Purpose: The proper diagnosis of Meckel's diverticulum (MD) is difficult and delayed because of the variety of clinical manifestations. We reviewed clinical characteristics of symptomatic MD to facilitate early detection. Methods: We analyzed retrospectively the clinical manifestations, diagnostic tools, histopathological findings, and operative findings in 58 patients with symptomatic MD. Results: The male to female ratio was 2.8 : 1. The most common symptom of MD was bleeding. Others symptoms included: vomiting, abdominal pain, irritability, abdominal distension and fever in the order of frequency. The clinical manifestations of symptomatic MD were lower gastrointestinal bleeding, intestinal obstruction, perforation, diverticulitis and hemoperitoneum, in the order of frequency. The causes of intestinal obstruction were intussusception, internal hernia, band, volvulus, invagination, in the order of frequency. Seventy five percent of patient with MD were diagnosed prior to 5 years of age. The most frequently used diagnostic tool was the Meckel's scan. The diverticulum was located 2 cm to 120 cm proximal to the ileocecal valve. The length of the diverticulum ranged from 1 cm to 10 cm and 94% were less than 5 cm. The most common ectopic tissue found in the MD was gastric mucosa. Ileal resection was more frequently performed than diverticulectomy. Conclusion: In cases of unexplained gastrointestinal bleeding, obstruction and repeated intussusception, the meckel's scan, ultrasound and computed tomography shoud be considered to rule out MD, and if clinically necessary, an exploratory laparotomy when needed.
Background: Several studies have demonstrated that conventional hypothermic cardiopulmonary bypass (CPB) causes cellular injury, abnormal responses in peripheral vascular beds and increased postoperative bleeding, whereas normothermic CPB provides protection of the hypothermic-induced effects and better cardiac recovery. The present study was prospectively performed to compare the effects of normothermic CPB to those of hypothermic CPB on the inflammatory and hematologic responses during cardiac surgery. Material and Method: Thirty-four adult patients scheduled for elective cardiac surgery were randomly assigned to hypothermic CPB (nasopharyngeal temperature $26~28^{\circ}C,$ n=17) or normothermic CPB (nasopharyngeal $temperature>35.5^{\circ}C,$ n=17) group. In both groups, cold $(4^{\circ}C)$ crystalloid cardioplegia was applied for myocardial protection. Blood samples were drawn from radial artery before (Pre-CPB), 10 minutes after starting (CPB-10) and immediately after ending (CPB-OFF) CPB. Total leukocyte and platelet counts, interleukin-6 (IL-6) level(expressed as percent to the baseline of Pre-CPB), D-dimer level, protein C and protein S activity were measured with the blood samples. The amount of bleeding for postoperative 24 hours and blood transfusion after operation were also assessed. All parameters were compared between the two groups. Result: The total leukocyte counts $(10,032\pm65/mm^3)$ and the increased ratio of IL-6 $(353\pm7.0%)$ at CPB-OFF in the normothermic group were higher than that $(7,254\pm48/mm^3$ and $298\pm7.3%)$ of the hypothermic group(p=0.02 and p=0.03). In the normothermic group, protein C activity $(32\pm3.8%)$ and protein S activity $(35\pm4.1%)$ at CPB-OFF were significantly lower than that $(45\pm4.3%$ and $51\pm3.8%)$ of the hypothermic group (p=0.04 and p=0.009). However, there were no differences in platelet counts and D-dimer concentration. In the normothermic group, the amount of bleeding for postoperative 24 hours $(850\pm23.2$ mL) and requirements for blood transfusion after operation such as packed cell $(1,402\pm20.5$ mL), fresh frozen plasma $(970\pm20.8$ mL) and platelet $(252\pm6.4$ mL) were higher than that $(530\pm21.5$ mL, $696\pm15.7$ mL, $603\pm18.2$ mL and $50\pm0.0$ mL) of the hypothermic group. Conclusion: These results indicate that normothermic CPB with cold crystalloid cardioplegia was associated with higher increase in inflammatory response, hemostatic abnormalities and postoperative bleeding problem than moderate hypothermic CPB.
Objectives : This report describes 36 formulas including Asparagi Radix and Liriopis Tuber in Dongeuibogam. Asparagi Radix and Liriopis Tuber have been used separately or concurrently in Oriental Medicine for a long time as a treatment for various diseases. Methods : 36 formulas including Asparagi Radix and Liriopis Tuber as a main component which have been used separately or concurrently in Oriental Medicine for a long time as a treatment for various disease in Dongeuibogam were studied through order of frequency, symptoms, dosages, etc. Results : 1. 6 formulas are recorded in fatigue chapter, 5 formulas in blood chapter 7 formulas in body shape chapter and fire chapter each which are arranged in order of frequency. 2. Enhancing strength and life span herbs are most used in formulas including Asparagi Radix and Liriopis Tuber. General fatigue treating herbs, severe bleeding cold, fire moving by yin-deficiency and kidney malfunction treating herbs are following frequency among 25 symptoms in formulas including Asparagi Radix and Liriopis Tuber. 3. The dosages of Asparagi Radix which is used same amount Liriopis Tuber are ranged from 2.5 puns~2 jeons. 1 jeon is recorded 13(36.1%), 5 puns is 6(16.7%), 7 puns and 2 jeons are recorded 4(11.1%), the rests are 3(8.3%) used among 36 formulas including Asparagi Radix and Liriopis Tuber. 4. The frequencies of Asparagi Radix and Liriopis Tuber have 9(25.0%) in decoctions groups, 27(75.0%) in the other groups except decoctions. So the ratio of decoctions groups to the other groups in being used is about 1:3. Decoction groups are used in enhancing Yin and descending fire, on the other hands the other groups except decoctions are used in well-being in whole life. Conclusions : The 36 formulas including Asparagi Radix and Liriopis Tuber in Dongeuibogam are mainly composed of Eedong-go, Insamgobon-hwan, Gamri-hwan, Samjae-hwan, Saengjihwang-go, Naebo-hwan, etc.
Djelloul, Omar Kouider;Menadi, Belkacem;Wardeh, George;Kenai, Said
Advances in concrete construction
/
v.6
no.2
/
pp.103-121
/
2018
This paper reports the effects of coarse and fine recycled concrete aggregates (RCA) on fresh and hardened properties of self-compacting concrete (SCC) containing ground granulated blast-furnace slag (GGBFS) as cement replacement. For this purpose, three SCC mixes groups, were produced at a constant water to binder ratio of 0.38. Both fine and coarse recycled aggregates were used as natural aggregates (NA) replacement at different substitution levels of 0%, 25%, 50%, 75% and 100% by volume for each mix group. Each group, included 0, 15% or 30% GGBFS as Portland cement replacement by weight. The SCC properties investigated were self-compactability parameters (i.e., slump flow, T500 time, V-funnel flow time, L-box passing ability and sieve stability), compressive strength, capillary water absorption and water penetration depth. The results show that the combined use of RCA with GGBFS had a significant effect on fresh and hardened SCC mixes. The addition of both fine and coarse recycled aggregates as a substitution up to 50% of natural aggregates enhance the workability of SCC mixes, whereas the addition from 50 to 100% decreases the workability, whatever the slag content used as cement replacement. An enhancement of workability of SCC mixes with recycled aggregates was noticed as increasing GGBFS from 0 to 30%. RCA content of 25% to 50% as NA replacement and cement replacement of 15% GGBFS seems to be the optimum level to produce satisfactory SCC without any bleeding or segregation. Furthermore, the addition of slag to recycled concrete aggregates of SCC mixes reduces strength losses at the long term (56 and 90 days). However, a decrease in the capillary water absorption and water permeability depth was noticed, when using RCA mixes with slag.
Background: Gastric cancer, the fifth most common malignancy in the world, usually affects older individuals but can occur in younger age groups. In this study we compared the clinicopathological profile of young patients of gastric cancer with that of older patients. Materials and Methods: It is a prospective study of gastric cancer patients treated over three year period (January 2012 to December 2014). Data of patients were obtained from the medical record. Clinical and pathological characters of younger patients (age 40 years or less) were compared with older patients (age more than 40 years). Results: There were total of 152 patients treated during the study period. Twenty patients (13.2%) were less than 40 years of age and 132 (86.8%) were older. The male to female ratio in younger patients was 1:1.5 whereas in older patients it was 1:0.6. In the younger age group 14 patients (70%) had poorly differentiated adenocarcinoma in contrast to 45% in the older age group (p<0.01). Some 55% of younger and 42% of older patients had stage IV disease at presentation and curative surgery was not possible. Palliative surgery for gastric outlet obstruction or bleeding from the tumor was performed on 25% and 21% respectively. Conclusions: Gastric cancer in young people aged less than 40 years has unique characters like female predominance, unfavorable tumor biology, and advanced stage at presentation. There should be a high index of suspicion of gastric cancer even in young patients.
This study wa performed to investigate the effect of dired powder of chestnut and acorn on lipid metabolism, antioxidative capacity and antithrombotic effect in rats. Fifty-four male Sprague-Dawley rats weighing 199$\pm$17g were blocked into nine groups according to their body weight. Rats were raised with diets containing only flesh or flesh with inner skin of 5% and 10% dried nut powders for four weeks. Food intake, body weight gain, food efficiency ratio and organ weight were no different among the experimental groups. The plasma and liver lipid levels of all the nut diet groups were lover than those of the control group. The nut diets showed hypolipidenic effect in the plasma and liver. Plasma and liver thiobarbituric acid reactive substance (TBARS) concentrations were significantly decreased in all the nut diet groups. The plasma TBARS levels of the inner skin groups were significantly different from the control group dose-dependently. Superoxide dismutase(SOD) activity was significantly different among the experimental groups, and all the nut groups showed higher activity than the control group. There were significant differences in SOD activity between the chestnut and acorn groups and the chestnut groups showed higher erythrocyte SOD activity and the acorn groups showed higher liver SOD activity than the other groups. Whereas catalase and GSH-Px activities in the erythrocyte and liver of both nut groups showed a tendency to increase, they were not significantly different among the experimental groups. The bleeding time and whole blood clotting time tended to be extended by feeding both types of nut but they were not significantly different among the experimental groups. Production of TX $B_2$ and PG $F_{1{\alpha}}$ was no different among the experimental groups. These results suggest that chestnut and acorn diets have the effect of lowering plasma and liver lipid levels, inhibiting lipid peroxide formation and increasing antioxidative enzymes activity. Thus, it is plausible that chestnut and acorn could be recommended in the treatment and prevention of cardiovascular diseases.
Purpose: With increasing life expectancy, the presence of comorbidities has become a major concern in elderly patients who require surgery. However, little is known about the impact of different comorbidities on the outcomes of laparoscopic total gastrectomy (LTG). In this study, we investigated the impact of comorbidities on postoperative complications in patients undergoing LTG for gastric carcinoma. Materials and Methods: We retrospectively reviewed the cases of 303 consecutive patients who underwent LTG for gastric carcinoma between 2005 and 2016. The associations between each comorbidity and postoperative complications were assessed using univariate and multivariate analyses. Results: A total of 189 patients (62.4%) had one or more comorbidities. Hypertension was the most common comorbidity (37.0%), followed by diabetes mellitus (17.8%), chronic viral hepatitis (2.6%), liver cirrhosis (2.6%), and pulmonary (27.1%), ischemic heart (3.3%), and cerebrovascular diseases (2.3%). The overall postoperative morbidity and mortality rates were 20.1% and 1.0%, respectively. Patients with pulmonary disease significantly showed higher complication rates than those without comorbidities (32.9% vs. 14.9%, respectively, P=0.003); patient with other comorbidities showed no significant difference in the incidence of LTG-related complications. During univariate and multivariate analyses, pulmonary disease was found to be an independent predictive factor for postoperative complications (odds ratio, 2.14; 95% confidence interval, 1.03-4.64), along with old age and intraoperative bleeding. Conclusions: Among the various comorbidities investigated, patients with pulmonary disease had a significantly higher risk of postoperative complications after LTG. Proper perioperative care for optimizing pulmonary function may be required for patients with pulmonary disease.
During the period from March, 1963, to November, 1977, forty-eight patients with secundum type atrial septal defects have undergone surgical repair using cardiopulmonary bypass with a pump oxygenator at the Seoul National University Hospital. Twenty-six [55 percent] of the patients were females and Twenty-two [45 percent] were males. The patients varied in age from 3 years to 51 years. We have divided secundum defects into three types. These are: 1] the high defect; 2] Ovale type defect; and 3] low defect including the defect in the area of the coronary sinus. An ovale type defect was present in forty-one cases [85 percent]. Partial anomalous pulmonary venous connections were present in two patients in the high defect group. All of the forty-eight patients had had right heart catheterization before operation. The pulmonary to systemic flow ratio [Qp/Qs] was determined in our 38 patients. The Qp/Qs was less than 1.5/1 in only five of the 38 patients. Among the 33 patients with moderate and severe left-to-right shunts [Qp/Qs 1.6-3.5/1], the systolic pulmonary artery pressures. ranged from 30 to 80 mm Hg. Large left-to-right shunts [Qp/Qs>3.6/1] were present in 13 patients. The postoperative complications occurred in 13 patients [27. 1 percent]. Postoperative wound infections were the most frequent complications being present in 6 patients [12.5%]. Forty-six of the patients with secundum atrial septal defects survived surgical repair of their defects. Thus the hospital mortality of surgery was 4.2 percent. The causes of death in the early postoperative period were: 1] low cardiac output syndrome related to severe pulmonary hypertension in one case; and 2] postoperative several bleeding in one case.
Since 1959 the authors experienced 43 cases of chronic constrictive pericarditis treated surgically at the Department of Thoracic & Cardiovascular Surgery, the National Medical Center in Seonl. Of 43 cases, detailed patients' records could be obtainable in 36 cases, and most of our studies. were made on the basis of these 36 available cases. About 84 per cent of the cases were male with several pediatric cases, and duration of symptoms ranged between 2 months and 10 years. The diagnosis of this condition is not difficult, however, about half of our cases were previously treated under the impression rf various other conditions such as liver cirrhosis or nephrotic syndrome at other hospitals and clinics. Many of our cases showed hepatic functional disturbances and about 89 per cent of the cases showed reversed A/G ratio, and we are sure that some of them had so-called protein losing enteropathy. Three of 36 cases showed normal electrocardiogram, and most peculiar electrocardiographic findings were ST or T changes and low amplitude of QRS complexes. Seven cases showed auricular fibrillation and five had first degree A-V block. Mean preoperative peripheral venous pressure at the antecubital fossa and arm-to-tongue circulation time were 273 mm $H_2O$and 20.2 seconds, respectively, and they were markedly reduced postoperatively to 152 mm $H_2O$ and 13 seconds, respectively. Several different approaches were made with various extents of pericardial decortication according to patients' condition and probably surgeon's preference. In 12 cases we met cardiovascular injuries during decortication and one of them died of massive bleeding through the torn right atrium, and we experienced excellent postoperative result in a grave case operated on just a small pericardial window. Eleven of 35 cases were tuberculous pericarditis and others were non-specific pericarditis histopathologically, and 6 of total 43 cases operated on passed away by various ways with the mortality rate of 13.9 per cent.
The records of 65 patients with a confirmed diagnosis of primary lung cancer who underwent surgical therapy at the Department of Thoracic and Cardiovascular Surgery of the Keimyung University Hospital were analyzed during the period of 8 years and 4 months, from August, 1978 to December, 1986. The peak incidence was observed in the 5th decade of life and the mean age was 52.9 years old. Male versus female ratio was 8.3:1 Cough was the most frequent presenting symptom, 76.9% then chest discomfort, hemoptysis and dyspnea followed in order. 44.6% of the patient had 2 months of prediagnostic symptomatic period, 72.3% had 5 months, and the mean was 5.7 months. As for preoperative diagnosis, 62 of total 65 patients revealed the mass lesion on simple chest x-ray, and 56 of 65 patients on bronchoscopic biopsy, 10 of 37 patients on sputum cytology and 15 of 15 patients on computerized tomography of the chest were positive. Of the 65 patients, 35 [53.9%] had squamous cell carcinoma, 18 [27.7%] adenocarcinoma, 3 [4.6%] large cell carcinoma, and 3 [4.6%] small cell carcinoma all which was oat cell carcinoma. 83.1% of the total patient was resectable, and 34 underwent pneumonectomy and 20 lobectomy. Of these 65 operations, 29 was radical resection, 25 palliative, and 11 exploratory thoracotomy. As for clinical stagings, 23 patients were in Stage, I, another 23 in Stage II and 19 in Stage III, while 16 was in stage, I, 14 in stage ll and 35 in stage III in postoperative staging evaluation. In correlation of postoperative TNM classification and radical resection, those patients who had lung cancer of stage I [14/16] and stage II [9/13] had more radical resection. As postoperative complications, one patient had massive bleeding, two empyema, one empyema with bronchopulmonary fistula, and one cardiac herniation. Operative mortality rate was 1.5% [1 patient]. Mean duration between 1st operation and discovering recurrence in 18 patients was 12.7 months.
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