• Title/Summary/Keyword: ligament

Search Result 1,649, Processing Time 0.032 seconds

Measurement of the Tibial Plateau Angle in Normal Small Breed Dogs (정상 소형 견에서 경골 고평부각의 측정)

  • Kim, Choong-sup;Heo, Su-Young;Seol, Jae-Won;Kim, Min-Su;Lee, Sang-Hoon;Kim, Nam-Soo;Lee, Hae-Beom
    • Journal of Veterinary Clinics
    • /
    • v.32 no.3
    • /
    • pp.231-234
    • /
    • 2015
  • This study measured the tibial plateau angle (TPA), a value that predicts cranial cruciate ligament rupture (CCLR) and a prerequisite for dynamic stabilization, in small breed dogs. The cadavers of 32 skeletally mature small breed dogs without CCLR were used to measure TPA. Differences were evaluated between males and females, left and right limbs, and among breeds. The mean TPA of all dogs was 26.13±2.33. The mean TPAs of left and right limbs were 26.00±2.23 and 26.26±2.45, respectively, which was not a significant difference. The mean TPAs of male and female dogs were 26.01±1.57 and 26.22±2.80, respectively, which was also not significant difference. The mean TPAs in Maltese, Poodle, Shih Tzu, and Yorkshire terrier were 26.06±2.96, 25.21±1.38, 26.65±2.96, and 26.27±1.61, respectively. Differences in these means were not statistically significant. The TPA measured from this study could provide important information for further investigation of the pathogenesis of and surgical techniques for CCLR in small breed dogs.

Muscuoloskeletal Disorders of Korean Fire Fighters: Applicants for Public Worker's Compensation from 2011 to 2013 (소방공무원의 근골격계 질환: 2011년~2013년 공상신청 분석)

  • Yoon, Jangwhon
    • Fire Science and Engineering
    • /
    • v.30 no.3
    • /
    • pp.133-137
    • /
    • 2016
  • The aims of this study were to analyze the Korean fire fighters' applications for the public worker's compensation between 2011 and 2013 and to suggest a feasible solution for prevention of work-related musculoskeletal disorders. The Korean Ministry of Public Safety and Security provided the complete list of fire fighters' application from January 2011 to December 2013. 510 applicants with chief complaint of musculoskeletal disorders were screened out of all 1596 applicants. Male applicants were 92%. Fire fighters in their early 40's applied most frequently, followed by those in early 30's. Musculoskeletal disorders of fire fighters were reported most frequently in May and June. Regionally, Seoul had most applicants and Jeonbuk showed the highest prevalence. Low back was the most frequently reported body part followed by the knee. Ligament was insured most frequently followed by vertebral disc and bone. The fire fighter's injury occurred while fire extinguish (38.3%), emergency medical service (37.7%), rescue (12.4%), and other duties. Result of this study suggests further investigation on the large variation in regional prevalence and on the injury mechanism of musculoskeletal disorders especially during the fire extinguish and emergency medical service.

Initial and Recurrent Anterior Dislocation in Shoulder (견관절 초기 전방 탈구와 재발성 전방 탈구)

  • Kim Young-Kyu;Lee Jae-Hoon;Kim Hyun-Min;Lee Choong-Hoon
    • Clinics in Shoulder and Elbow
    • /
    • v.8 no.2
    • /
    • pp.148-153
    • /
    • 2005
  • Purpose: To assess the usefulness of early stabilization for initial shoulder dislocation which is indicated in some patients by comparing the arthroscopic findings and the outcomes of Bankart repair in the initial and recurrent dislocation. Materials and Methods: The study was performed on 16 cases of initial dislocation and 44 cases of recurrent dislocation. The follow-up period was 25 months in the initial dislocation group and 28 months in the recurrent group. Bankart lesion and the adjacent tissues were compared, and the results were evaluated by the Rowe rating scale. Results: Detached labrum and capsular ligament of the initial dislocation group were elastic and unretracted. While in the recurrent dislocation those were inelastic, and displaced and adhesive in many cases. The outcomes were mean 95 points in the initial group and 91 points in the recurrent group. In the initial group, apprehension was detected in only 1 case(6%). In the recurrent group, instability was detected in 4 cases(9%). Conclusion: Our data suggest that Bankart lesion in the initial dislocation can be repaired readily by surgery, the recovery is efficient, and the recurrence would be reduced. Thus, in active young sports lovers as well as athletes, early stabilization surgery for initial shoulder dislocation may be more helpful.

CLINICAL STUDY OF SURGICALLY ASSISTED RAPID MAXILLARY EXPANSION (외과적 술식을 동반한 급속 상악 확장술의 임상 연구)

  • Yang, Chan-Young;Min, Seung-Ki;Oh, Sung-Hwang;Kwon, Kyung-Hwan;Lee, Jun;Cha, Jae-Won
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
    • /
    • v.31 no.1
    • /
    • pp.60-69
    • /
    • 2005
  • Orthopedic rapid maxillary expansion(RME) has been a common treatment modality used to widen narrow maxillae in young children. However, since more skeletally matured adolescents or adults has closed midpalatal suture, the result of RME was undesirable because of dental tipping with little or no basal skeletal movement and resulted to many other complications. After such treatment, complications often occurred such as alveolar bending, compression of periodontal ligament, extrusion, buccal tipping, and severe relapse. Thus, surgically assisted rapid maxillary expansion(SA-RME) is required, especially for patients over 14 years old, to skeletally release maxillary expansion. We used two methods of maxillary expansion surgery. Surgically assisted rapid maxillary expansion(SA-RME) & surgically assisted posterior segmental expansion(SA-PSE) were used for narrow maxilla. The study was divided into two groups(SA-RME group and SA-PSE group). SA-RME group was consisted of 2 males and 4 females, and the ages of materials ranged from 15 years to 25 years with a mean of 20.2 years. SA-PSE group was consisted of 1 male and 5 females, and the ages ranged from 13 years to 23 years with a mean of 18.7 years. Dental study models were fabricated before starting the expansion and immediately after the expansion was completed. It was fabricated again 1 month later, 3 months later when the expansion device was removed, and 6 months later after the expansion was completed. A repeated measures analysis of variance(ANOVA) test was applied to assess changes between each groups over time. The amount of expansion and the amount of tipping movement each in both groups were compared by using paired t-test and it was also compared between each subjects within the group by using independent t-test. Both SA-RME and SA-PSE group showed stable results, but SA-PSE group showed statical significance in tipping movement of second premolar. We compared 6 patients who recieved SA-RME with 6 patients who received SA-PSE, and appraised the clinical usefulness.

Profiling of genes in healthy hGF, aging hGF, healthy hPDLF and inflammatory hPDLF by DNA microarray (DNA microarray법을 이용하여 건강한 치은섬유모세포, 복제노화된 치은섬유모세포, 건강한 치주인대섬유모세포와 염증성치주인대섬유모세포에서 유전자 발현)

  • Yun, Sang-Jun;Kim, Byung-Ock;Yun, Jeong-Hun;Kang, Dong-Wan;Jang, Hyun-Seon
    • Journal of Periodontal and Implant Science
    • /
    • v.36 no.3
    • /
    • pp.767-782
    • /
    • 2006
  • 이 연구의 목적은 DNA microarray 분석법을 이용하여 건강한 사람치주인대섬유모세포, 건강한 사람치은섬유모세포, 복제노화된 사람치은섬유모세포, 염증성 사람치주인대 섬유모 세포의 유전자 발현 형태를 상호비교하고자 하였다. 환자의 동의하에 충치, 치주염이 없이 교정발치된 치아의 치주인대세포를 배양하여 건강한 치주인대섬유모세포로, 만성치주염으로 발거된 치아에서 채취하여 배양한 세포를 염증성 치주인대섬유모세포로 선정하였다. 구강에서 채취한 치은결체조직에서 배양한 사람치은섬유모세포를 일차 배양한 후 계대배양을 통해 복제 노화를 유도하였다. 198C의 액화질소에 저장되어 있던 2, 4, 8, 15, 16세대 세포를 실험에 이용하였다. 위의 모든 세포들은 60 mm 배양접시에서 세포들이 80-90%의 밀생이 될 때까지 5% CO2, 37C, 100% 습도의 배양기에서 2일 간격으로 10% FBS가 함유된 DMEM 세포 배양액을 교체하면서 세포를 배양하였다. Trizol Reagent (Invitrogen, USA)를 이용하여 제조회사의 지시에 따라 total RNA를 추출하였다. 18S RNA와 28S RNA를 확인한 후 DNA microarray 분석을 실시하였다. 4배수 이상의 변화양상을 비교시 상호 유전자 발현의 차이를 나타내었다. 건강한 사람치은섬유모세포(2세대)와 노화된 치은섬유모세포에서 가장 높은 발현변화를 나타낸 반면 DMC1 dosage suppressor of mck1 homolog, meiosis-specific homologous recombination,은 건강한 치은섬유모세포에서 가장 높게 나타났다. 염증성 치은인대섬유모세포와 건강한 치주인대 섬유모세포를 비교시, Regucalcin은 염증성 치주인대섬유모세포에서 가장 높게 나타났고, Vascular cell adhesion molecule 1도 두 번째로 높게 나타났다. 건강한 치주인대섬유모 세포와 건강한 치은섬유모세포를 비교시, IL-11과 periostin이 치주인대섬유모세포에서 높은 발현을 나타낸 반면, Prostaglandin D2 synthase 21kDa과 Thioredoxin interacting protein은 치은섬유모세포에서 높은 발현을 나타내었다. 염증성 치주인대섬유모세포와 노화된 치은섬유모세포(15세대 이상)를 비교시 149개의 유전자가 유사한 발현 수준을 나타내었다. 이 연구는 노화, 염증, 세포 형태에 따라서 유전자 수준에서 가장 높거나 높은 수준 변화를 보이는 유전자가 다를 수 있음을 나타낸다. 향후, 치주염 환자들에서, 노염, 염증, 세포 특이성에 관한 유전자 표시지를 이용하여 진단하거나 치료에 응용하기 위해서는 더 많은 연구가 필요하리라 사료된다.

The factors related with the failure in GBR and GTR technique (차폐막을 이용한 치주조직 및 골조직 유도재생술의 실패요인에 대한 고찰)

  • Yeom, Hey-Ri;Ku, Young;Chung, Chong-Pyoung
    • Journal of Periodontal and Implant Science
    • /
    • v.27 no.1
    • /
    • pp.117-128
    • /
    • 1997
  • Using barrier membrane, guided bone regeneration(GBR) and guided tissue regeneration(GTR) of periodontal tissue are now widely studied and good results were reported. In bone regeneration, not all cases gained good results and in some cases using GTR, bone were less regenerated than that of control. The purpose of this study is to search for the method to improve the success rate of GBR and GTR by examination of the cause of the failure. For these study, rats and beagle dogs were used. In rat study, 5mm diameter round hole was made on parietal bone of the rat and 10mm diameter of bioresorbable membrane was placed on the bone defects and sutured. In 1 ,2, 4 weeks later, the rats were sacrificed and Masson-Trichrome staining was done and inspected under light microscope for guided bone regeneration. In dog study, 3×4mm2 Grade III furcation defect was made at the 3rd and 1th premolar on mandible of 6 beagle dogs. The defects were covered by bioresorbable membrane extending 2-3mm from the defect margin. The membrane was sutured and buccal flap was covered the defect perfectly. In 2, 4. 8 weeks later. the animals were sacrificed and undecalcified specimens were made and stained by multiple staining method. In rats. there was much amount of new bone formation at 2 weeks. and in 4 weeks specimen, bony defect was perfectly dosed and plenty amount of new bone marrow was developed. In some cases, there were failures of guided bone regeneration. In beagle dogs, guided tissue regeneration was incomplete when the defect was collapsed by the membrane itself and when the rate of resorption was so rapid than expected. The cause of the failure in GBR and GTR procedure is that 1) the membrane was not tightly seal the bony defects. If the sealing was not perfect, fibrous connective tissue infiltrate into the defect and inhibit the new bone formation and regeneration. 2) the membrane was too tightly attached to the tissue and then there was no space to be regenerated. In conclusion, the requirements of the membrane for periodontal tissue and bone regeneration are the biocompatibility, degree of sealingness, malleability. space making and manipulation. In this animal study. space making for new bone and periodontal ligament, and sealing the space might be the most important point for successful accomplishment of GBR and GTR.

  • PDF

THE LONG-TERM GROWTH OF HOMOGENEOUS EMBRYO TOOTH GERM TRANSPLANTED INTO THE MAXILLA OF A RAT (흰쥐의 악골에 동종 이식한 태아 치아싹의 장기간 발육)

  • Ko, Dong-Hyun;Chung, Han-Sung;Kim, Seong-Oh;Lee, Jae-Ho;Choi, Hyung-Jun;Choi, Byung-Jai
    • Journal of the korean academy of Pediatric Dentistry
    • /
    • v.34 no.1
    • /
    • pp.53-61
    • /
    • 2007
  • In case of missing tooth caused by dental caries or periodontal disease, it can be restored by various methods, and there has been much interest in implant and tooth transplantation. The success of tooth transplantation is going to be attained through the knowledge of growth, development and calcification of tooth. Tooth transplantation has been experimented in vivo and in vitro. Many animals such as rats, mice, cats and dogs are used for tooth transplantation experiment in vivo. In most experiments, tooth was transplanted into the extraoral site, but rare into the intraoral site In this study, to observe the capacity of formation and mineralization of tooth germ, first molar of a matured white rat was extracted and the cap stage tooth germ of a 13.5 Embryonic day embryo rat was transplanted into the extracted socket. The rats were killed 6 months later and the radiographical and histological results are as followings. 1. Tooth germ transplanted for 2 and 6 months are developing calcified tooth material such as dentin, cementum, pulp tissue, and epithelium around enamel space in the maxilla was seen. 2. The epithelium around enamel space was located beneath the oral epithelium and contained connective tissue and periodontal ligament. 3. Tooth formation was progressed as transplantation period but the size of newly formed tooth was small and the shape of tooth was incomplete.

  • PDF

AUTOTRANSPLANTATION OF TOOTH WITH IMMATURE ROOT FORMATION (치근단 미완성 치아의 자가치아이식)

  • Jung, Ji-Sook;Park, Ho-Won;Lee, Ju-Hyun;Seo, Hyun-Woo
    • Journal of the korean academy of Pediatric Dentistry
    • /
    • v.39 no.1
    • /
    • pp.66-72
    • /
    • 2012
  • Autogenous tooth transplantation can be defined as the surgical movement of a tooth from one position in the mouth to another in the same individual. The most common reasons for tooth transplantation include replacement of a missing first molar, transplantation of impacted canines to their normal positions in the arch, and transplantation of premolars in areas of missing teeth, especially in the anterior area of the mouth. The key to successful tooth transplantation is proper selection of graft with adequate root development as well as the design of surgical operation. Root development stage with half to three-quarter-developed roots increase the success rate of autotransplantation. We report the cases of successful autotransplantation which resulted in ideal healing of periodontal ligament, gingiva and alveolar bone. All transplanted teeth presented immature root formation at the moment of the procedure. After surgical procedure, we can observe good healing pattern without endodontic problem.

A consideration of the research referred to Geun by the analysis of the oriental medical theses (한방학술논문(韓方學術論文) 분석(分析)을 통한 근(筋)의 연구동향(硏究動向)에 대한 고찰(考察))

  • Choi, In-se;Oh, Min-seok;Song, Tae-won
    • Journal of Haehwa Medicine
    • /
    • v.10 no.1
    • /
    • pp.395-415
    • /
    • 2001
  • A general concept of Geun includes the soft organizations such as a muscle, a myofascia, a tendon and a ligament, cartilages and nerves that surround it. The main function of it is a movement of the body such as a flextion and a extension, a connection of the joints, and a construction of the body shape. Lately, we consider Geun important little by little, develop a variety of the therapeutic measures which make use of it, and apply it to the treatment in the oriental medicine, And the therapeutic measures which utilize Geun will be developed from now on. Therefore, this study reviewed and analyzed the direction of the research referred to Geun in the oriental medicine and the tendency to the experiment to grow the study referred to Geun in oriental medicine continuously and developed the new direction. This study collected 44's theses reported in the oriental medical journal and analyzed in accordance with the journal, time, form and topics. The following results were obtained in this study; 1. In the theses referred to Geun, the journal of Korean acupuncture & moxibustion society and of Korean oriental medicine have the most of them(11's theses) and at the next the journal of oriental rehabilitation medicine has 9's theses. 2. By analyzing the form of the theses, these were classified into the theoretical, experimental and clinical studies. The theoretical these occupied 39%, the experimental theses 54%, and the clinical theses 7%. 3. By analyzing the theses referred to Geun, these were classified into the muscular abnormality - such as a powerlessness, a injury, a atrophy, a disorder, and a pain - the theory of muscles along the regular meridians, the muscular organization, the therapeutic measures, the manipulation and so on. 4. The theses of the muscular abnormality occupied 30% of them referred to Geun and the theory of muscles along the regular meridians 20%, the muscular organization 12%, the therapeutic measures 12%, and the manipulation 8%. According to the above results, the study of the new field referred to Geun and the clinical report are indispensable since the field is limited and the tendency is theoretical and experimental.

  • PDF

Successful Laparoscopic-Assisted Ovariohysterectomy in a Cat with Pyometra (고양이의 자궁축농증에서 복강경을 이용한 난소자궁절제술)

  • Kim, Young-Ki;Lee, Seung-Yong;Park, Se-Jin;Seok, Seong-Hoon;Jin, So-Young;Lee, Hee-Chun;Yeon, Seong-Chan
    • Journal of Veterinary Clinics
    • /
    • v.29 no.5
    • /
    • pp.408-411
    • /
    • 2012
  • Laparoscopic-assisted ovariohysterectomy was performed in a cat (2.7 kg) with pyometra. A 10-mm operative laparoscope was inserted into the abdomen through an umbilical port. A transabdominal suspension suture was placed to maintain the exposure of the ovarian vascular pedicle. The ovarian vascular pedicle and suspensory ligament were progressively cauterized and transected with 5-mm multifunction bipolar grasping forceps. Both ovaries and the uterus were exteriorized via 5-mm caudal port enlarged to 2 cm. The uterine body and associated arteries were ligated, transfixed, and transected under direct vision. No peri- or post-operative complications were encountered. To the authors' knowledge, this is the first report of the use of laparoscopy for the treatment of pyometra in the cat.