1.Mitral Annulus and Left Ventricular Posterior Wall Motion in Mitral Valve Replaced Patients.
Korean Circulation Journal 1989;19(4):677-684
To assess the effects of regional wall motion abnormalities on left ventricular function, mitral annulus(MA) motion and left ventricular posteior wall(LVPW) motion were studied by M-mode and Doppler echocardiography in 13 normal subjects and 40 mitral valve replaced(MVR) patients. In MVR patients, mitral annulus motion showed significantly delayed contraction(DC) after A2 by 3.7+/-3.0mm in amplitude and 80+/-35 msec in time(normal control; 0.1+/-0.3mm, 35+/-15msec, p<0.01 for both) and reduction in systolic % thickening of LVPW(39.7+/-23.6 VS 63.2+/-18.4%, p<0.01). MVR patients were devied into 2 group according to the amplitude of MA motion, 4mm Group I(n=13, DC> or =4mm) showed increase epicardial excursion of LVPW compared with Group II(n=27, DC<4mm)(Group I vs Group II, 11+/-3.7 vs 8.6+/-2.6 mm, p<0.05). In mechanical prosthetic valve replaced patients(n=22), time relationship between valve opening, mitral flow, peak thining rate of LVPW and valve peak excursion were studied also and the phase difference that are observed in normal subjects, were lost. We interpreted these delayed contraction of mitral annulus motion and epicardial motion increment as muscle fiber architectural abnormalities which might effect on MVR patients as a factor of left ventricular systolic and diastolic dysfunction.
Echocardiography, Doppler
;
Humans
;
Mitral Valve*
;
Ventricular Function, Left
2.Study on Left Ventricular Contractility in Chronic Valvular Heart Disease of Various Volume Load: With Reference to End Systolic Pressure-Volume, Stress-Volume Relations.
Chong Hun PARK ; Young Woo LEE
Korean Circulation Journal 1984;14(2):215-234
Authors analysed systolic pressure-volume-stress relations by combined echo-pressure-cineangiographic measurement in 10 normal subjects(Group I) and 37 patients with chronic valvular heart diseases. Patients with chronic valvular heart diseases were divided into 3 groups : Group II ; mitral stenosis(n=9), Group III ; mitral stenosis with aortic regurgitation(n=19). The aims of this study are to find useful left ventricular(LV) contractility indices and evaluate left ventricular contractility at various volume loading states. Studied LV contractility indices were maximal elastance of isovolumic contraction(Eiso), endsystolic pressure-volume ratio(Ees) and slope of regression line in late systolic stress-volume loop(A). Eiso was estimated using an isovolumic contraction model of Sunagawa and A was analysed in a single ejecting beat. Endsystolic volume index(ESVI), end diastolic volume index(EDVI), stress at peak pressure(Speak), cardiac index, Vmax, mean Vcf and ejection fraction were determined also. The obtained results were as follows. 1) Significant correlations were found in whole group(n=47) between Eiso and Ees(r=0.88, P<0.005), Elso and cardiac index(r=0.83, P<0.005), Ees and CI(r=<0.76, p<0.005). Further, these correlation coefficiencies were not different between any two groups of Group I, Group II, Group III, Grouop IV and whole group (p<0.05); that is Eiso or Ees had a constant significance at various loading state. 2) Significant correlation between A and cardiac index was noted in Group I+II+III(n=28, r=0.48, p<0.01), but this correlation coefficiency was significantly different from that of Group IV(n=19, r=0.08); p<0.05. 3) In Group II(patients with mitral stenosis), cardiac index* and EDVI* and stress at peak pressure** were decreased significantly(*:p<0.05, **:p<0.005). But Eiso, Ees, A and all the other idices were not decreased. These findings suggested that left ventricular contractility is not reduced in mitral stenosis. 4) In Group IV(patients with amitral regurgitation with or without aortic regurgitation), **EDVI and ESVI** were increased while Eiso**, Ees, Vmax*, mean Vcf* and cardiac index** were decreased significantly. But ejection fraction and A were not decrease. These findings suggested that ejection fraction and A may not be decreased at volume overload, despite of impaired left ventricular contractility. In summary; Eiso or Ees was evaluated as an useful contractility index which appeared not to be influenced by various volume loading state, while eiection fraction and A to be influenced. Patients with mitral stenosis as a group have reduced cardiac performance which is not due to impairment of left ventricular contractility(muscle function) but to reduced preload.
Constriction, Pathologic
;
Heart Valve Diseases*
;
Humans
;
Mitral Valve Stenosis
3.A Case of 4p-(Wolf-Hirschhorn) Syndrome.
Young Hun JEON ; Toung Ill PARK
Journal of the Korean Pediatric Society 1985;28(10):1042-1046
No abstract available.
4.Assessment of Early Diastolic Left Ventricular Relaxation in Patients with Valvular Regurgitation(with Reference to Incremental Delta Elastance).
Chong Hun PARK ; Young Woo LEE
Korean Circulation Journal 1984;14(1):7-15
Early diastolic left ventricular relaxation was determined in 20 patients by combined echopressure measurement. 7 normal control cases and 13 cases with valvular regurgitation were studied with reference to incremental delta elastance. The hemodynamic and echocardiographic data were analysed during the phase of decreasing left ventricular elastance (that is, when pressure is decreasing while volume is increasing). Starting from a fixed level of wall stress (40 kdyne/cm2), we determined Incremental Delta Elastance(ratio big up tri, Delta p/big up tri, Delta V) by a constant increase in LV volume(eg. 10 ml/M2 or 20 ml/M2). We named Incremental Delta Elastance at 10 ml/M2 and 20 ml/M2 of LV volume increase as d-E 10 and d-E 20 respectively. In valvular regurgitation, incremental delta elastances were statistically different from those of normal subjects(p<0.01). d-E10 was -1.67+/-0.69(versus -3.38+/-1.75 in normal subjects) mmHgm2/ml and d-E20 was -0.98+/-0.39(versus -1.69+/-0.84 in normal subjects) mmHgm2/ml. d-E 10 and d-E20 were compared with ejection phase indices(ejection fraction, meanVcf) in whole group(n=20). There was significant correlation between d-E and ejection fraction(d-E10 : r=-0.47, d-E20:r=-0.50) p<0.05. There was significant correlation between d-E and meanVcf(d-E10: r=0.53, d-E20: r=-0.57) p<0.05. d-E10 and d-E20 were compared with volume indices(end-diastolic volume index and end-systolic volume index) but no significant correlation was found. Because we evaluated that inotropic state or afterload would influence incremental delta elastance, further study, especially with reference to endsystolic volume index may be needed. The absolute values between d-E10 and d-E20 were different but they were simliar in property. We concluded that incremental delta elastance(d-E10 or d-E20) could be used as a useful index of early diastolic relaxation in chronic valvular regurgitation.
Echocardiography
;
Hemodynamics
;
Humans
;
Relaxation*
5.Antihypertensive medications for 24 hour blood pressure control.
Young Hoon JEONG ; Chong Hun PARK
Korean Journal of Medicine 2005;69(2):234-236
No abstract available.
Blood Pressure*
6.Benign Chondroblastoma of Bone: A Case Report
Byeong Mun PARK ; Hun Young LEE
The Journal of the Korean Orthopaedic Association 1969;4(2):35-38
A benign chondroblastoma of bone which involved the proximal end of the right tibia of a 14 year old girl was presented. Clinical symptoms, signs, roentgenographic findings, and bone biopsy led to the diagnosis. The lytic lesion of bone, which was 4cm×3cm×2.5cm in size, was curetted and autogenous bone graft was done. Most of the lesion was composed of a dark bluegray substance, which was either friable or even hemorrhagic, and the other areas were more grayish, gritty and flecked with yellowish calcified material. The postoperative course has been satisfactory, showing no recurrence for a period of 10 months after surgery.
Biopsy
;
Chondroblastoma
;
Diagnosis
;
Female
;
Humans
;
Recurrence
;
Tibia
;
Transplants
7.Alveolar Soft-Part Sarcom: A Case Report
Byeong Mun PARK ; Hun Young LEE
The Journal of the Korean Orthopaedic Association 1976;11(2):255-259
Alveolar soft-part sarcoma has been originally described as a unique pathological entitiy by Christopherson, Foote, and Stewart in 1952, who have chosen its name because of their uncertainty in determining from which cells the tumor arose. The tumor is generally considered to be malignant and originates in soft tissue, the most commonly in the deep tissues of the extremities. The case, reporting here, illustrated several of the recognized characteristics of alveolar soft-part. sarcoma, both clinically and pathologically and is described in view of its rarity of its kind and difficulty of accurate diagnosis. The patient was a 29 year old male who has complained of a adult. fist-sized mass on posterolateral aspect of left arm for one year. Roentgenographic findings showed multiple metastatic lesions on both lung fields, left humerus, skull and cervical spine. The mass on the same site recurred after excision and hemoptysis probably due to aggravation of the metastatic lesions of the both lungs developed 4 months later. He died 8 months after surgery.
Adult
;
Arm
;
Diagnosis
;
Extremities
;
Foot
;
Hemoptysis
;
Humans
;
Humerus
;
Lung
;
Male
;
Sarcoma
;
Sarcoma, Alveolar Soft Part
;
Skull
;
Spine
;
Uncertainty
8.Endovascular Treatment of Proximal Superior Mesenteric Artery Pseudoaneurysm after Stab Injury.
Dong Hun KIM ; Young Wook KIM ; Kwang Bo PARK
Korean Journal of Critical Care Medicine 2015;30(4):354-357
Superior mesenteric artery (SMA) injuries remain a challenge to most trauma surgeons and continue to result in significant mortality despite aggressive management. We report successful management of a proximal SMA injury through endovascular treatment in a 56-year-old man. The patient presented with hypotension due to a stab wound after the epigastrium. He underwent emergency laparotomy and repair of the penetrated wall of the stomach. Right retroperitoneal hematoma at the initial laparotomy expanded and ruptured, requiring a massive transfusion. At the second laparotomy, we performed lateral arteriorrhaphy of the proximal SMA. Follow-up abdominal computed tomography angiography on post-injury day 7 showed a pseudoaneurysm on the left side of the SMA trunk. The patient was treated successfully with an endovascular stent graft.
Aneurysm, False*
;
Angiography
;
Blood Vessel Prosthesis
;
Emergencies
;
Endovascular Procedures
;
Follow-Up Studies
;
Hematoma
;
Humans
;
Hypotension
;
Laparotomy
;
Mesenteric Artery, Superior*
;
Middle Aged
;
Mortality
;
Stomach
;
Wounds, Stab
9.Electrocardiographic and Echocardiographic Analysis in Atrial Septal Defect, Ostium Secundum Type.
Young Kyu PARK ; Bang Hun LEE ; Chung Kyun LEE
Korean Circulation Journal 1981;11(2):73-82
The electrocardiographic and echocardiographic analysis was made on 23 patients with atrial septal defect of ostium secundum type, who were confirmed by right heart catheterization under admission at hanyang University Hospital from january 1979 to July 1981. Following results were obtained: 1) In the 23 patients, 13 were male and 10 female. Their ages ranged from 6 to 45 years, mean age being 19.9 years. 2) In 18 patients(78.3%), the QRS axis was between +90degrees and +150degrees. No significant correlations could be demonstrated between QRS axis and some hemodynamic parameters(right ventricular systolic pressure, pulmonary artery mean pressure and pulmonic to systemic flow ratio), and also, between QRS axis and the size of right ventricular dimension index. 3) Right ventricular outflow tract hypertrophy, right ventricular hypertrophy and complete right bundle branch block pattern in Lead V3R or V1were observed in 95.7% of ostium secundum defect. No significant correlations could be found between types of QRS complexes and some hemodynamic parameters(right ventricular systolic pressure, pulmonary artery mean pressure and pulmonic to systemic flow ratio), and also, between types of QRS complex and the size of right ventricular dimension index. 4) The mean amplitude of S wave in precordial Lead V6was 7.6mm. There was a definite correlation between the amplitude of S wave in Lead V6and right ventricular systolic pressure. No significant correlations could be demonstrated betwen the amplitude of s wave in Lead V6and some hemodynamic parameters(pulmonary artery mean pressure and pulmonic to systemic flow ratio), and also, the size of right ventricular dimension index. 5) Right ventricular dimension index was increased in all cases but one. A significant correlation was found between the size of right ventricular dimension index and pulmonary artery mean pressure, whereas no significant correlation could be demonstrated between the size of right ventricular dimension index and pulmonic to systemic flow ratio. 6) 95.7% of 23 patients with ostium secudum defect showed paradoxical septal motion was proved not to be associated with other congenital heart disease by cardiac catheterization. The pulmonic to systemic flow ratio in groups of septal motion type A was significantly increased than that of normal septal motion group, whereas no significantl relation between types of septal motion and the size of right ventricular dimension index was observed.
Arteries
;
Axis, Cervical Vertebra
;
Blood Pressure
;
Bundle-Branch Block
;
Cardiac Catheterization
;
Cardiac Catheters
;
Echocardiography*
;
Electrocardiography*
;
Female
;
Heart Defects, Congenital
;
Heart Septal Defects, Atrial*
;
Hemodynamics
;
Humans
;
Hypertrophy
;
Hypertrophy, Right Ventricular
;
Male
;
Pulmonary Artery
10.A Case of squamous Cell Carcinoma Arising from an Actinic Cheilitis and Its Surgical Treatment.
Soung Hun KIM ; Seung Hun KIM ; Mee Sun PARK ; Young Ho WON ; Inn Ki CHUN ; Young Pio KIM
Korean Journal of Dermatology 1987;25(4):515-519
A sixity-three years old male admitted our department of dermatology showing generallized scaly, fissured, and swollen lower lip, we could diagnose it actinic cheilitis by the finding of skin biopsy specimen. And so we recomrnended him vermilioneciomy for the prophylaxis of squamous cell carcinoma, but he refused. After 2 months, above Iesion was changed a rapidly proliferating protruded mass in the centcr of the lower lip, which was diagnosed squamous cell carcinoma. For the treatment of squamous cell carcinoma and remained actinic cheilitis, we performed V-shaped excision of tumor mass and verrniliomy. After 5 months follow-up evaluation, the patient appeared excellent results without recurrence.
Actins*
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Biopsy
;
Carcinoma, Squamous Cell*
;
Cheilitis*
;
Dermatology
;
Follow-Up Studies
;
Humans
;
Lip
;
Male
;
Recurrence
;
Skin