical effects of operative treatment for cervical vertebral fracture and dislocation associated with unilateral vertebral artery injury.

METHODSThis group consisted of 76 cases of closed cervical spine trauma combined with unilateral vertebral artery injury (23 cases of bilateral facet dislocation, 28 unilateral facet dislocation and 25 fracture). All patients underwent prospective examination of cervical spine MRI and vertebral artery two-dimensional time-of-flight (2D TOF) magnetic resonance angiography (MRA), and anterior cervical decompression. The healthy vertebral artery paths were evaluated before the surgery, and were protected during the surgery according to the anatomical signs.

RESULTSThere were no acute or chronic clinical damage symptoms in 76 cases after surgery. No neural damage symptoms were observed in patients with normal neural functions. The neural functions of incomplete paralyzed patients were improved in different grades.

CONCLUSIONSReliable anterior operation can produce good results for cervical fracture and dislocation with unilateral vertebral artery injury. Detecting the course of uninjured vertebral artery before operation and locating the anatomical site during operation are effective to avoid damaging vertebral artery of uninjured side.

Adolescent ; Adult ; Aged ; Aged, 80 and over ; Cervical Vertebrae ; injuries ; Child ; Female ; Humans ; Joint Dislocations ; surgery ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Spinal Fractures ; surgery ; Vertebral Artery ; injuries ; Wounds, Nonpenetrating ; surgery