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Purpose: Acute abdominal pain accounts for 7-10% of all emergency department visits. The purpose of this study is to investigate the epidemiology and outcome of acute flank pain at regional emergency medical centers (EMC) and to investigate the necessity of urologists. Materials and Methods:We retrospectively reviewed all records of EMC visits for flank pain between 1 July 2015 and 30 June 2017. The renal colic was defined according to the code allocation of the Korean standard classification of disease-6 code N132, N200-N203, and N210-N211. The results of this study were retrospectively analyzed and the characteristics of the patients. Results: The total number of visits to the EMC was 67,792, and the number of visits for acute abdominal pain was 9,641. The number of visits for acute flank pain was 1,133 and the number of patients was 1,018. The departments included emergency medicine (n=235), urology (n=711), internal medicine (n=132), general surgery (n=19), gynecology (n=10), and others (n=26). The causes of urological flank pain were urolithiasis in 628 cases, infection in 41 cases, and other diseases in 42 cases. Among these, 244 cases were admitted, and 193 cases of them were urolithiasis patients, and 171 patients underwent stone removal surgery. Conclusions: According to our study, patients with flank pain accounted for 11.8% of patients with abdominal pain. However, considering hospitalization and frequency of surgery, it is necessary to take the national measurement for the long-term supply of urology. -63-859-1335, Fax: +82-63-842-7379 E-mail: mygentlelove@gmail.com Original Article Keywords: Renal colic; Epidemiology; Hospital emergency service INTRODUCTIONAcute abdominal pain, traditionally defined as a pain of non-traumatic origin with a maximum duration of 5 days [1], is one of the most common symptoms that causes people to visit the emergency center, making up approximately 7-10% of all emergency department (ED) visits [2]. Despite the relatively high incidence, abdominal pain may be a symptom of serious underlying diseases, and the challenging differential diagnosis may lead to medical litigation or undesirable outcomes [3,4].Despite substantial improvements in the diagnostic approach to acute abdominal pain, many diagnostic pitfalls remain due to the extensive use of imaging techniques (especially computed tomography [CT]), which can be associated with a substantial number of misdiagnoses and/or avoidable surgery [5,6]. Acute flank pain is the most common clinical symptom of urinary tract stones and is a common [7]. Furthermore, the lifetime recurrence rate has been estimated to be as high as 50% within 10 years of the initial urolithiasis episode [8]. Several previous studies have shown a worldwide trend toward an increasing prevalence of urolithiasis [9]. Proper assessment by the emergency physician is essential for the management of these patients, since the underlying cause of acute abdominal pain can involve a variety of medical specialties, including gynecology, general surgery, in...

(J Korean Assoc Oral Maxillofac Surg 2011;37:386-95) Ⅰ. 서 론 Yangsan, Introduction: Osteoporosis is a major health problem in the elderly that involves changes in the properties of bone as well as impaired bone healing around a titanium implant in both humans and animals. This study examined effect of low intensity pulsed ultrasound (LIPUS) on the bone healing process around a titanium implant in osteoporosis-induced rats. Materials and Methods:Sixteen rats were divided into two groups. A control group with osteoporosis induced by removing both ovaries and an experimental group of rats that were applied with LIPUS after osteoporosis had been induced. A screw type titanium implant (diameter, 2.0 mm: length, 3.5 mm, Cowell-Medi, KOREA) was placed into the tibias of 16 rats. The control and experimental group contained 8 rats each. The rats were sacrificed at 1, 2, 4, and 8 weeks after implantation to examine the histopathology and immunochemistry. Results:The histopathology examination revealed earlier new bone formation in the experimental group than the control group. In particular, at 1 week after implantation, more new bone matrix and collagen were observed around the implant of the experimental group compared to the control group. Immunochemistry analysis showed that the level of OPG expression of the experimental group was higher in the early stages than in the control group. After 8 weeks, the levels of OPG expression were similar in both groups. The expression level of receptor activator of nuclear factor kB ligand (RANKL) was stronger in the experimental group than the control group. After 4 weeks, the level of RANKL expression was similar in both groups. Conclusion:These results suggest that the application of LIPUS to implantation can promote bone healing around titanium in osteoporosis animals.

This study was conducted to investigate food needs for dining out in the context of rural healing tourism by surveying food preference characteristics. A total of 600 adults in an urban area completed an online questionnaire on food characteristics for rural healing tourism. Regarding the purpose of rural healing tourism, 61.2% of respondents answered 'relaxation' while 6.3% answered 'promotion of health'. Exactly 66.3% of respondents selected Korean foods (rice) as the preferable food type for dining out in the context of rural healing tourism. Respondents considered 'regionality' and 'ingredient' as more important among food quality characteristics, whereas 'professionality' was less important. Females perceived 'nutrition' and 'cooking' as more important than males. Among food characteristics of professionality, regionality, and traditionality, respondents most preferred 'using regional specialty food'. Preference for 'using traditional food' significantly increased with subject's age. Respondents rated 'balanced nutrition' most highly among food characteristics of health and nutrition. 'Seasonal food' was the most preferred food characteristic among cooking and ingredients. Females showed higher interest in nutrition, cooking, and ingredients and higher preferences related to food characteristics of nutrition, cooking, and ingredients than males. In conclusion, Korean foods (rice) or Korean full course menu items using local specialty foods or seasonal foods with balanced nutrition are needed for dining out in the context of rural healing tourism.

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