It is still not well documented what the basic roles for the regulation of renin secretion from the kidney take place. Since the early study on the renal ischemia for the production of hypertension was introduced, the renin-angiotensin system has been regarded as the possible pathogenetic mechanism for the renovascular hypertension. The renin-angiotensin system, however, could be activated by various stimuli, such as, the changes of intrarenal perfusion pressure, the load or concentriation of sodium at the sites of macular densa, the changes of the sympathetic nervous activity and the changes of potassium balance. To investigate the renin-angiotensin system and the influence of sympathetic nervous system on the regulation of renin secretion, the renovascular hypertension was induced in the dogs by constriction of unilateral renal artery, and the plasma renin activity was measured. The sodium load at the sites of macula densa was attained by furosemide, and then the activity of sympathetic nervous system was depressed by reserpine. The plasma renin activity was assayed by the method of Helmer and Cohn. By this bio-assay method, the plasma renin activity equivalent to 1 nanogram angiotensin-II can be measurable and the prepared plasma was found to have still vasopressor activity. The results observed in this experimental work are summarized as follows. 1. The blood pressure reached maximum on the 3rd postoperative day, and declined gradually to the level of preoperative day on the day of from the 6th to 12th day following constriction of renal artery. 3. The plasma renin activity was found to be well correlated with the increase of blood pressure, and then declined to its preoperative level with the reduction of blood pressure. It appears, therefore, that the renin-angiotensin system plays an important role in the pathogenesis of renovascular hypertension. 4. The urine flow rate in normal and reserpinized dogs was the same before administration of furosemide, but its rate was significantly increased in both groups after furosemide. The urine flow rate of reserpinized dogs, however, was significantly lower than that of the normal dogs during the first 5 minutes. 5. The urinary sodium excretion in normal and reserpinized dogs was significantly increased in both groups after administration of furosemide and there were no difference between the two groups. 6. The plasma renin activity of renal venous blood was significantly higher than that of femoral arterial blood in both groups before and after administration of furosemide. 7. The plasma renin activity of reserpinized dogs was significantly lower than that of normal dogs before administration of furosemide. After furosemide, however, the plasma renin activity was significantly increased in 30 minutes in both groups. This increase of plasma renin activity was less prominent in resepinized dogs than in normal. This results would suggest that the intrarenal mechanism regulating renin secretion also requires an intact sympathetic nervous system.
Animals ; Blood Pressure ; Constriction ; Dogs ; Furosemide ; Hypertension ; Hypertension, Renovascular ; Ischemia ; Kidney ; Perfusion ; Plasma ; Potassium ; Renal Artery ; Renin* ; Renin-Angiotensin System ; Reserpine ; Sodium ; Sympathetic Nervous System

No abstract available.
Diagnosis* ; Intervertebral Disc* ; Magnetic Resonance Imaging*

No abstract available.

A 24-year-old man presented with a 1.5 × 0.5 cm-sized erythematous nodule with central crust on the forehead since 5 years ago. There was no history of trauma or previous skin disorders. Histopathologic examination showed a typical picture of osteoma cutis. In addition, transepidermal elimination of bony material was observed: red linear plate-like calcified lamella structures had extruded to the skin surface through the perforated epidermis. The perforating type of osteoma cutis was discussed.
Epidermis ; Forehead ; Humans ; Osteoma* ; Skin ; Young Adult

A clinical study was performed to evaluate the effectiveness of Zomepirac in 27 patients who had undergone bone surgery, 13 patients who had soft tissue surgery and 7 non-surgical patients admitted to the department of orthopedic surgery of Hanyang University Hospital from Oct., 1981 to Nov., 1981. The conclusions were as follows: 1. To decrease pain by half, Zomepirac was determined to be much more effective in patients with severe pain than in patients with moderate pain. 2. The initial pain relief was also more marked in patients with severe pain than in patients with moderate pain. 3. The duration of analgesia with Zomepirac was longer in patients with severe pain than in patients with moderate pain. 4. The duration of pain relief after medication with Zomepirac was from 1 to 3 hours in 79.3% of patients. 5. The results of treatment were excellent in 5 patients (10.6%), very good in 5 patients (10.6%), good in 7 patients (14.9%), fair in 4 patients (8.5%), poor in 1 patient (2.2%), when the intensity of pain before treatment was severe; but fair in 13 patients (27.7%), poor in 11 patients (23.3%), when the pain was moderate. Thus the clinical results demonstrated that this medication was remarkably effective in patients with severe pain and much less so in patients with only inoderate pain. 6. Side effects were mild transient drowsiness in 3 patients (6.3%) and gastric colic in 2 patients (4.3%). In patients with drowsiness was continuously administered. The gastric colic subsided when the medication was combined with antacid.
Analgesia ; Clinical Study ; Colic ; Humans ; Orthopedics ; Sleep Stages

No abstract available.
Arthroplasty* ; Bone Resorption* ; Hip* ; Thigh*

No abstract available.
Arthroplasty, Replacement, Hip* ; Venous Thromboembolism*

BACKGROUND: It is traditiqnally considered that the non-bullous fonn of impetigo is primarily of streptococcal origin and the bullous form is of staphylococcal origin. However, recent reports have shown that Staphylococcus aureus (SA) has become the predominant cauative pathogen of non-bullous impetigo as well as of bullous impetigo. Objective. Our purpose was to evaluate the predominant causativi. pathogen, and to establish a therapeutic guideline for impetigo. METHOD: We described the characteristics of lesions and gerformed bacterial culture and susceptibility tests in patients with impetigo. Patients were treatecl by one of three frequently used antibiotics(erythromycin, cefuroxime, fusidic acid). RESULTS: Of 77 patients, there were 47 cases of crusted type(61.9%), 18 cases of mixed type with crusted and bullous lesiona(23.3%), 7 cases of mixed type with crusted and pustular lesions(9.1%) and 5 cases of bullous type(6.6%). SA was grown from 90.1% af the cases, in 83.1% of cases it was the only organism to be foind and no gowth of streptococcus was faund even in mixed infections. An antimicrobial susceptibility test of 63 strains of SA demonstrated high susceptibility to vancomycin(98.4%), cefuroxime(97.1%), oxacillin(96.4%), cephalothin(95.2%), fusidic acid(91.7%) etc, and high resistance to penicillin(93.7%), gentamicin(90.5%), tobramycin(88.9%) and erythromicin(80.9%). Of 19 patients treated with erythrornycin, 12(63.1% ) showed treatment failure at a weeks, while no treatment failure occured in groups treated with cefuroxime and usidic acid. There were statistically significant differences iri therapeutic effect between cefuroxirne and erythromycin(P=0.005 by two tailedy test), and betweer fusidic acid and erythromycin(P=0.0040. But there was no significant difference between cefuroxime and fusidic acid. CONCLUSION: The predominant pathogen of non-bullous impetigo a well as bullous impetigo was SA which were highly resistant to erythromycin and highly sensitive to efuroxime and fusidic acid. In the clinical response, cefuroxinie and fusidic acid treatment were most effective and erythromycin was inadequate for treatment of impetigo.
Cefuroxime ; Coinfection ; Erythromycin ; Furosemide ; Fusidic Acid ; Humans ; Impetigo* ; Staphylococcus aureus ; Streptococcus ; Treatment Failure

Serum levels of HDL-cholesterol, triglyceride and total cholesterol were measured in 107 normal Koreans and in 327 patients; 66 patients with hypertension, 34 patients with coronary heart disease, 45 patients with cerebral thrombosis, 18 patients with nephrotic syndrome, and 164 patients with diabetes mellitus. Patterns of serum lipoprotein fractions were also investigated by agarose gel electrophoresis in 41 normal Koreans and in 72 patients; 14 patients with hypertension, 10 patients with coronary heart disease, 19 patients with cerebral thrombosis, 7 patients with nephrotic syndrome, and 22 patients with diaebetes mellitus. The results are summarized as follows; 1. Mean values of serum HDL-cholesterol, triglyceride and cholesterol in normal Koreans were 52.2+/-12.4mg/100ml, 110.6+/-31.6mg/100ml and 175.3+/-21.4mg/100ml respectively. No significant difference in mean value of serum HDL-cholesterol was observed between Korean males and females. 2. In Korean females serum, HDL-cholesterol level showed peak values in the fifth decade, but no significant difference with aging was observed in Korean males. 3. Serum HDL-cholesterol levels were significantly decreased in patients with hypertension, coronary heart disease, cerebral thrombosis, and in male diabetic patients with complication. 4. Serum triglyceride levels were significantly increased in all the disease groups, and serum cholesterol levels were significantly increased in all the disease groups except cerebral thrombosis. 5. Mean values of alpha-lipoprotein, pre-beta-lipoprotein and beta-lipoprotein fraction ratios in normal Koreans were 28.9+/-7.5%, 14.9+/-4.9% and 56.2+/-8.1% respectively. 6. Seum alpha-lipoprotein fraction ratio was significantly decreased in relatively advanced hypertensive patients. Pre-beta-lipoprotein fraction ratio tends to be increased in patients with hypertension, cerebral thrombosis, nephrotic syndrome and in diabetic patients with complications, and beta-lipoprotein fraction ratio tends to be increased in patients with hypertension, coronary heart disease and nephrotic syndrome, but those were not statistically significant.
Aging ; Cardiovascular Diseases* ; Cholesterol ; Coronary Disease ; Diabetes Mellitus ; Electrophoresis, Agar Gel ; Female ; Humans ; Hypertension ; Intracranial Thrombosis ; Lipoproteins ; Male ; Nephrotic Syndrome ; Triglycerides

Epidermolytic hyperkeratosis, previously called bullous congenital ichthyosiform erythroderma is a dominantly inherited disorcler and usually manifested by blisters at or shortly after birth. We report a case of epidermolytic hyperkeratosis in 9 year old girl vrho developed generalized erythema &: easily eroded vesicles at birth. Later the skin lesions progresed to characteristic thick, grayish-dark brown verruform cais, affecting predominantly flexural and intertriginous areas. Fiistologic findings show typical granular degeneration.
Blister ; Child ; Cytochrome P-450 CYP1A1 ; Erythema ; Female ; Humans ; Hyperkeratosis, Epidermolytic* ; Parturition ; Skin