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Influencing factors on postoperative hospital stay after laparoscopic cholecystectomy
Jae Uk Chong,Jin Ho Lee,Young Chul Yoon,Kuk Hwan Kwon,Jai Young Cho,Say-Jun Kim,Jae Keun Kim,Sung Hoon Kim,Sae Byeol Choi,Kyung Sik Kim 한국간담췌외과학회 2016 한국간담췌외과학회지 Vol.20 No.1
Backgrounds/Aims: Laparoscopic cholecystectomy can reduce postoperative pain and recovery time. However, some patients experience prolonged postoperative hospital stay. We aimed to identify factors influencing the postoperative hospital stay after laparoscopic cholecystectomy. Methods: Patients (n=336) undergoing laparoscopic cholecystectomy for gallbladder pathology at 8 hospitals were enrolled and divided into 2 groups: 2 or less and more than 2 days postoperative stay. Perioperative factors and patient factors were retrospectively analyzed. Results: The patient population median age was 52 years, and consisted of 32 emergency and 304 elective operations. A univariate analysis of perioperative factors revealed significant differences in operation time (p<0.001), perioperative transfusion (p=0.006), emergency operation (p<0.001), acute inflammation (p<0.001), and surgical site infection (p=0.041). A univariate analysis of patient factors revealed significant differences in age (p<0.001), gender (p=0.036), diabetes mellitus (p=0.011), preoperative albumin level (p=0.024), smoking (p=0.010), and American Society of Anesthesiologists score (p=0.003). In a multivariate analysis, operation time (p<0.001), emergency operation (p<0.001), age (p=0.014), and smoking (p=0.022) were identified as independent factors influencing length of postoperative hospital stay. Conclusions: Operation time, emergency operation, patient age, and smoking influenced the postoperative hospital stay and should be the focus of efforts to reduce hospital stay after laparoscopic cholecystectomy.
김세화,박준호 용인대학교 자연과학연구소 2004 自然科學硏究所論文誌 Vol.9 No.1
A total of 16 taxa of zooplankton (6 cladoceran spp., 2 copepod spp., 6 rotifer spp., 1 nematod sp. and 1 aquatic insect larvae) occurred during the survey of the ecosystem in Han River estuary in the summer 2004. Zooplankton abundances showed to be high before the rainy season in late June with more than 10,000 indiv./m³ at stations in front of Ilsan new city and Kayang bridge. Just after the rainy season in late July, zooplankton abundance never exceed 4,000 indiv./m³ possibly due to the zooplankton fauna being swept out to the Yellow Sea by heavy rainfall. Kelatella cochlearis dominated in front of Ilsan new city, Kayang bridge and Yeouido pear with more than 30% of total zooplankton abundance in late June. K. cochlearis and Phlilodina roseola dominated in late July. In tutle ship pear and Barn island, Colurella sp. and Polyarthra priodonta also dominate with 30% of abundance. No abundant population of crustacean zooplankton was observed. High values of species diversity index were observed in Kayang bridge and Yeouido pear with 2.0 and 1.8 in late June. No such high values occurred in late July. Species richness indices showed no tendency with station and rainfall effect.