• Title/Summary/Keyword: Clinical Outcome

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Clinical Analysis of Decompressive Craniectomy for Acute Massive Cerebral Infarction (악성 뇌경색증에 대한 감압 두개골절제술의 임상분석)

  • Kim, Seok-Chul;Lee, Jung-Kil;Kim, Jae-Sung;Kim, Tae-Sun;Jung, Shin;Kim, Jae-Hyoo;Kim, Soo-Han;Kang, Sam-Suk;Lee, Je-Hyuk
    • Journal of Korean Neurosurgical Society
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    • v.30 no.3
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    • pp.278-283
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    • 2001
  • Objective : Massive cerebral infarction could be accompanied by severe brain swelling and death secondary to transtentorial herniation. Approximately 10% to 15% of middle cerebral artery infarctions are associated with this phenomenon. However, the effectiveness and timing of decompressive surgery are still controversial. In this study, we present our results on the effect of decompressive craniectomy in life threatening cerebral infarction. Method : We retrospectively analyzed 15 patients who underwent decompressive craniectomy for massive cerebral infarction from January 1997 to April 1999. Surgical indication was based on the clinical signs such as neurological deterioration, pupillary reflex, and radiological findings. Clinical outcome was assessed by Glasgow Outcome Scale (GOS). Results : All 15 patients(five men, ten women ; mean age, 52.3 years ; right 11, left 4) were treated with wide craniectomy and duroplasty. The average time interval between onset of symptom and surgical decompression was 2.9 days. Clinical signs of uncal herniation(anisocoria, or fixed and dilated pupils) were presented in 13 of 15 patients. Mean Glasgow coma scale(GCS) was 12.4 points on admission, 8.1 points on preoperative state and 11.8 points postoperatively. Overall outcomes were favorable in 5 cases(Glasgow outcome scale : GOS I, II), unfavorable in 6 cases(Glasgow outcome scale : GOS III, IV) and dead in 4 cases. Conclusion : Early decompressive craniectomy before brain stem compression is considered as an effective lifesaving procedure for massive cerebral infarction unresponsive to aggressive medical therapy.

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Clinical evaluation of root-resected teeth clinical outcome over 2 years (치아절제술이 시행된 증례의 임상적 평가 : 2년 이상 경과한 증례의 평가)

  • Lee, Chung-Ho;Park, Jin-Woo;Seo, Jo-Yeong;Lee, Jae-Mok
    • Journal of Periodontal and Implant Science
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    • v.36 no.4
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    • pp.809-816
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    • 2006
  • Periodontal disease accompany the inflammation around periodontal tissue and generally periodontal destruction is followed, This destruction often makes the molar teeth have furcation defect. And to treat molar furcation involvement, resective surgery such as root resection and ostectomy and regenerative procedure such as guided tissue regeneration were introduced. Also implant can be considered as one of the good treatment methods, Among these treatment alternatives, root resection can be considered as a good procedure in the point of saving one's natural teeth or amount of cost. Therefore the purpose of this article is to evaluate root-resected teeth which were done at least 2 years ago. 70 root-resected teeth in 58 patient who visited Kyungpook National University Hospital were included in this study. They were evaluated by two clinical method. One is subjective evaluation and another is objective evaluation. To evaluate subjective outcome, 58 patients answered to the questionnaire if they experienced tooth extraction, bleeding, swelling, pain, mobility and chewing problem. To evaluate objective outcome, 28 teeth was evaluated according to Langer's criteria. The subjective result showed 82% of success rate and 18% of failure rate. 13 of 70 teeth showed discomfort and were considered as failure, which include chewing problem (39%) and pain (23%). The objective outcome showed that 4 failure (14% failure rate) which were 2 cases of bone loss by periodontal problem, one endodontic problem and one untreatable caries. By these limited results, some of clinical consideration in root resective procedure can be suggested. Periodontal support and less occlusal loading on resected tooth should be evaluated before the procedure, moreover, good oral hygiene is essential. When these factors are considered carefully, the root resection may produce predictive outcomes in the treatment of furcational involvement.

A Literature Study about Clinical Outcome Parameters for Total Knee Replacement to Develop Core Outcome Set for Osteoarthritis by Korean Medicine Treatment (슬관절 전치환술 후 한의 핵심 결과 지표를 개발하기 위한 임상 평가지표에 대한 문헌 연구)

  • Jeon, Chaeheun;Kim, Hyejin;Lee, Jungmin;Kwon, Miri;Jang, Seungwon;Kim, Hyunho;Kong, Byunghee;Leem, Jungtae
    • Journal of Korean Medicine Rehabilitation
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    • v.29 no.3
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    • pp.51-60
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    • 2019
  • Objectives Osteoarthritis is hard to manage with both conventional and Korean medicine treatment. The core outcome set (COS) to demonstrate the effectiveness of Korean medicine treatment has not been established yet. We aimed to present preliminary data of COS by performing a literature review on the evaluation indices used in existing clinical research. Methods We examined the literature from 2000 to 2017 in two Korean electronic databases (Korea citation index and oriental medicine advanced searching integrated system) by searching for the following 3 terms 'total knee replacement (Korean)', 'total knee replacement,' and 'knee surgery.' We found 333 articles; among them, 50 duplicates were removed. Finally, we selected 160 articles after complete screening. We then extracted measured indices and clinical outcomes from the selected articles and categorized the relevant criteria. Results According to this study, the hospital for special surgery and knee society, range of movement angle, cross leg, Berg balance scale and balance ability, muscle strength, 6 minutes walking test, visual analogue scale, self-efficacy, the 12-item and 36-item short form survey and self-rated health status are the most commonly used outcomes of knee. Conclusions This study found that the several categories after total knee replacement (TKR) are being evaluated in the literature, and we were able to verify the most frequently used evaluation indices in these categories. The results of this study will be used to establish evaluation indices for the treatment of TKR in the future using Korean medicine.

A Flexible Modeling Approach for Current Status Survival Data via Pseudo-Observations

  • Han, Seungbong;Andrei, Adin-Cristian;Tsui, Kam-Wah
    • The Korean Journal of Applied Statistics
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    • v.25 no.6
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    • pp.947-958
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    • 2012
  • When modeling event times in biomedical studies, the outcome might be incompletely observed. In this paper, we assume that the outcome is recorded as current status failure time data. Despite well-developed literature the routine practical use of many current status data modeling methods remains infrequent due to the lack of specialized statistical software, the difficulty to assess model goodness-of-fit, as well as the possible loss of information caused by covariate grouping or discretization. We propose a model based on pseudo-observations that is convenient to implement and that allows for flexibility in the choice of the outcome. Parameter estimates are obtained based on generalized estimating equations. Examples from studies in bile duct hyperplasia and breast cancer in conjunction with simulated data illustrate the practical advantages of this model.

Risk Factors Predicting Unfavorable Neurological Outcome during the Early Period after Traumatic Brain Injury

  • Park, Jung-Eon;Kim, Sang-Hyun;Yoon, Soo-Han;Cho, Kyung-Gi;Kim, Se-Hyuk
    • Journal of Korean Neurosurgical Society
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    • v.45 no.2
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    • pp.90-95
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    • 2009
  • Objective : We aimed to identify clinico-radiological risk factors that may predict unfavorable neurological outcomes in traumatic brain injury (TBI), and to establish a guideline for patient selection in clinical trials that would improve neurological outcome during the early post TBI period. Methods : Initial clinico-radiological data of 115 TBI patients were collected prospectively. Regular neurological assessment after standard treatment divided the above patients into 2 groups after 6 months : the Favorable neurological outcome group (GOS : good & moderate disability, DRS : 0-6, LCFS : 8-10) and the Unfavorable group (GOS : severe disability-death, DRS : 7-29 and death, LCFS : 1-7 and death). Results : There was a higher incidence of age $\geq$35 years, low initial GCS score, at least unilateral pupil dilatation, and neurological deficit in the Unfavorable group. The presence of bilateral parenchymal lesions or lesions involving the midline structures in the initial brain CT was observed to be a radiological risk factor for unfavorable outcome. Multivariate analysis demonstrated that age and initial GCS score were independent risk factors. The majority of the Favorable group patients with at least one or more risk factors showed improvement of GCS scores within 2 months after TBI. Conclusion : Patients with the above mentioned clinico-radiological risk factors who received standard treatment, but did not demonstrate neurological improvement within 2 months after TBI were deemed at risk for unfavorable outcome. These patients may be eligible candidates for clinical trials that would improve functional outcome after TBI.

Difference in Protein Markers According to the Survival of Sepsis Patients using Protein Chips (패혈증 생존 및 사망 환자 혈장에서 단백질 칩을 이용한 분석의 차이)

  • Park, Myoung Ok;Lee, Heui Young;Son, Hee Jung;Sung, Ji Hyun;Lee, Seung Joon;Lee, Sung Joon;Ha, Kwon Soo;Kim, Woo Jin
    • Tuberculosis and Respiratory Diseases
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    • v.61 no.1
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    • pp.41-45
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    • 2006
  • Background; Several clinical scoring systems are currently being used to predict the outcome of sepsis, but they all have certain limitations. Therefore, we sought to identify the proteomic biomarkers, with wsing proteomic tools, that differed according to the outcome of sepsis patients. Methods; Upon admission to the ICU, blood samples were obtained from the 16 patients with sepsis who were enrolled in this study. Surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI -TOF MS) was used to identify the markers that could predict the outcome of sepsis. Results; We found six peaks, by using cation and anion chips, that statistically differed between those patients who died and those who survived. Conclusion; The biomarkers we found by using proteomic tools may help predict the prognosis and also plan the treatment of sepsis.

Pregnancy Outcome Following Previous Induced Abortion

  • Hong, Sung-Bong
    • Clinical and Experimental Reproductive Medicine
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    • v.3 no.1
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    • pp.5-11
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    • 1976
  • Considerable data has been reported on the outcome of pregnancies subsequent to induced abortion, but the findings contain a great deal of inconsistency and disagreement. Most studies strongly suggest that normal deliveries are less likely to occur in subsequent pregnancies following induced abortion, in terms of gestation length, birth weight, stillbirth, and miscarriage. Other work suggests that some of the demographic and health characteristics of women who experience induced abortion are different from those women who do not; and these factors may affect the outcome of subsequent pregnancies profoundly rather than the induced abortion itself.

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Multicentric retrospective clinical study on the clinical application of mini implant system (미니 임플란트 시스템의 적용에 대한 다기관 후향적 임상연구)

  • Kim, Young-Kyun;Yeo, In-Sung;Yi, Yang-Jin;Kim, Un-Kyu;Moon, Kyung-Nam;Jeon, Seung-Joon;Cho, Yong-Seok;Yun, Pil-Young
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.36 no.4
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    • pp.325-330
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    • 2010
  • Introduction: Mini-implant system is applicable to areas of narrow space and area requiring temporary loading support. The purpose of this study was to evaluate the clinical outcome of a mini-implant system as well as the application of mini-implant system in the dental clinical field. Materials and Methods: The patients who had been operated from Jan 2007 to Dec 2007 in the four dental facility including Seoul National University Bundang Hospital were enrolled. To evaluate the factors associated with the clinical outcome, the patients were classified according to gender, age, area of surgery, type of implant, diameter and length of the implant, and the purpose of the mini-implant system application. Results: From 147 implants, only three implants failed, one of them was for temporary loading. There were no serious surgical or prosthetic complications in this study. Conclusion: An analysis of the preliminary data revealed a satisfactory clinical outcome. However, more long-term evaluation of narrow ridge type as well as the patient’s satisfaction on the use of a provisional type mini-implant system is needed.

Clinical Outcomes of Spontaneous Spinal Epidural Hematoma : A Comparative Study between Conservative and Surgical Treatment

  • Kim, Tackeun;Lee, Chang-Hyun;Hyun, Seung-Jae;Yoon, Sang Hoon;Kim, Ki-Jeong;Kim, Hyun-Jib
    • Journal of Korean Neurosurgical Society
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    • v.52 no.6
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    • pp.523-527
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    • 2012
  • Objective : The incidence of spontaneous spinal epidural hematoma (SSEH) is rare. Patients with SSEH, however, present disabling neurologic deficits. Clinical outcomes are variable among patients. To evaluate the adequate treatment method according to initial patients' neurological status and clinical outcome with comparison of variables affecting the clinical outcome. Methods : We included 15 patients suffered from SSEH. Patients were divided into two groups by treatment method. Initial neurological status and clinical outcomes were assessed by the American Spinal Injury Association (ASIA) impairment scale. Also sagittal hematoma location and length of involved segment was analyzed with magnetic resonance images. Other factors such as age, sex, premorbid medication and duration of hospital stay were reviewed with medical records. Nonparametric statistical analysis and subgroup analysis were performed to overcome small sample size. Results : Among fifteen patients, ten patients underwent decompressive surgery, and remaining five were treated with conservative therapy. Patients showed no different initial neurologic status between treatment groups. Initial neurologic status was strongly associated with neurological recovery (p=0.030). Factors that did not seem to affect clinical outcomes included : age, sex, length of the involved spinal segment, sagittal location of hematoma, premorbid medication of antiplatelets or anticoagulants, and treatment methods. Conclusion : For the management of SSEH, early decompressive surgery is usually recommended. However, conservative management can also be feasible in selective patients who present neurologic status as ASIA scale E or in whom early recovery of function has initiated with ASIA scale C or D.

Assessment of Clinical Outcome in Dogs with Naturally Infected with Dirofilaria immitis after American Heartworm Society Protocol vs Slow Kill Method

  • Choi, Miru;Yoon, Won-Kyoung;Suh, Sang-IL;Hyun, Changbaig
    • Journal of Veterinary Clinics
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    • v.34 no.1
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    • pp.1-6
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    • 2017
  • Heartworm disease (HWD) in dogs is a life-threatening mosquito-borne disease resulting in right-sided congestive heart failure and inflammatory pulmonary disease. Due to complications from adulticidal therapy with melarsomine, slow kill protocol either with preventive dose of ivermectin or combined with doxycycline has been proposed for an alternative adultcidal therapy in dogs with HWD. Therefore, this study evaluated the clinical outcome of adultcidal therapy in dogs with class II stage of HWD after treating either American Heartworm Society (AHS) or slow kill protocol for 10 months. Clinical outcome after therapy was evaluated by clinical, radiographic and echocardiographic examination along with hematology before (D0) and after therapy (D300). Although clinical signs associated with HWD were all resolved after therapy in both groups, the infection was not cleared out 67% of dogs treated by slow kill protocol at the end of therapy. Furthermore, pulmonary arterial flow of acceleration time to ejection time ratio (AT/ET) and the right pulmonary artery distensibility index (RPADI) have been firstly used for detecting pulmonary hypertension in this study group. The pulmonary hypertension was more common in dogs with mild clinical signs, although tricuspid and pulmonary regurgitation were not detectable in most dogs in this study. Our study findings suggested that the slow kill protocol might not be efficacious enough to clear out HWD in dogs and more attention on the presence of pulmonary hypertension might be necessary for effective management of HWD in dogs.