No abstract available.
Keratosis, Seborrheic ; Skin Diseases ; Skin Diseases, Papulosquamous

To identify the efficacy of laparoscopic cholecystectomy, we retrospectively analyzed 600 cases of laparoscopic cholecystectomy who were treated at the Department of Surgery, Chung Ang University from September 1990 to December l992. We intentionally divided periods into 3 groups to observe the frequency of morbidity and mortality, early and late complications, duration of operation and postoperative hospitalization with accumulaton of surgical experiences and techniques. The most prevalent age group was 6th decades, male to female ratio was 1: 1.47 and associated diseases were hypertension, obesity, pulmonary tuberculosis in order of frequency and previous abdominal operations were appendectomy, TAH, C-section in order of frequency. The duration of operation was 38.6 minutes and postoperative hospitalization was 6.2 days. The most frequent pathologic diagnosis was chronic cholecystitis. The postoperative complications were noted in 15 cases(2.5%) including 5 cases of bleeding 4 cases of bile leakage. The number of patients who needed parenteral narcotics was decreased in later peiod. According to oral cholecystogram, opacification correlated with duration of operation of laparoscopic cholecystectomy.
Appendectomy ; Bile ; Cholecystectomy, Laparoscopic* ; Cholecystitis ; Diagnosis ; Female ; Hemorrhage ; Hospitalization ; Humans ; Hypertension ; Intention ; Male ; Mortality ; Narcotics ; Obesity ; Postoperative Complications ; Retrospective Studies ; Tuberculosis, Pulmonary

BACKGROUND: It is well known that neuronal degeneration can occur after a brief deprivation of energy source. To investigate whether glial astrocyte can induce a phenomenon of delayed cell death after transient energy loss and to see how different are the effects of nifedipine, lidocaine, carnosine and hypothermia on delayed toxicity in astrocyte. METHODS: Human astrocytoma cells (U1242MG) were used in this study. To assess the astrocyte survival during post-ischemic period after transient histotoxic hypoxia, 3-[4,5-dimethylthiazol-2yl]-2,5, diphenyl tetrazolium bromide (MTT) test was used. Compared to MTT test, tryphan blue test was also used to demonstrate membrane damage of affected cells. Studies on intracellular calcium dynamics during ischemic and post-ischemic period were carried out with fluo-3 and flow cytometry system. RESULTS: The percentage survival of astrocyte during post-ischemic period was decreasing with time. Calcium channel blocker nifedipine, sodium and calcium channel blocker lidocaine and free radical scavenger carnosine could not prevent post-ischemic cell damage. But, hypothermia was only an effective method in ameliorating post-ischemic cell death. Intracellular calcium increase during ischemia and post-ischemia was dependent on extracellular calcium influx. CONCLUSIONS: Only hypothermia was effective in reducing astrocyte death during post-ischemia after transient energy depletion. Intracellular calcium alterations during post-ischemia was from extracellular space.
Anoxia* ; Astrocytes* ; Astrocytoma ; Calcium ; Calcium Channels ; Carnosine ; Cell Death ; Extracellular Space ; Flow Cytometry ; Humans ; Hypothermia* ; Ischemia ; Lidocaine ; Membranes ; Neurons ; Nifedipine ; Sodium

No abstract available.
Fistula* ; Thyroglossal Cyst*

No abstract available.
Breast Neoplasms* ; Breast*

No abstract available.
Hematoma*

No abstract available.

No abstract available.
Histiocytosis* ; Histiocytosis, Langerhans-Cell*

No abstract available.
Cholecystectomy, Laparoscopic*

No abstract available.
Leiomyosarcoma*