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신현한,이만용,장진호 연세대학교 경영연구소 2003 연세경영연구 Vol.40 No.1
본 연구는 2001~2002년 거래소와 코스닥에 상장 및 등록되어 있는 기업을 표본으로 하여 현금성과급에 영향을 주는 요인을 분석하고, 현금성과급과 주식성과급 간의 관계를 살펴보았다. 연구결과 첫째, 동일 산업에 속한 비교회사와의 상대적 성과평가(relative performance)에 근거하여 경영자보상이 결정됨을 발견하였다. 둘째, 스톡욥션을 부여한 기업의 경우, 회계적 성과측정치와 경영자보상간의 민감도가 낮음을 발견하였다. 이 결과는 회계적 경영성과 측정치가 경영자의 성과를 측정하는데 적합성이 떨어지는 경우, 기업은 주식수익률에 의한 스톡옵션 인센티브제도를 도입하여 회계적성과측정치에 근거한 현금보상을 보완한다고 해석된다. 셋째, 임원의 현금보상이 높은 기업들에서 스톡옵션이 도입될 확률이 높음을 발견하였다. 이는 기업들이 현금성과급에 의한 유인제도뿐만 아니라 스톱옵션 인센티브제도를 함께 사용하고 있음을 의미한다.
신현한,장진호 연세대학교 경영연구소 2003 연세경영연구 Vol.40 No.2
본 연구는 대규모기업집단의 결합재무제표 발표가 시행된 1999년부터 2000년까지 결합재무제표 발표 기업을 대상으로 재벌기업의 소유구조와 경영성과 간의 관계를 분석하였다. 결합재무제표에 발표된 재벌기업의 대주주지분율은 사업보고서에 나타난 대주주지분율과 차이가 있음을 발견하였다. 또한, 기업집단내의 비공개기업들의 영업성과가 공개기업들의 영업성과보다 평균적으로 낮았다. 연구결과, 기업집단내의 기업 중 가족 및 내부 지분율이 낮은 기업에서 높은 기업으로 부의이전이 일어날 것이라는 가설과 달리 본 연구에서는 가족 및 내부 지분율과 기업의 경영성과와의 관련성을 발견하지 못하였다.
신현한,장진호 한국금융학회 2003 金融學會誌 Vol.8 No.2
본 연구는 1988년부터 2002년 사이에 증권거래소 및 코스닥에 상장·등록되어 있는 비금융기업을 표본으로 하여 소유구조가 경영성과에 따른 최고경영자교체에 미치는 영향을 검증하였다. 연구결과, 지배주주지분율이 높을수록 경영성과가 좋지 않은 최고경영자교체의 확률이 증가함을 발견하였다. 이는 지배주주의 지분이 증가할수록, 지배주주의 이해가 외부주주의 이해와 일치되어 경영성과가 좋지 않은 최고경영자의 교체를 통한 기업가치향상이 발생할 것이라는 이해일치 가설(convergence-of-interests hypotheses)을 지지하는 결과이다. 경영자에 대한 감시기능을 수행하는 주체로서 국내기관투자자 및 외국인투자자의 지분과 경영성과에 따른 최고경영자교체 민감도를 분석한 결과, 국내기관투자자지분 및 외국인투자자지분이 높을수록 경영성과가 좋지 않은 최고경영자를 교체할 확률이 증가함을 발견하였다. 이는 국내기관투자자와 외국인투자자가 경영자에 대한 감시기능을 수행한다는 가설(monitoring hypothesis)을 지지하는 결과이다. Using the firms listed in the Korea Stock Exchange and KOSDAQ between 1988 and 2002, we have examined the effect of ownership structure on the sensitivity of CEO turnover to firm performance. We find that the sensitivity of CEO turnover to firm performance increases as the controlling shareholders' ownership increases. The finding supports the convergence-of-interests hypothesis that as the controlling shareholder's ownership level increases, the interest of the controlling shareholder is more likely aligned with that of outside shareholders so that the controlling shareholder improves the firm performance by replacing the underperforming CEOs. We also find that the sensitivity of CEO turnover to firm performance increases as the institutional and foreign ownership increases. The findings support the monitoring hypothesis that institutional investors monitor the role of CEOs and replace when their performance is low.
( Hyun-jin Kim ),( Jeong-hun Shin ),( Yonggu Lee ),( Ju Han Kim ),( Sun Ho Hwang ),( Woo Shik Kim ),( Sungha Park ),( Sang Jae Rhee ),( Eun Mi Lee ),( Sang Hyun Ihm ),( Wook Bum Pyun ),( Jinho Shin ) 대한내과학회 2021 The Korean Journal of Internal Medicine Vol.36 No.5
Background/Aims: The clinical characteristics of patients with masked uncontrolled hypertension (MUCH) have been poorly defined, and few studies have investigated the clinical predictors of MUCH. We investigated the demographic, clinical, and blood pressure (BP) characteristics of patients with MUCH and pro-posed a prediction model for MUCH in patients with hypertension. Methods: We analyzed 1,986 subjects who were enrolled in the Korean Ambulatory Blood Pressure Monitoring (Kor-ABP) Registry and taking antihypertensive drugs, and classified them into the controlled hypertension (n = 465) and MUCH (n = 389) groups. MUCH was defined as the presence of a 24-hour ambulatory mean systolic BP ≥ 130 mmHg and/or diastolic BP ≥ 80 mmHg in patients treated with antihypertensive drugs, having normal office BP. Results: Patients in the MUCH group had significantly worse metabolic profiles and higher office BP, and took significantly fewer antihypertensive drugs com-pared to those in the controlled hypertension group. Multivariate logistic regression analyses identified high office systolic BP and diastolic BP, prior stroke, dyslipidemia, left ventricular hypertrophy (LVH, ≥ 116 g/㎡ for men, and ≥ 96 g/㎡ for women), high heart rate (≥ 75 beats/min), and single antihypertensive drug use as independent predictors of MUCH. A prediction model using these predictors showed a high diagnostic accuracy (C-index of 0.839) and goodness-of-fit for the presence of MUCH. Conclusions: MUCH is associated with a high-normal increase in office BP and underuse of antihypertensive drugs, as well as dyslipidemia, prior stroke, and LVH, which could underscore achieving optimal BP control. The proposed model accurately predicts MUCH in patients with controlled office BP.
LEE, JINHO,JUNG, SUNG-CHUL,HONG, YOUNG BIN,YOO, JEONG HYUN,KOO, HEASOO,LEE, JA HYUN,HONG, HYUN DAE,KIM, SANG-BEOM,CHUNG, KI WHA,CHOI, BYUNG-OK SPANDIDOS PUBLICATIONS 2016 MOLECULAR MEDICINE REPORTS Vol. No.
<P>Mutations in the optic atrophy 1 gene (<I>OPA1</I>) are associated with autosomal dominant optic atrophy and 20% of patients demonstrate extra-ocular manifestations. In addition to these autosomal dominant cases, only a few syndromic cases have been reported thus far with compound heterozygous <I>OPA1</I> mutations, suggestive of either recessive or semi-dominant patterns of inheritance. The majority of these patients were diagnosed with Behr syndrome, characterized by optic atrophy, ataxia and peripheral neuropathy. The present study describes a 10-year-old boy with Behr syndrome presenting with early-onset severe optic atrophy, sensorimotor neuropathy, ataxia and congenital cataracts. He had optic atrophy and was declared legally blind at six years old. Electrophysiological, radiological, and histopathological findings were compatible with axonal sensorimotor polyneuropathy. At birth, he presented with a congenital cataract, which has not been previously described in patients with <I>OPA1</I> mutations. Whole exome sequencing indicated a pair of novel compound heterozygous mutations: p.L620fs*13 (c.1857–1858delinsT) and p.R905Q (c.G2714A). Neither mutation was observed in controls (n=300), and thus, they were predicted to be pathogenic by multiple <I>in silico</I> analyses. The mutation sites were highly conserved throughout different vertebrate species. The patients parents did not have any ophthalmic or neurologic symptoms and the results of electrophysiological studies were normal, suggestive of an autosomal recessive pattern of inheritance. The present study identified novel compound heterozygous <I>OPA1</I> mutations in a patient with recessive optic atrophy, sensorimotor neuropathy and congenital cataracts, indicating an expansion of the clinical spectrum of pathologies associated with <I>OPA1</I> mutations. Thus, <I>OPA1</I> gene screening is advisable in the workup of patients with recessive optic atrophy, particularly with Behr syndrome and cataracts.</P>
Sang-Hyun Ihm,Kwang-il Kim,Kyung Jin Lee,Jong Won Won,Jin Oh Na,Seung-Woon Rha,Hack-Lyoung Kim,Sang-Hyun Kim,Jinho Shin 대한심장학회 2022 Korean Circulation Journal Vol.52 No.1
In primary prevention for cardiovascular diseases, there are significant barriers to adherence including freedom from symptoms, long latency for therapeutic benefits, life-long duration of treatment, and need for combined lifestyle changes. However, to implement more systematic approaches, the focus on adherence improvement needs to be shifted away from patient factors to the effects of the treatment team and healthcare system. In addition to conventional educational approaches, more patient-oriented approaches such as patient-centered clinical communication skills, counseling using motivational strategies, decision-making by patient empowerment, and a multi-disciplinary team approach should be developed and implemented. Patients should be involved in a program of self-monitoring, self-management, and active counseling. Because most effective interventions on adherence improvement demand greater resources, the health care system and educational or training system of physicians and healthcare staff need to be supported for systematic improvement.