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김신윤(Kim, Shin-Yoon),김병국(Kim, Byoung-Guk),유경무(Yoo, Kyoung-Mu),김형진(Kim, Hyeong-Jin),박재식(Park, Jae-Sik),황수관(Hwang, Soo-Kwan) 대한생리학회 1981 대한생리학회지 Vol.15 No.1
In the present study, an effort was directed to elucidate the effect of osmolality on the absorption of ethanol in rabbits. A single dose of 13.67 ml(2. 16 gm ethanol/kg BW) of hypo-, iso-hyphen and hypertonic ethanol per kg BW was administered into the stomach to albino rabbits and the experiment was performed at 30 th, 60 th and 120 th minute. The blood ethanol level was determined by the method of Williams et al, and hematocrit(Hct) was determined by the conventional Hct centrifuge and reader. The results are summarized as follow. The blood ethanol level showed the highest value at 60 min after the ethanol ingestion in the hypo- and isotonic groups, 171.3±13.3 mg% and 204.5±23.0 mg% , respectively, but in the hypertonic group, the highest value was observed at 120min after the ingestion. The absorption rate of ethanol between 0 to 30 min after the ingestion of hypo- and isotonic ethanol was 88.54±12.04 and 94.73±8.33 mg/min , respectively, but a decreased value of 44.72±6.69 mg/min was noted after hypertonic ethanol ingestion comparing with hypo- and isotonic groups, The Hct value after hypo- and isotonic ethanol ingestion was decreased at 30 min but returned to the control level at 120 min. In contrast with hypo- and isotonic ethanol ingestion, hypertonic ethanol ingestion produced an increase of the Hct value at 30 min and returned to the control level at 120 min. The heart rate was increased but the respiratory rate was decreased after ethanol ingestion regardless of the osmolality.
Hydroxyapatite 코팅 인공 고관절 전치환술 -임상적 및 방사선학적 결과 최소 2년 추시-
김신윤(Shin Yoon Kim),오승훈(Seung Hoon Oh) 대한고관절학회 1999 Hip and Pelvis Vol.11 No.1
We evaluated radiographic results of 42 hips & clinical results of 51 hips that had a hydroxyapatite coated primary THR from March 1993 to August 1996. The mean age of patients was 47(range, 23- 63). The primary diagnosis for THR was osteonecrosis in 23 hips(45%), osteoarthritis in 18 hips(35%), and miscellaneous in 10. Patients have been followed up for an average of 44 months(range 25-70 months). The average Harris hip score was 53 points preoperatively and 91 points at the most recent follow-up. Excellent clinical results were in 40 hips(78%), good in 9 hips(18%), fair in 1 hip and poor in 1 hip.Six patients(12%) complained of thigh pain. All patients who complained of thigh pain had no trouble in daily activity. In radiographic evaluation, endosteal bone formation at proximal and mid portion of stems was noted in 36 hips(86%), reactive lines were seen at the non-coated region of the distal stem in 23 hips(55%). Cortical hypertrophy was seen in 11 hips(26%), calcar change in 39 (93%), stem subsidence in one(2%). No femoral osteolysis was observed. Reactive lines around the acetabular cup were seen in 12 hips(28%). Pelvic osteolysis occured in 4 hips(10%) and 1 cup had migrated. The mean rate of polyethylene linear wear was 0.19 mm/year(range 0.03-0.51). The estimated volumetric wear rate was 118.2mm3/year. Complications were nonrecurrent dislocation in 3 hips, proximal femoral fractures during surgery in 2 hips, deep vein thrombosis in two hips and pelvic screw breakage in one hip. No revision was performed for any reason. Minimum 2 year follow up results of HA-coated THR revealed excellent clinical results including a relatively low incidence of thigh pain, and good radiographic results in the young patient group. Early linear polyethylene wear was compatible with the rate of other cementless THR. However, long term follow-up for osteolysis and third body wear will be necessary.
김신윤(Shin Yoon Kim),김도헌(Do Heon Kim) 대한고관절학회 1999 Hip and Pelvis Vol.11 No.1
The purpose of this study was to evaluate the clinical and radiographic results of multiple drilling in treatment of osteonecrosis of the femoral head, according to anatomic location and the extent of the necrotic portion. The authors reviewed 40 hips of 29 patients which had been treated with multiple drilling, with a mean follow-up of 43 months(range, 24 to 82 months). There were 27 men and 2 women, with a mean age of 46 years(range 20 to 62 years). Associated etiologic factors included alcohol in 32 hips, steroid in 5 hips and idiopathic in 3 hips. The extent of necrosis and anatomic location were evaluated using the initial radiographic and magnetic resonance images(MRIs). According to the Steinberg classification, there were 3 in IA, 1 in IB, 3 in IC, 1 in IIA, 2 in IIB, 18 in IIC, 4 in IIIC, 7 in IVC and 1 in VC. According to the Ohzono classification, there were 2 in 1A, 5 in 1B, 26 in 1C, 3 in 2, 1 in 3A and 3 in 3B. There were 5 hips in which the Kerboul index was smaller than 151(group A), 12 hips between 151 and 250(group B) and 23 hips larger than 250(group C). There were 8 hips in which the index of necrosis by the Koo classification was smaller than 34(group D), 14 hips between 34 and 66(group E) and 18 hips larger than 66(group F). Clinical results were evaluated using the Harris hip score(HHS) method. Radiologaphic results were assessed according to the collapse of the femoral head and degeneration of the hip joint, at follow-up examinations. Overall, the clinical success rate of 55% and a radiographic success rate of 57.5% were obtained. According to the Steinberg classification, clinical and radiographic success rates were 100% in IA, 100% in IB, 66.7% in IC, 100% in IIA, 100% in IIB, 50% in IIC, 50% in IIIC and 28.6% in IVC. The clinical success rate was 0% and the radiographic success rate was 100% in VC. According to the Ohzono classification, clinical and radiographic success rates were 100% in 1A, 80% in 1B, 42.3% in 1C, 100% in 3A and 100% in 3B. The clinical success rate was 33.3% and the radiographic success rate was 66.7% in 2. According to the Kerboul index, clinical and radiographic success rates were 80% in group A and 39.1% in group C. The clinical success rate was 75% and the radiographic success rate was 83.3% in group B. According to index of necrosis, clinical and radiographic success rates were 87.5% in group D and 33.3% in group F. The clinical success rate was 64.3% and the radiographic success rate was 71.4% in group D. Radiographic success and survival rate at the 3 year follow-up were low in group C(p<0.05). The clinical and radiographic failure and conversion to arthroplasty rates were statistically high and the survival rate at the 3 year follow-up was low in group F(p<0.05). In conclusion, multiple drilling may be an effective method in hips with a Kerboul index lesser than 251, index of necrosis smaller than 67 and necrosis of only nonweight bearing areas in precollapse hips. However, its effectiveness is doubtful in postcollapse hips and hips with a Kerboul index of greater than 250, index of necrosis greater than 66 and necrosis of weight bearing areas in precollapse hips.
광범위한 대퇴골부 골괴사증에 대한 혈관부착 비골 이식술의 효과
김신윤 ( Shin Yoon Kim ),김도헌 ( Do Heon Kim ),조병채 ( Byung Chae Cho ) 대한고관절학회 1998 Hip and Pelvis Vol.10 No.2
The authors reviewed 25 hips of 19 patients treated with free vascularized fibular graft for extensive osteonecrosis of the femoral head (C lesion by Steinberg classification) with a mean follow up of 36 months (ranging from 24 months to 57 months). Sixteen men and three women ranged in age from 15 to 47 years (mean, 33.4 years). Associated etiologic factors included alcohol abuse (15 hips), steroid treatment (5 hips), idiopathic (4 hips), and trauma (1 hip). Clinical and radiological results were assessed according to etiologic factors and the classification of Steinberg. According to Steinberg classification, there were 11 in stage IIC, 2 in stage IIIC and 12 in stage IVC. Clinical results were evaluated using Harris hip score (HHS). Excellent or good results by HHS were obtained in 19 hips (76%). In precollapse stages (Steinberg classification IIC, IIIC), clinical successes were obtained in 12 of 13 hips (92.3%). Radiological results were assessed according to collapse of the femoral head and degenerative change of the hip joint. Radiological successes were obtained in 18 hips (72%) in over all [12 of 13 hips (92.3%) in precollapse stages and 7 of 12 hips (58.3%) in stage IVC]. In precollapse stages, radiological success was higher than that in postcollapse stage (Steinberg classification IVC) (p<0.05). Three of 12 hips (25%) in postcollapse stage were converted to total hip replacement. The etiologic factors didnt affect the clinical and radiological results. In conclusion, free vascularized fibular graft chould be an effective method to get excellent or good results, to prevent further collapse in precollapse stage and to prolong the time until the conversion total hip arthro- plasty for postcollapse stage osteonecrosis of the femoral head with extensive involvement.