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Analysis on Influencing Factors of Survival Rate of Replantation of Severed Cut-fingers with Logistic Regression

Author: HeYuSheng
Tutor: ShiWuXiang；WengYuXiong
School: Dali University
Course: Epidemiology and Biostatistics,
Keywords: Of digital replantation Survival rate Multivariate analysis
CLC: R658.1
Type: Master's thesis
Year: 2010
Downloads: 27
Quote: 0
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Abstract


Purpose of influencing factors of the survival rate of replantation of severed finger. Control the patient's gender, age, other hand, refers to other transection plane, whether completely amputated and refers to the body to save other confounding factors, explore a finger injury, refers to the ratio of the arteriovenous anastomosis, severed fingers warm ischemia time as well as the level of surgery microscopy impact on the survival rate of replantation of severed finger. Method 1 using cluster sampling method, Affiliated Union Hospital, Tongji Medical College, Huazhong University of Science and Technology collection of hand surgery and medical record department from December 2005 to December 2008 did of digital replantation surgery inpatients. 2 using a logistic regression model to explore the patient's gender, age, transection plane, a finger injury reasons, refers to moving the venous anastomosis than finger warm ischemia time and surgical microscopy level factors and the survival rate of replantation of severed finger relationship. Results A total of 612 patients of 692 severed fingers, after digital replantation survived 616 refers, and necrosis 76 refers to a survival rate of 89% necrosis rate of 11%. 2 in age control other hand, refers to other transection plane, away off the extent and refers save way affect the survival rate of digital replantation factors influencing factors: 2.1 cut away after replantation of severed finger off injury survived. rate is torn from the off injuries after digital replantation survival rate of 36.14 times; mild squeeze from off the injured finger replantation survival rate is torn from the off injured after digital replantation survival rate of 15.31 times. 2.2 finger warm ischemia time less than or equal to 12 hours after digital replantation survival rate is severed fingers warm ischemia time greater than 12 hours after digital replantation survival rate of 819.37 times 2.3 represents the arteriovenous anastomosis ratio To the 1:0 after digital replantation survival rate is a the arteriovenous anastomosis ratio 2:4 after digital replantation survival rate of 0.0004-fold (P value is 0 lt; 0.05); refers arteriovenous anastomosis ratio of 1:1 after digital replantation survival rate is the the arteriovenous anastomosis ratio 2:4 replantation of amputated fingers postoperative survival rate of 0.0016 (P value is 0 lt; 0.05); refers arteriovenous anastomosis ratio of 1:2 of digital replantation postoperative survival rate refers to the ratio of arteriovenous anastomosis 2:4 finger replantation survival rate was not statistically significant (P value 0.45 gt; 0.05); in this research, because fingerwheel venous anastomosis than 2:1 and 2:2 finger replantation complete necrosis, postoperative survival rate refers arteriovenous anastomosis ratio of 2:4 of digital replantation are not comparable. 2.4 total resident surgeon after digital replantation survival rate is low years of residency after digital replantation survival rate of 18.47 times. Conclusion. Finger injury cause of digital replantation postoperative survival rate highly correlated. 2. Finger warm ischemia time after digital replantation survival rate is inversely proportional. 3 refers to the arteriovenous anastomosis than after digital replantation survival rate curvilinear correlation. Surgery micromanipulation level of digital replantation postoperative survival rate is proportional to.

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CLC: > Medicine, health > Surgery > Of surgery > Limbs outside the science > Amputation, replantation of severed finger surgery
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