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After healing of burn wound, skin of scar, transplanted skin grafts, and healed donor site wound suffer from temporary or permanent loss of function of sebaceous glands and dysfunction of skin surface lipid film formation, resulting in desiccation, desquamation, and sensitiveness of the skin, making areas of newly formed skin unsatisfactory. Therefore a good rehabilitation may fail. In this paper, the composition, physiochemical properties, and reconstruction of skin surface lipid film are discussed.
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Cicatrix , Lipids , Physiology , Skin , Pathology , Skin Transplantation , Wound HealingABSTRACT
BACKGROUND: Total hip arthroplasy is an effective method to treat hip disease caused by ankylosing spondylitis. Long-term fol ow-up studies have shown that there have been hip function problems after total hip arthroplasy, and it stil lacks of perfect rehabilitation programs. OBJECTIVE: To systematical y review the influential factors for dysfunction after total hip arthroplasy in ankylosing spondylitis patients. METHODS: The first and second authors retrieved PubMed and Sciencedirect Databases, CNKI, and Wanfang digital database for relevant articles published from January 1970 to July 2015. The key words were “arthroplasty, replacement, hip, spondylitis, ankylosing, function”. Final y, relevant articles were included. RESULTS AND CONCLUSION: A total of 40 articles were summarized, including 8 Chinese articles and 32 English articles. After total hip arthroplasy, hip function problems were mainly associated with patient’s factors, disease, surgery, prosthesis, postoperative recovery and postoperative complications. Avoiding above relevant factors can improve joint function after total hip arthroplasy for ankylosing spondylitis patients, and improve patient’s quality of life.
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Objective To explore the clinical value of AFP-L3,GP73 and GGT as biomarkers in diagnosis of hepatocellular carcinoma (HCC).Methods According to the pathological diagnosis,141 patients were divided into two groups,HCC group were 74 cases,benign liver disease group were 67 cases.Use ELISA method tested the serum AFP-L3 and GP73 levels.The GGT level was detected by the automatic biochemical instrument of all the 141 patients.AFP-L3,GP73 and GGT concentration difference was compared between the two groups.ROC curve was used to determine the cut-off level to diagnose HCC.The value of single use AFP-L3,GP73,GGT and joint the three indexes to diagnose HCC were analyzed.Results The average level of AFP-L3 in the patients with HCC was (113.58±63.62) μg/L,it was significantly higher than that in the patients with benign liver diseases [(23.19±34.54) μg/L] (P ＜ 0.001).The area under the ROC curve of AFP-L3 level was 0.802.Taking AFP-L3 level ≥ 38.47 μg/L as diagnostic criteria,the sensitivity of AFP-L3 level in HCC diagnosis was 81.08 ％ and the specificity was 88.06 ％.The average level of GP73 in the patients with HCC was (126.55±49.56) μg/L,it was significantly higher than that in the patients with benign liver diseases [(56.97±26.48) μg/L] (P ＜ 0.001).The area under the ROC curve of GP73 level was 0.811.Taking GP73 level≥69.44 μg/L as diagnostic criteria,the sensitivity of GP73 level in HCC diagnosis was 75.68 ％ and the specificity was 91.04 ％.The average level of GGT in the patients with HCC was (173.20±179.18) U/L,it was significantly higher than that in the patients with benign liver diseases [(90.77±81.53) U/L] (P ＜ 0.001).The area under the ROC curve of GGT level was 0.713.Taking GGT level ≥ 110.77 U/L as diagnostic criteria,the sensitivity of GGT level in HCC diagnosis was 74.32 ％ and the specificity was 77.61％.Joint use AFP-L3,GP73 and GGT to diagnose HCC,the sensitivity was 83.78 ％,specificity was 92.53 ％.Conclusion Combined detection of tumor markers AFP-L3,GP73 and GGT can improve the positive rate of HCC,which has good clinical application value.
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BACKGROUND:Laminar flow operating room used in artificial joint replacement can improve the aseptic conditions and can effectively prevent the infections after joint replacement. OBJECTIVE:To compare the number of colonies during artificial joint replacement in laminar flow operation room and traditional operation room. METHODS:300 patients with artificial joint replacement in hundred-level laminar flow operation room and 300 patients with artificial joint replacement in traditional operation room were selected, and al the patients had no infection. Then 100 patients with artificial joint replacement were randomly selected from the hundred-level laminar flow operation room and traditional operation room respectively. The number of colonies in operation room of two groups was compared before and after replacement. RESULTS AND CONCLUSION:There was no significant difference in the number of colonies between two groups before replacement, and the settling bacteria number of the artificial hip replacement patients in the hundred-level laminar flow operation room was significantly smal er than that in the traditional operation room (P<0.05). The results indicate that compared with the traditional operation room, the hundred-level laminar flow operation room for artificial joint replacement has higher safety and can effectively prevent infections after replacement.
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Objective To investigate the different effects of different resection position of fibula on shape of tibiofibular syndesmosis,and explore the best position of cut fibula,providing reference for clinical surgeon to use fibula reasonably.Methods Ten adult male cadaverie specimens 172-176 cm long were used for 20 shank-ankle specimens.10 cm long fibula was cut proximally at the lower point 1/6,lower point 1/4,lower point 1/3,middle point 1/2 respectively,which was compared with the nornlal one to analyze the changes of shape of tibiofibular syndesmosis.Results Normally,the distance oftibiofibular syndesmosiswas(0.30±0.10)mm.Underthe condition of cut at the lower point 1/6,the distance of tibiofibular syndesmosis was enlarged[(0.54±0.20)mm](P＜0.05).In contrast,under the condition of cut 10 cm long fibula proximally at the middle point 1/2.the distance of tibioffbu1ar syndesmosis hadlittle effect[(0.31±0.20)mm](P＞0.05).Conclusion The best resection position of fibula is in the proximity of the fibula at the point 1/2.
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Objective Potassium channel is essential for excitability of neurons and is involved in the regulation of information transmission. The purpose of this study was to investigate the effect of propofol on the voltage-gated potassium channels in rat hippocampal pyramidal neurons. Methods SD rats of 5-15 days old were decapitated and brain was immediately removed. Hippocampal pyramidal neurons were freshly isolated. Whole-cell patch clamp recordings were made. Voltage-dependent sodium and calcium currents were inhibited by TTX 1?mol?L-1 and CdCl2 400 ?mol?L-1 added to the perfusate. The effects of propofol on transient outward potassium currents and delayed rectifier potassium currents were studied and also the kinetics of channels. Results All the channels studied were reversibly inhibited by propofol in a dose-dependent manner. EC50 of propofol on transient outward potassium channels and delayed rectifier potassium channels were (71?18) ?mol?L-1 and (37?18) ?mol?L-1 respectively. The maximum inhibition rates were 52%?3% and 32%?5% .Conclusion Propofol reversibly inhibits potassium currents in a does-dependent manner. It is inferred that propofol affects the excitability of hippocampal neurons.