1.Effect and risk factors for corneal endothelial cells after phacoemulsification in diabetic cataract patients
Mo-Han, LI ; Xiao-Lin, FU ; Wen-Fang, YANG
International Eye Science 2016;16(6):1048-1051
? AIM: To investigate the influence of phacoemulsification on corneal endothelial cells and its injury risk factors in diabetic cataract patients.?METHODS: From January 2013 to October 2015, 186 diabetic cataract patients ( 224 eyes ) as diabetes group and 190 patients with simple cataract ( 227 eyes ) as control group in our hospital were enrolled. All patients received phacoemulsification combined with intraocular lens implantation. Observation of corneal endothelial cell density, coefficient of variation and percentage of hexagonal cells preoperatively, 1d, 1wk, 1 and 3mo postoperatively were carried out, and multiple Logistic regression analysis for risk factors of corneal endothelial cell injury was taken.?RESULTS: There were no significant difference in the density of corneal endothelial cells, the coefficient of variation and the percentage of hexagonal cells between the two groups before surgery (P>0. 05). Each time point after operation corneal endothelial cell density and the percentage of hexagonal endothelial cells of diabetes group were significantly lower than the preoperative and those of control group ( P < 0. 05 ). Each time after operation endothelial cell coefficient of variation of diabetes group were significantly higher than the preoperative(P<0. 05). The endothelial cell coefficient of variation in diabetes group of the 1wk, 1 and 3mo after operation were significantly higher than those of the control group ( P<0. 05 ) . Corneal endothelial cell density and percentage of hexagonal cells of the control group at 1wk, 1 and 3mo after operation were significantly lower than the preoperative ( P<0. 05 ). The endothelial cell coefficient of variation of control group at 1wk, 1 and 3mo after operation were significantly higher than the preoperative(P<0. 05). Single factor analysis showed that age, shallow anterior chamber, long ultrasonic time, short eye axis, high energy ultrasonic, high cumulative released energy, a lot of perfusate and nuclear hardness ≥ grade Ⅲ associated with corneal endothelial cell injury ( P< 0. 05 ) . Multivariate Logistic regression analysis showed that age, long ultrasonic time, high ultrasonic energy, high cumulative released energy and nuclear hardness ≥ grade Ⅲ were the risk factors of corneal endothelial cell injury, the OR value and 95%CI were 1. 742 (1. 056-2. 682), 1. 958 (1. 227-3. 135), 2. 064(1. 274-3. 256), 2. 585(1. 493-3. 682), 2. 193 (1. 348-3. 316).?CONCLUSION: The injury of corneal endothelial cells after phacoemulsification in diabetic cataract patients is more serious than in patients with simple cataract. Age, long ultrasonic time, high ultrasonic energy, high cumulative released energy and nuclear hardness ≥grade Ⅲ are the risk factors of corneal endothelial cell injury.
2.Content Determination of Chlorogenic Acid,Protocatechuic Acid and Total Phenolics in Chaenomeles sinersis from Different Areas
Yu HAN ; Mo YANG ; Xiaomei XIE ; Jingjing CHENG ; Jian WANG
China Pharmacy 2015;(24):3399-3402,3403
OBJECTIVE:To establish a method for the content determination of chlorogenic acid,protocatechuic acid and total phenolics in Chaenomeles sinensis,compare the content of total phenolics and 2 phenolic acids from different areas. METHODS:Wavelength switching HPLC method was conducted to determine the chlorogenic acid and protocatechuic acid. The column was Shim-pack CLC-ODS(M)with the mobile phase of acetonitrile-0.1% phoephoric acid(15∶85,V/V),the detection wavelength was 259 nm(for protocatechuic acid)and 325 nm(for chlorogenic acid)and the switching time was 14 min. With the index of proto-catechuic acid,Folin-Ciocalteau colorimetric method was conducted to determine the total phenolics. RESULTS:The 2 methods of quantitative analysis showed that the precision,repeatability,recoveries and standard curves were all validated by methodology. The mass fraction of total phenolics was 0.87%-3.77% with the average of 2.16%;the chlorogenic acid was 0.053%-0.387% with the average of 0.192% and the protocatechuic acid was 0.024%-0.541% with the average of 0.087%. The order of total phenolics content in C. sinensis from different areas was Yunnan>Anhui Xuancheng>Sichuan>Hubei and the order of total amount of chlo-rogenic acid and protocatechuic acid from different areas was the same as the total phenolics. There were differences among the con-tents of C. sinensis from different areas,however,the positive correlation was found between the content of total phenolics and the total amount of chlorogenic acid and protocatechuic acid with the pearson correlation coefficient of 0.719(P<0.01).CONCLU-SIONS:The established method is simple,accurate and reproducible and can be used for the content determination of chlorogenic acid,protocatechuic acid and total phenolics in chaenomelis fructus.
3.Mucoceles in Post-operative Maxillary Sinuses: CT and MR Findings.
Moon Hee HAN ; Man Chung HAN ; Kee Hyun CHANG ; Kyung Mo YEON ; Yang Gi MIN
Journal of the Korean Radiological Society 1994;30(3):431-435
PURPOSE: This study describes the CT and MR findings of mucoceles occurred in the post-operative maxillary sinuses. MATERIALS AND METHODS: CT and/or MR of 19 maxillary mucoceles in 16 patients who had been operated by CaldwelI-Luc procedure were reviewed. CT scans were performed after contrast enhancement in axial and coronal planes with 5mm thickness. Three cases were studied with a 2.0 T or 0.5 T MRI, which demonstrated multi-compartment lesions. RESULTS: The lesions were bilateral in 3 cases. Compartmentalization of the antral cavity was seen in 7 out of 19 involved sinuses. Surgical bone defect of the anterior wall was the most frequent route of extension (11 cases) and extension into the infratemporal fossa with erosion of posterolateral wall was seen in 7 lesions. In 6 cases, the lesions involved orbit. The expansile and erosive bone changes were localized in every case. In one case with multi-compartment lesion, both T1- and T2-weighted MR images showed different signal intensities in each compartment which represented different protein concentration. CONCLUSION: Post-operative maxillary mucocele showed CT findings of localized erosion and bulging most frequently at the anterior wall in which the bone windows were made during the previous surgery. Post-operative compartmentalization of maxillary antrum may cause eccentric expansion of mucocete and each compartment may show different signal intensities on MR.
Humans
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Magnetic Resonance Imaging
;
Maxillary Sinus*
;
Mucocele*
;
Orbit
;
Tomography, X-Ray Computed
4.Value of modified foley catheter method in the removal of blunt esophageal foreign bodies.
Kyung In KIM ; Yoo Mi CHA ; Heon HAN ; Dal Mo YANG ; Hyung Sik KIM ; Young Seok LEE
Journal of the Korean Radiological Society 1993;29(4):844-848
Removal of blunt esophageal foreign bodies using Foley catheter under a fluoroscopic guidance is a well-recognized procedure. However, since this procedure is rather cumbersome and uncomfortable to the patient, the authors tried to find an easier and more convenient modified technique. For 10 patients with esophageal foreign body, we tried the method to the patients who is lying in the right lateral decubitus position and 3 assistants hold head. arms, trunk and legs of the patients without tilting the table and without using immobilizer. Foley catheter is inserted through nostril, nasal cavity and pharynx to esophagus. In order to identify the Foley catheter in esophagus, 0.025 inch short wire was inserted in the Foley catheter. The balloon of a Foley catheter was inflated by 10cc of air, and the syringe was kept attached to the Foley catheter during the procedure. After passage of the foreign body through the upper esophageal sphincter, the balloon was deflated immediately and the foreign body was removed through the mouth. We successfully removed in removing all the blunt esophageal foreign body with ease. This modified method is also fast, safe and efficient.
Arm
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Catheters*
;
Deception
;
Esophageal Sphincter, Upper
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Esophagus
;
Foreign Bodies*
;
Head
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Humans
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Leg
;
Methods*
;
Mouth
;
Nasal Cavity
;
Pharynx
;
Syringes
5.Effect of sodium hyaluronate on prevention of osteoarthritis.
Nam Hyun KIM ; Chang Dong HAN ; Hwan Mo LEE ; Ick Hwan YANG
Yonsei Medical Journal 1991;32(2):139-146
The changes in the surface of articular cartilage of femoral condyle from rabbits were evaluated after degenerative changes were made by the technique advocated by Hulth. The medial collateral and both cruciate ligaments were excised, and a medial menisectomy was done. Then the right knee joint was injected with 1 ml of Na-hyaluronate gel every two weeks. The animals were sacrificed at two, four, six, eight, or sixteen weeks postoperatively. After sacrifice, the medial femoral condyle was excised and prepared for the light microscopic and scanning electron microscopic study. At eight to sixteen weeks, there were chondrocyte clones with clefts to the radial zone and increased loss of the height of articular cartilage on the control side; but, on theexperimental side there was a significant delay and lessening of the arthriticresponse. The biocompatibility and the protective effect of joint degeneration of this device make this material a valuable adjuvant in the treatment ofosteoarthritis and the traumatized joints.
Animals
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Cartilage, Articular/drug effects/ultrastructure
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Disease Models, Animal
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Gels
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Hyaluronic Acid/*therapeutic use
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Knee Joint/drug effects/ultrastructure
;
Microscopy, Electron, Scanning
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Osteoarthritis/*prevention & control
;
Rabbits
;
Support, Non-U.S. Gov't
6.Solid pseudopapillary tumor with hepatic metastasis.
Woo Seok NAM ; Yong Sung WON ; Dong Do YOU ; Jin Mo YANG ; Jee Han JUNG
Journal of the Korean Surgical Society 2011;81(Suppl 1):S55-S58
Solid pseudopapillary tumor of the pancreas is a rare tumor that affects young females with low malignant potential and good prognosis with more than 90% survival at 5 years. Metastasis is very rare. We report the case of a 74-year-old female who had pancreatic solid-pseudopapillary tumor and synchronous hepatic metastasis.
Aged
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Female
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Humans
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Neoplasm Metastasis
;
Pancreas
;
Pancreatic Neoplasms
;
Prognosis
7.A Case of REM (Reticular Erythematous Mucinosis) Syndrome.
Joon Mo YANG ; Kyu Han KIM ; Seon Hoon KIM ; Yoo Shin LEE
Korean Journal of Dermatology 1983;21(5):601-605
We present a case which seems identical to REM(Reticular Erythematous Mucinosis) syndrome in 26 year-old male. The lesion was initiated about 2 years ago and waxed and waned. The clinical findings were localized, grouped, erythematous papules and vesicles on the anterior middle chest with intermittent mild itching. Histopathology showed normal epidermis, extensive mucin deposition, telangiectasia and mild perivascular round cell infiltrations on the upper dermis. The mucin was stainable with alcian blue at pH 2. 5, but was not stained by either PAS or mucicarmine. Skin lesions were not responded to the oral steroid, but improved slowly after topical application of 5% para-aminobenzoic acid in ethanol for 9 months. The lesion does not recur until present time.
4-Aminobenzoic Acid
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Adult
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Alcian Blue
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Dermis
;
Epidermis
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Ethanol
;
Humans
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Hydrogen-Ion Concentration
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Male
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Mucins
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Pruritus
;
Skin
;
Telangiectasis
;
Thorax
8.Comparative evaluation of excretory urogram and sonogram in renal tuberculosis.
Ju In HAN ; Dong Ho LEE ; Dal Mo YANG ; Young Tae KO ; Jae Hoon LIM
Journal of the Korean Radiological Society 1991;27(6):856-860
No abstract available.
Tuberculosis, Renal*
9.Beast reconstruction using TRAM flap after nipple sparing subcutaneous mastectomy in breast paraffinoma ; report of 2 cases.
Hyeon Seok RYOO ; Han Soo KIM ; Youn Mo YANG ; In Suck SUH
Journal of the Korean Society of Aesthetic Plastic Surgery 2000;6(2):131-135
No Abstract Available.
Breast*
;
Mastectomy, Subcutaneous*
;
Nipples*
10.ANALYSIS OF NASAL TIP PLASTY.
Han Soo KIM ; Hyun Seock RYU ; Taek Kyu KIM ; Youn Mo YANG ; In Seock SUH
Journal of the Korean Society of Aesthetic Plastic Surgery 1999;5(2):320-328
Since the nose is the most prominent part in the face, the plastic surgeons are interested in the continued effort for rhinoplasty. Nasal tip projection is essential to optimal nasal for the patient's face. But, the nasal tips of Orientals are characterized by bulbous appearance due to thick and tense skin, flaring of nostril. and restriction of nasal tip projection due to underdevelopment of medial crus of alar cartilage and short columella. Most orientals want to correct their nasal tip as well as shape of nose. We present clinical cases of various nasal tip deformities which were corrected with various operative methods through either alar rim incision of open rhinoplasty incision depending upon the severity of tip deformity in order to achieve more natural tips and good nasal tip projection. And the clinical cases were categorized into causes of nasal tip deformity and methods of nasal tip augmentation. We are reporting these reporting these cases with review of literatures.
Cartilage
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Congenital Abnormalities
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Nose
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Rhinoplasty
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Skin
;
Transcutaneous Electric Nerve Stimulation