No abstract available.
Chungcheongbuk-do* ; Leptospira interrogans* ; Leptospira*

No abstract available.

PURPOSE: To evaluate clinical and radiological results and to analyse the parapatellar complications after endoscopic anterior cruciate ligament reconstruction using central one-third bone-patellar tendon-bone autografts. MATERIALS AND METHODS: 66 cases among 158 consecutive cases from Feb 1990 to May 1996 were reviewed and evaluated with regard to patellofemoral pain, crepitus, quadriceps atrophy, graft donor site complication, Lysholm knee scoring system and radiological assessment. The average period of follow up was 23 months (range, 12-57 months) and the average age at operation was 31 years old (range, 18-58 years). RESULTS: The average Lysholmn knee score improved from 57.5 points preoperatively to 91.3 points at follow up. The instrumented anterior laxity test showed that excellent anterior stability was regained in most patients. There were many cases of parapatellar complications, 7 cases (10.6%) of anterior knee pain, 21 cases (32.8%) of crepitus, 43 cases (65.1%) of quadriceps weakness, 29 cases (45.3%) of graft donor site paresthesia and 15 cases (23.4%) of pain on kneeling. CONCLUSIONS: Although endoscopic ACL reconstruction using central one-third bone-patellar tendon-bone autografts had good clinical results, many parapatellar complications were noted. In order to prevent these complications, different reconstruction techniques and graft materials should be considered
Adult ; Anterior Cruciate Ligament Reconstruction ; Atrophy ; Autografts* ; Follow-Up Studies ; Humans ; Knee ; Paresthesia ; Tissue Donors ; Transplants

Complications after surgical treatment of trochanteric fracture such as varus deformity or delayed union are frequent and there are many difficulties to maintain the stability of fragments because of the cortical deficit or comminution on medial aspect of the neck and posterior trochanteric fragment. Evans, Dimon, Sarmiento and others suggested several methods of internal fixation, furthermore it is attempted recently to reduce the fragments anatomically with sliding compression hip screw and plate. 31 cases of interal fixation on trochanteric fracture were carried out from March, 1972 to February 1979 at the Orthopaedic Department of Seoul Adventist Hospital and their comparable results were as follows. 1. Acceptable placement of metals was noted 2 cases of 6 cases in Smith-Petersen nail with Thornton plate fixation, 2 cases out of 8 cases in Smith-Petersen nail with McLaughlin plate fixation and 9 cases out of 14 cases in sliding compression hip screw and plate fixation. 2. Complications after internal fixation such as varus deformity and delayed union were noted 1 case out of 3 cases in multiple pinning, 3 cases out of 6 cases in Smith-Petersen nail with Thornton plate fixation, 4 cases out of 8 cases in Smith-Petersen nail with McLaughlin plate fixation, 4 cases out of 14 cases in sliding compression hip screw and plate fixation. 3. Required weeks in union were 18 weeks in Multiple pinning, 20 weeks in Smith-Petersen nail with Thornton plate fixation, 25 weeks in Smith-Petersen nail with McLaughlin plate fixation and 16 weeks in sliding compression hip screw and plate fixation. 4. There are few complications in treatment of trochanteric fracture with surgical procedure using Sliding compression hip screw and plate.
Adult ; Clinical Study ; Congenital Abnormalities ; Femur ; Hip ; Humans ; Metals ; Neck ; Seoul

No abstract available.
Fibroblasts* ; Skin*

The result of artificial skins made with collagen is poor after grafting over the full thickness wounds due to their rapid degradation by enzymatic cleavage. This study is an in vivo study of an artificial skin made with a biodegradable polymer, which can better address the problem of the collagenous artificial dermis. To investigate the availability of a biodegradable polymer for an artificial dermis and to get an information about the optimal degradation rate of a polymer for an artificial dermis, we made an artificial dermis by seeding of fibroblasts within the vicryl mesh and made a bilayer artificial skin by covering the artificial dermis with cultured keratinocytes. And these artificial dermis and artificial skin were evaluated in a full thickness wound model. The results are as followings: 1. The artificial dermis was available for grafting for 1 week culture of vicryl mesh-fibroblast. 2. The artificial dermis retarded the contraction of full thickness wounds. 3. The artificial dermis generated the granulation tissue and accepted the STSG completely. 4. The generated tissue from the artificial dermis had incorporated into the surrounding tissue by 4 weeks postgrafting. 5. Vicryl in the artificial dermis became to biodegrade from the culture period and absorbed completely by 5 weeks. 6. The epidermal portion was poorly differntiated during in vitro culture period. In conclusion, the polymer-fibroblast graft can retard the wound contraction and generate a new tissue permitting a useful dermal replacement. And to get more optimal results, another polymer which has slower biodegradation rate than vicryl should be used for the artificial dermis and the epidermal portion should be differentiated after in vivo grafting.
Collagen ; Dermis* ; Fibroblasts ; Granulation Tissue ; Keratinocytes ; Polyglactin 910 ; Polymers ; Skin, Artificial ; Transplants ; Wounds and Injuries

A most common site for the isthmic spondylolisthesis is at fifth lumbar vertebra(L5) and far less at fourth(L4). The pathogenic lesion in the pars interarticularis is essentially the same in LA and L5 isthmic spondylolisthesis, but the clinical characteristics may differ each other according to their anatomical and biomechanical differences. A retrospective review of 24 patients of LA(study group) and 27 patients of L5(control group) isthmic spondylolisthesis was undertaken for their medical records and radiographs to compare the clinical characteristics in each groups. Included in each groups were all patients who were surgically treated during the same period and followed for more than two years after surgery. In the study group, 18 of 24 patients were females having an average age of 42.5 years(ranging 34-65), while in the control group, 17 of 27 patients were males having an average age of 38,1 years (ranging 13-59). The symptoms were severe leg pain in most of the study group, but in the control group, the leg pain and back pain were equally complained. The degrees of slip were similar in two groups, but a narrowing of dise space at slip segment was more prominent in study group. The lateral radiographs taken in flexion and extension revealed more changes of slip in study group (4.7mm in study group vs 2.8mm in control group in averages), and more angular motion at slip segment in study group unless the dise space is not severely narrowed. A spinal stenosis in CT findings was disclosed in almost all patients of study group and in 18 patients of control group. The sizes of L5 transeverse process were bigger than twice as those of L4 in 17(70.8%) patients including 9(37.5%) sacralizations of L5 in suty group, while in control group they were only 8(29.6%) patients with no sacralization. The heights of intercreastal line revealed no difference in two groups. The surgical procedures in study group were fusion only in two and decompression with fusion in 22(91.7%) patients and those in control group were fusion only in 11 and decompression with fusion in 16(59.3%) paticnts. The satisfactory results of treatment were in 21(87.5%) patients of study group and 25(92.6%) patients of control group without significant difference between two groups. In conclusion, the L4 spondylolytic spondylolisthesis compared to L5 lesion was more unstable and developed spinal stenosis more often. The surgical treatment and decompression procedure were also more needed in L4 lesions particularly in agend women.
Back Pain ; Decompression ; Female ; Humans ; Leg ; Male ; Medical Records ; Retrospective Studies ; Spinal Stenosis ; Spondylolisthesis

No abstract available.
Tonsillectomy*

No abstract available.
Lithotripsy* ; Salivary Gland Calculi* ; Salivary Glands* ; Shock*

PURPOSE: The purpose of this study is to evaluate and compare the shear bond strength of the gingiva-colored composite resin and the tooth-colored composite resin to porcelain, metal and zirconia. MATERIALS AND METHODS: Sixty cylindrical specimens were fabricated and divided into the following 6 groups (Group 1-W: tooth-colored composite bonded to porcelain, Group 1-P: gingiva-colored composite bonded to porcelain, Group 2-W: tooth-colored composite bonded to base metal, Group 2-P: gingiva-colored composite bonded to base metal, Group 3-W: toothcolored composite bonded to zirconia, Group 3-P: gingiva-colored composite bonded to zirconia). The shear bond strength was measured with a universal testing machine after thermocycling and the failure mode was noted. All data were analyzed using the two-way analysis of variance test and the Bonferroni post-hoc test at a significance level of 0.05. RESULTS: The mean shear bond strength values in MPa were 12.39, 13.42, 8.78, 7.98, 4.64 and 3.74 for Group 1-W, 1-P, 2-W, 2-P, 3-W and 3-P, respectively. The difference between the two kinds of composite resin was not significant. The shear bond strength of Group 1 was the highest and that of Group 3 was the lowest. The differences among Group 1, 2 and 3 were all significant (P<.05). CONCLUSION: The shear bond strength of the gingiva-colored composite was not less than that of the tooth-colored composite. Thus, repairing or fabricating ceramic restorations using the gingiva-colored composite resin can be regarded as a practical method. Especially, the prognosis would be fine when applied on porcelain surfaces.
Ceramics ; Collodion ; Dental Porcelain ; Prognosis ; Zirconium