Background/Aims: Percutaneous endoscopic gastrostomy (PEG) is the most common method of enteral nutrition for patients who require long term artificial nutrition. PEG has been used as a method of nutritional support; however, improvement of nutritional support via PEG has not yet been reported. In this study, we analyzed the efficacy of nutritional support via PEG. Methods: We conducted a retrospective analysis of 196 consecutive patients who underwent PEG at Kyung Hee University Hospital in Gang Dong from 2006 to 2012. We analyzed clinical characteristics, the method of nutritional support, and the proportion of intake to establish recommendations for nutritional requirements and the duration needed to reach the level of appropriate nutrition. Results: A total of 196 patients included 130 men and 66 women, and their mean age (standard deviation) was 69.1±14.0 years. Compared with caloric and protein supplementation before PEG, 113 kcal (13.8% of baseline) and 4.8 g of protein (17.5% of baseline) could be additionally supplied with PEG (P=0.001, respectively). The number of patients who could take more than 90% of the recommended requirements of caloric and protein supplementation after PEG showed increased caloric and protein intake by 25.4% and 20.2%, respectively, in comparison with those before PEG (P=0.001 and P=0.001, respectively). The mean duration of catch-up for more than 90% of the recommended caloric and protein intake was approximately 11 days. Procedure related complications and early mortality were reported in 8.1% and 0% of patients, respectively. Conclusions: PEG is an effective and safe nutritional support method for patients who require long term artificial nutrition.
Background/Aims: Colorectal cancer (CRC) has been one of the major causes of death and has become a major public health concern. The incidence of CRC has been increasing regardless of gender in Korea. Until now, however, the studies on gender-based clinicopathological characteristics of CRC focused on pathology have never been reported. Therefore, we aimed to evaluate the difference in clinicopathological characteristics of CRC according to gender in Korea. Methods: Medical records of 342 patients with advanced CRC who underwent surgical resection at Kyung Hee University Hospital at Gangdong from June 2006 to December 2011 were retrospectively analyzed. The data of the clinicopathological characteristics of CRC by gender difference were compared. Results: Of these 341 patients, 203 (60%) patients were male and 138 (40%) patients were female. The male preponderance was noted in all age groups for total CRC and left-sided CRC. However, for right-sided colon cancer, this male preponderance was significantly decreased with increasing age groups (P=0.025) and was finally reversed in elderly groups (age ≥60 years). The microsatellite instability represented by negative staining for hMLH1 and hMSH2 was more frequently detected in women than men (P=0.037). Conclusions: The male preponderance in right-sided colon cancer decreased with increasing age groups and finally reversed in age groups more than 60 years. Microsatellite instability with immunohistochemical staining was more frequently detected in women. However, further studies with a large number of patients are warranted on this issue.
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